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The findings showed that innovation is adopted by each chain relative to their business capabilities and the driver for innovation is to comply with the brand-owner manufacturer standards. The success of the business innovation in the supply chain mostly is a top-down approach and is related to the commitment of business owners or top managers. Ionic Liquid-based Mediated Lipid Extraction from Microalgae Botryococcus braunii Heli Siti Halimatul Munawaroh aHanny Fitriani aGun Gun Gumilar aSiti Aisyah aAhmad Mudzakir aAsep Bayu Dani Nandiyanto aAsri Peni b.

a Program Studi Kimia, FPMIPA Universitas Pendidikan Indonesia Jl. Setiabudhi No. 229, Bandung 40154, Jawa Barat-Indonesia heli at upi. edu b Departemen Biologi, Universitas Padjadjaran Jl. This study aims to determine the effectiveness of using ionic liquid cis-oleyl imidazolinium acetate IL on total lipids recovery and fatty acids composition of microalgae Botryococcus braunii extracted by organic solvents alone or in combination with IL by Gas Chromatography-Mass Spectrometry.

Raya Bandung-Sumedang, Hegarmanah, Jatinangor, Sumedang 45363, Jawa Barat-Indonesia. Percentage lipid extract from each 0. 5g of dry biomass for each solvent is 52. 05 using methanol, and 17. The total lipids extracted using methanol, and methanol chloroform 1 2 was compared with the lipid extracted by IL in combination with methanol, and methanol chloroform 1 2 as co-solvent.

59 using methanol chloroform 1 2. In addition, the IL-based extraction recovered a 73. 40 using methanol and methanol chloroform 1 2 as co-solvent, respectively. GC-MS analysis showed that the combination of IL with methanol as co-solvent recovered more diverse fatty acid compared to the combination of IL with methanol chloroform 1 2and organic solvent-based alone. All in all, the existence of IL with proper co-solvent assisted the total lipid recovery and fatty acids in Botryococcus braunii and might be for other high lipid content microalgae.

Mechanism of Community Participation as a Model of Sustainable Tourism Area Development Case Study In Manado Coastal Area Dr. Eng aJeffrey Andre Delarue, ST. a Jurusan Pendidikan Teknik Bangunan Prodi Arsitektur Fakultas Teknik Universitas Negeri Manado ferolwarouw at yahoo. com b Jurusan Pendidikan Teknik Bangunan Fakultas Teknik Universitas Negeri Manado. Manado city with ideal coastal tourism potential and located in the center of the worlds coral triangle.

Currently Manado is developing sustainable coastal tourism development policy. Sustainable tourism must be able to adapt to the condition of society without ignoring the environment. The extent to which the process of development of sustainable development is determined by the role of community participation involved in the development of tourism. This study attempts to identify the level of community participation involved in tourism development in the coastal area of Manado Bay to be a model of sustainable regional development.

The findings of the community participation level will be translated into a development model as a new mechanism in a sustainable development approach. The level of community participation in tourism development in Manado City is measured in the form of quantitative research in the form of iq option imposto de renda to community based on the level of community participation developed by Sheery Arnstein with purposive sampling technique. The level of participation developed by Sheery Arnstein successively from the low level of high Manipulation, Therapy, Informing, Consultation, Placation, Partnership, Delegaten Power, Citizen Control.

The results revealed that the level of community participation in tourism development in the Malalayang coast of Manado Bay was at the consultation level. The level of consultation shows that the government invites public opinion after being informed to the public and there has been a two-way dialogue between the government and the community.

The community has provided input and active discussion through the two way dialogue. Although there has been a two-way dialogue, but this way the success rate is low because there is no guarantee that community concerns and ideas will be noticed. The findings of the level of participation were then developed into a model of sustainable tourism area development mechanism. Community Participation For Sustainable Tourism Model In Manado Coastal Area Felly Ferol Warouw aProf.

Alamsyah MS bDr. Hutomo, APU c. com b Fakultas Teknik Universitas Indonesia c Penelti Indonesian Seagrass Foundation. Manado city with coastal tourism potential which is at the center of the worlds coral triangle are in the process of development of tourism -based development. The development process is determined by the role and participation of the people residing the area of development.

a Fakultas Teknik Universitas Negeri Manado ferolwarouw at yahoo. The measured level of community participation in the form of quantitative research in the form of a questionnaire to find the level of community participation based on a review theory Sheery Arnstein through purposive sampling approach. Fatherly support the research process is then performed in order to reveal the extent of community participation in Manado tourism development especially in the area of the Gulf coast of Manado.

The level of participation is a row of low level ketinggi namely ManipulationTherapyinformingConsultationplacationpartnershipDelegaten PowerCitizen Control. The study found that the level of community participation in tourism development in coastal Manado bay is at the level of consultation. The level of consultation indicate that the government invited public opinion after the given information to the public and there has been a two-way dialogue between government and society.

