GB射线照相检测术语资料

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1、GB/T12604.2—2005/ISO5576:1997《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absorption2.2　活度activity2.3　老化灰雾ageingfog2.4　阳极anode2.5　阳极电流anodecurrent2.6　伪像（假显示）artefact(falseindication)2.7　衰减attenuation2.8　衰减系数attenuationcoefficientμ2.9　平均梯度averagegradien

2、t2.10　背散射backscatter背散射线backscatteredradiation2.11　射束角beamangle2.12　电子回旋加速器betatron2.13　遮挡介质blockingmedium2.14　累积因子build-upfactor2.15　暗盒cassette暗袋2.16　阴极cathode2.17　已校验的阶梯密度片calibrateddensitystepwedge2.18　（胶片的）特性曲线characteristiccurve(ofafilm)2.19　清澈时间clear

3、ingtime2.20　准直collimation2.21　准直器collimator2.22　康普顿散射Comptonscatter2.23　计算机层析成像computerizedtomography(CT)2.24　恒电势电路constantpotentialcircuit2.25　连续谱continuousspectrum2.26　对比度contrast2.27　反衬介质contrastmedium2.28　对比灵敏度（厚度灵敏度）contrastsensitivity(thicknesssensit

4、ivity)2.29　衰减曲线decaycurve2.30　密度计densitometer2.31　（胶片或相纸的）显影development(ofafilmorpaper)2.32　衍射斑纹diffractionmottle2.33　剂量计dosemeter(dosimeter)2.34　剂量率计doseratemeter2.35　双焦点管dualfocustube2.36　双线像质计duplexwireimagequalityindicator双丝像质计双线图像质量指示器2.37　边缘遮挡材料edge-

5、blockingmaterial2.38　均值过滤器（射线束致平器）equalizingfilter(beamflattener)2.39　等效X射线电压equivalentX-rayvoltage2.40　曝光exposure2.41　曝光计算器exposurecalculator2.42　曝光曲线exposurechart2.43　曝光宽容度exposurelatitude2.44　曝光时间exposuretime2.45　片基filmbase2.46　胶片梯度filmgradientG2.47　观片灯

6、（观察屏）filmilluminator(viewingscreen)2.48　胶片处理filmprocessing2.49　胶片系统速度filmsystemspeed2.50　滤光板filter2.51　定影fixing2.52　探伤灵敏度flawsensitivity2.53　荧光增感屏fluorescentintensifyingscreen2.54　金属荧光增感屏fluorometallicintensifyingscreen2.55　荧光透视fluoroscopy2.56　焦点focalspot2

7、.57　焦点尺寸focalspotsize2.58　焦距focus-to-film-distanceffd2.59　灰雾度fogdensity2.60　伽玛射线照相gammaradiography2.61　伽玛射线gammaraysγ射线2.62　伽玛射线源gamma-raysource2.63　伽玛射线源容器gamma-raysourcecontainer2.64　几何不清晰度geometricunsharpness2.65　颗粒性graininess2.66　颗粒度granularity2.67　半衰期

8、halflife2.68　半价层halfvaluethicknessHVT2.69　光源illuminator观片灯2.70　图像对比度imagecontrast2.71　图像清晰度imagedefinition2.72　图像增强imageenhancement2.73　图像增强器imageintensifier2.74　像质imagequality图像质量2.75　像质计imagequalityindicato