VACUUM AND CRYOGENICS 1994 Vol. 13 No. 4

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Investigation of burnout mechanism in microwave GaAs power FETs:Part Ⅱ.RF hurnout

Yuan Zeliang, Fan Chuizhen

1994, 13(4): 187-190.

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VCSE-B(Ⅱ)manufacture of vacuum comparison standard device

Li Zhenghai, Li Detian, Hu Wei, Li Li

1994, 13(4): 191-197.

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Diamond thin films grown up by microwave plasma CVD

Sun Yining, Guo Wantu, Li Jinqi

1994, 13(4): 198-200.

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A constant pressure low range flowmeter

Zhang Dixin, Lu Shiliang, Li Wangkui, Liu Qiang, Yu Xipan

1994, 13(4): 201-204,226.

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Calculation of the vacuum svstem used in FYS-1 installation of manual TIG welding for prevention of oxidization

Ma Mianjun, Hu Tinliang

1994, 13(4): 205-208.

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The mechanisms of crvaqenic creep for metal materials

Zhang Jianke

1994, 13(4): 209-213.

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LYOVAC series freeze drying plants

Zhu Wu

1994, 13(4): 214-218.

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Leak detective techniques in spacecraft use

Yan Rongxing, Xiao Xiangzhen, Zhang Jiazu

1994, 13(4): 219-226.

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The analysis and research on the structure of the control circuits of the digital vacuum gauge

Wang Xianlu, Zhu Wu

1994, 13(4): 227-231,236.

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Electron positron affinity photocathode

Li Chaomu

1994, 13(4): 232-236.

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A new tvpe three staqe pulse tube refriqerator

Yang Tianxin

1994, 13(4): 237-239.

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