نتایج جستجو برای: heavy minerals

تعداد نتایج: 146769  

Journal: Geopersia 2018

The Chah-Shaljami polymetal ore deposit contains heavy metal anomalies in various mineralization zones. Geochemical distribution and correlation of elements in surficial soilsindicate that sulfide, sulfate, sulfosalt and silicate mineral occurrences (e.g. Pyrite, chalcopyrite, galena, sphalerite, molybdenite, enargite, hornblend and biotite) in mineralization and stockwork zones resulted in the...

Journal: :زمین شناسی اقتصادی 0
مهدی هاشمی گهرویی بهنام شفیعی بافتی غلامحسین شمعانیان حسین تقی زاده

in order to assess the potential of copper mineralization and its associated elements in soltan meydan basaltic formation situated in the north of shahrud, the method of stream sediment and heavy mineral has been used. to achieve this aim, totally 68 samples of sediments (-80 mesh in particle size) and 6 samples of heavy minerals (-20 mesh in particle size) have been collected in an optimized n...

2001
VIRGINIA WORTHINGTON

Objectives: To survey existing literature comparing nutrient content of organic and conventional crops using statistical methods to identify significant differences and trends in the data. Design: Published comparative measurements of organic and conventional nutrient content were entered into a database for calculation. For each organic-to-conventional comparison, a percent difference was calc...

2010
Lin Jia Wuyi Wang Yonghua Li Linsheng Yang

Yucheng City is located in northwestern Shandong Province, China, and is situated on the Huang-Huai-Hai Plain, the largest alluvial plain in China. In this study, 86 surface soil samples were collected in Yucheng City and analyzed for cation exchange capacity (CEC), soil organic matter (SOM), pH, available phosphorus (avail. P), phosphorus (P), aluminum (Al), and iron (Fe). These soils were als...

Journal: :IOP Conference Series: Earth and Environmental Science 2020

Journal: :IOP Conference Series: Materials Science and Engineering 2018

2017
Fiaz Alam Qazi Najam us Saqib Mohammad Ashraf

BACKGROUND Gaultheria trichophylla (Royle) is used as food and for treating many ailments in folk medicine especially against inflammation. The purpose of this in vitro study was to evaluate the ability of extracts of G. trichophylla as anti-oxidant and anti-inflammatory agent and for its mineral contents. METHODS Powdered plant material (100 g) was extracted with 100 ml each of methanol, chl...

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