It is shown that the strengthening mechanism of the composites are secondly phase strengthening and grain refining, and the toughening mechanism is a synthetic effect in terms of grain refining, microcrack forming, crack deflection and crack branching.

It is found that intragranular structure is formed, and the tortuous routes of crack propagation and the branching, deflecting and bridging are also observed on the fracture surface.

通过对其断口的观察，发现形成了晶内型结构，并观察到了裂纹曲折的扩展路径以及裂纹的分叉、偏转、桥联，这些有助于材料强度和韧性提高的现象。

Crack defection, crack branching and whisker bridging process may also contribute to the increase of fracture toughness.

断裂韧性的增加是由于裂纹偏转、裂纹分支和钉扎等作用引起。

The micro cracks in matrix propagate along the bainitic ferrite austenite interface. The crack deflection or branching is occurred due to the different orientation of bainitic ferrite.

基体中的裂纹多数是沿贝氏体铁素体-奥氏体界面扩展，不同取向的基体组织可使裂纹偏转或分叉；

Consequently, at the macroscopic crack branching velocity, the experimental fracture surface energy and the fracture surface roughness; have no single value in such materials.

因此，对这种材料在宏观裂纹分叉速度时，实验断裂表面能及断裂表面韧性没有单一值。

Effect of Temperature on Crack Branching in Soda-Lime Glass Plates Subjected to Biaxial Flexure

温度对钠钙玻璃板在双向弯曲试验中裂纹分叉的影响

Lateral branching type: the vein and its branches ran accompanying the lingual nerve.

外带显现的为舌神经伴行静脉及其属支；

Grafting Tests Showed the Lateral Branching Development Was Inhibited by a Graft-transmissible Signal in Cucumber

嫁接证实黄瓜侧枝发育受到一种可以嫁接转移物质的抑制

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.

研究发现：分形结构特征对反应物的扩散性质具有重要影响。

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