نتایج جستجو برای: structural formula
تعداد نتایج: 483600 فیلتر نتایج به سال:
this study examines the effetivenss of task-based activities in helping students learn english language structures for a better communication. initially, a michigan test was administered to the two groups of 52 students majoring in english at the allameh ghotb -e- ravandi university to ensure their homogeneity. the students scores on the grammar part of this test were also regarded as their pre...
in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...
Concepts of service quality and customer satisfaction as the most important problem in the theory and practice of marketing concepts are The article seeks to develop a scale to measure service quality and customer satisfaction is of SAIPA And creating a structural model of the relationship between the variables is tested. The research Saipa customers and employees have been The sampling was don...
INFERCNMR is an automated (13)C NMR spectrum interpretation aid for use either as a stand-alone program or as a component of a comprehensive, computer-based system for the characterization of chemical structure. The program is an interpretive library search which requires a database of assigned (13)C NMR spectra. An interpretive library search does not require overall structural similarity betw...
DESCRIPTION Celexa (citalopram HBr) is an orally administered selective serotonin reuptake inhibitor (SSRI) TM with a chemical structure unrelated to that of other SSRI’s or of tricyclic, tetracyclic, or other available antidepressant agents. Citalopram HBr is a racemic bicyclic phthalane derivative designated (±)-1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitr...
DESCRIPTION Celexa (citalopram HBr) is an orally administered selective serotonin reuptake inhibitor (SSRI) TM with a chemical structure unrelated to that of other SSRI’s or of tricyclic, tetracyclic, or other available antidepressant agents. Citalopram HBr is a racemic bicyclic phthalane derivative designated (±)-1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitr...
The photoinduced structural dynamics of the atomic wire system on the Si(111)-In surface has been studied by ultrafast electron diffraction in reflection geometry. Upon intense fs-laser excitation, this system can be driven in around 1 ps from the insulating [Formula: see text] reconstructed low temperature phase to a metastable metallic [Formula: see text] reconstructed high temperature phase....
the aim of the present research was to study the impact of organizational culture on entrepreneurial orientation given the mediating role of knowledge management. the statistical population consisted of the employees of district 1 and 2 municipalities of qazvin who were about 200 in number, of whom 130 people were selected based on stratified random sampling method and cochran formula. data ana...
realistic prediction of concrete shrinkage and creep requires the calculation of the distributions of relative humidity at various times. although the distributions of the relative humidity can be computed by numerical methods from the differential equation for diffusion, simple prediction formulas can facilitate structural analysis. the purpose of this paper is to present a simple formula for ...
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