نتایج جستجو برای: extensive variety of alteration
تعداد نتایج: 21171214 فیلتر نتایج به سال:
The Astaneh granitoid massif is located about 40 km to Arak city, central Iran, is a part of Sanandaj-Sirjan structural Zone. These intrusive rocks which are mainly composed of grnodioritic rocks, widely affected under hydrothermal alteration. The alteration zones, on the basis of field studies and mineralogy as well as the study of the REE behavior, are investigated in this paper. Eight altera...
In the religion of Islam, fasting is obligatory for healthy adults during Ramadan. Millions of Muslims around the world practice fasting in this holy month which may cause different metabolic and hormonal changes due to the restrictions in regular caloric intake. This article was aimed to review some possible effects of Ramadan fasting on the endocrine system which has a great impact on physiol...
sar-kuh porphyry copper deposit is located 6 km southwest of the sar-cheshmeh copper mine, kerman province, iran. based on field geology, petrography and fluid inclusions studies, four alteration types have been identified in the sar-kuh area. early hydrothermal alteration formed a potassic zone in the central parts of mamzar granite/grano-diorite stock and propylitic alteration in its peripher...
The variety of lithologies from Late Precambrian to Quaternary and suitable conditions for mineralization caused formation of Zarshuran gold and arsenic deposit in black schists, shale, limestone and dolomite. The ore paragenesis include As, Sb, Fe, Pb, Zn, Hg sulfides and gold along with fluorite, barite and quartz. The most important alteration is silicification which is more obvious in the o...
aluminophosphate-5 (alpo4-5) nano-pore zeolite was synthesized. the effect of alteration in precursor gel preparation on the morphology of zeolite was studied. the effect of variety of synthesis conditions on the purity, crystal and pore size, and crystallinity of alpo4-5 zeolite been studied. a hydrothermal synthesis has been used to produce nano-pore aluminophosphate-5 crystals. the crystals ...
The induction by chemical carcinogens of resistance to terminal differentiation in cultured mouse keratinocytes has been proposed to represent a cellular change associated with the initiation phase of skin carcinogenesis. Previous results with this culture model indicated that the number of differentiation-resistant foci was correlated with the dose and known potency for several chemical carcin...
This paper displays a powerful and visually impaired advanced picture watermarking procedure to accomplish copyright security. Keeping in mind the end goal to shield copyright material from unlawful duplication, different advances have been produced, similar to key-based cryptographic strategy, computerized watermarking and so on. In computerized watermarking, a mark or copyright message is fur...
The induction by chemical carcinogens of resistance to termi nal differentiation in cultured mouse keratinocytes has been proposed to represent a cellular change associated with the initiation phase of skin carcinogenesis. Previous results with this culture model indicated that the number of differentiation-resist ant foci was correlated with the dose and known potency for several chemical carc...
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