ガスバラスト弁に注意 - Kyoto University Research Information
Contents
1. 60 2 12. 2 Gas Ballast Valve Controls Adjustor Knob
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4. 1 2 3 ky 38 e1 3 7
5. ENAI University Research Information Repository A NI a O gt ee 2 TO Ed JAPAN KYOTO UNIVERSITY AUD TT iLTMHHHHH 2007 http dx doi org 10 14989 153201 Departmerntal Bulledin Paper a Kyoto University Beware of as Ballast Valves Akihiro Otsuka Research Center for Low 1emperature and Materials Sciences Kyoto University This brief note aums at reminding you the danger of gas ballast valves on oil rotary vacuum pumps 1f they are used to Dump helium If your pumps are equipped wth the gas ballast valves you should frequently confirm that they are tightly closed to prevent mixing air to the recovered helium gas You had better plug such valves if possible Monitoring the purity of the recovered helium gas at laboratory will help you to detect the trouble efficiently 1 2007 4 3 2 1 LTM
6. 1 a b c d ee f 4 1 K 3 100 95
7. 14 19 10 2 1 15 9 3 17 BCS Award Article BCSJ Pull Chem Soc Jpn 78 1921 1928 2005
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