搜索 - 科创

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那个纯手工的没飞起来，喷了~今天早上在那里计算金属发动机需要的燃料，需要155g，药柱密度1.14今天就要去补课了，中午再慢慢熬燃料吧。话说昨天买了个1000的电炉回来，老妈告诉我说玩电炉特别容易触电...

引用第7楼虎哥于2009-05-15 12:11发表的 :那个到325G的矢量网络分析仪比较好看，虽然用的平面接头，但那么高的频率，估计拧紧力不同的话，测试结果都不一样。估计贵处实验室的空气洁净等级...

取0.5g碘化钾，溶于20ml蒸馏水中形成2%的溶液，由于显色很灵敏，可以不用太多碘化钾。等糊精冷却后，与碘化钾溶液混合，搅拌均匀滤纸剪成条状，侵染碘化钾-糊精溶液，放置在干净的容器中晾干，...

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