酸化的

It could be synthesized by a key intermediate 2-pentylidene cyclopentanone formed a condensation starting from cyclopentanone and n-valeraldehyde, followed by isomerization, Michael addition and a selective decarboxylation.

本文研究了以正戊醛和环戊酮为基本原料，经缩合反应、异构化反应、Michael加成反应和脱羧反应等制备二氢茉莉酮酸甲酯的化学合成方法和工艺。

In addition, the hydrolytic acidification benefit to the anaerobic treatment.

另外，水解酸化反应器出水为厌氧反应器提供了很好的生态条件。

An engineering technology, its running results by hydrolytic acidification and BAF process treatment of domestic sewage are introduced.

简介： 介绍了水解酸化＋曝气生物滤池工艺处理生活污水的工艺和运行情况。

An engineering technology, its running results by hydrolytic acidification and BAF process treatment of domestic sewage are introduced.

介绍了水解酸化＋曝气生物滤池工艺处理生活污水的工艺和运行情况。

However,they are generally insoluble and infusible in their fully imidized form,which would lead to processing difficulties;and this process of polyintermediate has several inherent problems such as emission of volatile byproducts(e.g.,H_2O)and storage instability etc.

然而，完全亚胺化的芳香族聚酰亚胺通常不溶不熔，难于加工，而采用聚酰胺酸中间体加工时，又存在储存稳定性差，加工过程中会产生可挥发小分子副产物(如；H_2O)等问题。

The sulfation and thermal treatment both decreased photoactivity of catalyst.

而酸化和热处理都将降低甲基橙的褪色率。

A corrosion inhibitor CH - 10 used in high temperature acid treatment was obtained by compounding this cationic Mannich base with propargyl alcohol.

针对Mannich碱型缓蚀剂存在的溶解性不好和缓蚀率不高等问题，以甲醛、环己酮和苯胺为原料，合成了一种Mannich碱型缓蚀剂CH-9，将其阳离子化后，再与丙炔醇复配，得到了阳离子型高温酸化缓蚀剂CH-10。

Magnesium trisilicate was synthesized by precipitation using Na2OnSiO2 and Mg (NO3)2 as raw materials.

由Na2OnSiO2和Mg(NO3)2经沉淀法合成了三硅酸镁，用450℃煅烧或酸化方法对合成的样品进行改性。

The results showed that a neural structural relation between the NRF and the ventrolateral medullary surface does exist.

结果表明NRF与腹外侧表面存在神经结构联系，微量注射酸化人工CSF和DLH于NRF能引起呼吸活动加强，微电泳H〓主要引起NRF吸气相关单位兴奋，呼气相关单位抑制，提示NRF在中枢化学感受功能中也起着一定的作用。

For this reason, an excess of the carbonyl compounds was added to an acidified reagent solution.

为此，过剩增加了羰基化合物的试剂溶液酸化。

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。