Based on the branching pore-tree, a reaction diffusion model is proposed and used to analyze the effect of the fractal structure on reaction efficiency.

An Ab Initio MO Study of the Microscopic Branching Mechanism for Reaction H+ ClF → HCl+ F

H+ClF→HCl+F微观分支反应机理的从头算分子轨道法研究

Through the analysis of the data, using the A-branching factor analysis the different behaviors of ant system algorithm and improved algorithm in different parameters sets. verified the optimization of the search behavior through the use of the candidate list.

通过对仿真实验数据的分析，使用λ-分支因子法分析了基本蚁群算法与改进算法在不同的参数设置下的搜索行为的差异，验证了候选列表对于算法搜索行为的优化。

A geo-based search tree with branching factor K is constructed by recursively using cluster method to split scenes. The atomic region is defined on the leaf node of the search tree.

通过聚类算法递归的建立了一棵K叉树，将场景划分为由树的叶节点定义的若干原子区域。

Moreover, the analysis has indicated that the asymptotic heuristic branching factor is same as the brute-force branching factor.

分析还表明渐进启发分支因数与遍历分支因数相同。

The branching factor of a regular search tree has a decisive effect on the time complexity of a search algorithm.

正则搜索树的分支因数对算法的复杂度有决定性影响。

Traditional analysis use accuracy as character of the heuristic function and the function's effect is to decrease the actual branching factor.

传统的分析以启发值的精确性作为启发函数的特征，启发函数的作用相当于减小有效的分支因数。

Branching Factor of Regular Search Trees

正则搜索树的分支因数

Branching factor of search process

搜索过程中的分支系数

High-melt-strength polypropylene is achieved with modified PP through long chain branching.

通过长链支化来改性PP，从而得到高熔体强度的PP。

Study on long chain branching in cis-polybutadienes by GPC with double detector combination

双检测器GPC研究顺丁橡胶长链支化度

Long chain branching and critical molecular weight of cis-polybutadiene

顺丁橡胶的长链支化与支化临界分子量

Rheological Behavior and Thermal Properties of Long Chain Branching Polypropylene Prepared by Reactive Extrusion

长链支化聚丙烯的反应挤出制备及其流变和热力学性能研究

Characterization of long chain branching distribution and molecular weight of polychloroprene

氯丁橡胶的长链支化分布和分子量表征

Study on long chain branching in polymers by method of simulating viscosity curve

拟合粘度曲线法研究高聚物的长链支化

A review of the studies on long chain branching of polymers

高聚物长链文化的研究概况

Conclusion: Compared with traditional method, modified supra-clavicular branchial nerve block has such advantages as easy and feasible manipulation, exact action and fewer complication, it deserves to be used widely.

结论：改良法锁骨上路臂丛神经阻滞技术同传统法相比，操作简便易行、作用确切、并发症少，临床可安全使用。

Objective: To observe the clinical effect of modified supra-clavicular branchial nerve block.

目的：探讨一种新的并发症少、操作简单、效果佳的锁骨上路臂丛神经阻滞方法。

Transference of selected muscular branchial nerve for treatment of upper trunk injury of brachial

选择性肌支神经转位治疗臂丛上干损伤

Results: The chief presentation of branchiogenic carcinoma was isolated mass existed in the branchial vestige, sometime recurrent nerve involved.

结果：鳃裂癌的临床表现主要为鳃裂残迹部位的孤立肿块，可伴有迷走神经侵犯症状；

The microstructure of gill was destroyed when exposed to dimethoate and triazophos. Symptoms included the shortening of branchial filament, hyperplasia of inter-filamentary junction and the basal membrane connective tissues, and the jam of water tube and blood tube.

乐果和三唑磷对缢蛏鳃显微结构的影响是：鳃丝变短，鳃丝间隔和基底膜结缔组织增生，鳃孔、血管腔堵塞；