Felly Ferol Warouw, SH. Although there has been a two-way dialoguebut this way the success rate is low because there is no guarantee that the concerns and ideas of the community will be considered. Community has provided input and active discussion by way of the two-way dialogue. That requires the practical implications for development programs that could support the increasing degree of participation so that community participation will continue to survive even increased.

Conclusions program that needs to be done based on feedback from the community is needed the program is to involve the public directly to tourism development in accordance with the characteristics and potential of the community itself. Application of Fuzzy FMEA for Minimizing Rework on Crumb Rubber Khalida Syahputri, Rahmi M.

Sari, Indah Rizkya T, Anizar, Mangara Tambunan, Jelly Leviza. Department of Industrial Engineering, Faculty of Engineering, Universitas Sumatera Utara. The quality of crumb rubber product is a major factor in consumer preference. In crumb rubber process production, lots of products need to rework because it does not match with specified specifications. The types of rework product based on SIR that cause of defects such as hard, soft and dirt. The quality of crumb rubber has several grades according to Indonesian Rubber Standard SIR.

However, the reworked products will produce crumb rubber with lower grade quality. This certainly affects the selling price of the crumb rubber. Also rework will incur additional production costs. This problem must be addressed immediately. Efforts that can be used to minimize the number of rework is to identify the factors that cause failure and determine the priority level of the risk of failure in the production process crumb rubber.

It can be used is by using Fuzzy FMEA method. This method aims to get the risk of failure and the level of risk of failure during the crumb rubber production process. With Fuzzy FMEA method also obtained the highest RPN value is equal to 489 for the risk of failure of engine dryer temperature is too high. Through iq option imposto de renda highest priority level of failure RPNcompany can determine the steps to make improvements during the production process to improve the quality of crumb rubber products.

An Expert System for Diagnosing Eye Diseases using Forward Chaining Method Cindy Pamela Cornelia Munaiseche, Daniel Riano Kaparang, Parabelem Tinno Dolf Rompas. Engineering Faculty, Manado State University. Expert System is a system that is trying to adopt human knowledge into a computer, so that the computer can resolve the issue as was done by experts. The purpose of this study to design an application of expert system for diagnosing eye diseases using forward chaining method as one of inference technique.

The eye organ chosen because it is the one of five senses that are essential for vision and very sensitive in human life, and many cases of eye diseases that cause blindness due to delayed handled. Expert system software application built to recognize the type of eye disease after consultation by answering a few questions displayed by the system, and can infer the type of eye diseases suffered by the patient.

The expert system application design consists of seven stages preliminary studies, data collection, data analysis, system design, system implementation, and the last, drawing conclusions. In addition, an application created to provide solutions or actions that can be performed by patients in relation to eye disease he suffered. OPTIMIZATION OF SAVING PRODUCTION COST IN PLASTIC JUTE SACKS WITH DYNAMIC PROGRAMMING Rahmi M Sari1 Khalida Syahputri2 Indah Rizkya3 Anizar4 Elisabeth Ginting5.

UNIVERSITAS SUMATERA UTARA. The plastic jute sack is one of the most popular rice packaging products in the market. The LDPE sacks used for rice packaging often experience fluctuations in market demand. One type of plastic jute sack used is LDPE type. It can be seen from the frequent companies overproduction and out of stock in each period. Certainly this overproduction problem has an impact on the increase in production costs.

While out of stock of course resulted in lost sales experienced will adversely affect the company, especially from the cost of production. Based on the problems, the company must immediately perform an optimal production planning to overcome various problems in the company. Fluctuating demand is certainly a problem for companies in determining the amount of production that can meet the demand.

One method for saving the optimal cost of production that can be used is dynamic programming. This method aims to obtain the optimal amount of production in accordance with market demand. With dynamic programming method, the company will obtain optimum production amount with minimum production cost and also considering the total capacity of the company available. From the dynamic programming results obtained optimal production amount with cost savings of 2.

PRIORITY DETERMINATION OF UNDERWATER TOURISM SITES DEVELOPMENT IN GORONTALO PROVINCE USING ANALYTICAL HIERARCHY PROCESS Manda Rohandi, Mohammad Yusuf Tuloli, R. Thohir Yassin. Universitas Negeri Gorontalo. The potential of underwater tourism in Gorontalo province is very abundant, because it is located between the sea of Celebes and the gulf of Tomini. This potential assets are not well managed due to the limited budget allocation. The determination of underwater tourism site priority is needed to determine the development priority due to the lack of funds.

Decision support system DSS is used to help the government to determine the best priority of underwater tourism site development. This research aim to determine the priority of underwater tourism site development in Gorontalo province using the Analytical Hierarchy Process AHP which is one of DSS method that apply Multi-Attribute Decision Making MADM.

