نتایج جستجو برای: sodic calcic and potassic alterations
تعداد نتایج: 16837401 فیلتر نتایج به سال:
1699-258X/$ see front matter © 2010 Elsevier España, S.L. All rights reserved. We present the case of a 50 year old woman who was diagnosed with undifferentiated connective tissue disease (UCTD), based on severe Raynaud’s phenomenon with ischemic ulcers, extensive calcinosis, sclerodactilia, polyarthritis, glomerulonephritis, polyserositis, chronic hypertransaminasemia and had undergone the bil...
The objectives of this study were to investigate the degree of spatial variability and variance structure of salinization parameters using classical and geostatistical method in Songnen Plain of China, which is one of largest saline-sodic areas in the World, and to analyze the relationship between salinization parameters, including soil salinity content (SC), electrical conductivity (EC), sodiu...
In situ remediation technologies for contaminated soils are faced with significant technical challenges when the contaminated soil has low permeability. Popular traditional technologies are rendered ineffective due to the difficulty encountered in accessing the contaminants as well as when employed in settings where the soil contains mixed contaminants such as petroleum hydrocarbons, heavy meta...
Closed pore glass foams with dimensions of 60mm × 20 mm were produced using agro-industrial residues. Samples containing sodo-calcic powder (78%wt) and rice husk ash (16%wt) characterized, their technological properties investigated. The samples synthesized in a conventional muffle furnace at 750–800–850 °C. results presented for apparent density (0.24–0.29 g/cm3), compressive strength (1.5–2.3...
The reclamation of salt-affected soils which occur on 831×106 ha can be effective in increasing agricultural production. Cultivation of plant species which are resistant to salinity can improve the soil by increasing the solubility of calcite and releasing the calcium in soil solution. This study was conducted as a column experiment with a saline-sodic soil (SAR = 23.8, EC= 12.88 dS m-1, pH= 7....
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