检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
出 处:《China Chemical Reporter》2010年第7期9-11,共11页中国化工报导(英文版)
摘 要:1.Petroleum products demand keeps rising, but at slower pace, in 2009 China’s GDP achieved an annual growth of 8.7% in 2009, with its economy trend of restraining in the start of last year and rising afterwards. Closely related to the GDP, the demand for petroleum products also showed the same pattern. The petroleum products prices slowed down in early 2009 and subsequently rose, with signs of slowing increase for petroleum products prices. The nation’s apparent consumption (the sum of production plus imports minus exports) of petroleum products rose 4.6% from a year
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:3.129.206.232