In 2014, it was called the year of LED development. With the further maturity of domestic LED technology and the falling prices, coupled with the rise of the global ban, the Chinese LED lighting products are more competitive in the international market.
In recent years, China's LE…

The Beijing Municipal Government’s recently published “Working Plan for Pollution Control of Vehicle Emissions for 2013-2017†stated …
Cart detachable garbage truck hopper: The hopper is a metal welded part, open and sealed in two forms. When the bulk cargo is loaded into the hopper, a hanging chain is hung and the hopper can be lifted onto the vehicle by operating the swing arm. W…
The main source of crop yield is the conversion of photosynthetic energy from leaves to stored energy and material, and the leaf area and chlorophyll content are two important factors affecting the rate of photosynthesis. It is generally believed that the greater the leaf area, t…

In the study, scientists found that a weak link in soil science, botany, watershed ecology, and environmental science research is the relationship between the loss of soil nutrients and the evolution of land cover patterns in small watersheds. Land use, as a comprehensive reflect…
At present, the gear transmission devices in China's nuclear power, wind power and other large-scale energy devices mainly rely on imports. The design and production of domestic gear devices cannot meet the requirements for the use of large-scale energy devices such as nuclear power an…
Determination of carbon dioxide in cement is generally referred to GB/Tl76-2008 "Chemical Analysis of Cement", and the detection of carbon dioxide is mainly based on asbestos absorption weight method. If this method is used improperly in the process, it will cause some …