نتایج جستجو برای: saline and alkaline region
تعداد نتایج: 16899144 فیلتر نتایج به سال:
The synchronization of salt stress and dominance of calcareous soils in warm and dry climate regions has led to alkaline salinity stress in vineyards. In this study, the effects of salinity and bicarbonate stresses (alone or in combination) on photosynthetic reactions and nutrient variations of Vitis vinifera ‘Shahroudi’ as a susceptible grape cultivar were evaluated. Using stenting method, sci...
FOR MARS. L. J. McHenry, V. F. Chevrier, and C. Schröder, Department of Geosciences, University of WisconsinMilwaukee, PO Box 413, Milwaukee, WI 53201, [email protected], W.M. Keck Laboratory for Space and Planetary Simulation, Arkansas Center for Space and Planetary Science, MUSE 202, University of Arkansas, Fayetteville, AR 72701, Institut für Anorganische Chemie und Analytische Chemie, Johann...
drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...
Leymus chinensis has extensive ecological adaptability and can grow well in saline-alkaline soils. The knowledge about tolerance mechanisms of L. chinensis could be base for utilization of saline-alkaline soils and grassland restoration and rebuilding. Two neutral salts (NaCl : Na₂SO₄ = 9 : 1) and two alkaline salts (NaHCO₃ : Na₂CO₃ = 9 : 1) with concentration of 0, 100, and 200 mmol/L were use...
1. This study aimed to determine the effect of luminal butyrate on proliferative kinetics, a differentiation marker (alkaline phosphatase), and a molecule that controls cell-substratum adhesion (urokinase) in histologically normal human rectal mucosa. 2. Ten subjects with a colonoscopically normal colon (seven had previous adenomas) were given either butyrate or saline enemas for 4 days in a do...
This article discusses the development of compositions new, effective, water-soluble fixatives-reagents based on local raw materials and industrial waste. A technology has been developed for obtaining using new types complex additives-fixers hydrolyzed polyacrylonitrile polyelectrolyte, which can be recommended implementation when fixing saline soils sands Aral region. Chemical reagents have se...
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