Study of effective diffusion coefficient of Chryseobacterium sp. in saturated soil using membrane cell and fractal dimension model;
应用隔膜池及分形方法测算金黄杆菌在土壤中的有效扩散系数
Fractal model for predicting effective diffusion coefficient of solute in porous media;
多孔介质中溶质有效扩散系数预测的分形模型
Measurement of the effective diffusion coefficient of dissolved oxygen (DO) in a spherical biocarrier was introduced.
采用自制的溶解氧微电极检测沿载体半径方向上的溶解氧分布,结合扩散-反应方程拟合获得载体内部的溶解氧有效扩散系数。
The effects of two kinds of initial tracer distribution - the normal distribution and the rectangular distribution-on the accuracy of effective diffusivity were analyzed.
将管内振荡流中物质扩散系统近似地作为一维非稳态系统,分析了用脉冲注射法确定振荡流中轴向物质扩散系数时,扩散物初始分布的两种形态—正态分布和矩形分布对有效扩散系数测定精度的影响。
The effective diffusivity within the catalyst capsule is calculated to be about 9×10 -8 m 2·s .
建立了能较客观反映流体在催化剂包内流动状况的循环式间歇恒温反应装置 ,测定了不同催化剂包尺寸和不同液体喷淋密度下的乙酸甲酯水解宏观动力学和表观速率常数 ,估算了催化剂包内径向有效扩散系数约为 9× 10 -8m2 ·s-1。
The intrinsic reaction rate constant and the effective diffusivity of cumene were obtained.
在热重分析仪上以异丙苯裂化反应为模型反应 ,采用CCAP(恒碳Arrhenius关系图 )技术探讨了裂化催化剂ASTRA MB1的积炭失活机理 ,得到了反应速率常数和有效扩散系数随积炭量的变化规律。
The Cd diffusion experiments under different Cd saturation pressures were designed to obtain the effective diffusion coefficient DCd and diffusion activation energy QCd of Cd in Cd0.
1Te(CZT)晶体中的有效扩散系数DCd与扩散激活能QCd,利用Cd在CZT晶体中的扩散特性,设计了在不同Cd压下对CZT的退火实验,推导出了晶体电阻率与Cd有效扩散系数之间的函数关系,经过计算,首次获得了在1073K,973K和873K温度时Cd原子在CZT晶体中的有效扩散系数DCd,分别为1。
On the basis of studying gas transfers mechanism into porous medium materials,a calculation formula of gas effective diffusion coefficient of concrete based on pressure gradient is deduced according to the relative theory,and a new rapid testing method for gas penetrability of high performance concrete and old concrete with higher pressure gradient is developed.
在研究气体在多孔介质材料中传输机制的基础上,根据相关理论推导了基于压力梯度的混凝土气体有效扩散系数计算公式,提出了通过合理提高压力梯度测试高性能和长龄期混凝土透气性的试验方法,并应用测得的有效扩散系数和气体在直毛细孔中扩散系数的关系模型得到了混凝土孔曲折度因子计算式。
Effective Diffusion Coefficient of Volatile Benzene in Medium of Fine Sands Different in Water Content
不同含水量细砂介质中挥发苯的有效扩散系数研究
EDDY DIFFUSIVITY AND TURBULENT STRUCTURES IN BUBBLE COLUMNS
鼓泡塔中的有效涡扩散系数及湍流特性
concentration coefficient of diffusion
扩散[的]浓度系数
diffusion coefficient for neutron number density
中子数密度扩散系数
diffusion coefficient for neutron flux density
中子通量密度扩散系数
Study on the measurement of coal particale gas diffusion and diffusion coefficient
煤粒瓦斯扩散及扩散系数测定方法的研究
Determination of Moisture Diffusion in Cement-Based Materials in the Presence of Knudsen Diffusion
考虑Knudsen扩散影响的水泥基材料湿扩散系数
Refraction of reaction-diffusion plane wave for different diffusion coefficients
在不同扩散系数下反应扩散平面波的折射
Permanence and global stability of ecological prey-competition systems with peridic coefficients and dispersion;
具有周期系数的捕食—竞争扩散系统的持久与全局渐近稳定性
Extension Conference of the Non-Proliferation Treaty
延长《不扩散核武器条约》有效期会议
A New Effective Method for Getting Absorption and Scattering Coefficients of Dyestuffs
一种有效获取染料光吸收和散射系数的新方法
ON THE HORIZONTAL DIFFUSION COEFFICIENTS IN TAIHU LAKE AND LAKE BIWA
太湖、琵琶湖中水平扩散系数的探讨
Determination of the diffusion coefficient of NO_2~- in Polymer film;
NO_2~-在聚合物膜中扩散系数的测定
The Measurement of the Point Spread Function in Optical System with CCD;
用CCD测定光学系统的点扩散函数
Mathematical model of technological expansion in the system of technology and economy;
技术经济系统中技术扩散的数学模型
Determination of Diffusion Coefficient for Carbon Dioxide in the Porous Media
CO_2在多孔介质中扩散系数的测定
SUMMARY OF TESTING METHOD FOR CHLORIDE IDIFFUSION COEFFICIENT IN CONCRETE
混凝土氯离子扩散系数测试方法述评
Diffusion Coefficient of Molecules During the Microwave-Assisted Extraction Process
微波辅助萃取过程中的分子扩散系数