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。
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
FREE-AIR IONIZATION CHAMBER USED IN ABSOLUTE MEASUREMENT OF LOW ENERGY X-RAYS
用于低能X射线绝对测量的自由空气电离室
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
Optimum Design of the Power Supply for the Indoor Negative Ion Air Cleaner with Heating Electrodes;
电极加热型室内负离子空气净化器电源的优化设计
An enclosed space in the bore of a gun that holds the charge.
药室枪炮的内腔装弹药的封闭空间
The linkage of direet acting isolation clearance and vacuum rac exting uishing chamber is adopted. It has the unction of hand operation and clectric operation.
采用直动式隔离断口和真空灭弧室联动。具有手动电动功能。
an ionization gauge
电离压力[真空]计
Evaluation on effect of air disinfection machine to disinfect air of stomatoloy consulting room
空气消毒机对口腔诊室空气消毒的效果评价
Ionization in a free-air chamber is the standard process for measuring x-and r-ray exposure(in roentgens).
自由空气电离室中的电离作用是量度x和r射线照射量（伦琴）的标准方法。
Ionization in a free-air chamber is the standard process for measuring x-and γ-ray exposure.
自由空气电离室中的电离作用是量度x和γ射线照射量的标准方法。
nization chamber detector
电离室型辐射控测器
tissue equivalent ionization chamber dosemeter
组织等效电离室剂量计
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
It virtually consists of an empty chamber completely lined with polyethylene.
它实际是一台完全用聚乙烯作衬里的空腔室。
There is a hole in the shaft through which the air from the upper chamber enters the lower one.
腔筒中心有一孔道，压缩空气就是由此从上气室进入下气室的。
Compared the disinfection effect of air disinfectant machine and ultraviolet disinfection in the implants operating room
应用两种空气消毒方法对口腔种植手术室空气消毒效果比较
reaction cavity
回授[反馈]电路中的空腔谐振器