As I begin to position objects together – adding and subtracting – I move forward, never feeling satisfied until I’ve reached what I feel is a visual absolute. The merging of my personal feelings with the alchemy of textures, color, and materials is key. Over time, my compositions begin...
如图所示为回旋加速器的原理图，两个D形金属盒处在与盒面垂直的匀强磁场中，两D形盒间接入一高频交流电源，用回旋加速器给A、B两个不同粒子分别加速，A粒子的电荷量为q1、质量为m1，加速后获得的最大动能为 ，最大速度为 ；B粒子的电荷量为q2、质量为m2，加速后获得的最大动能为 ，最大速度...