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songjianguo

银虫 (小有名气)

[求助] 几句英文翻译,求帮助

In general, the trans-esterification is base catalyzed while the
esterification is catalyzed by acids, although alternative acid/base
catalysts could be used but at prohibitive reaction rates. The
FAME synthesis stage is followed by several neutralization and
purification steps. Nonetheless, all conventional methods
suffer from problems associated with the use of homogeneous
catalysts, leading to severe economical and environmental
penalties. Thishas to change in view of the large growth worldwide
in biodiesel production.
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songjianguo

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已经解决
2楼2013-11-22 16:31:26
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