In recent years China has seen speedy development of its ethylene industry. Compared to other advanced countries the per capita ethylene consumption in China is
<正>The 30 kt/a MEK unit at PetroChina Lanzhou Refining General Works has been put on stream, delivering qualified product. This MEK unit is composed of the mai
A system for prognosis of tank failures was set up based on the results of analysis on fault phenomena. An algorithm incorporating fuzzy mathematics with the BP