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It isverified that the method for using little deformation condition was true with accurate solution of three-piece straightening curve.

文摘：基于三段矫直曲线应变速率的假设，通过计算三段矫直曲线的精确解，验证了使用小变形条件的正确性；考虑高温铸坯蠕变性能，对铸坯的力学行为进行了分析，得出了使用三段矫直曲线方法，铸坯应变速率、应力及应变在矫直区内变化较为平缓，可有效避免铸坯内裂纹的形成；使用本文三段矫直曲线精确解，调整辊列位置，可进行连铸机的在线技术改造。

It isverified that the method for using little deformation condition was true with accurate solution of threepiece straightening curve.

文摘：三段矫直曲线应变速率的假设，通过计算三段矫直曲线的精确解，验证了使用小变形条件的正确性；考虑高温铸坯蠕变性能，对铸坯的力学行为进行了分析，得出了使用三段矫直曲线方法，铸坯应变速率、应力及应变在矫直区内变化较为平缓，可有效避免铸坯内裂纹的形成；使用本文三段矫直曲线精确解，调整辊列位置，可进行连铸机的在线技术改造。

In this article a 3-intersecting system of sets of X,the extension of a 3-intersecting system of sets are defined.

在定义了三交系和三交系的扩充的概念的基础上，得到了几类特殊的三交系判定的充要条件和一类三交系的扩充定理。

In this part, the paper inspects and studies Lukasiewicz"s 3-valued logic, the truth function of 3-valued logic, the study of axiomatized system of Lukasiewicz"s 3-valued logic and the many-valued generalizations of Lukasiewiczs 3-valued logic, etc.

在这一部分中，文章考察的内容主要有卢卡西维茨的三值逻辑理论、三值逻辑的真值函项、卢卡西维茨的三值逻辑的公理化研究和卢卡西维茨的三值逻辑的推广等。

This paper details an efficient method for a one-step transformation of the trityl ether to the acetonide. Treatment of trityl ether with a mixture of trifluoroacetic acid, 2,2-dimethoxy propane and camphorsulfonic acid as catalyst in dichloromethane through detritylation followed by acetonization gave the acetonide in high yield.

介绍了一种新的高效的由三苯甲基醚直接生成丙酮化合物的方法，也就是使三氟乙酸条件下脱三苯甲基的反应和生成丙酮化合物的反应在一个反应瓶中同时进行，使脱三苯甲基作用后生成的醇继续反应得到高产率的丙酮化合物。

Investigation and discussion is various the portrait equipment having the three-dimensional body imaging function applies to hitting the target clinically, many row CT are worth to the application that the bone and arthrotrauma fracture 3-D rebuild, helix CT valuation in cultivating operation in the tooth, helix CT 3

探讨多种具有三维立体成像功能的影像设备在临床中的应用，多排CT对骨与关节外伤性骨折三维重建的应用价值，螺旋CT在牙种植手术中的评价，螺旋CT三维重建在胫骨平台骨折中的应用，三维重建技术的实现可以准确地提供影像诊断和医疗决策。

Investigation and discussion is various the portrait equipment having the three-dimensional body imaging function applies to hitting the target clinically, many row CT are worth to the application that the bone and arthrotrauma fracture 3-D rebuild, helix CT valuation in cultivating operation in the tooth, helix CT 3-D rebuilds in application in tibia platform fracture , 3-D rebuilds the technology realization to be able to provide the portrait diagnose and the medical treatment decision-making accurately.

中国医科大学临床医学七年制，沈阳， 110001）择要：探讨多种具有三维立体成像功用的影像装备在临床中的应用，多排CT对骨与关节外伤性骨折三维重建的应用价值，螺旋CT在牙种植手术中的评价，螺旋CT三维重建在胫骨平台骨折中的应用，三维重建技术的实现可以准确地提供影像诊断和医疗决策。

The photodegradation rate of M-PPV 1 was constrained by DABCO that quenches the triplet state of M-PPV; 2increased when the solvent changed from benzene to deuterated benzene in whichthe lifetime of triplet state is longer than that in benzene; 3 was improveddramatically with high concentration of M-PPV triplet state was generated by energytrasfer from biacetyl.

发现：1能猝灭M-PPV的三重态的1，4-二氮二环[2.2.2]辛烷也能有效地抑制光氧化反应的进行；2能提高M-PPV三重态寿命的氘代溶剂也能使M-PPV光氧化降解速率加快，3丁二酮和M-PPV间的能量传递能够提高M-PPV三重态的浓度，这和丁二酮作三重态敏化剂敏化光氧化M-PPV时，M-PPV的光降解速率大大增加也是一致的。

Project Introduction: Trichlorosilane, also named Silicochloroform ,is mainly used in the synthesis of organic silicone, alkyl, aryl and organic functional group chlorosilane. It's the most basic monomer of the organic silane coupling agent,and the production material for semiconductor silicon and silicon; Manufacturing process of the tetrachlorosilane includes the reciprocal effect by the trichlorosilane steam and the hydric steam which has been heated up to 1700-2500SiCK by the plasma accelerator; the steam compound in the reactor goes into the condensing system that separates trichlorosilane. After that, polycrystalline silicon can be made.

三、项目概况：三氯氢硅：又名三氯硅烷、硅氯仿，主要用于有机硅烷和烷基、芳基以及有机官能团氯硅烷的合成，是有机硅烷偶联剂中最基本的单体，也是生产半导体硅、单晶硅的原料；四氯氢硅工艺包括在等离子加速器内加热到1700-2500SiCK的氢气流和四氯氢硅的蒸汽相互作用，在反应器内形成的蒸汽气体混合物进入分离三氯氢硅的冷凝系统，下步可制取多晶硅。

The model is used to count several engineering example.Comparing the 2D numerical results with electrical simulations,it is proved that the seepage model can count the seepage surface and the location of search results in dam well and truly.Comparing 3D results with 2D results at close section,the results are tally well except the difference of meshes and the interceptive position of section.So the model is credible and has upper practicality value.In the projects,the spending of account is increasing because of the bigger account field.

将饱和—非饱和渗流模型用于几个工程实例，其二维模拟结果同渗流电模拟实验结果进行了对比，证明本文的渗流模型完全能够准确计算坝内的渗流浸润线以及逸出面位置；三维数值模拟的结果在相近剖面处与二维结果作了比较，考虑三维网格剖分及剖面截取位置的差异，三维结果与二维结果吻合的较好，证明本文的饱和—非饱和渗流模型在三维计算中是可靠的且具有较高的实用价值。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。