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2018 Consortium Studies of Smallholder Palm Oil International Conference, CSSPO 2018

作者： Syam, Bustami Muttaqin, Maraghi Mawardi Rozi, Fachrur Martgomi Hutagalung, James Impact and Fracture Research Center Department of Mechanical Engineering Faculty of Engineering Universitas Sumatera Utara Indonesia Mech. Engineering Study Program Universitas Sumatera Utara Indonesia Department of Mechanical Engineering Universitas Sumatera Utara Indonesia

We have been involved in developing the use of EFB fibers for several light structural products, such as speed bumps, parking stoppers, helmets, and horse shoes. This paper presents our current research work on parking bumper made of EFB fibers to be utilized for power generation. The products are designed and produced in full scale covering the whole width of vehicles passing over the bumpers. The ideas are how to reserve kinetic energy harvested from the vehicles to convert into electricity to be stored in a battery. To obtain a structural integrity-proof material, the speed bumps were subjected several tests, e.g. static and impact tests as well as live body test using the kinetic energy obtained from vehicles pass over the speed bumps. For this, a speed bump station parallel to street zebra-cross was prepared. It was obtained that A-5 concrete foam type is suitable for 3B class road. The structural response of speed bumps were checked using ANSYS 17.0. © 2018 Owned by the authors, published by EDP Sciences.

关键词： Vehicles

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Development of microcontroller trainer kit as a teaching aid for electronics course

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AIP Conference Proceedings 2024年第1期3115卷

作者： Adhan Efendi Armansyah Maria Mahardini Sakanti Ary Surjanto C. Bambang Dwi Kuncoro Graduate Institute of Precision Manufacturing National Chin-Yi University of Technology No. 57 Section 2 Zhongshan Rd Taiping District Taichung City Taiwan Mechanical Engineering Study Program Faculty of Engineering Universitas Pembangunan Nasional Veteran Jakarta Jalan RS. Fatmawati Raya Pondok Labu Cilandak South Jakarta City Jakarta 12450 Indonesia Department of Refrigeration and Air Conditioning Engineering Politeknik Negeri Bandung Polban Jl. Gegerkalong Hilir Ciwaruga Kec. Parongpong Kabupaten Bandung Barat Jawa Barat 4001 Indonesia Department of Refrigeration Air Conditioning and Energy Engineering National Chin-Yi University of Technology No. 57 Section 2 Zhongshan Rd Taiping District Taichung City Taiwan

This research aims to develop educational and learning support facilities by developing teaching aids for instructors and practical training to enhance the capabilities of laboratories. The developed exercise materials will be used in the electronics laboratory activities to equip vocational students (Diploma 3 and Diploma 4) with practical skills and knowledge of applied electronics. Microcontroller-based teaching materials designed systematically and interactively developed to support the applied electronic system. As a result, the students learn quickly while installing and programming applied electronic hardware applications. There are exercise manuals for up to seven exercise competencies of electronics laboratory activities. Based on the evaluation results from the expert group member and the laboratory chairman, the developed teaching aids are convenient for electronics laboratory classes. Based on student responses using the developed teaching aids, 43% of students mentioned that the microcontroller teaching laboratory kit and hands-on instructions were interactive, easy to use, understandable, and practical, along with the required electronic instructions. They indicated that the material was presented continuously. Meanwhile, 64% of students report that the microcontroller teaching laboratory kit and hands-on instructions motivate, contribute to comprehension, provide convenience, and increase student attention in electronics laboratory activities.

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Complete mitochondrial genome of Staghorn damselfish,Amblyglyphidodon curacao(Perciformes, Pomacentridae)

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Mitochondrial DNA Part B 2019年第1期4卷 1101-1102页

作者： Hyun-Woo Kim Sinar Pagi Sektiana Md. Jobaidul Alam Sapto Andriyono Interdisciplinary Program of Biomedical Mechanical and Electrical Engineering Pukyong National University Busan Republic of KoreaDepartment of Marine Biology Pukyong National University Busan Republic of Korea Interdisciplinary Program of Biomedical Mechanical and Electrical Engineering Pukyong National University Busan Republic of KoreaAquaculture Technology Study Program Sekolah Tinggi Perikanan Jakarta Indonesia Interdisciplinary Program of Biomedical Mechanical and Electrical Engineering Pukyong National University Busan Republic of KoreaDepartment of Fisheries Ministry of Fisheries and Livestock Dhaka Bangladesh Interdisciplinary Program of Biomedical Mechanical and Electrical Engineering Pukyong National University Busan Republic of KoreaDepartment of Marine Fisheries and Marine Faculty Universitas Airlangga C Campus Jl. Mulyorejo Surabaya East Java Indonesia

The complete mitochondrial genome of the Staghorn damselfish,Amblyglyphidodon curacaowas determined by next-generation sequencing (NGS) platform. The circular mitochondrial genome ofA. curacao(16,612 bp) encoded the 13 protein-coding genes, 22 tRNA genes,2rRNA genes, and 2 non-coding regions (origin of light strand replication (OL) and the control region (D-Loop)). All the tRNAs have typical clover-leaf structures except for tRNA-Ser. Phylogenetic analysis based on the currently reported mitochondrial genomes in Pomacentridae showed thatA. curacaowas most closely related toAmphiprion frenatus. The complete mitogenome sequence ofA. curacaowould provide essential genetic information of Pomacentrinae related to them for their scientific management in the coral-reef ecosystem in Indonesian waters.

