英语释义

1. a soluble weakly basic nitrogenous compound CO(NH2)2 that is the chief solid component of mammalian urine and an end product of protein decomposition, is synthesized from carbon dioxide and ammonia, and is used especially in synthesis (as of resins and plastics) and in fertilizers and animal rations

2. a substance that contains nitrogen, is found in the urine of mammals and some fish, and is used in some kinds of fertilizer

3. a compound of nitrogen that is the chief solid substance dissolved in the urine of a mammal and is formed by the breaking down of protein

4. a soluble weakly basic nitrogenous compound CH4N2O that is the chief solid component of mammalian urine and an end product of protein decomposition and that is administered intravenously as a diuretic drug — called also carbamide

片语

aroyl ureas芳酰基脲

aryl ureas芳基脲

substituted ureas取代脲

methylene ureas亚甲基脲

Ureas resin尿素树脂

urea resin尿素甲醛树脂；脲醛树脂；[树脂] 尿素树脂

urea nitrogen尿素氮；脲氮

urea fertilizer尿素；尿素肥料

cyclic ureas环尿素

urea peroxide[有化] 过氧化脲

unsymnietric ureas非对称脲

amidino ureas脒基碳酰胺

urea formaldehyde脲醛；尿素甲醛

Benzothiazole Ureas苯并噻唑脲

urea formaldehyde resin脲醛树脂；尿素树脂；脲醛尸

英汉例句

• by retrieving concerned literatures, this article discussed comprehensively the biological activities of phenyl ureas, acyl ureas and tetrazoles.

  本文通过检索文献，对苯脲类、酰基脲类、酰基硫脲类及四唑类化合物的生物活性作了系统的论述。

• the result of the test shows that the activity against the plant pathogen fungi of most of the tested compounds is better than that of benzoylphenyl ureas as the control (ph6042).

  实验结果表明大部分被测试化合物的抗植物病原体真菌活性优于对照品灭幼唑（ph6042）。

• the invention relates to novel specifically trifluoromethyl and halogen substituted 1,3-diphenyl ureas and their use as active ingredients in the preparation of pharmaceutical compositions.

  本发明涉及新的特别由三氟甲基和卤素取代的1，3-二苯基脲，以及它们在药物组合物的制备中作为活性成分的用途。

• by consulting concerned literatures, we reviewed the biological activities of triazole , 1,3,4-thiodiazole, acyl ureas and ureas, and the synthetical methods of acyl ureas and ureas.

  本文通过文献检索，对酰基脲和脲类化合物的生物活性与合成方法以及三唑、1，3，4-噻二唑类化合物的生物活性做了比较全面的综述。

• eight substituted ureas herbicides were synthesized with bis(trichloromethyl) carbonate(btc). the production structures were identified by elemental analysis and ir.

  用二（三氯甲基）碳酸酯（btc）代替光气，「一锅法」合成了8种取代脲类除草剂，产物结构经元素分析、ir确证。

• the third chapter was devoted to the study of quantitative structure-activity relationship(qsar) for indazolyl ureas as trpv1 antagonists.

  第三章致力于吲唑脲类辣椒素受体（trpv1）通道拮抗剂的定量构效关系（qsar）研究。

• radiation curable 1,3,5-triazine carbamates and 1,3,5-triazine ureas containing vinyl groups, methacryloyl groups, or acryloyl groups.

  可辐射固化的含有乙烯基、甲基丙烯酰基或丙烯酰基的1，3，5-三嗪氨基甲酸酯和1，3，5-三嗪脲。

• results also showed that the molecular weight of peg flexible spacers in chain-extended ureas basically had no influence on the reactive activity of the ureas.

  扩链脲的反应活性基本不受分子中聚乙二醇链段分子量的影响。