نتایج جستجو برای: sangan and chadormalu
تعداد نتایج: 16827188 فیلتر نتایج به سال:
prioritizing the reclamation criteria during mines closure (golgohar, sangan, chadormalu iron mines)
introduction development of natural resources and mining activities are prerequisite for economic and industrial growth in many countries. in many cases, such mining areas lie within residential or agricultural lands or natural habitats intensifying the contradiction between land use and environmental protection. different components of mining activities including exploration, extraction and pr...
Both Sangan and Tannurjeh magnetite deposits are Iron-oxides type. Geochemistry and petrography of source rocks at Tannurjeh and Sangan were studied in detail. The source rocks at Sangan are compused of quartz hornblende alkali syenite porphyry and quartz biotite-hornblende alkali syenite porphyry ; while The source rocks at Tannurjeh varies between hornblende quartz diorite porphyry and h...
in this study, the isothermal reduction of iron oxide pellets, made of iranian chadormalo, gole-gohar, and sangan iron ores, was investigated in the temperature range of 900-1100°c. tabas, pabdana, babnizoo, karmozd, and shahrood domestic coals were used as reductants. parametric studies were performed and the effects of such factors as temperature, average particle size of iron ore and coal fi...
This study by Sangan Sookdeb explored the factors that determine the time interval between men suffering the onset of erectile disorder and their presentation for treatment. As prognosis is considered to be related negatively to the length of time a man suffers erectile disorder understanding factors that delay presentation may identify changes in practice methods that will encourage earlier pr...
In this study, the isothermal reduction of iron oxide pellets, made of Iranian Chadormalo, Gole-gohar, and Sangan iron ores, was investigated in the temperature range of 900-1100°C. Tabas, Pabdana, Babnizoo, Karmozd, and Shahrood domestic coals were used as reductants. Parametric studies were performed and the effects of such factors as temperature, average particle size of iron ore and coal fi...
Kegiatan rekreasi disebabkan dari kejenuhan siswa belajar,maka perasan sekolah juga menyiasati dengan melakukan karya wisata rekreasi,dengan teman sejawat tanpa sekolah,atau kelompok-kelompok sangan-sangan pras penelitian kegiatan di pantai pasir putih dilakukan mempunyai tujuan pedagogik. jenis yang digunakan yakni deskriptif kualitatif. penelitiannya menggunakan beberapa metode pengumpulan da...
a total of 40 samples from carbonates and 8 samples from silicate rocks were analyzed from the sangan iron skarn deposit to examine behavior of the oxygen and carbon isotopes. the higher values of ?18o are from metamorphic calcite and dolomite and lower ones are from granitic rocks. although the ?18o and ?13c values of calcite and dolomite in marble yield the highest values in the sangan deposi...
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