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Accurate coal quality datas can be obtained by diversity conspicuousness mathematical statistics during the course of analyzing the quality of coal samples and suitable rang.

在煤样的煤质分析中利用差异显著性这种数理统计手段,可使煤质分析数据更加准确,并对适用的两种范围做出分

As for 3-layer constrained via minimization problem (3CVM), a heuristic approach on the basis of segment-crossing graph model is presented. Two types of algorithm, global sense and local sense are combined into our algorithm.

对三层布线的通孔最少化问题(3CVM),提出了一个启发式算法,以线段—相交图为模型,分总体优化和局部优化两步对三层详细布线进行通孔优化处理。

The paper will comment and conclude the contingent liability based on the analysis of the causes of contingent liability, its effects and repayment channels and literature review of international experiences.

同时,结合昆明市五华区的实际情况,对县区政府或有负债偿还能力或可承受规模分静态和动态两种方式分别进行分析评估,并得出评估判断结论。

There are two fundamentally different dynamical systems: those with discrete time variable and those with continuous time variable.

本文主要针对离散时间动力系统的动力学性质研究,包括差分方程及离散人工神经网络两个方面的研究。

There are two basic of control systems in numerical control: point-to-point and contouring.

在数控机床中有两种基本控制系统,分别是点对点和线性。

The norm tables of the Pre-S1 HKAT 2009 and the conversion tables of the raw scores between the 2008 and 2009 series are attached.

本局已完成就该测验进行的抽样研究及串连工作,现随本函附上2009年中一入学前香港学科测验的常模表及2008年和2009年两辑测验原始分的换算表。

In addition, some modifications on several computational methods are also presented. Using LMTO method the electronic structure of several systems are studied, and some results are obtained. They are: The ideal Nb (100) surface has three surface states, the multi-layer relaxed surface has two surface states. The surface energy of the ideal surface is higher than that of the relaxed surface, that means that the multi-layer relaxed surface is more stable than the former one, which supports the LEED results. The mono-layer relaxed Ag (111) surface is the most stable one among several" stable surface models"presented by several researchers. The surface energy of Ag (111) surface is higher than that of surface Ag (001), which supports some experimental results such as different reaction rate at different surface orientations for the same material. The surafce states of Si (111) surface not only locate near the Fermi level, but also in the valence band, which agrees well with Cohen's conclusion. Si (111)-H is an effective model for analysing the surface states and H adsorbed on the back surface is a good method for improving the convincingness of the results obtained on thinner slab models. The surface stability depends on three different kinds of MoSi〓(001) surfaces, the surface with mono-layer Si is the most stable one, and the surface with Mo at the first layer is the most unstable one among them. These are consistant with the Kemoda's experimental results. The valence bands of clean or K adsorbed CdTe (111) surface agrees well with the synchrotron radiation studies. The surface of CdTe (111) consists of four kinds of surface models which show different surface electronic structures and different surface structure stabilities. The conclusion agrees well with Wu's experimental work. The different absorbed alkali metals on the CdTe (111) surface give different adsorption characteristics which have relations not only with the valence electrons, but also with the core ones of the alkali metals. The electonic structures of Si-C alloys are different from that of Si-Ge alloys, and the energy band gaps of Si-C alloys do not increase linearly with Carbon concentration, our conclusion supports Alexander's results, but conflicts with Soref's one.

现分述如下: LMTO方法及其应用方面:1)通过对Nb(100)表面电子态分析发现清洁理想表面有三个表面态,多层弛豫表面有两个表面态;表面能大小说明多层弛豫表面更稳定,支持了LEED结果。2)通过对采用不同方法获得的几种不同Ag(111)表面稳定结构的表面能计算分析,给出了单层弛豫表面为Ag(111)表面的最稳定结构;从Ag(111)单层弛豫表面和Ag(001)表面的表面能比较,发现了Ag(001)表面表面能要比Ag(111)小的,表明了同种物质不同表面取向将表现出不同物理、化学性质,这是与实验中得出的结论是吻合的,3)通过对Si(111)表面态分析,不仅发现了Si(111)表面不仅具有居于费米能级附近的悬挂键所对应的表面态,而且还有很多表面态位于价带能量范围内,与Cohen等结果一致,H饱和slab模型背表面相当于增加了slab层的厚度,是一有效的变相增加slab层厚的方法,弛豫表面较清洁理想表面价带谱们低能端的少许移动,预示着总能降低,说明弛豫表面较清洁理想表面稳定。4)MoSi〓具有三种表面,从费米能级上态密度值大小得到单层Si表面最稳定,Mo原子为表层原子的表面最不稳定,双层Si原子表面居中的结论,这与Kemoda等人实验结果是一致的。5)通过对CdTe(111)表面表面电子态、表面结构稳定性及表面H、碱金属吸附的电子结构系列研究,不仅得出了CdTe(111)清洁及碱金属K吸附价带谱与同步辐射光电子谱相吻合的结果,而且发现了CdTe(111)表面具有四类不同原子近邻特征,表现出四类不同的表面结构及电子结构特征:不同表面态分布、不同的表面结构稳定性(表层原子与次层原子成三键有一悬挂键的表面要比表层原子与次层原子成一键有三悬挂键稳定(与Wu等人实验结果一致))、不同的H吸附特性。

Convolvulus P. multiflorum P. cuspidatum have the exine stratification considered as typical of the dicots, endexine, foot layer, columellae and tectum.

结果表明:外壁结构分化成两个明显的层次,即外面的外壁外层以及内面的外壁内层,其外壁外层由覆盖层、柱状层和底层组成的。

IH induced enduring increments in frequencies of autogroog, paw lifting, and vocalizing, and was associated with incidents of coprophagy and repetitive behavior.

实验分两个阶段,首先让犬群居在宽敞的有户外运动场的犬舍,然后让犬独居在小犬舍里,其间分别测定不同时期行为学和生理学参数。

Cori Morgan, 7, and her sister, Shadia, 3, had left their bedroom for the living room just before the

这两个女孩儿分别是现年7岁的科莉·摩根和现年3岁的莎迪娅·摩根,她们是一对亲姐妹。

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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。

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