查询词典 heterogeneous

Ray-Kirchhoff propagators are kinematically acceptable in the range of seismic frequencies for heterogeneous media, but theoretically suffer congenital deficiencies.

Ray-Kirchhoff传播算子较为精确地描述了波在非均匀介质中传播的运动学特征，其理论上的先天不足依赖于介质的复杂性。

It has the following characteristics: 2D drawings can be maintained with a high degree of consistency of 3D model; CAD /CAPP /CAM are integrated by the generation of comp lete manufacturing information and the integrated digital p roduction line of shell, outfitting and painting is imp lemented basically; the generation of comp lete manufacturing and management information of shell, outfitting and painting lays the foundation for the integration of design, manufacturing and management; the entity and parametrized technology is used to ensure the establishment of ship p roductmodelwith comp lete topology relations; and the data interfaces for the heterogeneous CAD data and information integration ensure the collaborative design for the factories and the institutes.

SPD系统具有如下特点：能保持三维模型与二维图纸的高度一致；通过生成完整的加工制造信息实现CAD/CAPP/CAM集成，基本打通&壳、舾、涂一体化&的数字化生产线；通过生成壳、舾、涂完整的制造和管理信息，为实现船舶&设计、制造、管理一体化&奠定基础；通过实体和参数化技术为建立具有完整拓扑关系的船舶产品模型提供有力手段；并通过与其他系统的数据接口实现异构CAD的数据和信息集成，为厂、所协同设计创造技术条件等。

The hydraulic properties of rock masses are likely to be highly heterogeneous even within a single lithological unit if the rock is fractured.

由于岩体中通常包含有大量的各种尺度的裂隙，因此其力学和水力学性质即使是在单一岩性岩层中也是高度非均质的。

The Yanchang Formation of Mesozoic strata in the Ordos Basin is characterized by ultra-low permeability with minute pores and microscopic throats, which results in severe Jamin effect in the lithologically heterogeneous formations.

鄂尔多斯盆地中生界延长组储层是典型的特低渗透砂岩储层，属于细孔微喉型，非均质性强，注水开发中贾敏效应异常强烈。

Therefore, some methods of substitution for a real heterogeneous material with the homogeneous one, macroscopically equivalent, are used.

因此有必要寻找一种新的理论来实现这一复杂的分析过程。

Renal-cell carcinoma, clear-cell sarcoma, mesoblastic nephroma, rhabdoid tumour, and renal medullary carcinoma form a heterogeneous group of childhood renal malignancies known as non-Wilms' tumours.

肾细胞癌、透明细胞肉瘤、先天性中胚叶肾瘤、横纹肌样瘤以及肾髓质癌均为来自于名为非 Wilm 肿瘤的一种儿童肾脏恶性肿瘤。

The determination demonstrated that the anionic polymerization of ε-caprolactam under 230℃ leaded to a mesomorphous form of PA6; the EPDM had heterogeneous nucleation effect on the crystallization of dispersed PA6 phase; in situ polymerization could further reduce crystallization enthalpy of PA6 component on the level of reactive compatibilization.

研究表明，230℃下进行阴离子聚合得到的PA6为β-介晶型；EPDM对这种分散在橡胶相中的PA6的结晶具有异相成核作用；原位聚合可在反应增容的基础上使得共混物中PA6的结晶焓进一步降低。

Using magnesium methoxide as a heterogeneous catalyst to produce biodiesel was put forward,and the corresponding process for catalyst disposal was researched.

开发了以甲醇镁为非均相催化剂制备生物柴油的工艺流程，研究了相应的催化剂后处理工艺。

Global culture is no homogeneous and monistic, which is a heterogeneous and pluralistic culture embracing the advanced cultures of various nations.

全球文化不是同质和一元文化，而是由各民族的先进文化所组成的多元的和异质文化。

Electron microscope observations showed that the liposome suspension was heterogeneous and the particle size ranged from 20 nm to 700 nm with a average diameter of 163 nm. The vesicles showed unilamellar and multilamellar structure which consisted of several concentric bilayers.

电镜观察表明，该脂质体多呈球形的单层或多层结构，脂质体粒径分布均匀，粒径范围20-700 nm，平均粒径163 nm，主要粒径分布位于50-200 nm(84.80%)。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。