intermediate 四级六级考研GMAT

Cyclopropane carbonyl chloride is an important intermediate.

环丙甲酰氯是一种重要的间体。

Metadoxine is an intermediate of medicine used in curing acute-care and chronic alcoholism.

美他多辛是一种用于治疗急、慢性酒精毒及酒精肝病的药物间体。

This country is now at an intermediate stage of development.

这个国家目前正处于发展的间阶段。

OBJECTIVE To synthesis 5-bromide benzofuran ketone,the key intermediate of citaopram.

目的合成抗抑郁药西酞普兰间体5-溴苯酞。

Methoxychlor consignment four major production companies, acetate cobalt, manganese acetate series of intermediate products.

公司主要生产四氯苯醌、、锰等间体系列产品。

Drum machine changes would result in a null at the punner in an intermediate state.

卷筒不推力的保持不兵会导致不满转轮在洋间状况处单程摆动。

Myoid cells had three types: epithelioid, intermediate, and spindle, which showed the relations with immunohistochemistry.

滑肌样细胞分为上皮样，间型和梭形，与免疫表型有关。

Paleolithic period intermediate stage important anthropolite, has Ma Baren, the Changyang man, Ding Cunren and so on.

旧石器时代期的重要人类化石，有马坝人、长阳 人、丁村人等。

Carbenium ion is an active intermediate state in organic reactions,which has been investigated for over 100 years.

正碳离子是有机化学反应过程一种活泼的反应间体,对于它的研究已经有100多年的历史。

So far, we have synthesized pentadecane diacid , which is a very important intermediate product during preparing muscone.

到目前，我们已经合成了制备麝香酮重要的一步间产物十五碳二羧。

Secondly the enzyme is inhibited by an intermediate lower down the metabolic pathway, usually either phosphoenolpyruvate or citrate.

其次，减缓代谢途径的一个间体，通常是磷烯醇或柠檬降低酶的活性。

Using ortho-bis(porpargyl alcohol) derivatives as starting materials, we employed sulfenyl or sulfinyl chloride under base condition to generate bis-allene intermediates.

所采用的合成方式以邻位二丙炔醇为起始物，在碱性环境与次磺氯或亚磺氯作用生成丙二烯后，再经环化反应得多并苯化合物。

Our main products include: Tibolone, Trenbolone Acetate, Norgestimate, Melengestrel Acetate, Levonorgestrel, Gestodene, Estriol, Estradiol and related intermediates.

主要产品为替勃龙、坦勃龙、诺孕酯、美伦孕酮、左炔诺孕酮、孕二烯酮、雌三醇、雌二醇等及其间体。

Organic colors related to carcinogenic aromatic amine, especially the important intermediate 3,3' dichloroaniline of organic color are discussed in details.

本文就有机颜料涉及的致癌芳香胺,特别是有机颜料的重要间体3,3′二氯联苯胺作详细阐述,并对其他一些生态环保问题进行探讨。

The synthesis of epalrestat,an aldose reductase inhibitor, was improved. The yield of its intermediate 3-carboxymethyl rhodanine was raised to 76.4%.

对醛搪还原酶抑制剂依帕司他的合成工艺作了改进，使间体绕丹宁乙的收率提高到76．4％。

On Paphiopedilum malipoense sp. nov.-- an intermediate form between Paphiopedilum and Cypripedium, with a discussion on the origin of the genus.

麻栗坡兜兰 -- 兜兰属与杓兰属的一个间类型，兼论兜兰属的地理起源问题.

It presented the synthetic methods as well as experiment results of brominated or chlorinated propyl antimonites and its intermediate propenyl anti-monite.

绍了溴（氯）代丙基亚锑酯及其间体烯丙基亚锑酯的合成方法及应用试验结果。

Nonnatural amino acid 3-(4-thiazolyl)-D,L-alanine hydrochloride and its four intermediates were synthesized, their structures were detenmined by IR,NMR,elementary analysis and melting point.

合成了非天然氨基3-(4-噻唑基)-D，L-丙氨盐盐以及三个间体，其结构分别通过红外光谱、核磁共振、元素分析、熔点等测试手段得到确证。

Description: Produces pharmaceutical products including doxopin hydrochloride, chlorprothixene and phenoxy benzamine and other intermediates. Company profile, and product and contact details.

主要生产盐多塞、氯普噻吨和盐酚苄明等多种原料药及十多个医药间体。

Where the intermediator has facilitated the conclusion of the contract, the expenses for the intermediate service shall be borne by the intermediator.

居间人促成合同成立的，居间活动的费用，由居间人负担。