نتایج جستجو برای: materials handling
تعداد نتایج: 504302 فیلتر نتایج به سال:
Nursing schools in the United States have not been teaching evidence-based practices for safe patient handling, putting their graduates at risk for musculoskeletal disorders (MSDs). The specific aim of this study was to translate research related to safe patient handling into the curricula of nursing schools and evaluate the impact on nurse educators and students' intentions to use safe patient...
The responsibility for providing healthy food involves all members of the production chain from input supplier to the distributor and consumer of food. Children and older adults represent the most vulnerable consumers for acquiring food-borne illness (FBI), meaning that the risk factors produced in food-processing targeted for this population group must be reduced. A clean-up plan was thus desi...
The present paper studies the in ltration of an incompressible liquid in an initially dry (or partially dry), deformable spongeous material made of an incompressible constituent in the slugow approximation having in mind the application to some industrial processes involving ow through spongeous materials and, in particular, some composite materials manufacturing processes. The resulting initia...
This study depicts how captive kea, New Zealand parrots, which are not known to use tools in the wild, employ a stick-tool to retrieve a food reward after receiving demonstration trials. Four out of six animals succeeded in doing so despite physical (beak curvature) and ecological (no stick-like materials used during nest construction) constraints when handling elongated objects. We further dem...
While use of asbestos materials in developed nations has been decreasing because of the harmful health effects of asbestos dust mining, processing and use of the ancient material in developing countries is increasing. The regulatory mechanism for use, handling and disposal of asbestos and associated waste in developing countries are weak and information on asbestos-related diseases is scanty bu...
Introduction In recent years, quality control has been extended to an everincreasing number of biochemical parameters. Its application to blood-gas analysis is complicated by two main factors: the need for reliable, reproducible quality control materials and the variability of calibration standards among the different clinical departments using blood gas apparatus ]. Moreover, automatic analyse...
Novel developments in X-ray based spectro-microscopic characterization techniques have increased the rate of acquisition of spatially resolved spectroscopic data by several orders of magnitude over what was possible a few years ago. This accelerated data acquisition, with high spatial resolution at nanoscale and sensitivity to subtle differences in chemistry and atomic structure, provides a uni...
HAZARD WARNING TO USERS The procedures on the orgsyn.org website are intended for use only by persons with prior training in the field of organic chemistry. In the checking and editing of these procedures, every effort has been made to identify potentially hazardous steps and to eliminate as much as possible the handling of potentially dangerous materials; safety precautions have been inserted ...
OBJECTIVES To address the causes and prevention of fire incidents involving aluminum bodied oxygen regulators used by firefighters or emergency medical technicians. METHODS The National Institute for Occupational Safety and Health, the United States Food and Drug Administration, and an independent forensic investigator examined several incidents involving injury to firefighters and emergency ...
The procedure currently used for isolating legionellae from environmental samples recommend filtration through a 0.2-microns-pore-size polycarbonate filter. In this study we evaluated the performance of 23 other filters composed of various materials and having various pore sizes. We prefer the 0.2-micron-pore-size Gelman Supor filter because of its high level of recovery, faster filtration rate...
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