关键词： Next generation sequencing damselfish complete mitogenome coral-reef fish

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Utilisation of mind map and TPACK within-pair check to enhance communication skill

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Journal of Physics: Conference Series 2020年第1期1446卷

作者： A Wijayanti A Widyawati D Septiani S Setuju A Widowati A Kusdiyanta Science Education Study Program Universitas Sarjanawiyata Tamansiswa Indonesia Mechanical Engineering Education Study Program Universitas Sarjanawiyata Tamansiswa Indonesia Science Education Study Program Universitas Negeri Yogyakarta Indonesia Teacher at Junior High School of 5 Banguntapan Yogyakarta Indonesia

The urgency of improving skills is a problem in one of the schools in Yogyakarta, especially communication skills in learning. Therefore, this study aims to improve communication skills by utilising mind mapping and TPACK (Technological Pedagogical and Content Knowledge) in a pair of checks. The subjects of this study were thirty-eighth-grade students of Junior High School (JHS) of 5 Banguntapan Yogyakarta, totalling thirty-two students. This research is qualitative research with a class action research design. Classroom action research by referring to the Kemmis & McTaggart model, namely through stages (1) planning; (2) implementation; (3) observation; (4) reflection. The four stages are carried out in cycles. Data collection is done by observation, questionnaire and documentation. Observations were made to find out the pair of mind check assisted with mind maps. The questionnaire is filled in by students to find out communication skills. Documentation to document student and teacher activities during pair check assisted with a mind map. Data analysis techniques using quantitative descriptive analysis with percentages and qualitative descriptive. The results showed that the average communication skills increased by 5.55%.

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Energy and exergy analysis of renewable multi-generation system

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AIP Conference Proceedings 2020年第1期2248卷

作者： Vontas Alfenny Nahan Audrius Bagdanavicius Andrew McMullan 1School of Engineering University of Leicester UK 2Mechanical Engineering Education Study Program Universitas Palangka Raya Indonesia

In this study a new multi-generation system, which generates power (electricity), thermal energy (heat and cooling) and ash for agriculture has been developed and analysed. The system consists of a Biomass Integrated Gasification Combined Cycle (BIGCC) and Absorption Chiller (AC) systems. Energy and exergy analysis of this multi-generation system has been conducted, and exergy destruction in system components has been calculated. The results of this study show that 3.4 MW of electricity, approximately 4.6 MW of heat, 88 kW of cooling and 90 kg/h of ash for fertilisation can be generated. The exergy analysis shows that highest exergy destruction occurs in the gasifier and combustor of BIGCC system and in the generator, condenser and absorber of AC system.

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The development of the model of influence of sociodemographic characteristics and disaster experience toward household preparedness for facing landslide in Bogor regency

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IOP Conference Series: Earth and Environmental Science 2021年第1期708卷

作者： P D Saputra C Rahmawati P Karuniakhalida K S H Purnomo E Larosa Military Building Construction Engineering Study Program Faculty of Military Engineering Indonesia Defense University Bogor Indonesia Industrial Engineering Department Faculty of Industrial Technology Universitas Dirgantara Marsekal Suryadarma Jakarta Indonesia Mathematic for Education Program Faculty of Teacher Training and Education Universitas Riau Riau Indonesia Master of Management Program Universitas Teknologi Yogyakarta Yogyakarta Indonesia Mechanical Engineering Education Faculty of Teacher Training and Education Universitas Negeri Yogyakarta Yogyakarta Indonesia

Indonesia has a high tendency of having landslides. Bogor is one of regency which is very prone to landslide disaster due to high rainfall. Landslides are a very dangerous threat to public safety. The preparedness can build disaster resilient communities that can support the national resilience. Sociodemographic characteristic and disaster experience are determining factors for the success of preparedness. The purpose of this research is to develop a model of the influence of sociodemographic characteristics and disaster experience toward household preparedness for facing landslide. This research is done in Cibadak Village, Sukamakmur Bogor. This research uses a quantitative approach with 100 sample of households. Multiple linear regression technique is used for analyzing the model. The results of the research showed that household preparedness is significantly influenced by sociodemographic characteristics which is education (p = 0.000), meanwhile age, income and the number of family member don't significantly influence. Beside that the household preparedness is also greatly influenced by disaster experience too (p = 0.000). Education influence on household preparedness for facing landslide as much as 38.81% and the disaster experience is 52.85%.

