نتایج جستجو برای: sodic calcic and potassic alterations

تعداد نتایج: 16837401  

2001
GUOCHUN ZHAO PETER A. CAWOOD SIMON A. WILDE LIANGZHAO LU

Both highand medium-pressure granulites have been found as because of the absence of modal minerals. The combination of petrographic textures, mineral compositions, metamorphic reaction enclaves and boudins in tonalitic–trondhjemitic–granodioritic gneisses in the Hengshan Complex. Petrological evidence from these history, petrogenetic grids and thermobarometric data defines a nearrocks indicate...

Journal: :The Journal of the Society of Chemical Industry, Japan 1948

H Sakhaei-Rad M Valipour,

Soil correction is one of the ways in agriculture lands development. The sodic ion alongside salin vocalizes the salin-sodic soil and cause divulge in plants growth. So necessary coure of action for the Soil correction by physical and chemical ways such as usage of calsium on the leaching is inevitable. In this study, area soils are digged from deep profiles of 0-20, 20-40, 40-60, 60-80 and 80-...

Journal: :Regulatory toxicology and pharmacology : RTP 2008
Graham W Gibbs Geoffrey Berry

The current state of knowledge concerning mesothelioma risk estimates is reviewed. Estimates of the risk of mesothelioma exist for the commercial asbestos fiber types chrysotile, amosite and crocidolite. Data also exist on which to assess risks for winchite (sodic tremolite) and anthophyllite asbestos. Uncertainty in estimates is primarily related to limitations in measurements of exposure. Dif...

Journal: :The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science 1887

ژورنال: علوم آب و خاک 2012
حبیب خداوردی‌لو, , رقیه حمزه‌نژاد تقلیدآباد, , سالار رضاپور, , شهرام منافی, ,

Soil contamination with heavy metals, including Cd and Pb, is of serious concern. The aim of this study was to investigate the efficiency of Atriplex verucifera, Salicornia europaea and Chenopodium album for simultaneous remediation of soil exchangeable sodium percentage and Cd and Pb contamination in two soils with different properties. Two soils, including a saline-sodic-calcareous (S1) and c...

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