耦合

In this paper, a moving-boundary problem occurring under the acidifying was discussed, which was transformed into a coupled problem of an initial-boundary value problem of nonlinear parabolic equation and an initial value problem of differential equation.

建立了油气层酸化过程中的动边界模型，经Landau变换后，将所求问题转化为定边界上的非线性抛物型方程初边值问题和常微方程的初值问题的耦合问题，并给出了耦合问题的全离散格式。

Cement paste admixing with nano-TiO_(2) of anatase phase, which possesses characteristics of semiconductor,has the property of pressure-sensitivity.

普通的结构材料对各种性能间的耦合特性不是太敏感，但特定材料的复合可以使耦合作用得到强化。

Nano-TiO2 reaches also to the vadose zone when content is lower. Cement paste admixing with semiconductor nano-TiO2 has mechano-electric effect, specific resistance changing is 7%～10%, however, that with non-semiconductor nano-TiO2 has not mechano-electric effect.

纳米氧化钛在较小掺量即可进入渗流区；金红石相纳米氧化钛水泥石不具备力电耦合效应；而复合具有半导体特性的锐钛相纳米氧化钛的水泥石具有力电耦合效应，一次加载至破坏，其电阻率变化率在7%～10%。

The coupling characteristics of the channelized nonradiative dielectric guide are analyzed and the precise coupling equations are given.

对通道化无辐射介质波导的耦合特性进行了分析，给出了精确耦合方程。

The coupling characteristics of the channelized nonradiative dielectric guide are analyzed and the precise coupling equations are given.

摘 要：对通道化无辐射介质波导的耦合特性进行了分析，给出了精确耦合方程。

In this paper, we proposed a new method of coupling in terms of the request of the intersatellite optical communication system. Using an aspherical cylindrical lens whose front cylindrical lens is orthonormal to its back cylindrical lens collimates the laser beam, and then is focused by a GRIN lens and couples to the single-mode fiber.

针对星间光通信系统的要求，本文采用一种新型的半导体激光耦合方案，用前后正交的非球面柱面透镜准直半导体激光束，再经渐变折射率自聚焦透镜聚焦耦合入单模光纤。

In this paper,the power coupling efficiency of semiconductor laser passing through a collimating system is discussed.

在长距离无线光通信中，接收点光功率密度与光束发散角平方呈反比关系，为了获得小的发散角和大的功率耦合效率，要求准直系统有较大的数值孔径，但数值孔径过大会增加像差，因此合理设计功率耦合效率与准直系统的数值孔径就非常重要。

When couple the above LDA into fiber bundle by using 120 μm fiber as collimating lens, we get efficiency of 78%.

利用光纤柱透镜进行半导体激光器列阵与光纤排的耦合，获得了78％的耦合效率。

Using eight known specimens of Fenhuangshan copper deposit, and putting its itto the network to learn, after more than 5000 iterativenesses, the network constringed and the error of output reached the requiration of precision.

矿体的形成与定位也是各种控矿因素耦合作用的结果，其耦合机制是线性函数难以拟合的，而BP人工神经网络的高度非线性拟合功能恰好能解决这一问题。

The nature of coupling between combustion and fracture are twofold in the convecting combustion process of crack cavity. On the macroscopic scale; the coupling appears as the energy and mass transforming between the solid phase of the cracked body the gas phase of the flow field. On the microscopic scale, the coupling induces the evolution of the microstructures, which leads to degradation of mechanical properties of solid materials.

从燃烧断裂耦合的内在形式来看，包括两大方面的内容：在宏观表象上，表现为在含能材料裂纹的对流燃烧过程中，固相裂纹体和对流燃烧流场之间的质能交换形式的热力耦合；在微细观运动方面，热和力的作用诱发固体材料微细观运动和组分、结构的变化，最终改变固体材料的宏观力学性能，表现为固体材料的热力损伤过程。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。