نتایج جستجو برای: Active
تعداد نتایج: 439687 فیلتر نتایج به سال:
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
objectives: the purpose of this study was to investigate the relation of personality traits with depression in active and non – active elderly women in tehran city. methods & materials: the present research is descriptive–correlation. for this purpose, 188 elderly women (94 active and 94 non - active elders) in the age range of 63-82 in tehran city availably selected as statistical sample. meas...
any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...
objective(s): fasting during the month of ramadan is a religious obligation and belief for healthy adult muslims. the aim of the present study was to determine the effects of ramadan fasting and physical activity on ‘blood hematological-biochemical parameters’. materials and methods: in this study, twenty-six healthy males in two experimental groups were compared in two different instances be...
an efficient procedure is presented for the evaluation of solid oxide fuel cell (sofc) anode microstructure triple phase boundary length (tpbl). triple phase boundary- the one that is common between three phases of the microstructure- has a great influence on the overall efficiency of sofc because all electrochemical reactions of anode take place in its vicinity. therefore, evaluation of tpbl f...
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introduction: the passive sentence structure is one of the most interesting syntactic structures on language development. studies in some languages have indicated that comprehension of this syntactic structure takes place late in the language acquisition process. therefore, the purpose of this study is to investigate the comprehension of active and passive structures in 48-59- and 60-71-month-o...
this study assessed the optimum water need of pepper (capsicum annuum l. cv. california wonder) and the critical irrigation level to be applied in order to achieve a reasonable economic yield in water shortage conditions. in a controlled field experiment involving five different treatments, seasonal evapotranspiration for pepper fluctuated from 89 mm in the severe stress treatment (i0.00) to 1,...
methyl indole derivative of some 6-aryl-4,5-dihydropyridazin-3(2h)-ones (3a-e) were synthesized by mannich reaction and evaluated as anticonvulsant against mes (50ma, for 2sec), inh (250mg/kg), scptz (80mg/kg) and str (3mg/kg) induced convulsion methods at 50 mg/kg dose level. all compounds 3a-e were also evaluated as antitubercular agent against m. tuberculosis h37rv by maba method. all compou...
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