System characteristics of slice collimator for SPECT imaging and Monte Carlo simulation;
断层屏蔽SPECT的性能和蒙特卡罗模拟
Introducing the angle function to slice collimator SPECT,It is found that the counts of the detectors achieve the maximum value in different angles,which change with the position of the point source and contain a wealth of information.
断层屏蔽SPECT中角度函数的引入,使探测器收集到的粒子计数在不同的角度表现出有极大值,该极大值随点源的位置而变化,它包含了丰富的信息。
This paper briefly expounds the sources and transmission paths of the EMI in the transformer substation, introduces the suppressing methods for the EMI and the grounding modes of the shielding layers, and points out that the influence of the EMI can be reduced to the minimum only through detailed arrangement and perfect measures.
简要介绍了变电站电磁干扰的来源和传播途径,介绍了电磁干扰的抑制方法以及屏蔽层的接地方式,指出只有通过周密的布置和完善的措施才能将电磁干扰的影响减到最小。
Study on the Microstructure and Properties of Electroless Deposition Nickel-base EMS Coating with Rare Earth Joined;
化学沉积稀土镍基电磁屏蔽镀层组织与性能的研究
Study on the Structure and Properties of Electrodeposition Nickel-base Electromagnetic Shielding Coating with Rare Earth Joined;
电沉积稀土镍基电磁屏蔽镀层组织与性能的研究
Preparation of Cu/Sn composite coatings with electric magnetic shielding
铜/锡复合镀层电磁屏蔽织物的研制
Preparation and Characterization of Tin-nickel Alloy Electromagnetic Shielding Fabric
锡镍合金电磁屏蔽织物研制与镀层性能研究
Earthing Mode for Shielded Signal Wire of LV Circuit
弱电回路屏蔽信号线屏蔽层接地方式
Sediments acted as a restricting control.
沉积层起着屏蔽的作用。
Overburden had concealed the radioactivity.
覆盖层屏蔽掉了放射性。
Application of Metal coated Carbon Fiber Felt in EMS Materials
镀金属碳毡在电磁屏蔽材料中的应用
Calculation of magnetic field and shield loss for shielded motor
屏蔽电机的磁场与屏蔽层损耗的解析计算
Research on microstructure and shielding effectiveness of Fe-Ni-B shielding coatings
Fe-Ni-B屏蔽涂层的微观结构及屏蔽性能研究
Shielding Effectiveness of Double Layer Rectangular Enclosure with Apertures over Wide Frequency Range
有孔双层屏蔽腔体屏蔽效能的多模分析方法
Wood Electroless Nickel Plating and Electromagnetic Shielding Materials Made of Nickel Plated Wood
木材化学镀镍及木质电磁屏蔽材料的制备
Study on Electroless Nickel Plating on Wood Surface Used as Electromagnetic Shielding Material;
木材化学镀镍作电磁屏蔽材料的制备研究
Electroless Plating of Cu-Ni-P Alloy Film for EMI Shielding on Epoxy Resin Surface;
环氧树脂表面化学镀Cu-Ni-P合金电磁屏蔽膜
Study on Lightweight Composited Electromagnetic Shielding Materials of Wood with Electroless Copper
化学镀铜木材轻质电磁屏蔽复合材料的研究
Research on Electroless Plating Preparation of Wood Electromagnetic Shielding Material
木质电磁屏蔽材料的化学镀制备工艺研究
Research of Electromagnetic Shielding Al-glass Fiber Composite Materials
电磁屏蔽用镀铝玻纤复合材料的性能初探
Research on Shielding Effectiveness of PC/ABS Composite Engineering Plasticswith Nickel-coated Carbon Fiber
EMI用镀镍碳纤维增强工程塑料的屏蔽性能研究