نتایج جستجو برای: composition
تعداد نتایج: 259760 فیلتر نتایج به سال:
We report a novel approach for achieving high dielectric response over a wide temperature range. In this approach, multilayer ceramic heterostructures with constituent compositions having strategically tuned Curie points (T(C)) were designed and integrated with varying electrical connectivity. Interestingly, these multilayer structures exhibited different dielectric behavior in series and paral...
the ability of boards to perform their roles depends largely on their composition. board composition refers to the number of directors and type of members as determined by the usual insider or outsider classification. several empirical studies in other country have concluded that board composition determines a board’s power as an instrument of corporate control and contributes to company perfor...
conclusions the present study has demonstrated that a combination of exercise and silymarin can improve body composition and adiponectin levels. background silymarin has powerful antioxidant properties, but its effects on athletic performance are poorly understood. objectives the present study was undertaken to evaluate the effects of 4 weeks of endurance or strength exercise, with or without s...
a two year field experiment was carried out to evaluate the effects of municipal waste compost (c), composted cattle manure (m), and nitrogen (n) on growth and composition of weeds in a corn field in shiraz using a split-split plot design with 3 replicates. visual inspection of the plots showed that the manure treatments neither introduced new weed species nor increased weed density more than t...
the lalezar granitoids crop out within volcanic successions of the urumieh-dokhtar magmatic assemblage (udma). these granitoids have a range from gabbro-diorites to granites in composition. the mineral compositions of the most felsic rocks are characterized by the abundances of na-plagioclase, quartz, alkali feldspar, biotite and hornblende. in the gabbro-diorite rocks, plagioclase (ca-rich), h...
background in the past 10 years, 13 fatal earthquakes have occurred in iran and led to death of 30,000 people whom most of them were killed in the earlier hours of the disaster. disaster medical assistance teams are groups of trained medical and non-medical personnel with various combinations that on the optimal conditions are deployed just within 8 hours of notification and are able to work se...
forty eight 8-month-old male goats were divided into three groups. in each group, eight goats were feedrestricted for 45, 60 or 75 days, and eight goats served as the control. restricted groups were fed with a maintenance ration, and the control goats were fed with a ration supporting 50 g of daily weight gain. at the end of restriction period, the restricted goats were offered the same ration ...
the achillea l. genus has a wide distributional range, and the differences in oil composition may be affected by different environmental factors such as soil mineral fertilization, the climate conditions and the culture site. to evaluate the effect of temperate climate on content and chemical combination of essential oil of achillea filipendulina lam, a. arabica kotschy and a. eriophora dc., t...
background: menopause is associated with changes in body composition in postmenopausal women. the aim of this study was to compare the effects of tibolone and continuous combined hormone therapy (ht) on body composition in postmenopausal women. materials and methods: in this randomized clinical trial, 120 menopausal women were randomly selected and divided into three groups. of these, 40 women ...
the essential oils from compositae specie of iran: centaurea behen l. obtained by hydrodistillation was analyzed by gc and gc/ms. β-caryooyllane (24.5%), β-selinene (13.9%) and valencene (11.7%) were the main components among the sixteen constituents characterized in the oil of centaurea behen representing 93.7% of the total components detected.
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