查询词典 equivalent weight

The actinic radiation-curable and cationically polymerizable organic substance is at least one glycidylether of a polyhydric aliphatic, alicyclic or aromatic alcohol having at least three epoxy groups with epoxy equivalent weight between 90 and 800 grams per equivalent, at least one solid or liquid alicyclic epoxide with an epoxy equivalent weight between 90 and 330 grams per equivalent having at least two epoxy groups and monomer purity greater than about 90 % by weight, or at least a solid or liquid epoxycresol novolac or epoxyphenol novolac having epoxy equivalent weight between 130 and 350, or mixtures thereof.

可光化辐射固化并可阳离子聚合的有机物质为至少一种带有至少3个环氧基团环氧当量为90―800克每当量的脂族、脂环族或芳族多元醇的缩水甘油醚，至少一种环氧当量为80―330克每当量带有至少两个环氧基团且单体纯度大于约90wt％的固态或液态脂环环氧化物，或至少一种环氧当量为130―350的固态或液态环氧甲酚线性酚醛清漆或环氧苯酚线性酚醛清漆，或其混合物。

Identify the structure of the unknown amino acid from the melting point and equivalent weight of the purified amino acid derivative.

利用已纯化的胺基酸的衍生物的等当量和熔点，可以对未知胺基酸进行结构鉴定

Designating a solution having one gram equivalent weight of solute per liter of solution.

通过排除一些无关系的成分来加强浓度（例如一种混合物中的一种溶剂）。

After the commencement of fermentation 3-4 days, then fermented grape Add to the equivalent weight of 1 / 20 of Bingtang or sugar, that is, the twice-sugar grapes for the total weight of the weight of 1 / 10, will be submerged sugar in mixing grape juice Uniform.

发酵启动后三到四天时，再放入相当于发酵葡萄重量1/20的冰糖或白糖，即两次放的糖的总重量为葡萄重量的1/10，将糖浸入葡萄汁中搅拌均匀。

After the commencement of fermentation 1-2 days, fermentation of grape Add to the equivalent weight of 1 / 20 of Bingtang or sugar, such as the 10-Banjin the burden of grape sugar, sugar will be immersed in grape juice mixed evenly.

发酵启动后一到两天内，放入相当于发酵葡萄重量1/20的冰糖或白糖，如10斤葡萄放半斤糖，将糖浸入葡萄汁中搅拌均匀。

The polyether has very low unsaturation and high equivalent weight.

它具有极低的不饱和度和很高的相对分子质量。

This introduces several basic manipulative techniques of preparative chemistry and quantitative volumetric analysis including preparation and characterization of a derivative, recrystallization, determination of equivalent weight by using titration and determination of melting points.

这里介绍了几个基本的合成技术和定量分析法，包括衍生物的合成及其结构表徵，再结晶，用滴定法确定等当量和熔点测定。

A method for the preparation of microcellular elastomeric polyurethane foams from a reaction mixture comprising a polyisocyanate component containing at least 85% by weight of 4,4'-diphenylmethane diisocyanate or a variant thereof, a polyol composition comprising at least one polyoxyalkylene polyol having an average nominal hydroxyl functionality of from 2 to 6, an average hydroxyl equivalent weight of at least 1300 and an average oxyethylene content of between 50 and 85% by weight, water, a chain extender having an average hydroxyl equivalent weight of from 15 to 250 and optionally a crosslinking agent, the hardblock-content being more than 45% by weight.

本发明是有关一种制备微孔弹性聚氨基甲酸酯泡沫体的方法，其反应混合物包括：一种含至少85重量％的4，4′－二苯甲烷二异氰酸酯或其变体的聚异氰酸酯组分，一种多元醇组合物，其包含至少一种平均标称羟基官能度从2至6、平均羟基当量至少1300且平均氧乙烯含量介于50至85重量％之间的聚氧亚烷基多元醇，水，一种平均羟基当量为15至250之增链剂，以及视需要使用的交联剂，该硬性嵌段－含量（hardblock-content）大于45重量％。

By continuous working for 60 years, the Chinese geodesists have developed the quasi-stable adjustment principle, robust estimation based on equivalent weight principle, robust estimation for correlated observations, adaptively robust filters etc.

中国学者经过60年不懈努力，在自由网平差、拟稳平差、半参数估计、不适定问题解算方法、抗差估计、自适应滤波等领域做出了重要贡献，建立了许多新的理论、模型和方法，推进了大地测量数据处理理论的进展。

Since many difficulties exist in the design of equivalent weight with correlated observations, the concept of equivalent variance-covariance is presented.

鉴于相关等价权的构造非常困难，提出了等价方差-协方差概念。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失