磺酸

The property of Rhodamine B was examined in hydrochloric and Trifluoromethyl sulfonic acid, and the standard working curves in thin polymer film were set up.

用紫外分光光度计分别测量盐酸、三氟甲磺酸在不同浓度时罗丹明B特征吸收的变化，选取酸浓度与罗丹明的特征吸收的变化量呈线性关系的线段部分作为标准工作曲线。

Using 1-amino-2-phenoxy-4-hydroxyanthraquinone, chlorosulfonic acid ,thionyl chloride,and 3-ethoxypropylamine as raw materials and sodium carbonate as acid-binding agent,C.

以1-氨基-2-苯氧基-4-羟基蒽醌、氯磺酸、氯化亚砜、3-乙氧基丙胺为原料及Na2CO3为缚酸剂合成了C.I。分散红92。

Aminobenzene sulfonate high performancing water-reducing ; acid and alkali of environment ; reacting mechanism

氨基苯磺酸高效减水剂；环境中酸碱性；反应机理

The antiedemic, antiexudative and absorption promoting action of MPS is a result of its inhibiting effect on hyaluronidase and its ability to increase local blood flow.

多磺酸粘多糖由于能抑制透明质酸酶并能增加局部血供而能促进水肿吸收。

This method is simple and rapid, and suitable for the simultaneous determination of arsanilic acid and sulfanilic acid in feed additives.

该方法简便快速，适合饲料添加剂阿散酸的分析以及监测对氨基苯磺酸掺假。

The linear ranges all were 5~200 mg/L and the detection limits (S/N=3) were 0.20 and 0.15 mg/L for arsanilic acid and sulfanilic acid, respectively.

阿散酸和对氨基苯磺酸的线性范围均为5～200 mg/L，检出限(S/N=3)分别为0.20 mg/L和0.15 mg/L。

A diode array detector was used at 244 nm as the detection wavelength. Arsanilic acid and sulfanilic acid were separated within 3 min.

在优化的色谱条件下，阿散酸和掺假物质对氨基苯磺酸在3 min内实现了基线分离。

Objective: To use p-toluene sulfonic acid as the catalyst for the esterification reaction of cinnamic acid with isoamyl alcohol in liquid phase.

目的：以对甲苯磺酸为催化剂对肉桂酸与异戊醇的液相酯化反应进行研究。

Results: The optimum conditions were found to be as follows: the molar ratio of isoamyl alcohol to cinnamic acid was ...

对甲苯磺酸是合成肉桂酸异戊酯的良好催化剂，具有实际应用价值，该实验合成工艺简单，酯收率较高。

Characteristics: Sildenafil Mesylate is the derivant of sildenafil critate, white or off-white crystal powder, odorless, bitter, melt in water and ethanol

甲磺酸盐西地那非是枸橼酸西地那非的衍生物，本品为白色或类白色结晶性粉末，无嗅、味涩苦、溶于水和乙醇。

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％。