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Scoreboard wireless universal based on microcontroller

IOP Conference Series: Materials Science and engineering 2018年第1期420卷

作者： Sindak Hutauruk Pandapotan Siagian Libianko Sianturi Department of Electrical Engineering University of HKBP University 4 A Sutomo Street Medan Indonesia. Institut Teknologi Del Faculty of Informatics and Electrical Engineering Computer Network Management Study Program Jl. Sisingamangaraja Sitoluama Toba Samosir Sumatera Utara 22381 Indonesia

The scoreboard is designed and made for a universal use that can be used in matches in some sports such as basketball, futsal, ping pong, badminton, and others. The scoreboard is designed and made based on the needs of several sports in the Student Activity Unit at HKBP Nommensen University which can be easily moved. Scores displayed on the scoreboard is not only the result of the game but also displayed time in the countdown. This scoreboard can be operated by using a cable and can also without using a cable by using a mobile phone through communication using bluetooth. This scoreboard is based on a microcontroller and uses backup power through rechargeable batteries that can be automatically charged. In trials in several games, this tool works well with a few drawbacks in case of a match that takes more than 100 minutes because the time display can only display a maximum time of 99 minutes.

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Using conjoint and cluster analysis in developing new product for micro, small and medium enterprises (SMEs) based on customer preferences (Case study: Lampung province’s banana chips)

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AIP Conference Proceedings 2017年第1期1867卷

作者： Wilson Kosasih Lithrone Laricha Salomon Reynaldo Hutomo 1Study Program of Industrial Engineering Department of Mechanical Engineering Faculty of Engineering University of Tarumanagara Jakarta Indonesia 2Study Program of Industrial Engineering Department of Mechanical Engineering Faculty of Engineering University of Tarumanagara Jakarta Indonesia 3Study Program of Industrial Engineering Department of Mechanical Engineering Faculty of Engineering University of Tarumanagara Jakarta Indonesia

This paper discusses the development of new products of Micro, Small and Medium Entreprises (SMEs) to identify what attributes are considered by consumers, as well as combinations of attributes that need to be analyzed into the main preferences of consumers. The purpose of this research is to increase the added value and competitiveness of SMEs through product innovation. The object of this study is banana chips produced by SMEs from the province of Lampung which it considered to be unique souvenirs of the province. The research data were collected by distributing questionnaires in Jakarta which has heterogeneous population, in order to develop banana chip’s marketing and increase its market share in Indonesia. Data processing was performed using conjoint analysis and cluster analysis. Segmentation was performed using conjoint analysis based on the importance level of attributes and part-worth of level attributes of each cluster. Finally, characteristics and consumer preferences of each cluster will be a consideration in determining the product development and marketing strategies.

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The baby delivery method estimation using naïve bayes classification model for mobile application

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Journal of Physics: Conference Series 2018年第1期1120卷

作者： Ewika Nadya Iftitah Riries Rulaningtyas Ernawati Biomedical Engineering Study Program Department of Physics Airlangga University Jl. Mulyorejo Surabaya 60115 Indonesia Department of Obstetric and Gynecology Medical Faculty Airlangga University Jl. Mulyorejo Surabaya 60115 Indonesia

The maternal mortality rate because of cesarean delivery is still high caused by lack of knowledge of pregnant women about the high risk of pregnancy. Cesarean delivery is an alternative labor but remains at high risk for both mother and fetus. The awareness of the mother to check her pregnancy early and precisely is very important. To support the awareness attitude of pregnant women to their health, so in this research has made an application program for the mobile application based on Android by using Naïve Bayes classification model to predict early childbirth process that will be undertaken. From this research, it can be concluded that the application of the baby delivery method estimation with Naïve Bayes model based on Android can educate pregnant women about high-risk pregnancy condition and prediction of delivery method that will be done with 90% accuracy, 100% sensitivity, and 80% specificity.

