نتایج جستجو برای: negative and negative
تعداد نتایج: 16862713 فیلتر نتایج به سال:
in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...
aims: the internal unit and icu of hospitals are a suitable environment for growing of bacteria such as staphylococcus epidermidis and pseudomonas, acinetobacter. the aim of our study was to evaluate the effect of different disinfectants on bacteria isolated from the surface of hospitals in isfahan. instrument & methods: in this study, 200 samples were randomly selected from different parts of ...
conclusions it may be concluded based on the results of this study that unified transdiagnostic treatment is effective on recovery of social anxiety and negative and positive affects among the students. therefore, clinical therapists are advised to use this intervention. results results showed a significant difference between experimental and control groups in terms of social anxiety and negati...
many studies have been conducted on the characteristics of hydraulic jumps over horizontal basins. on sloping basins, however, few such studies have been performed so that the issue requires more investigation. a significant number of studies has also been conducted on basins with positive slopes but comparatively few have been carried out on basins with negative slopes. this study was carried ...
as a culture-based phenomenon which involves both linguistic and social aspects, translation has beeninvestigated from various perspectives. the present critical discourse analysis (cda)-based study isan attempt to probe into the manipulation of ideologies in translations of political texts. a cda approach,based on fairclough (1989), van dijk (2004) and farahzad (2007), was adopted to conductth...
computer anxiety as a kind of state anxiety that refer to “the negative emotional and cognitive reactions in some people that occur during work with the computer” and maybe considered as a challenge to their capabilities. in the present study, computer anxiety and positive and negative attitudes to it were examinated among undergraduate students of kangavar payam-e-noor university. this descrip...
in the previous two parts of educational manuscript series in emergency, we explained some screening characteristics of diagnostic tests including accuracy, sensitivity, specificity, and positive and negative predictive values. in the 3rd part we aimed to explain positive and negative likelihood ratio (lr) as one of the most reliable performance measures of a diagnostic test. to better underst...
as a culture-based phenomenon which involves both linguistic and social aspects, translation has beeninvestigated from various perspectives. the present critical discourse analysis (cda)-based study isan attempt to probe into the manipulation of ideologies in translations of political texts. a cda approach,based on fairclough (1989), van dijk (2004) and farahzad (2007), was adopted to conductth...
just as motivation is important in sla research, demotivation constitutes an important factor, too. there are many studies done on demotivation and burnout of teachers. many of these studies have been conducted on one or two aspects of english instruction. consequently, there are few studies which have been done on more than two aspects of english teaching. the aim of this study is to find out ...
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