نتایج جستجو برای: efficient groups
تعداد نتایج: 1146661 فیلتر نتایج به سال:
efficiency calculations for units belonging to one group according to data envelopment analysis widely have received attention; while experiences related to efficiency comparison of several groups consisted of decision making units is restricted. kao's parallel system network dea model that has been designated aimed at such a comparison, practically leads to accomplish comparison among uni...
this study investigated the effect of prior knowledge on the listening comprehension performance of fl learners. twenty students, male and female, drawn from the two intact groups of the senior and junior english language and literature majors were chosen as the participants of this study . the two groups were then randomly assigned into the experimental and control group. the experimental gr...
Developing high-performance adsorbents for heavy metal (Cr (VI)) removal is essential sustainable environments, but it still challenging. Herein, a simple solvothermal method was proposed to fabricate Zr-MOFs (UiO-66), which innovatively modified by amino groups enhance the adsorption capacity of Cr (VI). The effects content amino-functionalized ligands on and influence adsorbent content, solut...
abstractof two mcall programs introducing 100 vocabulary items through two im the researcher of the present study was intrigued to compare the effects age modalities (pictures and streaming video) with those of a conventional method (teacher instruction) in an efl context. she set out to investigate whether such multimedia environments could provide a more effective environment for vocabulary...
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