自古逢秋悲寂寥,
我言秋日胜春潮。
晴空一鹤排云上,
便引诗情到碧霄。
最佳实验室操作规程:职业安全卫生及环境(中英文)
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下一篇 2008-02-20 16:48:53
Water
:g2bLApQ-F0Using water unnecessarily in laboratories is not only a waste, it reflects poorly on staff and is a bad example for others. Use of water in water aspirators and for cooling (water used once and run to waste) should be discontinued.