扩散

The unsteady state term was discretized using the full implicitly schemes. For the diffusion terms, the normal direction vector ( the first diffusion) and the tangent direction vector ( the second diffusion) were calculated by using the intersectant and iterative algorithm.

对于非稳态项采用全隐格式，对于扩散项，采用法向扩散项（一次扩散项）和切向扩散（二次扩散项）进行相互交叉迭代的算法。

The reproduction and growth of the cancerous cells can be suppressed by bombarding them with radiation.

可以通过放疗杀死癌细胞来抑制其再生和扩散。

There are data on the rates of diffusion of molecules.

有关于分子扩散速度的数据。

This paper deals with diffusible hydrogen content ( H Do) of electrode deposited metal and the relationship between H D and diffusible time ( H D escape characteristic).

采用酒精法测量扩散氢，研究了焊条熔敷金属扩散氢含量以及在测氢过程中扩散氢逸出量与逸出时间的关系（逸出特性）。

They found invasive cancer during a routine examination.

他们在常规体检中发现了扩散性的癌变。

Covered the porous membrane in the evaporation pipe, the diffusion processes divided into two parts, one for free diffusion into the free gas. the other for a period of diffusion into porous membrane.

即在蒸发管管口粘覆被测多孔介质，将扩散质组分通过扩散组分的扩散分为两段，一段为通过静止气体的自由扩散，另一段为通过多孔介质的扩散。

While the diffusion effect is the process of pursuing scope economy when sports economy evolves to such an extent as to form periphery, saltatory and grading diffusion.

扩散效应是体育经济发展到一定程度，所形成的周边式扩散、跳跃式扩散、等级式扩散以追求范围经济的过程。

To study the operation system of techical diffusion and absorbance, the authors borrow the concept of "field" to bring up the idea of "technical diffusion field" so as to give a theory and method for the research of technical diffusion.

为研究技术扩散和吸收的运行机制，借用场的概念，提出技术扩散场的技术扩散思想，试图为研究技术扩散提供一种理论和方法。

She had localized breast cancer and both of her doctors had advised surgery.

她的乳癌尚未扩散，两位主刀医生均建议她动手术。

The oil washed ashore on roughly 1,000 miles of coastline.

石油沿着海岸线扩散到了大约1,000英里范围的沿岸海域。

A drop of milk diffused in the water.

一滴牛奶在水中扩散开来.

Quadratic residue sequence diffuser ( QRD) is a very widely used sound diffusion structure, as for its simple structure, convenient proliferation and excellent diffusion performance.

二次剩余序列扩散板是一种应用非常广泛的声扩散结构，其结构简单、制造方便并且扩散性能优良。

A cloud of volcanic ash is spreading across wide areas of the Philippines.

火山灰云层正在菲律宾大范围扩散。

The main factors influencing technical diffusion are abstracted to establish the 3D coordinate of technical diffusion field, which sets the diffusion space for technical diffusion.

将影响技术扩散的主要因素加以抽象，建立了技术扩散场的三维空间坐标，为技术扩散设定了扩散的空间。

A kinetic Monte Carlo model describing the three-dimensional thin film growth on heterogeneous substrates is presented, in which the diffusion of adatoms on substrates, along the island edges and between various layers, as well as the heterogeneity of adsorptive energy, are taken into account.

考虑原子在基底表面的扩散、沿岛周界的扩散和不同层间的扩散以及非均匀基底上表面吸附能分布的各向异性，建立起非均匀基底表面上原子扩散和三维薄膜生长的动力学蒙特卡罗模型。

A gas in solution diffuses from region of greater to one of less concentration.

溶液中的气体由浓度较高的区域向浓度较低的区域扩散.

The three models of virulent gas leak and diffusion are established, respectively is: continual stable state leak and diffusion model, limited period stable state leak and diffusion model, transient state leak and diffusion model.

建立开发了三种有毒有害气体泄漏与扩散模型，分别为：连续稳态泄漏与扩散模型、有限期间稳态泄漏与扩散模型、瞬态泄漏与扩散过程模型。

attempts to prevent cancer cell proliferation

防止癌细胞扩散的努力

In Northern California, a wildfire has spread a haze of smoke over 200 miles.

在加利福尼亚州北部，一场野火产生的烟雾已扩散了200多英里。

It is deduced that the main sintering mechanisms shill be volume diffusion and grain boundary diffusion for pure boron carbide and grain boundary diffusion for carbon_doped boron carbide showing activated sintering.

纯B4C的烧结致密化机制为体扩散和晶界扩散，而掺碳B4C的烧结机制主要为晶界扩散，因此，掺碳对B4C起到了活化烧结的作用。

The diffusion coefficients of atoms which strongly dependent on their local concentration are given in the nonlinear kinetic discrete model for diffusion in nonuniform system, and the diffusion asymmetry coefficient m' and the ordering energy V are introduced to describe the diffusion in nonuniform system.

根据非均匀体系的非线性动力学离散模型推导出与局部原子浓度强相关的原子扩散系数，引入扩散非对称性系数m′和有序能V参数描述非均匀体系的扩散。

He campaigned for peace and against the spread of nuclear weapons.

他为裁军运动和反对核武器扩散而奔走。

The oil appeared to be dispersing.

油好像在扩散。

He had been crippled by a rare type of paralysis spreading from his ankle.

一种罕见的麻痹症从他的踝部扩散开来,最终道致他的残废.

The state model of technical diffusion in technical diffusion field is established, which describes the diffusion state procedure when the diffusion field is static.

建立了技术扩散场的技术扩散状态模型，该模型描述了技术扩散场处于静态场状态时技术扩散的扩散状态过程。

A crude oil slick quickly spreads out over water.

原油泄露后的浮油很快在水面上扩散开来。

According to the atmosphere proliferation characteristics of the small breeze and the quiet breeze condition, the atmosphere proliferation parameter is related with the atmosphere stability and the proliferation time, an expression type of take each proliferation parameter is given;

根据小静风条件下大气扩散特点，小静风条件下大气扩散参数是与大气稳定度和扩散时间相关的，给出了求取各扩散参数的表达式；

The disruption has now spread and is affecting a large part of central Liberia.

混乱局面已经扩散，正在影响利比里亚中部的大片地区。

In this paper, we develop a non local method with temporal and spatial correlations to introduce a fractional order advection diffusion equation based on the usually used local 2_nd order advection dispersion equation.

考虑了扩散过程的时间相关和时空相关性，用非局域性的处理方法，在传统的二阶对流扩散方程基础上，得到了分数阶对流扩散方程，以此方程来描述反常扩散。

The technical diffusion has two types of methods: one is the direct adoption, and another is the indirect adoption. The case study of SBZ technical diffusion shows a general law and a method to be chosen in the diffusion for a new technology.

技术扩散可以采用两种方式：直接采用的方式与间接采用的方式.本文通过对SBZ（注）技术扩散的实证分析，揭示了在新技术扩散中的一般规律和选择扩散方式的方法。