Synthesis and application of ion inartificial molecular flocculant prepared by starch are reported in this paper.介紹了以淀粉為基材的陰離子天然高分子絮凝劑的合成工藝和應用效果.The optimum conditions that α - amylase and glucoamylase hydrolyzed chestnu...
令人羞愧地輸給一支經驗不如自己的隊伍a shaming defeat by a less experienced team我羞愧地懺悔了 —— 冷冰冰地退縮, 像個蝸牛.I confess it with shame -- shrunk icily into myself, like a snail.我不得不羞愧地承認了那件事.I have to blush to admit that thing....