均裂

用共价键的均裂和异裂法计算有机物各原子的氧化数

Using methods of homolysis and heterolysis of covalent bonds to calculate the number of oxidation of atoms in organic compounds

求得可能的四种不同热解反应通道的过渡态、活化能和位能曲线，发现其热解引发步骤为五元环上侧链N&NO2键的均裂。

All transition states , activation energies and potential curves of four possible reaction paths were obtained . It was found that the homolysis of N & NO2 bond in five-membered ring is the initial step .

基于上述实验结果，进一步证实经过给电子配体，溶剂杂原子的配位诱导，能促使稀土Yb-N键发生均裂，发生单电子还原反应，最终得到Yb（Ⅱ）化合物。

Based on the above experimental result , we found that donor ligands can promoted homolysis of the Yb-N bond , and gave the final ytterbium ( II ) complexes .

烯丙位化学键均裂离解能及其取代基效应

Homolytic Bond Dissociation Energies of Allylic Compounds and Related Substituent Effects

碳&碳键均裂反应的溶剂效应

Solvent Effect on the Homolytic Reaction of Carbon - Carbon Bond

乙腈介质中S&NO键异裂能和均裂能的测定

Determination of Heterolytic and Homolytic S_NO Bond Dissociation Energies in Acetonitrile

碳－碳键均裂引发苯乙烯的悬浮聚合反应

The Suspension Polymerization of Styrene by Thermal Scission of Carbon Carbon Bond

α-V、Ⅵ主族正离子取代的甲苯和苯乙酮系列中碳-氢键均裂及异裂能量的研究

Homolytic and Heterolytic C-H Bond Dissociation Energies of a-V ( or ⅵ) - Group Cation-substituted Toluenes and Acetophenones

固化反应的机理可能为硫磺在高温下八元环首先发生均裂从而产生链自由基，然后硫磺自由基一方面与烯丙基双键作用进行自由基加成反应；

The curing mechanism was likely to be that the sulfur firstly broke its chain when heated to a relatively high temperature and sulfur radical was induced in the system .

发现标题物与通常的硝胺类爆炸物遵循类似的热解引发反应机理，皆始于N&NO2键的均裂，生成两个自由基。

It is found that the homolysis of N & NO_2 bond into two radicals is the initial step of titled compound , which is similar to that of usual nitramine explosives .

已形成的长直链烷基苯通过β分裂、单分子均裂形成苯甲基、烯烃，苯甲基通过氢转移到长链烷基苯的α碳上，烯烃再与α碳结合形成带支链的烷基苯。

The formed long and linear chain alkyl benzene changes into benzene methyl and alkene through β - scission and monomolecular homolysis , and then benzene methyl shifts to the position of α - Carbon in the long chain alkyl benzene through H-transfers .

均为峡部裂性腰椎滑脱的患者。

All patients were isthmic spondylolisthesis .

8只眼伴有视网膜表面膜，均伴有黄斑裂孔和视网膜内囊肿样改变。

Epiretinal membrane was found in 8 eyes , which all combined with macular hole and intraretinal cyst .

结果：隐裂模型的最大拉应力、最大压应力和最大VONMISES应力均高于非隐裂对照模型。

Results : For the model with the cuspal inclination of the cracked maxillary first molars , its maximum tensile stress , compressive stress and Von Mises stress were higher than those of the control models .

方法：60例基底节区血肿均采用经侧裂入路手术治疗。

Methods : 60 patients with hematomas in basal ganglia region were treated by microneurosurgery .

结果：眼神经的分支额神经、鼻睫神经和泪腺神经均经眶上裂入眶。

Results : The frontal , nasociliary and lacrimal nerve , divisions of ophthalmic nerve , entered the orbit via the superior orbital fissure .