Jurnal Teknosains
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
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<![CDATA[PENDEKATAN ANN (ARTIFICIAL NEURAL NETWORK) UNTUK PENENTUAN PROSENTASE BOBOT PEKERJAAN DAN ESTIMASI NILAI PEKERJAAN STRUKTUR PADA RUMAH SAKIT PRATAMA ]]>
<![CDATA[Aulia Yudha Prathama]]>
<![CDATA[ Jurnal Teknosains Vol 7, No 1 (2017): December ]]>
Publisher : <![CDATA[Universitas Gadjah Mada ]]>
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DOI: 10.22146/teknosains.30139
<![CDATA[Pengambilan keputusan dalam estimasi biaya dalam proses perancangan bangunan memiliki peranan penting. Oleh sebab itu kebutuhan akan alat estimasi baik dari sisi desain perencanaan maupun manajemen proyek perlu dikembangkan. Makalah ini membahas manfaat metodologi jaringan syaraf tiruan (Artificial Neural Network) untuk mengatasi masalah estimasi biaya nilai pekerjaan struktural pada tahap proses perancangan bangunan. Nilai pekerjaan struktural sendiri memiliki alokasi yang cukup besar dari total kontrak dan merupakan item pekerjaan yang cukup penting dalam suatu pekerjaan konstruksi bangunan. Data terkait nilai pekerjaan struktural dan desain item pekerjaan dari 8 proyek digunakan untuk pelatihan dan pengujian Metode Artificial Neural Network (ANN) dengan tujuh variabel desain digunakan dalam memprakirakan nilai biaya pekerjaan struktural dari bangunan Rumah Sakit Pratama pada daerah terpencil di Indonesia. Dari simulasi ANN diperoleh persamaan empiris terbaik untuk prakiraan harga kontrak gedung rumah sakit pada tahap perencanaan dengan struktur ANN terbaik 7-9-1 (7 variabel input, 1 hidden layer dengan 9 neuron dan 1 output) dengan hasil akurasi estimasi biaya rata – rata 96.51% tercapai.]]>
<![CDATA[MORPHOLOGICAL VARIATION OF EARLY DAYS TO FLOWERING ON LOCAL RICE ACCESSIONS COLLECTED FROM PONOROGO ]]>
<![CDATA[Niken Trisnaningrum]]>;
<![CDATA[Alfu Laila]]>
<![CDATA[ Jurnal Teknosains Vol 7, No 1 (2017): December ]]>
Publisher : <![CDATA[Universitas Gadjah Mada ]]>
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DOI: 10.22146/teknosains.31134
<![CDATA[Local rice germplasm may play an important role in improving rice quality. One of the important to improve rice cultivar trait is days to flowering. Ponorogo is one of district of center rice production area where the farmers cultivate local rice varieties which is early days to flowering or short vegetative phase. Exploration of local early days to flowering rice accessions in Ponorogo resulted in 9 accessions. Flowering times ranged 51 to 91 days after sowing. Based on morphological variation, there were variation of plant height, number of leaves, number of tiller, number of panicle, number of grains per panicle, flowering time, grain size and weight of 100 grains. Morphological dendrogram made possible to identify three groups at similarity 0.88. ]]>
<![CDATA[PERAN ORANG TUA TERHADAP KETERAMPILAN MENYIKAT GIGI DAN MULUT PADA ANAK DISABILITAS INTELEKTUAL ]]>
<![CDATA[Leny Pratiwi Arie Sandy]]>
<![CDATA[ Jurnal Teknosains Vol 7, No 1 (2017): December ]]>
Publisher : <![CDATA[Universitas Gadjah Mada ]]>
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DOI: 10.22146/teknosains.32343
<![CDATA[Intellectual disability is a group of children with impaired intellectual function below an average of 70 or lower. This group experienced problems in terms of self-development skills such as tooth brushing. Tooth brushing is an activity the mechanical removal of from food scraps, germs and plaque. Growing and developing independence of children with intellectual disability was influenced by the role of parents. Parents who have a role as basic of children behavior was contributed to process child growth. This study aims to determine the relationship of parental role to the tooth brushing skill in intellectual disability children.This research method is analytic survey and used cross sectional design. Sampling technique using total sampling. The population in this research is intellectual disability children in SLB Pamardi Putra Banguntapan Bantul Yogyakarta as many as 30 people. The role of parent was measured using questionnaire and tooth brushing skills measured using check list (from Special Care Advocates in Dentistry (SAID) guidelines, 1995). Data analysis using Spearman correlation with significance level (0,05). The result of this research is p = 0.185 (> 0.05), it shows that there is no significant correlation between parent role to oral and brushing skills in intellectual disability children in SLB Pamardi Putra Banguntapan Yogyakarta.]]>
<![CDATA[ANALISIS KURVA RESESI ALIRAN DASAR MENGGUNAKAN MODEL RESERVOIR LINIER RECESSION CURVE HYDROOFFICE PADA DAS WURYANTORO KABUPATEN WONOGIRI PROPINSI JAWA TENGAH ]]>
<![CDATA[Bokiraiya Okky Latuamury]]>
<![CDATA[ Jurnal Teknosains Vol 7, No 1 (2017): December ]]>
Publisher : <![CDATA[Universitas Gadjah Mada ]]>
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DOI: 10.22146/teknosains.32395
