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The spread of the hanging speakers will be evener than that on the flat ground. We know that at this time: sound pressure = 20Log (reference distance / distance), ie SPL = 2

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The Semiconductor Equipment and Materials Industry Association (SEMI) predicts that global chip manufacturing project spending will increase by 22% this year, while chip manufacturing equipment spending will increase by 28%.

SEMI analyst Christian Gre

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Sucden Financial issued the base metal daily report on July 26th that the base metals of the Shanghai Futures Exchange performed strongly. Copper rose by more than 1%, but the spot market was quieter as investors once again avoided high prices.

During

2016 OLED Lighting Market Forecasts Up to $4.8 Billion

According to a report released by NanoMarkets, the company predicts that the 2016 global OLED lighting market scale is expected to reach 4.8 billion U.S. dollars, of which Europe is about 1.5 billion U.S. dollars and Asia is 2.1 billion U.S. dollars. Asia is t

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According to foreign media reports, the central business district of Brisbane, the capital of Queensland, Australia, has recently built the world's largest solar pedestrian bridge, which was opened to the public on October 4.

The

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The 10th annual Strategies in Light business-oriented conference and exhibition on high-brightness LEDs took place on February 18-20 at the Santa Clara Convention Center in Santa Clara, California. Strategies in Light is the leading conference and tra