基团

释义

基团[jī tuán] n.radical; base; assembly网络COOH; group; Radicals汉英网络释义n.1.radical2.base3.assembly1.COOH若 亲水性基团（-COOH）过多，则胶膜的吸水率增大过多，耐水性降低明显。 （7）DMPA 用量对黏度的影响 由表2 知，随DM…www.docin.com|基于194个网页2.radical基_百度百科 ... 24.基石[ cornerstone;foundation stone] 25.基团[ radical] 26.基网[ base net] ... baike.baidu.com|基于60个网页3.group［食品词典］G7_专业词汇_专业英语_食品伙伴网 ... groundy 土腥味的；泥土味的 group 集团；基团；类；属 grouse 松鸡（类…www.foodmate.net|基于38个网页4.Radicals...，除了转变成离子外，还能吸收能量并形成 大量的活性基团（Radicals） ； ● 活性反应基团和被刻蚀物质表面形成化学反应 …wenku.baidu.com|基于33个网页5.hydrophilic group...分是极性的，易溶于水，具有亲水性质叫做亲水(疏油)基团(hydrophilic group)；另一部分是非极性的，不溶于水而易溶于油， …www.tearm.com|基于11个网页6.NHCOO...全称为聚氨基甲酸酯 ,是主链上含有重复氨基甲 酸酯基团 (NHCOO )的大分子化合物的统称。wenku.baidu.com|基于9个网页7.hydrophobic group...剂的结构特点 ? 表面活性剂分子构成 疏水（亲油）基团（hydrophobic group） 亲水基团（hydrophilic group） a. 十二烷基硫 …wenku.baidu.com|基于4个网页更多释义收起释义例句释义:全部全部,radicalradical,basebase,assemblyassembly,COOHCOOH,groupgroup,RadicalsRadicals类别:全部全部,口语口语,书面语书面语,标题标题,技术技术来源:全部全部,字典字典,网络网络难度:全部全部,简单简单,中等中等,难难更多例句筛选收起例句筛选1.Some parts of a protein chain like to interact with water (hydrophilic), while others are oily and want to get out of water (hydrophobic).蛋白质链的某些基团倾向于和水结合（亲水性），但其他油性基团则倾向于逃离水（疏水性）。2.Methylation, the addition to a base of a group of three hydrogens and a carbon atom, is one way in which genes are regulated.甲基化就是在一个碱基上加上一个由三个氢原子和一个碳原子组成的基团。它是一种基因调整的方式。3.In terms of its different hydrophilic group, surface-active agent can be classified into cationic, anionic and non-ionic surfactants.根据亲水基团的不同，表面活性剂从化学角度可分为阳离子、阴离子、非离子及两性表面活性剂。4.X-ray photoelectron spectroscopy (XPS) shows that the reason is the increase of oxygen and nitrogen polar functional groups on the surface.射线光电子能谱（XPS）分析表明，这是由于涤纶表面被引入了大量含氧和含氮极性基团所致。5.Amines are basic nitrogenous compounds in which one, two or three atoms of hydrogen in ammonia are replaced by alkyl or aryl groups.胺是含氧的化合物，是由一个、两个或三个氢原子与氨以烃基或芳基结合的基团。6.Modification of the substrate by an enzyme can then be monitored electrochemically by means of the redox-active group.随后可以通过氧化还原活性基团电化学监测酶对底物的修饰。7.Oxidation of oxygen the body is not the culprit, but the oxygen free radicals, is a cell nucleus with unpaired electron active groups.人体氧化的罪魁祸首不是氧气，而是氧自由基，是一种细胞核外含不成对电子的活性基团。8.Certain linear polymers, referred to as thermosetting, contain groups which, when heated, react to give cross-linked polymers.一些被称为热固型聚合物的线型聚合物，含有一些基团，当被加热时就反应得到交联聚合物。9.The invention relates to an isotactic polypropylene capped with a styrene group and a preparation method thereof.本发明涉及一种以苯乙烯基团封端的等规聚丙烯及其制备方法。10.Thus, we expect that this methodology will find widespread use in the deprotection of this class of protecting group. 2.因此，我们希望该脱除方法可以在脱除这一类的保护基团时得到广泛的应用。