- 1、本文档共4页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
- 5、该文档为VIP文档,如果想要下载,成为VIP会员后,下载免费。
- 6、成为VIP后,下载本文档将扣除1次下载权益。下载后,不支持退款、换文档。如有疑问请联系我们。
- 7、成为VIP后,您将拥有八大权益,权益包括:VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
- 8、VIP文档为合作方或网友上传,每下载1次, 网站将根据用户上传文档的质量评分、类型等,对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档
查看更多
2013职称英语理工类必看
2013职称英语理工类必看
Underground Coal Fires a Looming Catastrophe? ?? ???Coal burning deep underground in China, India and Indonesia is threatening the environment and human life, scientists have warned, these large-scale underground blazes cause the ground temperature to heat up and kill surrounding vegetation, produce greenhouse gases and can even ignite forest first, a panel of scientists told the annual meeting of the American Association For the Advancement of Science in Denver. The resulting release of poisonous elements like arsenic and mercury can also pollute local water sources and soils, they warned. ? ?? ???“Coal fires are a global catastrophe,” said Associate Professor Glenn Stracher of East Georgia College in Swainsboro, USA, But surprisingly few people know about them. ? ?? ???Coal can heat up on its own, and eventually catch fire and burn, if there is a continuous oxygen supply. The heat produced is not cause to disappear and under the right combinations of sunlight and oxygen, can trigger spontaneous catching fire and burning. This can occur underground, in coal stockpiles, abandoned mines or even as coal is transported. Such fires in China consume up to 200 million tones of coal per year, delegates were told. In comparison, the U.S. economy consumes about one billion tones of coal annually, said Stracher, whose analysis of the likely impact of coal fires has been accepted for publication in the International Journal of Coal Ecology. Once underway, coal fires can burn for decades, even centuries. In the process, they release large volumes of greenhouse gases poisonous fumes and black particles into the atmosphere. ? ?? ???The members of the panel discussed the impact these fires may be having on global and regional climate change, cand agreed that the underground nature of the fires makes them difficult to protect. One of the members of the panel, Assistant Professor Paul Van Dijk of the International Institute for Geo-Information Science and Earth obs
您可能关注的文档
- CTD对研发和审评的相关要求.ppt
- Oracle ERP 审批层次设定.ppt
- AWL学术单词表.doc
- 考研英语阅读资料-伦理道德类6.docx
- 汽车产品认证制度及技术法规简介.doc
- 核泵专业英语.docx
- Nuclear English-核电英语.doc
- 会议致辞相关表述.doc
- abnormal condition异常工况.docx
- 添加剂的发展及现状.doc
- 2025年重庆市继续教育公需科目考试试题及答案分版.docx
- 2024年河南省平顶山市叶水寨乡招聘社区工作者真题带答案详解.docx
- 2024年河南省平顶山市叶水寨乡招聘社区工作者真题附答案详解.docx
- 2024-2025学年人教版八年级生物下学期期末必刷常考题之生命的起源和生物的进化.pdf
- 2025年重庆专业技术人员继续教育公需科目考试试题及答案满分.docx
- 2024年河南省平顶山市叶水寨乡招聘社区工作者真题及答案详解一套.docx
- 骨科护理安全警示教育.pptx
- 2025年护士资格考点:剖宫产产妇术中心理护理每日一练(9月8日).doc
- 全民科学素质知识竞赛题库及答案.docx
- 尿毒症健康宣讲.pptx
最近下载
- 学生公寓管理年终总结.pptx
- 信息学奥赛一本通·初赛真题解析 第1章:计算机基础知识.docx VIP
- 2023《浅析徐福记食品公司的财务状况》.docx VIP
- 中级java工程师面试题及答案.doc VIP
- java中级工程师面试题及答案.doc VIP
- 冰雪旅游服务规范 .pdf VIP
- DB22_T 3073-2019 旅行社冰雪旅游接待安全管理规范.docx VIP
- 导游在冰雪旅游中的安全要求与服务技巧.pptx VIP
- 三年(2022–2024)高考数学真题分类汇编(全国通用)专题05 平面解析几何(选择题、填空题)(解析版) .pdf VIP
- DB22_T3073-2019_旅行社冰雪旅游接待安全管理规范_吉林省.docx VIP
文档评论(0)