磺酸盐

In this investigation,the composition of copolymer P(AM- co -NaAMPS) of acrylamide and 2-acrylamido-2-methyl-propanesulfonate sodium has been determined with the aqueous solution of cetyl trimethyl ammonium bromide as titrant at a concentration of 0.001 mol·L-1 by conductometric titration method.

与元素分析进行比较的结果表明，上述复合作用电导滴定法可作为测定水溶性大分子链中磺酸盐单体含量的方便而又准确的方法，而且预计还可用作为测定水溶性大分子链中其它离子性基团含量的简捷方法。

The one electron oxidative splitting reaction mechanism between 9,10-anthraquinone-2-sulfonate and cyclobutane dimethylthymine dimer was acquired.

研究了蒽醌-2-磺酸盐与环丁烷型二甲基胸腺嘧啶二聚体发生的单电子氧化裂解反应机理。

Still more so are the synthetic types, such as sulfonated dodecyl benzene and similar alkylates.

更有效的是合成型洗涤剂，例如十二烷基苯磺酸盐和类似烷基化物。

The status of production and application of domestic lignosulphonate based plasticizer is discussed. It is recognized that LS still has limitation in application technique though LS is regarded as a kind of eco-product.

阐述了国内木质素磺酸盐减水剂的生产应用现状，认为它虽属环保型产品，但在技术方面存在局限性。

By chemical treatment of LS, a kind of modified lignosulphonate based plasticizer was obtained. The modification was confirmed to be connected with carboxyl groups through infra-red spectroscopy analysis.

通过化学方法对LS改性，得到了一种接有羧基基团的改性木质素磺酸盐减水剂。

Civil engineering materials;concrete admixture;water reducer;modified lignosulphonate;straw pulp lignin

土木工程材料；混凝土外加剂；减水剂；改性木质素磺酸盐；草浆碱木素

Influence factors on internal stress of sulphamate NiFe alloy coating were approached experimentally.

实验探讨了氨基磺酸盐电沉积Ni－Fe合金层内应力的影响因素。

The conjugated structure of AOⅡ was reductively cleaved by micro-electrolysis, producing easily bio-degradable aromatic amines. The absorbance bands in the visible and ultraviolet regions were reduced or completely eliminated.

AOII分子在转鼓式内电解的作用下，其可见光和紫外光区的特征吸收峰逐渐降低直至消失，并新生成更容易生物降解的对氨基苯磺酸盐。

A three-level energy model is forwarded on the nonlinear absorption properties o f a two-photon absorption dye trans-4-[4′-(N- hydroxyethyl- N-eth ylamino)styryl]-N-methylpyridinium p-toluene sulfonate.

提出了有机染料反式 4 [4′(N 羟乙基 N 乙基胺基)苯乙烯基 ] N 甲基吡啶对甲苯磺酸盐非线性吸收的三态模型。

The effe- cts of current density,temperature and the pH value,applied in sulfamate bath,on the texture and internal stress σ_Ⅰ have also been investigated.

并研究了在氨基磺酸盐电铸液中，改变电流密度，温度及 pH 值对镀层的织构和应力σ_1的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。