搜索 - 科创

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没有成品标定试剂的话，也可以自己配，成品的标定试剂也是人配的....（配方网上很容易就可以搜到）。目前各个品牌的酸度计，如梅特勒，infors等，几乎都是采用了两点或三点校准的技术，而几乎都采用了4....

有个事得跟你探讨探讨：我做好DRSSTC已经好几天了，今天才发现一个一直忽略的问题：调压器开到125V，电弧虽然不长，但喷射很猛烈。然而测量全桥供电电压，竟然只有49V！而整流桥的输入端交流电压（有效...

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