英语释义

1. a colorless liquid ketone CH3COC6H5 formerly used as a hypnotic but now used chiefly in perfumery — called also hypnone

片语

trans acetophenone对丙基环己基苯乙酮

Diethoxy Acetophenone二乙氧基苯乙酮

Acetophenone oximeCAS苯乙酮肟

methoxy acetophenone甲氧基苯乙酮

Muskiness Acetophenone苯乙酮麝香

Acetophenone Azine乙酰苯吖嗪

Acetophenone 10g苯乙酮

acetyltoluenemethyl acetophenone甲基苯乙酮

buy Acetophenone印度买家

英汉例句

• In this paper, we reported a new method of bromination of acetophenone using potassium bromate in phosphoric acid. Some factors that effect yield are also discussed.

  探讨了用溴酸钾—磷酸体系溴化苯乙酮的溴化新方法，并讨论了影响反应收率的几个因素。

• The yield of benzylidene acetophenone reached 31.4% under optimal conditions.

  在最佳条件下，芐叉乙酰苯的收率可达31.4%。

• A novel addition reaction of methyl phenyldiazoacetate to enamine(which was prepared from acetophenone and secondary amine) was investigated using copper salt as a catalyst.

  在铜盐催化剂的作用下，重氮苯乙酸甲酯与吗啉衍生的烯胺能够发生一种新型加成反应。

• Odorants such as acetophenone and deuterated acetophenone, for example, have the same molecular structure; one is just built from a slightly heavier hydrogen atom, known as deuterium.

  例如苯乙酮和氘苯乙酮气味分子具有相同的分子结构，其中一个是用称为重氢的氘原子构成。

• Because odorants like acetophenone and d-acetophenone mainly differ in their vibration patterns, the most plausible explanation, he says, is that flies can 「smell molecular vibrations.」

  因为像苯乙酮和D -苯乙酮两种气味分子的主要不同来自于振动模式，最合理的解释，他说，是苍蝇可以「感知分子的振动」。

• It could be used as the process and quality control means in acetophenone from phenol tar.

  该法操作简单、快速、準确，适合于苯酚焦油中回收苯乙酮的生产过程分析和成品质量检验。

• Synthesises eighteen kinds of cinnamylidene acetophenone derivatives and discusses their properties of IR, UV, photoacoustic spectrum , X ray diffraction and second harmonic generation (SHG).

  合成了十八个二苯基戊二烯酮类化合物，并对其进行了一系列性质测试，包括红外、紫外、核磁共振、粉末X衍射、光声光谱及倍频性质等。

• Asymmetric reduction of acetophenone derivatives preparing chiral aromatic alcohol has become a new focus of study.

  苯乙酮衍生物的不对称还原合成手性醇，制备手性药物是现在研究的热点。

• The electrochemical oxidation of 10 substituted benzaldoximes and 5 substituted acetophenone oximes has been studied.

  研究了10种取代苯甲醛肟和5种取代苯乙酮肟的电化学氧化机理。

• Using the new method, 2 hydroxy 3 cyanmethyl 5 methyl acetophenone was synthesized in a short reaction period, and the yield was good.

  采用新方法合成了鲜见文献报道的新化合物2 -羟基-3-氰甲基-5 -甲基苯乙酮。 该方法具有反应时间短、操作简便、收率好等优点。

• Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.

  方法以苯甲醛衍生物和苯乙酮为原料，弱堿碳酸钾为催化剂，水为溶剂，用相转移催化法合成查耳酮衍生物。