- 更多网络例句与扩散程序相关的网络例句 [注：此内容来源于网络，仅供参考]
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This is the calculation of partial differential equations encountered discrete diffusion coefficient of procedures, very effective.
这是在计算偏微分方程时遇到离散扩散系数时的程序，很有效。
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A numerical calculation program is written up for the various solution methods in this paper and the program is being used in various aspects of inverse problem of environmental hydraulics, including inverse problem in reverse process of one-dimensional unstable diffusion, inverse problem in reverse process of convection-diffusion, inverse problem for the dispersion coefficient in water quality model, The inverse problem of coefficient identification for nonlinear Boussinesq equation, parameter identification inverse problem for water quality model, the inversion of parameter of BOD-DO water model, the inverse problem of the source of convection-diffusion, identification of the steady-state permeability for two dimensional isotropic medium, two-dimensional steady inverse problem of convection-diffusion and parameter identification inverse problem for two-dimensional parabolic equation, etc.
对本文提出的各种算法，编制了数值计算程序，并把它应用于环境水力学反问题诸多领域，包括污染物一维非恒定扩散逆过程反问题，对流扩散方程逆过程反问题，河流水质纵向弥散系数反问题，非线性Boussinesq方程反问题，河流水质多参数识别反问题，BOD-DO水质模型参数反演问题，对流—扩散方程源项反问题及二维恒定各向同性介质渗透系数反问题，二维定常对流——扩散方程及二维抛物型方程参数控制反问题等。
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In this paper, a code TFEM-2D (Triangular Partition, Finite Element Method Two-dimensional Problem) for the few-group, two-dimensional, geometrical neutron ...
本文在FELIX C－512计算机上用FORTRAN Ⅳ语言编制了在、几何下的二维少群中子扩散程序TFEM－2D（Trianglular Partition； Finite Element Method Two－dimensional Problem）。
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Through the program users to enter key parameters, we can simulate the spread of hydrogen sulfide.
通过该程序用户只需输入关键参数，就可以对硫化氢扩散进行模拟分析。
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The calculated results obtained from this program and CITATION code are accord with each other at the initiatory state.
在初始状态下，该程序的计算结果与中子扩散程序CITATION的计算结果吻合很好。
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The RBS data were fitted with SIMNRA 6.0,and the results show the atomic interdiffusion in Fe/Si systems.
用能量为3MeV的C离子进行了卢瑟福背散射测量，并用SIMNRA6.0程序分析了测量结果，给出了界面附近Fe原子与Si原子间互扩散的完整图像。
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A two dimensional hexagonal geometry multigroup nodal theory code SIXTUS\|2 is used for core diffusion calculation.
软件包中栅元计算采用了WIMS D 4程序，堆芯扩散计算程序采用了二维六角形节块程序SIXTUS 2。
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The method comprises the following steps:(1) the nodes of the sensor adopt the delaminated structure; the program memorizer is divided into the microkernel region and the user program region; the microkernel region is a fixed region; and the user program region is a nonupdatable region;(2) in the sensor network, a function upgrading code image is encapsulated into a data packet and injected to the network by a sink node; under the control of the microkernel region, the data packet is diffused in the whole network in a gradual jumping mode and sent to each node of the network; and (3) the nodes of the sensor utilize the delaminated structure to realize the self-function updating, thereby completing the self-maintenance of the function of the nodes.
其步骤如下(1)传感器节点采用分层结构，程序存储器分为微内核区和用户程序区，微内核区为固定区，用户程序区为不可更新区。(2)传感器网络中sink节点将功能更新代码映像装入数据包并注入网络，在微内核区的控制下，数据包以逐跳的方式在整个网络中扩散，传送至网络中的每个节点。(3)传感器节点利用分层结构来实现自身的功能更新，完成节点的功能自维护。
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Recent years as development of the computer and software, it becomes reality using numeric simulation to research grouting in clay. Using the software of PFC2D, the grouting in clay is lucubrated and such achievements are reached: Grouting technologies in existence grouting material and serosity are studied and rational methods are put forward in choosing grouting technology and serosity.(2) Base on numeric simulation biax test a method is explored to simulate clay with PFC2D.(3) A method is explored to simulate grouting using PFC2D.(4) The relation between serosity pressure and diffuseness of grouting in clay with different initial stress is studied.(5) The stress transformation of clay is studied during grouting.(6) The stress distribution is studied under different serosity pressure.(7) The normal stresss and shear stresss at any section are studied.
近年来随着计算技术的发展，使得采用数值模拟的方式研究均质土体中的注浆成为可能，本文则利用离散元程序PFC2D对均质土体中注浆进行了研究，主要做了以下几方面的工作：(1)研究了现有注浆加固技术、注浆材料以及浆液的性质，阐述了合理选择注浆方式以及浆液的方法；(2)采用数值双轴实验，探索了应用离散元模型模拟土体的方法：(3)探索了采用颗粒流程序进行注浆数值模拟的方法途径；(4)研究了在粘土中注浆不同侧向土压力条件下浆液扩散范围与注浆压力规律；(5)研究了注浆过程中不同阶段土体中压应力的变化；(6)研究了不同注浆压力对土体应力分稚的影响：(7)研究了注浆过程中土体中任一截面处正应力与剪应力的对比关系。
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Project and establishment of new grouting method is significance of challenge.
通过灌浆压力和扩散半径，利用前面的扩散公式计算注浆时间和注浆量，在此基础上建立了新的注浆控制方法的数学模型，同时确立了施工工艺和施工程序。
- 更多网络解释与扩散程序相关的网络解释 [注：此内容来源于网络，仅供参考]
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Convolution：折积
在傅立叶光学中,成像可视为光学镜头的点扩散函数对被成像物体藉由折积(Convolution)的程序完成,而一般光学镜头的点扩散函数若观察其在频率空间的反应,可知光学镜头具备了所谓低通滤波的特性,意即无论多完美之镜头,
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Fourier Optics：傅立葉光學
光学成像除了用几何光学原理来做解释外,更可用傅立叶光学(Fourier Optics)做进一步的探讨. 在傅立叶光学中,成像可视为光学镜头的点扩散函数对被成像物体藉由折积(Convolution)的程序完成,而一般光学镜头的点扩散函数若观察其在频率空间的反应,
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permeation：渗透
渗透蒸发乃结合了渗透(permeation)和蒸发(vaporization)两种不同的程序,藉由溶解-扩散(solution- diffusion)模式,应用在分离共沸物,热敏感混合物,及沸点相近溶液,尤其是针对醇类水溶液及有机之废水溶液之处理更是广泛的被研究应用.
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printability：印刷性
以下确立标准的程序,用于提供免洗锡膏的功能特性的量的比较,包括可印刷性(printability)、扩散与塌落(spread and slump)特性、可焊性(solderability)、以及焊锡珠/球(beading/balling)的性能等的决定方法.