English — Forum #723 (Page 554/642)

1. Complete set of \"Series on Examples in Environmental Engineering\" - HCBBS Forum
2. Air separation simulation equation - HCBBS Forum
3. HTRI calculation yields a warning for vertical thermosyphon heat exchangers - HCBBS Forum
4. SOE transfer issue - HCBBS Forum
5. Chemical Engineering in Daily Life - Question 3 - Standard answers available - HCBBS Forum
6. What is the heat load of the reboiler in the pre-distillation column of a Nissan 1,000-ton methanol distillation unit? - HCBBS Forum
7. 【Daily Question】Question from Issue 20150817 - HCBBS Forum
8. Structural requirements for professional title theses - HCBBS Forum
9. 【Daily Question】Question from Issue 20150817 - HCBBS Forum
10. How is the condensate generated by steam tracing in underground tanks returned to the main condensate pipeline? - HCBBS Forum
11. In which journals should engineers publish their papers? - HCBBS Forum
12. Video on the working principle of solenoid valves - HCBBS Forum
13. What are the elements of a professional title thesis? - HCBBS Forum
14. HYSYS software - HCBBS Forum
15. Is it necessary to pay attention to time when producing acetylene? What’s the reason for that? - HCBBS Forum
16. Can a globe control valve be used to control fluid flow in both directions? - HCBBS Forum
17. Which company has officially put the direct feed system for raw materials in the coking gasoline and diesel hydrogenation unit into operation? - HCBBS Forum
18. Questions regarding the reaction kettle. - HCBBS Forum
19. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 140 - HCBBS Forum
20. How are the drain ports at the bottom of underground oil-containing wastewater tanks and amine solution preparation and recovery tanks typically handled? - HCBBS Forum
21. A translation issue regarding a valve - HCBBS Forum
22. Actual situation of remotely controlling electric pumps from the control room - HCBBS Forum
23. What material should be chosen for the heat exchanger used to cool 30% pure sulfuric acid, reducing the temperature from 40 degrees to 10 degrees? - HCBBS Forum
24. How to choose a manufacturer of screen printing plate laminators - HCBBS Forum
25. Do R744 refrigerant pipes fall under the category of pressure pipes? - HCBBS Forum
26. Safe distances between chemical plant production units, chemical storage tanks, and production office buildings - HCBBS Forum
27. I have a problem with the wet flue gas desulfurization system and would like to seek advice from experts - HCBBS Forum
28. Why is a normally closed signal used for the module instead of a normally open one? - HCBBS Forum
29. Question about the expansion coefficient of 20# carbon steel? - HCBBS Forum
30. I lost my registered chemical engineer certificate. How can I get it reissued? - HCBBS Forum
31. Treatment of dust-containing tar - HCBBS Forum
32. Chemical Engineering in Daily Life – Question 27: Are those PM2.5 masks available on the market really effective? Standard answer already exists - HCBBS Forum
33. 【Daily Question】8.14 Reply +2； To 3 - HCBBS Forum
34. Have there been any improvements to safety measures during the production process, and what are the requirements and ideas regarding safety assurance? - HCBBS Forum
35. Is slag removal required every time the space furnace is started up? - HCBBS Forum
36. Explosion of the coal slurry burner pipeline in the gasifier - HCBBS Forum
37. A newcomer has a question and hopes that the experts can help - HCBBS Forum
38. 【Daily Question】August 10, 2015 - HCBBS Forum
39. Several questions about ABR - HCBBS Forum
40. Two gas sources at different pressures for the heat network heater - HCBBS Forum
41. I heard that the requirements are high if you want to use HTRI - HCBBS Forum
42. Determination of the overflow opening for the slag skimmer - HCBBS Forum
43. Over-temperature issue in screw compressors - HCBBS Forum
44. Some routine maintenance for valves and pipelines - HCBBS Forum
45. How should scaffolders wear safety belts? - HCBBS Forum
46. Do you want this software or the learning* materials for it? I don’t have the software~ - HCBBS Forum
47. aspen case study - HCBBS Forum
48. Let me ask a question: what is a single-tooth difference cycloidal wheel? - HCBBS Forum
49. A question about the treated alkaline slag waste liquid. - HCBBS Forum
