硫酸

The questing for acidic middle-temperature electroless Nickel technology leads to the preferable prescription as follows:Proportion of Nickel Sulphate and Sodium Hypophosphate 0.36; Sodium Acetate 15g/L; Stabilizer A lmg/L(Stabilizer B Img/L for continual experiment); Composite complexing agent Lactic Acid 10ml/L and acetic acid 10 ml/L; Accelerator organic acid G 6g/L; pH value 5.0; Loading Capacity ldm2/L; Temperature 70C (Temperature 75C for continual experiment); Proportion of supplement for Nickel Sulphate and Sodium Hypophosphate 1:1.2; Testing the consumed ion of Nickel solution and supplement inspissations solution every 60min by the proportion of 15% fresh solution.

最后，通过研究得出最佳工艺配方为：硫酸镍与次亚磷酸钠的摩尔比为0.36；乙酸钠15g／L：稳定剂Almg／L(周期实验加稳定剂B10mg／L)；复合络合剂组合为乳酸10ml／L+冰乙酸10ml／L：促进剂为有机酸G6g／L；pH值为5.0；装载量为1.0dm~2／L；施镀温度为70℃(周期实验为75℃)：主盐与还原剂的添加比例1：1.2；每60分钟对镀后液进行镍离子浓度的测定并按镍离子的消耗量添加浓缩液，添加比例按开缸液的15％。

The propagation of non-sensitized IGC and the relation of IGC to potential values were investigated in sulfuric acid at ambient temperature.

用恒电位浸蚀方法在高压釜中研究了供货态316 L钢在尿素介质中发生非敏化态晶间腐蚀与电位区段的关系，并在常温硫酸溶液中研究了316 L钢非敏化态晶间腐蚀的发展过程及其与电位值的关系。

Under the characteristics of the raw materials of slag made of ilmenite in our country, we use sulfuric acid to produce titanium dioxide in this design, use orthogonal test analysis to investigate the acid soluble condition and make analytical discussion about the influencing factors of sulfuric acid rate.

针对我国钛铁矿制出的钛渣原料的特性，设计采用硫酸法生产钛白粉工艺。本实验是利用正交试验方法研究钛渣的酸溶性条件的实验，对其酸解率的影响因素进行了分析讨论。

Difluorodiphenylsulfone and 4, 4"-difluorodiphenylketone are sulfonated by 50 % sulfuric acid. A new biphenol monomer containing six-membered ring imide is synthesized by reaction of 1, 4, 5, 8-naphthelenetetracarboxylic acid dianhydride with 3-aminophenol or 4-aminophenol sodium.

以50%发烟硫酸为磺化试剂，以4，4′-二氟二苯砜和4，4′-二氟二苯酮为原料反应得到双磺化的4，4′-二氟-3，3′-二磺酸钠-1，1′-二苯砜和4，4′-二氟-3，3′-二磺酸钠-1，1′-二苯酮。

Based on IR spectrum and HPLC chromatography, four polysacchharides had β-indican and characteristic absorbance of glucide without vitriol radical, galacturonic acid and acetyl.

红外光谱和其完全水解的高效液相色谱分析表明，4种多糖不含硫酸基团和乙酰基，具备β-糖苷键以及糖类特征吸收峰。

He continued to maintain his technical innocence of any indictable offence.technical sulphuric acid

他仍然声称自己从严格的法律意义上说并未犯有任何可以起诉的罪行。工业硫酸

Attachment of chondroitin sulfate appeared to promote cellular ingrowth and cartilaginous tissue formation in both types of collagen matrices.

在两种胶原基质粘附硫酸软骨素，促进细胞的长入和软骨组织的形成。

Ingrowth of blood vessel tissue and osteo-blast could be seen in both sides.

结果术后3周，硫酸钙尚可见残留颗粒，自体骨完全降解；植骨区域内均可见到大量的破骨细胞，并有血管纤维组织长入。

PFS attracts peoples attention by its remarkable coagulant performance, especially its harmlessness and innocuousness.

聚合硫酸铁以其良好的絮凝性能和无毒无害的优点倍受人们的关注。

The present invention relates to method of preparing sulfuric acid with sulfur from gas turbine, and belongs to the field of inorganic chemical technology.

本发明涉及一种利用燃气轮机的硫磺制备硫酸的方法，属无机化工技术领域。

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。