英语释义

• vermifuge used to treat infestations by roundworms or pinworms

片语

piperazine chips哌嗪片

piperazine anhydrous无水哌嗪

Piperazine ferulate阿魏酸哌嗪

piperazine feralate阿魏酸哌嗪

Piperazine Sebacate癸二酸哌嗪

Piperazine feru阿魏酸哌嗪

Hydroxyethyl piperazine羟乙基哌嗪

Piperazine Sulfate哌嗪硫酸盐

Piperazine Hydrate水合哌嗪

英汉例句

• piperazine is an important chemical intermediate. at present, the domestic demand mainly relies on import.

  哌嗪是重要的化工中间体，国内需求主要依赖进口。

• six kinds of substituted piperazine were synthesized, and the structures of these compounds were identified by 1hnmr?ir and elemental analysis.

  合成出六种取代哌嗪，并以1hnmr、ir和元素分析鑒定了其结构。

• the study indicates that there exists a first order dissociation reaction for piperazine in the solution and the second order dissociation reaction can be neglected.

  研究表明哌嗪在溶液中主要存在一级离解反庆，二级离解反应可以忽略。

• the structural directing role of alkali metal ions are generally strong than that of amine except for the piperazine and 1,3-diaminopropane.

  一般堿金属离子结构导向作用强于有机胺，但哌嗪和1，3-丙二胺例外；

• objective to improve piperazine condensation reaction in the preparation of ciprofloxacin hydrochloride.

  目的改进盐酸环丙沙星制备中的哌嗪缩合反应。

• this invention relates to novel alkyl substituted piperazine derivatives useful as monoamine neurotransmitter re-uptake inhibitors.

  本发明涉及新颖的烷基取代的哌嗪衍生物，其可用作单胺神经递 质再摄取抑制剂。

• the study indicates that there exists a first order dissociation reaction for piperazine in the solution and the second order dissociation reaction can be neglected.

  研究表明哌嗪在溶液中主要存在一级离解反应，二级离解反应可以忽略。

• objective:to observe the curative effect of piperazine ferulate tablets in treatment of lipid metabolism disorders secondary to nephritic syndrome.

  目的：观察阿魏酸哌嗪片治疗肾病综合征继发脂质代谢紊乱的疗效。

• piperazine is a familiar intermediate.

  哌嗪是常见的中间体。

• the mechanism of mass spectral fragmentation of six piperazine derivatives has been studied by measurement of high resolution mass spectrometry.

  通过高分辨质谱测定，研究六种哌嗪衍生物的质谱裂解机理。

• piperazine was separated from ethylenediamine byproduct polyethylene polyamines mixture by refrigeration and azeotrope distillation.

  通过冷冻、共沸蒸馏，从多乙烯多胺混合物中分离出哌嗪。

• results: ligustrazine bisphenylmethyl piperazine derivatives showed protective effects on ecv-304 cells injured by hydrogen peroxide, which were more effective than ligustrazine.

  结果：川芎嗪二苯甲基哌嗪衍生物具有对ecv-304细胞氧化损伤的保护作用，其活性比川芎嗪强。

• the production, application, market in domestic and foreign and derivation of piperazine is introduced. the propose is put forward.

  介绍了哌嗪的生产方法、主要用途、国内外市场情况以及哌嗪的主要衍生物，并提出了建议。

• 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。

• 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。

• the market prospects of piperazine is analyzed also.

  分析了哌嗪的市场前景。

• 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，且具有显着的抗肿瘤活性，为临床上制备抗肿瘤药物提供了新的选择。

• the synthesis of piperazine and its derivatives from hydroxylamine was discussed in this paper.

  本文讨论了以羟胺为原料环合得到哌嗪及其衍生物。

• this review deals with the processes of preparation of piperazine and the effects of reaction conditions, such as catalyst, temperature and pressure on the yield of piperazine.

  本文综述了国内外哌嗪的合成路线，以及氢和氨反应氛围、催化剂、温度、压力等因素对哌嗪产率的影响。

• conclusion the hplc method for determining piperazine ferulate concentration in plasma is rapid, sensitive and suitable for pharmacokinetic studies and routine determination of large samples.

  结论建立的hplc法快速，灵敏，适合阿魏酸哌嗪药动学研究及大样本测定。

• disclosed are a cyclin-dependent protein kinase inhibitor baicalein piperazine derivative and a preparation method, belonging to the chemical field of drugs and drug synthesis methods and purposes.

  一种周期素依赖蛋白激酶抑制剂黄芩素哌嗪衍生物及其制备方法，属于化学领域中药物及其合成方法与用途。

• 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。

• the development of application and progress in synthetic technology of piperazine are summarized in this paper.

  综述了哌嗪的应用开发及合成技术进展；

• under these experimental conditions, the yield of piperazine is about 85%.

  在该实验条件下，哌嗪的收率达到85%左右。