查询词典 diffusion knife

There exist negative correlations between the ionic porosity, which is a measure of atomic packing density in minerals, and Ar and H diffusion activation energies. Thus ionic porosity can be used to predict element diffusion coefficients.

孔隙度作为矿物内部离子堆积密度的一种量度，它与Ar和H的扩散活化能之间存在负的线性相关性，因而可以用于预测元素在矿物中的扩散系数。

The results showed that laminar diffusion flame heights of NG, CO and H2 were proportional to the fuel fluxes; the exit diameter of Bunsen burner had made little effect on the laminar diffusion flame height.

针对多联产系统中弛放气和粗煤气的基本可燃成分，对单组分天然气、一氧化碳及氢气（H2），以及不同比例配制的双组分和多组分气体的扩散火焰高度，预混火焰高度，火焰传播速度，脱火边界，黄焰边界等燃烧特性进行了试验研究。

Chapter 2Finally, molecular dynamics simulations were performed to investigate the effect of catenation on methane diffusion as well as diffusion mechanism in those materials.

第二章我们进一步研究了互穿结构对甲烷扩散的影响以及气体在该类材料中的扩散机理，发现互穿结构导致室温下甲烷的扩散系数被降低了3～5倍，远大于对氢气扩散系数的影响。

Objective: To evaluate the value of apparent diffusion coefficients in Magnetic Resonance diffusion weighted imaging with echo-planar technique in depicting the tumor cellularity and grading of astrocytomas.

目的：运用磁共振弥散加权成像技术评估近似弥散系数在星形细胞瘤的细胞密度和病理分级中的作用。

Methods Diffusion anisotropy was classified with a method based on apparent diffusion coefficient and spherical harmonic function.

提出了一种基于表观扩散系数和球谐函数的多纤维扩散各向异性分析方法对扩散各向异性进行分类。

Objective To investigate the characteristics of fractional anisotropy and apparent diffusion coefficient of association fiber tracts in patients with amnestic mild cognitive impairment, and to assess the application value of diffusion tensor imaging in differential diagnosis of aMCI and AD.

目的 通过磁共振扩散张量成像探讨遗忘型轻度认知障碍患者联合纤维束FA值和ADC值的变化特点，评价DTI对aMCI的诊断及aMCI与AD鉴别诊断的应用价值。

Objective To investigate the diagnostic value of apparent diffusion coefficient value of diffusion weighted imaging in liver cirrhosis.

目的初步探讨磁共振弥散加权成像ADC值对肝硬化的诊断价值。

Objective To investigate the effect of apparent diffusion coefficient value in diffusion-weighted imaging in full-term neonates with hypoxic-ischemic encephalopathy.

目的 探讨磁共振扩散加权成像的表观弥散系数值在新生儿缺氧缺血性脑病中的应用价值。

Because of the smaller diffusion coefficient, the diffusion of Li〓 in solid phase is usually the rate determining step.

由于扩散系数较小，因此Li〓在固相中的扩散一般为反应的速控步骤。

Gas diffusion layer is one of the most important components in proton exchange membrane fuel cell. The contact resistance between current collector and gas diffusion layer is an important part of the total resistance of fuel cell and is also a key factor led to the power loss of PEMFC.

气体扩散层是质子交换膜燃料电池的重要组件，其与极板之间的接触电阻是燃料电池内阻的重要组成部分，也是导致燃料电池功率损失的重要因素。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。