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Second, the concentration distributions of solutes in aquifer have relationship with the chemical reaction, such as ion-exchange and precipitation-dissolution.

解决这些问题的关键是在于揭示地下水污染的物理和化学机理，并通过数学手段再现地下水污染过程。

Such anomalous light distributions can be manifest in the out-of-focus parts of a photograph.

这种不规则的光强分布在一张照片的焦外部分是很明显的。

Their distributions in S. suis serotype 2 strains were studied.

对103株猪链球菌7型菌株的核糖型进行了研究。

Probability distributions of three scalars (concentration of CO2、water vapor and temperature) can be described by exponential distribution.

湍流观测量(温度、水汽和二氧化碳浓度)的概率分布可以用指数分布来描述。

Some species are widespread ruderals with sporadic distributions.

一些种是广泛的杂草具星散的分布。

So in this model the 3D distributions of the parameters of the reaction gases and resultants, that is temperature, velocity, concentration, and fuel cell current, voltage and power density can be simulated successfully.

通过与kW级的熔融碳酸盐燃料电池实验数据的比较，证实了本文的理论分析计算结果与实验结果的一致性。

In this paper a finite element model with the moving heat source and mesh remove technique in software package ABAQUS is used to simulate the process of percussion drilling with ultrashort laser. The temperature profile and residual stress distributions around the laser-formed hole can be calculated by a sequentially coupled thermal-stress analysis.

本文尝试以有限元素分析软体ABAQUS，利用移动热源之观念及网格移除技术来模拟超快雷射的多脉冲钻孔加工过程，以描绘出钻孔周遭的温度分布曲线，并透过顺序偶合法分析其所造成的应力场分布情形。

Through the calculation,the tem-perature distributions of the corcobs being pyrolyzed in the tube at different time wereobtained.

最后对管长50厘米，直径80毫米的热解装置在加热温度为700K时气化强度与停留时间的关系。

In the present work,Cu nanoparticles with an average size of 20-50 nm were dispersed in diesel fuel oil . A injection pump plunger was in-situ repaired on a 12PSDB75 fuel injection pump by applying auto-reconditioning function of Cu nanoparticles. Mophologies and typicle element distributions of the plunger piston surface before and after repair were analyzed by scanning electron microscopy and energy dispersive X-ray spectroscopy.

将平均粒径为20~50nm的铜粉均匀分散到柴油中，在12PSDB75型喷油泵试验台上利用纳米铜微粒的磨损自修复性能，在不拆卸零件的情况下对磨损失效的喷油泵柱塞偶件进行了原位修复，利用扫描电镜、能谱仪等对修复前后柱塞表面进行了形貌与微区成分分析。

With the developing of sea ice researches, more new scientific questions are raised, such as the interaction between sea ice and the other factors of global climate system, the seasonal and regional distributions of Polar sea ice thickness, Polar sea ice boundary and area changing trend, sea ice growth, melt and its influencing factors, the role of the polynya and sea/air interactions.

海冰和全球气候系统其它要素之间的相互作用问题、极地海冰的厚度季节性区域性分布问题、极地海冰边界及范围变化趋势问题、生消关键过程及其影响因素问题、冰间湖的作用以及海气相互作用等将是未来重要的研究方向。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失