查询词典 evolution

In section 3,we summary our paper.And this paper introduces the optimal control problem for the assets evolution equation with diffusion term.

第三节，给出本文的总结，并介绍了带有扩散项的资产发展方程的最优控制问题。

This makes the study of the area more difficulty.The sand reservoir clastic fragment, the characteristics of infillings, digenesis and the structure and evolution of pores have been studied by means of many techniques including of microscope, EMS, high pressure mercury intrusion and thin section.

应用显微镜下观察、电镜扫描、高压压汞及铸体等分析技术，对砂岩储层的碎屑组分、填隙物特征、成岩作用以及孔隙结构与孔隙演化进行了研究，尝试运用数理统计方法研究了储层非均质性，分析评价了储层物性特别是渗透率的非均质性。

The dight protected areas that make up the site combine in a forest archipelago context to reveal a pattern of evolution of great interest to science and importance for conservation.

dight的保护区进行了实地联合收割机森林列岛方面揭示格局演化极大的兴趣和科学的重要性，为保护区。

The nominated areas contain the best and largest remainning examples of atlantic forest in the region of brazil,the dight protected areas that make up the site combined in a forest archipelago context to reveal a pattern of evolution of great interest to science and importance for conservation.

提名区域拥有巴西地区现存最佳及最大的大西洋森林物种，拥有森林岛屿一体化的受保护区域，从而展示科学上倍受瞩目的进化模式及重要规则--优胜劣汰。

With the analysis of Quaternary geological environmental evolution, the riverbed overburden is classified as alluvium, river fluvial aggradation, glaciation aggradation, periglacial solifluctional aggradation, gravity aggradation, lacustrine aggradation and diluvium aggradation.

通过第四纪地质环境演化的分析，把覆盖层的成因类型划分为水成系列、冰川系列、冰缘系列、重力系列和共生系列五大类，其中又按搬运动力的不同特点分为冲积为主的类型、河流加积类型、冰川加积类型、冰缘冻融泥流加积类型、重力堆积加积类型、洪积加积类型、湖积加积类型等七种亚类。

In chapter 3, homogeneous balance method is used to deal with some problems of finding solutions of higher dimensional nonlinear evolution equation . By improving some key procedure of the method, the original equation is reduced to a linear equation , hence a great number of exact solutions for this are obtained.

第三章利用齐次平衡法研究了一些高维非线性演化方程和方程组的求解问题，通过对该方法的某些关键步骤的处理，将原方程转化为一线性的微分方程，从而获得了这些方程大量的多种精确解。

To study the different permeability characteristics of rock, transient permeability tests of limestone and diorite were carried out. The permeability evolution and the relation between pore pressure and time of rock specimens during the complete stress-strain course were investigated. The strain-permeability equations of rock specimens during the deformation and failure course were set up. Finally, the penetration mechanism of two types of rocks was analyzed.

为研究岩石不同渗透特性，对石灰岩和闪长岩进行了瞬态渗透实验，研究了岩样全应力－应变过程中的渗透率演化规律以及孔隙压差与时间的关系，并建立了岩样变形破坏过程的应变－渗透率方程，最后分析了这两种不同类型岩石渗透机理。

The structure and evolution of the south tectonic melange are relative simple, and its basement, Middle Proterozoic metamorphosed diorite, is relative younger.

南部构造混杂岩带结构和演化相对较简单，其基底岩系相对年青，为中元古界角闪岩相变质的苦海杂岩。

The results indicated that both WUE and NUE increased during the evolution process from diploid to hexaploid.

结果表明，小麦在从二倍体→六倍体的长期进化过程中，WUE和NUE均表现出增加的趋势。

Soybean evolution from the ancient tetraploid flowers pollinate crops since the diplont, low level of genetic variation within species, genome larger and contains extensive areas of reproduction and rich repeat sequences, chromosome and small cells to carry out genetic research, which makes soybean genetic map study clearly behind other cr...

大豆是由古四倍体演变而来的二倍体自花授粉作物，种内遗传变异程度低，基因组较大并含有广泛的复制区和丰富的重复序列，染色体又很小，难于进行细胞遗传学研究，这使得大豆遗传作图研究明显落后于其它作物。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。