DAST is one kind of the most important materials in generating and detecting THz radiation for the reason that it has large optical nonlinear and electrooptic coefficients, low dielectric dispersion, large coherence length and ultra fast response time.

1、

It is concluded that the home-grown DAST is a kind of high-efficiency THz material, and could become a good THz emitter and detector after the improvement in growing process.

结果表明，国内新生长的有机晶体DAST的确是一种高效率的THz产生晶体，优化生长条件后将可得到更高的产生效率。

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2、

Heat conduction investigations of the Si bridge in infrared emitter using micro-Raman scattering Characterization of the Organic Crystal DAST as a THz Emitter

Si微电阻桥温度分布与热传导特性的显微Raman光谱研究利用国内生长的有机晶体DAST作为THz源的研究

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3、

Advancing the develop-ment of agricultural productivity which consists of social and natural productivity is the main aim of DAST.

提高由社会生产力和自然生产力构成的农业生产力的整体水平，是它业科技发展的落脚点。

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4、

Eliminating the restraint factor existing in the disposition of productive factors is the key point of DAST;

②清除或缓解生产要素配置中的“瓶颈”制约，是农业科技发展的突破口；

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5、

A DAST Programming for the Analysis of Ship Model Test Data

船模试验数据分析DAST程序设计

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6、

The paper discusses various factors which can affect DASY zeolites filtration and exchange by using filtration basic equation, mass transfer equation of heterogeneous reaction and zeolite exchange mechanisms in the production of DASY with vacuum belt filter, finally optimizes the belt filter's operation conditions.

本文应用过滤基本方程式、多相反应传质方程、分子筛交换机理等，分析了在DASY分子筛生产中影响真空带式滤机过滤和交换的因素，优化了带机的操作条件。

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Methods Wistar rat and Kunming mouse were used as experimental animals. Osteoporosis was induced by orally given retinoic acid ( 70 mg · kg-1 · d-1) to the rats for 14 dasy.

方法：维甲酸（70mg·Kg-1·d-1）给大鼠灌胃14d，可导致大鼠的实验性骨质疏松，然后观察药物对动物骨密度的影响；

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8、

The LT50 decreased to 4.3 days at the dose of 134.9 conidia per mm2 from 5.1 dasy at 57.7 conidia per mm2. The results indicate that the millet cultures of Z.

在57.7～134.9个孢子/mm~2的接种剂量范围内，致死中时LT（50）从5.1天下降到4.3天。

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9、

Application of Vacuum Belt Filter in DASY Zeolites Production

真空带式滤机在DASY分子筛生产中的应用

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10、

Baguwen ( Stereotyped Writing) can be classified into two categories: Dati ( Broad-theme) and Xiaoti ( Narrow-theme).

八股文可以分为大题和小题两类。

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11、

Serena: Ugh! god, Dati and Isabel filmed us?-

film:拍摄天哪，Kati和Isabel把我们拍下来了？

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12、

Diastolic amplitude time index ( dati) and index of ventricular diastolic function

左心室舒张期振幅时间指数在冠心病心功能测定中的应用

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13、

Six strategic models of knowledge management are recommended, The detailed contents and practice of knowledge management, such as setting up enterprise knowedge datu pool, creating condition for knowledge sharing, enterprise stud and the management of invisible, property and so on, are discussed.

提出了知识管理的6种战略模型，论述了知识管理的具体内容和实施方法，如建立企业知识库、营造知识共享环境、企业学习、无形资产管理等。

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14、

The relative permeability curve of oil and water is an important datu and base to draw up the oilfield development plan and to predict reservoir performance.

油水相对渗透率曲线是编制油田开发方案及油藏动态预测的重要实验资料和依据。

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15、

The relation between viscosity and flow rate of liquid penetrating through porous material was investigated by using available datu.

利用现有的资料，对液体透过多孔材料时的液体粘度与流量的关系进行了研究。

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16、

Forest Resource Devolution Management and Its Efficiency& Forest Devolution in Datu Village

森林资源分权管理及其效应探讨&以大土村的森林资源分权管理为例

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17、

Collision between valve face and valve seat has been simulated in the software environment of ANSYS/ LS-DYNA.

应用ANSYS/LS-DYNA软件，对气门与气门座的碰撞进行了模拟分析。

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18、

The utility model relates to an inclined-tapering face multiple-way valve.

本实用新型是一种斜锥面多通阀。

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19、

Precision Press Machining of Small End Face of Valve

气门小端的精密冲切加工

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Formation and Elimination of Porosities and Cracks on the Head Face of Valve Tappet

气门挺杆端面气孔裂纹形成原因分析及其消除措施

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