steam rate test
... steam rate test 蒸汽率试验 steam tight test 汽密性试验 steam pressure test 汽压试验 ...
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本试验对树叶中提取精油萃取液进行了研究，通过三种不同试剂萃取，对水蒸汽蒸馏产物所得的萃取率来研究其适合度。
The test is a research on the extraction of distilling essential oil from leaves by comparing efficiency of extraction by three reagents. Those are ether, ethyl acetate and ether from Petroleum.
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