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测量
    The measured range for the gold layer thickness is less than 10pm and the precision of measurement is better than ±0.5μm.
    仪器的测量厚度范围不大于10μm,测量精密度小于±0.5μm。
    For example, the range of the thickness measurement for magnetic coating layer of the magnetic disc is M=50-500μg/cm2, the precision of coating thickness measurement is better than ± 4% (M = 100μg/cm2).
    如对磁盘磁层的测量范围M=50—500μg/cm~2,测量精确度好于±4%(M≥100μg/cm~2)。
    The precision of the thickness measurement is better than 5% when thickness of coating is over 1μm.
    当厚度大于1μm时,测量精度好于5%。
    The bi4π counting method as a new fundamental method of activity measurement is introduced.
    本文介绍了一种新的测量放射性活度的计数器及基础测量方法——双4π计数方法。
    Method of Absolute neutron flux measurement is presentedin this paper.
    本文介绍了绝对中子通量测量方法,给出了各辐照腔典型位置上的绝对中子通量及其与全堆平均中子通量的比值。
    The precision of the moisture measurement is ±0.40wt%, ±0.42wt% and ±0.65wt% respectively.
    测量水分的精度分别为±0.40wt%、±0.42wt%和±0.65wt%。
    In the experiment,the neutron yield of the accelera-tor is 3.2 × 10 ̄9n/s. The sensitivity of the active measurement is 1g ̄(235)U/busket.
    实验中所采用的加速器中子产额为3.2×10 ̄9s_(-1),测量灵敏度为1g ̄(235)U/每篮壳。
    R_(Cd) measurement is a commonly used reactor neutron flux dinsity measurement.
    镉比R_(Cd)测量是常用的堆内中子测量
    The cross sections for the ̄(151) Eu(n,) ̄(152m,g)Eu and ̄(153)Eu(n,γ) ̄(154)Eu reactions havebeen measured relative to that of gold for neutron energy from 22 to 1100 keV,using the activationtechnique. The accuracy of the measurement is 6%~7%. The experimental results were comparedwith existing data.
    用活化法相对于Au的中子俘获截面,测量了22~1100keV能区~[5]Eu(n,γ)~(152g,m)Eu和~(153)Eu(n,γ)~(154)Eu的反应截面,测量精度为6%~7%,并将测量结果与现有实验数据作了比较.
    The linear correlation coefficient is 0.999 and precision of the boron content measurement is better than 0.5%.
    线性相关系数为0.999,测量精度好于0.5%。
    The errors of experimental measurement is better than 10%.
    实验测量结果误差小于10%。
    By means of measurement is presented also radial and azimuthal current density on the beam crosssection in different time, and energy fluence on beam spot center with 13% more than its average value for the beam.
    测量还给出了不同时刻束截面上的径向和角向束流密度分布,而束斑中心处的能注量高于平均值约13%。
    <Abstrcat> A 4πβ+4πγ equipment for radioactivity measurement is made up of a 4π flow-gas proportional counter, a well-type NaI(Tl) detector and a HPGe detector.
    4πβ+4πγ活度测量装置由4π流气式正比计数器、井型NaI(Tl)探测器和HPGe探测器构成。
    The factor K_(wall) to correct for photon attenuation and scatter in the wall of the 30 cm~3 and 10 cm~3 spherical chamhers at National Institute of Metrology for ~(60)Co air kerma measurement is determined by Monte-Carlo calculation and experimental meas- urement.
    采用Monte-Carlo模拟和实验测量两种方法对30 cm~3和10cm~3球形石墨空腔电离室在~(?) Coγ射线下的壁修正因子K_(wall)进行研究。
 

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