权威例句
Helical scanRadiation dose reduction and coronary assessability of prospective electrocardiogram-gated computed tomography coronary angiography:...Comparison of sequential and helical scanning for radiation dose and image quality: results of the Prospective Multicenter Study on ...Subtraction CT angiography with controlled-orbit helical scanning for detection of intracranial aneurysms.Helical-scan computed tomography using cone-beam projectionsBlood and dialysate flow distributions in hollow-fiber hemodialyzers analyzed by computerized helical scanning technique.Nonstationary noise characteristics of the helical scan and its impact on image quality and artifactsThree‐dimensional helical‐scan computed tomography using cone‐beam projectionsSubtraction 3D CT angiography with the orbital synchronized helical scan technique for the evaluation of postoperative cerebral aneu...The helical-scan magnetic tape recorder as a digital communication channel
