第二因子

Utilizing the tools of conformal mapping and Cauchy integral formula and so on, the SIFs at the crack tips are obtained, which can be reduced to the known results under the condition of limitation; For the third and the fourth section, the problems of arc crack and parabolic crack are researched in one dimensional hexagonal QCs.

第二节研究了一维六方准晶狭长体中双半无限共线裂纹问题，利用保角变换以及Cauchy积分公式等工具求得了裂尖处的应力强度因子，在极限的情况下可以还原为若干已有的结果。

Employing the finite difference calculus, the cavitation bubble pulsating performance with the change of liquid viscosity, gas content, surface tension and condensability is obtained.

在系统地研究固壁面附近空泡溃灭过程的基础上，提出并研究了射流阈值、空泡在第一次和第二次脉动过程衰减蚀除机理以及空泡溃灭周期延长因子等问题。

In chapter two, by using the elements of the matrix we first construct some multiplier factors, then, use the properties of αdiagonally dominant matrix and the techniques of inequalities, we give some new determination conditions for generalized strictly diagonally dominant matrix, these theory have improved some existing results.

在第二章中，利用矩阵某些元素，构造出了几个乘积因子，然后利用α-对角占优矩阵的一些性质，结合放缩不等式的技巧，给出了广义严格对角占优矩阵的几个新的判定条件，改善了已有的某些结果。

By using the properties of part matrix elements in N1 , and by looking for positive diagonal matrix factors, we present some new sufficient conditions of generalized strictly diagonally dominant matrix and improve the recent results.

第二章在行非严格对角占优集N_1划分为N_1~(1)与N_1~(2)的直和N_1~(1)⊕N_1~(2)的条件下，利用下标在N_1上部分矩阵元素的性质，寻求正对角矩阵因子，给出了广义严格对角占优矩阵的几个新的充分条件，同时改进了近期的一些结果。

Quickly add the Test Preparation, mix, and again titrate with the Reagent to the electrometric or visual endpoint.

其中S是第二次滴定所消耗的卡尔试剂体积，单位ml；F是卡氏试剂与水的等价因子。

There are three factors which affected the variation of the elements in the Yangtze river estuary.

第二个因子描述了黄浦江水对长江口水体的污染情况。

In chapter 2, some necessary notations of graph theory are introduced. This chapter mainly studies covered problem of one kind of special branch factor which consists of matching set and cycles.

第二章给出了图的必要的基本概念，研究了图的一类特殊的由对集和圈组成的分支因子的覆盖问题。

This study indicates that the new berry-cup technique can be used continuously to measure the accumulation of sugar in ripening grape berries, and also is an ideal method for studying the mechanism of sugar phloem unloading and influence of inside and outside factors on the accumulation of sugar in ripening grape berries.

结果表明新浆果杯法可连续测定葡萄第二生长期果实糖分积累，是研究葡萄韧皮部糖分卸载机理和内外因子对葡萄果实糖分积累影响的理想方法。

Then, six sensory characteristics including aroma, flavor, bitterness, color, greasiness and overall acceptance were evaluated for the "black tea sauce".

第二阶段则针对红茶酱汁，依香气，风味，苦涩味，色泽，油腻感，整体接受度等感官因子，进行七分制嗜好性品评。

Inge, MD, PhD, from Cincinnati Children's Hospital Medical Center in Ohio, and colleagues.

Inge医师与其同事写到，第二型糖尿病与肥胖、血脂异常及高血压有关，这些都是广为人知的心血管疾病危险因子。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。