Synthesis and application of ion inartificial molecular flocculant prepared by starch are reported in this paper.介绍了以淀粉为基材的阴离子天然高分子絮凝剂的合成工艺和应用效果.The optimum conditions that α - amylase and glucoamylase hydrolyzed chestnu...
令人羞愧地输给一支经验不如自己的队伍a shaming defeat by a less experienced team我羞愧地忏悔了 —— 冷冰冰地退缩, 像个蜗牛.I confess it with shame -- shrunk icily into myself, like a snail.我不得不羞愧地承认了那件事.I have to blush to admit that thing....