硫酸

Analytical methods such as exploration and confirmation, another long-term production company also eight water barium hydroxide, sodium bisulfate, etc., and annual distribution of various chemical raw materials, product quality reliable, reputable!

分析方法的探索和确认等，另外公司还长期生产八水氢氧化钡，硫酸氢钠等产品，并且常年经销各种化工原料，产品质量可靠，信誉良好！

Due to the characteristics of Barium sulphate is widely used in the friction material of a kind of friction performance regulator.

由于硫酸钡具有的特性，所以是摩擦材料中普遍应用的一种摩擦性能调节剂。

To replace barium sulfate, to reduce production costs.

替代硫酸钡，降低生产成本。

A large number of density/concentration conversion tables are stored in the instrument as standard, e.g.°Brix,°Baume,% alcohol,% sulphuric acid, API gravity, etc.

仪器储存了大量的密度/浓度转换标准表，如白利糖度、波美比度、酒精浓度、硫酸浓度、API比重等。

Heavy metals were recovered with H2SO4 or HNO3 to dispose heavy metal bearing residues.

含有重金属盐的残渣，可用硫酸或硝酸处理，以回收重金属。

10 Mg/L respectively. Heavy metals were recovered with H2SO4 or HNO3 to dispose heavy metal bearing residues.

含有重金属盐的残渣，可用硫酸或硝酸处理，以回收重金属。

Bellflower to soil and acetone in petroleum ether 10-Soxhlet extraction in the extraction, extracts of the scale centrifuge tube in a concentrated sulphuric acid purification.

土壤和桔梗以石油醚十丙酮在索氏提取器中提取，提取液在刻度离心试管中以浓硫酸净化。

The effects of reactant ratio, catalyst amount, reaction time and temperature on the yield of p-nitro-ethyl benzoate were discussed.

以硫酸氢钾为催化剂，合成对硝基苯甲酸乙酯，并对影响产率的诸因素进行了考察。

P-Nitro-ethyl benzoate was synthesized with potassium bisulfate as catalyst for the first time.

以硫酸氢钾为催化剂，合成对硝基苯甲酸乙酯，并对影响产率的诸因素进行了考察。

BACKGROUND AND AIM: To explore the cytotoxicity and genotoxicity of beryllium sulfate to human embryonic lung fibroblastin vitro .

背景与目的：探讨硫酸铍对体外培养的人胚肺成纤维细胞的细胞毒性和遗传毒性。

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。