搜索结果: 1-2 共查到“土木建筑工程 variability”相关记录2条 . 查询时间(0.132 秒)
Spatial and temporal variability of heavy metals in streams of the Flint Creek and Flint River Watersheds from non-point sources
Spatial and temporal variability heavy metals the Flint Creek and Flint River Watersheds non-point sources
2010/9/20
Throughout the United States, non-point pollution is responsible for large quantities of heavy metals entering bodies of water. Pollution as a result of heavy metals can impact drinking water supplies...
THE ADOPTION RATE OF E-COMMERCE IN THE U.S. AND ITALIAN CONSTRUCTION MARKETS: SOME REASONS FOR ITS VARIABILITY
e-commerce transaction costs purchasing subcontracting
2010/9/28
There is evidence that the adoption rate of e-commerce applications in the US construction market varies widely, notwithstanding their potential benefits. This paper focuses on some of the reasons beh...