查询词典 led

As traditional fluorescent tubes contain Mercury , and which is every harmful once any leakiness occurred , however, LED tubes do not contain any harmful materials, and will not cuase pollution to environment , so,the LED ligths is recognised as the green lighting products in 21st century .

传统日光灯中含有水银，泄漏会危害人体，而LED日光灯不含任何有害物质，对环境起到保护作用，被公认为二十一世纪的绿色照明产品。

The pleunm anti-static insulated material housing prevents short circuit led by the contact of welding spot and the metal channel of word sign. At the same time, the circuit uses particular constant current design and lightning arrester. Silicon rubber leads between modules of anti-aging and anti-cracking guarantee the long-term work in bad environment of open area while the low resistance of lead reduces the affection to the emitting brightness of LED by voltage drop.

其外壳采用阻燃防静电绝缘材料，可防止 PCB焊点与金属字槽壳的接触而产生短路，同时电路采用独特恒流电路设计及雷电吸收装置，模组间连接线采用软硅橡胶导线，在恶劣的户外恶劣环境下长时间使用，导线不会老化脆裂，同时导线内阻比较小，降低压降对LED发光亮度的影响。

We have single light source LED of miner's lamps that can reach 60~70 lumen.

该款矿灯专用大功率led产品是我司针对目前led矿灯的的特点，专门开发并推出的。

And this key manner is also use for analyzing the status of LED road lighting luminaire from 2007 till now.

揭示了评价LED 路灯光度特性优劣的核心方法，并用此方法对2007 年至今的LED 道路照明灯具的状况进行

In this study, we utilized NCCmelan5 and NCCmelb4 melanoblast, two melanoblast cell lines which were previously used to investigate the treatment of vitiligo, to investigate the anti-apoptotic effects of LED (630nm), and ruled out others causes of repigmentation including proliferation, mitochondrial metabolism, melanin production, migration distances of MBs after irradiation, to formulate the theoretical basis LED's treatment of vitiligo.

在此研究中，我们使用研究白斑常用的NCCmelb4 and NCCmelan5两株黑色素母细胞珠来研究LED 光源对黑色素母细胞的抗凋亡的细胞保护功能，并且排除其对於细胞直接造成细胞增生，细胞移动，或黑色素增加的机转，希望为其治疗白斑的应用提供依据。

For the requirement of high efficiency light emitting diode luminaries and the characteristics of automotive headlamp exit beam,based on non-imaging optical theory,a theory model for new type LED parabolic reflector optimal design is established to maximize the utilization of light energy of the reflection cup and to realize the asymmetric light intensity distribution of the headlamp exit beam.

针对当前发光二极管灯具的高效率要求和汽车前照灯出射光束特点，根据非成像光学理论建立了新型LED抛物反射器优化设计的理论模型，实现了反射杯光能利用率的最大化和前灯出射光束的不对称光强分布，进而依据该模型设计了新型反射式LED汽车前照灯光学系统。

The project ducts research on new sealing structure of power-type white light emitting diode to achieve low thermal resistance and emitting efficiency over 80lm/W. It can promote phosphor transfer efficiency and improve sealing technique procedure, introduce automatic production and testing equipment,to increase white light LED emitting efficiency and other performance indexes and further large-scale productivity.

本项目专题研制开发功率型白光发光二极管新型封装结构，实现低热阻、发光效率达80lm/W以上的LED光源封装能力，提升自制荧光粉转换效率与制备技术，改进现有封装工艺制程，引进自动化生产及测试设备，提升白光LED发光效率及其其它各项性能指标，形成批量生产能力。

Despite of the wide and rapidly growing application of LED, the reliable method for its photometric measurement is worth while to be researched.

随着LED产业的快速增长，LED的光度测量仍然是一个值得探讨的问题。

Alloy frame, Double Wall Alloy tire circle, Dishing brake, forging suspension front fork, Alloy adjustable handlebar stem with gears, alloy handle, alloy retroflex saddle tube, alloy adjustable rack, middle parking rack, Alum-plating electric mudgurads, alloy cranks, 1.75 glisten tires. SHIMANO 6-speed chains linker, SHIMANO gearlever, spring saddle,24V.9AH/13AH battery, intelligent meterplate, LED front and rear lights, 3-grade Electric Assist Driving System（1st,Bike;2nd,1:1 Standard Riding Pull-assist; 3rd,Strong Pull-Assist） 6-grade Manual speed changes,1.8A NiMH Battery chargerAlloy Power-cut Brake handle

描述： 6061#铝合金高强度车架，铝双层车圈、前后碟刹、铝前花鼓、锻造铝合金减震前叉、有牙铝合金把立、铝合金把横、铝合金翻转鞍管、铝合金可调节衣架、中支撑、铝合金曲柄，镀铝导电型前后泥板、1.75反光轮胎、禧玛诺外6速拨链器、禧玛诺变速杆、弹簧减震坐垫、9AH/13AH镍氢电池、智能仪表盘、LED照明前灯、后LED灯、三档电动助力驱动系统（一挡、自行车；二挡、1：1标准骑行助力；三挡、强助力）、6档机械变速、1.8A镍氢电池充电器、全铝断电刹车握把。

Grand-LED Sign is professional manufacturer,specializing in the research ,manufacture and service on the latest LED signage.

美集标牌是一个全新的新一代LED标牌的专业生产商，公司致力于向客户提供创新卓越的产品服务及解决方案。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。