Effects of different spectral components on plants

Although the proportion of various spectra of solar radiant energy reaching the ground varies depending on latitude, season, topography and meteorological conditions, it is basically stable. According to the wavelength of solar radiation, it is generally divided into ultraviolet light, visible light

Blu-ray 4K or 8K? New optical media capacity 1TB

4K TV has been so popular for so many years that the Blu-ray 4K standard has not been introduced. Part of the reason lies in the capacity of Blu-ray Disc media. The existing 50GB Blu-ray Disc media can meet the demand for 1080p Full HD video and face 4K. "Big fat man&q

Is password security identification really safe?

Faced with the increasingly severe challenges of cloud, private data and facility security. Currently, establishing a common authentication solution is the most ideal way: a) support integrated security access for buildings, networks, and cloud services and resources; b) suppo

2014 TV Industry Top Ten Phenomenon Inventory

At the beginning of 2014, the separation of production and broadcasting, which had been calling for more than 10 years, was once again a big hotspot. From CCTV to first-line TV and then to seeking superior second- and third-line TV, they were all brought into the radio and t

Hunan Electric Power Express in December 2014

As of the 28th, Hunan Power Grid recalled 10.28 billion kilowatt-hours of electricity in December, and it is expected that the total recalled electricity this month will be 11.4 billion kwh, which is an increase of 5.4% from 10.82 billion kwh in the same period of last year. The monthly ma