例句與造句

1. The regulation of acid catalytic property of molecular sieve can be realized via surface modification of mesoporous molecular sieve by means of introducing doping metals into skeleton or loading active species onto matrix during synthesizing precursor for mesoporous molecular sieve
   在合成介孔分子篩的前驅(qū)物中摻雜其他金屬元素而將其引入骨架或?qū)⒒钚越M分負(fù)載到介孔分子篩的基體上，可以實(shí)現(xiàn)對(duì)介孔分子篩表面進(jìn)行表面修飾與改性，以調(diào)變分子篩表面的酸催化性能。
2. It's difficult to find active species in a sentence. 用active species造句挺難的