搜索结果: 46-60 共查到“国际动态 交通运输工程”相关记录395条 . 查询时间(2.346 秒)
Crash test simulations expose real risks
Crash test simulations real risks
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2015/12/7
More than 33,000 Americans die in motor vehicle crashes annually, according to the Centers for Disease Control and Prevention. Modern restraint systems save lives, but some deaths and injuries remain-...
Making cars of the future stronger,using less energy
Making cars the future stronger less energy
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2015/11/12
Engineers at The Ohio State University have developed a new welding technique that consumes 80 percent less energy than a common welding technique, yet creates bonds that are 50 percent stronger.The n...
Beyond looking both ways
both ways
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2015/7/13
A 10-year-old boy pedals his bicycle slowly to a busy intersection. In front of him, cars and SUVs whiz by, without pausing. He waits for a gap in traffic. When he sees one, he pushes off, gaining spe...
Doppler on Wheels--the biggest 'dish' on the road!
Doppler on Wheels the biggest dish on the road
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2015/5/25
For nearly a decade, with support from the National Science Foundation (NSF), Doppler on Wheels (DOW) has been doing its best work in dangerous weather, driving into the eye of the storm to gather sci...
Car safety system could anticipate driver's mistakes（图）
Car safety system driver's mistakes
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2015/4/29
It may be a while yet before we have cars that drive themselves, but in the near future your car may help you drive. In particular, it could warn you when you’re about to do something stupid.Cornell r...
Road safety through snowflake imaging（图）
Road safety snowflake imaging
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2015/3/4
The technology behind the camera that revealed the intricate, imperfect beauty of snowflakes can now expose their potential danger.About three years ago, a new high-speed camera systemcaptured fr...
Engineering the spark that starts the wildfire
Engineering the spark starts the wildfire
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2015/3/4
Hot metal fragments can be created from power lines, overheated brakes, railway tracks or any other manner of metal-on-metal action in our industrialized society.The particles can reach more than 5,00...
Improving electric vehicle sales may require solving unique chicken and egg problem
electric vehicle sales unique chicken egg problem
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2015/3/4
In 2011, an important national priority was declared: Put 1 million electric vehicles on the road by 2015. Since then, sales of plug-in electric vehicles have risen and continue to rise, but they pale...
Taxi GPS data helps researchers study Hurricane Sandy's effect on NYC traffic（图）
Taxi GPS NYC traffic
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2014/12/1
When Hurricane Sandy struck the east coast in late October 2012, the “superstorm” disrupted traffic in New York City for more than five days, but the evacuation proceeded relatively efficiently with o...
Designing tomorrow's air traffic control systems（图）
air traffic control systems Designing
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2014/12/1
On a good day, flying can be a comfortable and efficient way to travel. But all too often, weather or overcbooking can cause delays that ripple through the system, inducing missed flights, anxiety, di...
Designing tomorrow's air traffic control systems
Traffic control system weather
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2014/10/16
On a good day, flying can be a comfortable and efficient way to travel. But all too often, weather or overcbooking can cause delays that ripple through the system, inducing missed flights, anxiety, di...
新加坡无人驾驶车预计明年首次上公路
新加坡 无人驾驶车 预计明年 上公路
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2014/9/2
新加坡交通部已成立了委员会，探讨在交通系统中采用无人驾驶技术，把新加坡打造成更宜居的城市。交通部常任秘书彭建强领导的“新加坡自动驾驶陆路交通委员会”（Committee on Autonomous Road Transport for Singapore，简称CARTS）由17人组成，包括相关政府机构代表、国际知名专家、学者和业内人士。他们将在未来两年内引导无人驾驶车的研发工作，并探讨这项发展所带...
日本利用白频段开展车-车通信实验
日本 白频段 展车-车通信实验
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2014/7/25
《日刊工业新闻》报道，日本丰田IT开发中心近期成功利用白频段（注）进行了车与车之间的无线电通信实验。车与车之间的无线电通信作为下一代汽车安全技术被业界寄予厚望，目前日本已为其划分了700MHz带宽的频率资源，但在技术普及的过程中仍将遇到可用频率不足的瓶颈。通过使用白频段实现车与车之间的通信实验，为此项技术的发展带来了光明。
Chancellors Place traffic lights encourage sustainable travel to UQ（图）
Traffic lights bike bus
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2014/7/7
Traffic lights installed on The University of Queensland’s St Lucia campus early last year are improving safety for people travelling to the University by foot, bike or bus.
欧洲发明百公里加速2.8秒新型液流电池汽车
欧洲 百公里 液流电池汽车
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2014/3/21
来自欧洲列支敦斯登的nanoFLOWCELL公司在本届日内瓦车展上发布了QUANT e-Sportslimousine原型车，它是一款采用液流电池技术的电动汽车。据悉，液流电池动力系统能够支持该车行驶400—600公里。液流电池将电化学蓄电池以及燃料电池的各个方面相结合。液体电解质存在于两个电池仓中并经过电池流通。系统中心有一层隔膜将两个电解质解决方案分隔，但仍能容许电荷流通，从而为动力系统制造动...