Sound insulation is a method of reducing noise in the path of sound wave propagation. Its effect is more obvious than sound absorption and noise reduction, so sound insulation is an effective measure to obtain a quiet building acoustic environment. According to the way of sound
The Ministry of Environmental Protection recently released three standards, such as Acoustic Environmental Quality Standards, Environmental Noise Emission Standards for Industrial Enterprises, and Noise Emission Standards for Social Living Environments, and improved China's
After incandescent lamps and fluorescent lamps, LEDs detonated the third revolution of light sources, and the world has set off a wave of LED lighting to replace traditional lighting. According to the forecast of relevant institutions, the global lighting market will reach 82.1 billion US dollars i
At present, more than 20 million people in Japan need to transplant skin, bones, cartilage and joints. The University of Tokyo Medical School Affiliated Hospital announced that its research team has used 3D printers and genetic engineering technology to successfully develop technologies th
The increase in the functionality of mobile phones has become increasingly demanding on PCB design. With the arrival of a round of Bluetooth devices, cellular phones and the 3G era, engineers are paying more and more attention to the design techniques of RF circuits. This article refers to the a
It's hard to hear or see the discussion about IoT (Internet of Things) at an industry conference, but recently at the ICCAD Summit, a new foundry for IoT applications— - Triple Fujitsu Semiconductor is still making the Chinese IC industry shine! At this ICCAD summit
It is rich in nutrients, improves immunity, and loses weight. Mushrooms contain a lot of nutrients such as inorganic substances, vitamins and protein, but the calories are very low, and they often do not gain weight. Yogurt not only helps digestion, but also effectively prevents intestinal infection
The latest news, BlackBerry, gave up its plan to sell the company on Monday and announced the resignation of its CEO, Thorsten Heins. The news caused the BlackBerry's stock price to fall 16%, causing people to worry that the troubled BlackBerry will have no choice. BlackBerry said tha
The establishment of intelligent lighting trends will open up a broader space for growth in the LED industry. We believe that smart lighting will enter a period of rapid development in the next 1-2 years. It is recommended to lay out LED intelligent lighting panels, and recommend related companies t
Editor's note: The emergence of a large number of light-emitting diodes (LEDs) as solid-state light sources has made incandescent lamps increasingly backward. In the past few years, LED technology has made great progress, and advances in heat dissipation, packaging, and process
According to the problems of this series, the two concepts are completely different between the chip and the lamp bead. The chip is part of the process of forming the lamp bead. In the manufacturing process of the lamp bead, the bracket is included, and the chip lens lamp is composed. The components
According to recent reports, the invention of the blue-light diode (LED) that won the 2014 Nobel Prize in Physics has commercialized lighting fixtures that consume less power and have a longer life than incandescent bulbs and fluorescent lamps. It is also used in backlights fo