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Abstract: The experiment about ignition property of solid e nergetic materials was done by laser which was generated by big powerful laser i nstrument-ND:YAG.The influence on the ignition property of difference enery,puls e width and different frequency o
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文摘:使用大功率Nd:YAG激光器产生的激光，对固体含能材料的激光点火性能进行了实验研究，分析了不同能量、脉冲宽度、调制频率及药粒尺寸等因素对点火特性的影响，为激光点传火系统的研制提供了实验依据。 |
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Abstract: The experiment mechanism of strata around roadways is analyzed with the procedure simulation of resemble,combined with the deformation characteristics of roadway in coal mine.The resemble simulation experiment on procedure for the failure of sof
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文摘:对模拟实验原理进行了阐述，结合现场实际破坏特征，对软弱层状岩石巷道的破坏过程进行了相似模拟实验，根据试验结果和计算机仿真结果，对其破坏过程进行了分析，对现场施工具有指导意义. |
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Abstract: The experiment results of anisotropy of brass H68 mechanicalproperties in ironing are introduced in this paper. It is ironing coefficient to influence anisotropy of mechanical properties.
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文摘:列出了在变薄拉伸过程中形成H68黄铜毛坯的机械性能各向异性的实验研究结果。指出了主要影响机械性能各向异性变化的是变薄系数。 |
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Abstract: The experimental design plans were determined on analyzing main factors to affect infiltration capability of muddy water.
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文摘:在分析了影响浑水入渗主要因素的基础上，提出了试验方案。 |
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Abstract: The factors that affect the city planning have many, the article thinks that the nature factor shoulds be more to rises in city planning predominant function.
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摘要:：影响城市规划的因素有许多,文章认为自然因素应该更多的在城市规划中起到主导作用。 |
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Abstract: The false preset of pragmatics is a kind of language phenomenon that process the messages outside of the common field of knowledge shared by the two communicating parties as the preset information.
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摘要：虚假语用预设是一种把非言语交际双方知识共有场中的信息处理为预设信息的语言现象。 |
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Abstract: The far-field spot characteristics of laser converted by random phase plate are analyzed theoretically,including the shape,size,rotational symmetry and diffractive efficiency of the spots,as well as the distribution of subsidiary spot.By compari
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文摘:从理论上分析了激光经随机位相板变换后在远场的光斑特性(包括光斑的形状、大小、旋转对称性、衍射效率以及旁瓣分布)，通过比较三种形状位相元(等边三角形、正方形和正六边形)的远场光斑特性，得知正六边形位相元结构的随机位相板更适合于激光聚变中的束匀化。 |
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Abstract: The fast Hankel transformation algorithm is used to study the diffractive modulation property of laser beam propagation in high power laser facility.
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文摘:利用快速汉克尔变换算法研究了高功率激光在自由空间传输过程中形成低频调制的规律，给出了衍射调制深度与光束宽度及传输距离等参数之间的变化关系。 |
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Abstract: The feasibility to prepare the forming materials of abrasive wheel with wear-resistant steel ball by spray granulation is emphaticall analysed in this paper.In accordance with the comparation and analysis of the experiments,the applicability of
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文摘:着重分析了喷雾造粒法制备磨钢球砂轮成形料的可行性，并通过试验对比分析，探讨了喷雾造粒工艺在磨钢球砂轮生产中的适用性。 |
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Abstract: The features and compressing metheds of the data of multichannel analyzer have been studied and described in this paper.Two methods of dynamic ratio compression and equal count compression have been set up to realize the compression and real-tim
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文摘:对多道数据的特性和压缩传送问题进行了详细研究,提出了用动态比压缩方法和等计数压缩方法完成多道数据的远程实时无损压缩传送,给出了方法原理和实验结果。 |
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Abstract: The features and trends of building-block machines and flexible production lines consisting of those machines both in China and oversease are presented.Also discussed are the critical issues for flexible production line consisting of building-bl
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文摘:介绍了国内外组合机床及其生产线柔性化发展的特点，及目前国内拖拉机生产企业实现组合机床生产线柔性化应解决的关键问题。 |
