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yong dao ke hui zhi zao shui ni
Pages: 62-63
Year: Issue:  5
Journal: Knowledge is Power

Abstract:  又到了一年稻谷丰收的季节了.全世界每年生产6亿多吨稻谷.在稻谷加工成稻米之后,不少地方的农民把稻壳当做垃圾扔掉了,一些地方的农民把稻壳和稻草一起烧掉.这种处理方法极大污染了环境,燃烧时产生的浓烟会引发呼吸道疾病.最近,美国一家化工公司的研究人员打算利用这些稻壳来制造水泥.
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