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要用淀粉碘化钾试纸，买的时候老板说卖没了。想要自制，买500g碘化钾有些不划算，突发奇想，用碘酒做。试验了一下可以。 ~~~~~~~~~~~~~~~~~~~~~~~~~~华丽的分割线~~~~~~~~~...

海利氏液：由重铬酸钾2.5克、氯化汞6克、蒸馏水100毫升、40%甲醛液5毫升配制。该液适用于骨髓，脾，肝等适血器官的固定。卡诺固定液：由纯酒精15毫升、冰醋酸5毫升配制。该液渗透迅速，可用作植物组...

这是我设计的雾化片驱动一体化板。使用5V的电源供电，接口是Type-C。上电后MCU工作输出PWM信号给栅极驱动器，通过栅极驱动器驱动MOSFET升压，Boost升压电路提供后级Cla...

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