中国科技信息
中國科技信息
중국과기신식
CHINA SCIENCE AND TECHNOLOGY INFORMATION
2009年
14期
36-37,40
,共3页
威尔尼特管%磁聚焦%荷质比
威爾尼特管%磁聚焦%荷質比
위이니특관%자취초%하질비
Wechnett Cylinder%magnetic focusing%the ratio of the charge to the mass(e/m)
介绍了磁场中测定电子荷质比的方法,详细讨论了威尔尼特管法及磁聚焦方法的基本原理,并采用这两种方法对电子荷质比进行测定,最后分析了测量过程中时测量结果影响较大的因素.
介紹瞭磁場中測定電子荷質比的方法,詳細討論瞭威爾尼特管法及磁聚焦方法的基本原理,併採用這兩種方法對電子荷質比進行測定,最後分析瞭測量過程中時測量結果影響較大的因素.
개소료자장중측정전자하질비적방법,상세토론료위이니특관법급자취초방법적기본원리,병채용저량충방법대전자하질비진행측정,최후분석료측량과정중시측량결과영향교대적인소.
The measurement methods of the e/m of an electron in magnetic were introduced.And the principles of measurement methods using Wechnett Cylinder and magnetic focusing were also discussed.The results of the e/m were measured by using the two methods.The factors which could affect the accuracy of the measurementt were analyzed in the last.
