查询词典 enol

In this reaction a lag period was discovered which may be resulted from isomerism of enol and ketone.

结果表明，2-羟基吡啶、4-羟基吡啶不能被酪氨酸酶氧化，也不是酪氨酸酶的抑制剂。

At the meantime, we synthesized the chiral spiroketal enol ether steroselectively and their absolute configuration were determined.

我们还对螺环缩酮烯醇醚类化合物的立体选择性形成规律进行了探索，并取得了积极的结果。

The keto form predominates in many aldehydes and ketones, the enol form in phenols.

在许多醛和酮中酮基都是最主要的组分。

The crystal structure analysis of photocolored product showed that the photochromic phenomenon was due to photoisomerization from enol form to keto form.

结构分析表明：其光致变色现象是由于它在溶剂与光的共同作用下发生了从醇式到酮式的异构化。

The results of density functional calculations indicate that the enol form E1 is the most stable tautomer at the ground state.

研究结果表明，醇式异构体E1为2-(2-巯苯基)苯并噁唑的优势构型；在E1向K转变过程中，存在一个较小的能垒；当考虑零点振动能后，逆向能垒消失。

Neuron specific enol enzymeis key enzyme of glycolytic pathway,which exist in neurocyte and neuroendocrine.

神经元特异性烯醇化酶(neuron specific enolase，NSE)是糖酵解途径中的关键酶，它存在于神经组织和神经内分泌系统。

The blocking agent with enol keto structure was used in the preparation of hybrid PUA aqueous dispersions for the first time, which made some aromatic diisocyanates be successfully applied to preparing the dispersion.

首次将具有烯醇结构的封端剂用于水性PUA的制备，使得反应活性较高的芳香族异氰酸酯也可成功地用于PUA水分散液的制备。

Furthermore, compared with the tautomerizing processes of uracil, the probability of 5-FU to tautomerize to its enol form is much higher. Based on such facts, the reason why 5-FU is an effective anticancer medicament but with some of toxicity is explained to some extent.

通过与尿嘧啶质子转移过程相比较，发现在各种情况下5-氟尿嘧啶异构化为烯醇式的几率均比尿嘧啶的大，在一定程度上解释了为什么5-氟尿嘧啶具有优良抗癌作用的同时具有一定的毒副作用。

Is introduced in this paper,which refers to the enol compound s are as accelerator for anaerobic adhesive,and the comparison between this novel accelerator and conventional ones (substituted hydrazine,amine and saccharin) is carried out.

本文是一篇中国专利(专利申请号：200610034451.2)内容的简介，此专利内容是涉及用烯醇类化合物作为厌氧胶的促进剂，并与现代厌氧胶产品中惯用的促进剂代表性组成进行比较。

Systematic studies on the Hetero-Diels-Alder reaction between the o-Quinone methidesand different enol ether dienophiles for the construction of the spiroketal skeleton was described.

较系统地研究了邻甲基苯醌与不同的烯醇醚亲双烯体之间的Hetero-Diels-Alder反应对螺环缩酮结构的构筑及其应用。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