This method use 5 criteria and 28 alternatives to determine the best priority of underwater tourism site development in Gorontalo province. The calculation of AHP obtained that the best priority of underwater site for development is pulau cinta. This DSS is only helps the decision maker or the government to determine the best underwater site for development, although the final decision is in decision maker policy.

Application of productivity index with Craig Harris Method on Tea Products Indah Rizkya1, Khalida Syahputri2, Rahmi M Sari3, Anizar4, Ikhsan Siregar5. Universitas Sumatera Utara Jalan Almamater Kampus USU, Padang Bulan Medan 20155, Indonesia email indahrizkya at usu. Tea is one of the plantation commodities that contribute greatly to the countrys foreign exchange and also absorbs lots of manpower.

In the past few years, the demand for tea in the world market has increased. The demand for tea products on the world market should be directly proportional to demand in tea plantations. But this does not apply to tea plantations in North Sumatera. Based on preliminary data, found that profit tea plantations in 2015 and 2016 experienced a decline in 7.

Declining in profit is closely related to the productivity of the plantation. Craig Harris method is used to calculate the productivity of various variables that affect the production process such as labor, materials, capital and others. The calculation of productivity is important to be done so that company can conduct further analysis of the factors that affect productivity.

With craig harris method, the partial productivity index decreased for labor and materials by 10. 4while the total productivity index was 1. From the calculation of partial productivity index and total productivity index then analyzed the results, that the company is expected to make efforts to increase productivity. Muis2, Ika Puji Hastuty3 dan M.

Imam Ma arif Siregar4. Estimation of Compaction Parameters Based on Soil Classifications Adina Sari Lubis1, Zulkarnain A. Civil Engineering Department, Faculty of Engineering, University of Sumatera Utara. Factors that must be considered in compaction of the soil works were the type of soil material, field control, maintenance and availability of funds. Those problems then raised the idea of how to estimate the density of the soil with a proper implementation system, fast, and economical.

This study aims to estimate the compaction parameter such as the maximum dry unit weight γdmax and optimum water content Wopt based on soil classification. Each of thirty samples were being tested for its properties index, and a Compaction Test was done to obtain the magnitude of the compaction parameter. From the research result, the soil types were A4, A-6 and A-7 according to AASHTO and SC, SC-SM and CL based on USCS. By linear regression, the equation for estimation of the maximum dry unit weight γdmax 1,862-0,005 FINES-0,003 LL and estimation of the optimum water content wopt -0,607 0,362 FINES 0,161 LL.

By Goswami Model there was an equation Y m Log G k, estimation of the maximum dry unit weight γdmax with m -0,376 and k 2,482, estimation of the optimum water content wopt with m 21,265 and k -32,421. For both of these equations a 95 confidence interval was obtained. ANALYSIS OF GREEN BUILDING IMPLEMENTATION IN SCHOOLING IN MANAHASA TOWARDS STUDENT S GREEN BEHAVIOR Debbie A. Prodi ARSITEKTUR Fakultas TEKNIK UNIVERSITAS NEGERI MANADO. This research is intended for 1 to find out the green building implementation in schooling in Minahasa; 2 to analysis the relationship between implementation of green building concept in school with student s green behavior.

We re Expecting the result of our research become the minimum standard of greed building implementation that develop student s green behavior. The analysis unit is taken purposively, that is school that had been implemented the green building concept, Lokon High School at Tomohon, Manado Independent School MIS at North Minahasa, Manado s 3rd Public High School and Bitung s Public Vocational High School.

Research location is North Sulawesi. Data Gathering is acquired by observation and questioner. The Assessment Criteria of green building on Analysis Unit, is taken from Greenship Existing Building ver 1. The frequency distribution table and chi-square statistic analysis is used to find out the variable relationship. There are 4 main points that being assessed, which are 1 Energy Conservation and Efficiency; 2 Water Conservation; 3 Indoor Health and Comfort;4 Waste Managerial. The result of the research shows that there is a significant relation between green building implementation in school and student s Green behavior.

The result is accordance with the Gesalts Psychologist theories, Max Wetheimer, Wolfgang Kohler and Kurt Koffka states that architecture can change the user s behavior. The Impacts of Pozzolanic binder addition on stabilization of polluted dredged sediments Ernesto Silitonga. Universitas Negeri Medan. The management of dredged sediments has become more complicated, due to traditional solutions such as immersion are not an option anymore. In the other hand, to maintain harbor activities, large volumes of sediments are dredged each year.

Disposal of large sediment from dredging activities is increasingly intractable problem. The primary goal of this study is to find a field application where the dredged sediment can be reutilized as a new material. The reutilization of waste materials such as dredged sediment in road construction is one of the main applications. This research is Survey Research with quantitative descriptive method. The secondary objective of this research is to identify the behavioral aspect of dredged sediment stabilized with fly ash as a binder for a use in road pavement work.

