منابع مشابه
Electrostatic Fluid Accelerator and Air Purifier – The Second Wind
Transformation of ionic pump (electron wind, Electrostatic Fluid Accelerator) technology from curious laboratory experiments to practical industrially acceptable devices requires pushing the basic technology to its physical limits. This paper presents a description of main design optimization options. A numerical modeling study demonstrates the effect of geometry and voltage distribution on the...
متن کاملDesign of modern interactive and ergonomic home air purifier
Introduction: The subject of this research is having healthy air and its challenge is air purification to have this type of air. Healthy air is free of any pollutants, including odors, harmful gasses, dust, and viruses, especially corona. This healthy air is provided by a purifier device. One of the problems of metropolises is the lack of healthy air, which is one of the most important human ne...
متن کاملthe impact of peer review on efl reviewers writing proficiency
امروزه تصحیح همکلاسی در کلاسهای نگارش یکی از اجزاء لاینفک کلاسهای دانش آموز محور است. تاثیرات مفید تصحیح همکلاسی بر زبان آموزان، معلمان را متقاعد کرده است که علیرغم صرف زمان، انرژی و توان بسیار، از این شیوه ی آموزشی در کلاسهای آموزش نگارش بهره بگیرند. تحقیق حاضر بر آن است تا با مقایسه دو گروه از یادگیرندگان زبان انگلیسی، تاثیر تصحیح همکلاسی را بر توانایی نوشتاری آنها نشان دهد. 122 خانم زبان آمو...
15 صفحه اولPerformance assessment of O-18 water purifier.
In the synthesis of 18F-FDG by the nucleophilic substitution method, 18O-H2O is usually used as target water. The target water should be recovered after synthesis and reused, because it is expensive, but recovered water contains impurities such as organic substances, and it must be purified before reuse. For this reason Sumitomo Heavy Industries, Ltd. developed an O-18 water purifier for elimin...
متن کاملEvaluating the Effectiveness of a Commercial Portable Air Purifier in Homes with Wood Burning Stoves: A Preliminary Study
Wood burning for residential heating is prevalent in the Rocky Mountain regions of the United States. Studies have shown that wood stoves can be a significant source of PM(2.5) within homes. In this study, the effectiveness of an electrostatic filter portable air purifier was evaluated (1) in a home where a wood stove was the sole heat source and (2) in a home where a wood stove was used as a s...
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ژورنال
عنوان ژورنال: GSC Biological and Pharmaceutical Sciences
سال: 2019
ISSN: 2581-3250
DOI: 10.30574/gscbps.2019.7.1.0038