These liabilities prompted development of agarose and agarose - acrylamide gels.这些不稳定性促使琼脂糖和琼脂糖 -- 丙烯酰胺凝胶的发展.The degraded starch and acrylamide - butyl acrylate copolymer have been produced.本文制得了异相酸降解淀粉和丙烯酰胺 — 丙烯酸丁酯共聚物.A...
I'm sorry I can't attend your party, but I have a meeting on for that night.对不起, 我不能参加你们的聚会, 因为那天晚上我有个会要参加。I’m sorry to have kept you waiting.对不起,让你久等了。He had worked with the General for three years and was sor...