Comparative analysis of d5 and d9

The DVD±R DL disc is referred to as D9, which is a single-sided double-layer disc with a maximum capacity of 8.5GB. The ordinary DVD is a single-sided single-layer disc with a maximum capacity of 4.7 GB, referred to as D5. This article refers to the address: http:// DVD±R DL LOGO Here ----more

Technical characteristics and development trend of heav…

Heavy-duty vehicle transmissions are transmissions that are matched with heavy commercial vehicles and large passenger vehicles. Although there is no clear limit on the capacity division of transmissions in the industry, we usually refer to automotive transmissions with a nominal input torque of ----more

LED practitioners voice: optimistic about the prospects…

In 2012, the LED industry can be described as ups and downs. Having experienced the development of industry, it also witnessed the tide of industry closures; it was buoyant with government subsidies, and it also encountered product export cofferdams; it also played a big price war to occup ----more

Philips Professional Lighting Demonstration Park offici…

On the morning of August 20th, Philips (China) Investment Co., Ltd. held the groundbreaking ceremony for the Philips Professional Lighting (Chengdu) Demonstration Park in the Western Campus of Chengdu High-tech Development Zone, marking the establishment of Chengdu in Chengdu in June 2011. Since th ----more

Mingchuang photoelectric LED street lamp storage late m…

LED street lights were installed in some sections of Jinhua City. After a few years, they suffered from “unacceptable water and soil”. The street lamps costing 10,000 yuan were black but not repaired. The local streetlight management explained that the supplier is responsible, the suppl ----more

Bluetooth technology 1.0-4.0 standard analysis

[Audio Network Information] Mentioned Bluetooth, I believe that everyone will not be unfamiliar with this word. Bluetooth is the most common wireless transmission in current smart devices. It was a very fashionable word a few years ago. After so many years of evolution, Bluetooth technology ----more

Three kinds of bad causes and countermeasures for LED l…

In the production process, the LED light strip will have a LED suspended animation (ie, the LED is not lit), and this phenomenon is most likely to occur in the 5050 LED strip. The reasons for this phenomenon are as follows: 1. Static electricity burns out. Because the LED is an elec ----more