yl

用法例句

A univalent organic radical, C2H5.

乙基一种一价烃基的

the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom.

由乙烷去掉一个氢原子衍生的一价烃基CH。

The univalent cation RN2, in which R is an aromatic hydrocarbon.

重氮基一价阳离子rN2，其中r是芳（旋）烃

A monovalent radical, such as ethyl or propyl, having the general formula CnH2n+1.

烷基，烃基一种单价基，如乙烷基和丙基，分子式为CnH2n＋1

any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons.

分子式为CnHn的一系列一价基，从脂肪族烃衍生而来。

the bivalent group -N=N- united to two hydrocarbon groups.

两个烃基联合而成的二价基n=n。

a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals.

氨中的氢原子被单价烃基替代后形成的化合物。

Study on Reduction Transformation of Nitroaromatic Pollutants by Zero-valent Metal

零价金属还原转化硝基芳香烃污染物研究进展

Study on synthesis of chelating agent PADC

螯合剂聚一烃基二硫代氨基甲酸钠的合成研究

Evaluation on Hydrocarbon Generation of Source Rocks of Well X in Y Exploration Region

西部Y探区X井烃源岩生烃潜力评价

Progress in Cobalt-based Catalyst in Hydrocarbon Synthesis of CO Hydrogenation

一氧化碳加氢合成烃的钴基催化剂研究进展

the univalent cation R-N:N- (where R is an aromatic hydrocarbon); found in salts that are used in manufacturing azo dyes.

一价阳离子rN:N（r是芳香的烃），存在于用于制含氮染料的盐中。

hydrofluorocarbon - HFC: A substitute for chlorofluorocarbons.

氢氯烃(简写为HFC):一种氟氯烃的替代物。

A member of the alkane series.

链烷烃，石蜡烃链烷系列的一种

Any member of the alkane series.

链烷，烷烃烃链上的任一成分

Study on the Direct Catalytic Hydroxylation of Several Typtical Aromatics over Fe/Activated Carbon Catalyst;

活性炭载铁催化剂上几种典型芳烃一步羟基化反应研究

Expanding the Spectrum of Polyolefins Through Reversible Group Transfer Coordination Polymerization

以可逆基团转移配位聚合法进一步扩展聚烯烃品种

hydrocarbon-based melamine formaldehyde resin

烃基三聚氰胺甲醛树脂