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Tangguh Okta Wibowo
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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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Tinjauan geografis wilayah potensial ibukota negara Indonesia Anugerah A. Sahamony; Luthfi Muta’ali; Estuning Tyas Wulan Mei Mei
Jurnal Teknosains Vol 10, No 1 (2020): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.36756

Abstract

The number of actual problems in the existing capital of Indonesia raises the idea to move the national government center to another region. From all parts of Indonesia republic territory, which region is most potential to be the location of the nation’s capital relocation? The aim of this research is to identify the most potential area to be the location of the national government center development. The method used is this research is a quantitative analysis with ‘zooming’ concept. The analysis process is divided into three stages with nine assessment indicators. The stages are; (1) identifying the most ideal provinces using spatial centrality, external accessibility, and the vulnerability of macro-scale natural disaster variables, (2) identifying the most potential province using the potential of social condition, the potential of infrastructure development, and the potential of national economic integration variables, and (3) determining the most suitable zone to be the location of nation’s capital development, which is using variables of physiological and regulational suitability (land availability, water aviability, and the vulnerability of micro-scale disaster). The results of this research indicate that Paser Distict in Kalimantan Timur is the most potential region to be the future nation’s capital of Indonesia.
Analisis Sistem Reliability dengan Pendekatan Reliability Block Diagram Rifda Ilahy Rosihan; Hari Agung Yuniarto
Jurnal Teknosains Vol 9, No 1 (2019): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.36758

Abstract

Rendahnya reliability suatu sistem dapat mengakibatkan timbulnya downtime. Sedangkan rendahnya availability dapat mengakibatkan turunnya performance dari suatu sistem karena banyaknya waste time. Sistem extrussion pada PT. X berbentuk countinous process, apabila salah satu komponen pada mesin mengalami kerusakan akan menyebabkan terhentinya proses. Terdapat lima belas mesin yang tersusun secara seri pada proses extrussion, yakni uncoiler, welding, looping,extruder 90. Extruder 70, microwave 1,microwave 2, oven 1, oven 2,oven 3, cooling batch, breaking, bending, pulling, dan cutting. Sistem extrussion digambarkan dalam diagram Reliability Block Diagram. Tujuan dilakukannya penelitian ini adalah memodelkan sistem dengan menggunakan metode Reliability Block Diagram, mengetahui reliability dari keseluruhan system, dan mengetahui critically equipment. Data yang diolah merupakan data kerusakan mesin dari tahun 2006-2017, kemudian data tersebut diolah untuk menentukan reliability dari masing-masing komponen. Software yang digunakan adalah Software Reliasoft Blocksim 11. Hasil dari penelitian ini adalah nilai reliability sistem 0,431407 dengan t 100 jam.
ESTIMASI PRODUKSI JAGUNG (Zea Mays L.) DENGAN MENGGUNAKAN CITRA SENTINEL 2A DI SEBAGIAN WILAYAH KABUPATEN JENEPONTO PROVINSI SULAWESI SELATAN Laode Muhamad Irsan; Sigit Heru Murti; Prima Widayani
Jurnal Teknosains Vol 8, No 2 (2019): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.36885

Abstract

Production is a real benchmark in successful crop management which is the most important output economically. Currently, corn production estimates are generally done by conventional means through field surveys. This conventional way requires a high cost and a long time. Appropriate agricultural management requires precise and accurate information or data to increase production and economic benefits. Sentinel 2A remote sensing satellite data is potential to be used in assessment of corn production estimation. The purpose of this research is to make land use mapping and corn production estimation by using spectral approach. Estimated data were obtained from Sentinel 2A image by mapping land use and modeling of vegetation index (NDVI, SAVI, MSAVI, TSAVI, EVI, and ARVI) then compared with data of corn production in the field. The result of data analysis shows land use mapping using Sentinel 2A image has 91% confidence level. Calculation of production estimation can show the accuracy of 74% with RMSE 0.69. The highest correlation is estimated production with EVI index model with regression correlation equal to 74% which shows strong correlation on both variables. Estimated production of corn in 2017 in Jeneponto Regency is 178,660,69 tons.
SERI METHODS IN MOLECULAR BIOLOGY Retno Ardhani
Jurnal Teknosains Vol 7, No 1 (2017): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.36989

