English — Forum #723 (Page 406/642)

1. Could you recommend a book that provides a comprehensive overview of turbine structure and production? - HCBBS Forum
2. Can heating the hydrogen added to the feed oil to participate in the reaction during hydrogenation operations reduce energy consumption? - HCBBS Forum
3. Air distribution issues in coal-fired boilers - HCBBS Forum
4. How to test the water pressure of a valve with fittings? - HCBBS Forum
5. How much acidic water from the sulfur recovery unit needs to be sent to the acidic water stripping unit? - HCBBS Forum
6. 【Daily Topic】【HVAC Version 20151222】 - HCBBS Forum
7. I would like to ask about the factors to consider when choosing a chiller for intermittent processes - HCBBS Forum
8. Oxygen consumption in fixed-bed atmospheric gas production - HCBBS Forum
9. Calculation of off-gas from thermal deaeration tanks - HCBBS Forum
10. Valve installation - HCBBS Forum
11. Kangjisen interlocking - HCBBS Forum
12. Daily maintenance of the anti-rotation level controller - HCBBS Forum
13. 【Daily Question】12.25 Multiple-choice question: Among the following options, the equipment that does not participate in the water flushing operation for combined water transport is ( - HCBBS Forum
14. Issues regarding the calibration of safety valves in centrifugal compressors - HCBBS Forum
15. How to discharge materials from MTBE plants in winter - HCBBS Forum
16. How should the ball tank unloading pipeline be handled? - HCBBS Forum
17. View the relationship between environmental impact assessment and safety assessment dialectically - HCBBS Forum
18. When shutting down a condensing steam turbine, should the steam seal steam be stopped first or the extractor first? - HCBBS Forum
19. Welding methods for heat exchanger tube sheets - HCBBS Forum
20. 【Basic Knowledge 28】What is dew point corrosion? (Questionnaire with Prizes) - HCBBS Forum
21. How can high-pressure oxygen at 8.3 MPa be reduced to 4.2 MPa? - HCBBS Forum
22. Lip seal sample - HCBBS Forum
23. Is there a pump that can operate at a lower speed (below 2900 revolutions per minute) while still achieving an outlet pressure of over 40 bar? - HCBBS Forum
24. Solving the ultrasonic level gauge problem - HCBBS Forum
25. If the gas at the compressor inlet contains gasoline, what should be done in such a situation? - HCBBS Forum
26. 【Joint Study*】【HVAC Version 20151222】 - HCBBS Forum
27. LPG sampling port - HCBBS Forum
28. Sources of pump noise and discussions thereon - HCBBS Forum
29. 【Daily Topic】【Engineering Version 20151221】 - HCBBS Forum
30. Forge-welded containers - HCBBS Forum
31. We are looking for a one-step process for producing insoluble sulfur for rubber; if there is any mature technology available, we are willing to purchase it - HCBBS Forum
32. The customer requests the water pressure after welding the pipe to the valve - HCBBS Forum
33. Over 20 years of experience in instrument maintenance safety – sharing it with everyone! - HCBBS Forum
34. I hope everyone will go to the Petrochemical section more often to answer the Daily Image and Daily Question challenges - HCBBS Forum
35. Regarding the contradiction and reasons between high-standard inspections and low-standard operations, what are the low standards on site? Reasons and avoidance factors - HCBBS Forum
36. 【Basic Knowledge 24】Classification of Boilers (Prize Quiz) - HCBBS Forum
37. Job application for Senior Instrument Engineer - HCBBS Forum
38. 【Daily Question】12.19 Term Explanation: Linear velocity in an empty tower - HCBBS Forum
39. Help! ! When the design pressure of a pressure vessel reaches 10 Mpa, what type of internal pressure cylinder should be used and which kind... - HCBBS Forum
40. Explosion of high-temperature pipes - HCBBS Forum
41. 【Daily Topic】【Engineering Version 20151217】 - HCBBS Forum
42. 2015 **List of Model Technologies in Water Pollution Control (including technical specifications, application scope, case studies, etc.)** - HCBBS Forum
43. 【Weekly Topic】【HVAC Version 20151228】 - HCBBS Forum
44. Are infrared combustible gas detectors better than catalytic combustion types? - HCBBS Forum
45. Material of the mixed acid evaporation tower - HCBBS Forum
46. Air separation consumption - HCBBS Forum
47. What standard flanges are used for connecting fluid pipelines? - HCBBS Forum
48. Should the area of a falling film heat exchanger be calculated based on the inner wall or the outer wall? - HCBBS Forum
49. The foreign company’s air separation PID over the past three years? - HCBBS Forum
50. 【Basic Knowledge 27】Explain the duality of carbon in stainless steel (prize quiz) - HCBBS Forum
