【Daily Question No. 30】March 28, 2017

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Air velocity refers to the amount of ( ) that passes through a unit of catalyst per hour. Correct answer: Total quantity of materials. http://bbs.hcbbs.com/static/image/hrline/4.gif Rules for the daily question reward: 5 wealth points as a participation prize ； 10 Wealth for correct answer ； http://bbs.hcbbs.com/static/image/hrline/4.gif The petrochemical deep processing edition – the event to share pictures of chemical equipment has started! A vast amount of wealth, along with HaiChuan coins, is waiting for you to claim! http://bbs.hcbbs.com/thread-1760733-1-1.html Summary post for the Petrochemical Deep Processing section’s 【Question of the Day】 – updated daily by the moderator. http://bbs.hcbbs.com/thread-1496481-1-1.html Summary post of weekly topics for the Petrochemical Deep Processing section~~~ Updated continuously! http://bbs.hcbbs.com/thread-1751483-1-1.html Petrochemical Sector—New Ideas for Energy Saving: The “Creative Thinking” Campaign http://bbs.hcbbs.com/thread-1666758-1-1.html Xiaomi phones available for you to claim. A thread on the Petrochemical Section for collecting various chemical technology materials http://bbs.hcbbs.com/thread-1654603-1-1.html Many prizes waiting for you to claim