The calculated results showed that ZMS adsorbent adsorbs preferably oxygen to nitrogen.实验结果表明,沸石分子筛吸附剂优先吸附氮.While chalcopyrite adsorbs gold most weakly with its adsorption capacity 9 % only.吸附性相对最弱的是黄铜矿,吸附量仅为9%.Cadmium s...
Today's report is rather more discouraging for the economy.今天的报道让人对经济更加丧失了信心。It's very discouraging to be sneered at all the time.成天受嘲讽是很令人泄气的.It's discouraging that so many students have failed.那么多学生考不及格,...
There's always tons of scrap paper in Dad's office.爸爸的办公室里总有大量的废纸。"They play classic rock'n"roll,' states her boyfriend, "My dad digs them too."“他们演奏经典摇滚乐，”她的男朋友说道，“我爸爸也喜欢他们。”Dad spoils me. He loves m...