乙基香兰素
- 与 乙基香兰素 相关的网络例句 [注：此内容来源于网络，仅供参考]
-
At present,ethylvanillin has mostly been prepared in the world by pyrochemical oxidation of condensation compound of o-ethoxyphenol and glyoxylic acid,which is of the problem that the catalysts such as cupric oxide were removed difficultly in the end.
乙基愈创木酚-乙醛酸高温化学氧化法是目前国际上制备乙基香兰素的主要方法，但该法存在反应终了时铜盐或氧化铜等催化剂除去困难的问题。
- 推荐网络例句
-
According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。
-
The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。
-
When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候，老师解释《圣经》用两种不同的方法。