It will be better if metalmodified apatite is covered by photic organic film substantially.
最好金属改性磷灰石在实质上被透光性的有机膜覆盖。
2
The catalyst provided by the invention is obtained by the method that the surface acidity and the pore structure of a metalmodified zeolite molecular sieve are decorated by siloxy group compound;
本发明所提供的催化剂由金属改性后的沸石分子筛再经硅氧烷基化合物修饰表面酸性和孔结构得到；
3
These planets and their surfaces may be heavily modified by the last, big collision they experience (e.g. the largely metal composition of Mercury or the Moon).