Timely adjustment of compressor speed to meet production load changes
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In the production operations of various types of centrifugal compressors in the petrochemical industry, in order to meet the needs of production load changes in a timely manner, the speed of the compressor must be adjusted in a timely manner. Generally speaking, the speed adjustment metho…

More and more dimming lighting systems are used in the field of lighting
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With the development of intelligent products, smart phones and smart appliances have been widely applied to most families. However, most of human control of lighting still stays in the simple use of lamps. Due to various historical reasons for the development of lighting, intelligent lighting p…

Dongqi refreshes high-end ductile iron casting record
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China Eastern Electric Group Corporation's core enterprise Dongfang Steam Turbine Works Foundry Co., Ltd. (referred to as Dongqi Casting) successfully completed the first 1500 kW wind energy generator set hub, which refreshed the record of domestic large-scale high-end duc…

JJ-6229 Laboratory pH Meter Features
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Bench pH Tester Laboratory pH Meter Model: JJ-6229

I. Introduction JJ-6229 laboratory pH meter adopts embedded system design and integrates signal acquisition, data processing and display functions. It has a high degree of intelligence, accurate measurement, and convenient operation; i…

The first coal mining excavator loader assembly line in Anqing
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In the international arena, the United States presidential election is already clear. Obama defeated Romney and was re-elected as the president of the United States. At home, he saw that the 18th National Congress is about to be held. There are also good news …

How to maintain the summer garbage truck
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How to maintain the summer garbage truck

Summer garbage truck maintenance is very important, because summer is very heavy, I believe that citizens do not want to see a strange smell of garbage trucks runnin…