English — Forum #723 (Page 332/642)

1. Newbie seeking help: How to add a PFD title in Aspen HYSYS V8 - HCBBS Forum
2. Regarding the implementation of container equipment codes - HCBBS Forum
3. Environmental Protection Daily Tip 3.05: Reward of 5 points for participation, plus another 5 points for answering 5 questions correctly - HCBBS Forum
4. [Forward] The term for @ - HCBBS Forum
5. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 455 - HCBBS Forum
6. Propylene cooler level - HCBBS Forum
7. Great ways to learn spoken English! Master the secrets quickly! - HCBBS Forum
8. 【Daily Question】Chemical Engineering Principles 336: Hydrazine (March 8) - HCBBS Forum
9. Etherification unit - HCBBS Forum
10. It’s a holiday – Arbor Day~ - HCBBS Forum
11. 【Basic Knowledge of Occupational Health】: Permissible Exposure Limit for Short-Term Exposure - HCBBS Forum
12. Design of reactor gas distributor - HCBBS Forum
13. How to improve the deoxygenation efficiency of deaerators - HCBBS Forum
14. The impact of oil in syngas on waste boilers - HCBBS Forum
15. What are the valve forums abroad? - HCBBS Forum
16. I’m seeking help from all the teachers to solve a few problems. - HCBBS Forum
17. Why do the measurement values read too high after automatic calibration of the hash ammonia nitrogen analyzer? - HCBBS Forum
18. Membrane-based biogas purification and utilization technology - HCBBS Forum
19. Valve - HCBBS Forum
20. 【Joint Study*】【Electrical Version 20160306】 - HCBBS Forum
21. How to calculate the power supply for PLC200 - HCBBS Forum
22. Question bank for training in sulfuric acid production and sulfuric acid workshops - HCBBS Forum
23. Environmental Protection Daily Tip – March 16: Reward for participation, plus 5 more points for answering 5 questions correctly - HCBBS Forum
24. Air excess factor under low-load operation of coke ovens - HCBBS Forum
25. How is the diameter of the circular tube determined in a U-tube heat exchanger? - HCBBS Forum
26. New system pipelines have been installed, and it is necessary to determine the amount of insulation required. How can we conveniently calculate the length of the pipelines? - HCBBS Forum
27. Base oil is produced by vacuum distillation of used engine oil, with an unclear oil-water boundary - HCBBS Forum
28. How is the return line at the outlet of the liquid sulfur pump configured for everyone? - HCBBS Forum
29. Regarding the latest GB50303 - HCBBS Forum
30. Fan inlet and outlet - HCBBS Forum
31. Selection of valve size - HCBBS Forum
32. Reaction conditions of phosgene with sodium hydroxide and hydrogen - HCBBS Forum
33. 【Ammonia Synthesis Process】Summary of the Equipment Identification Series via Images - HCBBS Forum
34. Lining plate for raw coal bin - HCBBS Forum
35. Which valve manufacturers can be used for large-scale water pump production? - HCBBS Forum
36. How to connect an M14*1.5 pipe cap to a 14*2 seamless steel pipe? - HCBBS Forum
37. Method for determining the maximum allowable operating pressure of the tube sheet - HCBBS Forum
38. 【Basic Knowledge Activity】Professional “Basic Knowledge” in the petrochemical industry: What is the bubble point of oils and fuels? - HCBBS Forum
39. Source of information - HCBBS Forum
40. Mechanical seal -- Selection of springs and bellows - HCBBS Forum
41. Direction of the thermocouple and the flowing medium - HCBBS Forum
42. Tower equipment, tower internals: What is the difference between anti-splash trays and baffle weirs? - HCBBS Forum
43. Issue of dispersant dosage in gasification process - HCBBS Forum
44. 【Daily Topic】【Production Version 20160307】 - HCBBS Forum
45. 【Joint Study*】【Electrical Version 20160315】 - HCBBS Forum
46. Weihua sealed dry gas supply device granted a patent - HCBBS Forum
47. Problems with Siemens single-acting positioners - HCBBS Forum
48. Internal leakage problem in control valves - HCBBS Forum
49. On-site Instrument Installation Inspection Record Form - HCBBS Forum
50. Zou is rich! - HCBBS Forum
51. How many processes are there for anaerobic fermentation used to produce biogas? - HCBBS Forum
52. Global biogas utilization - HCBBS Forum
53. Wall deformation problem of atmospheric pressure vertical tanks after water filling - HCBBS Forum
