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【Daily Question】2016 05 17 Hydrogenation Section Multiple Choice: If the top reflux flow in a distillation column increases and the top temperature decreases, what happens to the internal reflux? A. Increase accordingly B. No change C. Decrease accordingly D. Cannot be determined. Promotion of petrochemical activities: Notice on the launch of the large-scale event “I’m saving energy, where are you?” in the petrochemical area. http://bbs.hcbbs.com/thread-1579199-1-1.html. This event offers awards in both text and picture categories. When there are over 200 entries, an additional grand prize will be awarded; the value of this prize is 600 Haichuan coins. If there are more than 300 entries, the grand prize value increases to 1,000 Haichuan coins, and if there are 500 entries, it rises to 1,500 Haichuan coins. First prize: 3 Haichuan commemorative water cups. Second prize: 5 winners, each receiving 120 Haichuan coins. Honorable mentions: several winners, each receiving 200 Haichuan coins. 1. Posts for award-winning submissions in different categories: http://bbs.hcbbs.com/thread-1568416-1-1.html (Source: Haichuan Chemical Industry Forum). 2. [Petrochemical Weekly] Issue No. 9, dated 2016-3-12 (Summary of recent petrochemical activities): http://bbs.hcbbs.com/thread-1568615-1-1.html (Source: Haichuan Chemical Industry Forum). 3. Summary of events in the [Petroleum and Petrochemical Section] during the “Haichuan Gratitude Season”: http://bbs.hcbbs.com/thread-1533218-1-1.html (Source: Haichuan Chemical Industry Forum). 4. Summary of professional “basic knowledge” posts in the [Petroleum and Petrochemical Section] (Supported by the main forum; amazing prizes await you): http://bbs.hcbbs.com/thread-1557057-1-1.html (Source: Haichuan Chemical Industry Forum)