نتایج جستجو برای: production factor
تعداد نتایج: 1390346 فیلتر نتایج به سال:
in most studies in the field of international economics import is considered as a final consumer good in the consumption basket of consumers. accordingly, if import is considered as a factor of production, estimation of import demand function would be considered as an innovation. in this paper, with the use of shephard lema function, share of each factor of production in total costs has been e...
abstract human insulin-like growth factor i (higf-i) is a kind of growth factor with clinical significance in medicine. the major objective of this study is over- production of recombinant human insulin-like growth factor i( rhigf-i) through a developed process by recruiting effective factors in order to achieve the most recombinant protein. up to now e. coli expression system has been widely us...
The aim of the study was to determine the most important environmental factors (topography, climate, and soil) affecting changes in production and canopy cover of plant variations and to prepare prediction maps, based on the most important factor, in semi-steppe rangelands of Hir-Baghrou, Ardabil province, Iran. First, by detecting the vegetation types and different classes of environmental fac...
Background: The protein hormone granulocyte colony-stimulating factor (GCSF) stimulates the production of white blood cells and plays an important role in medical treatment of cancer patients. Methods: An efficient process was developed for heterologous expression of human GCSF in E. coli BL21 (DE3). The feeding rate was adjusted to achieve the maximum attainable specific growth rate under crit...
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