With theory of beam, this paper has analyzed the weighing principle and the structure of current electronic belt weighing conveyor, and pointed out the advantage and disadvantage.
应用梁的理论，对电子皮带秤的各种秤架结构进行了静力分析，指出了各种秤架结构的优点和不足。
Surface treatment of titanium alloy has been carried out by using pulsed electron beam with low energy and high current.
采用低能高束流脉冲电子束表面改性设备对钛合金进行表面处理。
And the formulas of electron beam to wave interaction power, frequency shift, starting current and etc. are derived. Then some discussions and analyses are carried out in detail.
推出了电子注与波的互作用功率、频偏和起振电流等公式，并进行了详细的讨论和分析。
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