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researchers discover a better way to make ammonia
ammonia
chemical
engadget
enzyme
fritzhaber
green
hydrogen
nitrogen
universityofutah
科学
源
how to make hydrochloric acid erupt in smoke without ever touching it
ammonia
chemistry
experiments
hydrochloric acid
科学
科幻小说
源
some people use urine (and chemistry) to whiten their teeth
ammonia
chemistry
history
urea
urine
科学
科幻小说
源
hydrogen powered cars may be fueled by stored ammonia
ammonia
catalysts
chemistry
hydrogen
hydrogen economy
scientific method
技术
源
rotten skate, south korea's 'smelliest food,' peels your mouth skin off
生活型態
鱼
韓國
ammonia
hongeo
urine
食物
源
astronauts made a rare six hour spacewalk on christmas eve to fix iss
美国国家航空航天局
ammonia
astronauts
cool
iss
space
spacewalk
技术
源
watch copper sulfate and ammonia react in slow motion
ammonia
chemical reactions
chemistry
copper sulfate
slow motion video
科幻小说
源
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