نتایج جستجو برای: cathode ray

تعداد نتایج: 314566  

2012
George Zentai

A general X-ray tube has two electrodes, the cathode and the anode, with a high voltage applied between them. Electrons are generated at the cathode. After the electrons are emitted from the cathode they are accelerated by the high voltage toward the anode (positive) electrode. The high speed electrons hitting the anode material then generate invisible radiation i.e. X-rays. The energy spectrum...

2016
Daiwon Choi Xiaolin Li Wesley A. Henderson Qian Huang Satish K. Nune John P. Lemmon Vincent L. Sprenkle

A highly crystalline LiCoPO4/C cathode material has been synthesized without noticeable impurities via a single step solid-state reaction using CoHPO4·xH2O nanoplate as a precursor obtained by a simple precipitation route. The LiCoPO4/C cathode delivered a specific capacity of 125 mAhg(-1) at a charge/discharge rate of C/10. The nanoplate precursor and final LiCoPO4/C cathode have been characte...

2005
A. G. LIPSON

Using noiseless solid-state CR-39 plastic track and Al2O3:C thermo-luminescent detectors, the yields of 3.0 MeV protons from DD-reaction and soft x-ray photons emitted from the cathode were studied in the periodic pulsing deuterium glow discharge with titanium cathodes at low discharge voltages (in the range 0.8–2.5 kV) and high current density (300–600 mA/cm2). The analysis of DD-proton yield ...

Journal: :Bell System Technical Journal 1922

2014
A. W. WOODHEAD D. WASHINGTON D. L. LAMPORT A. G. KNAPP J. R. MANSELL A. W. Woodhead

This paper describes a new approach to cathode-ray tube design aimed at achieving a significant depth reduction. The addressing function of the electron beam has been separated from the light generation process by a channel electron multiplier array, allowing the use of a novel deflection system based on a low-power scanning beam. Monochrome versions of the thin tube have been made with a 12" (...

2004
B. Mazurek A. Nowak

Electrical discharge in vacuum is accompanied by X-ray radiation. Knowledge of the generation mechanism of radiation may lead to its practical use. The analysis of this phenomenon indicates that it is only at the discharge development phase until the moment of the anode plasma generation that the proper conditions for X-ray generation are satisfied. The intensity of radiation is dependent on th...

Journal: :Journal of the Optical Society of America 1922

Journal: :The Journal of the Institute of Television Engineers of Japan 1972

Journal: :British heart journal 1953
E M BESTERMAN J K HARRIS

The difficulties of recording the faint murmurs of early rheumatic valvulitis are well known, and for this reason it was considered advisable to develop a cathode-ray phonocardiograph. This is theoretically the ideal recording device owing to its minimal inertia and high sensitivity. This phonocardiograph is intended to provide objective confirmation of clinical findings on auscultation, record...

2000
James Mattingly

I reappraise in detail Hertz's cathode ray experiments. I show that, contrary to Buchwald's (1995) evaluation, the core experiment establishing the electrostatic properties of the rays was successfully replicated by Perrin (probably) and Thomson (certainly). Buchwald's discussion of &current puri"cation' is shown to be a red herring. My investigation of the origin of Buchwald's misinterpretatio...

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