磺酸

METHODS:Ulcerative colitis rat model was developed by intrarectal administration of 2,4,6-trinitrobenzenesulfonic acid in alcohol.

以2，4，6-三硝基苯磺酸的乙醇溶液灌肠，制作溃疡性结肠炎大鼠模型。

UC in model group and treatment group was induced by intrarectal administration of TNBS (100 mg/kg in 50% ethanol).

模型组、治疗组大鼠用三硝基苯磺酸/乙醇溶液灌肠复制UC模型。

Ionization was accomplished by using iodoethane and γ-propane sultone respectively.

通过碘乙烷和v－丙磺酸内酯对上述样品进行季铵化，合成了阳离子型及双离子型离聚物。

Wash. Sodium cocoyl isethionate can be used as surfactant for cosmetics and toiletries

基磺酸钠是一种高档洗涤用品的表面活性剂，广泛用于生产香皂，沐浴露，洗面奶，合成

The patterns of films growing are found to be islandish and layerish in different depositing condition.

在磺酸基的组装膜上淀积的TiO2薄膜均匀性、粘附性好，颗粒排列紧密。

The optimum reaction conditions of the synthesis of isoamyl acetate with Nafion NR50 resin membrane as catalyst were studied.

以全氟磺酸树脂膜为催化剂得到冰乙酸和异戊醇反应合成乙酸异戊酣适宜的反应条件。

Isoamyl acetate was synthesized with acetic acid and isopentyl alcohol by using Ca(p-CH3C6H4SO3) 2 as catalyst.

以乙酸和异戊醇为原料、对甲苯磺酸钙为酯化催化剂合成乙酸异戊酯，研究影响酯化率的因素。

The etherification reaction of methanol and isoamylene was investigated in an internal recycle gradientless reaction with an ion exchange resin (NKC-9) as catalyst.

采用国产大孔磺酸树脂(NKC-9)，在无梯度反应器内对异戊烯与甲醇醚化反应进行了研究。

The influence factors on the yield of isobutyl salicylate were discussed.

以对甲苯磺酸为催化剂，通过水杨酸和异丁醇酯化反应合成水杨酸异丁酯，研究了各有关因素对产品酯化率的影响。

A method for synthesis of isobutyl acetate based on paratoluenesulfonic acid as catalyst was developed.

以冰醋酸、异丁醇为原料，对甲苯磺酸为催化剂合成乙酸异丁酯，通过正交实验考察了原料比、催化剂用量、带水剂用量和反应时间等因素对反应的影响。

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％。