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Applying whitening process and Gram-Schimdt orthogonalization and orthogonal subspace projection, an optimal transformation matrix is designed to minimize the ratio of intra-class distance to inter-class distance while imposing the constraint that different class centers after transformation are along specifically directions that are orthogonal each other.

以线性变换后样本的类内距离与类间距离之比最小作为准则函数，同时加上约束条件使变换后的样本中心沿着特定的正交方向，通过白化变换、Gram-Schimdt正交化和正交子空间投影求解约束准则函数得到最优变换矩阵。

Of these patients, 75 were diagnosed with knee meniscus injury, 11 had synovitis, 6 had osteochondritis, 3 had gout, 3 had septic knee, and 3 had intra-articular free.

应用关节镜手术治疗膝关节病损101例，其中膝半月板损伤75例，滑膜炎11例，骨关节炎6例，痛风3例，化脓性膝关节炎3例，关节内游离3例。

Kufra Basin is a large Palaeozoic intra craton ic sag basin,which is formed on the crystallization basement.

库弗腊盆地是在稳定结晶基底上形成的大型古生代克拉通内坳陷盆地。

Intra- and interobserver reliability of passive motion palpation of the lumbar spine.

区域内和观察者触诊腰椎的可靠性被动的议案。

The course of inter-and intra-language integration was taken as an important parameter for the semantic representation to be accessed in all our experiments with the bilingual subjects of different proficiency of the foreign language .

在实验中，我们始终强调语境对语义的制约作用，将语言内和语言间的语义整合的时间进程作为双语语义表征和语义通达的最重要指标，对不同程度的汉英双语者进行研究。

If a vaccine intended for subcutaneous administration is accidentally delivered intravenously, or an intra-nasal vaccine given parenterally, a life-threatening reaction may occur.

如果一种疫苗用于皮下，政府当局是不小心发表的静脉注射，或内部的鼻腔疫苗鉴于parenterally ，危及生命的反应，可能会发生。

Besides, the lasing linewidth of the EDFL output becomes narrower by simply inserting an tiny air-gap between the FC/PC connectors of fiber patch cord, which functions as a intra-cavity Fabry-Perot filter in the cost-effective L-band EDFL system.

此外，我们还在环腔内光纤跳接线连接处产生一微小空隙，如同在环腔内加入一法布里裴洛滤波器，可使得雷射的线宽变的更窄。

The order of Intra block encoding is from left to right horizontally and from top to bottom vertically, so the prediction reference pels can only appear on the left side or upside of the current block, without ideal predicted result sometimes.

由于块编码总按照从左往右和从上往下的顺序，帧内预测可选的参考像素限制于块的左边和上边，因此预测结果不理想。

The maximal absorption band could be assigned mainly to intra-ligand charge transfer transition character. It mostly originated from transitions starting from the phenoxide side containing chlorine to pyridyl side.

最大吸收主要来自配体内电荷转移跃迁，电荷从苯酚环和氯向含氮的吡啶环跃迁。

The most parts of thesis as follows:1. Five symmetrical intra-molecular charge transfer oligomeric phenylene vinylene light emitting materials were designed and synthesized using oligomeric phenylene vinylene as a framework.2. The structures of target molecule were characterized by ~1HNMR,~(13)CNMR, IR, MS and element analysis.3. In order to study the influence of the location and numbers of electron-donor and electron-acceptor on their photoelectric performance by changing length of OPV chain, the UV spectra and fluorescence spectra of target compounds has been compared. We have researched into main factors effecting on material emitting red-shift; organic electroluminescence device was prepared using the compound P4. The capability of eletroluminescence was researched.4. The photoelectric properties of P4 was explained by quantum chemical calculation (the Gaussian 98 quantum chemistry program). It is greatly contributed know the whole process of charge transfer to guide the design of red emitters.

本文研究的内容主要包括以下部分：(1)设计并合成5个对称的以齐聚苯乙烯类为骨架的分子内电荷转移型齐聚苯乙烯类发光材料；(2)通过IR，MS，~1H-NMR，~(13)C-NMR和元素分析对所合成的目标化合物进行表征；(3)通过对目标化合物的紫外光谱和荧光光谱比较分析，研究改变OPV的长度，电子给体和电子受体的位置及数量对其光电性能的影响，探讨材料发射红移的主要因素；选取性能良好的目标化合物P4制备成OELD器件，对其电致发光性能进行研究；(4)运用Gaussian98量子化学程序包，采用量子化学方法对目标化合物P4的光电性能从理论加以解释，进一步认识荷移跃迁的整个过程，为红光材料的设计加以指导。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新