一酸的

Bromoxynil octanoate was synthesized from bromoxynil, octanoic acid and thionyl chloride in the solvent using DMF and N(C 2H 5) 3 as catalysts by one step reaction.

以DMF、三乙胺为催化剂，在溶剂中，用辛酸直接合成了溴苯腈辛酸酯，实现由酸合成酯的一步反应。

Isothiocyanates are a class of important organic synthetic intermediates, and have been used extensively in the synthesis of substituted thiourea pesticides.

异硫氰酸酯是一种重要的有机合成中间体，在合成取代硫脲类农药中有广泛应用。

This route is easier to be industrialized using cheap and easy obtained phosphorus trichloride and alcohol as raw materials.

其次，本文研究设计了一条以O，O-二乙基甲基亚膦酸酯为中间体、经Strecker反应制备草铵膦的合成路线，成功地合成了草铵膦，并对其结构进行了表证。

An additional recommendation is to reduce consumption of alcohol, which promotes triglyceride production by the liver.

另一项建议是要减少喝酒，因为这将通过肝脏促进甘油三酸酯的产生。

Tyrosine is a non-essential amino acid that plays a role in the creation of protein.

-酪氨酸是一种非必需氨基酸的发挥作用创造蛋白质。

Crude oil,or unprocessed petroleum,is called sour when it contains a lot of sulfur,and impurity.

原油是没有经过处理的石油，叫做酸。因为它包含了许多硫磺，硫磺是一种混合物。

Another such ratio that can reduce performance is the 3-way combination of valine, leucine and

另一种比例，即缬氨酸，亮氨酸和异亮氨酸三者的配合比，也可能降低猪

This invention relates to the preparation of the biological diesel fuel from the fat acid triglyceride, and special from the animal, vegetable tallow and oil.

本发明涉及一种从脂肪酸甘油三酸酯，尤其是动、植物脂和油，生产生物柴油的方法。

Copper ions greatly enhanced the sensitivity of the determination of molybdenum, which based on the color charge transfer complex of molybdotungstophosphate-3,3",5,5"-tetramethylbenzidine, in the presence of poly vinyl alcohol.

提出了一种基于铜离子增敏形成磷钼钨杂多酸-3，3'，5，5'-四甲基联苯胺电荷转移复合物测定痕量钼的方法。

This process utilizing modern efficient wire gauze wave-like packings sepa-rates three isomers of MNT(ortho-.meta- or para-), then the O-MNT or P-MNTis nitrated to produce military TNT by a mixture of nitric and sulfuric acid.

本工艺利用近代高效的金属丝网波纹填料分离MNT的三种异构体，然后用硝硫混酸把邻一或对一MNT硝化成军品TNT，这样可避免亚硫酸钠溶液精制TNT的工序。

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。