成层的

Based on integral transformation, analytical solution for the wave transmission equations in 1-D inhomogeneous media is derived. By dividing the media into layers and considering the continuous conditions between the interfaces, the transfer matrix of amplitude of waves is obtained.

利用积分变换，用解析方法求解了一维非均匀区域的不同性质对弹性波传播时波幅变化的影响；将非均匀区域离散成均匀的薄层，结合相邻层的连续条件，建立了数值解法的波幅传递矩阵。

Dolomitization is the important forming mechanism of buried hill reservoir.

白云石化作用是潜山内幕储层的重要形成机理，冶里一亮甲山组储集层与埋藏成岩过程的白云石化作用，尤其是与粒屑的优先白云石化造成的体积收缩作用有关。

And at the same time, through discussing the mechanism of earth wave absorbing tomography, it is known the CT of seismic absorption imaging method is better than the wave velocity imaging method in the identify ability of faultage crushed zone whose body structural plane is flabbiness and the dimensions is small.

阐述了地震波在粘弹性介质传播过程中具有的衰减特性，探讨了地震波吸收层析成像的机理，得知地震吸收CT成像方法，对岩体软弱结构面、裂隙和规模较小的断层破碎带的识别能力，要强于波速成像方法。

The results show that the sandstone reservoirs with high porosity and permeability are mainly composed of coarse-grained lithic quartz sandstone and quartz sandstone with relatively well-preserved primary intergranular pores, relatively large median radius and average pore throat radius, and relatively low displacement pressure.

结果表明：组成高孔、渗储层的砂岩类型主要是粗粒的岩屑石英砂岩和石英砂岩，其较多地保存了原生粒间孔，具有较高的中值半径和平均喉道半径以及较低的排驱压力；高能环境下有利的沉积微相和成岩早期包壳状胶结物对原生粒间孔隙的保护作用是形成高孔、渗储层的基础条件。

It needs only 20-30 minutes; the active components can be transformed into high concentration active substances, nonstop to the deep skin, the active components infiltrate to Subcutaneous tissue through the channels among hair follicles, sweat glands and cells, reach the mesoblast .then it open the entrance easily by stimulating the water channels protein on the cell membrane, infiltrate the cell membrane, make the skin cells to absorb nutrients plenary.

需20-30分钟即可将经诱导带电的活性成分快速转换成高浓度的活性物质，直达深层皮肤；利用"水电渗透析"技术，使活性成分通过毛囊、汗腺和经过符合穿孔的表皮细胞间通道透过表皮进入中胚层乃至皮下组织，通过实现细胞蛋白水通道并刺激细胞膜上的"水通道蛋白"，轻易打开表皮入口，渗透细胞膜脂质双分子层，使皮肤细胞充分吸收营养成分。

We divide the evolution of becoming rocks into four periods: early region's metamorphic process and mixed lithifaction,sedimentation and becoming rocks process in middle and late Proterozonic Era and in the Paleozonic Era,trasformation process of burial hill layers in earth shell'uplift period in the Mesozonic Era, and transformation process to burial hill in the Cenozonic Era.

将储层的成岩演化划分为四个阶段：即早期区域变质作用和混合岩化作用、中晚元古代和古生代沉积成岩作用、中生代地壳抬升阶段潜山地层的改造作用和新生代断裂对潜山的改造作用。

Based on the time-space structure of source rock, reservoir rock and cap rock in petroleum system of Neopaleozoic in south of North China Basin, play and pool-forming unit of Neopaleozoic was divided. The matching relation between trap formation period and peak period of source rock hydrocarbon generation and expulsion was analyzed, which pointed out the future direction of hydrocarbon targets exploration in this area.

根据华北盆地南部上古生界含油气系统中烃源岩、储集岩和盖层的时空结构，进行了上古生界成藏组合和基本成藏单元的划分研究；通过对圈闭形成期与烃源岩生排烃高峰期匹配关系的分析研究，指明了今后该区油气勘探目标的选择方向。

In the initial deposition〓Cu coalesces in large clusters,then the Cu overlayer grows in layer-by-layer mode at highercoverage,verifying that it exists the distribution of the island-like terraces in nano-size at Cuinteralyer during the development of Fe(100)/Cu/Fe sandwich,proposed by Heinrich et al.

随着覆盖度增大，cluster凝聚成连续的覆盖层，并以layer-by-layer模式生长，这证实Heinrich关于Fe(100)/Cu/Fe三明治结构中，Cu中间层存在纳米量级Cu岛状平台的推测，Cu的这种生长形貌影响着三明治结构的磁耦合特征。

In this paper, back projection algorithm used in ultrawideband impulse signal SAR is analysed, sidelobe resolution and distribution inhered in BP algorithm is obtained.

引 言可以穿透树簇、地表并能成像的机载雷达一直是民用、军用急需的技术。这一技术的实现包含有两层意思：①树簇及地表穿透；②成像。

In general, it is similar in pore assemblage type, the stage division and the type of diagenesis, but there are great differences existed in rock types, clastic granularity, the type of infillings, and the influence of reservoir, because the reservoir located in different deposition belts and the different degree of diagenesis.

总体上，它们具有相似的孔隙组合类型、成岩作用阶段及类型划分；但因其所处的沉积相带和成岩作用强度不同，在岩石类型、碎屑粒度、填隙物类型及其对储层的影响作用方面有着很大的区别。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。