查询词典 dimensional equation

In this thesis, different types of stability equations, including Orr-Sommerfeld Equation and Parabolized Stability Equation based on the"slow change"hypothesis and the local method equation which is computed in local range, are derived from Navier-Stokes equation with"small disturbance"hypothesis.

摘要本文从Navier-Stokes方程出发，导出不同形式的流动稳定性方程，包括采用小扰动理论得到的Orr-Sommerfeld方程、基于流向慢变特性而得到的抛物化稳定性方程以及在一小范围内计算的局部法方程。

In this thesis, different types of stability equations, including Orr-Sommerfeld Equation and Parabolized Stability Equation based on the"slow change"hypothesis and the local method equation which is computed in local range, are derived from Navier-Stokes equation with"small disturbance"hypothesis.

本文从Navier-Stokes方程出发，导出不同形式的流动稳定性方程，包括采用小扰动理论得到的Orr-Sommerfeld方程、基于流向慢变特性而得到的抛物化稳定性方程以及在一小范围内计算的局部法方程。

The ammonia volatilizing of fertilizer is suit to the dynamic equation as Y=a+bt, the coefficients in the equation are related to the kind of fertilizer, temperature and water content of soil, and the dynamic equation about ammonia volatilization including water and temperature and the is developed. In addition, the dynamic equation about ammonia fertilizer affected by interaction of water and temperature is gotten.

肥料氨累积挥发量符合零级反应动力学方程Y=a+bt，方程中系数与肥料种类、温度和土壤含水量有关，碳铵a、b值均比硫酸铵高，土壤含水量增大，a、b值降低，温度升高，a、b值增大，并由此得到含温度或土壤湿度因子的肥料氨挥发动力学方程，并建立了含水、热因子的肥料氨挥发水热耦合效应动力学方程。

We can lead out the equivalent border integral equation by Green the second equation,dividing the inner border in the liquid into a series strip of awls shell or cylindrical shell ,and solve border integral equation along different segment of border, then lead out border integral equation.

由Green第二恒等式导出等价的边界积分方程，将液体内边界分成一系列锥壳或柱壳状条，对边界积分方程进行分段积分，导出边界元格式方程。

By the use of Circling cluster and Envlopment theory and flat surface sit-mark transformation theory, the chain wheel tooth equation of roller chain at high speed to match conjugage engagement is deduced.Establishing chain speed equation of roller chain at high speed,based on the analysis of the speed curves between roller chain at high speed and common roller chain,good drive of roller chain at high speed is verificated theoretically.By a example that move distance from transverse vibration between roller chain at high speed and common roller chain is contrasted,the accuracy of those theories that the paper brings up and higher functions of roller chain at high speed is proved.Finally, Establishing conjugage engagement line equation of roller chain at high speed and analyzing the complete engagement zone, the chain wheel tooth curve equation is studied at a higher degree. At the same time,the lack's place of the research result is pointed out.

依据高速滚子链设计要求与H_y-V_0齿形链的研究，阐述了滚子链传动实现准共轭啮合理论可能性；利用圆族包络法结合平面坐标变换理论推导出了满足共轭啮合的高速滚子链的链轮齿廓曲线；建立起高速滚子链链速方程，通过对高速滚子链与普通滚子链链速曲线的对比分析，从理论上验证了高速滚子链具有良好的传动性能；最后，建立起高速滚子链共轭啮合线方程，对其整个啮合区间进行了分析，进一步研究了链轮齿廓曲线方程，确定了主要参数的设计方法的问题，并同时指出了不足之处。

Different models for different structure sections are established, namely, one-dimensional piping model for laneway or large hole, two-dimensional structure plane model for absciss layer and contacting weathering zone, three-dimensional seeping fracture section model.

分区建立了采空区不同注浆结构部位的理论模型，包括采空区空洞或巷道的一维"管道"模型、离层与接触风化带等结构面二维模型、导水裂隙带三维模型。

Using the substitution-elimination method affine algebraic variety can be resolved to pure d-dimensional subvariety and expressed by an algebraic hypersurface on d+1-dimensional space with a sequence of elimination-polynomial systems. All 0-dimensional solution can be found, too.

利用变换消元法可以把代数簇分解成纯d维的子簇，并把代数簇表示为d+1维子空间上的超曲面形式和一系列的消元多项式组，且能求出全部孤立解，同时给出了算法及其在多项式因式分解中的应用。

The system can receive and pretreat the discrete data of TXT format, realize different pattern three-dimensional visualization of line, different color and texture, etc. and has the functions of real time dynamical browse, three-dimensional coordinates query, grid data and three-dimensional figure export etc.It has too the functions of three-dimensiona contrastive figure drawing and contrastive data export of alterant riverbed terrain.

该系统能够接受TXT格式的离散数据并进行预处理，实现线框、不同设色、光照、纹理映射等不同模式的三维河床地形可视化，具有实时动态浏览、三维坐标查询、网格数据及三维图形输出等功能；同时，还具有河床地形冲淤变化前后叠加三维对比效果图的绘制以及对比数据的输出等功能。

Herein, a self-assembly system with polymer pattern of lower molecular weight polyaerylie acid have been built up, in which some nanosized complex was synthesized, including nanosphere of Pb-PAA, one-dimensional nanorod of CuS-PAA and PbS-PAA, one-dimensional helix nanochain of PbSO4-PAA, and one-dimensional reticulate nanofibres of PbCr2O7-PAA. The mechanism was discussed preliminarily, the important action of the bone angle torsion as well as the ""contact bridge"" served by ion in the course of self-assembly was proposed for the first time.

本文以低分子量聚丙烯酸为高分子模板构建自组装体系，首先合成了几种特殊形态的纳米配合物，包括纳米微球Pb-PAA、一维纳米棒CuS-PAA和PbS-PAA、一维螺旋纳米链PbSO_4-PAA及一维有序纳米纤维网络PbCr_2O_7-PAA，初步讨论了该自组装体系的合成机理，首次提出了键角张力和分子的"搭桥"作用在自组装过程中的作用。

II.Based on the above fundamental solutions,the fundamental solutions ofplane and antiplane problems in two dimensional elasticity body are constructedunitedly by using the reduce dimension technique of integration and consideringtwo dimensional problems as particular cases of three dimensional ones.

将二维问题视为三维问题的特殊情形，由三维问题的基本解，采用积分降维技巧，统一导出了平面问题及反平面问题的单位集中不连续位移基本解；建立了一般边界积分方程；完成了相应的不连续位移边界元方法；给出了在断裂力学中的应用。

Pradeep Indulkar, a senior official at the Maharashtra state Home Ministry say 101 human were killed and 287 injured.

马哈拉施特拉邦内政部高级官员Pradeep Indulkar称，有101人在冲突中丧生，287人受伤。

Mark Frei, a senior vice president of West, says 80% of West's homeagents have some college education, compared with 30% of those whowork in office-based call centers.

Frei说，该公司80%在家办公的人员都拥有本科学位，而在公司电话中心工作的人中只有30%拥有本科学位。