As the domestic economy is not optimistic, the domestic sales of lighting lighting is not satisfactory, and many companies choose to switch to overseas markets. Chen Yansheng, chairman of China Lighting Association, said that China has become the global LED lighting production base. In 2013, the lig
Technology is a hard condition for development, and design penetrates into every corner of people's lives with soft power. With the development of lighting technology and the development of LED technology, the application of LED lighting in daily life has become more and more common. How to deve
Different temperatures and humidity will have different effects on plant growth and photosynthesis. At different temperatures, the transpiration and photosynthetic rate of the plant will change as the soil temperature changes, and the intercellular CO2 concentration will also have They fl
CNC flame cutting machine is a common cutting equipment that is currently required for cutting and cutting in the market. Although the cutting range is smaller than plasma cutting, the cutting range is much smaller than plasma cutting. At present, the cutting thickness of numerical
The State Council's action plan for energy conservation and emission reduction and low carbon development from 2014 to 2015 clearly requires the implementation of 100 Mingchang Standard Promotion Projects, and has formulated a series of important standards, general illumination, tungsten halogen
From the Wuhan Municipal State Taxation Bureau Automobile Purchase Tax Sub-bureau, it was learned that from January to October this year, the city handled a total of 272,138 tax returns on vehicle purchase tax, an increase of 41.55% over the same period last year. Among them, 29,952 tax returns on
Novelis Inc., the world's largest automotive supplier of aluminum panels, has stated that China's vigorous development of electric vehicles may push aluminum demand to rise faster than expected. In an exclusive interview, Shames Maudgal, president of Novelis Asia, said that the dema
On November 2, the analysis of atmospheric pollution sources issued by the environmental protection department of Heilongjiang Province showed that automobile exhaust emissions have become one of the most important sources of air pollution in some cities. In the past three months, Harbin has accele
Analytical analysis of the stent system In order to understand the dynamic characteristics of the stent system, various analytical calculations were performed on the stent system, and the effects of parameters that are difficult to determine were quantified. Firstly, the free modal analysis and c
In the next five years, China's auto parts manufacturing industry is expected to achieve annual growth of more than 20%. While the demand for new cars continues to drive sales of passenger vehicles, the aftermarket will become the new growth engine for the parts and components industry. This i
As a common engine for small general-purpose aircraft, the aviation piston engine converts about 30% of the heat released by fuel combustion into effective work to drive the propeller to generate tension, 45% of the heat is lost to the atmosphere with the exhaust gas, and another 25% is taken
Cause analysis of cylinder volume liquid: The ammonia cooling system of the continuous reforming unit is not used. When the hydrogen gas passes through the contact system, the temperature does not fall, and the heavy components in the hydrogen cannot be precipitated and condense into a liquid. Th