نتایج جستجو برای: although sodium is toxic element for cell metabolism
تعداد نتایج: 12717511 فیلتر نتایج به سال:
bekenstein and hawking by introducing temperature and every black hole has entropy and using the first law of thermodynamic for black holes showed that this entropy changes with the event horizon surface. bekenstein and hawking entropy equation is valid for the black holes obeying einstein general relativity theory. however, from one side einstein relativity in some cases fails to explain expe...
saccharomyces cerevisiae (baker’s yeast) can exhibit sustained oscillations during the operation in a continuous bioreactor that adversely affects its stability and productivity. because of heterogeneous nature of cell populations, the cell population balance equation (pbe) can be used to capture the dynamic behavior of such cultures. in this work, an unstructured-segregated model is used for d...
attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...
as some definitions show, idioms are expressions whose meanings cannot be obtained from individual words. in every society, people use their own conceptions and feelings through different idioms and expressions. so every culture and society has their own idioms. some scholars proposed methods for translating idioms but baker’s strategies are very important and constructive. this research tried ...
Manipulating cell cultures by elicitors is one of the important strategies for induction of valuable metabolites in plant biotechnology. Therefore, in this study the effect of ultrasound and salinity on growth, primary and secondary metabolite production was studied in Dunaliella salina microalgae cell culture. Cell cultures were treated with sodium chloride salt at concentrations of 2 and 3 M ...
Zinc has been shown to be an element essential to the life and growth of rats, but as yet there is no clear indication of what its function may be in metabolism. There are several reports of the occurrence of zinc in pure biological compounds. Scott and Fisher (1) have shown zinc to be necessary for the crystallization of insulin, although other metals were also effective. Keilin and Mann (2) r...
nowadays, technical terminology translation plays an important role in human life. specific groups of people all over the world refer to learn these terminologies in order to be familiar with a subject and improve their knowledge in that domain. on the other hand, saving the technical translation equivalent is a particularly salient challenge for technical translators. the present study was con...
Nickel is an essential element for all living organisms such as microorganisms, plants and animals. When nickel concentration exceeds the necessary concentration, could be toxic, and likewise causes adverse effects in living organisms. In this study, following determining nickel LC50-96h for common carp (Cyprinus carpio), nickel sub-lethal treatments including 0 (control), 0.055, 0.275, 0.572, ...
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