GB射线照相检测术语

1、个人收集整理仅供参考学习GB/T 12604.2-2005/ISO 5576:1997无损检测术语射线照相检测1范围本标准界定了工业射线照相检测的术语。2术语和定义2.1 吸收absorptio n2.2 活度activity2.3 老化灰雾 agei ng fog2.4 阳极an ode2.5 阳极电流an ode curre nt2.6 伪像(假显示)artefact ( false in dicatio n )2.7 衰减 atte nuati on2.8衰减系数atte nuati on coefficie nt12.9平均梯度average gradie nt2.10背散射back

2、scatter背散射线back scattered radiati on2.11射束角beam an gle2.12电子回旋加速器betatr on2.13遮挡介质block ing medium2.14累积因子build-up factor2.15暗盒 cassette暗袋2.162.172.182.192.202.212.222.232.242.252.262.272.282.292.302.312.322.332.342.352.362.37阴极 cathode已校验的阶梯密度片calibrated den sity step wedge(胶片的)特性曲线characteristic c

3、urve (of a film )清澈时间cleari ng time准直collimati on准直器 collimator康普顿散射Compt on scatter计算机层析成像computerized tomography ( CT )恒电势电路con sta nt pote ntial circuit连续谱contin uous spectrum对比度 con trast反衬介质con trast medium对比灵敏度(厚度灵敏度)con trast sen sitivity ( thick ness sen sitivity )衰减曲线decay curve密度计den sitom

4、eter(胶片或相纸的)显影developme nt ( of a film or paper )衍射斑纹diffraction mottle齐 U量计dosemeter ( dosimeter )齐 U量率计dose rate meter双焦点管dual focus tube双线像质计duplex wire image quality in dicator双丝像质计2.382.392.402.412.422.432.442.452.462.472.482.492.502.512.522.532.542.552.562.572.582.59均值过滤器(射线束致平器)equalizi ng fi

5、lter ( beam flatte ner )等效 X 射线电压equivale nt 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 film gradie ntG观片灯(观察屏)film illum in ator ( viewi ng scree n )胶片处理 film process ing胶片系统速度film system speed滤光板 filter定影 fixi ng探伤灵

6、敏度 flaw sen sitivity荧光增感屏fluoresce nt intensifying scree n金属荧光增感屏fluorometallic intensifying scree n荧光透视 fluoroscopy焦点 focal spot焦点尺寸 focal spot size焦距 focus-to-film-dista neeffd灰雾度 fog den sity2.60 伽玛射线照相 gamma radiography2.61 伽玛射线 gamma rays丫射线2.62伽玛射线源gamma-ray source2.63伽玛射线源容器gamma-ray source c

7、ontainer2.64几何不清晰度geometric un sharp ness2.65颗粒性gra inin ess2.66颗粒度gra nularity2.67半衰期half life2.68半价层half value thick nessHVT2.69光源illumi nator观片灯2.70图像对比度image con trast2.71图像清晰度image defi niti on2.72图像增强image enhan ceme nt2.73图像增强器image inten sifier2.74像质 image quality图像质量2.75 像质计 image quality i

8、n dicator图像质量指示器IQI2.76 像质值 image quality value图像质量值IQI 灵敏度 IQI sensitivity2.77 入射射线束轴线in cide nt beam axis2.78 工业放射学in dustrial radiology2.79 固有过滤in here nt filtrati on2.80 固有不清晰度in here nt un sharp ness2.81 增感因子in te nsifyi ng factor2.82 增感屏inten sifyi ng screen2.83 潜影late nt image2.84 直线电子加速器lin

9、ear electron accelerator ( LINAC )2.85 屏蔽mask ing2.86 金属屏 metal screen2.87 微焦点射线照相microfocus radiography2.88 调制传递函数modulation tran sfer fun ctionMTF2.89 运动不清晰度moveme nt un sharp ness2.90 工件对比度 object con trast2.91 工件至胶片距离 object-to-film dista nee2.92 周向曝光 pan oramic exposure2.93 透度计 pen etrameter2.9

10、4 压痕 pressure mark2.95 初始射线 primary radiation2.96 投影放大率 projective mag ni ficati on2.97 投影放大技术projective magn ificati on tech ni que2.98 (射线束)质量 quality ( of a beam of radiation )2.992.1002.1012.1022.1032.1042.1052.1062.1072.1082.1092.1102.1112.1122.1132.1142.1152.1162.1172.1182.1192.1202.1212.122照射

11、对比度radiation con trast辐射源radiati on 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 radiati on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(sfd)source-to-film distanee ( sfd )空间分辨力spatial resoluti on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 voltage2.123 未密圭寸源un sealed source2.124 不清晰度u