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ICT-based learning media development

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Journal of Physics: Conference Series 2020年第1期1446卷

作者： Setuju D Ratnawati A Wijayanti W Widodo B R Setiadi Department of Mechanical Engineering Education Universitas Sarjanawiyata Tamansiswa Indonesia Science Education Study Program Universitas Sarjanawiyata Tamansiswa Indonesia Department of Mechanical Engineering Education Universitas Negeri Yogyakarta Indonesia

This research aimed at developing ICT-based learning media for independent learning. The subjects of the research were mechanical engineering students of Universitas Sarjanawiyata Tamansiswa. By adopting Borg & Gall's research and development model, this research was done in four stages, namely: (1) identification stage; (2) design and development stage; (3) production stage; and (4) evaluation stage. Questionnaires were the instrument used for data collection techniques, and the descriptive quantitative method was the data analysis technique. The results of the development of ICT-based learning media earned positive appraisals on the ease of use aspect with a percentage of 50%, and the display aspect with a percentage of 62.50%. In conclusion, ICT-based learning media that was developed on several vocational materials can be used as a learning media for independent learning.

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The use of remote sensing in mining prospecting in Situbondo, East Java, Indonesia

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AIP Conference Proceedings 2020年第1期2278卷

作者： Januar Fery I Haeruddin Nur Faizin Siti Aminah Fanteri Aji D. S. F. X. Kristianta 1Study Program of Mining Engineering Civil Engineering Department Faculty of Engineering University of Jember Indonesia 2Mechanical EngineeringDepartment Faculty of Engineering University of Jember Indonesia

Mineral resources of a region are development assets and are one of the essential capital of development as well as the source or potential of wealth in the area. To make the right use for the welfare of the community, there is a need for proper identification of types, positions and reserves, excavation, and management. Therefore, to manage the mine deposit, especially industrial minerals, an area needs to be mapped to reveal mining resources concerning the type, size, and position of deposits in a field. The purpose of the study was to determine the potential for the dissemination of mining excavations in Situbondo Regency. The research method used remote sensing with guided techniques based on data in the field and geological maps. Based on remote sensing results, it was found that there were 5 minerals in Situbondo Regency. The excavated materials are sand, limestone, trass, mountain rock, and phosphate.

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Four-scroll chaotic attractor and four-scroll hyperchaotic attractor generated from a new four-dimensional dynamical system

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Journal of Physics: Conference Series 2021年第1期1764卷

作者： Khaled Benkouider Toufik Bouden Mustak E. Yalcin Aceng Sambas Mujiarto Muhamad Ali Pahmi Akhmad Sutoni Widjajani Non Destructive Testing Laboratory Automatic Department Jijel University Algeria Department of Electronics and Communication Engineering Istanbul Technical University Turkey Department of Mechanical Engineering Universitas Muhammadiyah Tasikmalaya Indonesia Department of Industrial Engineering Sekolah Tinggi Teknologi Cileungsi Indonesia Department of Industrial Engineering Universitas Suryakancana Cianjur Indonesia Industrial Engineering Study Program Universitas Langlangbuana Bandung Indonesia

In this paper, a new 4-D hyperchaotic system with one equilibrium point is first introduced. It contains ten terms with three quadratic nonlinearities. Of particular interest is that this novel system can generate periodic attractor, quasi-periodic attractor, four-scroll chaotic attractor and four-scroll hyperchaotic attractor with the variation of one of its parameters. Major dynamical properties of the new system are investigated such as sensitivity to the initial conditions, dissipativity, equilibrium point stability, Kaplan-Yorke dimension, Lyapunov exponents spectrum and bifurcation diagram. In addition, an equivalent electronic circuit schematic is implemented using Multisim software; the obtained results confirm the feasibility of the proposed system.

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The potential use of Indonesian glutinous rice flour as nanoparticles organic filler for dental impression materials

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IOP Conference Series: Materials Science and engineering 2020年第1期1007卷

作者： V Takarini L A T W Asri R Suratman B K Hadi Materials Engineering Study Program Faculty of Mechanical and Aerospace Engineering Institut Teknologi Bandung Ganesha 10 Bandung 40132 Indonesia Dental Materials and Technology Department Faculty of Dentistry Universitas Padjadjaran Sekeloa Selatan 1 Bandung 40132 Indonesia Aerospace Engineering Study Program Faculty of Mechanical and Aerospace Engineering Institut Teknologi Bandung Ganesha 10 Bandung 40132 Indonesia

Indonesia as a third largest rice producer has glutinous rice as one of its natural resources, which can be used as the advantage in organic fillers production. Organic and inorganic fillers are commonly added to reinforce the mechanical properties of the polymer in impression materials. Organic fillers made from glutinous rice flour can be produced due to its high amylopectin content and unique characteristics of morphological and structural of the source plant. Moreover, it is abundant in production, low cost, non-toxic and biodegradable. However, this type of filler is not common in dental area, especially in impression materials. This study aims to exercise the probability of the use of organic fillers made from Indonesian glutinous rice as filler component of the viscosity the dental impression materials. Nano-size, morphology, and amount of glutinous rice organic filler shall affect the consistency of viscosity, which will be provided as light, medium, heavy body and putty consistency. The study can be used as a reference in the future research of Indonesian glutinous rice development for organic nanofillers production that could be used for dental impression materials reinforcement towards better mechanical properties.

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