搜索 - 科创

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引用 HXKRRRR:区别在于，窜天猴里边的可能是笛音剂（氯酸钾+苯甲酸钠），而这个氧化剂是硝酸钾。氯酸钾氧化性比硝酸钾强多了，所以好点。不过由于压强指数等诸多原因，氯酸钾实在不适合作为正式火箭燃料的...

引用 smith:下面是一些常见物质的LD50. 对比看来，偏磷酸的毒性跟阿司匹林接近。我并没有说偏磷酸五毒，我认为应该是轻度毒性的概念。 Waterrat, oral>90,000 mg/k...

以前论坛有人用CMX973+声卡制作了廉价SDR方案，CMX973大约150-200RMB每个。现在淘宝AD9361只要350RMB每个，可以用AD9361+FPGA+ARM SOC方案，FPGA选个...

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