Especially, a method of Al diffusion coating has been developed in recent years.

Effect of carbon activity in matrix on dynamics of carbide diffusion coating

钢中碳活度对碳化物覆层扩散处理动力学的影响

The Mathematical Description of Mass Diffusion Coefficient at Interference Fringes Maximum Point

斑纹切位变干涉测定基于干涉条纹极值点质扩散系数的数学描述

Characteristics of Freeze drying under the Mass Diffusion Control

质量传递控制下的冻干特性研究

The model with plant cell as a basic unit considered the mass diffusion and bulk flow of each constituent with the tissue during the osmotic dehydration.

模型以植物细胞为传输过程的基本单元，考虑了各组分在细胞内、细胞外、通过细胞膜及胞间连丝的质量扩散，和由于体积收缩而导致的集流传输。

Mass diffusion lattice-Boltzmann model and simulations

质量扩散格子Boltzmann模型及数值模拟

The main natures of the diffusion are universality, inevitability, non-linear and other properties. The main diffusion approaches are string diffusion, radiation diffusion, polymer diffusion, reverse diffusion feature and so on. 3.

气象灾害风险扩散的主要方式有串型、辐射型、聚合型、逆向型等几种，具有普遍性、必然性、非线性等特征。3、研究揭示了气象灾害风险的扩散机制。

The steady-state and time-domain analytical solutions of the diffusion equation for near-IR radiation through a four-layered highly scattering matched medium have been obtained. The matched boundary condition and the extrapolated one have been considered.

根据匹配边界条件和外推边界条件，得到了近红外线通过四层高散射匹配介质的稳态和时域漫射方程的解。

Coupling transport-diffusion method of calculating radiation transfer in a cavity

空腔辐射传输的扩散－输运耦合计算

Study on Atmospheric Diffusion Parameter of Radiation Fog in Anning City, Yunnan Province

云南安宁市辐射雾大气扩散参数研究

P 2 diffusion theory of radiation transfer problems

辐射传输问题的P2扩散近似

The methods and modules which have good application experiences are adapted for source term estimation, the computation of atmospheric diffusion and radiation dose, analysis of emergency measures. The system interface is user friendly.

源项估计、大气扩散与辐射剂量计算以及应急防护措施分析采用国内外具有良好应用经验和反映当前应急干预原则要求的方法和模块，系统界面的设计强调评价流程的逻辑结构和用户友好性。

Their absorption was first-order process besides the passive diffusion mechanism, and facilitated diffusion and active transport may also take part in the transport process.

栀子苷在大鼠小肠的吸收速率随浓度的增加而减小，提示药物的吸收机制除了被动扩散外，可能有主动转运和易化扩散因素；

With the decrease of sanchinoside R_ ( 1) and ginsenoside Rg_1 concentration, the absorption rate is increased, their absorption was is first-order process, besides the passive diffusion mechanism, facilitated diffusion and active transport may also take part in the transport process.

其吸收速率随着浓度的增加而逐渐减小，药物在小肠中的吸收不呈现一级动力学过程，吸收机制除了被动扩散以外，可能还有易化扩散和主动转运；

Reliability Analysis of Estimating Annual Atmospheric Diffusion Factor Using Meteorological Correlation Method

应用气象相关分析方法估算年均大气弥散因子的可靠性分析

Numerical Simulation for Atmospheric Diffusion Wind and Concentration Field in Mountain Area

山区大气扩散风场及浓度场的数值模拟

The Application of Atmospheric Diffusion Model in the Emergency Meteorological Service

大气扩散模型在气象应急保障中的应用

Programming of calculation system of a atmospheric diffusion model

大气扩散模式计算系统程序编制

Both the outlet diffuser and the grid were applied in engineering.

这两项技术已在工程中成功地推广应用。

Under the environment of Visual C++ 6.0, the parametric 3-D modeling software PCAD-3D is developed, which includes column blade, curved blade, double channel impeller, volute and radial vaned diffuser, etc.

在Visual c++6.0编程环境下，开发了扭曲叶片、圆柱叶片、双流道叶轮、蜗壳和径向导叶等的参数化三维造型软件PCAD-3D。

It is not only used to design centrifugal pump impeller and diffuser, but also used to design non_clogging pump impeller and diffuser, radial diffuser, space diffuser, etc.

它除了可进行清水泵的叶轮、蜗壳水力设计外，还可设计无堵塞泵的叶轮、蜗壳以及径向导叶、空间导叶等水力件的水力设计。