The black liquids, suspensions, molten salts and their intermixtures are the main so - lar radiation absorbing materials for direct absorption-type solar energy collection systems.
用于直接吸收式太阳能集热系统的集热介质主要有黑色液体、气-固或液-固悬浮体系、熔盐及其三者的相互混合物。
It is not result of spin pairing to form chemical bonds, Instead, transfer electron from the atomic orbital of taller energy to the moleen -lar orbital of lower energy.
在化学键形成时并不是电子配对的结果，而是电子从能量较高的原子轨道转移到能量较低的成键的分子轨道上使体系能量降低的结果。
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