J Rheinl?Nder - 《Research in Nondestructive Evaluation》 被引量: 5发表: 1994年 Quantitative use of film density variations for thickness variation determination by polychromatic X-radiography Based upon calculation of the attenuation of poly-energetic x-rays through a sample of known composition, der...
Adj.1.radiographic- relating to or produced by radiography Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster's page for free fun con...
and overall contrast and density.The statistically significant determination that the image quality of computed radiographs is at least as good as screen-film images allows confident use of computed radiography and enables radiologists to take advantage of its many other practical capabilities related to...
cine-film,motion-picture film,movie film- photographic film several hundred feet long and wound on a spool; to be used in a movie camera negative- a piece of photographic film showing an image with light and shade or colors reversed
radiographythermal neutron beams/ A0768 Photography, photographic instruments and techniquesObservations are presented of the density-exposure and reciprocity law failure characteristics of Polaroid Type 57 and Type 52 film in conjunction with NE421 and NE905 light-emitting thermal neutron intensifying ...
Barbara N.WeissmanMD, inImaging of Arthritis and Metabolic Bone Disease, 2009 Radiography Radiographs are generally inaccurate diagnostic tools for the detection of infection following totaljointreplacement.35Infection may be present even if radiographs are normal.51Serial radiographs are more useful than ...
展开 关键词: Humans Alveolar Process Radiography, Dental Radiographic Image Enhancement Reproducibility of Results Spectrum Analysis X-Ray Film Bone Density Artifacts DOI: 10.1016/0030-4220(93)90437-9 被引量: 15 年份: 1993 收藏 引用 批量引用 报错 分享 全部...
2. High density light source arrangement, brightness up to 4000cd/m², (PRO:6000cd/m²), customizable brightness Unique knob rotation and digital control technologyAOT-D: 1.digit display, 9 position button brightness adjustment, simple con...
Side lighting cold light illuminator, high density SMD LED matrix(144 pc/bank), the luminance up to 4800 cd/m2, and uniformity up to 90%, ensured the high brightness and great uniformity, guaranteed the accurate observation. C, Imported Acrylic View Panel ...
Some radiographic patterns of breast cancer are readily detected when relatively small (at an early stage), such as spiculated lesions and tumors presenting with calcifications, whereas other lesions are challenging to detect such as tumors causing only a nonspecific density or areas with subtle ...