نتایج جستجو برای: lack of concentration
تعداد نتایج: 21175937 فیلتر نتایج به سال:
serious concerns have been expressed about potential health risks of nano silver containing consumer products (agnps) therefore regulatory health risk assessment on such nanoparticles has become mandatory for the safe use of agnpsinbiomedicalproducts with special concerns to the mutagenic potentials. in this study, we examined the inhibitory and mutagenicity effects of agnps in three different ...
the aim of this study includes investigation into the impact of education based on gardner’s theory of multiple intelligences (mi) on educational achievement of high school students (grade ii) in mathematics from garmsar city. the current study is of applied type in terms of nature since research is seeking for testing of some theoretical concepts in real and live situations. whereas the presen...
abstract aim and background: the key purpose of the study was to investigation the relationship of job burnout and some of job variables like type and level of responsibility, service and mangement experiences. method and materials: this descriptive study was conducted on 245 managers and vice-chancellors randomly selected by the cluster-sampling technique. they were assessed by job burnout que...
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PURPOSE To determine whether there is a circadian change of the concentration of C-type natriuretic peptide (CNP) in rabbit aqueous humor. METHODS Forty-one male white New Zealand rabbits were submitted to a 12 h light and 12 dark lighting schedule; lights on was at 0 h, lights off at 12 h. C-type natriuretic peptide was assayed at 3 light (2 h, 6 h and 10 h) and 3 dark (14,18 and 22 h) times...
Since the incidence and growth of adenofibroma of the mammary gland are known to be affected by the ovarian hormones, the observation oi Geschickter and Lewis (1-5) that this tumor may contain large amounts of estrogenic and gonadotropic hormones is of fundamental interest. They suggest that since adenofibroma is composed of the elements normally stimulated by estrin, namely the ducts and perid...
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