English — Forum #723 (Page 132/642)

1. The differences between 304, 304SS, 316, 316SS, 316L, and 316LSS - HCBBS Forum
2. The issue of low ferrite content in the welds of S32750 duplex steel - HCBBS Forum
3. Can oxygen and acetylene pipes be used as household natural gas pipes in daily life? - HCBBS Forum
4. Location of ammonia scrubber tower - HCBBS Forum
5. Environmental Protection Tip of the Day 9.24: Reward for participation, plus 5 more points for answering 3 questions correctly - HCBBS Forum
6. Transforming soda separator - HCBBS Forum
7. “\"World Standards\" Highlight China’s High-Speed Rail Strength - HCBBS Forum
8. Usage of 6803 membrane - HCBBS Forum
9. Must the supports on which the tower is installed on the steel structure be fastened with bolts? - HCBBS Forum
10. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； September 28th - HCBBS Forum
11. Looking for information on the process design for high temperature and high pressure conditions? - HCBBS Forum
12. Fire safety review issues for Class A factories with a height exceeding 24 meters - HCBBS Forum
13. The pH level of water quality - HCBBS Forum
14. I would like to ask the experts: What are the consequences of tube rupture due to water vapor during the DMF purification process? - HCBBS Forum
15. 【Daily Topic】【Engineering Version 20160924】 - HCBBS Forum
16. 【Daily Topic】【Electrical Edition 20161001】 - HCBBS Forum
17. World’s largest coal-based olefins project with 3.6 million tons of methanol production capacity officially goes into operation - HCBBS Forum
18. The calcium stearate emulsion project requires technology - HCBBS Forum
19. What are the acceptable standards for vinyl chloride during work in confined spaces? - HCBBS Forum
20. Catalyst coking problem - HCBBS Forum
21. There’s actually this version too? - HCBBS Forum
22. 【Accident Case Analysis】03 The “2·16” Poisoning Incident at Baiyin Lefu Chemical Co., Ltd. (Case Analysis) - HCBBS Forum
23. Electrolytic manganese technology - HCBBS Forum
24. Unusual noises from a reciprocating compressor? ? ? - HCBBS Forum
25. We welcome everyone to visit frequently and support the petrochemical deep processing section - HCBBS Forum
26. I have a question regarding galvanized pipes! - HCBBS Forum
27. Information: Why is bituminous sand used instead of concrete for tank foundations in China? Thank you - HCBBS Forum
28. Sign-in record post from October 1, 2016 - HCBBS Forum
29. 【Daily Topic】【HVAC Version 20160928】 - HCBBS Forum
30. Is a horizontal or vertical storage tank better for normal pressure and high temperature applications? 100m3, 560° - HCBBS Forum
31. Questions about the freezer - HCBBS Forum
32. Help: How to simulate single-phase flow in HYSYS Pipesegment? - HCBBS Forum
33. Rust removal of screws on boilers - HCBBS Forum
34. 【Daily Topic】【Civil Engineering Version 20160922】 - HCBBS Forum
35. 【Daily Topic】【Civil Engineering Version 20160930】 - HCBBS Forum
36. C4 isomerization - HCBBS Forum
37. 【Haichuan Jokes Shop】015 A Note in My Pocket - HCBBS Forum
38. When using Unism for dynamic simulation, is it necessary to first establish a steady-state model and then convert it into a dynamic model? - HCBBS Forum
39. Internal structure of the reforming reactor - HCBBS Forum
40. What is the reason for poor liquid discharge when starting up the high-pressure separator at the outlet of the methanol synthesis tower? - HCBBS Forum
41. 【Weekly Topic】【Storage & Transportation Version 20160921】 - HCBBS Forum
42. Sudden change in tank level - HCBBS Forum
43. Who else is addicted to watching TV dramas? Lift it up - HCBBS Forum
44. 【Daily Topic】【Production Version 20160928】 - HCBBS Forum
45. Feasibility of using online hydrogen sulfide analysis data from desulfurization unit product gas in the unit’s interlock system - HCBBS Forum
46. Are there any reference diagrams or standards for high-temperature molten salt tanks at atmospheric pressure? - HCBBS Forum
47. Integrated workshop and warehouse - HCBBS Forum
48. [Safety Article] 08 How to implement safety management? - HCBBS Forum
49. Useless post, request to delete - HCBBS Forum
50. Which type of electric valve can return to its closed position automatically after a power outage? - HCBBS Forum
