绝对测量

放射性绝对测量中测量时刻的选择

Selection of the measuring time in the absolute counting of radioactivity

液体闪烁符合法绝对测量~（14）C核素的活度

Absolute Measurement of the Activity of ~ ( 14 ) C Nuclide with Liquid Scintillation Coincidence

用于低能X射线绝对测量的自由空气电离室

Free-air ionization chamber used in absolute measurement of low energy X-rays

非圆截面环流器硬X射线辐射强度的绝对测量

Absolute measurement of hard X-ray radiation intensity in non-circular cross section Tokamak

X射线绝对测量

The measurement of absolute intensity of x - ray

低能X射线照射量绝对测量

Absolute measurement of low energy X-ray exposure

电子俘获核素~（65）Zn的绝对测量方法

Absolute measuring method about electron capture nuclear ￣ ( 65 ) Zn

HP的液体闪烁测量法一种提高液体闪烁绝对测量探测效率的方法

Method of improve detection efficiency for liquid scintillation absolute measurement

~（141）Ce标准溶液制备与绝对测量

Preparation and absolute measurement of ~ ( 141 ) Ce standard solution

X射线荧光分析中的准绝对测量方法

Quasi-absolute surveying in XRF

本文介绍液体闪烁计数法绝对测量~3H、~（14）C活度的装置，测量结果和比对情况。

This paper describes the apparatus , the results of measurements and the comparison of 3H , 14C activity with liquid scintillation counting method .

绝对测量~（220）Rn的小闪烁室的研制

Small scintillation cell of absolute measurement ~ ( 220 ) Rn

详细介绍了一种用于绝对测量220Rn的结构特殊的ZnS（Ag）小闪烁室。

A special structure small scintillation cell of absolute measurement () ~ ( 220 ) Rn is described .

热中子和裂变谱中子诱发~（235）U裂变时几个核素累计产额的绝对测量

The absolute determination of cumulative yield of several nuclides from thermal neutron and fission spectrum neutron induced fission of ~ ( 235 ) u

用井型Nal（TI）探测器绝对测量~（125）I活度

The Absolute Measurement of ~ ( 125 ) I Activity with the Well-type Nal ( TI ) Detector

本文分别以CdS和单晶硅为材料放入积分球系统中进行反射和透射的绝对测量。

This paper carries out the absolute measurement of the reflectance and transmission of CdS and silicon based on the integrating sphere .

量块检测过程中，高于二等和K级的量块工作长度就必须借助绝对测量。利用条纹法、二维FFT法和莫尔条纹法可以准确得到干涉条纹小数部分。

In the measurement process of the gauge block , higher than the second grade and K level gauge length must be measured with the interference absolute method .

内充气正比计数管系统绝对测量~（87）Kr放射性活度浓度

Absolute Measurement of Activity Concentration of ~ ( 87 ) Kr by Using Internal Gas Proportional Counting

本文介绍10～50kV低能X射线照射量绝对测量装置及其有关修正系数。

Absolute determination equipment of exposure for 10-50 kilovolt X-ray and correction factors were described in this paper .

万有引力常数G是一个与理论物理、地球物理和天体物理密切相关的基本物理常数，但G值的高精度绝对测量面临着种种困难。

The gravitational constant G is an important fundamental physics constant closely related to theoretical physics , astrophysics and geophysics , the precise measurement of G is faced with various kinds of difficulties and challenges , however .

介绍了一种新型的光纤温度传感器，它基于Fabry-Perot自光干涉原理，可对温度进行绝对测量。

The optical fiber temperature sensor based on Fabry-Perot white-light interferometric principle , which is capable of providing absolute temperature measurement 's introduced .

本文介绍了用4πPC-Ge（Li）符合方法绝对测量复杂衰变核素活度的装置。

This paper describes a 4 π PC-Ge ( Li ) coincidence instrument for absolutely measuring the activity of radionuclides .

采用这套绝对测量系统，可以实现长度为2m以内的绝对距离测量，定位精度可以达到±0.5μm。

With optical multiplication absolute distance measurement technique , the measurement of absolute distance up to 2 meter is achieved , with the positioning accuracy of ± 0.5 μ m.

T-T势在短程区的推广对脉冲力绝对测量的研究

T T POTENTIAL WAS EXTENDED TO SHORT DISTANCE Study on the Measurement of Short Distance Force Pulses

对Ar~（2+）与Li，Na碰撞过程中由于单电子俘获而产生的Arll谱线进行了绝对测量，给出各谱线的发射截面数据。

Absolute measurements of emission cross sections have been performed for the lines from Arll excited states in Ar ~ ( 2 + ) + Li and Ar ~ ( 2 + ) + Na collision .

设计和实验研制了用于脉冲中子源中子产额绝对测量的阵列BF3计数器，并在加速器上进行了DT中子灵敏度标定实验。

The array BF_3 detector was designed and developed for measuring DT pulse neutron yields . The detection sensitivity of detector was calibrated by a series of neutron measurement on the accelerator .

利用Bruning绝对测量方法对EUVL微缩投影光学系统的两个球面进行了高精度检测，检测的精度比用Zygo干涉仪直接检测有明显的提高。

Using Bruning method , the two spherical mirrors of the Schwarzschild objective are measured and the measurement accuracy is improved obviously .

本文简要介绍了化学测量溯源性和具有绝对测量性质的同位素稀释质谱法（IDMS），并应用该法为国际测量评估计划（IMEP-9）河水样品中的钾提供可直接溯源到SI单位的标准值。

This article briefly described the chemical measurement traceability and isotope dilution mass spectrometry that has the potential to be primary method , and also described how to provide the Si-traceable value of K in river water by the means of IDMS .

我们采用KX射线和γ射线的探测效率符合相加原理，选用4π井形NaI晶体测量装置对125I的活度进行绝对测量。

We selected 4 π NaI crystal measure device In the form of a well in order to absolute measure the activity of () ~ ( 125 ) I applying detectable efficiency KX ray and γ ray coincidence to a theory of addition .

电容损耗因数的绝对测量及传递装置

An Apparatus for Measuring True Value of Dissipation Factor of Capacitor