Heat pump to lead the heating "revolution" a film to get heating

Traditional home heating is the focus of the construction of large coal-fired boiler heating station, and then by the heating pipelines to all households, so than the decentralized heating to improve thermal efficiency, but in the pipeline process, will result in new heat loss. And will cau

Jilin tourist bus accident has caused 11 people to be killed

According to CCTV news reports on July 2nd, overseas network, 7.1 episodes of Ante big traffic accident have so far caused 11 people to be killed, of which 10 Korean tourists and 1 Chinese driver are male. The accident vehicle model is the Changbai Mountain brand tourist bus. The

Leaf area detector helps determine pumpkin leaf area

The leaf is the most important organ for photosynthesis and transpiration of plants. The leaf area size is directly related to the synthesis of photosynthetic organisms and the efficiency of transpiration. The leaf area detector is a professional instrument for measuring the size

LED street light saving efficiency reaches 51.03

Many citizens have recently discovered that the night in Zhongshan has changed. It is no longer a faint yellow, but a clearer white. This is the LED energy-saving street lamp renovation project in the central city. It was learned from the Municipal Transportation Group that the first phase has

Jinan LED outdoor screen industry is in a downturn

Outdoor LED displays are widely emerging in major cities in China as emerging media. Jinan has introduced large-scale outdoor LED displays since 2006. At present, there are nearly 40 large outdoor displays in Jinan. According to the introduction of outdoor advertising practitioners, the effect

Step into the meager profit era to reveal the LED lamp power supply design


The LED power supply made by the constant current type control IC represented by the 9910 series is actually current limiting, and the control is relatively simple. Strictly speaking, it is not the mainstream mode of switching power supply control. The mainstream mode of switching power su

Great Wall Motor Lubricants New Zealand Sales Increase Over 50%

According to Sinopec Lubricants, as of the end of the third quarter of 2011, Great Wall Motor Oil's sales in the New Zealand market increased by more than 50% year-on-year, and the number of customers in the auto repair plant accounted for 42% of New Zeala