The addition of fly ash as a partial cement replacement is realized due to its engineering, economic and ecological benefits. The first stage contains a determination of the physical and mechanical characteristics of the fly ash and the dredged sediments. Finally, the mechanical characteristics of the mix with fly ash addition are compared with the mix with conventional used binders cement.

The formulation mixtures are then optimized for an economical reuse. The results indicate the effectiveness of fly ash in the mixes. In terms of environmental impacts, on the basis of leaching tests, the designed dredged mixes satisfy the prescribed thresholds. TRAINER KIT QUALITY CONTROL DEVELOPMENT IN LEARNING WIRING HARNESS MOTORCYCLE Dede Saryono, Kamin Sumadi, Asep Setiadi H. Implementation of SMK in Indonesia shows the weaknesses that the greatest unemployment the lack of alignment between the school and industry, and there is no guarantee to get a decent job.

The learning of motorcycles in SMK requires practice in accordance with industry condition, but in practice the quality control tool to check the assembly of motorcycle electrical cable in accordance with the industrial condition is not yet available and expensive. The development of quality control trainer kits in the learning of electric motorcycle that suits strandar industry is a solution in providing equipment practice in schools. In the next stage, the dredged sediment from harbor of Cherbourg has been considered using 2 different types of fly ash and different percentage of fly ash.

The purpose of this research is to design and assemble trainer kit of quality control as supporting device of learning of motorcycle electrical system. The method of study using the development method, the measured variable is the relevance between the trainer kit with the learning syllabus and the effectiveness of the trainer kit on the understanding of the basic theory of the motorcycle electrical system.

ANALYSIS OF ZINC ANODE CHARACTERISTICS FROM RESULT RECYCLED PRODUCTION OF ZINC ANODE MATERIAL Barokah 1, D Dj Kaligis1, J Huwae1M Z Fanani1 and P T D Rompas2. Politeknik Kelautan dan Perikanan Bitung, Bitung, Indonesia 2. Universitas Negeri Manado, Tondano, Indonesia. This paper researching the utilization of anode zinc waste from ships through the recycling process. The objective is to obtain the values of electrochemical potential and electrochemical efficiency.

Physical tests conducted in metallurgical laboratory include chemical composition, electrochemical potential value Vand electrochemical efficiency value Ah kg. The analysis used DNV-RP-B401 cathode protection design DNV Det Norske Veritas standard. The melting process takes 30 minutes and the melting temperature is 609 o C. The results showed that the composition of Zn 99. 300 wtAluminium 0. 333 wtCadmium 0. 029 wtCopper 0. 021 wtPlumbum 0. The values of electrochemical potential and electrochemical efficiency were -1.

073 V and 842 Ah kg respectively. They can be concluded that the normal meaning of recycled zinc anode can be used as cathode protection on ships. The results of this research can assist in the management of used zinc anode waste, the supply of zinc anodes for consumers at relatively low prices, and recommends that used zinc anodes be used for the prevention of corrosion on ships.

Design Control Systems of Human Machine Interface in the NTVS-2894 Seat Grinder Machine to Increase Productivity, to Decrease Trouble and Downtime of the Machine Syahril Ardi, Damar Ardyansyah. Politeknik Manufaktur Astra. In the Manufacturing of automotive spare parts, increased sales of vehicles is resulted in increased demand for production of engine valve of the customer.

To meet customer demand, we carry out improvement and overhaul of the machine or seat grinder NTVS-2894 for the seat grinder on a machining line. NTVS-2894 seat grinder machine has been decreased machine productivity, the amount of trouble and the amount of downtime. Because of the time prior to the overhaul, NTVS-2894 seat grinder machine does not have a backup HMI Human Machine Interface program. The goal of the design and manufacture in this program is to improve the achievement of production, and allows an operator to operate beside it easier to troubleshoot the NTVS- 2894 seat grinder machine thereby reducing downtime on the NTVS-2894 seat grinder machine.

The result after the design, HMI program successfully made it back, machine productivity increased by 34. 8the amount of trouble and downtime decreased 40 decrease from 3,160 minutes to 1,700 minutes. IMPLEMENTATION OF WEB SERVICES TECHNOLOGY WITH REST PROTOCOL FOR PRESENTATION OF MINING POTENTIAL INFORMATION Tajuddin Abdillah, Edi Setiawan, Roviana H Dai.

The process of presenting information on areas with mine potential in Gorontalo Province has several problems 1 the presentation of information is still done manually; 2 the difficulty of policy makers in identifying and analyzing mining potentials due to the absence of accurate and up to date information, consequently other government agencies that need such information have difficulty obtaining it. To overcome these problems on overhaul the NTVS-2984 seat grinder machine include mechanical and programs, is to do the design and manufacture of HMI Human Machine Interface GP-4501T program.

