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宽能区
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  wide energy range
     A system of proton-recoil neutron spectrometers with high detection efficiencies over wide energy range isdescribed.
     基于质子反冲方法,建立了一套宽能区、高效率的中子谱仪系统。
短句来源
  wide region
     Progress in the Efficiency Precision Calibration of Full-energy Peak for γ-ray Detector in a Wide Region of 2.7~10.0 MeV
     γ射线探测器在宽能区光峰效率精密刻度进展
短句来源
  wide energy region
     A STUDY ON THE γ-γ SPECTROMETRIC METHOD OVER A WIDE ENERGY REGION FOR DETERMINATION OF THE COEFFICIENT OF RADON EMANATION OF URANIUM ORE SAMPLES
     测定铀矿样中Rn射气系数的宽能区γ-γ能谱法探讨
短句来源
     A rapid, simple and reliable y-y energy spectrometric method for determination of the coefficient of radon emanation of uranium ore samples is proposed. It is based on the counts measured over a wide energy region without sample sealing for accumulation of radon emanation.
     在γ能谱简便法基础上,本文提出了用宽能区测得的计数,不要封样进行射气积累,就能快速、简便、可靠地测定铀矿样中氡射气系数的宽能区γ-γ能谱法。
短句来源
  “宽能区”译为未确定词的双语例句
     NON-RUTHERFORD SCATTERING CROSS SECTIONS FOR 160° BACKSCATTERING OF 0.4~2.6 MeV PROTONS FROM ALUMINUM
     0.4~2.6 MeV宽能区质子在轻核Al上160°背散射截面测量
短句来源
     Differential elastic 160° backscattering cross sections of 0.4-2.6 MeV protons for! aluminum are measured. The analyzed proton beams are provided by a 2×1.7 MeV accelerator at Beijing Normal University.
     应用北京师范大学2×1.7 MeV串列加速器提供的质子束,采用相对测量方法测量了0.4~2.6 MeV宽能区质子在轻核Al上160°背散射截面.
短句来源
     Overall, pulse photon fluences in the pulse accelerator and the radiation field caused by pulse reactor have been obtained by strict experimental studies and theoretical calculation in this paper.
     简而言之,通过严格的实验研究和理论计算,本文测得了 12MV脉冲加速器的 X射线谱和 LIFTLD对较宽能区的中子的 LET效应因子值,并通过研制的均匀固体电离室测得了脉冲加速器和脉冲堆辐射场的光子注量,解决了几个相关的技术难题,为核爆诊断探测器的标定提供了技术支撑。
短句来源
     In recent years on nuclear physics and allied discipline fundamental research, nuclear energy and nuclear science technical application middle big city lodge versus spread solstice still wide nuclide section, continue to still width energy region appraise nuclear data extend still width energy region need for, , considering these region experiment nuclear data pinch, hence appraise nuclear data won can but through the medium of model theory .
     近年来在核物理及相关学科基础研究,核能及核科学技术应用中都提出对扩展至更广核素区,延伸至更宽能区评价核数据的需要,由于这些区域实验核数据的匮乏,因此评价核数据的获取只能通过模型理论计算得到。 评价核数据更多地依赖于模型理论计算是当前核数据发展的一个重要趋势。
短句来源
     It is composed of a parallel plate avalanche counter(PPAC),anionization chamber(IC)and a phoswich.
     它由一个平行板雪崩探测器(PPAC),一个电离室(IC)及一个光迭层探测器(phoswich)组合而成. 它适合于很宽能区内轻粒子和重碎片的测量.
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      wide energy range
    Optical Spectra of Arsenic Chalcogenide Glasses over a Wide Energy Range of Fundamental Absorption
          
    Optical Spectra of Amorphous and Polycrystalline Beryllium Oxide over a Wide Energy Range of Fundamental Absorption
          
    We mapped this region of the sky in a wide energy range, from 3 to 200 keV.
          
    We analyze the observations of the X-ray pulsar LMCX-4 performed by the INTEGRAL observatory and the All-Sky Monitor (ASM) of the RXTE observatory over a wide energy range.
          
    Subcascade development is described, and a relation between the number of Frenkel pairs and the energy of the primary knock-on atom is found for a wide energy range.
          
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      wide region
    In the case of strongly charged polyelectrolytes, the partial dissolution of precipitates was observed preceding the wide region of destabilization.
          
    This domain is located inside the wide region of Cooper instability.
          
    The γ* → γ(π, η, η') transition form factors are calculated for a wide region of the momentum transfer.
          
    A wide region of average densities was investigated corresponding to the Fermi momentum values kF = 0.6-1.2 fm-1
          
    An increase in the Mw of hydroxypropylcellulose to 1500 leads to the appearance of a wide region of amorphous phase segregation with a UCST, whereas the liquidus line is conserved at high concentrations of hydroxypropylcellulose.
          
