English — Forum #723 (Page 575/642)

1. What does “polished water” mean? - HCBBS Forum
2. Shanghai evaluates intermediate professional titles in the chemical industry - HCBBS Forum
3. Alkali injection into the quench tower of the MTO water system - HCBBS Forum
4. Do the heat exchanger calculation formulas require heat transfer calculations first? - HCBBS Forum
5. With HF and HCl present in the environment, what material should be used for the enclosures of field instruments? - HCBBS Forum
6. Technical discussion: Issues with concrete pipe racks - HCBBS Forum
7. Dangers of overheating in pressure vessels - HCBBS Forum
8. Weekly Topic (1) Discussion on Methane Synthesis Process Routes - HCBBS Forum
9. Troubleshooting methods for abnormal readings on Rosemount multi-point thermometers - HCBBS Forum
10. Essential table manners for international students - HCBBS Forum
11. Accident Handling 8: How to prevent explosions in the furnace of a circulating fluidized bed boiler? - HCBBS Forum
12. Basketball discussion thread - HCBBS Forum
13. Issues with Siemens S7-300 programs - HCBBS Forum
14. Share a sentence - HCBBS Forum
15. 【Daily Question】Chemical Engineering Principles 126: Tower Leaks (July 31) - HCBBS Forum
16. Issues regarding bidding in engineering projects - HCBBS Forum
17. Condensate tank configuration - HCBBS Forum
18. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 270 - HCBBS Forum
19. Regarding the rain cover - HCBBS Forum
20. For equipment that requires heat treatment, should the tube expansion be carried out after heat treatment? - HCBBS Forum
21. How to use sulfur dioxide to remove free chlorine from dechlorinated brackish water - HCBBS Forum
22. 20m³ internal floating roof tank - HCBBS Forum
23. Ensuring safety: the direct involvement of employees is key – Press release - HCBBS Forum
24. The motor temperature becomes too high during the individual testing of the centrifugal pump - HCBBS Forum
25. Anti-hydrogen steel U-tube bundle - HCBBS Forum
26. Lockhopper circulation pump flow rate - HCBBS Forum
27. Difference between track ball valves and pipeline ball valves - HCBBS Forum
28. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 273 - HCBBS Forum
29. Reconstruction of sulfur recovery exhaust gas - HCBBS Forum
30. Incident Handling 5: For circulating fluidized bed boilers, when is it necessary to apply for a shutdown? - HCBBS Forum
31. The internal review for the approval of the environmental impact assessment changes for Shenhua Ningmei’s coal-to-oil project has been completed - HCBBS Forum
32. How to model socket weld pipe fittings in Caesar - HCBBS Forum
33. Questions about the Honeywell 900 system - HCBBS Forum
34. 【Daily Question】August 3: What should be the setting of the manual valve in front of the pressure gauge during normal operation? - HCBBS Forum
35. Selection of exhaust fans and calculation of duct resistance - HCBBS Forum
36. What are the factors that affect the reactor pressure difference? - HCBBS Forum
37. Contact information for Yan Wenfu - HCBBS Forum
38. Production cost of the double-alkali method - HCBBS Forum
39. Has anyone used Xinhua’s XDC800 system? Something strange has happened! ! ! Please help everyone take a look - HCBBS Forum
40. Professional English for Titles - HCBBS Forum
41. Why must the outlet valve be closed first when shutting down a centrifugal pump? It doesn’t matter; what harm is there? - HCBBS Forum
42. Interview skills that college students should pay attention to - HCBBS Forum
43. How much has the performance of packed towers improved over the past 10 years? - HCBBS Forum
44. Plated heat exchanger blockage - HCBBS Forum
45. Measures to take in case of a combustible gas fire - HCBBS Forum
46. Regarding water in the seal air outlet of the expander - HCBBS Forum
47. Difference between Drain Pan and Drain Rim - HCBBS Forum
48. The price of deep hole drilling machines increases in two main ways, thereby enhancing the efficiency of CNC machines - HCBBS Forum
49. Which level gauge should be used? - HCBBS Forum
50. Which companies are engaged in seawater desalination in Jiangsu, Zhejiang, and Shanghai? - HCBBS Forum
51. 【Daily Question】Question from Issue 20150803 - HCBBS Forum
