表面光电子能谱分析是固体木材及纤维表面化学组成分析最有效及最灵敏的工具之一。
Xray photoelectron spectroscopy (XPS) is one of the most powerful and useful tool for chemical composition analysis on both wood and fiber surfaces.
本发明涉及一种杀螨组合物，该组合物有效成分由吡螨胺和苯丁锡组成， 吡螨胺和苯丁锡的质量比为50∶1～1∶80。
The invention relates to an acaricide composition and the effective ingredient of the acaricide composition comprises tebufenpyrad and fenbutatin oxide in a mass ratio of 50:1 to 1:80.
产品成分： 由多种有机酸组成，采用高浓度配方具有特强酸化作用， 有效地清除各种顽固污渍，锈渍。
Product composition: the composition of a combination of organic acids, high concentrations of strong acid-based formula has a special role, effective way to remove all stubborn stains, rust stains.
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