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Web Application to Monitor Logistics Distribution of Disaster Relief Using the CodeIgniter Framework

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IOP Conference Series: Materials Science and engineering 2018年第1期325卷

作者： Mohamad Jamil Mohamad Ridwan Lessy Departement Informatics Engineering Faculty of Engineering Universitas Khairun .Jl. Pertamina Kampus II Unkhair Gambesi Kota Ternate Maluku Utara Indonesia 97719 Departement Marine Science Study Program Faculty of Fisheries Universitas Khairun Jl. Pertamina Kampus II Unkhair Gambesi Kota Ternate Maluku Utara Indonesia 97719

Disaster management is the responsibility of the central government and local governments. The principles of disaster management, among others, are quick and precise, priorities, coordination and cohesion, efficient and effective manner. Help that is needed by most societies are logistical assistance, such as the assistance covers people's everyday needs, such as food, instant noodles, fast food, blankets, mattresses etc. Logistical assistance is needed for disaster management, especially in times of disasters. The support of logistical assistance must be timely, to the right location, target, quality, quantity, and needs. The purpose of this study is to make a web application to monitorlogistics distribution of disaster relefusing CodeIgniter framework. Through this application, the mechanisms of aid delivery will be easily controlled from and heading to the disaster site.

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Earthquake swarm analysis around Bekancan area, North Sumatra, Indonesia using the BMKG network data: Time periods of February 29, 2015 to July 10, 2017

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AIP Conference Proceedings 2018年第1期1987卷

作者： Andri Dian Nugraha Pepen Supendi Sri Widiyantoro Daryono Samsul Wiyono 1Global Geophysics Research Group Faculty of Mining and Petroleum Engineering Institut Teknologi Bandung Bandung 40132 Indonesia 2Geophysical Engineering Study Program Faculty of Mining and Petroleum Engineering Institut Teknologi Bandung Bandung 40132 Indonesia 3Agency for Meteorology Climatology and Geophysics (BMKG) Bandung Indonesia 4Agency for Meteorology Climatology and Geophysics (BMKG) Jakarta Indonesia

Earthquake swarm are common occur around active tectonic and volcanic regions. The recent activities of swarm event occurred around Bekancan area, North Sumatra Province, Indonesia for February 29, 2015 to July 10, 2017 recorded by BMKG local/regional network. This location close to Sinabung and Sibayak volcanoes, lead to our intriguing to analysis of source mechanism and location of the swarm event. We attempted to update hypocenter location of BMKG data catalogue by applying double-difference method. We have successfully relocated of 152 swarm events in the area. The relocated events appear about 10 km northeast of Sinabung volcano with focus depth of about 0 to 30 km (below sea level), however very close to Sibayak volcano area. Overall, the dominant frequency of the event from the closest station is about 2 to 9 Hz. So, our preliminary interpretation is the location of swarm events close to Sinabung and Sibanyak volcanoes in Bekancan area which probably related to stress change due to volcanic-tectonic activity.

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Hypocenter relocation of earthquake swarm around Jailolo volcano, North Molucca, Indonesia using the BMKG network data: Time periods of September 27-October 10, 2017

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AIP Conference Proceedings 2018年第1期1987卷

A year after the hundreds of earthquake swarm last year (2015-2016), recent swarm activity in Jailolo, north of Maluku area, Indonesia began to reactivated. We have successfully relocated 108 out of the 130 earthquake swarm from September 27 to October 10, 2017 by using the BMKG network data through hypocenter double-difference method. The results indicate improvement in hypocenter location, where the initial earthquake focal depths fixed at a depth of 10 km has been updated. A validation through the histogram of travel-time residual depicts good relocation results, in which the residual values are mostly close to zero. The relocated hypocenters are located close to Jailolo volcano area which has focus depths of about 5 – 30 km. We analyzed of waveform of several swarm events (with largest and smallest magnitude) which are recorded by the nearest BMKG station and show has frequency range of 2 to 8 Hz. Our preliminary interpretation, these swarm events probably associated with stress change due to combination of tectonic and deep magma activity in the area.

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Scientists Against War: A Plea to World Leaders for Better Governance

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Sleep and vigilance 2022年第1期6卷 1-6页

