X-ray Emission from Television Sets: The gonad dose to the population is evaluated on the basis of laboratory and field measurements CB Braestrup,RT Mooney - 《Science》 被引量: 0发表: 1959年 X-RAY TELEVISION DEVICE PROBLEM TO BE SOLVED: To automatically control an X-ray radioscopy picture...
Cathode for high emission x-ray tube A method and apparatus for an x-ray tube having an emitter and a differentially biased emitter-cup cathode configured to provide an electron beam of substantially greater perveance and beam compression ratio than otherwise obtainable wit... S Lemaitre - US ...
输出界面111和141的示例可包括扬声器、打印机、阴极射线管(cathode ray tube,CRT)显示器、液晶显示器(liquid crystal display,LCD)、等离子显示面板(plasma display panel,PDP)、有机发光二极管(organic light emitting diode,OLED)显示器、场发射显示器(field emission display,FED)、发光二极管(light emitting diode,LE...
A field-emission cathode ray tube (FE-CRT) has been fabricated using a unique nanostructure carbon electron emitter called carbon nanometer electron exit (... HX Wang,N Jiang,H Hiraki,... - 《Journal of Vacuum Science & Technology B》 被引量: 4发表: 2008年 加载更多来源...
X rays have many uses, including medical diagnostics and x-ray diffraction.Conceptual Questions Explain why characteristic x rays are the most energetic in the EM emission spectrum of a given element. Why does the energy of characteristic x rays become increasingly greater for heavier atoms? Observe...
By choosing a moderate optical thickness α 1, the x-ray emission is predominantly occurring in the forward direction, facilitating detection, while the speed-up of the decay remains relatively small, leading to the signal delay of few tens up to 100 ns. In order to minimize the ...
X-ray diagnostic apparatus, and X-ray tube An X-ray diagnostic apparatus according to an embodiment includes: an X-ray tube including a target configured to generate X-rays in response to emission o... A Tetsuka,Y Totsuka 被引量: 0发表: 2022年 ...
塞格巴恩(Siegbahn)物理 同X 射线有关的诺贝尔奖 Wilhem Conrad Roentgen (1845 -1923)Roentgen's Rays Anna Bertha Roentgen (1839 -1919)Roentgen's Rays Radiograph of the hand of Mrs. Roentgen A Crookes tube Cathode Ray Tube ，CRT 阴极射线管 资料查阅小论文（1）：阴极射线管的产生、演化、原理、应用...
X-ray excited luminescence stems solely from the intrinsic excitonic emission of the perovskites, and no other defect states seem to be involved in the scintillation process. The dynamics of radiative processes in materials under high-energy excitation is often complicated by slower non-exponential ...
正电子发射/X射线计算机断层成像系统(Imaging system of positron emissionand X-ray computed tomography,本文简称“PET/CT”)组合了正电子发射计算机断层扫描系统(PET)和X射线计算机体层扫描系统(CT),提供生理和解剖信息的配准与融合。 二、综述资料 (一)概述 ...