ester的例句大全

Vicinal diol can be effectively translated into azelaic acid and the corresponding dicarboxylic acid monomethyl ester.

邻二醇可以有效地转化为壬酸和相应的二元酸单甲酯。

Test methods for acid value, saponification value, ester value, iodine value, hydroxyl value and unsaponifiable matter of chemical products

化学产品酸值、皂化值、酯化值、碘值、羟值及未皂化物质化学分析方法

Essential oils& Determination of ester value of oils containing difficult-to-saponify esters

GB/T14455.10-1993精油含难以皂化酯类的精油酯值的测定

Essential oils ( containing tertiary alcohols)& Estimation of free alcohols content by determination of ester value after acetylation

GB/T14455.8-1993精油（含叔醇）乙酰化后酯值的测定和游离醇含量的评估

It not only describes the extraneous factors influencing the esterification, but also explains the internal reasons which restrict the ester value of iso-octyl salicylate.

文中讨论了影响酯化反应的外部条件，同时对制约水杨酸异辛酯酯化率的内在因素也作了相应的解释。

Thereby the relationships between the colloidal stability of viscose and the ester value of cellulose sulphonate, as well as the alkalinity and the quantity of CS2 used are discussed.

本文通过对溶解和熟成初期过程的研究，着重论述了粘胶的胶态稳定性与纤维素黄酸酯的酯化度、溶液中碱的浓度和CS2用量之间的关系。

Adjustment of the after-solution temperature and the solidification bath temperature may improve the structure and morphology of the product, which can be explained with the concept of residual ester value. This shows that the selected technological parameters are reasonable.

通过溶解温度和凝固浴温度的调整，可以改善产品的结构形态，并用剩余酯化度的概念解释了二者之间的关系，证明了工艺参数选择的合理性。

It analyzes half ester acid value change and synthesis results by acid value titration.

用酸值滴定、红外光谱分析半酯酸值变化和合成结果。

Besides five QNs were directly coupled to BSA and OVA by active ester method.

再利用活化酯法将五种喹诺酮药物直接与BSA和OVA偶联。

In addition, the problem of ester exchange of rosin esters as the function of TMAH and the condition for their determination were proposed.

本文还提出了有关中性松香施胶剂中松香酯成分由于TMAH作用而产生的酯交换问题及其解决办法。

Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.

阿托品是治疗由于用胆碱酯类不慎而引起的心血管性虚脱的特效解毒剂。

Greenhouse experiments were conducted to evaluate the action of combinations of bromoxynil and 2,4-D butyl ester in controlling dayflower.

在温室盆栽条件下，采用等效线法评价辛酰溴苯腈与2,4-D丁酯混用后的联合作用类型。

The interchangeableness between r_1 and r_2 groups in carboxylic ester molecules and its application

羧酸酯分子中R1与R2的互换特性及其应用

[ Method] Protoheme was separated from protein hydrolysate of coagulated animal blood and protoporphyrin, protoporphyrin dimethyl ester and other intermediate products were extracted, which were finally made into protoporphyrin disodium.

方法将凝固动物血中的蛋白质水解，分离出血红素，经原卟啉、原卟啉甲酯等中间产物，最终精制获得原卟啉钠。

Acylglycerol ( glyceride) An ester of glycerol and one or more fatty acids.

酰基甘油：一种甘油酯或者一种或几种脂肪酸。

Synthesis about a kind of expanding monomer with bicyclic ortho ester group

双环原酸酯类膨胀单体的合成

The curing kinetics of the vinyl ester resin used in pultrusion process was studied by non-isothermal DSC test, and the apparent activation energy(Δ E) and the reaction order ( n) of the curing reaction were calculated by using the Kissinger and Crane equation.

采用非等温DSC法研究了适合于拉挤工艺的乙烯基酯树脂体系固化反应动力学，用Kissinger方程和Crane方程求得树脂体系固化反应的表观活化能为68.3kJ/mol，反应级数为0.918。

Study on synthesis of maleic ( 2-2 ethyl hexyl) ester by HWP

杂多酸催化合成马来酸（2-2乙基己基）酯的研究

The main work is as follows: ( 1) We chose angiotensin converting enzyme ( ACE) extracted from lung and Aspergillus niger genus lipase to hydrolyse the substrate of hippuryl-histidine-leucine ( HHL) and tributyrin substrate glycerol ester respectively.

主要工作如下：1.以猪肺血管紧张素转化酶（ACE）水解底物马尿酰-组氨酸-亮氨酸，黑曲霉属脂肪酶水解底物三丁酸甘油酯作为研究对象。

A water-soluble acrylic resin applicable to-oriented silicon steel sheet was prepared acid and its ester.

环境保护日益受到重视,在无取向硅钢片上采用 水性 丙烯酸树脂顺应了这种趋势.