查询词典 sulphonic

Methane sulphonic acid has the right combination of properties for electroplating baths containing lead, tin, copper, nickel and some precious metals.

在含有铅、锡、铜、镍和一些贵金属的电镀池中，甲磺酸是一种很好的电解质。

More specifically, the PAn film attains a metal luster when doped with organic sulphonic acid in addition to having a fine and closely packed grains with good toughness.

结果表明：有机磺酸掺杂的聚苯胺薄膜具有金属光泽及较高的致密性和较好的韧性。

In this paper, the orthogonal experimental analysis method is used to study on the effects of molar ratio of the unsaturated vinyl monomers, with carboxylic groups or sulphonic groups or polyoxyethylene side chain groups,etc., and the effects of the mean degree of polymerization in PEO side chains.

根据聚羧酸系高效减水剂的结构特点，采用正交试验分析法，分别研究了带羧基、磺酸基、聚氧化乙烯链酯基等活性基团的不饱和单体的物质的量之比及聚氧化乙烯链的聚合度等因素对聚羧酸系减水剂性能的影响，从而得出合成聚羧酸系高性能减水剂的一种最佳配方，并对试制产品进行了性能试验。

Methods 60 female SD rats were randomly divided into four groups, namely normal control, pathological, solfasalazine and JCKT groups. Experimental colitis model in rats were induced by Trinitrobenzene sulphonic acid. The expression of EGFR and PCNA were observed by immunohistochemistry.

雌性 SD 大鼠 60 只，随机分为 4 组，分别为正常对照、模型、柳氮磺胺吡啶及结肠康泰组，以 5% 2，4，6-三硝基苯磺酸诱导大鼠形成结肠炎症，免疫组化法观察 EGFR 及 PCNA 的表达。

Under the microwave radiation condition, single octademaleat was synthesized with malefic anhydride and octadecanol as raw materials and ptoluene sulphonic acid as catalyst.

在微波辐射条件下研究以马来酸酐和正十八醇为原料，对甲苯磺酸为催化剂，合成马来酸单十八酯。

Methods 60 female sd rats were randomly divided into four groups, namely normal control, pathological, solfasalazine and jckt groups. experimental colitis model in rats were induced by trinitrobenzene sulphonic acid.

雌性 sd 大鼠 60 只，随机分为 4 组，分别为正常对照、模型、柳氮磺胺吡啶及结肠康泰组，以 5% 2，4，6-三硝基苯磺酸诱导大鼠形成结肠炎症，免疫组化法观察 egfr 及 pcna 的表达。

A series of adsorption cation resins were prepared by loading different metal ions on macroporous sulphonic resin(D151)respectively,and the adsorption property of isomaltotriose on these resins has been investigated.

将一系列不同的金属离子分别载于D151树脂上，制备成基体相同而负载离子不同的一系列吸附树脂，考察各种负载金属离子树脂在水中对异麦芽三糖的吸附性能，从中筛选出吸附和洗脱性能较好的D151Ca2+型树脂。

By way of orthogonal testing analysis,study was carried out on effects of molar ratio of unsaturated monomers with carboxylic groups,sulphonic groups,polyoxyethylene side chain groups and mean degree of polymerization of polyoxyethylene side chain groups on performance of polycarboxylic series of water reducer.

采用正交试验分析法，研究了带活性基团羧基、磺酸基、聚氧化乙烯链基等不饱和单体的摩尔比及聚氧化乙烯链的聚合度等对聚羧酸系减水剂性能的影响，提出一种合成聚羧酸系高性能减水剂的最佳配方。

0 H; reaction temperature: 140～ 150°C ; molar ratio of p toluene sulphonic acid to salicylic acid, 1∶11, with no water carrying reagent; yield: about 98%.

应用对甲苯磺酸作为水杨酸和 2 -乙基己醇的酯化催化剂，成功合成了水杨酸- 2 -乙基己酯。

P-cresylic acetate was synthesized with acetic acid and p-cresol as raw materils using p-toluene sulphonic acid supported on active carbon as catalyst.

以乙酸和对甲苯酚为原料，采用活性炭负载对甲苯磺酸作催化剂合成乙酸对甲酚酯。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。