查询词典 variations equation

Based on the dynamic materials model theories,hyperbolic sine equation and two Liapunov stability criteria,the processing maps of T122 heat resistant steel were constructed using the data obtained from isothermal hot compress test s by means of a Gleeble 3 500 simulator.

结果表明：T122钢在1085℃以上、应变速率小于0.37s-1压缩变形时，功率耗散效率达到峰值0.2，此时发生了完全动态再结晶；对于工业热加工，建议在变形温度为1085~1150℃和应变速率大于0.13s-1的范围内选择加工参数

Although it is proved via a hyperbolic symmetric system,some especial contents from Poisson equation are to be dealt with.

尽管主要的思路是将原系统转化为一个对称双曲系统来处理，但一些来于Poisson方程的具体内容仍需要考虑。

In the proof of the theorem we reduce theestimate of solutions to hyperbolic system to the corresponding case fora scalar pseudodifferential equation of the first order, then weestablish the required estimate by using microlocal analysis.

在定理的证明中我们将双曲组化到相应的一阶拟微分方程的情形，进而利用微局部分析建立所需要的估计。

By introducing non-relativistic, adiabatic and quantum approximation to NLCMEs in the FBG with hyperbolic tangent apodization, and assuming the soliton as a particle with low velocity and invariant energy, the track equation of soliton is obtained.

利用双曲正切中间变迹光栅中的NLCME，引入非相对论-绝热-准量子近似法，将光栅孤子作为一个低速运动且能量守恒的整体进行分析，得到了孤子的轨迹方程。

After simplification of the Jou model,a diffusion dynamic equation, which was characterized with hyperbolic type, was obtained, then simulative analysis for three combined dimensionless parameters was done to research various diffusion behavior resulted from the change of model parameters.

经过对Jou模型的简化处理，得到了双曲型的扩散动力学方程，通过对模型中3个组合参数的仿真分析，研究了参数的变化可能导致的不同的扩散行为。

Wave-equation datuming can make the frequence-division stack method, which is depended on hyperbolic type, to be used in deep layer data; and make migration on the datum-level to be high efficient and accurate.

在对具有深层复杂地质特征的实际资料的处理中见到了效果。

The energy spectral problem is described by the Walker equation that changes its type from hyperbolic in the ferrite to elliptic in the dielectric.

这个能量光谱问题可被Walker equation所描述，其中方程式由双曲线型在铁氧磁体改变到椭圆型在绝缘体。

The process of shock mechanical energy flowing into the molecule of the en-ergetic material is expounded.According to the hyperbolic type thermal conduc-tion equation,the author modifies the mathematic model describing intramolecu-lar vibrational state pumping,which was presented by D.D.

论述了冲击机械能向含能材料分子内部流动的过程，结合双曲型的热传导方程修正了国外一些学者提出的分子内部振动态泵浦的数学模型，提出了一组与他们的方程不同的非线性偏微分方程，根据方程的试探解，用迭代方法，得到了数值解。

Kinetics of methanol dehydration to dimethyl ether on modified kaolin catalyst was studied in an integral reactor under normal pressure. It is deduced that the surface reaction of methanol molecule adsorbed on the active site of catalyst with methanol molecule in gas phase is the rate determining step. The hyperbolic type kinetic equation r=ksbMpM2/(1+bMpM+bpE) is obtained according to the theory of langmuir even adsorption and using the R-E mechanism.

采用积分反应器，考察了常压下在改性高岭土催化剂上甲醇脱水生成二甲醚的反应动力学，根据Langmuir均匀吸附理论，采用R-E机理，推断吸附的甲醇分子与气相主体中的甲醇分子发生的表面反应为速率控制步骤，得到双曲线型动力学方程为： r= ksbMpM2 /(1+bMpM+bpE)（r为反应速率， ks为反应速率常数， bM为甲醇的吸附平衡常数， b为二甲醚和水的吸附平衡常数之和， pM、 pE分别为甲醇、二甲醚的分压）。

A.Cayleys modern thought that looked matrix upon as a hypercomplex developed to the early days of the 20~ century from the end of the 19~ century. Infinite matrix theory and the matrix theory on abstract region investigated further since the development on integral equation and modern physics.

凯莱把超复数视为矩阵的思想在19世纪未至20世纪初得到发展，由于积分方程的发展以及近代物理的需要数学家们开始了对无限矩阵理论、元素属于抽象域的矩阵的研究。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。