نتایج جستجو برای: drilling risk assessment
تعداد نتایج: 1420831 فیلتر نتایج به سال:
background: work-related musculoskeletal disorders (wrmsds) are considered a major factor in health problems, human injuries, and loss of work time. the aim of the present study was to assess the risk of musculoskeletal disorder (msd) and evaluate the prevalence of msd among female hairdressers. materials and methods: in this descriptive analytical study, the risk of msds was evaluated in 172...
aims: the occurrence of fire in residential buildings , commercial complexes and large and small industries cause physical, environmental and financial damages to many different communities. fire safety in hospitals is sensitive and it is believed that the society takes the responsibility to care sick people . the goal of this study was to use fire risk assessment method for engineering (frame)...
BACKGROUND Most studies examining the safety and efficacy of transphyseal anterior cruciate ligament (ACL) reconstruction for skeletally immature patients utilize transtibial drilling. Independent femoral tunnel drilling may impart a different pattern of distal femoral physeal involvement. PURPOSE To radiographically assess differences in distal femoral physeal disruption between transtibial ...
Oil and gas offshore exploration drilling and production facilities in cold climate and Arctic environmental conditions need various design considerations and operational preparation for intended operations. Offshore winterization of drilling systems and equipment is considered to be one of the essential aspects for ensuring that a facility is capable of and suitably prepared for operations in ...
A Comprehensive Health Technology Assessment Framework is presented as a conceptual tool for decision-making about health technologies, including information technologies. The aim of the model is to provide an empirical, evidence-based foundation for health technology decisions. The major framework dimensions are (1) population at risk, (2) population impact, (3) economic concerns, (4) social c...
The objective of this study was to assess whether living in proximity to a roofing fiber cement factory in southern Thailand was associated with physical, mental, social, and spiritual health domains measured in a self-reported health risk assessment (HRA) questionnaire. A cross-sectional study was conducted among community members divided into two groups: near population (living within 0-2km o...
background: euroscore is a simple and rigorous risk stratification model and is, thus, commonly used in predicting the early and late outcomes of cardiac surgery across the world. we aimed to assess the discriminative power of the euroscore model to predict postoperative morbidity and total prolonged length of stay in hospital (los) and intensive care unit (icu) stay in an iranian group of card...
background: the bibliometric methods have been used in many disciplines of sciences to study the scientific production and research trends. in this study, they were used to investigate research trends related to the risk assessment of cryptosporidium pathogen in water field. methods : data were obtained on the scopus database from 1993 to 2013. research tendency was investigated by analyzing ...
disasters are one of the most important challenges which must be considered by every management system. higher education centers have high disaster risk because of their risk factors (existence of historical and scientific documents and resources and expensive laboratory equipment in these centers emphasizes the importance of disaster management). moreover, the existence of young volunteers of ...
weather and climate have considerable influence on the concentration of air pollutants such as particles and gases. the range and concentration of these particles and gases are very dependent on prevailing weather conditions and air currents. this research concentrates on health effects of benzene, one of the air pollutants of tehran, as a major city. the concentration of benzene emission to ai...
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