（汉英）GBT 12604-2005无损检测 术语

吸收 absorption 活度 activity 老化灰雾 ageing fog 阳极 anode 阳极电流 anode current 伪像(假显示) artefact(false indication) 衰减 attenuation 衰减系数μ attenuation coefficient 平均梯度 average gradient 背散射 back scatter 背散射线 back scattered radiation 射束角 beam angle 电子回旋加速器 betatron 遮挡介质 blocking medium 累积因子 build－up factor 暗盒、暗袋 cassette 阴极 cathode 已校验的阶梯密度片 calibrated density step wedge (胶片的)特性曲线 characteristic curve(of a film) 清澈时间 clearing time 准直 collimation 准直器 collimator 康普顿散射 Compton scatter 计算机层析成像 computerized tomography(CT) 恒电势电路 constant potential circuit 连续谱 continuous spectrum 对比度 contrast 反衬介质 contrast medium 对比灵敏度(厚度灵敏度) contrast sensitivity (thickness sensitivity 衰减曲线 decay curve 密度计 densitometer (胶片或相纸的)显影 development(of a film or paper) 衍射斑纹 diffraction mottle 剂量计 dosemeter(dosimeter) 剂量率计 dose rate meter 双焦点管 dual focus tube 双线像质计、双丝像质计、双线图像质量指示器 duplex wire image quality indicator 边缘遮挡材料 edge一blocking material 均值过滤器(射线束致平器) equalizing filter(beam flattener) 等效X射线电压 equivalent X－ray voltage 曝光 exposure 曝光计算器 exposure calculator 曝光曲线 exposure chart 曝光宽容度 exposure latitude 曝光时间 exposure time 片基 film base 胶片梯度G film gradient 观片灯(观察屏) film illuminator(viewing screen) 胶片处理 film processing 胶片系统速度 film system speed 滤光板 filter 定影 fixing 探伤灵敏度 flaw sensitivity 荧光增感屏 fluorescent intensifying screen 金属荧光增感屏 fluorometallic intensifying screen 荧光透视 fluoroscopy 焦点 focal spot 焦点尺寸 focal spot size 焦距ffd focus－to－film－distance 灰雾度 fog density 伽玛射线照相 gamma radiography 伽玛射线、γ射线 gamma rays 伽玛射线源 gamma－ray source 伽玛射线源容器 gamma－ray source container 几何不清晰度 geometric unsharpness 颗粒性 graininess 颗粒度 granularity 半衰期 half life 半价层HVT half value thickness 光源 illuminator 图像对比度 image contrast 图像清晰度 image definition 图像增强 image enhancement 图像增强器 image intensifier 像质、图像质量 image quality 像质计、图像质量指示器IQI image quality indicator 像质值、图像质量值 image quality value IQI灵敏度 IQI sensitivity 入射射线束轴线 incident beam axis 工业放射学 industrial radiology 固有过滤 inherent filtration 固有不清晰度 inherent unsharpness 增感因子 intensifying factor 增感屏 intensifying screen 潜影 latent image 直线电子加速器 linear electron accelerator(LINAC) 屏蔽 masking 金属屏 metal screen 微焦点射线照相 microfocus radiography 调制传递函数MTF modulation transfer function 运动不清晰度 movement unsharpuess 工件对比度 object contrast 工件至胶片距离 object－to－film distance 周向曝光 panoramic exposure 透度计 penetrameter 压痕 pressure mark 初始射线 primary radiation 投影放大率 projective magnification 投影放大技术 projective magnification technique (射线束)质量、(射线)质 quality(of a beam of radiation) 照射对比度 radiation contrast 辐射源 radiation source 射线照相底片/照片  radiograph 射线照相胶片 radiographic film 射线照相 radiography 放射性同位素 radioisotope 射线透视 radioscopy 棒阳极管 rod anode tube 散射线 scattered radiation 增感型胶片 screen type film 源固定器 source holder 源尺寸 source size 源至胶片距离(std)  source－to－film distance(sfd) 空间分辨力 spatial resolution 比活度 specific activity 阶梯楔块 step wedge 立体射线照相 stereo radiography 靶 target 管子光阑 tube diaphragm 管头 tube head 管罩 tube shield 管子遮光器 tube shutter 管子窗口 tube window 管电压 tube voltage 未密封源 unsealed source 不清晰度 unsharpness 有效密度范围 useful density range 真空暗盒 vacuum cassette 观察屏蔽 viewing mask 可视对比度 visual contrast X射线 X－rays X射线胶片 X－ray film X射线管 X－ray tube