192王翦来访
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尚文查看着众多的发明，并且将其记录在案。更多小说ltxs520.com这些发明都需要保护。
查看完这些，尚文要做一些实验。昨天开启的实验室化学。这次是物理。物理实验做的电学。尚文认为，电越早产生越好。而且，很多地方都需要点。特别是加工机床方面。现在是用的蒸汽动力。但是如果电力的话，或许情况会大大的好转。
现在的发明不能老停留在启蒙阶段上，应该先前迈出一大步。
发电机，电动机。首先要做的就是这两个。发电机没有问题，问题在于电动机。还有有了电，电池也要问世，但是硫酸目前才刚刚起步。化学基础极为薄弱。
现代学科发展很快，快的要交叉发展，相互制约。如果一个领域停滞不前。那么另外一个领域不可能有所作为。比如。化学方面由于碳酸钠的获取工艺落后，导致玻璃产业无法发展。还有硫酸的产生。使得加工工艺缺少一道工序。还有电力方面。有了电，缺少必要的存储设备。电的应用还是在实验室阶段。一环接着一环。一环套着一环。
发电机通常由定子、转子、发电机、端盖及轴承等部件构成。定子由定子铁芯、线包绕组、机座以及固定这些部分的其他结构件组成。
转子由转子铁芯（或磁极、磁扼）绕组、护环、中心环、滑环、风扇及转轴等部件组成。
由轴承及端盖将发电机的定子，转子连接组装起来，使转子能在定子中旋转，做切割磁力线的运动，从而产生感应电势，通过接线端子引出，接在回路中，便产生了电流。
但其工作原理都基于电磁感应定律和电磁力定律。尚文要收集的材料有大量的铜丝，铁芯。还有，还有什么。对了，还有磁铁。现在使用的磁铁都是天然磁铁，这些磁铁大部分是野外打雷的时候，瞬间通过的高电压形成，要不就是一些陨石。尚文打开收集而来的磁铁箱子。
“哦，我的天啊。”尚文有些疯了。收集的磁铁各种形状都有。千奇百怪。不知道的自己有收集石头的怪癖，没有任何的加工，就给我直接送过来了。尚文还必须对这些天然磁铁进行一次粗加工，按照自己的想法来做。尚文叫来人，按照方块一样的加工这些天然磁铁。
不过尚文也意识到一个问题，那就是如果单纯的依靠天然磁铁显然不是可能的。因为，随着工业程度的加快，不可能有这么大规模的天然磁铁存在，如果出现了资源枯竭。我的天啊。有好戏看了。什么都得停下来。
不过人类总是有办法的，那就是人造磁铁。1822年，法国物理学家阿拉戈和吕萨克发现，当电流通过其中有铁块的绕线时，它能使绕线中的铁块磁化。1823年，斯特金也做了一次类似的实验：他在一根并非是磁铁棒的u型铁棒上绕了18圈铜裸线，当铜线与伏打电池接通时，绕在u型铁棒上的铜线圈即产生了密集的磁场，这样就使u型铁棒变成了一块“电磁铁”。这种电磁铁上的磁能要比永磁能放大多倍，它能吸起比它重2o倍的铁块，而当电源切断后，u型铁棒就什么铁块也吸不住，重新成为一根普通的铁棒。斯特金的电磁铁发明，使人们看到了把电能转化为磁能的光明前景。
1829年，美国电学家亨利对斯特金电磁铁装置进行了一些革新，绝缘导线代替裸铜导线，因此不必担心被铜导线过分靠近而短路。由于导线有了绝缘层，就可以将它们一圈圈地紧紧地绕在一起，由于线圈越密集，产生的磁场就越强，这样就大大提高了把电能转化为磁能的能力。到了1831年，亨利试制出了一块更新的电磁铁，虽然它的体积并不大，但它能吸起1吨重的铁块。电磁铁的发明也使发电机的功率得到了很大的提高。
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