In order to measure the sand concentration distribution by using a ray density meter, a measuring-path adjusting device is designed.
泥砂浓度沿管道截面的分布与管道固液两相流动特性有着密切的关系；为了采用伽玛射线密度计测量泥砂浓度沿管道截面的分布，设计了一种测量通道调节机构，使放射源与探测器能够扫过整个管道截面；提出了一种简便易行的密度计标定方法；实验室实测表明，密度标定及测量方法可行，测量精度可以达到。
Monte Carlo simulation of transfer coefficient of γ-ray density meter;
γ射线密度计传输特性的Monte Carlo模拟
Application of Photomultiplier Tube in γ-ray Density Gauge
光电倍增管在γ射线密度计中的应用
gamma-ray absorption fluid density meter
伽马射线吸收型流体密度计
gamma-ray penetration type liquid density meter
γ射线穿透式液体密度计
density meter(of ionizing radiation)
（电离辐射）密度计
X-ray quantometer
X射线幅射强度测量计
modulated beam microdensitometer
调制射束显微密度计
Density meters utilizing ionizing radiation
GB/T13980-1992电离辐射密度计
ionizing radiation transmission density meter
电离辐射透过式密度计
scanning transmission microdensitometer
扫描透射显微密度计
scanning reflective microdensitometer
扫描反射显微光密度计
radioisotope densimeter
放射性同位素密度计
Fabrication of high-aspect-ratio and high-density X-ray transmission grating
大高宽比、高线密度X射线透射光栅的制作
ionizing radiation backscatter soil density meter
电离辐射反散射土壤密度计
ITPR (Infrared Temperature Profile Riometer )
红外温度廓线辐射计
x ray spectrophotometer
x 射线分光光度计
medium resolution infrared radiometer
中清晰度红外线辐射计
Study on Bone Density Measurements with Fan-beam Dual Energy X-ray Sources
扇束双能X射线骨密度测量方法研究
The ratio of the microwave radiation to the X-ray bremsstrahlung radiation is dependent on the density in the emitting region.
微波辐射与X射线韧致辐射的比值与发射区的密度有关。