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Starting from the six-quark-diagram scheme and low energy effective Hamiltonian,we calculate the various Feynman diagram s in the charmless hadronic B-meson decays for the two body pseudoscalar meson final states within the framework of perturbative QCD.

在微扰 QCD框架下，利用六夸克图方案及低能有效哈米顿，对于两体赝标介子末态，给出了诱导 B介子无璨弱衰变过程的不同费曼图的计算。

Drawback occurred in the classical VSSMC can be alleviated in the proposed control scheme because of importing the eliminating chatterer. According to the control strategy put forward above, corresponding controller for ABS is designed.

利用BOLTMANN-HAMEL方法所推导的双轴车辆动力学方程，可开环或闭环模拟转弯制动车辆的操纵稳定性，特别在分析ABS对车辆转弯制动性能的影响或VDSC系统研究中有重要作用。

In this paper a dynamic secret sharing scheme based on discrete logarithms was proposed and it can detect cheaters.

本文提出了一个基于对数的动态秘密分享方案，它能够检测欺诈者。

Spectral element methods for partial differencial equation is introduced in this study from viewpoint of the collocation approximation of Chebyshev polynomial. Wave Equation and its space discretization are deduced. Two time integral methods, central difference method and implicit Newmark method, are introduced, and their stability and applicability are also discussed in some details. The significance of absorbing boundary conditions in spectral element methods for Aeroacoustics is explained, and Clayton-Engquist-Majda absorbing boundary conditions is emphasized and introduced, then the discrete scheme of this boundary conditions is deduced and applied to spectral element methods for wave equation.

本文从Chebyshev多项式逼近理论出发，详细介绍了谱元方法求解偏微分方程的过程；推导了流体中的声波动方程并在空间上对其进行了谱元离散；详细讨论了两种时间积分方法──中心差分法和Newmark方法，分析了它们的稳定性条件，并从理论上对比了两种方法的优缺点和适用范围；将吸收边界条件推广应用于谱元方法求解气动声学问题中，重点介绍了Clayton-Engquist-Majda吸收边界条件的原理和公式，推导了该吸收边界条件的变分形式，并将其引入波动方程的离散形式中。

We hope the scheme can be extensively used in complex chemical reaction in enzyme.

我们期望这个方案能被广泛的用于溶液中或酶中的复杂反应。

Through a competitive grants scheme, the Trust will provide funding for projects that screen developing country collections—including wheat, chickpea, rice, barley, lentils, coconut, banana, maize, and sweet potato—for traits that will be essential for breeding climate-ready varieties.

通过竞争性赠款计划，该信托将提供资金，项目，屏幕发展中国家的集合，包括小麦，鹰嘴豆，大米，大麦，小扁豆，椰子，香蕉，玉米，红薯和为特徵将是必不可少的育种气候准备好品种。

Ted s chimerical scheme to make a fortune by raising ermines in his backyard proved a dismal failure .

不出大家所料，泰德想在后院饲养白鼬来发财的荒诞不经的计划以惨败告终。

Above: Austrian version of the German Stahlhelm, in their tan color paint scheme with fabric chinstrap.

之上：奥地利的德国版Stahlhelm，在棕褐色的颜色与面料南极漆计划。

Instead of venturing into Cholla, Mr Lee could have launched the scheme on the banks of another river it covers, the Geum in Chungchong.

与其在全罗道冒险，李总统大可将立足点放在计划中另一条河流——忠清道锦江的两岸。

By analyzing the chorine alkali industry status in quo, a cooling scheme is advanced to optimize the distribution of NaCl crystal sizes with the purpose of improving the product quality.

通过对氯碱工艺现状进行分析，提出了改进的冷却方案来优化NaCl的结晶粒度分布，以提高烧碱产品质量。

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。