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Tangguh Okta Wibowo
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teknosains@ugm.ac.id
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+628995674422
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teknosains@ugm.ac.id
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Gedung Lengkung, Unit 1, Lantai 2, Sayap Timur Sekolah Pascasarjana Universitas Gadjah Mada Jalan Teknika Utara, Pogung, Sleman- Yogyakarta Telp. (0274-564239 extc. 207)
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INDONESIA
Jurnal Teknosains
Published by Universitas Gadjah Mada
ISSN : 20896131     EISSN : 24431311     DOI : https://doi.org/10.22146/teknosains.xxxx
Core Subject : Science, Engineering,
Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Teknosains is a peer-reviewed journal which began publication in 2011, and published each semester in June and December. It is a series of scientific publications in engineering, science and technology area. Jurnal Teknosains aims to encourage research in Science and Technology studies. Topics addressed within the journal include but not limited to: Engineering, which is divided into several topics: Mechanical Engineering, Industrial Engineering, Biomedical Engineering, Chemical Engineering, Nuclear and Physical Engineering, Civil Engineering, and Planology. Basic Sciences, which is divided into: Chemistry and Physics Health Sciences, which is divided into: Medical, Biotechnology specially in Health Science, and Dentistry
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 224 Documents
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DAMPAK DAN KENDALA WISATA WADUK SERMO DARI ASPEK LINGKUNGAN HIDUP DAN RISIKO BENCANA Sudarmadji dan M. Widyastuti
Jurnal Teknosains Vol 3, No 2 (2014): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6027

Abstract

Sermo Reservoir is a multipurpose reservoir. Due to its natural beauty and being the only reservoir in Yogyakarta Special Region, it is visited by many tourists. Tourism activities in the reservoir may cause environmental impacts and disaster risks for the tourists. This study aims to determine the potential of Sermo Reservoir as a natural tourism object and, in general, analyze the environmental impacts and disaster risks caused by tourism activities. The study was conducted by field surveys, observations and interviews with the local community. Reservoir water samples were collected for physical and chemical parameter analysis and were evaluated against the standard requirements of water for tourism activities. Data analysis was performed using descriptive qualitative and quantitative methods, using tables and diagrams of the processed data. In general it was found that the Sermo Reservoir has high potential for tourism. However, due to the lack of supporting facilities, the number of tourist coming to the Sermo Reservoir is still not yet optimal. The environmental impacts caused by tourism activities have occurred. The positive impacts that arise are the emerging business opportunities and the increased revenue of the local people, while the negative impacts are the pollution caused by solid waste and the water quality degradation. The risk of disaster may come from accidents when conducting activities in the reservoir, and it should be considered in the development of Sermo Reservoir for tourism.
OPERATIONS RESEARCH STRATEGI EFISIENSI BERMULA DARI PERANG Nur Aini Masruroh
Jurnal Teknosains Vol 3, No 2 (2014): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6028

Abstract

Penggunaan nama operations research inimemang tidak dapat lepas dari sejarah awalperkembangan ilmu ini. Berawal dari zamanperang dunia kedua, ketika pemerintahanInggris dan Amerika menghadapi permasalahanterbatasnya ketersediaan logistikperang yang harus dialokasikan ke beberapaoperasi militer dan aktivitas lain yangmendukung operasi militer ini sehinggamemerlukan sebuah strategi distribusilogistik yang efektif dan efisien. Gunamerumuskan strategi ini, maka dibentuklahtim yang terdiri dari sejumlah ilmuwanuntuk mengaplikasikan pendekatan ilmiahuntuk memecahkan permasalahan ini. Timini diberi tugas untuk melakukan research on(military) operations. Tim ilmuwan inilah yangselanjutnya dikenal sebagai tim operationsresearch (OR) yang pertama kali. Salah satuhasil dari tim ini adalah hasil risetnya tentangstrategi pengaturan operasi kapal selam yangmenghasilkan kemenangan dalam perang diAtlantik utara.
MODEL KESUKSESAN PRODUK SANITER Andrean Emaputra dan Subagyo
Jurnal Teknosains Vol 4, No 1 (2014): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6045

