搜索 - 科创

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220v半桥频率500khz左右。用0.15mm漆包线900圈左右，实测电感比计算少很多！后面的加了食用盐，醋，酱油，味精等都是黄色。还有问个问题，我开始加顶端可以放很长的电...

很久没玩过TC了，这个寒假要爽一下~ 现在是小试阶段、功率部分：全桥 50A1000V IGBT 已经搭好的全桥。驱动部分：接下来到灭弧：多模灭弧中断器、 MMC是天明电容：然后到...

脲醛树脂的制备1、原材料对质量的影响脲醛树脂是由尿素、甲醛、催化剂等合成，原材料对脲醛树脂的质量有很大的影响，必须严格控制。一、尿素尿素中的杂质如缩二脲、游离氨和硫酸盐对脲醛...

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