扩散

With the increase of pressure, the hydrogen bond strength between water molecules increases, while self-diffusion coefficient decreases. With the increase of temperature, the hydrogen bond strength between water molecules decreases, while self-diffusion coefficient increases.

模拟结果表明，随着压强的增大，水分子间的氢键作用增强，扩散系数减小；随着温度的升高，水分子间的氢键作用减弱，有序程度下降，扩散系数增大。

In the Chapter 2 of this dissertation, new pulse sequences were introduced, in which CPMG and bipolar gradient pulses have been implemented into pulsed-filed-gradients spin-echo NMR spectroscopy, and is used to measure the self-diffusion coefficient of metabolites in bio-fluids.

实验结果表明，这种新方法不仅可以在生物体温或更高温度下准确测量分子的自扩散系数，不受对流和背景梯度的干扰，同时还具有复杂核磁共振谱的编辑功能，能够在不做任何物理分离的条件下，分别研究生物大分子和小分子的扩散系数，以及分子之间的相互作用。

The exact expressions of minimal martingale measure and the minimal entropy martingale measure for jump diffusion semimartingale are gained,with the specific changes of intensity and density function processes in these measures.

在跳扩散半鞅模型中，引进了跳的强度过程与跳的概率密度函数过程，研究了测度变换对跳的强度与密度函数过程引起的变化、研究了跳扩散半鞅的最小鞅测度与最小熵鞅测度。

And the separation emanated out from the center into this creation, into this dimension of consciousness.

然后分离从中心扩散到了这个创造里，扩散到这个意识界的各度空间里。

But operation operation often can increase sex of source of malign cell cure to diffuse odds and the result that affects operation cure. 1954 the Cole idea that put forward to manipulate a technology without tumour [2] , it is the to decrease or prevent cancer cell desquamation in showing the operation in malignant tumor is operated, cultivate and sow what come loose and adopt a series of measure, its purpose is to prevent path of blood of cancer cell edge, lymphatic path to diffuse, 2 it is to prevent cancer cell to cultivate.

但手术操作往往会增加恶性细胞医源性扩散几率而影响手术治疗的效果。1954年Cole等提出了无瘤操作技术的概念[2]，它是指在恶性肿瘤的手术操作中为减少或防止癌细胞的脱落、种植和播散而采取的一系列办法，其目的一是防止癌细胞沿血道、淋巴道扩散，二是防止癌细胞种植。

The results show that the silicide coating is formed by reactive diffusion and the silicification process obeys parabolic relation. The coating is composed of composite structures including MoSi2 outer layer, two-phase transient zone with major NbSi2 and minor Nb5Si3, and Nb5Si3 diffusion inner layer. The coating possesses good high-temperature oxidation resistance and spalling resistance.

研究结果表明：包渗法制备硅化物涂层是通过反应扩散形成的，硅化过程服从抛物线规律；该涂层为复合结构：MoSi2相为主体层；以NbSi2相为主、并含少量Nb5Si3相的两相为过渡区；Nb5Si3相为扩散层。

For example, it is stall need to study the thermal equation-of-state, to find a proper methodology for calculating self-diffusivity, to propose a better potential model for mullite and sillimanite, to calculate mechanical properties at high temperature, and to analyze the structural transformation at high temperature.

本研究所建立的研究方法与流程适合应用在陶瓷材料的模拟与分析，而我们已经探讨了莫来石的缺陷对晶体结构、晶格常数、热膨胀、体模数、缺陷能、氧扩散的影响，接下来可以朝向以下几点深入研究，包含研究热状态方程式、找出最适当的方法来计算扩散系数、提出更好的分子势能模型、研究莫来石在高温下的相变化与力学性质。

Such a conclusion can be shown that;(1). Having high relativity between the numerical modeling results and experimental curves ensures the simultaneousness of modeling internal moisture distribution and the unsteady drying process.(2). High non-homogeneity and unsteadiness in the seed drying process.

通过边界条件的处理把反映物料干燥过程动态特性的实验含水率曲线与物料颗粒内部水分扩散有机地结合起来；提出了一种较准确地确定物料颗粒在非稳态脱水过程中内部水分扩散系数和分析内部水分分布及其动态特性的方法。

The results indicate that the welding temperature is the most important factor for diffusion welding of composite. When the welding temperature range is between solidus and liquidus, the peak joint strength can reach 170 MPa.

指出焊接温度是复合材料扩散焊接最重要的工艺参数，焊接温度介于基体合金固相线与液相线之间，接头强度最高值可达到170 MPa；接合界面的氧化膜阻碍基体原子的扩散，是复合材料接头强度下降的原因之一。

Objective To improve the flexibility and stability of the filter in speckle reduction of ultrasound images.

目的 提出一种各向异性扩散滤波器的扩散参数选取方法，提高滤波器的灵活性和稳定性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。