1.
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
2.
gamma-ray absorption fluid density meter
伽马射线吸收型流体密度计
3.
gamma-ray penetration type liquid density meter
γ射线穿透式液体密度计
4.
density meter(of ionizing radiation)
（电离辐射）密度计
5.
X-ray quantometer
X射线幅射强度测量计
6.
modulated beam microdensitometer
调制射束显微密度计
7.
Density meters utilizing ionizing radiation
GB/T13980-1992电离辐射密度计
8.
ionizing radiation transmission density meter
电离辐射透过式密度计
9.
scanning transmission microdensitometer
扫描透射显微密度计
10.
scanning reflective microdensitometer
扫描反射显微光密度计
11.
radioisotope densimeter
放射性同位素密度计
12.
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
13.
ionizing radiation backscatter soil density meter
电离辐射反散射土壤密度计
14.
ITPR (Infrared Temperature Profile Riometer )
红外温度廓线辐射计
15.
x ray spectrophotometer
x 射线分光光度计
16.
medium resolution infrared radiometer
中清晰度红外线辐射计
17.
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
18.
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。