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能区
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  energy region
    The determination of the absolute efficiency of a coaxial Ge(Li) detector in the energy region from 0.3MeV to 10MeV
    在0.3~10MeV能区内Ge(Li)探测器效率的绝对刻度
短句来源
    Self-consistent Calculation of the Real Parts of Nucleon-nucleus Optical Potentials in the Intermediate Energy Region
    中能区核子-核光学势实部的自洽计算
短句来源
    Theoretical calculation results are compared with existing experimental data and with the results of the evaluated ENDF/B6 file. As a whole,theoretical calculation results agree with the experimental data. Compared with the ENDF/B6 file,calculations of 3He are considered and the energy region is extended up to 200 MeV.
    将计算结果与实验数据及ENDF/B6评价库进行了比较,计算结果与实验数据基本一致,与ENDF/B6相比,增加了3He的计算,且将能区上推至200 MeV。
短句来源
    CALCULATION OF THE OPTICAL MODEL OF NEUTROM INDUCED NUCLEAR REACTION ON 113 Cd IN THE 0 01~20MeV ENERGY REGION
    ~(113)Cd在0.01~20MeV能区中子诱导核反应的光学模型计算
短句来源
    APMN-A Program for Automatically Searching Optimal Optical Potential Parameters in ≤300 MeV Energy Region
    自动获得300 MeV以下能区光学模型势参数的程序APMN
短句来源
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  energy range
    CALIBRATION OF X-RAY SCINTILLATION DETECTORS IN 1-KEV TO 1000-KEV ENERGY RANGE
    1~1000keV能区X射线闪烁探测器灵敏度的标定
短句来源
    Measurement of neutron capture cross-section for  ̄(152)Sm in energy range of 22-1019keV
    ~(152)Sm的22-1019keV能区中子俘获截面的测量
短句来源
    MEASUREMENT OF NEUTRON CAPTURE CROSS SECTION OF Eu IN THE ENERGY RANGE FROM 22 TO 1100 keV
    22~1100keV能区Eu中子俘获截面的测量
短句来源
    CALIBRATION OF NEUTRON DETECTION EFFICIENCY FOR A STILBENE SCINTILLATOR DETECTOR IN THE ENERGY RANGE OF 18 27MeV
    18-27MeV中子能区的有机闪烁体探测器的效率刻度
短句来源
    MEASUREMENT OF NEUTRON CAPTURE CROSS SECTION OF 59 Co IN THE ENERGY RANGE 29 TO 1100keV
    29~1100keV能区~(59)Co中子俘获截面的测量
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  “能区”译为未确定词的双语例句
    ~6Li Glass Detector for keV Neutron
    用在keV能区的~6Li玻璃中子探测器
短句来源
    ENERGY RESPONSE OF A φ 76mm×100mm BGO SCINTILLATION DETECTOR FOR GAMMA-RAYS BELOW 20 MeV
    φ76mm×100mm BGO闪烁探测器在20 MeV以下能区的能量响应
短句来源
    Preequilibrium Neutron Emissions from Nucleus-Nucleus Collisions in Fermi Domain
    Fermi能区核-核碰撞的平衡前中子发射
短句来源
    INTRINSIC EFFICIENCIES AND γ-DOSE DETERMINATIONSFOR HPGe DETECTOR AT MeV REGION
    MeV能区HPGeγ探测器本征效率和γ剂量的确定
短句来源
    Study of Collective Matter Flow in Intermediate Energy
    中能区核物质集体流的研究
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  energy region
The development of avalanches of relativistic runaway electrons is investigated in an experiment similar to the classical Townsend experiment, but in the relativistic energy region.
      
They are complex in shape; in particular, an intense Wien emission component is formed in their high-energy region at high accretion rates.
      
Comparison of the nucleon spectrum with the proton spectrum indicates that the contribution of nucleons from nuclei increases toward the 100-TeV energy region compared to the 1-TeV region.
      
It is shown that in the energy region ~1018-1019 eV the spectrum probably coincides with the injection spectrum whose exponent is equal approximately to 3.2-3.3.
      
The flatter component in the energy region (3.2-5.0)×1019 eV is due to braking of extragalactic protons on primordial photons (the cosmic background radiation).
      
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  energy range
We present the results on variations of ion spectra in the energy range from 1 keV to 3 MeV.
      
The theory predicts that in the 1-100 MeV energy range, where the adiabatic cooling of particles is dominant, ν = 1, while we have derived a ν double-peak distribution.
      
