查询词典 esterification

The effects of various factors were determined and the esterification applications were studied.

对多种影响因素进行了考查，并进行了酯化应用研究。

The kinetics of esterification is discussed and kinetic equation set up.

探讨了酯化的动力学，并建立了动力学方程。

The esterification conversion was about 90%.

反应最终转化率可接近90%。

Under these conditions, the yield of esterification is up to 98.5%.

在此条件下，酯化率达98.5%。

If the production purity would reach to 95%, the times of esterification were at least three.

包合的次数在三次以上时，纯度方可达到90%以上。

Their properties and active life as catalysts for esterification are also discussed.

探讨了这类固体超强酸的制备条件、表面结构及其用作酯化催化剂的性能和寿命等问题。

It was shown that suitable ultrasound could enhance reaction rate of lipase catalyzed－esterification in organic solvent.

研究表明适宜的超声辐照可显著提高有机相脂肪酶催化酯化反应的速度。

Influence of alcohol-to-acid mole ratio, reaction temperature, catalyst dosage and reaction time on the esterification was investigated.

考察了醇酸物质的量比、温度、催化剂用量、反应时间等各种因素对酯化率的影响。

Its catalytic activity in the esterification to form ethylacetate was investigated with the highest yield of 96.2%.

在乙酸乙酯的合成反应中考察了该催化剂的催化活性。

Particular reaction for the esterification of acetic acid and menthol is carried out.

对於醋酸与甲醇的酯化特定反应被推导出。

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。