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Xi'an Daminggong Construction Materials Marketplace-a subordinate of Xi'an Daminggong Construction Materials Enterprises Co., Ltd,being the biggest construction materials market and distribution center of West north china, functions as a platform for the distribution of construction and decorative materials.

西安大明宫建材市场是西安大明宫建材实业有限公司的下属公司之一，作为西北地区最大的建材市场和集散地，致力于为建材、装饰材料的流通提供经营平台。

On the basis of analyzing the current techniques for power flow calculations of distribution network,by improving the traditional forward and backward substitution method ,a calculation applied for the reliable distribution network is presented,which has practicability.

在分析现有配电网潮流计算方法的基础上，通过对传统的前推回代法加以改进，提出了一种适用于辐射配电网潮流计算方法，具有实用性。

A model is established for determining subzone formation pressure distribution of simultaneous multi-well production from the viewpoint of potential. The model is used to predict the subzonal pressure distribution in an area of an oilfield in combin...

应用该模型和生产测井资料对油田某区域某一小层的压力分布进行了预测；将预测结果与油田的实际情况进行分析比较可以看出，应用该方法预测油田区域压力分布能取得较好的效果

It is showed by the result that the suitable forming of beef marbling, distribution of fat like little strip as granule and good distribution in cattle as for beef texture of high grade is good for tenderness, succulence, and sensory of beef.

结果表明：牛肉大理石纹的适量形成、脂肪沉积形状小条近似粒状的均匀分布与牛肉的嫩度、多汁性和适口性有正相关性。

In statistics, a statistic is sufficient for the parameter θ, which indexes the distribution family of the data, precisely when the data's conditional probability distribution, given the statistic's value, no longer depends on θ.

统计量是样本的不带任何未知量的函数，一般而言，统计量所包含的信息比样本要少，但可能这些漏掉的信息是无关紧要的。

This paper describes some advances made in the study of the distribution and modes of occurrence of cadmium, and sums up the distribution and geochemical investigation of cadmium resources in China. It is suggested that we should strengthen the study of abnormal enrichment mechanism of cadmium and the release and circulation of cadmium in supergene geochemical process, which adversely affect the environment.

本文介绍了有关镉的分布和赋存状态的一些研究进展，总结了我国镉矿资源的分布及特点和地球化学研究现状，提出应加强镉的超常富集机制、铅锌矿床表生地球化学过程中镉的释放及其对环境的影响方面的研究。

Wang (1999) discussed it and obtained some properties of the survival probability, the supremum distribution before ruin and the surplus distribution at ruin.

Wang（1999）得到了此模型下生存概率，破产前上界分布及破产时赤字的一些性质；Wang（2001）考虑了破产概率的分解。

Hydrothermal treatment and pH value swing could shift the micropore distribution of alumina to macroporous direction, and decreased surface areas; the surfactants addition could shift the micropore distribution of alumina to microporous direction, and increase surface areas.

其中pH值交替变动和水热处理使氧化铝微孔分布向大孔方向迁移，比表面降低；加入表面活性剂使氧化铝微孔分布向小孔方向迁移，比表面增加，制备出了低比表面≤150平方公尺g^(-1和高比表面≥250平方公尺g^(-1的大孔容氧化铝载体。

The series expansion for the potential distribution in whole space with the potential distribution on the symmetric axis is derived,some examples are given.

提出了求解轴对称静电场的柱函数展开法，推导出用对称轴上的电势分布表示空间电势分布的级数展开式，并给出了求解轴对称静电场的例子

Numerical simulation results reveal that the tangential, axial velocity and radial velocity in the annular space are asymmetric distribution, and basically symmetric distribution in the separation space.

在旋风分离器的三维速度中，切向速度在环行空间具有明显的非轴对称分布，向下进入分离空间后很快发展为轴对称分布；轴向速度和径向速度在环行空间存在一定的非轴对称性，而到分离空间后基本上是轴对称分布了。

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。