Abstract

Sejarah telah mencatat andil penelitian dalam menciptakan kehidupan yang lebih baik. Salah satunya penemuan antibiotik pada 1940an yang diawali dari pengamatan Alexander Fleming pada 1928 terhadap fenomena kematian bakteri Staphylococcus dalam cawan petri yang juga ditumbuhi jamur. Sebelum ditemukan antibiotik, tidak ada obat untuk pneumonia, gonorrhea atau demam rematik sehingga rumah sakit dipenuhi pasien sedangkan tidak banyak yang dapat dilakukan dokter untuk menolong. Tidak mengherankan jika kemudian Alexander Fleming bersama Howard Florey, Ernst Chain yang merupakan tim penemu antibiotik penicillin, dianugerahi Nobel Prize untuk Fisiologi dan Kedokteran pada 1945.
COMMUNITY EMPOWERMENT IN SERUT VILLAGE ON CLIMATE CHANGE ADAPTATION AND MITIGATION Permana Arief Mardika; Ahmad Sarwadi; Retno Widodo Dwi Pramono
Jurnal Teknosains Vol 6, No 2 (2017): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.37167

Abstract

Based on Regulation of Indonesian Environment Ministry number 19/2012 about Climate Village (Proklim) Program, Serut Village is designated as Climate Village in 2012 because of the effort on climate change adaptation and mitigation. This success is not separated from the community empowerment efforts after Bantul earthquake in 2006. This research aims to describe the community empowerment on climate change adaptation and mitigation then identify factors infl uence community empowerment. This research method used case study with single case using qualitative descriptive approach. The research results indicate that the community empowerment has occured simultaneously and unnoticed caused by the earthquake. Community empowerment is refl ected in many sectors, such as development of organic farming, management of livestock farming with communal cages, community base litter management, disaster response, greening and water resources management. Factors that infl uence the process of community empowerment are natural conditions; society culture, norm, and community self-help; local leader; and government.
KARBOKSIMETIL KITOSAN MENINGKATKAN DAYA SIMPAN FILET NILA MERAH YANG DISIMPAN PADA SUHU RENDAH Dr.Sc. Amir Husni
Jurnal Teknosains Vol 8, No 2 (2019): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.37406

Abstract

Kitosan diketahui memiliki aktivitas antibakteri, biodegradable, dan biokompatibel tetapi tidak larut dalam air. Modifikasi kitosan menjadi karboksimetil kitosan diharapkan mampu meningkatkan kelarutan dalam air tanpa mengubah bioaktivitas sehingga memungkinkan aplikasi sebagai antibakteri. Penelitian ini bertujuan mengkaji pengaruh pemberian karboksimetil kitosan sebagai bahan antibakteri terhadap daya simpan filet nila merah yang disimpan pada suhu dingin. Karboksimetil kitosan dibuat dengan cara mereaksikan senyawa kitosan dengan asam monokloroasetat pada suhu 900C selama 3 jam. Sampel filet nila merah segar direndam dalam larutan karboksimetil kitosan dengan konsentrasi 0%; 2%; 3% dan 4% selama 60 menit, kemudian disimpan pada suhu dingin 50C selama 12 hari. Parameter yang diamati tiap 4 hari yaitu Total Plate Count (TPC), Total Volatile Base (TVB), pH dan uji skoring. Hasil penelitian menunjukkan bahwapenggunaan konsentrasi karboksimetil kitosan yang berbeda memberikan pengaruh nyata (P
PENGARUH PEMINDAHAN KAWASAN PERKANTORAN PEMERINTAH KABUPATEN BOYOLALI TERHADAP PERKEMBANGAN PERKOTAAN BOYOLALI Fitria Nur Rohmah; Bakti Setiawan
Jurnal Teknosains Vol 8, No 1 (2018): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.37634

Abstract

The goal of movement was to improve the service through placing the governmental office area in one integrated location. Furthermore for spatial context it would be highly expected to be the instrument of urban development as well as to trigger the establishment in the expansion area. According to Urban Spatial Detailed Planning (RDTR) of Boyolali Year 2012 – 2032, the new location was the expansion of Boyolali City which included part of Mojosongo Dictrict covering Kemiri Sub-district, Mojosongo Sub-District and Kragilan Village. Those mentioned administrative regions were capable to be developed. This research aimed to identify the movement impact of governmental office area towards the development of Boyolali urban area. The methodologies being used in this study were deductive quantitative with the comparison between the condition of former and current governmental office area. The analysis was conducted with quantitative descriptive method and spatial descriptive. This study proved that the movement of governmental office area gave the impact in developing the urban area. The impact began with the land-use change from agriculture turning into the settlement, trade and service, and industrial areas, also gave the transformation for the accessibility improvement such as the addition of road network and the increment of land price. The result of analysis towards existing land-use in 2018 with land-use zonation according to RDTR Boyolali Urban Area 2012-2032 (map zonation and text) found out that there was deviation in the usage of green open space and industrial area. That issue showed that the urban development should have been included the instrumental implementation in case of controlling the space utilization for liveable city.
Pengaruh Material Konservasi Kolostrum terhadap Pelepasan Ion Ni Grahita Aditya; Hikmah Nuraini; Whinahyu Aji Sekarini
Jurnal Teknosains Vol 9, No 1 (2019): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.37727

