Body material : | Aluminum Alloy+PC cover |
Power supply: | The solar panel(Monocrystalline 2.5V /120MA) |
Battery: | Lithium battery 1000MAH*3.2V |
LED: | Ultra-bright diameter 5mm*6PCS |
LED Color: | White Green Red Yellow Blue |
Flashing model: | flashing or constant |
Working hours: | 140 hrs for flashing modes,40hrs for constant modes |
Visual distance: | 1000m(approx) |
Waterproof: | IP68 |
Load capacity | >30T(can be installed in the middle of the road) |
Size: | Ф123*45mm |
Weight: | 30kgs/ctn,30pcs/ctn |
Life span: | more than 5 years |
Working Temperature | -20 °C~ + 70°C |
waterproof | IP68 |
福建高考英语试卷中的新题型“短文填词”解题思路 2009 年 12 月 9 日 Step I Greeting the class as usual to get ready for class. Step II Presentation 1. Show the students a passage about Word-filling (09 福建省高考英语考试说明样题) 短文填词(共 10 小题;每小
Road studs circuit diagram retroreflective raised pavement markers led solar reflector US $5.00 - $6.00 / Piece
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Asphalt-based materials are abundant and a major nontraditional source of reactive organic compounds in urban areas, but their emissions are essentially absent from inventories. At typical temperature and solar conditions simulating different life cycle stages (i.e., storage, paving, and use), common road and roofing asphalts produced complex mixtures of organic compounds, including hazardous
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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of
The leading company in the development, design and manufacturing of applied materials for the built environment.
2020-9-24 · Road surface marking is any kind of device or material that is used on a road surface in order to convey official information; they are commonly placed with road marking machines (or road marking equipment, pavement marking equipment).They can also be applied in other facilities used by vehicles to mark parking spaces or designate areas for other uses.
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ICAO, UPU, urge national commitments and support for postal, air cargo, and express mail operators
IRC:SP:87-2013 Alternatively, Solar Powered Road Markers are more effective and draw attention of drivers and shall be provided at locations like at Sl, 6 & 8 and also other locations where performance of normal road studs are not that effective due to street lightings and other roadside activities. 9.6 Traffic lmpact Attenuators
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The ontology sparse vector learning algorithm is essentially a dimensionality reduction trick, i.e., the key components in the p-dimensional vector are taken out, and the remaining components are set to zero, so as to obtain the key information in a certain ontology application background.In the early stage of ontology data processing, the goal of the algorithm is to find the location of key