acetoin是什么意思

网络释义

用法例句

Furoin was synthesized by acyloin condensation starting from furfural and VB 1 as a catalyst, and followed by esterification into furoin acetate with acetic anhydride in 88%～90% yield.

以糠醛为原料，ＶＢ１为催化剂，利用偶姻缩合反应合成了糠偶姻，糠偶姻被醋酐酯化为糠偶姻醋酸酯。

The α-hydroxyketone (acyloin) flavoring series by the use of coenzyme vitamin B_1 ascatalyst in the non-aqueous system are prepared in high yields.

用辅酶VB_1做催化剂,在非水体系中合成了α-羟基酮(偶姻)系列香料7种,产率较高。

Synthesis of furoin using VB_1 as catalyst;

VB_1催化糠偶姻缩合的研究

This paper is intended to delineate spectacular achievements that have been made in the area of catalysis using N-heterocyclic carbenes for the asymmetric benzoin condensation in the past ten year

模拟硫胺素辅酶的卡宾立体选择性催化剂是化学家的研究热点,对近十年来手性N-杂环卡宾在对映选择性偶姻缩合中的应用进展进行研究。

Catalytic oxidation of benzoin to benzil by molecular oxygen using metal oxide supported on activated charcol, silcon oxide, activated aluminum oxide and obsorbe resin as catalyst at atmosphere pressure was studied.

考察了几种常用载体负载金属氧化物催化分子氧氧化苯偶姻制备苯偶酰的性能 ,发现氧化铁 /三氧化二铝催化活性较高 ,稳定性较好 。

dihydro-2,3-diphenyl-1,4-dioxene and 5,6-dihydro-2,3-diphenyl-1,4-oxathiin were synthesized by the reaction of benzoin with ethylene glycol or 2-mercaptoethanol under microwave irradiation.

用微波辐照方法研究了苯偶姻与乙二醇或巯基乙醇在酸催化下的缩合反应 。

Dry oxidation of benzoin with air under microwave irradiation gave benzil in excellent yield.

研究了微波辐射下干法氧化苯偶姻生成苯偶酰的反应。

benzoin acetate

苯偶姻乙酸酯，乙酰苯偶姻

Synthesis of Benzoin Acetate with Anhydrous Potassiuim Carbonate as Catalyst

无水K_2CO_3催化合成苯偶姻乙酸酯

Research on Enantioselective Benzoin Condensations Using N-heterocyclic Carbenes;

手性N-杂环卡宾催化不对称偶姻缩合研究进展

Study on synthesizing the arylacyloin by using Vatimin B1 injection as the catalyst;

维生素B_1注射液催化合成芳偶姻的研究

Study on Production of Chiral Acetoin and (2S,3S)-2, 3-butanediol by Biocatalysis

生物法生产手性乙偶姻及（2S,3S）-2，3-丁二醇的研究

A Novel Synthesis of Benzoin Catalyzed by Thiazolium Salts

苯甲醛安息香缩合反应催化合成苯偶姻新方法

Other fixatives which may be used include the oleoresins such as benzoin, or styrax.

其他可用的固定剂有苯偶姻或安息香等含油树脂。

Synthesis of the Precursor of Acyloin Derivatives of Ferrocene--2-Ferrocenyl-2-(Aryl Hydroxymethyl)-1,3-Dithiane

二茂铁偶姻衍生物前体——2-二茂铁基-2-(芳基羟甲基)-1,3-二噻烷的合成

Make one of the partners in a marriage stop loving the other

使婚姻中的一个伴侣停止爱其配偶

Make one of the partner in a marriage stop loving the other.

使婚姻中的一个伴侣停止爱其配偶。

What is the best way to keep your spouse happy in the marriage?

在婚姻中保持配偶幸福的最好方法是什么？

Which of the following is your marital status, single, married, divorced or widowed?

下列何者是你的婚姻状态，未婚、已婚、离婚或丧偶？

Domain-specificity of Long-term Mate Preference among Chinese Young Females;

中国青年女性婚姻择偶的领域特殊性研究

Does gay marriage, as claimed, resemble monogamous heterosexual marriage more than polygamy does?

同性婚姻如同所被宣称的那样比多配偶制更像一夫一妻制的异性婚姻吗？

On Mother JIA s Liberal Views on Marriage--From the Spouse Standards She Set for JIA Bao-yu;

从贾母所定择偶标准看其开明婚姻观——兼论林黛玉婚姻悲剧产生的原因

Spouses have equal rights of occupation of the matrimonial home( the main residential home of the couple).

配偶双方均拥有婚姻居所(夫妻的主要居所)之居住权。

a marriage settlement, ie one made by a spouse in favour of his/her spouse when they get married

婚姻财产协议（结婚时一方向配偶转让财产的协议）.

Faithful responsibility" is the core of spouse right and the principle applicable to the marriage laws of all countries.

忠实义务"是配偶权的核心内容,也是各国婚姻法普遍规定的原则。