Then this paper studied the effect of diffusion coefficient on concentration distribution and the conditions of substitution with numerical dispersion for physical diffusion.
通过将该半解析解与忽略扩散的数值解进行对比分析，讨论了数值弥散代替物理扩散的条件。
Destructive techniques are techniques in which the sample is decomposed by a reagent and then the concentration of the element in the aqueous extract determined by a physical technique.
破坏性技术是将样本溶解于溶剂，然后通过物理方法分析元素浓度的技术。
When you observe your abdomen rise and fall, a physical process, and your concentration becomes deep enough, you begin to realize the rising and falling movements very clearly in their true nature.
当你观察腹部上下，即身体现象，并且当你的定力够深的时候，你就能清楚地看到上升和下降运动的真实本质。
Establishes the physical model and mathematical model of fire smoke diffusion in underground railway. Simulates the temperature field and concentration distribution of fire smoke using CFD method.
建立了地铁火灾中烟气运动的物理模型和数学模型，采用CFD方法模拟了地铁火灾时的温度场和烟气浓度分布。
The conversion mechanisms of a chemical signal (gas concentration) into a physical signal (SAW phase velocity change) in SAW gas sensors and the way to separate them are discussed.
讨论了在SAW气体的传感器中把化学信号(气体浓度)转换成物理信号(SAW相速度变化)的机制以及将它们彼此分离开来的方法。
So far the research on equilibrium concentration can not explain some physical meaning of moving of debris now, and it is not correspondent to all the rule of debris flow moving in equilibrium.
目前泥石流饱和浓度的研究还不能解释泥石流运动的一些物理含义，也不能完全反映泥石流饱和运动的浓度规律。
In this model the effect of meteorological element, output and concentration of air pollutant were considered, so it's physical foundation may be more believable than pure statistics model.
在模型中既考虑了气象条件的作用，又考虑了污染排放量和起报日的污染浓度，与以往的空气污染预报统计模型相比，所依据的物理基础更可信一些。
The microcapsule's physical structure will change with the concentration of the silk fibroin, which may affect its release ability.
丝素微胶囊具有良好的物理结构特征，但不同浓度的壁材具有不同的结构特性，并影响微胶囊的释放特性。
The production efficiency would enhance and the physical property of the compound would improve after adjust the concentration and compounding ratio of bisphenol-AF and BPP.
通过调整双酚af和BPP的用量和配比，能够有效的缩短正硫化时间，提高生产效率，改善胶料的物理性能。
The acid wormhole leak-off volume is concerned with the pumping rate, the acid viscosity, the acid concentration, acid injection time and the formation physical property.
酸蚀蚓孔滤失量与排量、酸液粘度、酸液浓度、注酸时间以及储层物性有密切关系。
Stay centered within your heart and continue to make this part of your physical Being the most important focal point of concentration.
根植在你的内在之心，继续让身体集中在最重要的锻炼与休整上。
Caprock is the prerequisite for the accumulation of natural gas. Sealing of gas concentration is one of the important sealing mechanisms besides physical and pressure sealing.
盖层是天然气聚集的必要条件，盖层封闭作用除物性封闭、压力封闭之外，还有一种重要的封闭机理，即浓度封闭。
Physical properties of hydrate bearing sediments are reviewed and the relationships between physical properties and gas hydrate concentration are discussed.
本文综述含水合物沉积物的岩石物性模型，讨论水合物饱和度与岩石物性的关系。
It must be remembered that concentration is an exhausting mental and physical business for those who are unaccustomed to it. Therefore, to begin with, the strain should not be too prolonged.
我们必须记住，对那些还没有习惯于专心的人们，专心真是一项使人心力交瘁的事情。所以，不要把专心的紧张状态继续太久，应该在适当的时候把注意力松弛一下。
Objective To determine whether a low serum concentration of micronutrients is associated with subsequent decline in physical function among older men and women living in the community.
目的：为了确定血清微量营养素水平低是否与社区老年人体质下降有关。
The philosophy of Thai Boxing is t0 train the Body, mind and heart, show patience and persistence with yourself. Physical conditioning is useless without developing concentration.
泰拳的哲学是锻练人的身体、意志和身心，培养人的耐心和耐力，光有体力没有全神贯注的注意力是不行的。
The philosophy of Thai Boxing is t0 train the Body, mind and heart, show patience and persistence with yourself. Physical conditioning is useless without developing concentration.
泰拳的哲学是锻练人的身体、意志和身心，培养人的耐心和耐力，光有体力没有全神贯注的注意力是不行的。
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