硼烷

催化剂具有扭曲的椅式构型，与硼烷在N原子处配位形成加合物，反应是放热的。

The catalyst is a twisted chair structure and reacts with borane at the N site of the catalyst to form catalyst borane adduct . The formation reaction is exothermic .

对恶唑硼烷催化前手性酮砜不对称还原反应进行了半经验MNDO研究。

The asymmetric reduction of ketosulfone with borane catalyzed by oxazaborolidine is computed by means of the semi-empirical MNDO method .

硼烷结构规则的Xα方法研究

Structure Rule of Boron Hydrides Calculated by X_ α Method

乙硼烷（B2H6）在醚溶液中分解的理论研究

A DFT Study of Dissociation of Diborane ( B_2H_6 ) in THF

基于氨硼烷先驱体的BN纳米管的制备与表征

The Synthesis of Boron Nitride Nanotubes Using BH_3NH_3 as a Precursor and Characterizations

正交设计法用于取代茂铁硼烷化合物的TLC溶剂系统的选择

Selection of TLC Solvent System for Separating Substituted Ferro Cyclopentadienyl Borane Using Orthogonal Array Method

Wade规则及它在稠合型硼烷等中的应用

Application of Wade 's rule on condensation boranes or some other clusters

在同一反应条件下，体系有无吡啶硼烷，所得结果有显著差别。吡啶硼烷改性系列的软化点、残炭值及PI组份的含量均明显高于纯沥青系列。

Compared with the pure pitches , pyridine borane modified pitches had higher softening points , carbon yields and PI fraction content at the same reaction conditions .

硼烷分子中化学键性质的研究Ⅳ.B4H8X及B4H8的结构与成键特征

Studies on the Nature of Chemical Bonding in Boranes IV. The Structure and Bonding Characteristics of B_4H_8X and B_4H_8

讨论了Wade规则经数学转换后在稠合型多面体硼烷中的应用。

We have discussed the application of the Wade rule which is transformed by mathematics ways in joined-type polyhedral boranes .

评价了其他作者提出的把Wade规则应用于稠合型硼烷中的方法。

This paper appraises the method that is put forward by other authors about application of the Wade 's rule to condensation boranes .

本论文主要合成了手性恶唑硼烷酮催化剂，它对1-3偶极环加成和不对称Aldol反应具有良好的催化效果。

It was very efficient with perfect enantioselectivity when used in asymmetric 1 , 3-dipolar cycloaddition and asymmetric Aldol reactions .

硼烷缺电子多中心桥键的H-F力研究

A Study of H-F Force for Multicentre Bridge Bond in Electronic Deficient Molecule Boranes

本文用AM1分子轨道方法研究了1，3，2-恶唑硼烷对苯甲酮的不对称催化还原。

The enantioselective reduction of phenyl methyl ketone catalyzed by1,3,2-oxazaborolidine has been studied by AM1-SCF MO method .

相转移催化下有机硼烷的反应&由KBH4和烯烃一锅反应合成二烷基酮

PTC Reaction of Organoborane : A One-pot Synthesis of Ketone via KBH_4 and Alkene

利用化学镀的方法，以硫酸钴为主盐，二甲基胺硼烷为还原剂，制备纳米晶Co-B合金，研究了在各种条件下沉积速率的变化。

Nanocrystalline Co-B alloy was prepared successfully using electroless deposition method . Change in deposition rate under various conditions was studied .

碱金属碳硼烷具有较低的跃迁能，较高的振子强度以及较大的跃迁偶极矩导致其具有较高的二阶NLO响应。

A lower transition energy with a larger oscillator strength and a larger transition moment will lead to a larger second-order NLO response in alkali-metal carborane .

运用锥理论和拓扑方法研究一类非线性Hammerstein本征值问题的非平凡解.闭式硼烷阴离子等的半拓扑图式研究

The paper deals with the existence of nontrivial solutions to a class of nonlinear Hammerstein eigenvalue problems using the cone theory and the topological approach . THE STUDIES OF HALF TOPOLOGICAL APPROACH ABOUT CLOSE BORON HYDRIDE ANION ET AL

用10%浓度的乙硼烷（B2H6）氢气混合气作为原料，研究了不同条件对MgB2薄膜沉积速率的影响。

Using B_ 2H_ 6 precursor gas of 10 % concentration , we studied the effect of different factors on the deposition rate of MgB_ 2 thin films .

采用Dunning基的从头计算量子化学方法阐明，在乙硼烷中两个氢桥三中心键已因σ-共轭效应而融合成一个四中心键。

It is demonstrated by means of quantum-chemical ab initio method , with the Dunning 's basis set , that , owing to the cr-conjugation . effect , the two three-center hydrogen-bridge bonds have been fused into a four-center bond .

利用量子化学从头算方法在HF／6－31G水平上，优化计算了带两个负电荷的封闭型硼烷B15H2－15（D3h）的结构，能量和正则振动频率。

The geometrical structure of the doubly negative charged closo boron hydride B 15 H 2 - 15 ( D 3h ) was optimized at the HF / 6-31G level , and its energies and normal mode vibrational frequencies were computed at the same level by using abinitio molecular theory .

二是含反应性基团的单体接入聚烯烃分子链末端起链转移剂作用，这类链转移剂有硼烷、p-MS、硅烷和烷基锌等。

The other is the process in which the monomer containing " reactive group " is grafted at the end of polyolefine molecular chain , acting as a chain transfer agent , such as borane , para - methyl styrene , silane and alkyl zinc etc.

最后对硼烷和LiAlH4还原酰亚胺可能的机理进行了讨论。

The reduction mechanism of diborane and LiAlH_4 was finally discussed .

二乙胺合三（2-苯骈噻唑基）硼烷在电子电离质谱中的反应

The Reaction of Diethylamine Tri ( 2-benzothiazolyl ) Borane in EI-MS

吡啶硼烷改性对沥青性能及组成的影响

Influence of PYRIDINE-BORANE modification on the properties and component of pitches

手性恶唑磷烷&硼烷催化活性的理论研究

Theoretical Studies on Catalytical Activity for the Chiral Oxazapholidine & Borane

不同煤焦油沥青与吡啶硼烷反应性能的比较

Study of reactivity between different coal tar pitches and pyridine borane

乙醇胺合三（2－呋喃基）硼烷的分子和晶体结构

Crystal and Molecular Structure of Ethanolamine Tri ( 2-furyl ) borane

乙硼烷的简正振动频率和光谱熵

The frequencies of the normal vibration and spectral entropy of diborane

硼烷结构规则的量子化学计算

The Quantum Chemistry Calculations for the Structural Rule of Boranes