52. What are the requirements for the cross-sectional area of lightning protection grounding wires? - HCBBS Forum
53. Which defoamer has better performance? - HCBBS Forum
54. 【Weekly Topic】 A brief discussion on the management of petrochemical plants! - HCBBS Forum
55. 【Daily Question】Chemical Engineering Principles 129: Partial Pressure (August 3) - HCBBS Forum
56. Daily Question 2015.8.5 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question) - HCBBS Forum
57. 【Daily Question】Question from Issue 20150805 - HCBBS Forum
58. MTBE unit catalyst maintenance - HCBBS Forum
59. Calculation for strengthening the opening of manholes - HCBBS Forum
60. Which chemical engineering design institutes in Jinan are hiring coal chemical process engineers? - HCBBS Forum
61. How does ASPEN determine the dipole moment (MUP)? - HCBBS Forum
62. Seek the electronic version of the Zhejiang Province Installation Engineering Budget Quotas (2010 edition) - HCBBS Forum
63. How are coil-type heat exchangers designed, calculated, and simulated in ASPEN? - HCBBS Forum
64. I went for an interview as a gauge technician today and was asked questions that left me confused. - HCBBS Forum
65. The impact of the tower top nozzle on tower calculations - HCBBS Forum
66. List of Hazardous Chemical Processes Subject to Stringent Supervision - HCBBS Forum
67. Is propane a good raw material for cracking, or is it better to use it for dehydrogenation to produce propylene? - HCBBS Forum
68. What happens if no dispersant is added during the pre-film formation process of circulating water? - HCBBS Forum
69. What are the applications of Roots+vane vacuum systems in the chemical industry? - HCBBS Forum
70. Is purging required for both cold start and hot start of a circulating fluidized bed? Is the procedure the same? Why is purging necessary? - HCBBS Forum
71. My proII92 won’t work anymore; LMtools can’t load the three files - HCBBS Forum
72. Regarding the determination of COD - HCBBS Forum
73. 【Daily Question】Question from Issue 20150731 - HCBBS Forum
74. Deep-cold brine flow measurement - HCBBS Forum
75. Interesting chemical engineering exam questions - 2 - With standard answers already available - HCBBS Forum
76. 【Daily Question】Question from Issue 20150804 - HCBBS Forum
77. 【Coal Chemicals Area】July 2015 Post about the Distribution of Moderator Salaries - HCBBS Forum
78. How to install PKS 311 server and SCE on a single computer - HCBBS Forum
79. Molecular sieve recovery - HCBBS Forum
80. Explanation of terms related to startup and shutdown operations - HCBBS Forum
81. A layperson’s question: How reliable is the electrochemical oxidation method? - HCBBS Forum
82. How does a circulating fluidized bed boiler prevent the superheater from overheating in the event of a loss of plant power? - HCBBS Forum
83. Do you know the five major advantages of supercapacitors? - HCBBS Forum
84. What kind of accessories are usually included with a pump when purchasing it? - HCBBS Forum
85. Reasons for the whistling sound in liquid ring compressors - HCBBS Forum
86. The passing score for the Level 2 Constructor exam in Gansu Province in 2015 - HCBBS Forum
87. 【Weekly Topic】Quality assurance of chemical products! - HCBBS Forum
88. multi-effect evaporation - HCBBS Forum
89. How is the heat input used to calculate the liquid expansion of a safety valve? - HCBBS Forum
90. Questions about KROHNE flowmeters - HCBBS Forum
91. Sharing Happiness——Guess What My Husband Said (Guess right and you’ll get flowers as a reward) - HCBBS Forum
92. Differences in gasket usage - HCBBS Forum
93. The unloading of butadiene uses a process that combines compressors and pumps - HCBBS Forum
94. Mixing of 93 gasoline - HCBBS Forum
95. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 274 - HCBBS Forum
96. How to filter - HCBBS Forum
97. If there is a problem with the motor of the water pump, what is the emergency shutdown procedure? - HCBBS Forum
98. How to solve question 24 in the afternoon session of the 2011 case? - HCBBS Forum
99. The quench water pump operates at 40 kilograms and 65 kilograms - HCBBS Forum
100. Demand for m-cresol, p-cresol - HCBBS Forum