English — Forum #723 (Page 254/642)

1. Questions regarding fire dikes? ? ? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
2. One Question per Day on Synthetic Ammonia (Series 101) - HCBBS Forum
3. How should I conduct process experiments for industrial wastewater? I need guidance from experts, please!!! Urgent! ! ! - HCBBS Forum
4. Discussion on accident classification. - HCBBS Forum
5. Which unit in the chlor-alkali plant produces calcium chloride as a by-product? - HCBBS Forum
6. Poetry Lovers Club 1 (Guessing poems: poem title, author) - HCBBS Forum
7. Regarding power shutdown for maintenance - HCBBS Forum
8. Everyone, may I ask where I can find information on the properties of those fillers in HYSYS? - HCBBS Forum
9. Types of Siemens 400 PLC - HCBBS Forum
10. New air separation projects in the steel industry recently - HCBBS Forum
11. Initiator preparation tool: portable pneumatic drum pump - HCBBS Forum
12. Questions regarding development of pks430 and beyond - HCBBS Forum
13. Environmental Protection Tip of the Day – May 20: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
14. acidic water - HCBBS Forum
15. It’s a safety-version event; let’s see if it’s feasible - HCBBS Forum
16. Benzene and naphthalene removal oil (refined cleaning oil) - HCBBS Forum
17. What are some well-known chlor-alkali companies abroad? - HCBBS Forum
18. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； May 26th - HCBBS Forum
19. Can P507 be used to separate cobalt and magnesium from high-magnesium cobalt solutions? - HCBBS Forum
20. Post-weld dehydrogenation treatment of hydrogen-resistant materials - HCBBS Forum
21. Empty tower linear velocity - HCBBS Forum
22. Zhejiang University Zhongkong configuration software visual field - HCBBS Forum
23. Is it possible to store two 800L liquid ammonia cylinders (full) and several 40L nitrogen cylinders (full) in one warehouse, with pipes connecting them for individual use? - HCBBS Forum
24. Reformed air preheater - HCBBS Forum
25. 【Weekly Topic】【Production Version 201605024】 - HCBBS Forum
26. 【Daily Question】Chemical Engineering Principles 381: Generator Cooling Water (May 20) - HCBBS Forum
27. The development of beverage chain belt conveyors in market competition - HCBBS Forum
28. Is there a relationship between impeller design, maximum and minimum diameters, and flow rate? - HCBBS Forum
29. Do you have experienced technicians for hydrogen production from coking dry gas to answer questions? - HCBBS Forum
30. Soft biomethane digester - HCBBS Forum
31. Seeking help: Electron beam melting of titanium, zirconium and their alloys (Ukraine) Barton | Translators: Fan Shengwen // Wang Dianru // Zhang Haifeng - HCBBS Forum
32. Palladium alloy nanofilm technology - HCBBS Forum
33. 16- Exchange of experience in the selection and design, installation and operation, as well as maintenance management of demister systems in power plant desulfurization scrubbers - HCBBS Forum
34. Investment in coal-based olefins - HCBBS Forum
35. 【Daily Question】Chemical Engineering Principles 383: Major Pollutants in Flue Gas (May 22) - HCBBS Forum
36. Material phase behavior in hydrogenation reactors - HCBBS Forum
37. Saturated saltwater contains a small amount of organic matter, with a COD level of 1000–2000 mg/L; what impact does this have on electrolysis? - HCBBS Forum
38. Aspen help - HCBBS Forum
39. ? ? ? ? ? - HCBBS Forum
40. How to determine the optimal operating pressure for pressure pipelines - HCBBS Forum
41. Ion-exchange membrane double-effect countercurrent - HCBBS Forum
42. Storage tank selection - HCBBS Forum
43. Hydrogen production from fuel gas - HCBBS Forum
44. Regarding the demister - HCBBS Forum
45. Experiencing Petrochemical Plant Accidents 1, 2, 3, 4, 5, Part 6 - HCBBS Forum
46. Deodorization issue - HCBBS Forum
47. What are the modifications available for catalytic reforming units? - HCBBS Forum
48. How to determine the thickness of the insulation layer for a distillation tower - HCBBS Forum
49. Electronic version of the 2016 textbook for First-Class Constructor (Mechanical and Electrical) - HCBBS Forum
