نتایج جستجو برای: zinc processing
تعداد نتایج: 571321 فیلتر نتایج به سال:
The radioisotope 67Ga (T 1/2 = 78 h) in extensively used as single photon marker for detecting the presence of malignancy and the diagnosis of inflammatory diseases. The high tumor specificity of carrier-free 67Ga make it one of the most interesting radionuclides in nuclear medicine for in vivo scanning studies. 67Ga is a cyclotron produced radioisotopes and is one of the radiopharmaceuti...
the purpose of the present study was to see which one of the two instruction-processing instruction (pi) and meaningful output based instruction (mobi) accompanied with prompt and recast- is more effective on efl learners’ writing accuracy. in order to homogenize the participants in term of language proficiency a preliminary english test (pet) was administrated between 74 intermediate students ...
Wheat, like many other staple cereals, contains low levels of the essential micronutrients iron and zinc. Up to two billion people worldwide suffer from iron and zinc deficiencies, particularly in regions with predominantly cereal-based diets. Although wheat flour is commonly fortified during processing, an attractive and more sustainable solution is biofortification, which requires developing ...
Background and Objectives: Heavy metals processing industry has always been a major cause of concern which affects soils, surface waters, ground waters and river sediments contaminations. Thus, the Zanjan Zinc and Lead Smelting Plant has been considered as a potential source of contamination.Mterials and Methods: This cross-sectional study has been conducted in February 2008 in the site region ...
Fifty rice varieties collected under different categories from various sources were grown at the BRRI field during the 2001 transplant aman season ( July–November). Precautions were taken during harvest and processing to prevent mineral contamination. All samples were hand-pounded before being analyzed for iron and zinc content. The iron and zinc content varied considerably within the different...
In presented work authors analyzed the high-temperature oxidation process from the point of view of its influence on effects obtained during cast iron hot-dip zinc coating. Research concerned the influence of the high-temperature oxidation, as a preliminary stage previous to coating with zinc on the change of surface layer structure as well as subsurface layer of cast iron with flake, vermicula...
The purpose of this lab is to determine if earthworms are capable of detecting high levels of zinc in their environment. In order to test this, worms were placed in the middle of four quadrants, each containing a different concentration of zinc.The worms were then observed for twenty minutes to see which quadrants they decided to burrow in. Our results show that the worms would burrow into a qu...
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