搜索 - 科创

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作者我是准高三生，作为高中最后一个暑假，还剩最后几天空闲时间，这次实验对于高三畜生来说是“最后的晚餐”又因为我对哌嗪类衍生物具有浓烈兴趣，希望合成哌嗪并进一步研究其衍生物，所以申请基金合成前体DFTH...

HP856×是惠普公司1988年量产的频谱仪系列，覆盖频率范围至50GHz。后续进行了多次改进，最后一个采用阴极射线管显示的型号是HP856×E。在1990年代末期改用液晶显示器取代阴极射线管，型号是...

之前我一直在用同轴线作为中断信号的传输介质，但是在大功率下会干扰设备的正常运转，干扰源主要来自传输中断信号的信号线，虽然同轴线缆有屏蔽层，但是特斯拉线圈的驱动电路的外壳是接地的（用同轴线缆，使用的BN...

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