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ÈçÌâ Some article says ethanol adsorption was carried out for 30 min using a 2.0% ethanol/He gas mixture (1.0 mL/s), as we know, ethanol is liquid, how to realize the gas mixture of ethanol and helium, and guarantee the volume fraction of 2%. Is the gas mixture in the cylinder together or with the help of flowmeter? many thanks for help. |
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zly3536
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3Â¥2015-01-08 17:16:57
changle9139
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2Â¥2015-01-08 14:56:09
zly3536
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4Â¥2015-01-09 20:03:26













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