Based on the Bragg-Gray’s cavity theory,a fundamental foimula for the exposureand absorbed dose of X-ray or γ-ray is given when the measurement is proceed bya cavity ionization chamber.
以布拉格-格雷(Bragg-Gray)的空腔理论为依据,推导了用空腔电离室测量X、γ射线照射量和吸收剂量的基本关系式,空腔电离室设计计算方法,给出了计算实例,结果表明,提出的设计计算方法是有效的。
It is shown that seismic activities can arouse the earth-ionosphere cavity resonance anomalies from the observation for many years.
多年来的观测研究表明,地震活动可能引发地球-电离层空腔共振异常。
Design and saturation characteristics of tissue-equivalent cavity ionization chamber;
组织等效空腔电离室设计与饱和特性研究
bragg gray cavity ionization chamber
布喇格 格雷空腔电离室
Studies on the General Cavity Theory Based on Virtual Electron Source Concept;
基于虚源概念的空腔电离室理论研究
Research on Seismic-Electromagnetic Observation Method Based on Earth-ionosphere Cavity Resonance
基于地球-电离层空腔共振的地震电磁监测方法研究
an ionization gauge
电离压力[真空]计
COMPUTATION AND ANALYSIS ON THE IMPELLER BACKSIDE CAVITY OF A CENTRIFUGAL COMPRESSOR
离心压气机轮盘空腔流场计算与分析
reaction cavity
回授[反馈]电路中的空腔谐振器
air isolation integrated circuit
空气隔离型集成电路
Bayard-Alpert ionization gauge
巴雅-阿尔培电离真空计
Bayard-Alpert ion gauge
B-A型电离真空计
Study of Cavity Formation and Helium Desorption in Crystalline Si Implanted with He Ions;
He离子注入单晶硅空腔生长及He热释放研究
Study of Electromagnetic Held Distribution and Plasma Character in Microwave Reactor;
微波反应腔中电磁场分布与等离子体行为研究
Endoscopic treatment of urethral stricture by improved triangular plasma electrode
改良可调节等离子电极腔内治疗男性尿道狭窄
Electric-optically Q-switched and Cavity-dumped RF Waveguide CO_2 Laser;
电光调Q及腔倒空射频激励波导CO_2激光器
Electro-optically cavity-dumped Nd:YLF lasers with high beam quality and short pulse
高光束质量短脉宽电光腔倒空Nd:YLF激光器
The ionosphere is that region of space contatining electrically charged species.
电离层是指含有带电物质的空间区域。
Corona Discharge and Ionic Wind in Air Cleaning Processes
空气净化过程中的电晕放电与离子风
Interference Effect and Space Angular Distribution of the Ionization Photoelectron
电离光电子的干涉效应与空间角分布
reentrant cylindrical cavity
圆柱形凹腔, 半同轴空腔