1.
Synthesis and Application of Precursor of N-Substituted Planar Chiral N-Heterocyclic Carbene
氮杂原子取代的面手性氮杂环卡宾前体的合成及催化应用研究
2.
Studies on Photochemical Reaction of Fischer Carbene Complexes and Alkyne Substituted by Heteroatom;
“Fischer”型卡宾络合物与杂原子取代炔烃的光照反应研究
3.
An arsenic atom can take the place of a germanium atom in the lattice.
一个砷原子能取代点阵子中的锗原子．
4.
a filial generation
【生】杂交后代, 子代
5.
Containing two replaceable hydrogen atoms.
二元的含有两个可取代的氢原子的
6.
Theoretical Study of Nucleophilic Substitution at Sulfur and Oxygen;
氧，硫原子上亲核取代反应的理论研究
7.
Theoretical Study on the Bimolecular Nucleophilic Substitution Reaction at Nitrogen;
氮原子上双分子亲核取代反应的理论研究
8.
Chemical reagent-General method for the determination of metals by solvent extraction followed by AAS
GB/T10726-1989化学试剂溶剂萃取-原子吸收光谱法测定金属杂质通用方法
9.
Containing three replaceable atoms or radicals.
三羟基的包含有三个可取代的原子或基团的
10.
The Reactivity of the Bromine of 2-Bromopyridine in the Reaction with Sodium Alcoholates
溴吡啶的溴原子被烷氧基取代的化学活性
11.
DFT Study of Nucleophilic Substitution at Sulfur
硫原子上亲核取代反应的密度泛函理论研究
12.
The Removal of Zirconium and Chromium in the Process of Recovery of Am Cm and Pm from High-Level Radioactive Waste Liquor by High Speed Cation Displacement Chromatography
快速阳离子排代法提取镅锔钷时除去杂质元素锆铬的研究
13.
first filial
杂交第一代, 子一代
14.
Separation and Preconcentration by Extraction and Anti-Extraction-Determination of Trace Te in Complex Geological Samples by Hydride Generation Atomic Fluorescence Spectrometry
萃取/反相萃取分离富集-氢化物无色散原子荧光法测定复杂地质样品中的痕量碲
15.
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
16.
Atomsitic Simulation of Doped LaMnO_3 and La_2CuO_4;
掺杂LaMnO_3和La_2CuO_4的原子模拟
17.
Theoretical Study of Intramolecular Nucleophilic Substitution on Nitrogen and Tautomerism of 2-Aminothiazole;
分子内氮原子上亲核取代反应以及2-氨基噻唑异构化的理论研究
18.
F1 The first filial generation; i.e. the first generation that results from a particular cross.
子一代（杂种一代）：杂交第一代，也就是一个特定杂交产生的第一代。