Alkalinity of paper as calcium carbonate (alkaline reserve of paper)
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Effect of alkalinity type and concentration on nitrifying biofilm activity.
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Ocean acidification is a threat to many marine organisms, especially those that use calcium carbonate to form their shells and skeletons. The ability to accurately measure the carbonate system is the first step in characterizing the drivers behind this threat. Due to logistical realities, regular carbonate system sampling is not possible in many nearshore ocean habitats, particularly in remote,...
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Background: Due to different such as some sexrelated illnesses, spouses have been encourage to designate special treatments for assessing sexuality. Moreover, Utilizing from identifying sexulityb has been an important aim in industry in order to product humans needs and develop cattle. In this research, the effect of alkaline environments were examined migration spermatozoa for sex selection. M...
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تاریخ انتشار 1998