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来源：百度知道 编辑：UC知道 时间：2024/05/11 16:47:49
Scientists have discovered compounds never before found in flame. As this ScienCentral News video explains, the finding cracks some of the mystery of fire and could lead to cleaner-burning fuel.
Hidden in the Flames
Whether it's on the beach under a star-filled sky or at home during winter, for some, there's nothing nicer than sitting beside a fire and becoming mesmerized by the flames. But, some scientists are staring into fires, for reasons beyond their own curiosity, and shedding light on the chemical mysteries of flame.
"That's important in trying to design devices that emit less pollution and so that's where the details of the chemistry matter," explains combustion chemist Craig Taatjes from Sandia National Laboratories in Livermore, California.
Although scientists have been studying the chemistry of fire for more than 150 years, this is the first time they found compounds, called enols, in a flame t
Hidden in the Flames
Whether it's on the beach under a star-filled sky or at home during winter, for some, there's nothing nicer than sitting beside a fire and becoming mesmerized by the flames. But, some scientists are staring into fires, for reasons beyond their own curiosity, and shedding light on the chemical mysteries of flame.
"That's important in trying to design devices that emit less pollution and so that's where the details of the chemistry matter," explains combustion chemist Craig Taatjes from Sandia National Laboratories in Livermore, California.
Although scientists have been studying the chemistry of fire for more than 150 years, this is the first time they found compounds, called enols, in a flame t
科学家已发现发现火焰后才发现了化合物。如《科学中心新闻》的录像所显示的，实验结果揭示了一些火焰的秘密,并可能引导科学家发现更清洁的燃料。
隐藏在火焰中
对一些人来说，不管是海滩上、灿烂的星空下还是在冬天的家中，没有什么比坐在火焰旁并被之迷住更美好。但是,一些科学家正在为了自己的好奇心或是揭示火焰的化学奥秘以外的原因而注视着火焰的内部。
“尝试设计排污更少的发动装置是非常重要的，所以在这种情况下我们要详细地研究这个化学问题。”来自加州利弗莫尔地区桑迪亚国家实验室的燃烧化学家Craig Taatjes解释道。
虽然科学家们研究火焰化学已超过150年，然而这是他们首次在火焰内发现这种被称为烯醇的化合物，它被发现于乙烯燃烧产生的火焰中，这种物质被用来制造普通聚乙烯塑料。“这些分子从未在烈火中被观察到，他们不存在于的火焰。因此我们感到惊讶。”taatjes解释说。在此之前，烯醇被有着同样的重量，且早已在火焰中被发现的相关化合物酮所遮掩而未被观测到。