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搜索结果: 1-9 共查到waterways相关记录9条 . 查询时间(0.046 秒)
Over-fertilization of agricultural fields is a growing environmental problem. Excess phosphorus from fertilized cropland frequently finds its way into nearby rivers and lakes. The resulting boom of aq...
Across North America, streams and rivers are becoming saltier, thanks to road deicers, fertilizers and other salty compounds that humans indirectly release into waterways. At the same time, freshwater...
Cornell engineers hope that clean water runs deep. They have developed a new technique to test for a wide range of micropollutants in lakes, rivers and other potable water sources that vastly outperfo...
The purpose of this paper is to depict and illustrate the benefits of High DefinitionSurveying (HDS) also known as 3-dimensional laser scanning, in contrast to traditional surveying methods, such as R...
Aquatic plant infestations impede commercial and recreational traffic through navigable waterways, block ports and passenger ferry terminals, and exert dangerous damaging pressure upon transportatio...
The purpose of this paper is to depict and illustrate the benefits of High DefinitionSurveying (HDS) also known as 3-dimensional laser scanning, in contrast to traditional surveying methods, such as R...
The High Contracting Parties declare that they accept the Statute on the Régime of Navigable Waterways of International Concern annexed hereto, adopted by the Barcelona Conference on April 19th, 1921....
Search and rescue on inland waterways are considered to be insufficiently developed. The methods of search and rescue have been developed only for sea waterways. Despite the possibilities of compariso...
10 May 2007,A marine weed native to Moreton Bay is overgrowing waterways around Australia, in California and throughout the Mediterranean Sea.

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