作者： Seithikurippu R Pandi-Perumal Velayudhan Mohan Kumar Namasivayam Ganesh Pandian Joop T de Jong Sudalaikannu Andiappan Alexandru Corlateanu Arehally Marappa Mahalaksmi Saravana Babu Chidambaram Ramasamy Rajesh Kumar Chellamuthu Ramasubramanian Sudhakar Sivasubramaniam Alvhild Alette Bjørkum JosAnn Cutajar Michael Berk Ilya Trakht Anton Vrdoljak Miguel Meira E Cruz Harris A Eyre Janne Grønli Dainiel P Cardinali Andreas Maercker Willem A C M van de Put Jaswant Guzder Bjørn Bjorvatn Wietse A Tol Darío Acuña-Castroviejo Marie Meudec Charles M Morin Markku Partinen Corrado Barbui Mark J D Jordans Mario H Braakman Christine Knaevelsrud Ståle Pallesen Marit Sijbrandij Diego Andrés Golombek Colin A Espie Pim Cuijpers Hernán Andrés Marín Agudelo Koos van der Velden Bessel A van der Kolk Stevan E Hobfoll Walter L J M Devillé Michael Gradisar Dieter Riemann John Axelsson Gloria Benítez-King Robert D Macy Vitalii Poberezhets Samuel Ratnajeevan Herbert Hoole Rangaswamy Srinivasa Murthy Thomas Hegemann Andreas Heinz Jane Salvage Alexander C McFarlane Rob Keukens Harendra de Silva Cornelia Oestereich Jochen Wilhelm Michael von Cranach Klaus Hoffmann Matthias Klosinski Dinesh Bhugra Mary V Seeman Somnogen Canada Inc. College Street Toronto Canada. Saveetha Medical College and Hospitals Saveetha Institute of Medical and Technical Sciences Saveetha University Chennai India. Kerala Chapter National Academy of Medical Sciences (India) New Delhi India. Institute for Integrated Cell-Material Sciences (WPI-iCeMS) A210 Kyoto University Institute for Advanced Study Yoshida Ushinomiya-cho Sakyo-ku Kyoto 606-8501 Japan. Department of Cultural Psychiatry and Global Mental Health Amsterdam UMC Amsterdam The Netherlands. Boston University School of Medicine Boston USA. Department of Gandhian Studies and Ramalingar Philosophy School of Religions Philosophy and Humanist Thought Madurai Kamaraj University Madurai Tamil Nadu India. Department of Respiratory Medicine Nicolae Testemitanu State University of Medicine and Pharmacy Chisinau Moldova. Department of Pharmacology JSS College of Pharmacy JSS Academy of Higher Education and Research Mysuru 570015 India. Global Community Educational Foundation (NGCEF) 7 Peterlee Pl Hebersham NSW 2770 Australia. Division of Community Psychiatry M. S. Chellamuthu Trust and Research Foundation Madurai India. Department of Biotechnology Manonmaniam Sundaranar University Tirunelveli Tamil Nadu 627012 India. Department of Safety Chemistry and Biomedical Laboratory Sciences Faculty of Engineering and Science Western Norway University of Applied Sciences Kronstad Bergen Norway. Department of Gender and Sexualities Faculty for Social Wellbeing University of Malta Room # 114 Guze Cassar Pullicino Building Msida 2080 MSD Malta. Deakin University The Institute for Mental and Physical Health and Clinical Translation (IMPACT) School of Medicine Barwon Health Geelong Australia. Department of Medicine Columbia University New York NY USA. Faculty of Civil Engineering Architecture and Geodesy University of Mostar Kampus Sveučilišta Maticehrvatskeb. b 88000 Mostar Bosnia and Herzegovina. Centro Cardiovascular da Universidade de Lisboa

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Thermodynamics properties and combustion performance investigation of higher chain alcohol-RON 92 gasoline system

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AIP Conference Proceedings 2017年第1期1818卷

作者： Rama Oktavian Rhezaldian Eka Darmawan Ayu Diarahmawati Intan Dyah Kartiko Rizqi Tri Rachmawati 1Chemical Engineering Study Program Faculty of Engineering University of Brawijaya Indonesia

The increasing consumption of fossil fuel in Indonesia is not followed by the rising on domestic oil production. This will lead to the depletion of fossil fuel reserves that will affect the availability of energy resources. Biofuel is considered as the critical solution to solve this problem in Indonesia. In recent years, alcohol produced from biomass has been used as an oxygenated compound in gasoline to increase the octane number and reduce pollutants resulting from motor vehicle exhaust emissions. However, the use of alcohol as an additive compounds is still limited to ethanol. In fact, the use of higher-chain alcohol such as 1-butanol offers more benefits over ethanol due to its higher calorific value. 1-butanol also has good characteristics for gasoline mixture such as less corrosive than ethanol, more resistant to water contamination, its low vapor pressure which leads to more safety application. This work investigated the effect of 1-butanol addition on the thermodynamic properties of gasoline-ethanol blend, in the form of density values, isobaric expansion coefficient, and the calorific value. The addition of 1-butanol up to 15% weight (80% RON 92-5% ethanol-15% 1-butanol) gives higher density to alcohol-gasoline blend up to 2% compared with pure RON 92 gasoline. Moreover, this addition produces the calorific value of gasoline blend of 11,313 cal/gr compared to pure RON 92 gasoline with the calorific value of 12,117 cal/gram. This blend can reduce the RON 92 gasoline consumption up to 15% from calorific value perspective.

