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The red and black ordering method about the coefficient matrix of a class of linear equations and the condition number of schur complement matrix deduced from red and black matrix are studied.

利用矩阵相似变换推导出红黑排序矩阵中的舒尔补的特征值和条件数表达式。

The electronic and optical properties of blende phase ZnS systems doped with 3d transition metal ions were studied by the first-principles method based on density functional theory. The density of state, band structure, and absorption coefficient were calculated.

采用基于密度泛函理论的第一性原理方法对掺杂不同3d过渡金属元素的闪锌矿型ZnS系统进行了研究。

The results indicated that the strength of corner joints increased with the increase, of thickness, density, moisture content, MOR and IB of the board, and that the measure of coefficient of variability for MOR and IB of the board would play a more important role in the stability and strength of corner Structure in furniture.

本试验中，以木质圆榫不可拆连接角结构抗变形强度和偏心凸轮连接角结构抗破坏变形强度为最高，试验的综合结果表明，可拆型连接的角结构强度总是低于不可拆型连接的角结构；角结构承受拉载的能力明显低于承受压载的能力。

Thermochromic properties of vanadium dioxide thin films are applied to solar energy materials, photoeletric switch and bolometer materials for the uncooled microbolometers due to their high temperature coefficient of resistance at room temperature.

中文摘要具热致变特性之VO2薄膜因在室温附近有明显的相转变现象，同时发生光电性质的急遽的转变，且在室温之下有较高的电阻温度系数，所以在一系列氧化钒化合物中格外被受瞩目；VO2因这些性质而被广泛应用於太阳能控制材料、电学开关、光学开关及非冷却型辐射热感测器等半导体元件之中。

Energy distribution function and chemical reaction rate coefficient s were calculated through Boltzmann equation analysis and collision theory.

应用碰撞理论和波尔兹曼方程分析，对能量分布函数及反应速率常数进行数值模拟，得到离解反应速率常数与温度的曲线，分析预报各反应过程及表现。

Present study also indicates that the restitution coefficient of particles and contacting bond energy can directly affect the form of agglomerates.

研究还表明，颗粒碰撞弹性恢复系数和界面能的变化将直接影响流化聚团的生成。

The effects of the interfacial bond strength,the embedded length of fiber and the thermal expansion coefficient on the fiber pullout process were studied.The results showed that the model ...

结果表明该模型能很好的解释纤维拔出的破坏过程，纤维的最大拔出力和材料的承载能力都随面结合强度、纤维的埋入长度和基体的热膨胀系数增大而增大；纤维与基体热膨胀系数的不匹配对摩擦拔出力有直接影响。

On the basis of water balance model, a simplified analytic model of border irrigation is set up with the help of upper storage water coefficient.

根据水量平衡原理，通过引入地表储水形状系数和提出的公式所计算出的下渗水形状系数，建立了基于水量平衡原理的畦灌水流推进简化解析模型。

As implicit pressure and explicit saturation method is selected to calculate black oil model and the bottom-hole pressure is introduced, the coefficient matrix of pressure equation becomes bordered seven-symmetrical matrix.

用IMPES法求解黑油模型，引入井底压力为未知数时，压力方程的系数矩阵变成了加边的七对角阵。

As implicit pressure and explicit saturation method is selected to calculate black oil model and the bottom-bole pressure is introduced, the coefficient matrix of pressure equation becomes bordered seven-symmetrical matrix.

IMPES法求解黑油模型，引入井底压力为未知数时，压力方程的系数矩阵变成了加边的七对角阵。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。