Abstract

A company that manufactures home decorations and sanitary products has not been able to achieve the expectedproduction utility. This was indicated by the installed production capacity (of the sink) in 2013, which has not beencompletely consumed. Therefore, studies that explore customer needs and their corresponding levels of customersatisfaction need to be done. Achieving the desired product quality and customer satisfaction can be an entrancefor achieving higher sales. This study was conducted in several stages, with the sink selected as the type of productfor the research object. First, the quality attributes of the sink were identified. Second, the importance levels ofthe quality attributes were searched by questionnaires. Third, the sink quality attributes were grouped into theclassification of quality attributes by the Kano model. This study gave some results. First, 90% of the averageimportance level of the sink quality attributes were between ‘important’ and ‘extremely important’. Second, thesurvey that used the Kano model indicated that (1) ‘performance’ was a must-be quality attribute, (2) ‘aesthetics’was not an indifferent quality attribute from ‘attractiveness’, except for ‘excellence drainage’, which was classifiedinto a must-be quality attribute, (3) features could improve customer satisfaction quickly through ‘the sink priceis competitive’, (4) the ‘durable sink color’ and ‘scratch resistant’ attributes can increase customer satisfaction, (5)‘materials that are for maintenance are included when buying the sink’ could increase consumer satisfaction veryquickly, and (6) the higher the reputation of the company, the higher the customer satisfaction
SLUM, SQUATTER, AND QUASI-SQUATTER HOUSING DEPRAVITY IN YOGYAKARTA Arap Matinguny Adris, Suratman Worosuprojo, dan M. Baiquni
Jurnal Teknosains Vol 4, No 1 (2014): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6046

Abstract

This studyaims at deepen our understanding of the slum-squatter housing issue in relation to thedifferences in household socio-economic factors. The theoretical basis of the study comes from literatureon self-help housing,consolidation, and marginality especially by J. Turner and colleagues. Threehousehold factors are key to the processes of taudification and consolidation in this city namely, income,dependency burden, and land tenureship.This studyattempts to synthesise a facility allocation model i.e. a Client-Oriented model; and to establish thetheoretical background of the concept of Self-Help housing advocated by Turner and friends. The study findsout that self-help housing as proposed by these researchers lacks a theoretical and philosophical setting. Inthis context, the study advances the Self-Care Ethic philosophy and a Covering Law theory as the departureof self-help and housing consolidation policies in urban settlements. With this in mind, the Client-Orientedmodel is instrumental because its purpose is to determine the degree of housing and facility in a settlement.
OPTIMALISASI PENGGUNAAN LAHAN UNTUKAGROFORESTRI DI DAERAH ALIRAN SUNGAI CIMANUK PROPINSI JAWA BARAT Caya, Totok Gunawan, Suratman Woro Suprodjo, dan Lutfi Muta’ali
Jurnal Teknosains Vol 4, No 1 (2014): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6047

Abstract

Watershed-based management in areas at the boundary of water sheds until now has not been realized. Basicadministrative process is still practiced in management, and sectoral ego is still high. Though watershed area is asystem, when an error occurs in the upper management, it will have an impact on down stream are as. Watershedmanagement is still focused on the economic benefits compared to environmental aspects. This research aims todevelop land evaluation models and economic evaluation to support the optimization of the use of land-based agroforestry. This study uses the physicall and evaluation with Ver.1.0 SPKL land evaluation model, which aims todetermine the level of suitability of the land for agro forestry crops and the economic valuation of environmentalservices approach. The results of this study are in the form of land use optimization appropriate tothe physicaland economic aspects of the approach, for the development of sustainable agriculture(agro forestry). The resultsobtained from this research can bring an idea about the amount(dollars) that can be produced by a plant agroforestry.
PEMANFAATAN FESES TERNAK SAPI SEBAGAI ENERGI ALTERNATIF BIOGAS BAGI RUMAH TANGGA DAN DAMPAKNYA TERHADAP LINGKUNGAN Latifah Hanum Damanik, Adi Heru Husodo, dan Totok Gunawan
Jurnal Teknosains Vol 4, No 1 (2014): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6048

Abstract

Sustainable development is a development that meets the needs of the present without compromising the rightto meet the needs of future generations. It is used to describe the development of sustainable improvement inthe quality of human life, while trying not to exceed the ability of the ecosystem that supports life. Utilization ofwaste as an alternative source of energy is not yet common, especially the waste that comes in a large capacityfrom farming activities. This is because the waste released into the environment has particular characteristicsand properties, with potential impacts for environmental disadvantage that needs to be done handling back. Thisresearch studied the utilization of cattle feces as an alternative energy of biogas for household and its impact onthe environment in Kepuharjo Village, Cangkringan, Sleman. The results give an overview of how the communityhas responded positively to the use of animal feces biogas as an alternative energy, which proved of value to theutilization of biogas energy savings of 2.50.
KATA-KATA KANSEI PADA PRODUK BERBASIS BUDAYA UNTUK PEMENUHAN KEBUTUHAN MASLOW Ratih Setyaningrum, I.G. Bagus Budi Dharma, dan Heddy Shri Ahimsa-Putra
Jurnal Teknosains Vol 4, No 1 (2014): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6049

