煤焦油是伦敦煤气道路照明几乎无限的副产物，利用便宜量大的煤焦油，染厂于1857年开始生产世界上第一种合成染色材料。
Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London's gas street lighting, the dye works began producing the world's first synthetically dyed material in 1857.
道路照明中的亮度水平应属中间视觉范畴。
Brightness level of the road lighting should be of the mesopic vision category.
道路照明弹的持续时间从2分钟增加到4分钟。
道路照明系统是城市建设不可缺少的公用设备。
Street lighting system is the absolutely necessary public equipment for the city construction.
本文就城市道路照明节电技术进行了简单的探讨。
In this paper, urban road lighting energy-saving technology is investigated briefly.
与现有各款式路灯头能较好匹配，符合道路照明标准各项要求。
It can match various existing street lamp caps and meet various requirements of lighting standards of roads.
产品主要用于道路照明、隧道照明、工矿照明、广场照明、庭院草坪照明等。
The product used for primarily the road illuminates, the tunnelilluminates, work mineral illuminate, guesthouse and ginshop, square illuminate, the courtyard lawn illuminates etc.
最后建议对于道路照明计算应采用由反应时间法获得的光视效能最大值计算式。
At last, it was proposed that equation derived from reaction time should be used in road lighting calculation.
路灯作为城市道路照明以及景观照明一直在城市亮化工程中扮演着最重要的角色。
Street lamps for urban road lighting and landscape lighting have been playing the important role in the urban lighting project.
产品广泛应用于：城市亮化，工程照明，道路照明，居家照明，商业照明等领域。
Our products are widely used in design city -lighting, project lighting, road lighting, household lighting, commercial lighting and other fields.
用途：适用于道路照明、机场、车站码头、广场、停车场照明及海滨、公园照明。
Application: Lighting of road, square, aer-port, dock, station and beach, park.
在不降低照明标准、提高照明质量的前提下，对城市道路照明采取节能措施很有必要。
It's necessary to adopt power saving measures on lighting of urban roads, providing that it should meet the requirements of lighting standard and improve lighting quality.
今天，这项技术取得了进步，可以用来制造耐用、低能耗且对社区友好型的道路照明设备。
Today, the technology has progressed to the point where it can be used to create durable and community-friendly, low-energy street lighting.
研究道路照明应以更加符合人眼视觉特性的亮度指标和可见度指标对道路照明质量进行评价。
The research on the appraisal to the road lighting quality should use luminance standard and small target visibility level which are more conform to the human eye visual characteristic.
为此，通过反应时间来研究中间视觉条件下的道路照明已成为该学科国际上的前沿研究课题。
Therefore, studies on the mesopic vision condition through the reaction time of the road lighting have been the front research topic.
由于目前国内尚缺乏定量地评价道路照明光源相对光效的指导方法，导致此问题一直悬而未决。
There isn't a guidance method of evaluating luminous efficacy of light sources on road lighting yet resulted in the problem has not been solved at present.
本产品适用于城市快速路：主干线、次干线、支路、工厂、学校、公园、住宅小区、庭院等道路照明。
This product is applicable to city express way: main trunk road, sub-trunk road, spur track, roads of factory, school and park, various residence roads and courtyard etc.
本产品适用于城市快速路：主干线、次干线、支路、工厂、学校、公园、住宅小区、庭院等道路照明。
This product is applicable to city express way:mian trunk road, sub-trunk road, spur track, roads of factory, school and park, various residence roads and courtyard etc.
本文从设计、运行管理、节能技术的角度对道路照明节能进行分析，并探讨如何实现城市道路照明节能。
From the design management technology, the paper analyses the road lighting energy-saving, and discuss how to save energy in road-lighting.
道路照明是电力系统的一个大用户，其用电量占据整个照明用电量的20%以上，存在巨大的节电空间。
As a big consumer in electric system, road illumination takes account more than 20% consumption in illuminating electricity, so there is a huge space for energy saving.
采用先进技术提高路灯自动化控制与管理水平，已经在城市道路照明系统建设当中发挥着越来越重要的作用。
Improving the automated control and management level of street lamp with advanced technology has become more and more important during the construction of city Road lighting system.
最后，为了便于在道路照明中运用，还给出了由相对发光效率计算相对视觉反应时间和乘法系数的表达式。
Finally, in order to use the result easily in road illumination, the article gives out the calculation formula of relative visual sense reaction time and multiplication coefficient th…
通过该方法设计得到的透镜，体积小，高出光效率，光束准确可控，可得到满足道路照明需要的矩形规则均匀光斑。
The lens designed by this method has small size, high light efficient, accurate beam control, it can achieve the required uniform rectangular facula for the street lighting.
LED路灯作为道路照明的发展趋势已经得到普遍认同，但产品研发过程中却忽略了在寒地应用环境下的特殊技术要求。
LED street lamp used for roadway lighting is commonly recognized, but the technical requirements of application in cold area are neglected in product research.
浙江映嘉环境设计工程有限公司是一家具备城市道路照明、景观照明及建筑照明设计和安装一体化服务的专业工程公司。
Zhejiang Azalea Environment design construction is a construction company has professional certificates on road lighting, landscape lighting, building lighting design and construction.
科学数据表明：良好的道路照明至少降低30%的城市交通事故率，45%的乡村道路事故率，和30%的高速交通事故率。
Scientific data indicate that:Good street lighting reduced by at least 30% of City traffic accident rate, 45% of the rural road accident rate, and 30% of high-speed traffic accident rate.
良好的道路照明要求LED路灯的配光为长方形的光型，路灯发出的所有光刚刚可以覆盖住马路，而马路之外的光污染几乎为零。
A good roadway illumination requires the LED street light to have a rectangular light distribution pattern just cover the roadway and without any light pollution out of the road.
文章主要对LED道路照明与传统路灯在体积、反应速度、抗震性、使用寿命、使用电源适应性、成本等方面进行了一系列比较。
This paper describes on LED lighting and conventional lamps in size, response speed, shock resistance, life, using the power adaptation, such as a series of cost comparison.
本文在介绍国外道路照明的发展趋势的基础上，展望了我国未来的道路照明，并对道路照明新产品的开发与提高产品质量问题提出了建议。
Based upon the trend of foreign road lighting, with a prospect of the Chinese road lighting in future, this paper offers some proposals for development of new products and promotion of their quality.
本文在介绍国外道路照明的发展趋势的基础上，展望了我国未来的道路照明，并对道路照明新产品的开发与提高产品质量问题提出了建议。
Based upon the trend of foreign road lighting, with a prospect of the Chinese road lighting in future, this paper offers some proposals for development of new products and promotion of their quality.
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