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Tangguh Okta Wibowo
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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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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 8 Documents
 1 
Search results for , issue "Vol 5, No 1 (2015): December" : 8 Documents clear
MODEL MATEMATIS PREDIKSI KESUKSESAN PRODUK MEMPERTIMBANGKAN BUDAYA PADA KENDARAAN BERMOTOR RODA EMPAT Ratih Setyaningrum; Subagyo Subagyo; Andi Rahadiyan Wijaya
Jurnal Teknosains Vol 5, No 1 (2015): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.9313

Abstract

Cultural aspects and Maslow needs has been considered on product development process. There is also has indication of product selection mutation based on Maslow needs ability. Based on these conditions, formulation of successful product development strategy in the future need to consider cultural aspects. Therefore, the purpose of this study is to determine mathematical model of products four-wheeled vehicles and to predict success. Stages of research include developing mathematical models, the validation process models and best model selection. The results of a mathematical model based on market share indicates that the component must-be inversely proportional to the success of the product, while the components of one-dimentional and attractive is directly proportional to the success of the product. The calculation result that Kano generate mathematical equations require further research. These research expected can determine the success of the model with the parameters of the success product in addition to market share.
SOLID STATE CHEMISTRY ILMU DASAR BERDAYA GUNA DAN APLIKATIF Bagas Pujilaksono
Jurnal Teknosains Vol 5, No 1 (2015): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.24170

Abstract

Kima zat padat (solid state chemistry) adalah ilmu dasar yang sangat menarik, menantang, berkembang dengan pesat, dan aplikasinya sangat luas. Metode analis, difraksi, dan spektroskopi berkembang pesat setelah dikembangkan konsep simetri. Manipulasi sifat fisik, dan magnetik material intensif dilakukan dengan memanfaatkan konsep simetri. Absorpsi energi dengan struktur molekul adalah cara kerja spektoskopi. Difraksi foton pada bidang-bidang kristal adalah cara kerja difraksi. Konsep difraksi dan spektrokopi dengan mudah dijelakan dengan teori simetri. Teori simetri adalah inti dari bidang ilmu kimia zat padat.
POTENSI TANAMAN DI TAMAN NASIONAL PULAU JAWA SEBAGAI SUMBER BAKTERI PENGHASIL ANTIBIOTIK Sri Yuwantiningsih; Sebastian Margino; Subagus Wahyuono
Jurnal Teknosains Vol 5, No 1 (2015): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.26853

Abstract

Bacterial endophytes in trees are potential source to obtain new antibiotic producers that have not been widely studied until now. This study aims to obtain bacterial endophytes isolates in the tissue of twig trees in National Park Banten, Indonesia Germplasm Garden (The Bogor Botanical Gardens), Cilacap Nusakambangan Island, Kaliurang National Park, Meru Betiri National Park Jember, and Baluran National Park, Situbondo. This selection was based on the growth ability in liquid nutrient, GY (glucose and yeast-extract), and antibiotic-3, and the ability to obstruct indicator microbes, such as Bacillus subtilis, Candida albicans, and Fusarium oxysporum. The selection result is obtained eight isolates that have inhibitory effect more than 4, such as BIN-1, KLP-1, OOH-1, STG-1, CMB-2, STL-1, MTG-1, and PPH-1. Based on chromatography method on various eluents, it is obtained three superior isolates, i.e OOH-1 ,STG-1, and CMB-2. Thus, this shows that bacterial endophytes in trees constitute potential sources for screening new antibiotic producers.
ANALISIS KEBUTUHAN DAN KETERSEDIAAN AIR DI DAS KEDUANG JAWA TENGAH Erlynda Kumalajati; Sambas Sabarnudi; Budiadi Budiadi; Putu Sudira
Jurnal Teknosains Vol 5, No 1 (2015): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.26854

Abstract

This study aims to examine the balance between the availability and water need in the present and the future in Keduang Watershed, Central Java. The water need is calculated by using the standard water need for irrigation and non-irrigation. Types of non-irrigation water need encompass the water need for domestic, office, and the facilities of health, education, religious duties, industry, and market, as well as livestock. The standard water need is from SNI 19-6728.1-2002 and Planning Criteria of Directorate General of Human Settlements of Department of Public Works in 1996. This study uses socio-economic data in 2013. The availability of water is calculated by using Soil Conservation Service Curve Number (SCS CN) from USDA with the hydrological data from 2005 to 2013. This study uses data in 2013, due to the limitations of the data that can be obtained. In the analysis of availability and water need, hydrological, and spatial data are projected until 2033 and analyzed using quantitative analysis in the form of descriptive statistics. The result shows that 1) from year to year in Keduang watershed, the water need is increasing with an average increase of 3.38%, while the water availability is decreasing with an average decrease of 0.09%. 2) Water deficit will begin in 2023, when the water need is reaching 115,306,568.00 m3/year, whereas the water availability only 112,250,656.00 m3/year. From this calculation, it can be concluded that if there is no effort to change the trend of land cover that lead to the goal of water conservation, then, the water availability will not able to cover the water need. Thus, in the future, Keduang watershed will occur water deficit.
SIMULASI ALIRAN PASIEN RAWAT INAP UNTUK MENGURANGI BOTTLENECK Thomas Sonny Soegiharto; Anna Maria Sri Asih
Jurnal Teknosains Vol 5, No 1 (2015): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.26855