This research uses research and development method with ADDIE Analysis, Design, Development, Implementation, Evaluation model. The results showed that the built system could perform data exchange process and present the mine potential information using software with different platforms that help other government agencies in obtaining information as needed.

This study aims to implement web services technology using REST protocol to present information on mining potential in Gorontalo Province. NEW MODEL OF INFORMATION TECHNOLOGY GOVERNANCE IN THE GOVERNMENT OF GORONTALO CITY USING FRAMEWORK COBIT 4. Aziz Bouty, Moh. Hidayat Koniyo, Dian Novian. This will lead to poor data management process so that there can be loss, destruction, theft and tapping of important data.

Information technology Management by the government of Gorontalo city still has limited resources and lack of standard document of information technology management. In this study using case study method, by conducting surveys and data collection on the object of research that is on 5 five agencies contained in the government of Gorontalo city. In this research will also be controlled to the information technology process that runs in Government of Gorontalo city.

This study aims to determine the level of maturity of information technology governance at the government of Gorontalo City by applying the COBIT framework standard. The main target is the creation of information technology model that can be used by the Governance of Gorontalo city as a reference in planning and managing information technology.

To achieve these targets the steps to be taken are 1 survey and data collection, 2 compilation of information technology framework, 3 measurement of information technology governance, 4 analysis of information technology governance. Validation of A Numerical Program for Analyzing Potential Kinetic Energy in the Bangka Strait, North Sulawesi, Indonesia P T D RompasH Taunaumang, and F J Sangari. Universitas Negeri Manado. The paper presents validation of the numerical program that compute the distribution of marine current velocities in the Bangka strait.

The numerical program used the RANS model where the pressure distribution in the vertical assumed to be hydrostatic. It found no different significant between the numerical results and the measurement results. The 2D and 3D numerical program results compared with the measurement results which are observation results to the moment conditions of low and high tide currents. The results will be use in analyzing potential kinetic energy at actually conditions in the Bangka strait North Sulawesi, Indonesia.

; Andrian, Defa. Institut Sains Teknologi AKPRIND. Effect of Pertilite-Spiritus Blend Fuel on Performance of Single Cylinder Spark Ignition Engine Wibowo, Hary; Susastriawan, A. In this work, effect of Spiritus addition on Pertalite on engine s performance brake horse power and torque, specific fuel consumption, and exhaust gas emission is experimentally investigated.

The tests are conducted at 3000-7000 rpm for four different fuels, i. e; pertalite, 95 P-5 S, 90 P-10 S, and 85 P-15 S. The blend ratios of Pertalite P and Spirtus S are measured by volume. The result show that The addition of 15 Spiritus by volume on Pertalilte can enhance the blend combustion hence improve engine s brake horse power and decrease specific fuel consumption rate.

Implementation of ANP-DNumber Method in Determining Supplier to Improve Service towards Supermarket Consumers A. However, engine s torque is lower when using the blend 85 P-15 S if compared with using Pertalite. Novian, M R A Kaluku. Performance assessment on the supplier by the supermarket manager is relatively difficult to conduct and implies subjectivity, because there is no measureable and objective performance indicator.

This study aims to assist in the decision making process and to look for alternative solutions in assessing the performance of each supplier, so that the service towards the customers will improve as well. ANP method is used to find the weight of each sub-criteria that will be used to measure the supplier performance. The weight result of each sub-criteria derived from the ANP method is used again in measuring the performance and to rank the performance of each supplier by using DNumber method that generates the highest value of the supplier is 0.

The result of this study shows that the ANP and DNumber methods can be used to measure the supplier performance therefore it can assist the selection of supplier which can increase service towards the mart s consumers. Design of Integrated Database on Mobile Device Information System Nurnawati, Erna Kumalasari; Ermawati. An integration database is a database which acts as the data store for multiple applications, and thus integrates data across these applications in contrast to an Application Database.

An integration database needs a schema that takes all its client applications into account Fowler. The benefit of this is that sharing data between applications does not require an extra layer of integration services on the applications. Any changes to data made in a single application are made available to all applications at the time of database commit - thus keeping the applications data use better synchronized. This study aims to design and build an integrated database that can iq option imposto de renda used by various applications in mobile device based system platforms with the based of smart city system.

The design and development of the database is emphasized on the flexibility, security and completeness of attributes that can be used together by various applications to be built. The method used in this study is to review the literature review and compare with the needs of database systems to be built. 71666 while the lowest value is 0. The built-in database can be used by various applications, whether used together or separately. Test the resulting design with some prototype apps and analyze system performance with test data.

The results of this study are expected to be an integrated database design that can be used by various similar applications in the mobile device system platform. a Civil Engineering Department Universitas Sumatera Utara rachmie_caroline at yahoo. Optimization of Coconut Fiber Utilization to Concrete Mixture Rahmi Karolina aNora Usrina b. id b Civil Engineering Department Universitas Sumatera Utara. Waste material or waste is often used as a material that can be used for specific purposes iq option imposto de renda as field engineering structure materials, waste has been widely studied for later utilized.

