化合物

It is difficult to form a ternary compound phase in the produced powders if any two components of the ternary alloy cannot compound or solid solute each other at equilibrium conditions.

三种组元中只要有一组不能相互反应形成化合物相或固溶体相，则在其纳米粉末中难以生成三元化合物相。

Purified degree of flavonoids was 78. 21 %. Purification of terpene lactones was improved without losing activity.

经分析检测，黄酮类化合物产品的纯度达到78.21％，萜内酯类化合物的纯度达到12.64％，且保持了较好的生物活性。

It was showed that separation of flavonoids and terpene lactones with pretreating raw material solution by foam separation technology had simple working procedure and increased efficiency.

此工艺实现了黄酮类化合物和萜内酯类化合物的初步分离，减轻了精制过程的负担。

Flavonoids and terpene lactones were the effective components of Ginkgo biloba leaves, which are mainly used for the improvement of the blood circulation, both peripherally and centrally.

黄酮类化合物和萜内酯类化合物是银杏叶主要的有效成分，具有重要的药理作用。

Environmental contaminants, such as anthropogenic chlorinated compounds tri-chloroethylene and tetrachloroethylene, can be reductively dehalogenated to less chlorinated ethenes or innocuous compounds by micro-organisms through halorespiration under anaerobic condition.

中文摘要环境中的污染源像是三氯乙烯和四氯乙烯这些含氯碳氢化合物可在厌氧的环境之下，经由微生物的卤化呼吸作用将其进行还原性脱氯使其变成含氯较低的含氯碳氢化合物，或者无毒害性的物质。

They were identified as 3-imino-N-(α-imidoethylamino)butyrolactam and neononane tetracid, respectively. The antitumoral activity on liver tumor cells SMMC-7721 was determined in vitro.

根据化合物的理化、谱学性质及X-射线晶体衍射分析结果，确定2个羧酸衍生物类化合物为3-亚胺基-N-丁内酰胺和新壬四酸。

The major sulfur containing compounds identified in the odor concentrate of cultured prawn were thiazole compounds.

养殖对虾中以GC-MS鉴定的含硫化合物主要是噻唑类化合物。

Author had started the research on design and synthesis of heterocycles several years ago, mainly focused on the design and synthesis of imidazole, thiazole, tetrazole derivatives and their glucosides, in which most of them may have some particular bioactivities.

本论文主要是围绕具有生理活性含氮杂环化合物的设计与合成而展开的，在论文工作中我们应用液相"一锅法"和固相组合化学方法进行了咪唑环、噻唑环、四氮唑环等具有生理活性的杂环化合物及其糖苷的合成。

The chapter 6 makes a study on the design and synthesis of new glycosides, which prepared from imidazole, thiazole and tetrazole aglycones mentioned above and glucose derivatives by phase transfer catalysis under the moderate reaction condition.

我们以合成的新杂环化合物作为糖的配基，用相转移催化法合成了25个糖苷类化合物。其中包括4个咪唑氮糖苷，12个含有噻唑环的糖苷，6个含有噻唑环的糖酯，3个四氮唑糖苷。

Two series of thirty-two aryl arylmercury studies were synthesized by the reaction of arylmercuric chloride with thiophenol or 4-methylthiophenol in ethanol.

芳汞基氯化汞和苯硫酚或对甲基硫酚在乙醇中反应合成了两个系列共32种芳汞基芳基硫化合物，其中22种为新化合物。

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。