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Analysis of Porosity Defects in Aluminum as Part Handle Motor Vehicle Lever Processed by High-pressure Die Casting

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IOP Conference Series: Materials Science and engineering 2018年第1期367卷

作者： L. Anggraini Sugeng Faculty of Engineering President University Jalan Ki Hajar Dewantara Jababeka Education Park Cikarang Baru Bekasi 17550 Indonesia. Undergraduate Study Program of Mechanical Engineering President University Jalan Ki Hajar Dewantara Jababeka Education Park Cikarang Baru Bekasi 17550 Indonesia.

This research discusses the testing and analysis of cracking Aluminum (Al) material. Al as a handle lever was used for a braking device on a motor vehicle. Cracking of handle lever due to the part content of porosity from hydrogen gas. The existence of the H2 can be caused by the casting process and dies design that is less perfect, especially at the gate or brisket and overflow. This research is to optimize the process of making Al part handle lever, and the construction dies by following the standard. The results of these improvements were reevaluated through the chemical and mechanical testing properties stages, such as density test and tensile test on the workpiece as part handle lever. The loads on the tensile test are 25 kg and 35 kg, and the tensile test result has met the standard set by the motor vehicle company. The optimization result has the porosity defect can be reduced by 99 %. Therefore the best part handle lever can be produced.

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Formation of Mount Loyang: Easternmost scoria cone of Slamet stratovolcano, Central Java, Indonesia

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AIP Conference Proceedings 2018年第1期1987卷

作者： A. Harijoko R. M. P. P. Gunawan H. E. Wibowo N. I. Setiawan E. Handini W. Suryanto E. T. W. Mei 1Geological Engineering Department Engineering Faculty Universitas Gadjah Mada Indonesia 2Volcanology Research Group LPPT Universitas Gadjah Mada Indonesia 3GAMA-InaTEK Universitas Gadjah Mada Indonesia 4Study Program of Geophysic Faculty of Science and Mathematic Universitas Gadjah Mada Indonesia 5Faculty of Geography Universitas Gadjah Mada Indonesia

Scoria cones commonly occur in the lower flank of stratovolcano close to the populated area. This close spatial relationship increases hazardous risk of direct impact of volcanic activities to the people. Therefore, it is necessary to gain more understanding to the formation of scoria cone to better assess the volcanic hazards. We studied Mount Loyang, the furthest scoria cone of Slamet volcano, approximately 14 km from the recent active crater. Quarrying to this scoria cone enables us to observe the interior structure towards the surface as represented by its volcanic rocks sequence. The sequences include 61 layers of voluminous ash and lapilli deposits resembling simultaneous scoria cone formation which attributed with lava effusion on the lower part of the cone. Chemical compositions were gained through ICP-MS-AES analysis including major and 13 trace elements for 17 representative samples yields typical basaltic compositions of SiO2 46.1 to 50.7 wt.% and MgO 5.9 to 7.5 wt.%. Median grain size (MdΦ) and sortation coefficient (δΦ) of −0.4 to −1.85 and 1.025 to 2.35, respectively, suggested for Hawaiian to Strombolian eruption type. In detailed, initial stage composed of bomb rich (size range 10 to 30 cm) embedded in ash materials (Φ scale −2) typical of opening vent stage. Average grain size shows general coarsening upward trend (Φ scale −3 to −5) and suggest for increasing explosive eruptive style. In the late stage, pyroclastic surge deposit typical of phreatomagmatic eruptive style started occur implying for the transition from dry to wet environment. The external water influence might triggered more explosive eruptive style once there is new magma ascend to the surface. We suggest that such eruptive style through a scoria cone need to be integrated into the hazard assessment of a potentially active volcanic area such as that in Slamet volcano.

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