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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 4, No 2 (2015): June" : 8 Documents clear
KAJIAN SEBARAN POTENSI EKONOMI SUMBER DAYA Latif Sahubawa Nurul Khakim Musrowati Lasindrang
Jurnal Teknosains Vol 4, No 2 (2015): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.7953

Abstract

The objectives of research is to identify and inventory the economic potential of marine resources (fisheries and environmental services/beach tourism) and competitive commodity in the South Coast of DIY Province for investment purposes. The research method used is: a survey, the travel cost, the willingness to pay and analysis of competitive commodities. South Coast region of DIY Province which have valuable marine resources are economically important: Kulon Progo Regency (Congot and Galagah-Karangwuni Beach); Bantul (Pandansimo, Kuwaru, Depok and Parangtritis Beach); Gunungkidul (Sadeng, Wediombo, Siung, Sundak/Indrayanti, Drini, Baron, Ngerenehan, Gesing and Purwosari). The economic value of the resources of each coastal region as follows: (1) Kulon Progo Regency (fisheries = 519.817 IDR. billion and beach tourism = 0.608 IDR. billion, total 520.425 IDR. billion); (2) Bantul (fisheries = 121.455 IDR. billion and beach tourism = 2.961 IDR. billion: total 124.416 IDR. billion); (3) Gunung (fisheries = 63.957 IDR. billion and beach tourism = 6.803 IDR. billion; total 70.244 IDR. billion). The total economic value of marine resources of the South Coast of DIY Province DIY is 715.085 IDR. billion. Competitive commodity marine resources in Kulon Progo Regency Beach and Bantul is vanamme shrimp while in Gunungkidul are tuna, skipjack, tongkol, marlin, lemadang, layur, snapper, manyung and lobster.
PENENTUAN BOBOT KEPENTINGAN DECISION MAKER DALAM GROUP DECISION MAKING Dian Eko Hari Purnomo dan Nur Aini Masruroh
Jurnal Teknosains Vol 4, No 2 (2015): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.7965

Abstract

Generally, there are two criteria which are widely used to determineDM’s weight of interest, i.e. competenceand consensus. Various studies related to determine DM’s weight of interest based on competence or consensusseparately have been conducted. Each criterion has its own advantages. The advantage of using competence as acriterion is DMs who have high competence based on their consistence on the decisions made will have high of interest weight. Meanwhile, consensus criterion emphasizes a DM/s contribution to a group without consideringthe DM’s ability or competence.Considering the advantages of both criteria, this study developed a model to determine DM’s weight of interestby considering the DM’ competence and consensus in a GDM. This study used2 group decision making cases totaling in 6 groups consisting of 5 people each. Collected data was then processedusing DM’s weight of interest determination method based on competence and consensus. A model was thendesigned using regression method and fuzzy method. Therefore, a model to determine DM’s weight of interest was obtained by considering competence and consensus. DM’s weight of interest from each method was then involvedin group decision making. The research result showed that group decisions made by involving DM’s weight of interest were better decisions. It implies competence and consensus are two criteria which can be used to determineDM’s weight of interest.
APLIKASI TANK MODEL DAN KESEIMBANGAN NERACA AIR STUDI KASUS MODEL DAS MIKRO (MDM),SUB-DAS CISAMPORA, DAS CIMANUK, KABUPATEN MAJALENGKA PROVINSI JAWA BARAT Syampadzi Nurroh dan Nana Mulyana Arifjaya
Jurnal Teknosains Vol 4, No 2 (2015): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.7966

Abstract

The influence of forest cover in landuse is an important concern in the goverment’s regulation for distributionof water flow into the rivers. The River flow is one of the hydrology paramater importantness in order to bepriority in managamenet environmental. The one of hydrology which could be used for water balancepredictionbyTank Model. The Tank Model was applied using daily rainfall, evapotranspiration, and discharge river. Basedon research results that water balance are calculated by input parameter (precipitation, 678 mm) with outputparameter by discharge (623,48 mm) inequation curve discharge(Q = 1,606 (TMA1, 494)) with the correlation (R2)is 0,993and evapotranspiration (631,04 mm). Based on the indicators of the reliability of the Tank model thatthe value of the correlation coefficient (R) of 0,84 can be presented the results of verification in this case quitesatisfactory. The water balancewas surplus ouput by calculated 550 mm of water storage in ground water (38,80%),outflowdistributed recharge river 622,21 mm(33,90%) regard to runoff including 24% (runoff coefficient 0,24)and evapotranspiration 504,8 mm (27,30%).
RESPON KOMUNITAS BENTHIK INSEKTA EMPAT BULAN PASCA-KEBAKARAN HUTAN 2002 DI HULU KALI BOYONG GUNUNG MERAPI Tjut Sugandawaty Djohan
Jurnal Teknosains Vol 4, No 2 (2015): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.7969

Abstract

The purpose of this research is to study the response of benthic insect community in the headwater of BoyongRiver, Mount Merapi, four months post-forest fire in 2002. Energy at the headwater ecosystem was based on thedetritus food-chain. The presence of benthic community indicated forest health. The forest fire caused energy whichentered into the river changed from allochtonous coarse particulat organic matter (CPOM) to fine particulatorganic matter (FPOM). This change would be responded by the functional group of benthic community. Datawere collected with Surber Sampler. The result showed that there were 12 genus constituent of benthic insectsconsisted of functional groups of collector gather, collector filter, predator, dan scrapper. The dominant functionalgroups were collector gather and collector filters, 2256 individual/m3 or 86.02% and the dominant genus of Baetisand Leutcra. Otherwise, scrapper was founded 111 individual/m3 or 4% and predator 256 individual/m3 or 10%.This condition showed that four months post-forest fire indicated dominant allochtonous in Boyong River wasCPOM and FPOM with size of 1 mm. The quality of nutrients in the water was low, otherwise, the sedimentnutrients was high. The dominance of functional group of collectors indicated that ecosystem of headwater forestin Boyong River had not been fully recovered.
MODEL PENGENDALIAN KESEHATAN TENAGA KERJA PADA KEGIATAN PENGECORAN LOGAM TRADISIONAL STUDI KASUS DI KAWASAN INDUSTRI BATUR KLATEN- JAWA TENGAH Latifah Hanum Damanik, Adi Heru Husodo, Totok Gunawan, dan Pramono Hadi
Jurnal Teknosains Vol 4, No 2 (2015): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.7970

