乙酸的

However, when the target organic was acetic acid (an inhibitor of radical reaction),Fe2+/O3 and O3 had similar degradation efficiencies.

当目标有机物是对自由基链反应具有抑制剂作用的乙酸时，O3和Fe2+/O3对乙酸有着相似的降解效率。

In particular, when the Knoevenagel condensation of 2-hydroxybenzaldehyde was conducted with ethyl 2-cyanoacetate, 3-ethoxycarbonylcoumarin was obtained by simultaneous cyclization and alcoholysis of cyanide.

当反应底物为水杨醛与氰基乙酸乙酯的时候，产物为3-乙氧基羰基香豆素，这是水杨醛和氰基乙酸乙酯缩合关环，再发生氰基醇解的产物。

This paper introduces in detail the factors influencing the yield of the amino acetic acid with the chloroacetic acid ammonolysis process, and connecting with the production procedures, makes deep analysis, and puts forward some corresponding methods for increasing the yield.

详细介绍了氯乙酸氨解法氨基乙酸生产过程中影响收率的因素，并结合生产过程进行了深入分析，有针对性地提出了提高收率的办法。

In optimal design procedure, two important design variable are identified: one is recycle flow rate and the other is specification of acetic acid in the distillate of second column (pinch point exists between water-acetic acid system).

在最适设计步骤中，我们发现两个最重要的变数：回流股流量及第二根塔顶乙酸规格(乙酸与水之间有狭点存在)。

A mediator-less two-chambered microbial fuel cell was constructed with sodium acetate as substrate in the anode and carbon felt as cathode. The effects of different electron acceptors in the cathode, external resistances value, concentration of sodium acetate and different inoculation ways on electricity generation by the MFC were investigated.

以乙酸钠为阳极底物，碳毡材料为阴阳电极，构建了无介体双室微生物燃料电池(Microbial fuel cell， MFC)，研究不同阴极受体、外接电阻、乙酸钠浓度和不同接种方式等因素对电池产电性能的影响。

Plasma glucose significantly decreased at the time of after sodium propionate infusion, no changes occurs after the sodium acetate infusion.

乙酸钠无明显影响。与灌注前相比丙酸钠灌注组的血浆IGF-1水平灌注后上升差异显著，乙酸钠灌注组显著性下降（P＜0.05）。

Changes of some metabolites and hormones after jugular infusion of sodium propionate or acetate in normal feeding or fasting water buffaloes The buffaloes were infused with sodium propionate or acetate in normal feeding or 24 hours fasting status.

灌注丙酸钠，葡萄糖水平不仅不升高，反而显著性地低于灌注前和同期对照组的水平，乙酸钠灌注对血糖无影响。灌注丙酸钠或乙酸钠后血浆IGF-1水平下降，但均无显著性差异。

N-Butyl acetate was synthesized from acetic acid and n-butanol using polyvinyl chloride-polythylene polyamine resin which adsorb s metal ions as the catalyst.

采用吸附了金属离子的聚氯乙烯—多乙烯多胺树脂为催化剂，乙酸和正丁醇为原料催化合成了乙酸正丁酯。

Various concentrations of thidiazuron and indoleacetic acid gave rise to adventitious shoots with different efficiencies.

在和噻苯隆搭配使用时，蚓噪乙酸是IAA、蚓噪丁酸、奈乙酸和2，4-D等四种生长素中效果最好的。

The effects of various influence factors, such as the amounts of glacial acetic acid, hydrogen peroxide and catalyst, reaction temperature, reaction time were discussed.

采用过氧乙酸法制备环氧棕榈油，研究了乙酸、双氧水、催化剂用量以及反应温度、反应时间对环氧值的影响。

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。