1·Some method about synthesis of piperazine with aliphatic amine were introduced.
介绍了由脂肪胺合成哌嗪的几种方法。
2·Objective: To establish an HPLC method to determine the plasma concentrations of buspirone hydro-chloride (BuHCl) and its active metabolite 1 - pyrimidinyl - piperazine(1 - PP).
目的：建立高效液相色谱法测定血浆中盐酸丁螺环酮及其活性代谢物1-嘧啶哌嗪浓度的方法。
3·This paper introduces the marketing situation, price trend and major production processes of piperazine at home and abroad.
介绍了哌嗪的国内外市场状况、价格走势及主要生产方法。
4·Using different concentration piperazine and IPC or TMC, through changing immersion time, heat treatment time and temperature, composite nanofiltration membrane with good performance was prepared.
用不同浓度的哌嗪水相、酰氯有机相，通过改变两相处理的时间和热处理的时间与温度寻找合适的条件制备性能较佳的平板复合纳滤膜。
5·The compounds have the connecting ring structures of piperazine or piperidine, have notable antitumor activity, and provide a new choice for preparing antitumor drugs in clinical practice.
该类化合于具有哌嗪或哌啶的连接环结构，且具有显著的抗肿瘤活性，为临床上制备抗肿瘤药物提供了新的选择。