渗透

In Chapter 2,a steady permeability identification problem in elliptic equa-tions for two-dimensional orthotropic medium is considered.We construct afunctional,obtain its first and second Gateaux differential,and prove that thefunctional is strictly convex on a convex admissible function set.We seek to iden-tify the permeability by minimization of the above functional.

第二章研究了二维稳态正交异性介质的渗透率反演问题，我们构造了一个泛函，求得该泛函的一、二阶Gateaux微分，证明了它在一个凸的容许集上的严格凸性，并使用极小化泛函即变分方法来求解此问题。

It is adoptive; it is breathtaking; and it is penetrating every aspect of our lives.

纯技术主宰这次展览会的原因是很简单的，因为现在的纯技术是可以被接受的，是令人惊奇的，而且它已经渗透到了我们生活的各个方面。

The flow of chloride ions in the concrete of dry-wet cycling region is the combining of diffusion and advection.

在干湿交替区域混凝土中氯离子的输运属于在孔隙非饱和状态下离子浓度扩散和对流耦合的渗透。

Finally ,by multidisciplinary analysis of the form of microfacies type ,the thickness distribution of sandbody ,the shape of sandbody and permeability variation, the 4th surface corresponds theⅡ、Ⅲinterbed which control the aeolotropy of the reservoir,the remaining oil distribute along the abandoned channel or under the 4th surface ,and the barrier bed which is separated by abandoned channel is favor place to look for remaining oil .

最后，通过对沉积微相类型、砂体厚度分布、砂体形态展布、渗透率变化等综合分析，认为4级界面对应于Ⅱ、Ⅲ类夹层，其对储层非均质性的控制作用明显，剩余油沿废弃河道或4级界面以下分布，被废弃水道所分隔的隔层下覆的单体是寻找剩余油的有利部位。

During the process of long-time adaptive evolution, wetland plants adopted a series of special strategies to acclimate to salt stress. The main strategies are: 1 life history adjustment, e. g., to adjust seed germination time, implement seed dormancy and viviparity, and change reproductive manner to escape from direct salt stress, 2 morphological adjustment, e. g., to adjust biomass allocation pattern, age stem, defoliate, and carnify vegetative organs to isolate the redundant Na(superscript +) to the inactive-metabolism shoots or exclude the Na(superscript +)from tissues; 3 anatomic adjustment, e. g., to sink stoma, develop aerenchyma, and thicken cuticle and phellogen to maintain normal photosynthesis and respiration; 4 physiological and biochemical adjustment, e. g., to exclude and excrete salt, compartmentalize ions, adjust osmosis, do selective absorption, regulate hormones, and induce antioxidative enzymes to maintain the osmotic equilibrium and eliminate the active oxygen in cell; and 5 molecular level adjustment, e. g., to start up many salt-induced genes to regulate the metabolic responses to salt stress.

在长期的适应进化过程中，湿地植物形成了多种适应盐胁迫的策略，主要有：1生活史方面，植物可通过种子萌发时间的调整、种子体眠、胎生、繁殖方式的改变等逃避盐度的直接伤害；2形态学方面，植物可通过生物量分配模式的调整、茎的老化、落叶及营养器官的肉质化等将多余的Na隔离到代谢不活跃的茎中或将其排出体外；3解剖学方面，植物可通过气孔下陷、发达的通气组织、增加细胞木栓层、角质层及栅栏组织的厚度等以维持植物正常的光合作用和呼吸作用；4生理生化方面，植物可通过离子区隔化、拒盐、泌盐、选择性吸收、渗透调节、激素调节及抗氧化物酶的诱导等来维持细胞内正常的渗透压，清除胞内活性氧分子；5分子水平方面，植物可通过多种与盐胁迫相关的基因来调控细胞内的多种代谢反应。

The reservoir traverse quite be stable, but the relative property is quite strong, by the southwest to northeast, the characteristic of the porosity growth is degression tendency. On longitudinal it is the permeability variation in a big way, and the aerosphere scope small.

研究区须家河组储层横向分布比较稳定，可对比性比较强，由西南向东北，孔隙度发育有递减的趋势；纵向上具有渗透率变化大、气层范围小的特点。

Generally, the relative affectionateness level of junior middle school students is relatively low; parents can\'t take on their charges effectively; social distance is relatively far between teacher and students; student like the class but unacceptable; Internet has infiltrated in daily life; the institution and faculty provided by community is not enough; partner is indispensable in junior middle school students\' life and new characters about the intercourse appeared. Each group has different influence on social cognition.

研究发现：当前初中生家庭亲情水平普遍较低；父母不能有效承担自己的角色；师生社会距离较远；学生喜欢班级但不被接纳；网络已经渗透到同常生活；社区提供的活动机构和设施并不丰富；同伴在初中生生活中仍然不可或缺，交往具有新的特征。

Firstly found of Salt mineral largely in clastic is one of the significant discovery , The experimentation study shows that permeability can be improved 20-40 percent if salt mineral is dissolved,therefore, Salt mineral is important in affusion exploitation.

岩盐矿物在本区碎屑岩储集层中大量存在是本次研究的重大发现之一。试验研究表明，溶解后可使渗透率提高20～40%。因此，在油田注水开发中意义重大。

To improve the purple soil storage capacity, to prevent soil erosion in hunan province, the choice of HengYangXian 20o purple soil slope, setting Guan waste land, grassland, natural forest and grassland and agrimony slight composite 4 processing, the water treatment performance and its mechanism, and the results show that, compared to the purple soil LuoDe HuangShanPo ground implement agrimony and three-dimensional planting trees for 1-2 years later, reduce soil bulk density 0.10 g/cm3 0.09 ~, soil porosity, permeability of soil moisture 14.01% increase rate increase 2.20 ~ 2.29 times.

为提高紫色土蓄水能力，防止水土流失，在湖南省衡阳县选择20o 左右的紫色土荒山坡地，设置祼地、自然草地、龙须草地和龙须草与林地复合4 个处理，比较分析各处理贮水性能及其改良机理。结果表明，与裸地相比，在紫色土荒山坡地上实行龙须草与林木立体种植1～2 年后，土壤容重降低0.09～0.10g/cm3，土壤总孔隙度增加14.01%，土壤水分渗透速率提高2.20～2.29 倍。

This textual main research topic is the channel estimation algorithm of Orthogonal Frequency Division Multiplexing.

随着该技术的不断完善，其已经日益渗透到了我们的日常生活中。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。