نتایج جستجو برای: secondary mineral
تعداد نتایج: 366918 فیلتر نتایج به سال:
We undertook a sensitivity analysis of the key demand factors leading to changes of energy consumption in the competitive market, using a Leontief demand-driven approach. We applied the Leontief model to previous research results to study the most sensitive factors leading to the change of energy demand in different economic sectors. Based on the 2011 Iranian symmetrical input–output table, the...
Nowadays, organic fertilizers play an important role in agriculture. They are progressively substituting chemical fertilizers to prevent their harmful impact on human health and the environment. They provide high yield, better quality products and a shorter period of harvesting crops. In this study, the mineral elements: primary macronutrient (N, PO3- and K+), secondary macronutrient: (Ca2+, Mg...
Study of lamproites from Leucite Hills, Wyoming, indicates that the isotopic compositions of some specimens have been modified due to the alteration and/or the presence of secondary carbonate impurities within the whole rocks. Leachate test shows that while phlogopite lamproites are not affected by secondary processes, the transitional madupitic lamproites from Middle Table Mountain and on...
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