Abstract

Nickel in orthodontic bracket will be released immediately in the oral cavity. The release of Ni ion may trigger type IV hypersensitivity reaction. Colostrum has a high content of lactoferrin which can inhibit T cells proliferation after nickel sensitization, and decrease oxidative stress. Adding potassium sorbat 0.5%, or fermentation of colostrum may extend colostrum storage. The purpose of this research is to know the difference of nickel ion release in colostrum with 0.5% potassium sorbat addition and fermented colostrum. Methods of the study were laboratory experimental with four groups, colostrum and 0.5% potassium sorbat, fermented colostrum, sodium fluoride and artificial saliva. The sample was incubated in 40°C for 7 days. Nickel ions was measured using an inductively coupled plasma-optical emission spectrophotometry (ICP-OES Perlun Elmer Optima 8300®). Ni ions release differences were tested using the Kruskall-Wallis and Mann Whitney test.The lowest rate of Ni ion release wasfound in the colostrum group with 0.5% potassium sorbat followed by the fermented colostrum group. Kruskal-Wallis test no significant difference (p> 0,05) in each study group. The Mann Whitney test found significant differences between colostrum solution with 0.5% potassium sorbat and sodium fluoride, and also artificial saliva. The results concluded that colostrum with 0.5% potassium sorbat inhibit the release of Ni ions.
PERUBAHAN PERMUKIMAN NELAYAN PASCA REKLAMASI PANTAI DI KELURAHAN LETTE, KECAMATAN MARISO MAKASSAR Aidi Darmansyah; Sudaryono Sudaryono; Deva Fosterharoldas Swasto
Jurnal Teknosains Vol 8, No 2 (2019): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.37731

Abstract

Lette is one of the sub-districts in Mariso Subdistrict, Makassar City which has a suburban area and the community has a livelihood as a fisherman. The condition of the Tanjung Bunga coastal and coastal area has undergone a change, which used to be the territorial waters that are now largely transformed into land, this change is due to the ongoing coastal and coastal reclamation process in the area of Tanjung Bunga. To meet the need for urban space, Lette fishermen have no choice but to be relocated from their place of origin to the flats. This study aims to determine the spatial, cultural, socio-economic changes in the fishing settlement of Lette and the factors that drive these changes. This study uses an inductive-qualitative method with a phenomenological approach. The results of the study show that the changes that occur are changes in coastal space, changes in settlement space and the creation of a central business, tourism and entertainment area. Factors driving these changes are changes in fishing boat access and entry, dock circulation, catching areas that are not potential, domestic activities, spatial space utilization, bale-bale culture, informal fishing activities, and new economic space.
CLINICAL DECISION SUPPORT SYSTEMS THEORY AND PRACTICE Wiharto Wiharto
Jurnal Teknosains Vol 7, No 2 (2018): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.38641

Abstract

Clinical Decision Support Systems Theory and Practice, adalah buku teks dalam seri Health Informatics yang membahas tentang sistem pendukung keputusan klinis. Pada buku ini terbagi menjadi dua kelompok bahasan, Pertama membahas tentang dasar dalam mengembangkan sistem Clinical Decision Supprot System (CDSS) dan evaluasinya. Kedua, Aplikasi CDSS dalam praktik klinis. Bahasan tersebut menjadikan pembaca dapat memperoleh gambaran tentang dasar-dasar yang diperlukan dalam membangun dan mengaplikasikan CDSS dalam praktik klinis. Secara rinci buku tersebut terbagi menjadi 11 Bab, yang dapat dikelompokkan menjadi 7 Bab tentang konsep dalam pengembangan CDSS, dan 4 Bab tentang aplikasi CDSS dalam praktik klinis.

Page 13 of 23 | Total Record : 224

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