成层

Thus, the form and space distribution of caprock become important sealing factors to affect migration pathway s.

因此盖层的形状及空间分布就成了影响运移路径重要的封盖因素。

The intraplatform point beach experienced good dolomitization and has good reservoir properties, with little development and thin thickness. Beach facies is only the basic condition for reservoir development.

由此可见，滩相沉积体仅是储层发育的基本条件，滩体最终能否形成有效的储集体，还要取决于后期成岩作用的改造。

Using the spectrum decomposition technique by discrete Fourier transform in short window a-chieves the object using imaging feature of tuning amplitude in frequency domain to study the regularity of lateral variation in reservoir and fully dig up seismic resolution capability in dominant-high frequencies of seismic data.

采用短时窗离散傅里叶变换的频谱分解技术，实现了在频率域内通过调谐振幅的成像特征来研究储层横向变化规律的目标，最大限度地挖掘了地震资料主频至高频端的地震分辨能力。

It is three 汉语翻译英语转换器 types of doped semiconductor combination.

它是有三层不同二级翻译资格证的参杂半导体组合而成的。

Objective To investigate the suitable injection rate and dose in multi-slice CT perfusion imaging.

目的探讨多层螺旋CT脑灌注成像合适的注射速率及剂量。

The present invention discloses one kind of double micro polarizing free stereo imaging device and method. The device includes image plane, slit grating and double micro polaroid. The double micro polaroid sandwiches the slit grating, and the micro polaroid in the image plane side is between the image plane and the slit grating. The double micro polaroid consists of two adjacent lines of micro polarizing units, which are orthogonally arranged.

本发明公开了一种双微偏振式自由立体成像的装置及其方法，该装置包括图像面、狭缝光栅以及双微偏振片，其中双微偏振片是指上下两层微偏振片将狭缝光栅夹在中间，其中处于图像面一侧的微偏振片处于图像面与狭缝光栅之间；所述的微偏振片由相邻两列微偏振单元的透光轴方向相互垂直的微偏振单元周期性分布构成，即所谓"正交排列"；所述的狭缝光栅由等宽度的遮光条纹平行排列组成。

Seismic tomography is used to study the 3-D seismic velocity structure andattenuation structure of earth by the seismic wave information obtained from a largenumber of passive earthquakes and artificial earthquakes.

地震层析成像是一项通过综合大量天然震源或人工源激发的地震波信息来研究三维地震速度图象或地球衰减结构图象的技术。

BACKGROUND: The basic fibroblast growth factor has the obvious promotion function of multiplication of the mesoderm and nerve ectoderm cells, and has the indirect ossification to the bone marrow-derived mesenchymal stem cells.

背景：碱性成纤维细胞生长因子对来源于中胚层和神经外胚层的细胞具有明显的促进增殖作用，对骨髓间充质干细胞具有间接的成骨作用。

Original image on the image by ultraviolet irradiation in corrosion-resistant membrane (on the printing plate cylinder electrodeposit to the membrane corrosion) or carbon paper, the membrane to the drum, in lukewarm water, carried out by chemical etching with ferric chloride, resulting in the depth of the screen.

原版上的图像经紫外线照射成像于耐蚀膜（对印版滚筒镀层进行腐蚀所用的膜）或碳素纸上，再将此膜包裹于滚筒上，在温水中显影，通过氯化铁进行化学腐蚀，形成深浅不一的网孔。

The results show that the mean particle size of α-Fe2O3 monolayer is about 58 nm. There are characteristic bands at 568, 482 and 386 cm~(-1) in IR spectrum. The absorption of 375 nm in UV-Vis spectrum is the electron transition of ferric and oxygen atom.

结果表明，α-Fe2O3单层膜是由粒径约为58 nm的粒子排布而成，在568、482和386 cm-1处有特征红外吸收峰，在紫外区375 nm处存在明显的吸收，为Fe-O间的电子跃迁，其吸光度值与膜层数间的较好线性关系说明在一定的速度下挂膜，可以将氧化铁溶胶中的纳米粒子较好地转移到基片上。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。