Interjection
发表于 2025-3-21 16:22:35
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machination
发表于 2025-3-21 21:30:16
Fundamentals of Alternate Cooling Systems,ices to industrial machines. Still further engineering strides are needed to make such refrigerators sufficiently reliable, inexpensive, and efficient to be used regularly for many other potential application areas.
袭击
发表于 2025-3-22 02:05:41
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Minatory
发表于 2025-3-22 06:51:16
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indigenous
发表于 2025-3-22 11:32:28
Book 1983ctivity in cryogenic engineering have mutually supported each other, each improvement in refrigeration technique making possible wider oppor tunities for research and each new scientific discovery creating a need for a refrigerator with special features. In this book, Professor Walker has provided
conspicuous
发表于 2025-3-22 14:18:38
Cryogenic Engineering and Cryocooler Development in Japan,id state physics and its applications. In connection with the rapidly growing activities, many helium liquefiers were imported not only for basic research at universities but also in industry. During this period about fifty liquefiers of the Collins type were built at several companies in Japan.
conspicuous
发表于 2025-3-22 17:03:49
Some Aspects of Design,the present limits of manufacturing technology and design technique. It would be presumptuous to suggest that this single chapter could contain an adequate summary of that experience. Rather, we have attempted a cursory introduction to some of the more important and obvious areas of concern.
震惊
发表于 2025-3-22 22:33:55
Fundamentals of Alternate Cooling Systems, the last century. These principles were refined between the period of the first liquefaction of air in 1877 by Cailletet and Pictet and the first liquefaction of helium by Onnes in 1908. The mechanical work required for these gas systems presents difficult engineering problems. However, considerabl
overrule
发表于 2025-3-23 02:41:09
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伤心
发表于 2025-3-23 06:21:27
Cryogenic Engineering and Cryocooler Development in Japan,n Japan was a cascade-type machine which produced liquid helium in 1954. The liquefier was constructed at the University of Tokyo under the supervision of K. Oshima with the support of the Japan Oxygen Co. This was the start of a period during which significant advances were made in the field of sol