<![CDATA[The hydrograph recession curve expresses the theoretical relationship between the aquifer structure and the flow of groundwater flowing into the river basin channel. These theoretical relationships are often empirically depicted using the base flow recession curve. The hydrograph recession curve is commonly used to estimate the recessionary parameters, aquifer properties and to evaluate alternative hydrological hypotheses. The river basin hydrograph recession curve records the behavior of the relationship between the aquifer structure and its association with groundwater outflow to the river channel. This research was conducted with the aim: to analyze the characteristics of the baseflow recession based on the parameters and coefficients of the recession, and the shape of the individual recession curve and the master recession curve. The characteristics of the baseflow recession to research sub-watershed have the recession curves tend to sloped, describing the water storage well enough. The parameter Q0 (recession early), α and the recession constant Krb ranging from 0,80 – 0,90 for the individual and master recession curve in all three research sub-watershed. This calculation result indicates that the recession characteristics in three research sub-watershed have the condition of water storage is excellent, because they are supported by the aquifer characteristics dominated by the geological structures are more permeable (porous).]]>
<![CDATA[ENHANCING CAPACITY OF LOCAL COMMUNITY TOWARDS AGRICULTURAL DROUGHT (CASE IN PLOSO VILLAGE, YOGYAKARTA) ]]>
<![CDATA[Dina Ruslanjari]]>
<![CDATA[ Jurnal Teknosains Vol 7, No 1 (2017): December ]]>
Publisher : <![CDATA[Universitas Gadjah Mada ]]>
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DOI: 10.22146/teknosains.33152
<![CDATA[This paper reveals the capacity enhancement efforts for local community and assessing their vulnerability level regarding the drought event in Ploso Village of Gunungkidul Regency – Yogyakarta Special Province. The vulnerability assessment was conducted to measure the impact of agricultural drought and also focusing on enhancing the community’s absorbing capacity, buffering capacity and local response capacity. The village drought vulnerability assessment was conducted by using indicator-based calculation towards 50 family-heads of Ploso Village as the assessment samples. Absorbing capacity enhancement was conducted by facilitating and educating local farmers to conduct organic farming as well as increasing their local response capacity by focusing on rainwater harvesting, while buffering capacity enhancement is conducted by empowering the housewives for creating alternate household income The disaster preparedness community is created as the centre of intervention to educate local people about drought disaster and preparing the local teenagers to become future focal points in their area.]]>
<![CDATA[PENGUKURAN PARAMETER KUALITAS UDARA (CO, NO2, SO2, O3 DAN PM10) DI BUKIT KOTOTABANG BERBASIS ISPU ]]>
<![CDATA[Agusta Kurniawan]]>
<![CDATA[ Jurnal Teknosains Vol 7, No 1 (2017): December ]]>
Publisher : <![CDATA[Universitas Gadjah Mada ]]>
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DOI: 10.22146/teknosains.34658
<![CDATA[Bukit Kototabang, West Sumatera is one of the 34 global global (Global scale) monitoring stations in the world. Bukit Kototabang GAW Station is an implementation of the Global Atmosphere Watch (GAW) program initiated by the World Meteorological Organization (WMO) as an effort to monitor global atmospheric conditions. The Global Atmospheric Watch (GAW) Stations have duty to obtain atmospheric data and air quality data in remote area or relatively clean areas and far away from anthropogenic activity. Measurements of air quality parameters (CO, NO2, SO2, O3 and PM10) are continuously conducted at Bukit Kototabang. The monitoring data at Bukit Kototabang GAW Station in 2012 which is converted to Indonesian Air Pollution Standard Index shows the air quality is still good, shown by 353 days classified as clean (index = 0-50), 10 days is moderate (index = 51-100), and 1 day is very unhealthy (index = 200-299). That means 3% of daily air quality in Bukit Kototabang in 2012 is not good. ]]>
<![CDATA[AN ADAPTIVE POWER SYSTEM STABILIZER BASED ON FOCUSED TIME DELAY NEURAL NETWORK ]]>
<![CDATA[Widi Aribowo]]>
<![CDATA[ Jurnal Teknosains Vol 7, No 1 (2017): December ]]>
Publisher : <![CDATA[Universitas Gadjah Mada ]]>
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DOI: 10.22146/teknosains.35130
<![CDATA[In this paper, Power System Stabilizer is designed in Single Machine Infinite Bus (SMIB) and speed control is implemented with a dynamic topology based on Focused Time Delay Neural Network (FTDNN). In case of prediction and control, two individual strategies are concerned for the current projects. The first is identification the dynamics of system. The other is an optimization unit expected for minimization disturbances. The performance of the system with FTDNN-PSS controller is compared with a Conventional PSS (C-PSS), RNN-PSS and DTDNN PSS. The results show the effectiveness of FTDNN-PSS design, and superior robust performance for enhancement power system stability compared to Conventional PSS with different cases.]]>
<![CDATA[SERI METHODS IN MOLECULAR BIOLOGY ]]>
<![CDATA[Retno Ardhani]]>
<![CDATA[ Jurnal Teknosains Vol 7, No 1 (2017): December ]]>
Publisher : <![CDATA[Universitas Gadjah Mada ]]>
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DOI: 10.22146/teknosains.36989
<![CDATA[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.]]>
