نتایج جستجو برای: alkaline ph
تعداد نتایج: 203887 فیلتر نتایج به سال:
The present study was conducted with an objective to determine clinico-haematobiochemical changes in alkaline indigestion affected South Down sheep (n=28) in Kashmir valley. Ruminal fluid, urine and blood were examined for microscopic examination, pH and other haemato-biochemical changes. There was a significant increase in heart rate, respiration rate, ruminal pH, urinary pH, sedimentation act...
The hydrolysis of phosphate esters by a mutationally altered alkaline phosphatase from Escherichia coli was studied by both steady-state and transient-kinetic methods. The difference between the catalytic-centre activities of the mutationally altered and the wild-type alkaline phosphatases was found to vary with pH and at optimal pH values the modified enzyme had the higher activity. Stopped-fl...
Growth and differentiation of Candida albicans over a broad pH range underlie its ability to infect an array of tissues in susceptible hosts. We identified C. albicans RIM101, RIM20, and RIM8 based on their homology to components of the one known fungal pH response pathway. PCR product-disruption mutations in each gene cause defects in three responses to alkaline pH: filamentation, induction of...
pH is an important factor regulating plant growth. Here, we found that rice was better adapted to low pH than alkaline conditions, as its growth was severely inhibited at high pH, with shorter root length and an extreme biomass reduction. Under alkaline stress, the expression of genes for ethylene biosynthesis enzymes in rice roots was strongly induced by high pH and exogenous ethylene precurso...
Injection of alkaline solutions in reservoir leads to mineral dissolution and precipitation, possibly resulting in changes in permeability and porosity, and consequently altering solution pH. Accurate prediction of pH, alkali consumption and aqueous chemistry changes are required to design suitable chemical blends in alkaline-polymer (AP) or alkaline-surfactant-polymer (ASP) flooding. Excessive...
Great attention has been paid to the increasing amount of municipal sludge generated from wastewater treatment plants due to its potential risks to the surrounding environment. The municipal sludge, which mainly composed of polysaccharides, proteins as well as abundant groups of microorganisms, has been proved to be a promising biological material for hydrogen production by anaerobic fermentati...
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