51. 【Daily Question】【Quality Version 20151224】 - HCBBS Forum
52. Seek Sinopec Ningbo Engineering Company’s regulations on equipment technology and professional standards, as well as technical requirements - HCBBS Forum
53. Problem of hot water inlet and outlet pressure difference in the device boundary zone - HCBBS Forum
54. Director of coal-based ethylene glycol synthesis, 8 years of work experience, seeking a job - HCBBS Forum
55. Can two-component molten salts be hammered? - HCBBS Forum
56. High heat score and low heat score - HCBBS Forum
57. Heat exchanger design - HCBBS Forum
58. Dear candidates taking the Certified Firefighter exam, please come have some tea - HCBBS Forum
59. Q&A on the Essentials of Concentrated Wastewater Treatment Technology (1) - HCBBS Forum
60. Compilation post on environmental protection and energy conservation (books, articles, drawings, software, etc.) - HCBBS Forum
61. Is it necessary to provide leak prevention for the ground of solid waste landfills? - HCBBS Forum
62. Osmotic reverse osmosis technology: a powerful tool for achieving zero discharge of coal chemical industry wastewater - HCBBS Forum
63. Two multiple-choice questions on rescue? - HCBBS Forum
64. 【Daily Question】 December 28th True or False Question - HCBBS Forum
65. Oxidative stability of lubricating oil - HCBBS Forum
66. Large oil and gas engineering companies are sincerely recruiting - HCBBS Forum
67. As 2015 comes to an end, Dongming Petrochemical has secured its first export quota for refined oil products - HCBBS Forum
68. The senior professional title requirement has been met - HCBBS Forum
69. I’m looking for an agent for imported brand meters, but no one seems to be able to recommend any - HCBBS Forum
70. Space furnace control system - HCBBS Forum
71. Why can the EJA110A differential pressure transmitter output only one type of differential pressure? - HCBBS Forum
72. 【Daily Topic】【Storage & Transportation Edition 20151225】 - HCBBS Forum
73. What are the temperatures at various points when the pump and motor are operating normally? - HCBBS Forum
74. 【Daily Topic】【Live Version 20151218】 - HCBBS Forum
75. The Office of the State Council Safety Commission calls for effective efforts to ensure safe production at the turn of the year - HCBBS Forum
76. DCS market trends - HCBBS Forum
77. Methods of liquid deoxidation - HCBBS Forum
78. Do the water wall, superheater, reheater, and economizer look the same? How can they be distinguished? - HCBBS Forum
79. The water distributor of the cooling tower is not rotating - HCBBS Forum
80. Polymer nanotechnology for online repair of water pump cavitation erosion - HCBBS Forum
81. Nitrogen sealing issue for equipment pipelines - HCBBS Forum
82. 【Daily Question】 December 25th True or False Question - HCBBS Forum
83. Problems with acid storage tanks at normal temperature and pressure*ao - HCBBS Forum
84. Starting from New Year’s Day next year, there will be no more holiday bonuses for late marriage and late childbearing - HCBBS Forum
85. Things at work - HCBBS Forum
86. Joint Learning*1218: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
87. The post shows that this has appeared, but the formatting is incorrect - HCBBS Forum
88. Colleagues in the boiler section, we hope you will give strong support to the competition for the best imitation Song typeface in the petroleum section - HCBBS Forum
89. 【Daily Question】Chemical Engineering Principles 273: Reducing Acid and Alkali Consumption in Boiler Water (December 24) - HCBBS Forum
90. Treatment of wastewater generated in the production of chemical and textile auxiliaries - HCBBS Forum
91. Expander speed - HCBBS Forum
92. Seeking help with back-extraction issues - HCBBS Forum
93. Help needed: Oil supply to the AO tank in the refinery’s wastewater treatment plant is interrupted - HCBBS Forum
94. ★Specialized Examination for Chemical Engineering ★ — One question per day (2015-12-21) — Points are awarded for participation - HCBBS Forum
95. Chemical engineering processes - HCBBS Forum
96. 【Daily Question】12.18 Fill-in-the-blank question on stainless steel 304N (3 wealth points for a reply + additional 3–8 wealth points for a correct answer) - HCBBS Forum
97. Spending money on Christmas – lend me your discerning eye! +20 Wealth - HCBBS Forum
98. How do I derive this voltage equalization process? Urgently need help! - HCBBS Forum
99. Can energy be saved just by using an inverter? - HCBBS Forum
100. Can flammable media be discharged directly into the environment? - HCBBS Forum