نتایج جستجو برای: before the revolution
تعداد نتایج: 16074166 فیلتر نتایج به سال:
Many view the period after the Second Industrial Revolution as a paradigm of a transition to a new economy following a technological revolution, including the Information Technology Revolution. We build a quantitative model of diffusion and growth during transitions to evaluate that view. With a learning process quantified by data on the life cycle of US manufacturing plants, the model accounts...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
development programs and its consequences on the occupational structure of rural iran (1956 to 2006)
iran has experienced significant changes in the distribution of employed population of ruralareas in major professional categories in the years 1956 to 2006. accordingly, it is important to studythe changes in occupational structure, factors influencing these changes, and their implications. themethodology of this study is documentary and secondary analysis. moreover, in order to explain whythe...
1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...
the information revolution is one of the important problem that affects many aspects our life. this revolution and it’s technology not only increase the actors in international relations but also creates the new rules and new space. because, this revolution and it’s political effects , the main purpose of this paper is the examination of international relations theories about this problem. so i...
this study was performed to investigate the effects of refining on the mechanical and optical properties of waste newspaper. waste newspapers were prepared from gorgan ettelaat newspaper agency and were cut to 5 centimeter pieces, and then were soaked with sufficient distillated water. after 1 day fibers were separated by disintegrator and freeness values for each pulp before and after refining...
Development Programs and its Consequences on the Occupational Structure of Rural Iran (1956 to 2006)
Iran has experienced significant changes in the distribution of employed population of ruralareas in major professional categories in the years 1956 to 2006. Accordingly, it is important to studythe changes in occupational structure, factors influencing these changes, and their implications. Themethodology of this study is documentary and secondary analysis. Moreover, in order to explain whythe...
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