amphoteric是什么意思？

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]...

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...

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...

Many of his predictions are coming true.他的很多预言正成为现实。Experiments have corroborated her predictions.实验证实了她的预言.This is what makes Leon Bagrit's predictions particularly remarkable.这就是莱昂.巴格瑞特的预测非凡的地方....

Lucy的音标：Lucy的英式发音音标为：['lu:si]Lucy的美式发音音标为：['lusi]...

brood的一般过去时为：brooded...

ingle的音标：ingle的英式发音音标为：['ɪŋgl]ingle的美式发音音标为：['ɪŋgəl]...

由于大雨,伊利湖水正在上涨.Lake Erie is filling with the heavy rain.1970年工业废物污染了克利夫兰附近的伊利湖湖面.Industrial waste burned on the surface of Lake Erie near Cleveland in 1970.共有五个大湖泊: 苏必利尔湖, 密歇根湖, 休伦湖, 伊利湖和安大略湖.There are five lakes: Superio...

outside的音标：outside的英式发音音标为：[ˌaʊt'saɪd]outside的美式发音音标为：[aʊt'saɪd, 'aʊtˌsaɪd]...

n.船的载货量，一条船的货物( boatload的名词复数 )...

suspects的音标：...

alcoxides的音标：alcoxides的英式发音音标为：['ælkɒksaɪdz]alcoxides的美式发音音标为：['ælkɒksaɪdz]...

bin的第三人称单数（三单）为：bins...

Oxidized wax modified by amidation reaction to produce acylamide with better physical and chemical properties.氧化蜡经过胺改性可以得到具有更佳物化性能的脂肪酸酰胺.A new leather fatliquor product was synthesized by amidation, esterification and ne...

Mr Thomas was taught by the Catholic nuns whose school he attended.托马斯先生是在天主教修女创办的学校接受的教育。We caught up with the nuns.我们赶上了修女们。The nuns who taught him urged him to make something of his life and he did.教他念书的修女激励他努力上进，他最终取...

v.孕育，创案( gestate的现在分词 )...

adj.摆脱不了的...

vi.同情，怜悯，共鸣，同感，支持，赞成，安慰...