查询词典 rare

Blessing pulls rare · Gordon is an aurist, the audience that meets technically for heavy metal rock and roll offers audition to treat.

福拉希·戈登是一位耳科医生，专门为重金属摇滚音乐会的听众提供听力治疗。

The invention is suitable for the leaching exploitation field of uranium, copper, aurum, rare earth and so on.

适用于铀、铜、金、稀土等矿物的溶浸开采领域。

Zhang Kangkang is a broodier and rare authoress of the contemporary era coprology history of China.

张抗抗是中国当代文学史上不可多得的思考型的女作家。

This is the country's 30 provinces (municipalities and autonomous regions) is rare.

这是全国30个省是罕见的。

And many multifunctional enzymes involved in this pathway are rare in other autotrophic pathways.

途径中的关键代谢中间产物为3-羟基丙酸，并且涉及到多种在其它的自养CO2固定途径中并不常见的多功能酶。

Results of structural analyses indicated that the formed complex structure had the effect of steric hindrance on oxidation, and rare earth elements were of the utility to terminate autoxidation chain reaction.

结构分析结果表明形成的络合结构有阻碍氧化的立体效应，而稀土元素具有终止自动氧化链式反应的效用。

Some new heat stabilizers were exploited such as rare earth, organic antimony , autunite/zinc compounds, hydrotalcite and so on.

随着环保意识的逐渐加强，传统的PVC热稳定剂如铅盐类稳定剂已受到了一定的限制，相应地开发出了一系列新型的PVC热稳定剂，包括稀土类、有机锑类、钙锌复合类和水滑石类热稳定剂。

There was also an aviary full of rare birds.

那里面还有装满稀有鸟类的鸟舍。

Starting from 3-benzoyl-5-formyl-indolizine, 3-benzoyl-5-(2'2'-diacetylethenyl)-indolizines and analogs were obtained by the 〓mediated aldol condensation or Wittig reaction. These compounds,promoted by low-valent titanium, gave highly functionlizedcycl[3,2,2]azine derivatives. The coupling reaction proceeded betweenthe carbonyl group and the carbon-carbon double bond, a rare example inMcMurry reaction.

我们以3-苯甲酰基-5-甲酰基中氮茚为原料，通过三碘化钐促进的aldol反应和Wittig反应制备了3-羰基-5-羰基乙烯基中氮茚，随后经低价钛还原偶联，没有生成正常的分子内羰基-羰基偶联产物，而是得到反常的羰基与α，β-不饱羰基的双键偶联产物，较高收率地得到了含多官能团的CycI[3，2，2]azine衍生物。

Objective To improve diagnostic level of rare cases during antiretroviral therapy, we analyze the clinical and laboratory characters of dilated cardiomyopathy caused by AZT.

目的为了提高艾滋病抗病毒治疗过程中罕见病例的诊断水平，本文分析了齐多夫定所致心肌病的临床和实验室检查特点。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