This article provides an overview of light-emitting diode (LED) technology, focusing on its efficiency, historical ...

Fluorescent lamps are high-efficiency lamps that use electrical discharge through low-pressure mercury vapor to produce ultraviolet (UV) energy, which is then transformed into visible light. The UV ...

LED lighting is up to 44% more efficient than 4-foot fluorescent tubes, according to a University ... products were 18%–44% more efficient than T8 fluorescent lamps. The study was published ...

Tired of the persistent hum his fluorescent desk lamp made, [Andres Lorvi] decided he had to fix it. And by fix, we mean get rid of altogether. He liked the lamp though so he decided to convert it ...

Instead a very different type of electronic component ruled the roost, the vaccum tube. A set of electrodes in an evacuated glass envelope whose electrical properties depended on the modulation of ...

Description: 7-1/2 INCH NEW CONSTRUCTION INSTALLATION UL, CSA APPROVAL COMMERCIAL, RESIDENTIAL, DAMP LOCATION APPLICATION ELECTRONIC BALLAST TYPE 1 LAMP(S) TRIPLE TUBE CFL, GX24Q-3 BASE, 4-PIN LAMP ...

During the past decade and a half, intrinsically fluorescent proteins have been under intense evolutionary pressure for 'fitness', not in the wild, but rather for utility in live-cell imaging ...

[汽车之家 国内谍照] 日前，在最新的工信部目录中，我们看到了奇瑞风云T8 C-DM的申报信息。车辆将提供5座和7座车型可选，动力上将搭载1.5L涡轮 ...

Over the years, solar tube lighting systems have become popular modern lighting solutions. And when it comes to using this eco-friendly option there are pros and cons that center on roof type ...

易车讯 日前，我们从工信部网站获取到了一组奇瑞风云T8的申报图。该车定位为紧凑型SUV，搭载1.5T的插电混动系统。 外观方面，风云T8采用了风云 ...

Exclusive to Ultimate trim, the T8 has 449bhp and a sub-five second 0-62mph time, making this XC60 remarkably rapid. With an official electric-only range of around 48 miles, it should also prove ...