The measured hard X ray spectrum coincides with theory prediction. 用该谱仪实际测量了激光等离子体产生的超快硬X射线能谱,所得结果与理论预期符合。
Effect of surface roughness of Be window on the spatial coherence of hard X ray beams is investigated by means of digital simulation, in which the interference pattern of one fiber in line holography is employed to estimate the coherence. 以单丝的同轴全息干涉花样为判别标准,通过计算机数值模拟,研究了Be窗的表面粗糙度对硬X射线相干特性的影响。
Utilizing single photon incident method, the hard X ray continuum from interaction of intense ultrashort laser ( 130 fs, 10 16 W/ cm 2,744 nm) with solid plasma is measured. 利用单光子入射方法测量了高强度超短脉冲激光(130fs,1016Wcm2744nm)与固体等离子体相互作用产生的超快(ps)硬X射线(>30keV)能量连续谱。
Development of the pulsed azimuthal magnetic field device used in hard X ray experiment 用于产生硬X射线实验的角向脉冲磁场装置的研制
Comparing with treatments with~ ( 60) Co-γ-ray and hard X-ray in the past years, the inhibitive ratio to lymphocyte DNA Synthetic power by treating with soft X-ray is a little higher, within the range of low dosage, R, B.E. 受软X射线照射的淋巴细胞DNA合成能力的受抑率与前人用~(60)Co-γ射线和硬X射线相比,前者略高于后者,在低剂量范围内,R.B.E。
The penetrability is different between hard X-ray and soft X-ray. 从机卡分离到软硬分离&开放的机顶盒与CAX射线的穿透深度对硬X射线而言,穿透力是很强的。
The hard X-ray pinhole imaging method and its application in a simple mirror for measuring the radiation properties of ECR plasma are presented in this paper. 本文描述用硬X射线针孔成象法测量简单磁镜装置中ECR等离子体辐射特性的方法及其结果。
Establishment of a two dimensional finite element analysis model for hard tissue morphology on lateral cephalometric X ray film X线头颅侧位定位片硬组织形态二维有限元分析模型的建立
The evolution of hard X-ray energy spectrum in solar flares 太阳耀斑硬X射线能谱演变特征
The accelerated electrons approximately exhibit a power spectrum distribution. The calculated power index is basically consistent with the observed power index of electrons derived from the hard X ray and microwave burst in the impulsive phase of solar flare. 被加速电子近似呈幂律谱分布,其谱指数与耀斑脉冲相微波和硬X射线推断的电子谱指数基本吻合。
Results: A primary three dimensional finite element analysis model for hard tissue morphology X ray films was established, on which 23 landmarks were selected as nodes, and the craniofacial hard tissue was divided into 13 tetrahedral elements. 结果:选择头影测量硬组织标志点23个作为节点,颅颌面硬组织划分成13个四节点四面体单元,初步建立了一个颅颌面硬组织形态三维有限元分析模型。
One of the two best fit models, which consists of a thermal plasma component and two absorbed power law components, indicates that the central hard X ray source must be significantly obscured and the observed spectrum is flatter than any earlier ones. 两套辐射模型均可很好拟和X谱,其一由一个热成分和两个吸收成分组成,表明中心核区必定被严重吸收、导致X谱变得平坦;
In this paper the basic principle and the construction property of a hard X ray spectrometer composed of filtered difference detector arrays is briefly introduced. 介绍了利用滤片和Si半导体探测器差分阵列组合的硬X光谱仪的工作原理、结构性能和测谱特点。
Hard X-ray Holography 硬X射线全息术
Generation of intense pulsed super-hard X-ray 强脉冲超硬X射线产生技术研究
Degree of preferred orientation of hard Sr ferrite compacts molded with magnetic field was studied by X ray diffraction analysis. 利用X射线衍射分析方法,对湿压磁场成型的永磁铁氧体生坯晶体取向度进行了研究。
Crystal monochromator is the key part of the hard X ray beam line in the third synchrotron radiation source. 在第三代同步辐射光源中,晶体单色器是硬X射线光束线应用研究的核心装备。