Characteristics of time of flight counter wrapped with five reflective materials: tyvek, teflon, millipore, ESR and Al film is studied by test beam at BEPC linear accelerator.
在北京正负电子对撞机直线加速器试验束上测试TOF闪烁体在不同光反射材料下(tyvek, teflon,millipore,ESR及镀铝薄膜)的性能,包括时间分辨率,衰减长度及光在闪烁体中的有效传播速度。
In order to standardize and conduct use of road traffic signs and retroreflective material and enhance night visibility of traffic signs,grades,categories,structures,photometric characteristics,colorimetric characteristics and relative standards of traffic signs and retroreflective materials were analyzed to find out the relation between retroreflectivity and night visibility of traffic signs.
为了规范和引导道路交通标志及其逆反射材料的使用,提高道路交通标志的夜间视认效果,对交通标志及其逆反射材料的等级、类别、结构、光度性能、色度性能以及国内外相关标准进行分析,研究交通标志的逆反射性能及与夜间视认性的关系。
The Study of a New Kind of Imaging System and Retro-reflection Material;
一种新型成像系统及回归反射材料的研究
Studies on the Retro-Reflection of GRIN Polymer Micro-Sphere;
GRIN聚合物微球用作回归反射材料的研究
Interior of fixture shall be white in color and constructed from high reflecting plastic enamel.
照明罩内部白色,高反射的塑料材质。
Development of Reflectivity Temperature-change Measurement System for Radar Absorbing Material;
吸波材料反射率变温测试系统的研制
Preparation of Nanomaterials by Hydrothermal and Reactive Radio-frequency Magnetron Sputtering;
水热法及反应磁控溅射制备纳米材料
Study on Preparation and Properties of TiO_2/BiOCl Reflective Thermal Insulation Materials
TiO_2/BiOCl反射型隔热材料的制备与研究
Study of Low Reflectivity Artificial EM Materials
结合FSS的低反射人工电磁材料研究
Reflection spectrum of Cercon zirconia
Cercon氧化锆材料的反射光谱
THE DEVELOPMENT RESEARCH OF REFLECTIVE PORCELAIN MATERIALS WITH LIGHTWEIGHT SILICON CARBIDE
轻型碳化硅陶瓷反射镜材料研究进展
New method of determining permittivity and permeability by scattering coefficients
散射参数反演材料电磁参数的新方法
Study of composition and reflection property of low reflectivity optics functional coatings
低反射光学功能涂层材料的组成与反射特性研究
An New Method of Determining Permittivity and Permeability by Scattering Coefficients Based on NRW Theory
基于传输反射原理的散射参数反演材料电磁参数的新方法
(physics) material in a nuclear reactor that absorbs radiation.
(物理)用于在核反应堆中吸收辐射的材料。
Stiffness Analysis of Carbon-fiber Reinforced Composite Mirror
碳纤维增强复合材料反射镜的刚度分析
Study on shielding functionally gradient materials with low reflection loss and high absorption loss for electromagnetic wave
低反射高吸收梯度电磁波屏蔽复合材料研究
Research on the Measurement of Reflection Coefficients at Oblique Incidence for Stealth Material Used on Underwater Weapons;
水中兵器声隐身材料全向声反射系数测量研究
Investigation of Interfacial Structure in CoFe/TiZr Multilayers by Neutron Reflectometry;
CoFe/TiZr多层膜材料界面结构的中子反射研究
Development In C/SiC Optical Mirror Joining
C/SiC复合材料反射镜连接技术研究进展
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