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国外研发新型紧凑型声呐
紧凑型 声呐 回声处理
2024/1/18
新加坡国立大学研究团队研制出新型紧凑型声呐，该声呐采用新型回声处理方法，与传统声音回声可视化信号处理方法相比，在图像清晰度、传感器数量和使用的传感器阵列尺寸权衡等方面具有优势。
Acoustic technique presents fresh take on water treatment
Acoustic technique water treatment
2016/3/28
When oil and gas are extracted from the earth, water also comes to the surface. Known as produced water, it contains naturally occurring hydrocarbons, salt, bacteria, radioactive material and other co...
The Surface of the Sea is a Sink for Nitrogen Oxides at Night（图）
Nitrogen Oxides Sink Surface
2014/3/20
The surface of the sea takes up nitrogen oxides that build up in polluted air at night, new measurements on the coast of southern California have shown. The ocean removes about 15 percent of these che...
University of Illinois study of 2011 flood will lead to better preparedness（图）
2011 flood better preparedness Illinois
2014/3/20
In May 2011, when the U.S. Army Corps of Engineers used explosives to breach a levee south of Cairo, Ill., diverting the rising waters of the Mississippi and Ohio rivers to prevent flooding in the tow...
A new way to break the ice（图）
ice a significantly
2014/3/20
A research team has developed a significantly more cost-effective and easily accessible process for testing ice adhesion with different materials. Development of this process and other findings in fun...