One of the waste material that has not been much studied as a concrete building material is coconut fiber ash. In this study, coconut fiber ash as a cement substitute in concrete mixtures. The purpose of this study was to determine the extent of the effect iq option imposto de renda replacement of cement with coconut fibers ash to setting time, slump test value, concrete compressive strength quality and concrete split tensile strength. The replacement composition of cement with coconut fiber ash are 01,534,567,5910,51213,5 and 15 of the concrete volume.

From the concrete compressive strength testing on samples with different variations of coconut fiber ash we can conclude that the material is only effective used in substitution variation of 1,5 and 3 of coconut fiber ash with final compressive strength value are 23,32 MPa and 22,50 MPa. Simulation and Failure Analysis of Car Bumper Made of Pineapple Leaf Fiber Reinforced Composite Arbintarso, Ellyawan Setyo; Muslim; Rusianto, Toto.

The bumper car made of the Natural Fiber Reinforced Composite NFRC is possible to be produced with the advantage of easy to get, and cheap. The planned quality of concrete is 20 MPa and the duration of immersion are 28 days. Pineapple leaf fiber has chosen as a natural fiber, which the maximum of the strength of 368 MPa. Simulations and failure analysis have been conducted and showed an increased impact speed in line with increased displacement, strain, and stress that occur on the surface of the bumper.

The bumper can withstand collisions at a rate of less than 70 km h. Evaluation of Work Posture and Quantification of fatigue by Rapid Entire Body Assessment REBA Indah Rizkya1, Khalida Syahputri2, Rahmi M Sari3, Anizar4, Ikhsan Siregar5. Work related musculoskeletal disorders MSDspoor body postures, and low back injuries are the most common problems occurring in many industries including small-medium scaled industry. This study presents assessment and evaluation of ergonomic postures of material handling worker.

Evaluation of work posture was carried out using REBA Rapid Entire Body Assessment. REBA is a technique to quantize the fatigue experienced by the worker while manually lifting loads. Fatigue due to abnormal work posture leads to complaints of labor-perceived pain. REBA methods were used to assessment of working postures for the existing process by a procedural analysis of body postures involved. This study shows that parts of body have a high risk of work are the back, neck, and upper arms with REBA score 9, so action should be taken as soon as possible.

Controlling actions were implemented to those process with high risk then substantial risk reduction was achieved. Optimization of Rambutan Seed Nephelium Lappaceum L. as Food Raw Material and Processed Nutritious and Valueable Meda Wahini 1 Mauren Gita Miranti 2 Febriani Lukitasari 3. Universitas Negeri Surabaya 1 medawahini at unesa. id 2 maurenmiranti at unesa. id 3 febrianilukitasari16070895005 at mhs.

Rambutan Nephelium Lappaceum L. is a plant that identical with Southeast Asian countries, in some areas of Indonesia no exception. Rambutan is consumed by people in the form of pulp, while the seed is discarded. Therefore, it needs to be optimized into raw materials of food and processed with high nutritional value and has economic value.

The purpose of this research were 1 to find the best raw of rambutan seed formula; 2 to know the nutritional value of the best raw of rambutan seed; 3 to produce raw material and various processed of rambutan seed product. The research method was quasi experiment with 2x3 factorial design, Namely by using the type of immersion materials by NaCl and Ca OH 2 and the amount of soaking ingredients by 102030.

This research indicates that the seed of rambutan is very potential to be an alternative high-value raw materials. The results showed that 1 the best raw of rambutan seed formula was used 30 Ca OH 2; 2 the best raw of rambutan seed contains 12,08 proteinand 6,41 of lipid; 3 the best raw of rambutan seed produce coffee, flour and processed of various nuts of rambutan seed. Performance of Savonius Blade Waterwheel with Variation of Blade Number L. a Universitas Hasanuddin b Universitas Negeri Manado.

The utilization of water energy source is mainly used as a provider of electrical energy through hydroelectric power. The potential utilization of water flow energy relatively small. The objective of this study is to know the best blade of Savonius waterwheel with various variables such as water discharge, blade number, and loading. The data used the efficiency of waterwheel, variation of blade number, variable water discharge, and loading in the shaft.

The test results have shown that the performance of a top-water mill with a semicircular curve with a variation in the number of blades are 4, 6, and 8 at discharge and loading of 0. 01587 m3 s and 1000 grams respectively. Performance of the number of blades are 4, 6, and 8 are 9. 056 respectively. The blades number of 8 obtained the greatest performance. Performance S type Savonius Wind Turbine with Variation of Fin Addition on Blade Stephanus Fajar Pamungkas aDanar Susilo Wijayanto aHerman Saputro aIndah Widiastuti a.

a Mechanical Engineering Education, Teaching and Education Faculty of Sebelas Maret University Ahmad Yani street Numb. 200 Pabelan Kartasuta Sukoharjo stephanusfajar63 at gmail. Wind power has been receiving attention as the new energy resource in addressing the ecological problems of burning fossil fuels. Savonius wind rotor is a vertical axis wind turbines VAWT which has relatively simple structure and low operating speed.

