搜索 - 科创

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继续科普半数致死量(median lethal dose)，简称LD50（即Lethal Dose, 50%），在毒理学中是描述有毒物质或辐射的毒性的常用指标。按照医学主题词表（MeSH）的定义，L...

引用第12楼8号雷管于2010-09-24 17:03发表的 :氰酸钾 LD50/LC50 小白鼠急性口服LD50,841mg/kg。氰化钾急性毒性：LD50：5mg/kg(大鼠经口) 　　LC5...

据路边社消息说样机已经在进行应用测试了，采用了CPU+CPLD的结构，CPLD有逻辑锁，继电器上也有逻辑锁。不算人工成本的话，研发成本并没有花到传说中的8000元😂

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