نتایج جستجو برای: 30 and 60 kgha
تعداد نتایج: 16930864 فیلتر نتایج به سال:
When surfaces with anisotropic texture are moved in different directions related to their assembled counterpart during operation, the friction conditions change, as they determined by lay of topographies. In article, contributing exploration this characteristic, we analyze inhomogeneity topography on a face milled plane surface symmetrical setting sections at an angle 30° or 60° feed direction....
this study attempted to explore if teaching english collocations through two different modes of awareness-raising and input flooding has any possible differential effect on immediate retention as well as retention in a delayed assessment. it also compared the possible differential effect of teaching english collocations implicitly and explicitly on actively using the items in writing. m...
in order to investigate the effects of input intensity on species diversity, composition and density of weeds in corn (zea mays l.), an experiment was conducted based on a randomized complete block design with three replications at the agricultural research station, ferdowsi university of mashhad, iran during the year 2009. treatments included low input, medium input and high input systems. low...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
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