50. PROII usage - HCBBS Forum
51. How to determine flue gas temperature - HCBBS Forum
52. Should one prioritize taking care of the family or stepping out into the world? Contradictions, solution - HCBBS Forum
53. Safety technical archives for special equipment - HCBBS Forum
54. What are the differences between axial and axially-radial configurations of the shift reactor in sulfur-resistant shift processes? - HCBBS Forum
55. The distribution of fresh gas at the inlets of two towers in series-parallel coupled towers - HCBBS Forum
56. The problem of ion or organic compound enrichment in three-effect evaporation - HCBBS Forum
57. Please help, Haoyou – download some materials; I really want to learn*~! - HCBBS Forum
58. Please ask an expert for help~ - HCBBS Forum
59. 4-Nitro-2**phenol sodium hydrosulfide process - HCBBS Forum
60. What needs to be prepared for the maintenance of a centrifugal compressor? - HCBBS Forum
61. Friends of my friends always come to my dorm to hang out. What should I do? - HCBBS Forum
62. Workplace Debate Episode 61: Your boss holds long meetings with you – do you like it? - HCBBS Forum
63. Experts, may I ask: who designed the American project? Is it allowed to use gossip storage tanks in the United States? - HCBBS Forum
64. [Help Post] Regarding the calculation of pump head - HCBBS Forum
65. Question 25 from the 2010 case study, 2 p.m - HCBBS Forum
66. Has anyone used Mantuo heat transfer oil? - HCBBS Forum
67. Determination of suspension density - HCBBS Forum
68. 【Daily Question】August 18, 2015 - HCBBS Forum
69. What answers should not be given during an interview - HCBBS Forum
70. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 147 - HCBBS Forum
71. How to treat the leachate from phosphogypsum? - HCBBS Forum
72. Recycling of pump cooling water - HCBBS Forum
73. On the difference in the 50% distillation points of catalyzed crude gasoline and stabilized gasoline - HCBBS Forum
74. 【Daily Question】August 11: What is the main function of trisodium phosphate? - HCBBS Forum
75. How to perform strength calculations for horizontal containers with jackets - HCBBS Forum
76. Chemical Engineering in Daily Life – Question 25: Do you know about the five flavors in food? Standard answer already exists - HCBBS Forum
77. The problem of cyclic methanol dehydration - HCBBS Forum
78. Which one has a better cooling effect? - HCBBS Forum
79. 【Daily Question】Question from Issue 20150810 - HCBBS Forum
80. What is coagulation treatment? What are the coagulation mechanisms? - HCBBS Forum
81. Praying for Tianjin... How are all my colleagues? - HCBBS Forum
82. What types of accidents usually occur in diesel hydrogenation units that require the shutdown of the new hydrogen compressor? - HCBBS Forum
83. Basic Operational Techniques in Catalytic Reforming Units - HCBBS Forum
84. Regarding mill load and slurry concentration parameters - HCBBS Forum
85. Haichuan’s personal browsing history - HCBBS Forum
86. May I ask: What does the labyrinth treatment process for cutting water and cooled coking water in delayed coking mean? - HCBBS Forum
87. Design Report - HCBBS Forum
88. Those who wish to return to Chongqing to work, please come this way - HCBBS Forum
89. Where are the loosening points located when blowing? - HCBBS Forum
90. What are the reasons why the outlet pipe of the gas separator in the medium-string low-transformation process is prone to corrosion? - HCBBS Forum
91. Program regarding modules in a segment of SIS - HCBBS Forum
92. Weekly topic: 5 Wealth points for correct answers, 2 Wealth points for participation； Question 143 - HCBBS Forum
93. Could you explain in detail how the air cooler curve is obtained? - HCBBS Forum
94. Phosgene downstream products - HCBBS Forum
95. How to adjust the detection probe for detecting the descent of the piston rod in a reciprocating compressor? - HCBBS Forum
96. Which manufacturers in China are the best at producing magnetic pump? - HCBBS Forum
97. What to do about the severe algae growth in the circulating water system of a fertilizer plant? - HCBBS Forum
98. Made another silly mistake - HCBBS Forum
99. Principle for hiring in the workplace: Loyalty outweighs competence! - HCBBS Forum
100. Selection of instrument signal: FF bus or 4-20mA - HCBBS Forum