The basic principles and sensor construction of several methods used for measurement of void fraction in cryogenic two-phase flow were reviewed,including attenuation sensors,microwave type,RF sensors,and capacitance type.
对目前几种用于测量低温气液两相流空泡率方法的基本原理、传感器结构及国内外研究情况进行了综述,包括辐射法(射线吸收法)、微波法、射频法、电容法,分析了4种方法的优缺点,在比较4种方法的基础上,提出了目前采用电容传感器测量气液两相低温液体空泡率的优势及设计准则。
Measuring the Common Dust Concentration of Air in Railway Workplace with β-ray Absorption Method
β射线吸收法测量铁路作业场所空气常见粉尘浓度
The ratio of absorbed to incident radiation.
吸收比吸收投射的辐射线的比率
X-ray fluorescence absorption
爱克斯射线荧光吸收
X-ray absorption spectrometer
X射线吸收式光谱仪
soft X-ray absorption spectroscopy
软Ｘ射线吸收光谱术
X-ray absorption near edge structure
Ｘ射线吸收近边结构
The Set-Up of Magnetic Circular Dichroism Absorption Spectroscopy of Hard X-Rays Range at Beijing Synchrotron Radiation Laboratory;
硬X射线磁圆二色吸收谱实验方法的建立
the reduction of the intensity of radiation as a consequence of absorption and radiation.
放射线的强度由于辐射和吸收而减少。
gamma absorptiometer
γ射线吸收测量仪;γ射线吸收计(测铀钚等浓度用)
CALCULATION OF THE ABSORBED DOSE FOR THE γ-RAY IN THE WATER PHANTOM BY MONTE CARLO METHOD
用蒙特卡罗方法计算γ射线在水体膜中的吸收剂量(英文)
Determination of Procaine Hydrochloride in Injection by absorbance linear-combination spectrophotometry (ALCS)
吸收度线性组合分光光度法测定盐酸普鲁卡因注射液含量
FAAS Determination of Palladium with FI-On-line Pre-enrichment
流动注射在线分离富集-火焰原子吸收光谱法测定钯
extended x ray absorption fine structure
扩展x射线吸收精细结构
gamma-ray absorption fluid density meter
伽马射线吸收型流体密度计
International XAFS Society (IXS)
国际X射线吸收精细结构学会
portable X-ray absorption analyzer
便携式X射线吸收分析仪
beta absorption gauge
按吸收原理工作的β射线测量计
Strictly speaking, it is not possible to absorb gamma rays completely.
严格来说，不可能把γ射线全部吸收掉。
