نتایج جستجو برای: roadway roughness

تعداد نتایج: 24327  

Journal: :Remote Sensing 2017
Robin Faivre Jérôme Colin Massimo Menenti

Robin Faivre 1,2,*, Jérôme Colin 1 and Massimo Menenti 2,3 1 ICube Laboratory, UMR 7357 CNRS-University of Strasbourg, F-67412 Illkirch Cedex, France; [email protected] 2 Department of Geoscience and Remote Sensing (GRS), Delft University of Technology, 2628 CN Delft, The Netherlands; [email protected] 3 State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital...

2016

The authors use a coupled atmosphere-ocean-wave model (SWAN) to simulate winds in a particular region on the continental shelf in the Mediterranean Sea. After showing that the model does a good job in reproducing the observed wind and wave patters, the authors use different parameterizations for the atmospheric bottom roughness length: in one case it depends on wind intensity ("uncoupled" simul...

Journal: :journal of lasers in medical sciences 0
mansoreh mirzaie department of operative dentistry, tehran university of medical sciences, tehran, iran esmaiel yassini department of operative dentistry, tehran university of medical sciences, tehran, iran saber ganji private practice, tehran, iran zohreh moradi department of operative dentistry, tehran university of medical sciences, tehran, iran nasim chiniforush laser research center of dentistry (lrcd), dental research institute, tehran university of medical sciences, tehran, iran

introduction: bleaching process can affect surface roughness of enamel, which is a vital factor in esthetic and resistance of tooth. the aim of this study was to compare surface roughness of enamel in teeth bleached using diode and neodymium-doped yttrium aluminium garnet (nd: yag) lasers with those bleached using conventional method. methods: in this study, 75 anterior human teeth from upper a...

2014
Zuopeng Zhao Yuanyuan Zong

To save the escaping time for the coal mine flood, improve the emergency rescue efficiency, an NShortest Paths algorithm utilized bidirectional search is presented, which is based on the classical Dijkstra algorithm. The algorithm was proposed roadway length equivalent weights to simulate the mine roadway length. Combined with GIS theory to extract topology structure of mine, an undirected weig...

Journal: :Professional safety 2014
Brian S Hammer Stephanie G Pratt Peggy Ross

Millions of U.S. workers are at risk for a work-related motor vehicle crash. Fatality data show that across all industries, motor vehicle crashes are consistently the leading cause of work-related fatalities. Of 43,025 work-related fatalities reported by BLS between 2003 and 2010, 10,202 were the result of single- or multiple-vehicle crashes of workers driving or riding in a vehicle on a public...

Journal: :civil engineering infrastructures journal 0
rasoul ghobadian hydraulic structures ali fattahi water resource engineering milad farmanifard young researchers club, kermanshah branch, islamic azad university arash ahmadi water civil engineering

different construction materials with different roughness used to make circular weirs highly affect surface roughness and, in turn, flow hydraulics passing over these structures.  in the present research, numerous experiments under different hydraulic conditions were performed on a physical model to study the effects of roughness on flow hydraulics over a circular weir. the flow hydraulics incl...

2005
Harvey H. Harper

Components of road surface degradation are common constituents of urban runoff. Studies conducted in Europe have indicated that as much as 0.05-0. 10 inch of pavement surface is worn away from the roadway each year. The largest component of street pavement is the aggregate material itself, with additional smaller quantities originating from the asphalt binder, fillers and substances applied to ...

2017
David C. Reid Mark T. Dunn Peter B. Reid Jonathon C. Ralston

The outcomes achieved at the completion of a major industry-funded project undertaken by the CSIRO Mining Technology Group to advance the automation capability of continuous mining equipment in underground coal mining operations are reported. The details of a practical steering and guidance solution for autonomous Continuous Miner operation employing novel inertial navigation aiding techniques ...

Journal: :JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 1964

Journal: :Journal of the Mining and Metallurgical Institute of Japan 1978

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