查询词典 sulfonic

The energetic interaction between dyes and PAN-DCD is related to the number of sulfonic acid group in dye structure.

因此，染料分子与PAN-DCD之间相互作用的絮凝脱色过程是受能量作用和疏水作用共同制约的。

And alkyl or alkylene,an amino acid eater having an extremely high reactivity,sulfonic acid group can be added into side chain of polyaspartic acid to form modified polyaspartic acid.

许多药物具有—NH2基团，能够与PASP的羧酸形成酰胺基团，被嵌入到PASP分子链上，改变PASP的性质。

The latter was esterified with allyl alcohol in the presence of the catalyst toluene-p-sulfonic acid to get the title compound in the yield of 87.1%.

后者在对甲苯磺酸催化下与烯丙醇经酯化反应制得标题化合物，收率为87.1%。

A novel method for synthesizing the amino-sulfonic acid series amphoteric surfactants was developed.

给出了氨基磺酸系两性表面活性剂的一种新合成方法。

Novel sulfonic acid and carbon chains of mixed-mode packing materials were synthesized through sulfonating polymer-encapsulated zirconia covered by a porous copolymer of olefinic hydrocarbon and divinylbenzene on its surface.

通过共聚交联方法将长链碳烯-苯乙烯包覆到锆胶表面上，得到聚合物包覆固定相，再对该填料进行磺化引入离子官能团到聚合物表面，得到混合型固定相。

The influences of different surfactants (sodium dodecyl sulfate, sodium cholate and sodium deoxycholate), different electrolytes (sodium phosphate monobasic, sodium tetraborate and 3-cyclohexylamino-1-propane sulfonic acid), buffer pH and organic modifiers on the determination of sialic acid were studied.

其次建立了一种测定唾液酸的在线富集CZE法，该方法用40 mM磷酸二氢钠为缓冲溶液电解质，通过将样品溶解在乙腈：水=2：1的样品基体中，进样时间增加到100 s来达到样品富集的效果，并考察了样品基体中乙腈浓度和进样时间对富集效果的影响，研究了用硼砂或3-环己胺-1-丙烷磺酸作为电解质、缓冲溶液pH值和有机修饰剂的加入对唾液酸检测的影响。

Amino-5-acety laminobenzenesulfonic acid has been synthesized from 2, 5-diaminobenzene sulfonic acid and Acid Red BG (CI Acid Red 37) has been synthesized by coupling the diazonium salt of 2-amino-5-acetylaminobenzenesulfonic acid with racid.

利用2，5-二氨基苯磺酸为原料合成2-氨基-5-乙酰氨基苯磺酸，并进一步经2-氨基-5-乙酰氨基苯磺酸重氮盐与γ酸的偶合反应合成了酸性红BG（CIAcidRed37），并对影响反应的因素进行了讨论

The paper introduced three processes to prepare isochroman from β-phenethyl alcohol and polyformaldehyde:HCl catalysis,AlCl_3 catalysis and toluene-p-sulfonic acid catalysis,and discussed its reaction mechanism,using toluene-p-sulfonic acid catalysis method to prepare isochroman ,the yield is 46%,purity is 96%.

用β-苯乙醇和多聚甲醛为原料，进行了HC l催化法，三氯化铝催化法和对甲苯磺酸催化法的合成路线的实验，并对其反应机理进行了探讨，应用对甲苯磺酸催化法合成异色满的合成路线，得率46%，纯度96%。

Sulfonic-4-(β-sulphatoethyl-sulphone) phenylamine is often applied to producing bifunctional-soluble reactive dyes and is an important dye intermediate. It plays an important role in the synthesis of KN style reactive dye M style double reactive dye and modified dissimilar double reactive dye. Used 2-sulfonic-4-(β-sulphatoethyl-sulphone) phenylamine as raw material can improve the uniformly dying performance and scourablility of dyestuff molecules and can improve the firm degree of colour staining.

2-磺酸-4-苯胺是制备水溶性双活性染料的重要中间体，在KN型活性染料、M型双活性染料以及改性异种双活性染料的合成中起着重要的作用，用2-磺酸-4-苯胺作原料合成活性染料可增加染料分子的匀染性和易洗涤性，提高染料的粘色牢度。

The advantage using the lignin as the raw stuff was analyzed and it was also pointed out that the lignin has wide prospects in China. Judging from the mechanism of CWS additives, the difference between polystyrene sulfonic sodiums and naphthalene sulfonic condensations is due to the different adsorption ways.

从煤的分散机理方面阐述了聚苯乙烯磺酸钠与亚甲基磺酸盐两类添加剂的差异在于吸附方式的不同，指出了木质素作为水煤浆添加剂的优势及其在我国利用的广阔前景。

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。