منابع مشابه
Performance 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...
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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 Use of a Hydraulic Purifier for Conditioning of Phosphate Ester Hydraulic Fluids
An improved procedure for controlling the acidity ofphosphate esters is described. In the presence of water phosphate esters undergo hydrolysis which increases the acidity of the jluid and eventually lea& to fluid degradation. Currently this problem is addressed through the use of acid adsorbing andor neutralizing agents such as Fuller's earth or activated alumina. Bese agents neutralize the ac...
متن کاملRemoval effect of the water purifier for home use against Cryptosporidium parvum oocysts.
The removal effects of the faucet mounted type water purifier for home use were examined against Cryptosporidium parvum oocysts. The water purifier is composed of a layer of granular activated carbon and the hollow fiber membrane filter. The cartridges were unused, 25%, 50% and 75% flow down by Arizona-dust of U. S. A. Two respective cartridges were used of the examination. The faucet and the w...
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ژورنال
عنوان ژورنال: Sen'i Gakkaishi
سال: 1998
ISSN: 0037-9875,1884-2259
DOI: 10.2115/fiber.54.11_p404