The fin is added to fill the space in the blade in directing the wind flow. These characteristics make it suitable for areas with low average wind speed as in Indonesia. This rotor has two turbine blades, a rotor diameter of 1,1 m and rotor height of 1,4 m, used pulley transmission system with 1 4,2 multiplication ratio, and used a generator type PMG 200 W. The research was conducted during dry season in a suburb in Central Java Indonesia by measuring the wind speed in the afternoon.

The average wind speed in the area is 2. 3 m s with the maximum of 4. It was found that additional fin significantly increase the ability of Savonius rotor VAWT to generate electrical energy shown by increasing of electrical power. The highest power generated is 13. 40 Watt at a wind speed of 4. 5 m s by adding 1 one fin in the blade. It increased by 22. 71 from the rotor blade with no additional fin. However, increasing number of fins in the blade was not linearly increase the electrical power generated.

The wind rotor blade with 4 additional fins is indicated has the lowest performance, generating only 10. 80 Watt electrical power, accounted lower than the one generated by no fin-rotor blade. By knowing the effect of the rotor shape, the rotor dimension, the addition of fin, transmission, and generator used, it is possible to determine alternative geometry design in increasing the electrical power generated by Savonius wind turbine.

Bio-Ethanol Production from Peat Using Fermentation Method Kiagus Ahmad Roni; Mardwita; Merisha Hastarina. Chemical Engineering Department,Muhammadiyah University of Palembang. Industrial Engineering Department, Muhammadiyah University of Palembang. Chemical Engineering Department, Muhammadiyah University of Palembang. Renewable energy development in Indonesia is one of government s programs to reduce carbon dioxide emission and dependence to fossil fuel.

Bio-ethanol is an alternative energy that can be developed to replace solar fuel. Peat is a source of bio-ethanol which is very potential because of its abundant source in Indonesia. This research investigated the lifecycle of bio-ethanol from peat, resulting carbon dioxide emission reduction and energy net. Fermentation method was used to produce bio-ethanol from peat. In the fermentation, two types of yeast were used, they were bread yeast and tape yeast and the fermentation temperature was between 20 C to 40 C.

The products were analyzed by a gas chromatograph GC. The results showed that at the 10th day, the bio-ethanol production was the highest using tape yeast. This research also concern to the side effects of by-products from bio-ethanol production. The use of by-products may improve the environment performance and bio-ethanol energy until 30-70.

Spatial modeling of tsunami impact in Manado city using Geographic Information System Joyce Christian Kumaat, Sontje Kandoli, Febriyani Laeloma. Email joykekumaat at unima. id Geography Department Faculty Social Science Universitas Negeri Manado. The city of Manado is a coastal area in the shape of a bay. Manado Bay is a water body that protrudes in the area of Manado City where the condition of this region is likely to have a tsunami threat.

Manado Bay is home to several rivers such as Tondano River has geological history of both land and sea. There are several active faults, such as in the sea, subduction of sub plate in north of island, Mayu mountain plate, and Sangihe plate east of North Sulawesi. The purpose of this study is divided into two parts General purpose is to describe GIS-based disaster mitigation that can be done to minimize disaster risk if Tsunami disaster occurs in coastal area of Manado Bay, while special purpose consists of 3 parts, namely 1.

Mapping of zone- Tsunami vulnerability zone of Manado Bay; 2. Mapping the distance and time of the scenario of the Manado Bay Tsunami evacuation route; 3. Mapping of the number of buildings and roads exposed to the Manado Bay Tsunami. Data collection techniques use secondary data collection techniques. Secondary data comes from related institutions or institutions, libraries, or individual archives. The data collection is also continued by direct observation. Direct observation is meant by direct observation by using checklist for secondary data adjustment and then determination of coordinate point with Global Position System GPS at some tsunami location.

EFFECT OF BLADE FIN ON THE POWER GENERATED BY A SAVONIUS ROTOR VERTICAL AXIS WIND TURBINE TYPE L Deny Prabowo, Danar Susilo Wijayanto, Indah Widiastuti. Sebelas Maret University. Increasing of electricity energy consumption sourced from fossils over time continues to grow. The fossil energy reserves will be faster exhausted than expected because of the increasing trend of fossil energy production. Wind as an environmentally friendly renewable energy source can be an alternative solution reduce the consumption of fossil energy.