50. Occupational Health Daily Question 5.19: Participate for a prize; 3 answers correct and you’ll get another prize - HCBBS Forum
51. What type of valve is suitable for water vapor containing dust? - HCBBS Forum
52. There are short sections of gas pipes on the equipment; are they pressure pipes? - HCBBS Forum
53. Can a pressure relief valve be modified? - HCBBS Forum
54. The finished acid changes color to pink - HCBBS Forum
55. 【Daily Topic】【Electrical Edition 20160525】 - HCBBS Forum
56. Process flow diagram for the synthesis of polyvinyl alcohol via the acetylene method - HCBBS Forum
57. Regarding concessionary acceptance - HCBBS Forum
58. Consultation, seeking advice! - HCBBS Forum
59. Emergency response methods for accidents - HCBBS Forum
60. 【Daily Judgment NO.15】May 23, 2016 - HCBBS Forum
61. Can the pipes inside a boiler be considered pressure pipes? - HCBBS Forum
62. Calculation of dimensions for cooling in a spray tower - HCBBS Forum
63. 【Q&A Question 034】May 24, 2016 - HCBBS Forum
64. 【Daily Topic】【Civil Engineering Version 20160518】 - HCBBS Forum
65. Has anyone ever worked on the design of fuel stations for military use? - HCBBS Forum
66. Is the ground wire in the 220V power supply for the recorder inside the dashboard identical to the protective ground of the dashboard cabinet itself? - HCBBS Forum
67. On the cultivation of domestic wastewater sludge - HCBBS Forum
68. How to protect oneself from positions with excessive noise levels? - HCBBS Forum
69. Selection of thermal resistors and thermocouples - HCBBS Forum
70. The valve body of the riser pipe has cracked; what are some good solutions? - HCBBS Forum
71. Brief Introduction to the Process of Boiler Demineralized Water Equipment - HCBBS Forum
72. Experts, please advise on what material should be used for pneumatic valves in salt and acid pipelines - HCBBS Forum
73. The installation hole dimensions and overall dimensions of flanges HG20592-97 and HG20592-2009 are different - HCBBS Forum
74. Is that how your relationship with the property management is? - HCBBS Forum
75. The face washes that were used over the years - HCBBS Forum
76. 【Weekly Topic】【 HVAC Version 201605027】 - HCBBS Forum
77. MTO - HCBBS Forum
78. What are the reasons why the temperature measured by B-type fiber optic sensors is displayed as 0 in the DCS? - HCBBS Forum
79. Urgently need the main equipment diagram, material balance diagram, and process flow diagram with control points - HCBBS Forum
80. Reviewing the Old to Discover the New (Series 25) - HCBBS Forum
81. 【Daily Topic】【Engineering Version 20160528】 - HCBBS Forum
82. 【Picture of the Day, Picture No. 001】May 19, 2016: +2 wealth for participation, +3 wealth for correct answers - HCBBS Forum
83. Four protection measures to extend the lifespan of switch-mode power supply adapters - HCBBS Forum
84. Hydrogenation reactor of hydrogen production unit - HCBBS Forum
85. Life of the heat exchange tubes in the heat exchanger - HCBBS Forum
86. Liquid caustic pump mechanical seal issues - HCBBS Forum
87. Tank specifications - HCBBS Forum
88. Is the recycle hydrogen compressor running or stopped? - HCBBS Forum
89. What type of flow meter is generally used for the feedwater pipes in a boiler cooling water system? - HCBBS Forum
90. Operation issues in the carbon monoxide conversion unit - HCBBS Forum
91. Large and small head specifications - HCBBS Forum
92. Discussion on the method of catalytic spot-assisted combustion chamber. - HCBBS Forum
93. Precautions for starting up and shutting down a distillation system - HCBBS Forum
94. The corrosiveness of hydrogen peroxide - HCBBS Forum
95. How to register as a chemical engineer - HCBBS Forum
96. 【Daily Question】Advanced Processing 20160524 Multiple Choice: The polymerization of vinyl chloride can only take place through: ( ) - HCBBS Forum
97. The six blind spots in work safety - HCBBS Forum
98. Calculation of water sedimentation velocity - HCBBS Forum
99. Major reforms in the management of registered safety engineers – a truly groundbreaking move! - HCBBS Forum
100. Sign-in record post from May 27, 2016 - HCBBS Forum