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Cause analysis of cracks in the outlet pipeline of the ammonium carbamate pump http://bbs.hcbbs.com/thread-118117-1-1.html Last edited by qiwu9981 on 2008-5-17 21:31]
To what extent can a deep hydrolysis unit reduce ammonia and urea? http://bbs.hcbbs.com/thread-120667-1-1.html What is the function of the booster in the urea evaporation system? http://bbs.hcbbs.com/thread-113257-1-1.html How should a urea high-pressure washer be designed to prevent explosions? http://bbs.hcbbs.com/thread-101308-1-1.html Last edited by qiwu9981 on 2008-5-17 21:25]
Also, the particle size of the sulfur produced as a by-product of gum desulfurization is very small. What’s going on? http://bbs.hcbbs.com/thread-113600-1-1.html Questions regarding the sedimentation and separation of desulfurization foam. http://bbs.hcbbs.com/thread-116658-1-2.html Questions: “Off-flow” in packed towers and “collapse” in regeneration tanks. http://bbs.hcbbs.com/thread-119044-1-2.html The concentration of vanadium pentoxide in the desulfurization solution. http://bbs.hcbbs.com/viewthread...ge=1&extra=page%3D3 Questions about the principles of desulfurization. http://bbs.hcbbs.com/viewthread.php?tid=123278&page=1#pid503119 Last edited by 7276166 on 2007-12-17 20:31
No rating *Mandatory industry standards for AO acid-an modified products have been issued http://bbs.hcbbs.com/viewthread.php?tid=59679&page=1#pid515098pid515098 http://bbs.hcbbs.com/viewthread.php?tid=113742&page=1#pid513008pid513008
Dear moderator sir: I have quite a number of topics and replies, and I’m not sure whether it’s worth earning extra points. Please check the “My Topics” and “My Replies” sections in my personal space”
I really admire the original poster – just posting this, I don’t know what significance it holds for this forum, yet it still earned 29 in Wealth and 8 in Charm... Could the original poster explain whether this is a case of officials protecting each other or something else?
To be honest, I agree with the person above!