乙酸乙酯

Therefore,it was proved that extracting the anti-fungal ingredients from chestnut leaves with ethyl acetate was the most effective method.

因此证明，用乙酸乙酯索氏提取板栗叶片的抗菌成分是最有效的方法。

Sometimes this method is referred to as naturally decaffeinated because ethyl acetate is a chemical found naturally in many fruits.

有时，这种方法被称为自然咖啡因因为乙酸乙酯是一种化学物质，自然在许多水果。

They were purified by washing with ethyl acetate and were freeze-dried.

他们纯化洗衣机用乙酸乙酯和被冻干。

Furthermore, secondary addition of ethyl acetate is the most important factor to affect the packing quality and particle size of the product.

而乙酸乙酯的第二次加入量较大程度上决定着最后产品的包覆效果和产品的粒度分布范围。

The total oxidation temperature for toluene, acetone, and ethyl acetate was at 220, 260, and 280 ℃ for the catalyst calcined at 500 ℃, respectively.

该催化剂上甲苯、丙酮和乙酸乙酯的完全氧化温度分别为220、260和280℃。

However, due to the relatively high solubility of 2 in ethyl acetate, an anti-solvent is required to achieve an optimal yield.

不过，由于较高的溶解度乙酸乙酯2、反溶剂须达到最优产量。

So, with a double-wavelength technique, ethyl acetate can be quantified.

因此，通过双波长法，乙酸乙酯可以被定量检测。

This solution is then treated with either methylene chloride or ethyl acetate, which bonds with the caffeine.

这个解决方案，然后处理或者二氯甲烷或乙酸乙酯，这些债券咖啡因。

It is insolvable in water , and soluble in alcohol , ethyl acetate or benzene

本产品为类白色固体，产品不溶于水，可以溶于酒精、乙酸乙酯或苯。

The kinetics of catalytic synthesis of ethyl acetate using cation exchange membrane catalyst was studied.

摘 要：研究了以阳离子交换树脂为催化剂合成乙酸乙酯的动力学。

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。