Abstract

Research conducted at PT. Bonjor Klaten the distribution of the metal dust in a casting chamber having an effect on the health of the workforce. Diseases caused by exposure to chemicals are dominant in the production process of metal casting in the PT.Bonjor Jaya Klaten is silica and manganese. This substance is thought to impact diseases such as silicosis, which silicosis is pneumoconiosis caused sucked (inhaled) dust silica free (SiO2) and suspected disease caused liveliest chemicals silica, the disease is becoming an important  issue for workers at factories has been running for twenty years. The method used in the study with the path analisys. Based on the results obtained that the activity in the kitchen cupola foundry chemicals produce particles coming from the chimney and output channels cupola kitchen spread the longer the exposure, the disease can affect the lungs and skin. Model of labor control in PT . Bonjor in the form of research findings include: digital simulation on the distribution pattern of the direction and the fall of the particle chemical substances silicon and manganese are dispersed in space foundry, planning SOP activity raw material preparation, filling and operation of the kitchen cupola based hazard in the workplace environment, in an effort metal dust pollution control by using personal protective equipment and supervision of the workplace environment, and the application of legislation  occupational safety and health related licensing and application SMK3 company in PT. Bonjor in efforts to control health workers traditionally casting.
MODEL OF MICROCLIMATIC INFLUENCE ON FLUCTUATION OF HERPETOFAUNA DIVERSITY IN CAMPUS AREA Tony F. Qurniawan
Jurnal Teknosains Vol 4, No 2 (2015): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.7971

Abstract

The study on correlation of microclimates changes on fluctuations of herpetofauna diversity in campus area wasdone for the last six years. Monitoring herpetofauna diversity was conducted from 2007 to 2012 using VisualEncounter Survey. The analysis for designing a model on the influence of microclimates on fluctuations ofherpetofauna diversity performed by using smart PLS program. The result showed eight (8) species of amphibiansand twenty four (24) species of reptiles were identified within the last six-year visits (2007-2012). New country recordsof Lepidodactylus cf lugubris (Geckonidae) species were documented. The results also showed that fluctuations ofherpetofauna diversity in campus area was influenced by microclimates elements. The model of microclimaticinfluence on fluctuations of herpetofauna diversity showed that the humadity becomes a major factor influencingon fluctuations of herpetofauna diversity in campus area with the predictive-relevance (Q2) value is 99,817%.
OPTIMASI PROSES PENGUKURAN DIMENSI DAN DEFECT UBIN KERAMIK MENGGUNAKAN PENGOLAHAN CITRA DIGITAL DAN FULL FACTORIAL DESIGN Denny Sukma Eka Atmaja Muhammad Kusumawan Herliansyah
Jurnal Teknosains Vol 4, No 2 (2015): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.7972

Abstract

Theinspection process of surface quality of ceramic tile could be done by using image processing technique throughthe optimization by using Center for Ceramics’s parameteron Indonesian National Standard (SNI) ISO 10545.This research will analyze from light intensities (level 300lx, 600lx, and 900lx), and camera distances (50cm, 75cmand 100cm), with three times replication using full factorial design. This research uses Matlab 2009a softwareto identify area and defect on dry spots ceramic tile’s surface. The result obtained from this research is there weresignificant influencing factors: light intensity, and camera distance, as well as the interaction of these factorstowards the error rate percentage of measuring areaand defect on ceramic tile’s surface. The smallest error ratevalue from measuring tile’s surface and diameter of dry spots with light intensity of 300lx and camera distance of50cm had been obtained the error rate value for each measurement about 0.0675% and 2.30%, with combinationof grayscale value for the error rate measurements of tile’s surface and diameter of dry spots were 0.2989 x 0.1140x R + G+0.5870 x B. Based on the correlation coefficient value between light intensity, camera distance towardsthe error rate of measuring areaand defect on tile’s surface, each of them was obtained correlation coefficient valueof camera distance with error rate had 0.518 and 0.516, which meant a strong correlation. The positive correlationcoefficient value showed a unidirectional relationship of two variables, where the rise of one variable would causethe rise of another variable and the decline of one variable would cause the decline of another variable.
RESENSI Biologi Molekular adalah Ilmu yang Menyenangkan dan Mudah Ivan Arie Wahyudi
Jurnal Teknosains Vol 4, No 2 (2015): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.7973

Abstract

Biologi molekuler merupakan ilmu pengetahuan merupakan multi disiplinilmu dari biokimia, biologisel, dan genetika yang mempelajari aktivitas biologi pada level molekular, termasuk interaksi antara perbedaan tipe DNA, RNA, protein, dan biosintesisnya. Aktivitas atau mekanisme apa yang terjadi pada level molecular sangat penting untuk dipelajari sehingga dapat   menunjukkan gen apa yang mempengaruhi suatu penyakit genetik, identifikasi gen,identifikasi DNA, identifikasi DNA forensik, terapi gen dalam mengobati, dan mencegah penyakit dan sebagainya.

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