51. Secure online quiz system: convened by the question bank administrator - HCBBS Forum
52. 【Accident Case Analysis】The Great Explosion at the Flexburg Chemical Plant in 09 - HCBBS Forum
53. Fun Stories 002 – Falling into One’s Own Trap - HCBBS Forum
54. How to change the feedback for the Metso locator NDP1510 - HCBBS Forum
55. Liquefied gas pipeline weld inspection - HCBBS Forum
56. Heat exchanger simulation - HCBBS Forum
57. Incinerator water seal - HCBBS Forum
58. Breakthrough achieved in the technology for producing coal-based military aviation fuel - HCBBS Forum
59. Questions regarding hazard identification and risk assessment. - HCBBS Forum
60. Why can’t I use the mobile version of HaiChuan? - HCBBS Forum
61. What process is used for wastewater treatment? - HCBBS Forum
62. Post #1622051
63. Bromoisopropane - HCBBS Forum
64. The COD level in coking wastewater is high - HCBBS Forum
65. Comparison of hardness between carbon steel, stainless steel, and alloy steel, as well as considerations for valve stem material selection - HCBBS Forum
66. Price of spraying Teflon for corrosion protection on storage tanks - HCBBS Forum
67. The Haichuan Leisure Area plans to establish a calligraphy and painting section; all members are welcome to offer their suggestions - HCBBS Forum
68. Who knows which design institute was responsible for designing the sodium methanethiol project of Ningxia Ziguang or Weitai Fengyuan? - HCBBS Forum
69. Ask for the source - HCBBS Forum
70. Xu Jiajun, the former vice president of Huawei, wrote a resignation letter to Ren Zhengfei that is truly stunning! - HCBBS Forum
71. Environmental Protection Tip of the Day 9.27: Reward for participation, plus 5 more points for answering 3 questions correctly - HCBBS Forum
72. Determination of the material outlet location for the condenser - HCBBS Forum
73. Criteria for determining the size of the equipment base - HCBBS Forum
74. Environmental Protection Daily Post – October 5: Reward for participation is 3 points, plus an additional 5 points for answering correctly - HCBBS Forum
75. When treating solid residues with 30% liquid caustic, the filtration speed is very slow; the solid particles are small and sticky. Should a filter aid be used or a large-pore filter cloth? - HCBBS Forum
76. 【Daily Topic】【Civil Engineering Version 20161006】 - HCBBS Forum
77. Problem with steam tracing, seeking help - HCBBS Forum
78. Can laboratory technicians take the exam for senior laboratory certification directly? - HCBBS Forum
79. [Reminder] What should you do first if you lose your phone? - HCBBS Forum
80. 【Daily Question】Chemical Engineering Principles 434: Conductivity (September 26) - HCBBS Forum
81. water seal tank - HCBBS Forum
82. Selection of Roots vacuum pumps - HCBBS Forum
83. I’m new here; please give me some guidance - HCBBS Forum
84. [Q&A Question 164] 2016.10.01 - HCBBS Forum
85. Issues related to amine fluid loss in LNG decarbonization systems - HCBBS Forum
86. Ask for some knowledge about moving equipment - HCBBS Forum
87. Briefly describe the significance of enlarging heat exchangers? - HCBBS Forum
88. Thanks to the kind consideration of the diligent moderator, I, *nht1, have been promoted to deputy head of the manufacturing division; I would like to express my gratitude! - HCBBS Forum
89. Searching for reuse technologies and manufacturers for wastewater treatment from mineral processing - HCBBS Forum
90. Magic of Chemical Engineering - HCBBS Forum
91. The foodie in chemistry class - HCBBS Forum
92. Today is National Day; are there any people working overtime? - HCBBS Forum
93. I have a question about angle valves for all the marine enthusiasts out there - HCBBS Forum
94. I have a question regarding combustible or toxic gas detectors - HCBBS Forum
95. Chute insulation issue - HCBBS Forum
96. I would appreciate some guidance on the calculations regarding the inability to pump liquid - HCBBS Forum
97. Difficulty in opening and closing the valve - HCBBS Forum
98. Recruitment for catalytic cracking, reforming, and hydrogenation personnel - HCBBS Forum
99. With gas boilers, the issue lies in the concentration of natural gas during combustion - HCBBS Forum
100. The text in CAD drawings has turned into boxes; how can I restore it? ? ? - HCBBS Forum