哌嗪

Then monofactor method and multifactor orthogonalizing design method are applied to get the optimum processing conditions in preparation of piperazine.

通过单因素试验和正交试验对合成过程的影响因素进行了研究，确定了合成无水哌嗪的最佳工艺条件。

We have exchanged the methyl group of the piperazine ring at 3-position of rifapicin to other new groups.

我们主要是将连接在利福平3位上的哌嗪环末端氮上的甲基换成其它基团，这些新连接的基团都与一些最近报道的抗菌活性比较强的新化合物的结构中所包含的基团相似或相同，并测试了这些化合物抗结核杆菌的活性，结果显示了他们大部分都保持了与利福平相当的抗菌活性，其中衍生物81的抗菌活性是利福平的十倍，具有进一步开发的价值。

Then the microemulsion of piperazine containing silicone oil was prepared and was used to treate the plain cotton cloth .

将其用于纯棉平布的整理，结果发现，经哌嗪基硅油微乳液整理的纯棉平布不仅手感和抗皱性明显提高，对织物的吸湿性和白度影响较小；而且具有较持久的耐洗性。

Piperazine only paralyses the worms until they are pushed naturally out of the bowel.

哌嗪只蠕虫病毒瘫痪，直至他们推自然出于对肠易激。

Objective To investigate the effects of piperazine ferulate on TGF-β1-induced renal interstitial fibroblast activation, and to explore the mechanism of PF in the prevention of renal tubulointerstitial fibrosis.

目的 观察阿魏酸哌嗪对转化生长因子－β1(TGF-β1)诱导肾成纤维细胞表型活化的影响，探讨其抗肾间质纤维化的可能机制。

ABSTRACT:OBJECTIVETo synthesis the 4alkyl 1［2(pyridin2yl ethoxy)ethyl］ piperazine and study its effects for ability of memory in mice.

［目的］合成4烷基1［2(2吡啶乙氧基)乙基］哌嗪，探讨减少了酯结构的合成物对小鼠记忆力的影响。

Objective To observe the effects of piperazine ferulate on synthesis of extracellular matrix and expression of connective tissue growth factor in transforming growth factor-betal (TGF-β1) induced rat glomerular mesangial cells, and to investigate its mechanism on the prevention of glomerulosclerosis.

目的 探讨阿魏酸哌嗪对转化生长因子－β1(TGF-β1)诱导下肾小球系膜细胞结缔组织生长因子及细胞外基质成分表达的影响及其意义。

Dichlorophenyl)piperazine is a kind of pharmaceutical intermediate.

1-(2，3-二氯苯基)哌嗪是一种重要的医药中间体。

Dichlorophenyl piperazine hydrochloride is an important pharmaceutical intermediate.

二氯苯基哌嗪盐酸盐是重要的医药中间体。

When A〓 is divinyl sulfone , and BB'〓 is 1-(2-aminoethyl) piperazine, no gelation was observed in water or organic solvents.

当A〓为二乙烯基砜，BB'〓为1-（2-胺乙基）哌嗪时反应在水和有机溶剂中都不会凝胶。

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。