硫酸

The result shows the excellent condition was in room temperature, 1-1.5 g of potassium iodide, 5mL of 1mol/L sulfuric acid and keep static station for 30 mm.

结果表明：选择在室温下加入1~1.59碘化钾、5 mL 1mol/L硫酸，静置30 min，结果准确，精密度高。

A plastic tank for sulfuric acid in a sealed vented wood box, power supply, and optional AC unit.

一罐硫酸放在一个密闭的通风的木盒里，电源和可选择的AC电源。

Aluminium sulfate has been used as the rosin sizing precipitant for along time, but it is only valid in acid pH.

硫酸铝用作松香施胶的沉淀剂已经有很长的历史了，但它只适用于酸性条件。

gallium sulfate is an excellent catalyst for the synthesis of n-butyl propionate.

结论硫酸镓是合成丙酸正丁酯的良好催化剂。

Normal propyl cinnamylate was synthesized by the esterification of normal propyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.

应用硫酸氢钾催化肉桂酸与正丙醇的酯化反应合成肉桂酸正丙酯。

Gingko leaf and its extractive is microwave-aided fast hydrolyzed in ethanol, propyl alcohol, butyl alcohol, acetone and other organic solvent as digest with certain amount of phosphoric acid, sulfuric acid or hydrochloric acid aqua added.

本方法以银杏叶及其提取物为原料，以乙醇、正丙醇、正丁醇及其丙酮等有机溶剂加入一定量的磷酸、硫酸、盐酸水溶液作为水解液，经微波辅助快速水解。

In this paper the synthesis of propyl gallate from gallic acid and n-propyl alcohol as reactants and catalyzed by sodium bisulfate was studied; various influencing factors on the reaction were also investigated.

研究了以硫酸氢钠为催化剂，没食子酸和正丙醇为原料合成没食子酸丙酯，并考察影响反应的因素。

Chitosan has also been used for deliverying ferric ions and protamine sulfate, to prevent calcification of bovine pericardium and porous polyurethane.

壳聚糖也已用于娩出铁离子和硫酸鱼精蛋白，防止钙化牛心包和多孔质聚氨酯。

Five fetuses were diagnosed with female pseudohermaphroditism (21-hydroxylase deficiency in 3 and urorectal septum malformation sequence in 2). Four fetuses were diagnosed with male pseudohermaphroditism (1 with steroid sulfatase deficiency, 1 with presumed camptomelic dysplasia, and 2 undetermined).

在这16个胎儿中有5个被诊断为女性假两性畸形（其中3个有21-羟化酶分泌不足，2个有尿道直肠隔畸形），4个被诊断为男性假两性畸形（其中1个有类固醇硫酸酯酶分泌不足，1个推测可能为弯肢性发育异常，另外2个原因未定），5个有染色体异常，2个有性逆转，核型为（46，XX+SRY）。

One of the two major products was characterized by single crystal X-ray diffraction.Here the rings configuration in the crystal structure is described clearly by semi-quantitative ring puckering analysis.

用硫酸亚铁引发青蒿素的自由基裂解反应，对主产物之一的3-羟基脱氧青蒿素进行了单晶培养和X射线的表征，运用环Puckering分析方法对结构中环的构象进行了半定量描述。

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％。