نتایج جستجو برای: carbonate and bicarbonate
تعداد نتایج: 16832813 فیلتر نتایج به سال:
Due to the scarcity of water resources at present time in Thi-Qar governorate, many people and farmers resort using groundwater well for all purposes meet their daily needs. Therefore, it is important evaluate quality determine its suitability different uses. researchers this study dealt with evaluating some physical chemical properties wells located Al-Rifai city governorate / southern Iraq du...
Using seasonal floods is very important in arid and semi arid areas. Suspended sediments in the flood are caused changes in soil properties. The aim of this study is to investigate the soil chemical and physical properties affected by low quality floods irrigation. Sampling from three phases, in each phase three points (beginning, middle and end of the row) and in the depths of 30-0, 60-30 and ...
Intestinal fluids of most marine teleosts are alkaline (pH 8.4-9.0) and contain high levels of HCO(3)(-) equivalents (40-130 mM) which are excreted at a significant rate (>100 microEq kg(-1) h(-1)). Recent research reveals the following about this substantial HCO(3)(-) secretion: (1) It is not involved in acid-base regulation or neutralisation of stomach acid, but increases in parallel with dri...
In this study, solid state fermentation (SSF) was carried out to produce single cell protein (SCP) from sugarcane bagasse using Saccharomyces cerevisiae. The SSF experiment were performed in a tray bioreactor. The influence of several parameters including extraction buffer, initial moisture content of substrate, fermentation time, relative humidity in bioreactor, the bioreactor temperature and ...
A comprehensive Car-Parrinello molecular dynamics (CP-MD) study of aqueous solutions of carbonic acid (H(2)CO(3)), bicarbonate (HCO(3)(-)), carbonate (CO(3)(2-)), and carbon dioxide (CO(2)) provides new quantitative insight into the structural and dynamic aspects of the hydrogen-bonding environments for these important aqueous species and their effects on the structure, H-bonding, and dynamical...
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