نتایج جستجو برای: physical form effect
تعداد نتایج: 2781753 فیلتر نتایج به سال:
h-zsm-5 nano-zeolites were synthesized by hydrothermal method using tetrapropylammonium hydroxide (tpaoh) as a template in the presence of various tpabr concentrations. the effect of different tpabr/tpaoh molar ratios was studied on the catalytic performance of dehydration of methanol to dimethyl ether (dme) in a fixed bed reactor under the same operating conditions (t=300°c, p=1 atm, and whsv=...
Background and aims: Higher education plays an important role in the development of human resources and professional expertise. However, academic failure could expose families and governments with numerous scientific, cultural and economic problems. Identification of important factors relevant to academic achievement requires further researches. Regular physical exercise is among the most impor...
OBJECTIVE To explore issues associated with measuring physical activity using the International Physical Activity Questionnaire (IPAQ)-long form in adults living in a mid-sized Brazilian city. METHODS A stratified random sampling procedure was used to select a representative sample of adults living in Rio Claro. This yielded 1572 participants who were interviewed using the IPAQ-long form. The...
The authors used International Physical Activity Questionnaire‐Short Form‐A (IPAQ‐SF) to assess physical activity and calculate metabolic equivalent for participants belonging to the age group 10–15 years. However, the IPAQ Guidelines for data processing and analysis clearly indicate that the instrument should be used for ages ranging from 15 to 59 years and that “until further development and ...
Introduction: One of the most important factors affecting quality of work-life (QWL) is the workload in the form of mental and physical. The increased workload may reduce the level of performance of workers. Therefore, the present study aimed to evaluate the relation of the mental and physicalworkload with the QWLof workers in the foundry industry. Material and Methods: This cross-sectional st...
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