爱迪生解密结果分析:___________________________________________________爱迪生推理(1)__________________________________________________________①_________________________________________________________②______________________________
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![爱迪生解密结果分析:___________________________________________________爱迪生推理(1)__________________________________________________________①_________________________________________________________②______________________________](/uploads/image/z/6313817-65-7.jpg?t=%E7%88%B1%E8%BF%AA%E7%94%9F%E8%A7%A3%E5%AF%86%E7%BB%93%E6%9E%9C%E5%88%86%E6%9E%90%EF%BC%9A___________________________________________________%E7%88%B1%E8%BF%AA%E7%94%9F%E6%8E%A8%E7%90%86%281%29__________________________________________________________%E2%91%A0_________________________________________________________%E2%91%A1______________________________)
爱迪生解密结果分析:___________________________________________________爱迪生推理(1)__________________________________________________________①_________________________________________________________②______________________________
爱迪生解密结果分析:___________________________________________________
爱迪生推理(1)__________________________________________________________
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爱迪生解密结果分析:___________________________________________________爱迪生推理(1)__________________________________________________________①_________________________________________________________②______________________________
分析:盐溶于水是物理变化,盐仍是盐,盐的气化需要很高温度.
1.淡水
2.半透膜过滤法(1)制作盐水(放在脸盆里)
(2)在脸盆里放进一个比脸盆小的盘子
(3)将脸盆封上保鲜膜
3.需要0元,只需去大海边装水,之后带回家进行半透膜过滤法
4.半透膜过滤法
盐不会随着水的蒸发而蒸发
1.淡水
2.蒸馏 条件不足 半透膜过滤法