| 单词 | 原子团 |
| 释义 | 〔monoamine〕An amine compound containing one amino group, especially a compound that functions as a neurotransmitter.一元胺：只含有一个胺原子团的胺化合物，尤指作用于神经传递素的化合物〔ferrocyanide〕A salt containing the negative tetravalent radical Fe(CN)6, used in making blue pigments, blueprint paper, and ferricyanide. 氰亚铁酸盐：一种用于制造蓝色的颜料、蓝色版纸张以及铁氰化物的含有负三价铁原子团Fe(CN)6的盐 〔silicide〕A compound of silicon with another element or radical.硅化物：由硅和另一种元素或原子团组成的化合物〔electrophile〕A chemical compound or group that is attracted to electrons and tends to accept electrons.亲电子试剂：一种化学复合物或原子团，被电子吸引并具有吸引电子的倾向〔sulfonamide〕Any of a group of organic sulfur compounds containing the radical O2NH 2 and including the sulfa drugs. 磺酰胺：一种有机硫化合物，含有原子团O2NH 2，包括磺胺类药 〔group〕Two or more atoms behaving or regarded as behaving as a single chemical unit.原子团：两个或两个以上原子做为单一的化学单位运动〔ferricyanide〕Any of various salts containing the negative trivalent radical Fe(CN)6 and used in making blue pigments. 氰铁酸盐：任何用来制作蓝色颜料的含有负三价铁原子团Fe(CN)6的各种盐类 〔tribasic〕Containing three univalent basic atoms or radicals per molecule. Used of a base or salt.三碱式的：每个分子中含有三个一价碱性原子或原子团的。用于碱类或盐类〔carbonium〕An organic cation, such as H3C, having one less electron than a corresponding free radical and with positive charge localized on the carbon atom. 正碳，阳碳：一种有机阳离子，如H3C，碳原子上具有一个比相对应的原子团弱的电子，并有一正电子 〔primary〕Relating to the replacement of one of several atoms or radicals in a compound by another atom or radical.连上一个碳原子的：用另外一个原子或原子团来替代混合物中某一原子或原子团的过程的或与此有关的〔monoester〕An ester having only one ester group.单酯：只有一个酯原子团的酯〔valence〕The combining capacity of an atom or a radical determined by the number of electrons that it will lose, add, or share when it reacts with other atoms.化合价，原子价：原子或原子团与其它原子结合的能力是由它在与其它的原子结合时所丢失、增加或共享的电子的数目决定的〔chlorate〕The inorganic group ClO3 or a compound containing it. 氯酸盐：无机原子团CLO3或者含它的一种化合物 〔hydrosulfide〕A chemical compound derived from hydrogen sulfide by replacement of one of the hydrogen atoms with a basic radical or base.氢硫化物：一种化学合物，通过用一个原子团或碱来替换硫酸的一个氢原子〔monatomic〕Having one replaceable atom or radical.一元的：有一个可置换原子或原子团的〔manganate〕A salt containing manganese in its anion, especially a salt containing the MnO4 radical. 锰酸盐：一种在某阳向离子中含有的锰酸盐，尤指含有MnO4原子团的盐 〔boride〕A binary compound of boron with a more electropositive element or radical.硼化物：硼和带正电荷的元素或原子团形成的二元化合物〔nucleotide〕Any of various compounds consisting of a nucleoside combined with a phosphate group and forming the basic constituent of DNA and RNA.核苷酸：由与磷原子团结合并形成DNA和RNA的基本成分的核苷构成的化合物〔iodide〕A compound of iodine with a more electropositive element or group.碘化物：碘与带更多正电的元素或原子团生成的化合物〔bicarbonate〕The radical group HCO3- or a compound, such as sodium bicarbonate, containing it. 碳酸氢盐：原子团HCO3-或含有该原子团的化合物，如碳酸氢硅 〔hydroxyl〕The univalent radical or group OH, a characteristic component of bases, certain acids, phenols, alcohols, carboxylic and sulfonic acids, and amphoteric compounds.羟基：单价原子团或羟团，是碱、一些酸、酚、醇、羧酸和硫酸及两性化合物的主要成分〔nylon〕Any of a family of high-strength, resilient synthetic polymers, the molecules of which contain the recurring amide group CONH.尼龙，尼纶：高强度，有弹性的合成聚合物，其分子含有反复出现的酰胺原子团〔substituent〕An atom, a radical, or a group substituted for another in a chemical compound.取代分子：取代化学化合物中一原子、基线原子团的原子、基线原子团〔polybasic〕Of or relating to an acid that has two or more hydrogen atoms that can be replaced by basic atoms or radicals.多元的；多碱价的：一种含有两个或更多能被碱性原子或原子团取代的氢原子酸的；或与之有关的〔chlorite〕The inorganic group ClO2 or a salt containing it. 亚氯酸盐：无机原子团 ClO2或含它的一种盐 〔salt〕A chemical compound formed by replacing all or part of the hydrogen ions of an acid with metal ions or electropositive radicals.盐类：由金属离子或正电原子团替代酸中所有或部分的氢离子而得到的化合物〔ketone〕Any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals and having the general formula R(CO)R', where R may be the same as R'.甲酮：有机化合物的一类，在每两个烃原子团中有一组羰基与一个碳原子相连，通常分子式为R(CO)R'，其中R和R'可能相同 |
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