目的 探究滤波反投影法(FBP),三维自适应迭代低剂量重组技术(AIDR3D)不同重组等级(AIDR3D-MILD,AIDR 3D-STD,AIDR 3D-STR,AIDR 3D-EN)对640层CT所行胸部低剂量CT(LDCT)图像质量的影响.方法 应用Aquilion One CT机,纳入50例怀疑肺部疾病行胸部CT平扫的患者.管电压100 kVp,自动管电流(固定噪声值 8.8 HU)....
One false step...and you're dead Focuses on land mines. Usefulness in war; Hazards; Development of technology to detect land mines; Limitations of metal detectors; Mechanics of mine clearance; Anecdotes; Expectations. INSET: The science of killing.. J Mullins - 《New Scientist》 被引量: 1...
As a critical tool to optimize the allocation of resources, fiscal and tax policy plays an important role in promoting the deep development of army-civilian integration. This paper focuses on how to reasonably choose fiscal and tax policy tools to promote the development of army-civilian integratio...