54. Zhejiang’s 690,000-ton methanol-to-olefins plant may face indefinite shutdown - HCBBS Forum
55. Special plan for the new workshop - HCBBS Forum
56. Upgrade Direct Traffic – Freelancer Bounties, welcome! Process version resource post management separator – Please upgrade after management [ - HCBBS Forum
57. Weld height for welding thick plates and thin plates - HCBBS Forum
58. 【Daily Question】March 5, 2016: +2 Wealth for participation； +3 to 8 wealth for correct answers - HCBBS Forum
59. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 265 - HCBBS Forum
60. Fluid viscosity measurement problem - HCBBS Forum
61. AOP advanced oxidation system for treating wastewater with high COD levels, removal rate of 90%–100% - HCBBS Forum
62. Occupational Health Daily Question 3.12: Participate for a prize; 5 correct answers and another prize will be given - HCBBS Forum
63. Degree of depletion of methyl diethanolamine (absorbent) - HCBBS Forum
64. Working principle and electrical control of the light oil station - HCBBS Forum
65. Positive-pressure resistant telescopic pipeline - HCBBS Forum
66. The ultimate fate of the coagulant PAC - HCBBS Forum
67. How to handle fire protection pipelines in winter - HCBBS Forum
68. Questions about gaskets - HCBBS Forum
69. What are the requirements for hazardous vehicles to be on the road? - HCBBS Forum
70. Pump net positive suction head - HCBBS Forum
71. Comparison of codes in the \"Design Code for Liquefied Petroleum Gas Supply Stations\" GB51142-2015 - HCBBS Forum
72. Precautions for using pressure transmitters in operation - HCBBS Forum
73. Application of presulfided sulfur-resistant shift catalysts in coal chemical industry production - HCBBS Forum
74. I am currently working on a paper about the application of sulfur granulation technology in China; I would appreciate some feedback from everyone - HCBBS Forum
75. 【Chemical Process Operations】Propylene Column Reboiler - HCBBS Forum
76. What do you think of turning ecological \"red lines\" into \"high-voltage lines\"?” - HCBBS Forum
77. How is the processing capacity of hydrogen production catalysts calculated - HCBBS Forum
78. What a beautiful arc - HCBBS Forum
79. Regarding non-technical replies in technical posts: delete or keep? - HCBBS Forum
80. Occupational Health Daily Question 3.10: Participate for a prize; 5 answers correct and you’ll get another 5 as a reward - HCBBS Forum
81. Determine the stress conditions of the 8 bolts at the tower base under wind load - HCBBS Forum
82. Problem with the DP connector on the PLC! - HCBBS Forum
83. The light components in the light hydrocarbons that make up the product at the top of the tower are numerous; why is this? It is related to the pressure at the top of the tower, the temperature there, as well as the temperature of the air cooler... - HCBBS Forum
84. 【Episode 1 of the 2016 Family Debate Series】Not wanting to go to school – is it due to physical or psychological reasons? - HCBBS Forum
85. Are there any teachers who use underwater bottom valves in their tanks, and what are the results? - HCBBS Forum
86. How many papers are required to obtain a senior professional title in Dalian? - HCBBS Forum
87. What are the impacts of a small temperature difference in the CO2 stripping process on the entire system? - HCBBS Forum
88. Working Principle and Operating Procedures of Gasoline Hydrocracking Fractionator - HCBBS Forum
89. Purification Daily Question Series 3 - HCBBS Forum
90. Effect of copper in wastewater on hydrolysis and aerobic processes - HCBBS Forum
91. Sign-in record post from March 6, 2016 - HCBBS Forum
92. 【Daily Question No. 128】March 7, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
93. Regarding ultrafiltration membrane leak detection tools - HCBBS Forum
94. One question - HCBBS Forum
95. UOP Metso valve positioner curve - HCBBS Forum
96. Water wall metal temperature - HCBBS Forum
97. Haichuan’s “Gratitude Season” – “Master Zhang’s” encouragement inspired my growth 【Safety & Environment Section 010】 - HCBBS Forum
98. 【Joint Study*】【Civil Engineering Version 20160310】 - HCBBS Forum
99. Causes of plunger pump failures - HCBBS Forum
100. Will aqueous solutions of quaternary ammonium salts displace iron in stainless steel to form iron ions? - HCBBS Forum