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Ramadanus Ramadanus
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Immunology & microbiology Materials Science & Nanotechnology

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Prospek Batuan Volkanik Sebagai Batuan Induk Mineralisasi Uranium di Sumatera: Aspek Litologi Sumantri Sumantri; Ramadanus Ramadanus; Soeprapto Soeprapto
Widyanuklida Widyanuklida, Volume 2 Nomor 1, Februari 1999
Publisher : BATAN

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Abstract

ABSTRAK Kajian litologi pada batuan volkanik dilakukan pada empat kaldera tua di daerah Sibolga, Singkarak, Pelepat dan Baturaja yang telah dilokalisir sebagai daerah prospek Uranium melalui kajian aspek geodinamik. Kajian litologi ini dilakukan untuk menentukan urutan daerah prioritas kedapatan Uranium dengan menggunakan data sekunder. Aspek yang dianalisis dari data sekunder ini adalah kondisi reaktivitas magma, volkanisme, gejala alterasi, kadar uranium dan radioaktivitas. Dari hasil kajian didapatkan urutan prioritas dari yang tertinggi adalah Singkarak, Sibolga, Pelepat dan Baturaja. ABSTRACT Litological assessment of volcanic rocks has been implemented on the six old calderas located in Sibolga, Singkarak, Pelepat and Baturaja that had been localized as uranium prospect areas through geodinamical assessment. The litological assessment is done to construct the priority scale on the possibility of uranium occurences in the areas, by using secondary data. Aspects evaluated from the data are magmatic and volcanic reactivation, alteration, uranium content. and radioactivity. It has been found that the priority scale of the old calderas from the highest is Singkarak, Sibolga, Pelepat and Baturaja.
FAKTOR-FAKTOR YANG MEMPENGARUHI KONSUMSI PANGAN SUMBER KARBOHIDRAT DI PROVINSI SUMATERA BARAT Ramadanus Ramadanus; Suardi Tarumun; Elinur Elinur
DINAMIKA PERTANIAN Vol. 28 No. 2 (2013): Jurnal Dinamika Pertanian volume XXVIII, Nomor 2 2013
Publisher : UIR Press

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This study aims to determine the factors affecting food consumption as carbohydrate sources in the province of West Sumatra. The data used is the data for Socio-Economic Survey of 2011 which is sourced from Statistics of West Sumatra Province. To see the factors that affect food consumption models built carbohydrate Almost Ideal Demand System (AIDS) were analyzed by the method of Seemingly Unrelated Regresion (SUR). Results of the study showed that the factors that influence food consumption of carbohydrate source is the price of the commodity itself, other commodity prices, education, household income, household mother, spending on consumption and region of residence. Response to price themselves commodities carbohydrate food sources are negative which indicates that all categories of commodities including normal goods. Shows the cross-price response substitution and complementary relationships between each commodity, all revenue Response carbohydrate food commodities is positive, which means that all commodities including staple goods. Increase residents' income to reduce the negative impact of rising food prices carbohydrate source. The strong response to changes in the price of rice to other commodities indicates that policy interventions are still needed in the field of rice. Tubers for food need to be improved so that the availability of these more stable commodity prices in the market because the requested amount is influenced by the price.
Co-Authors Elinur Elinur Soeprapto Soeprapto Suardi Tarumun Sumantri Sumantri