搜索 - 科创

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1 研究背景远征3A探空火箭是196工程的重要部分，196工程开始于2019年6月，目的是为了研制一种具有高可靠性、高可复用性和先进性的探空火箭系统，搭载各型航电设备进行测试，为未来向太空进军夯实基础...

中国科学院院士简水生曾指出，目前生产多晶硅的企业一般都采用改良西门子法。使用该方法，1千瓦的太阳能电池约需10公斤的多晶硅，需要消耗电能5800～6000度，耗电量十分巨大。即使电池能够稳定使用20年...

实验原理：次氯酸钠在浓碱中氧化氢氧化铁（来自三氯化铁），产生高铁酸钠，与浓KOH反应产生高铁酸钾FeCl3+3NaOH=Fe(OH)3+3NaCl2Fe(OH)3+4NaOH+3NaClO=2Na2F...

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