Abstract

Bottleneck is possible to occur in a system like hospital, especially in admission and discharge of inpatient processes. It can have impact on increasing waiting time and delayed time. Some alternatives were proposed to reduce them, i.e. shift scheduling and human resource allocation. This research modelled real system accompanied by two scenarios: the first scenario was conducted by balancing human resource utility without altering number of employees, whereas the second scenario considered possibility of changing number of employees. The results showed that both scenarios produced reduction of waiting time and delayed time. The first scenario is more feasible compared to the second as no hiring or firing employees occurred, resulting in waiting time reduction of 110.6 minutes (15%) and decrease in delayed time by 184 minutes (15.9%). The reduction of waiting time and delayed time is higher in scenario 2, which are 423.6 minutes (57%) and 281 minutes (24%), respectively. However, there must be 4 additional employees hired in pharmacy applied in scenario 2.
DANAU-DANAU VOLKANIK DI DATARAN TINGGI DIENG: PEMANFAATAN DAN MASALAH LINGKUNGAN YANG DIHADAPI Sudarmadji Sudarmadji; Hari Supriyono; Sri Lestari
Jurnal Teknosains Vol 5, No 1 (2015): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.26856

Abstract

Volcanic lakes in the Dieng Plateau are famous because of their uniqueness; they have been used for various purposes. The area of Dieng Plateau has changed. The present land use is manly for the area of potato-producing farmland. In the area erosion process caused sedimentation in the lake to occur rapidly, it reduced the volume of the lake and water pollution. On the other hand, Dieng Local communities have been using water of these lakes. This study aims to: 1)inventory of volcanic lakes and environmental impacts that occur; 2. assess the environmental degradation in the area Dieng volcanic lake; and 3. assess the wisdom of local communities in the utilization of the lake. In this research, there are four lakes, namely Telaga Warna and Pengilon (as one unit), Telaga Merdada and Telaga Cebong were studied. This research was conducted by survey method. Field observation and interview with respondents were conducted. Water samples were collected from the lakes, followed laboratory analysis. Results of this study indicate that each lake has different potentials and problems. Telaga Warna and Pengilon potential as a tourist attraction that can be developed further, Telaga Merdada already in critical condition as a result of sedimentation and reducing of water volume, while the Telaga Cebong has a better conditions as local awareness for the conservation of the lake.
SIMULASI ANTRIAN UNTUK APPOINTMENT SCHEDULING PADA SISTEM PELAYANANKESEHATAN (STUDI KASUS POLIKLINIK PENYAKIT DALAM) Diyah Pramita Sari; Anna Maria Sri Asih
Jurnal Teknosains Vol 5, No 1 (2015): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.26857

Abstract

Hospital as a health institution must be able to give good services for its stakeholders, especially patients. However, patients often have to wait for quite a long time in queues before service. A study case in an internal medicine polyclinic in a large scale hospital in Yogyakartashowed that for around 60 patients in a day, they have to stay in queues for more than one hour averagely. This observation occurred when appointment scheduling was used, i.e. patient must make an appointment for the service time. This research evaluated some scenarios that can reduce the waiting time in this system. Results showed that patient’s arrival was recommended to be schedulled every 15 minutes with adjustment on the number of operating server. This recommendation can reduce patient’s waiting time by 28-50% by taking into account the presence of the late doctors.
PEMETAAN KOLABORATIF SITUASIONAL PADA KONDISI DARURAT Yusri Habibah Wahyuni; Budi Hartono
Jurnal Teknosains Vol 5, No 1 (2015): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.26858

Abstract

The first step to do disaster management accurately is getting comprehensive information about disaster. A situational map is the overview of the disaster situation based on geo-spatial information at a particular time. This map is a tool which can gain comprehensive information in emergency. This study aims to complement earlier research with re test confidence level variable that is divided for object detection, type, and location. Besides this study examines collecting information system in emergency situation model that used to be used by police agencies which is using mediator. this study is conducted by experiments that involved 48 participants that were divided in 16 groups. The participants sample consisted of wide variety of different majority and educational level in UGM and non UGM with age range between 19 and 29 years old (Mean = 24; SD = 2.68). The whole experiments are collaboration, collaboration with confidence level and collaboration with mediator. Assessments of experiment accuracy were used three kinds which are checklist, detection and position of objects. Another factor that is considered is prior knowledge of mediator and respondent. This study using α = 5% and ANOVA showed position information more accurate with confidence level model. Other information like checklist and detection could using all model. Prior knowledge have not affected in improving map accuracy.

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