Using the data of ground-based and satellite measurements of the CR intensity in the period under study, we have investigated variations of the rigidity spectrum of protons in the energy range from ~15 MeV to tens of GeV.
      
A new method of determining the spectral index for protons in the energy range about 1013 eV
      
Moreover, they will enable us to considerably extend the accessible energy range and to check predictions of various models of the origin of the highest-energy particles in the Universe.
      
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The absolute efficiencies were calibrated between 60-3500keV for Ge(Li) detector by using 75Se, 152Eu, 56Co and calibrated sources 113mIn, 60Co. Cubic spline function have been served as functional fit to interpolate the 33 experimental points. The uncertaincy in absolute photopeak efficiency is within 4%.

在60~3500keV能区,用~(75)Se,~(152)Eu及~(56)Co对Ge(Li)探测器作了相对效率刻度,并用标定过强度的~(113m)In、~(60)Co作了绝对效率刻度。应用三次样条函数做拟合内插,由加权平均的归一化系数,给出这能区中33个点的绝对效率及其误差值。γ能谱由自动解谱程序分析。能区中任一点的绝对效率及其误差,可由三组三次样条函数拟合内插程序算出,绝对效率值的误差<±4%。

This Paper describes a thin NaI(Tl)spectrometer formeasurement of characteristic X-ray or low energy γ-ray.Integralbackground of the spectrometer is 61.3 cpm within the energy range from4 to 120 keV.Energy resolution of the spectrometer is about 30.8% for 31keV X-ray.Integral nonlinearity of the spectrometer is better than 2%within the energy range from 5 to 150 keV.For ~(133)Ba point source,counting time 300 minutes,the minimum detectable activity of theSpectrometer is about 5.5×lO~(-13)Ci with a confidence...

This Paper describes a thin NaI(Tl)spectrometer formeasurement of characteristic X-ray or low energy γ-ray.Integralbackground of the spectrometer is 61.3 cpm within the energy range from4 to 120 keV.Energy resolution of the spectrometer is about 30.8% for 31keV X-ray.Integral nonlinearity of the spectrometer is better than 2%within the energy range from 5 to 150 keV.For ~(133)Ba point source,counting time 300 minutes,the minimum detectable activity of theSpectrometer is about 5.5×lO~(-13)Ci with a confidence leyel of 99.7%.

本文介绍了一台测量特征 X 射线(或低能γ射线)的薄 NaI(Tl)晶体谱仪。在4至120千电子伏能区内,积分本底是61.3计数/分;对31千电子伏光子的能量分辨率约为30.8%;在5至150千电子伏能区內,积分非线性好于2%;对~(133)Ba 源,测量300分钟,最小可探测活度为5.5×10~(-13)居里。

We have measured the responses of leake counter for thermaland middle-energy neutrons.The neutron sources used are reactor thermalcolumn,filtered neutron beam(0.186,24.4 and 144KeV)and ~(124)Sb-Be so-urce.For the filtered ncutron beam with energy of 24.4 KeV and Sb-Beneutron source,the response values obtained are in good agreement with thoseof reported measurement;however,for thermal neutrons,the response valueobtained is twice as large as that of Leake's measurement.After comparingthe results of these experiments...

We have measured the responses of leake counter for thermaland middle-energy neutrons.The neutron sources used are reactor thermalcolumn,filtered neutron beam(0.186,24.4 and 144KeV)and ~(124)Sb-Be so-urce.For the filtered ncutron beam with energy of 24.4 KeV and Sb-Beneutron source,the response values obtained are in good agreement with thoseof reported measurement;however,for thermal neutrons,the response valueobtained is twice as large as that of Leake's measurement.After comparingthe results of these experiments with those of the calculated response,it isfound that the measured responses are larger than those of the calculation,cxcept for a small energy region around 20KeV.And when the calculatedvalues are multiplied by 1.4,the resultant values will be in good agreementwith those of the measurements.

本工作测量了利克计数器对热能和中能中子的响应。中子源包括反应堆热柱、过滤中子束(0.186,24.4及144千电子伏)和~(124)SbBe 源。对于24.4千电子伏过滤中子束和 SbBe 源,本工作的结果与文献报道的数据很好地符合,但对热中子得到的结果比报道的数据约大1倍。除20千电子伏附近的一小段能区外,文献报道的用蒙特卡罗法计算的理论响应普遍低于本实验值,仅当乘以系数1.4时,才与实验值较好地符合。

 
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