官能团

Infrared, ultraviolet, and mass spectrometry Gaoxiaoyexiang tests showed that benzene p rosin in neighbouring seats husband alkali metal objects with catalytic, the oxide containing hydroxy generated, ethylene, or a functional group, such as the Food oxide product.

红外、紫外、高效液相色谱和质谱测试表明，松香在邻苯二胺席夫碱金属配合物的催化下，氧化生成了含羟基、环氧基、过氧基等官能团的氧化产物。

It was demonstrated that thecatalysts incorporated into surface functional groups of brown coal arevery effective.

结果表明，通过与褐煤中表面官能团的离子交换添加到煤中的催化剂具有很高的催化效果。

During this period significant analytical contributions to chemistry include the development of systematic elemental analysis by Justus von Liebig and systematized organic analysis based on the specific reactions of functional groups.

这一时期分析化学对化学的贡献为：尤斯图斯-冯-李比希的系统元素分析、以官能团特殊反应为依据的系统化有机分析。

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。