硫酸

Effect of magnetic field on open circuit corrosion and polarization resistance for iron in sulfuric acid containing dichromate .

含重铬酸根硫酸溶液中磁场对铁自腐蚀状态及极化电阻的影响。

The article includes three parts. The first, a steroselective and regioselective synthesis of digitoxin with glycosyl ortho-alkynylbenzoates as doners. The second, synthesis of different length chain of L-fucose with a SO3Na group in the position of C-2 hydroxy.

本文工作主要包括三部分内容，分别为采用全新发展的一种邻炔基苯甲酸酯的糖基供体进行地高辛的全合成并与常规的Schimidt供体及三氟亚胺酯供体进行结果比较；合成不同长度的2位硫酸化的岩藻糖糖链；对现有的合成伏格列波糖的一条合成路线进行工艺优化。

Synthesis of dimethyl ether from methanol catalyzed by mixed acid in liquid phase was investigated.

研究了硫酸和磷酸混酸催化甲醇液相合成二甲醚过程。

Catalysis of sulfuric acid has been investigated in the preparation of dibromoalkane by epoxy compound and aliphatic diol .

结果表明：浓硫酸的用量对环氧化合物以及脂肪二元醇合成二溴代烷的收率有很大的影响

Methods Polysulfated DS was prepared with chlorosulfonic acid and the main disaccharide units were determined with 1H-NMR and 13C-NMR.

方法用氯磺酸磺化制备多硫酸化DS。测定其1H-NMR和13C-NMR光谱确定主要双糖单位。

The effect of hydroxychloroquinein the treatment of discoid lupus ery thematosusand its side effects were observed.

观察硫酸羟氯喹HCQ治疗盘状红斑狼疮DLE的疗效并分析其副作用。

The agents consist of a CO2 generating source, usually sodium bicarbonate, and an acid constituent such as tartaric, citric or adipic acid or their sodium or calcium salts, disodium hydrogen phosphate or aluminum sulfate.

通常该发酵剂中含有产生CO2的物质，一般是碳酸氢钠或一种酸，如酒石酸、柠檬酸或脂肪酸或它们的钠盐或钙盐，磷酸二氢钠或硫酸铝。

Reaction temperature, reaction time and different distillate oil on the properties of petroleum sulfonate were studied.

本文以发烟硫酸和三氧化硫作为磺化剂，选用重烷基苯或石油馏分油，在不同的工艺条件下进行磺化反应，摸索了反应物配比、反应温度、反应时间和不同原料等条件对合成产物的性能影响，得出反应物配比是影响磺化收率的重要因素。

More ammonium sulphate solution is being recovered in the process of distilling shale oil.

在提炼油页岩的过程中回收的硫酸氨液比过去多了。

" Alum Inorganic compound, any of a class of hydrated double salt s, usually consisting of aluminum sulfate, water of hydration (an essential part of the crystal makeup), and the sulfate of another element."

明矾：一种无机化合物。一组通常由硫酸铝、水合水和其它元素的硫酸盐组成的水合复盐的总称。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。