The influence arising from the anode voltage and gas pressure of gas - flow proportional counter and ambient temperature on the measuring error of the setup has been investigated by means of experiment 實(shí)際測得了流氣正比計(jì)數(shù)管陽極高壓、工作氣壓和環(huán)境溫度對(duì)軟x射線熒光測量裝置測量誤差的影響。
I designed a measuring system which can measure the anode current 、 anode voltage 、 grid current and grid voltage at one time . working at manual mode the system can sever as a measuring instrument 根據(jù)要求,設(shè)計(jì)一個(gè)場發(fā)射參數(shù)的測量系統(tǒng),此系統(tǒng),工作在手動(dòng)方式下可以測量出某一時(shí)刻點(diǎn)的場發(fā)射的陽極電流、陽極電壓、柵極電流、柵極電壓。
Study shows finishing initial design of gun we can optimize the beam performance by adjusting magnetic field distribution , gun geometry , cathode magnetic field , magnetic field compression ratio , anode voltage , cathode emitter temperature and so forth 研究表明,完成電子槍的初始設(shè)計(jì)后,可以通過調(diào)整磁場分布、電子槍結(jié)構(gòu)、陰極磁場、陽極電壓等因素,優(yōu)化電子注的性能。
The experimental results demonstrate that the intensity of grazing emission x - ray fluorescence becomes more intensive with the higher anode voltage of x - ray tube or the bigger grazing emission angle , which provide a possibility for accelerating the process of grazing emission x - ray fluorescence analysis 實(shí)驗(yàn)結(jié)果表明,掠出射x射線熒光強(qiáng)度隨x射線管陽極高壓的增大而增大;隨掠出射角的增大而增大。這為提高掠出射x射線熒光分析的速度提供了可能。