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      wide energy region
    Hadron production in proton-proton interactions is described in the framework of a collision model, which aims at describing simultaneously all reaction channels in a wide energy region.
          
    Problems of the electronic structure of nonmetals in a wide energy region of fundamental absorption (review)
          
    The article surveys the main unsolved problems of the electronic structure of nonmetals in a wide energy region of fundamental absorption.
          


    A rapid, simple and reliable y-y energy spectrometric method for determination of the coefficient of radon emanation of uranium ore samples is proposed.It is based on the counts measured over a wide energy region without sample sealing for accumulation of radon emanation.The experimental results show that this method can be trial-used for β-γ-γ or γ-γ energy spectrometric analyses indoors, and is recommended for testing in radiation sampling with the concentric double directional YYYY-energy spectrum in tunnels...

    A rapid, simple and reliable y-y energy spectrometric method for determination of the coefficient of radon emanation of uranium ore samples is proposed.It is based on the counts measured over a wide energy region without sample sealing for accumulation of radon emanation.The experimental results show that this method can be trial-used for β-γ-γ or γ-γ energy spectrometric analyses indoors, and is recommended for testing in radiation sampling with the concentric double directional YYYY-energy spectrum in tunnels of uranium mines.

    在γ能谱简便法基础上,本文提出了用宽能区测得的计数,不要封样进行射气积累,就能快速、简便、可靠地测定铀矿样中氡射气系数的宽能区γ-γ能谱法。实验结果表明:本方法可在室内的β-γ-γ能谱法或γ-γ能谱法分析时试行,也可在铀矿坑道内进行同中心γ能谱双重定向辐射取样中开展实验。

    A large range combined detector is described.It is composed of a parallel plate avalanche counter(PPAC),anionization chamber(IC)and a phoswich.It was tested with the fragments at 30° produced by the reaction 96MeV ~(16)O+~(51)V on the 1.7m cyclotron in IMP.The heavy-fragment telescope composed of the(IC)and the phoswich gives excellent charge resolution ΔZ/Z≈5%(FWHM)for oxygen,and the phoswich itself gives good particle resolution for the light particles such as p,d,t,α etc.

    本文描述一个大量程粒子望远镜.它由一个平行板雪崩探测器(PPAC),一个电离室(IC)及一个光迭层探测器(phoswich)组合而成.它适合于很宽能区内轻粒子和重碎片的测量.该探测器在近代物理研究所1.7米迴旋加速器上用96MeV~(16)O+~(51)V反应中30°方向上的产物进行了调试,测量结果表明,电离室和Phoswich构成的望远镜对电荷数Z>2的粒子给出了极好的分辨(_8~(16)O的Z分辨达到5%);Phoswich本身对H、d、t、α等轻粒子也给出了相当好的分辨.

    A system of proton-recoil neutron spectrometers with high detection efficiencies over wide energy range isdescribed. The neutron spectra in the range from 2 0 keV to l 7 MeV were measured in five sections by threespherical proportional counters filled with H_2 or CH_4 gas with different pressure and an organic scintmator detector, respectively. Two techniques of the pulse shape discrimination were employed for two types of detector to eliminate gamma ray backgroun. Measured protonreoil pulse height distributions...

    A system of proton-recoil neutron spectrometers with high detection efficiencies over wide energy range isdescribed. The neutron spectra in the range from 2 0 keV to l 7 MeV were measured in five sections by threespherical proportional counters filled with H_2 or CH_4 gas with different pressure and an organic scintmator detector, respectively. Two techniques of the pulse shape discrimination were employed for two types of detector to eliminate gamma ray backgroun. Measured protonreoil pulse height distributions were unfolded to Obtain neutronenergy spectra by using neutron response matrix calculated by the Monte Carlo cede for each detector; Theneutron detection efficiencies of this system are of 0. 0l~0.l in overall energy region. The energy resolutionsare within 5%~20%and the errors per energy interval are within ±10%。(

    基于质子反冲方法,建立了一套宽能区、高效率的中子谱仪系统。分别用三支充不同气压氢和甲烷的球形正比计数管和一个有机闪烁探测器分段测量20keV~17MeV的中子能谱。为了去除γ射线本底,对两种探测器分别采用了两种不同的脉冲形状甄别技术。谱仪直接测量的是中子在探测器中产生的反冲质子脉冲幅度谱,通过解矩阵方程的方法得到中子谱,解谱中所用的各个探测器的中子响应矩阵均由蒙特-卡洛方法计算得到。谱仪在全能区的中子探测效率10 ̄(-2)~10 ̄(-1),能量分辨为5%~20%,能谱测量的误差小于±10%。

     
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