A soft silvery metallic element of the alkali metal group burns in air and reacts violently in water occurs in carnallite and lepidolite and pollucite.
一种软质的银色碱金属元素能在空气中燃烧能与水发生剧烈反应见于光卤石锂云母和铯榴石中。
The paper discusses the problems and their solutions in the design, installation and equipment of the alkali recovery project in Shandong (Linqing) Yinhe Paper Group.
介绍了山东(临清)银河纸业集团碱回收工程设计、安装、设备方面存在的问题及采取的解决措施。
A soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals.
一种银白色软质单价元素,碱金属属,已知最轻的金属,存在于许多矿物中。
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