نتایج جستجو برای: protective structure
تعداد نتایج: 1668461 فیلتر نتایج به سال:
background & aim: homalium letestui pellegr (flacourtiaceae) used traditionally by the ibibios of southern nigeria to treat stomach ulcer, malaria and other inflammatory diseases was evaluated for antiulcer properties. experimental: the effects of ethanol stem extract of h. letestui (200 – 600 mg/kg) and fractions (aqueous and dichloromethane, 400 mg/kg) on experimentally induced ulcer wer...
Aim: This research aims to investigate and compare the factors affecting the successful and unsuccessful entrance the adolescent stage of family life cycle. Method: This is a qualitative study and the data were analyzed by using grounded theory method. The population consists of all of the families with successful and unsuccessful adolescents in Tehran city and the sample consists of 10 fami...
Protective clothing performs a vital role in maintaining the safety of human in workplace. The developments in this field are proceeding to fulfill the needs with multifunctional materials at competitive costs. Recently, the protective clothing field introduces the usage of composite materials taking advantage of their outstanding properties. In this paper, the multifunctional performance of hy...
microgrid presents an efficient and novel solution for integrating many new energy generating resources with traditional distribution networks. having an appropriate protective scheme is a fundamental challenge in achieving microgrid plans. it is proven that traditional protective plans are not efficient for protecting microgrid, since the network is dynamic and the level of fault current chang...
A study of occupational exposure to paraquat was performed among 11 knapsack spray operators at banana plantations in Costa Rica. External and internal exposures were quantified and determinants of exposure identified by measurements, observations, and interviews. Dermal exposure was measured with skin pads, respiratory exposure by personal air sampling, and internal exposure by urine sampling....
in the present study, protective effect of teucrium polium l. (labiatae) extract on acetaminophen-induced hepatotoxicity was investigated in mice. animals were divided into six groups, each group consist of 8 mice. group one as the negative control group received normal saline, while group two received only crude extract of t. polium l. (500 mg/kg) for five days and group three as the positive ...
objective: the purpose of this study was to identify affecting factors on students’ environmental protection behavior (sipb). methods: statistical population of this research consisted of 1480 students in alborz agricultural technical higher education centers. a stratified random sampling method was used to select 145 student applying cochran's formula. the main tool to collect data was a resea...
OBJECTIVES Unintentional injuries are one of the leading causes of death, hospitalization and disability across the world. Detailed work on child injury in low-income and middle-income countries began more recently and is now indicating priorities for prevention. This study aims to draw attention to the subject with the assessment of the injuries sustained by the study group. METHODOLOGY Data...
چکیده ندارد.
aortic valve area (1.33 0.41 cm2 vs. 1.52 0.5 cm2). In a multivariate analysis for elevated mean gradients within those with small surgical valves, CoreValve use (OR 0.56, CI 0.31 – 0.97, p 1⁄4 0.04), true internal diameter (OR 0.72, CI 0.59 – 0.87, p 1⁄4 0.001), THV size (OR 0.79, CI 0.65 – 0.97, p 1⁄4 0.02) and baseline regurgitation (OR 0.45, CI 0.21 – 0.93, p 1⁄4 0.03) were identified as pr...
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