质谱仪的构造如图所示离子从离子源出来经过板间电压为u的加速电场后进入磁感应强度为b的匀强磁场中沿着半圆�运动而达到记录它的照相底片上．测得 Sketch Coloring Page

质谱仪的构造如图所示离子从离子源出来经过板间电压为u的加速电场后进入磁感应强度为b的匀强磁场中沿着半圆�运动而达到记录它的照相底片上．测得 Template

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tomski质谱仪的构造如图所示离子从离子源出来经过板间电压为u的加速电场后进入磁感应强度为b的匀强磁场中沿着半圆�运动而达到记录它的照相底片上．测得 coloring

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如图所示为一种质谱仪示意图由加速电场静电分析器和磁分析器以及感光胶片组成．很细的静电分析器的圆形通道半径为R处均匀辐�电场的场强大小为E sketch template

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如图所示为一种质谱仪示意图由加速电场静电分析器和磁分析器组成已知静电分析器通道的半径为R均匀辐射电场的场强为E磁分析器中有垂直纸 sketch template

质谱仪是一种测定带电粒子质量和分析同位素的重要工具它的构造原理如图所示离子源S产生的各种不同正离子束经加速电场加速后垂直进入有界匀强磁场 sketch template

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图3 离子源示意图 sketch template

实验室经常使用的电流表是磁电式仪表．这种电流表的构造如图甲所示．蹄形磁铁和铁芯间的磁场是均匀地辐�分布的．当线圈通以如图乙所示的电流下列说法 sketch template

某研究性学习小组利用如图所示的装置探究作用力与反作用力的大小关系．如图甲所示在铁架台上用弹簧秤挂住一个实心铁球弹簧秤的示数为F1在圆盘测 sketch template

20．1922年英国物理学家阿斯顿因质谱仪的�明同位素和质谱的研究荣获了诺贝尔化学奖．质谱仪的两大重要组成部分是加速电场和偏转磁场．图甲所 sketch template

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