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Presents an algorithm for generating the sum of disjoint products by using binary decision diagram as well as certain ordering role of paths and Boolean algebra formulas.

利用二分决策图,同时采用道路排序技巧及布尔代数运算给出了求不交和的方法,它比单纯采用二分决策图的算法更简单,不交和的项数更少,从而得到一个求网络可靠度的有效算法。

Moreover it is very difficult to confirm the divided difference interval rightly.

自动微分是一种新的能精确而有效地计算导数的方法,它优越于传统的微分方法。

The distribution and the variation of the pre-stressed effective quantities in the cross section of the beam are comprehensively analyzed by the FEA along with the variation of the span numbers, span length and linear rigidity ratio of beam to column, wherefore the effect factors and the specific conclusions of lateral restraints on the pre-stressed formation in the concrete beam are drawn.

本文以竖向支承构件有一定侧向刚度的预应力混凝土框架结构为研究对象,分析了框架梁受到柱的侧向约束时的受力机理,并运用有限元数值模拟计算方法全面分析了随着梁柱线刚度比、跨度、跨数等诸多因素的变化,框架梁中预应力有效量的分布和变化情况,得到了侧向约束对框架梁建立预压应力的影响因素和具体结论。

Simulation shows the algorithm validity and the attitude motion equation in error quaternion are effective to omnidirectional attitude control.

仿真表明了全角度算法的正确性,以及基于文中的四元数姿态误差方程可有效进行导弹全方位姿态控制。

Elevating the valid time of using the cell, and using the cell more rationally. The MCU AT89C51 was used as its main CPU and combined with display module, A/D converter, expended memory and watch dog technology in order to satisfy the need; a new type of infrared wireless technology was used to transmit the data collected and was given the real circuit design picture.

能更有效、合理地使用和保养电池组,提高电池使用寿命;该系统采用单片机主机AT89C51结合显示、模/数转换、扩展存储和看门狗技术;数据传输采用RS-232串口转红外无线技术进行传输,并给出了具体电路设计图示。

Results Sheep spleen polypeptides could significantly stimulate multiplication and transformation of mice's spleen lymphocytes; increased markedly the weight of spleen and the thymus; promoted delayed hypersensitivity; increased the quantity of antibody-producing cells; increased the level of serum hemolysin; promoted the expurgation effect and the phagocytic function of monocyte/macrophage and increased the activity of natural killer.

结果 羊脾多肽能使小鼠脾、胸腺增重,明显刺激小鼠的脾淋巴细胞增值,促进小鼠迟发型变态反应作用,提高小鼠抗体生成细胞数,提高小鼠的血清溶血素水平,但促进小鼠单核-巨噬细胞碳廓清作用不明显,增强小鼠的单核-腹腔巨噬细胞吞噬能力,有效提高小鼠自然杀伤细胞活性。

Factor analysis is used to group the raw variables for further multilevel analysis to understand the heterogeneity.

以因素分析将变项数做有效减少后,将变项纳入多层次分析来探讨其异质性。

The mathematical programming formulation and related solution procedure are established by the traditional BEM. Through the discretization of space and time, the elastoplastic stress simulation method and reduce-basis technique are adopted to construct the self-equilibrium stress field. The numbers of variables and constraint equations in the resulting mathematical programming formulation are reduced greatly and then the dimension obstacle of computation in 3-D limit and shakedown analysis is overcome.

采用常规边界元方法建立了三维结构极限与安定分析的数学规划格式,通过对时间和空间的离散化,并采用弹塑性模拟法构造自平衡应力场和引入减缩基技术,大大减少了所形成的数学规划格式中的未知变量和约束方程的数目,有效地克服了三维结构极限与安定分析中的维数障碍问题。

In this paper, a new approach for automatic extracting the local maximum lines from the first horizontal derivative images of geophysical fields is proposed.

提出了一种自动提取地球物理位场水平一阶导数图象中局部极大值线的有效方法。

The stratigraphic completeness was figured out, which improved the resolution of recognition of sequences; the fractal dimensions of log curves change abnormally at SBs and fs, being a good parameter in high-resolution sequence stratigraphic analysis and explanation of the complexity of geological background; the fixed vector and the transfer step of the probability matrix can be used in describing quantitatively the randomicity law of the evolution of stratigraphic accumulation, being helpful in analysis of sedimentary series.

测井序列的小波变换不仅可以直观方便地识别层序、准层序界面,而且,与FFT相结合进一步识别出其中的米氏旋回层,并计算出层段地层完整性,大大提高了层序识别分辨率;测井曲线的分形维数在测井层序界面及海泛面处有异常反映,是高分辨层序分析及地质背景复杂性解释的有效参数;固定向量和状态矩阵转移步数可定量描述沉积序列演化的随机规律性,是地层序列分析的辅助手段。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。