1 m and a rotor height of 1. This research used a savonius wind turbine type L with a rotor diameter of 1. The material used for the blade is aluminum plate. Generator using a type PMG 200 Watt with pulley transmition system 1 4. The method used is the experimental method by varying the addition of the fin on blade and the wind speed. Variables taken in this research are wind speed, variation of attaching fin, and electric power generated by wind turbine.

Variations of additioning fin are without fin, 1 fin, 2 fin, 3 fin, 4 fin. Testing tools using anemometer, tachometer, ampere and digital voltmeter. The highest wind frequency occurs at wind speed interval 2. The average wind speed during the test was 2. 8 m s with a maximum wind speed of 5 m s. The results of the research was found that the blade fin affect the electric power generated but the number of fin in the blade is not linearly result in increasing ot the electric power.

This research aims to analyze the influence of blade fin on the power generated by a savonius wind turbine type L with variation of wind speed. The increasing number of fin results in lower power generated compared by the with one fin. The variation of addition 1 fin generates the largest electric power that is 10. 66 watt at wind speed of 4. 5 m s with 240 rpm rotation of generator. The lowest cut in speed is 2 m s achieved the addition of 4 fin on the blade. By knowing the shape of the rotor, the dimensions of the rotor, the addition of fin, transmission and generator used can be found alternatives to increase the electrical power generated by savonius wind turbine.

Analysis of Axial Turbine Pico-hydro Electrical Power Plant in Tinnor Village, North Sulawesi F J Sangari aP T D Rompas b. a Department of Education Electrical Engineering, Universitas Negeri Manado Jalan Kampus FT-Unima, Tondano 95618, Indonesia ferry_sangari at yahoo. com b Department of Information and Communication Technology Education, Universitas Negeri Manado Jalan Kampus FT-Unima, Tondano 95618, Indonesia.

This study presents analysis of pico-hydro electrical power plant in Tinnor village, North Sulawesi. The electricity supply in Tinoor is still very limited so to need specific handling by local government and researcher. The objective of this study is to get a design of axial turbine pico-hydro electrical power plant. The method used the study of literature, survey the construction site of the power plant and the characteristics of the location being a place of study, analysis of hydropower ability and analyzing costs of power plant.

The result showed that the design of axial turbine pico-hydro installation is connected to a generator to produce electrical energy maximum can be used for household needs in Tinoor village. This analyze will be propose to local government of Minahasa, North Sulawesi, Indonesia to be followed. Parental Defense to the Offspring Mathematical Model and Simulation Fadilah Ilahi aJuariah bRahayu Kariadinata b.

a Department of Mathematics, UIN Sunan Gunung Djati, Jl. Nasution No. 105, Bandung 40614, Indonesia E-mail fadilah. id b Department of Mathematics Education, UIN Sunan Gunung Djati, Jl. 105, Bandung 40614, Indonesia. Parental defense of offspring is an important thing during a predator attack in many species. A higher level of defense will save the offspring but in the other hand it also exposes a higher risk for parent.

In this article, the authors try to construct the model for parental defense in prey population. The model based on stage structured dynamical model which assumed that the offspring are entirely dependent on parental care for survival. A contact between parent and predator describe as a distance, not a direct bodily iq option imposto de renda. The dynamic and stability analysis are done here to predict the optimal level of defense.

Furthermore, the simulation are shown to understand the behavior of prey population with a certain level of parental defense. The simulation showed that parental defense is increase during breeding and nesting season. A Prospective Method to Increase Oil Recovery in Waxy-Shallow Reservoir Fiki Hidayat, Muslim Abdurrahman. Universitas Islam Riau.

Waxy oil has been the main characteristics of The X field. Initial screening criteria studies indicated that cyclic steam stimulation CCS would be the optimum option because favorable reservoir condition. Based on this method we would like to know how much oil gain and the effect of steam for the stimulated and surrounding well. The injection of steam was done for 7 days followed by 14 days of soaking period. 39,000 liter of Marine fuel oil was used to generate steam for stimulation with an average produce steam quality about 80.

Average of 255 MMBTU of steam was injected each day with total steam injected was about 1. The oil production was increased four times from 5 bopd into 21 bopd. Proper well candidate and high permeability are the some reason for successfully this method in order to increase oil production. Additional heat from steam reduced the damage near wellbore due to wax deposition.

This is verify by increasing productivity index from 3 bbl psi to 4 bbl psi. From results and observation data, this method can be a platform for typical shallow depth reservoir with high paraffinic content especially other reservoir in Sihapas formation. MORPHOLOGICAL AND AGRONOMIC CHARACTERIZATION OF Etlingera elatior Jack EXPLORATION IN SUKABUMI, WEST JAVA Liberty Chaidir, Cecep Hidayat, Asep Supriadin, Anna Aina, Nuryan.

Universitas Islam Negeri Sunan Gunung Djati Bandung.

IMPOSTO DE RENDA NA IQ OPTION // 2019, time: 14:15