Abstract

Cultural aspect is not a priority within a product design and development process in Indonesia. On the other hand,cross culture products have success in the global market. That product is included in each Maslow level. Culturalaspect in product design is applied with a semantics, such as kansei words. The purpose of the research is to identifyculture products and kansei words based on Maslow needs. The research stage begins with mapping cultureproducts based on Maslow needs and determining kansei words. The result of this research is a classification ofkansei words. It is used to guide product development. Product development based on Maslow needs is one strategyto attract consumers. Therefore, product development and diversification product had met the needs of Maslow
COLONIZATION OF MANGROVE FOREST AT ABANDONED SHRIMP-POND OF SEGARA ANAKAN-CILACAP Tjut Sugandawaty Djohan
Jurnal Teknosains Vol 4, No 1 (2014): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6050

Abstract

During the 1996 to 1997, large areas of mangrove forest in the Segara Anakan were cleared and converted into intensive shrimp-ponds. After one to two years, these shrimp-ponds failed and were abandoned. These abandoned ponds created large gap areas and canopy gaps, which were colonized by mangrove shrub and liana. The Segara Anakan mangrove also experienced heavy siltation, and there were tree cuttings from the remnant of the mangrove trees. This research aimed to study the colonization of mangrove vegetation at the abandoned-shrimp pond. Vegetation data were collected using rectangular plots of 25 m x 25 m with 4 replicates. The water qualities were also studied. The results revealed that the mangrove forests were composed of two layers: canopy tree and floor-vegetation. The gap areas triggered the pioneer species of mangrove shrubs and liana, Acanthus ilicifolius and Derris heterophylla, to colonize and dominate 100% of the mangrove forest floor. The mangrove trees consisted of natural and planted tree species. The natural trees were Sonneratia alba, Avicennia alba, and saplings of Aegiceras corniculatum, which  varied between 56 – 136, 4, and 4 individuals per ha, respectively. The planted trees were Rhizophora apiculata, which amounted to 4 – 12 individuals per ha, at the island of the ponds. These trees and saplings were entangled by the liana mangrove, which disturbed their growth. The A. ilicifolius and D. heterophylla prevented the mangrove tree propagules to grow, and they colonized and characterized those abandoned shrimp-ponds, which threatened the Segara Anakan mangrove ecosystem. 
SIMULASI ALIRAN PASIEN RAWAT INAP UNTUK MENGURANGI BOTTLENECK Thomas Sonny Soegiharto dan Anna Maria Sri Asih
Jurnal Teknosains Vol 4, No 1 (2014): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6051

Abstract

Bottleneck is possible to occur in a system like hospital, especially in admission and discharge of inpatientprocesses. It can have impact on increasing waiting time and delayed time. Some alternatives were proposed toreduce them, i.e. shift scheduling and human resource allocation. This research modelled real system accompaniedby two scenarios: the first scenario was conducted by balancing human resource utility without altering numberof employees, whereas the second scenario considered possibility of changing number of employees. The resultsshowed that both scenarios produced reduction of waiting time and delayed time. The first scenario is more feasiblecompared to the second as no hiring or firing employees occurred, resulting in waiting time reduction of 110.6minutes (15%) and decrease in delayed time by 184 minutes (15.9%). The reduction of waiting time and delayedtime is higher in scenario 2, which are 423.6 minutes (57%) and 281 minutes (24%), respectively. However, theremust be 4 additional employees hired in pharmacy applied in scenario 2.
BIOMATERIAL UNTUK RESTORASI FUNGSI DAN ESTETIKA Dedy Kusuma Yulianto
Jurnal Teknosains Vol 4, No 1 (2014): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.6052

Abstract

perkembanganteknologi dalam bidang biomaterialmemberi kontribusi besar dalam duniakedokteran gigi. Keterlibatan disiplin ilmulain dalam mengembangkan teknologi yangrelevan memberi kontribusi yang sangatbesar dalam lahirnya inovasi baru baikdari segi teknik maupun filosofi perawatandental

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