查询词典 diffusion cosettes

The coefficients and diffusion procedure in Helmholtz equation are determined by the diffusion and dissipation property of vorticity.

理论和实验证明了曲率驱动的亥姆霍兹涡量方程模型在图像修复中的有效性。

A gas diffusion electrode is one of the most important components of a zinc-air battery.

气体扩散电极是锌空气电池的重要组件之一。

A modified etching model is proposed, in which the diffusion coefficient is a function of the temperature and concentration and the etching rate constant is a function of temperature.

在前人腐蚀模型基础上考虑扩散系数是浓度和温度的函数，腐蚀速率常数是温度的函数，得到了修正模型。

based on the analysis of regressing the experimental dada show: diffusion coefficient decreases as the increasing of absolute pressure in linear; increases in a way of logarithm with the varying rate of pressure.

对试验数据回归分析表明：木材水分扩散系数随绝对压力的增加呈线性减小；随压力变化速率的增加呈对数曲线增大。

The differential eguations and boundary conditions are established, based on these hypotheses. The theoretical formulary about sample atom number with different diffusion coefficient are reasoned out; the relationship between the isotope abundance ratio and the sample wastage of melting and solid samples and the samples simultaneously at evaporation and decomposition are discussed in theory.

根据这三条假设建立了样品原子数的微分方程及边界条件，推导出了不同扩散系数的样品原子数的理论公式，从理论上讨论了熔融态、固态样品以及蒸发分解同时发生的样品同位素丰度比与样品消耗量间的关系。

Diffusion through carbon steel is too high to be practical, but may be acceptably low for metals such as aluminium, or even stainless steel.

通过扩散碳钢太高是切实可行的，但可能是可接受的低金属，如铝，甚至不锈钢。

In contrast, the concentration of deep defects is very low in annealed undoped InP and the doping of Fe acceptor by diffusion acts as the only compensation centre to pin the Fermi level, resulting in excellent electrical performance.

相比之下，非掺退火半绝缘InP材料中深能级缺陷浓度很低，通过扩散掺入的铁受主作为唯一的补偿中心钉扎费米能级，因而表现出优异的电学性质。

By the relation of current and temperature, the diffusion activation energy of depolarizer was determined.

由电流与温度的关系测定了去极剂的扩散活化能和D〓。

The activation energy of chemical reacton and diffusion is obtained by fitting the experimental data.

通过对实验结果的拟和，得到了化学反应活化能和产物层扩散活化能。

The diffusion activation energy of carbon reducesremarkably with the increase of N_2 content.

碳的扩散激活能随氮含量的增加而显著降低。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。