amphoteric是什么意思？

Amphoteric monomer is prepared with acrylic acid , dimethylamine and chloroethanol by Mannich reaction.以丙烯酸、二甲胺、环氧氯丙烷为原料,通过曼尼希反应制得两性离子单体.Biological activities of amphoteric surfactants to higher or lower organisms were i...

amphoteric的音标：amphoteric的英式发音音标为：[ˌæmfə'terɪk]amphoteric的美式发音音标为：[ˌæmfə'terɪk]...

Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation.已知在液态HF中,也能说明两性行为溶剂分解或络合物形成作用的反应.Biological activities of amphoteric surfactants to higher or lower organisms we...

v.欺骗( finagle的现在分词 )，哄骗，欺瞒，使用欺骗诡诈手段...

cephalograph的音标：cephalograph的英式发音音标为：['sefəlɒɡrɑ:f]cephalograph的美式发音音标为：['sefəlɒɡrɑf]...

等寒的...

“水下”的拼音为：shuǐ xià...

n.开玩笑，说笑话，滑稽可笑的图画（或故事、小戏等）...

whelm的第三人称单数（三单）为：whelms...

“房客”的拼音为：fáng kè...

entocuneiform的音标：entocuneiform的英式发音音标为：[entə'kʌneɪfɔ:m]entocuneiform的美式发音音标为：[entə'kʌneɪfɔm]...

他摔倒时额头碰在了路边镶边石上.He hit his forehead against the kerb when he fell.汤姆跌倒时,他的额头撞在路边的镶边石上.Tom hit his forehead against the kerb when he fell.在雾中他用手杖摸索街道的镶边石.In the fog he felt for kerb with his walking stick....

depropenizer的音标：depropenizer的英式发音音标为：[deprɒ'pɪnaɪzər]depropenizer的美式发音音标为：[deprɒ'pɪnaɪzər]...

“方英石”的英语可以翻译为：[化] christobalite，cristobalite ...

n.免疫细胞...

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morality的音标：morality的英式发音音标为：[mə'ræləti]morality的美式发音音标为：[mə'rælɪti, mɔ-]...

暂且，权，权时...