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S. Widodo
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Materials Science & Nanotechnology Veterinary Other

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Analisis Konsumsi Daging Sapi Di Provinsi Papua Barat T.W. Widayati; S. Widodo; Masyhuri Masyhuri; A. Suryantini
Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) Vol 13, No 2 (2011): Jurnal Peternakan Indonesia
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpi.13.2.149-157.2011

Abstract

The study aims to determine the level of beef consumption and the factors that influence the consumption of beef in West Papua. The data used in this study are monthly time series data of BPS, sourced from all districts in the province of West Papua from 1990 to 2004. Data were analyzed by using multiple linear regression equation by Ordinary Least Square method. The results showed that the average beef consumption per capita per year for people of West Papua is 0.79 kg. The increasing of population and income per capita affected the increasing of beef consumption significantly. Increasing the price of chicken meat, pork prices and the price of rice has significant effect of reducing domestic consumption of beef. Increasing the price of tuna, squid and sweet potatoes have a significant effect in increasing of the domestic consumption of beef.
Keberadaan Usaha Tani Sapi Perah Penghasil Bahan Baku Industri Pengolahan Susu di Daerah Istimewa Yogyakarta Sudi Nurtini; S. Widodo; K. A. Santosa; Masyhuri (Masyhuri)
Buletin Peternakan Vol 29, No 2 (2005): Buletin Peternakan Vol. 29 (2) Mei 2005
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v29i2.1172

Abstract

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Study Of Solid Planar Source For Phosphorus Diffution Process On Semiconductor Devices Fabrication S. Widodo
Reaktor Volume 6 No. 1 Juni 2002
Publisher : Dept. of Chemical Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3457.364 KB) | DOI: 10.14710/reaktor.6.1.35-39

Abstract

The sourcing lifetimes, microstructural staility, and diffution performance of a new solid planar phosphorus source for silicon doping were investigated in the temperature range 900-1000 0C. The source wafers were highly porous ceramic wafers containing 25 weight percentage (w/o) SiP2O7 as the “active” component in an inert refractory binder matrix. The microstructural stability and thermografimetric analysis (TGA) result indicated the structural integrity and sourcing ability of this materials at temperatures of at least 1050 0C. Theoretical lifetimesof 260 and 3400 hr at 1000 and 900 0C, respectively, have been predicted from the TGA results. Experimental data relating sheet resistance, junction depth, and diffution coefficient for silicon wafers doped using these source wafers are presented. Special material handling procedure are also described. Keywords : diffution process, solid phosphorus source, SiP2O5, semiconductor devices
Co-Authors A. Suryantini K. A. Santosa Masyhuri (Masyhuri) Masyhuri Masyhuri Sudi Nurtini T.W. Widayati