英语释义

1. a toxic white crystalline lactone C9H6O2 with an odor of new-mown hay found in plants or made synthetically and used especially in perfumery and as a parent compound in anticoagulant agents also a derivative of this compound

2. a toxic white crystalline lactone C9H6O2 with an odor of new-mown hay found in plants or made synthetically and used especially in perfumery and as the parent compound in various anticoagulant agents (as warfarin) also a derivative of this compound

片语

coumarin derivative香豆素衍生物

coumarin cumarin香豆素

carboxychlorohydroxy coumarin氯羟基香豆素羧酸

coumarin plants含香豆素植物

hydroxy coumarin羟基香豆素

methytal coumarin羟甲基香豆素

coumarin chloride氯代香豆素

coumarin sulfonylureas香豆素磺酰脲类

coumarin necrosis香豆素坏死

cumarin香豆素；氧杂萘邻酮

英汉例句

• results:imperatorin and other main coumarin compounds of radix angelicae dahuricae dispensing granules in the market could not be determined because of low content.

  结果：市售产品中欧前胡素等几个主要的香豆素类成分由于含量太低而未检测出。

• this paper aims to design and synthesize a non-nucleoside class of coumarin derivatives as the lead compounds with breast cancer and hiv inhibitory activity.

  本论文旨在设计合成一类非核苷类对乳腺癌及hiv有抑制活性的具有潜在应用价值的新型香豆素衍生物。

• coumarin and oil are the main component.

  主要含有挥发油和香豆素类成分。

• the dye rhodamine b and coumarin mixture is used to sensitize nanocrystalline porous films.

  采用罗丹明-b与香豆素混合的方法，配制成敏化剂修饰纳米晶薄膜。

• researchers have identified six coumarin derivatives that exert antispasmodic and vasodilatory effects.

  研究人员发现，造成六名香豆素衍生物、安神扩血管效应。

• coumarin and its derivatives were widely distributed throughout nature, and exhibited diverse bioactivities.

  香豆素及其衍生物在自然界中分布极其广泛，生物活性多样。

• the content of some coumarin in roots of glehnia littoralis in the different years were determined with hplc.

  利用hplc技术，对不同生长年份北沙参中的香豆素含量进行了测定分析。

• the chromogenic mechanism of the fluorescent compds. for textiles were presented with emphasis on coumarin and 1,8- naphthalimide dyes. the future research directions were also probed.

  介绍了用于纺织品的荧光化合物的发色机理，探索了未来的研究方向。重点介绍了香豆素类、1，8-萘酰亚胺类荧光染料。

• objective to study the antitumor activity of otiose and coumarin in novobiocin.

  目的研究新生霉素的结构单元诺维糖和香豆素的抗肿瘤活性。

• in the initial period of rice seedling growth, under the coumarin influence, seedling'swater content is obviously higher than the control group, and increases with the concentration.

  在水稻幼苗生长初期，香豆素影响下幼苗的含水量明显高于对照组，且随浓度的增大而增加。

• and then, synthesis of some coumarin derivatives with great potential application or in clinical studies was given as an example.

  且列举了一些具有巨大潜在应用前景或已进行临床研究的香豆素衍生物的合成。

• so right in ionic liquid medium of coumarin synthesis of high significance.

  因此对在离子液体介质中的香豆素合成具有很高的研究意义。

• absorption spectra of three novel coumarin sensitizer incorporate benzylidene cyclopentanone moiety were studied.

  比较研究了三种含芐叉环戊酮基团的新型香豆素类光敏染料。

• objective to determine the total content of coumarin in angelica dahurica.

  目的建立川白芷药材中总香豆素的含量测定方法。

• coumarin has been synthesized in perkinreaction of acetic anhydride and salicylaldehydecatalyzed by anhydrous potassium carbonate.

  用无水碳酸钾代替无水醋酸钠催化合成了香豆素。

• conclusion: cortex fraxini total coumarin has somewhat pain relieving effect on acute gouty arthritis.

  结论：秦皮总香豆素对急性痛风性关节炎有一定的止痛效应。

• among their diverse bioactivities, we focused our discussion on the coumarin derivatives with anti-breast and anti-hiv activities in this dissertation.

  本论文主要探讨了香豆素衍生物在抗乳腺癌及抗hiv活性上的应用与合成。