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In this dissertation, we optimized the thinkness of each layer of TFEL devices using the layered optimization method to obtain ZnS: Ce〓 TFEL devices. Accoding to the energy level structure of Ce〓, two criteria for distinguishing the EL of Ce〓 were found out, from which it was conduded that the TFEL of ZnS: Ce〓 comes from 5d→4f transition of Ce〓. The measurement of brightness waveform showed that the TFEL of ZnS: Ce〓 was the luminescence from independent centers. and there were the field induced-delocalization in this process anf it〓s the cause of low TFEL efficiency of ZnS: Ce〓. In this dissertation, different influence factors on TFEL of ZnS: Ce〓 were sdudied. The influence of different host lattice is different: The blue/green ratio of ZnS: Ce〓 in hexagonal system of ZnS is larger than that in cubic system of ZnS, and the TFEL peaks in hexagonal system of ZnS moves toward longer wavelength compared with that in cubic system of ZnS. The adding buffer layer was used in this stage. The solubility of Ce〓 in ZnS was small and it was another limit to TFEL brightness of ZnS: Ce〓 device. The solubility of Ce〓 increased ten times when using Li ions as flux, so that the TFEL brightness of ZnS: Ce〓 was enhanced. It was found that the appearing of ZnO in active layer improves the TFEL of ZnS: Ce〓: the brightness and the wave range of ZnS: Ce〓TFEL were enhanced.

本文采用TFEL的分层优化方案，优化组合了各膜层厚度，选择最佳制备条件，得到了ZnS：Ce〓的TFEL；根据Ce〓的能级结构，找到了判别Ce〓的EL的两个简单依据，并据此断定ZnS：Ce〓的TFEL的两个发射峰分别属于Ce〓的〓和〓跃迁；亮度波形测量表明ZnS：Ce〓的TFEL属于分立中心发光，分析认为在此过程中存在着较严重的场致离化，这也是ZnS：Ce〓的TFEL效率较低的一个原因；本文考查了影响ZnS：Ce〓的TFEL的各种因素，发现：基质的晶体结构对ZnS：Ce〓的TFEL有所影响，在六角相ZnS中Ce〓的TFEL优于立方相ZnS中Ce〓的TFEL：发射峰的蓝-绿比相对较大，且光谱向短波方向移动，在此项研究中本文采用了在发光层前增镀过渡层的办法，过渡层为六角晶相的ZnO；限制ZnS：Ce〓的TFEL器件亮度的一个原因是Ce〓在ZnS中的溶解度低，本文用Li离子作助溶剂增大了Ce〓的溶解度，增大幅度为一个量级，并且ZnS：Ce〓的TFEL亮度明显提高；从ZnS：Ce〓的TFEL光谱来看ZnS：Ce〓的TFEL波长覆盖范围较小，亮度也不高，达不到做为白色TFEL材料的要求，需要寻找新的白色TFEL材料；在研究ZnS：Ce〓的TFEL中还发现：发光层中ZnO的出现有利于ZnS：Ce〓的TFEL：发射峰变宽、亮度增大。

High speed and accuracy of the computer operation improves the efficiency and quality of service processing.

微机操作速度快、准确率高，提高了业务处理的效率和质量。

The homogeneous calibrator and ideal material calibrator are considered respectively. From the optimal results" analysis and comparison, we can see that the ideal material calibrator improves greatly the cooling uniformity of plastic profile by changing the cooling channel"s location, size, number and adjusting calibrators material distribution.

分别考虑均质定型模和理想材料定型模，从优化结果分析、比较可以看出，理想材料定型模通过改变冷却水道的位置、尺寸和数量以及调整其材料分布规律，极大地改善了塑料型材的冷却均匀性和冷却效率。

Substituting other faster algorithm of NN for the BP algorithm in it, we get a new non-line homotopic synthetic learning algorithm, which increases the speed of convergence and improves the ability of avoiding local minimum.

在此基础上，进一步提出用其它改进的神经网络快速算法代替其中的BP算法，从而形成新的非线性同伦综合学习算法，即保持了快速收敛的特点，又较大地提高其避免陷入局部极小的能力，收到很好的训练效果。

This improves the hoop strength, but not up to the level of wrapped spars.

这提高了夏的力量，但未能达到的水平，包裹spars 。

Horsetail is used to stimulate immune system and an infusion made out of fresh stalks improves erections.

马尾是用来刺激免疫系统，并取得了注入新鲜秸秆改善勃起。

Effecti vely improves orange peel skin on buttocks and huckle, while astringing abdomen skin after childbirth.

有效改善体臀部和大腿部橘皮样皮肤，同时还能收紧产后腹部肌肤。

Skin curative effect: it's a good astringent; astringes slack skin, improves blood circulation of skin, relieves hyperemia and edema phenomenon.

皮肤疗效：是很好的收敛剂，有收紧松驰的皮肤效果。可改善皮肤的血液循环，减轻充血、浮肿的现象。

The algorithm improves the precision of ICI estimation and enhances the mobile reception performance of the DVB-T 8K system.

该算法提高了ICI估计的准确性，增强了DVB-T 8K系统的移动接收性能。

And besides the image that improves information orgnaization iciness,"Xinbeite " the movement that allows employee this to open win still has an objective, that hopes to be attracted with this namely more " computer ace " join in come in the job, complication increasingly as the condition of area of the closest middle east especially,"Xinbeite " the information division of science and technology with hope this action attracts high-tech talent to join in vital.

而除了改善情报机构冰冷的形象之外，"辛贝特"这次答应员工开博的举动还有另外一层目的，那就是希望以此吸引更多的"电脑高手"加盟进来工作，非凡是随着最近中东地区的局势日益复杂化，"辛贝特"希望此举吸引高科技人才加盟重要的信息科技处。

They have quite a lot of work to do.

他们有许多工作要做。

Let us give you a more elaborate example of this process.

让我们给你这个过程的更多的详细例子。