酯化了的

The dynamic characteristics is studied in a fixed bed reactor of inner diameter 1. 56cm, resin packing height 96cm. The effect of mass ratio of methanol to deodorizer distillates, temperature, residence time, and flow rate to conversion of free fatty acids has been studied.

在内径为1.56cm，高度为96cm的树脂床层中考察了固定床连续酯化反应的动态特性，研究了甲醇与脱臭馏出物的配比、反应温度、接触时间和物料流量等因素对脂肪酸转化率的影响。

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。

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。

The effect of water on the stability and the esterification activity of Lipase in organic solvents was studied in part Ⅰ.

在第Ⅰ部分中着重研究了水分对柱状假丝酵母脂肪酶在有机溶剂中的稳定性及其催化酯化活性的影响。

The optimal conditions and kinetics of enzyme catalyzed interesterification of Chinese vegetable tallow and methyl stearate without solvents was studied.

研究了无溶剂体系酶促乌桕脂与硬脂酸甲酯转酯化反应的工艺条件及动力学，提出了反应初速度和初始浓度及反应历程中组分浓度和时间关系的两种动力学模型。

Solid superacids SO~2-_4/TiO_2-Al_2O_3 were prepared and used to catalyze the esterfication of iso-octyl alcohol and by-products in oxidization reaction of durene,which were pretreated before esterifying reaction.

考察了催化剂用量、异辛醇与混合酸的质量比、反应时间等因素对酯化反应的影响，确定了较佳的反应工艺条件：m∶m∶m=0.01∶3.18∶1，反应时间为3 h，在此反应条件下预处理后的混合酸转化率可达到99.9%。

The yield of conversion and reaction rate were investigated under different reaction temperature, reactant ratio and catalyst amount through conditional experiment, and best conditions were confirmed, which was 75℃, the ratio of 1:4 for binary acid to ethanol and the amount of silicotungstic acid was 2% of mixing binary acid quality.

通过条件试验，分别考察了在不同的温度、投料比、催化剂用量情况下酯化反应的转化率和反应速率，最终确定了该反应的最佳反应条件：温度75℃，酸醇比为1：4，催化剂用量为混合二元酸质量的2%。

The influence of acrylic acid and tetradecyl alcohol, amount of catalyst and inhibitor, reaction temperature, reaction time were investigated.

探讨了丙烯酸与十四醇摩尔比，催化剂和阻聚剂的用量、反应温度及反应时间对酯化反应的影响。

The native beer yeast and esterified beer yeast were examined by infrared spectroscopy.

对啤酒酵母酯化前后的红外光谱进行了分析。

Technology of sulfuric acid catalyzed ethyl esterification of high acid value tuna oil was studied.

以浓硫酸为催化剂，对高酸值金枪鱼油进行了乙醇酯化工艺的研究。

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。