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Sciencedirect 这个网站目前国际上具有权威性的论文网站，你只需要在"All fields"处（如图）输入你想要写论文的关键字，比如你想写“爆破方面的论文”那你就可以输入“blasting"，然后点击"Search sciencedirect "，下面就会出来很多与“blasting"有关的论文；然后，你选择你想要的论文，比如"The numerical analysis of borehole blasting and application in coal mine roof-weaken "，那么你可以在点击题目下方的PDF（909k)即可下载（如图）。下面是网址_ob=ArticleListURL&_method=list&_ArticleListID=1580740382&_sort=r&_st=13&view=c&_acct=C000056885&_version=1&_urlVersion=0&_userid=2318800&md5=1fafe80f4c7511d5d8d1772a3d71cfdf&searchtype=a/
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