除阻
chú zǔ
- off-glide;released
除阻
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实验结果证明,除阻聚剂外,其它各物质均可与催化剂产生协同作用,不同程度地提高了稠油的降粘率。
The experiments results shows that any mass , except polymerization inhibitor , has synergetic effect with catalyst and enhanced viscosity reduction rate of extra-heavy oil .
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除出阻车外有没有其他方法可去?
Is there any other way to go besides taxi ?
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结果表明,用新戊二醇在[Hmim]BF4中保护羰基化合物,试剂与底物等摩尔反应,除一些有位阻的酮外,大多数醛、酮得到几乎定量的转化率,几乎无副反物生成。
Using neopentyl glycol as protecting reagents , the results showed that most of the aldehydes or ketones gave almost quantitative conversions in [ Hmim ] BF4 except for the ketones with big steric hindrance .