نتایج جستجو برای: 4 parameters ph
تعداد نتایج: 1934224 فیلتر نتایج به سال:
This study focused upon the determination of physicochemical and microbial properties, including metals, selected anions and coliform bacteria in drinking water samples from hand-dug wells in the Kumasi metropolis of the Republic of Ghana. The purpose was to assess the quality of water from these sources. Ten different water samples were taken from different parts of Kumasi, the capital of the ...
Four parameters affecting hydrothermal pretreatment (HTP) of municipal sludge prior to anaerobic digestion and fermentation were investigated. Partial factorial design including several key HTP at two distinct levels, temperature (170 190 °C), retention time (RT) (10 30 min), pH (4 10), solid content (SC) (4% 16%), studied. Further, the impact on mesophilic thermophilic was explored compared. R...
AIM To study the relationship between erythrocyte aggregation and physical parameters: temperature and pH. MATERIAL AND METHODS Aggregation was evaluated using computerized image analysis by Aggregate Shape Parameter (ASP), defined as the ratio of the aggregate projected area to its square perimeter, and erythrocyte aggregation index (EAI). EAI was measured and compared at different temperatu...
INTRODUCTION The aim of this study was to evaluate the effectiveness of specific immunotherapy (SIT) management with allergoids in children with allergic asthma by monitoring changes in clinical parameters and inflammatory markers in exhaled breath. METHODS The study population included 43 patients (24 males) of 6-14 years of age, who had allergic asthma and were sensitized to mites. Twenty-t...
Background and Objective: Main sources of 4-chlorophenol wastewater are petroleum industry, coal, paper and resin production. The aim of this study was to compare the performance of raw and cationic surfactant modified nanoclay in removal of 4-chlorophenol from aqueous solutions. Materials and Methods: The influence of contact time, initial pH of solution, adsorbent dosage and 4-chlorophenol c...
Changes in the oxygenation properties and the relevant biochemical parameters of canine blood were followed during its storage in acid-citrate-dextrose (ACD) medium (4 degrees C) and after transfusion of the stored blood. Reductions of the blood P50 (pH 7.40, PCO2 40 Torr, 37 degrees C) and 2,3-diphosphoglycerate (DPG) during storage was much slower than in human blood. Half-decay time for DPG ...
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