English — Forum #723 (Page 166/642)

1. Seeking advice on the pressure difference in a hydrogenation reactor? - HCBBS Forum
2. Uses of distillatively pure sulfuric acid - HCBBS Forum
3. What causes peeling wall paint? - HCBBS Forum
4. On August 14, an explosion occurred in a methanol tank at Datang Dolun Coal Chemical Plant, resulting in one death, one person missing, and one injury - HCBBS Forum
5. Should HVAC duct installations use elbow fittings with a flat bottom or a flat top? - HCBBS Forum
6. Issue: Historical trends not displayed on Zhejiang Zhongkong DCS operation station - HCBBS Forum
7. I have a question about compressors - HCBBS Forum
8. Why can’t the temperature of the oil transfer line at the converter inlet be too high? - HCBBS Forum
9. From now on, do I have to be on guard against not only Lao Wang but also Lao Song? - HCBBS Forum
10. dibromohyaine - HCBBS Forum
11. Question 6 in the afternoon of the first day of 2014 - HCBBS Forum
12. Difference between intrinsically safe cables and flame-retardant cables - HCBBS Forum
13. A brief analysis of the metal debris detection and removal device for conveyors - HCBBS Forum
14. Comparison between fully submerged inner floating disk type and buoy type - HCBBS Forum
15. 【Daily Topic】【Electrical Edition 20160818】 - HCBBS Forum
16. What is the relationship between the cold filter point, pour point, and the components of the oil? - HCBBS Forum
17. Material selection for medium-pressure buried pipelines in LNG and CNG refueling stations? - HCBBS Forum
18. Make up for the lack of knowledge in pumps, valves, and pipelines - HCBBS Forum
19. Two different judgments: 17 professional patients on a difficult journey to seek justice - HCBBS Forum
20. Recent graduates had better avoid working for private enterprises. (Personal opinion. Discussion is welcome! ) - HCBBS Forum
21. Flow direction in the shell side of the bottom reboiler of the diesel gas stripping tower. - HCBBS Forum
22. Leak in the air pipe of the Ingersoll Rand air compressor’s 3-stage cooler - HCBBS Forum
23. Which company is the best in silica gel technology? - HCBBS Forum
24. Gas pressure test: N2 and air, differences in leak detection capability - HCBBS Forum
25. High-pressure steam pipeline - HCBBS Forum
26. Automatic zero calibration for EJA118 double-flange transmitter - HCBBS Forum
27. Explanation of the material used for control valves - HCBBS Forum
28. Replace all inlet and outlet mushroom valves of 2# oxygen compressor - HCBBS Forum
29. Strange phenomena in the domestic coating industry - HCBBS Forum
30. Daily Security Technology Quiz (Single-choice Question) (2016.8.22) - HCBBS Forum
31. An update from the air separation industry, dated 20160817: Yingde Gas achieved very stable development in the first half of 2016 - HCBBS Forum
32. water hammer - HCBBS Forum
33. On how hydrogen production plants can reduce energy consumption and increase yield - HCBBS Forum
34. The women’s volleyball team in safety supervision training should embrace the \"six spirits\" mindset - HCBBS Forum
35. Regarding the issue of cracking and carbon deposition - HCBBS Forum
36. Jiangsu Liquiquan’s corrosion-resistant chemical pumps enhance the competitiveness of China’s pump industry - HCBBS Forum
37. Advances in the application of residue hydrocracking technology - HCBBS Forum
38. 【Weekly Topic】【 Quality Version 20160811】 - HCBBS Forum
39. 【Daily Topic】【Civil Engineering Version 20160817】 - HCBBS Forum
40. 【Q&A Question 126】2016.08.24 - HCBBS Forum
41. Acidic water oil removal - HCBBS Forum
42. Stuck on combating the three violations? Please refer to these “ten combinations”! - HCBBS Forum
43. Personnel responsible for design, welding, and manufacturing processes also perform non-destructive testing tasks - HCBBS Forum
44. Are there any procedures for the detection and handling of hazardous gases and flammable gases in terms of safety? - HCBBS Forum
45. What material is used for butyl octyl alcohol storage tanks? - HCBBS Forum
46. I’m seeking help from those who are well-versed in the methanol production process (Linde process). How is PSA hydrogen produced? Is it from that remaining material? - HCBBS Forum
47. Problem of salt waste caking - HCBBS Forum
48. Differences between metal wound gaskets in version 09 and version 97 - HCBBS Forum
49. 【Daily Topic】【Engineering Version 20160820】 - HCBBS Forum
50. Regarding the issue where the safety valve cannot return to its normal state after being activated by incoming material - HCBBS Forum
51. 【Repost Share】Goodbye, My girl - HCBBS Forum
52. Heat exchange calculation - HCBBS Forum
53. Selection of welding materials for pressure vessels - HCBBS Forum
54. 【Weekly Topic】【Electrical Edition 20160812】 - HCBBS Forum
55. Calculation of the reaction force at the vent pipe outlet - HCBBS Forum
56. Valve screw protection - HCBBS Forum
57. Are there any factories in Zhejiang that are hiring chemical operators? - HCBBS Forum
58. Basic Hydrogen Production Operation Test Questions - HCBBS Forum
59. 【Picture of the Day】2016 08 16 Picture of the Day – The amazing series continues. The device shown in this picture was manufactured by a certain factory itself. - HCBBS Forum
60. Instrument Pig Calculation Series, Lecture 2: Calculation of Thermometer Protection Sleeves - HCBBS Forum
61. Can gas mixtures within the explosion limit range be released to a flare system - HCBBS Forum
62. Salt crystallization issues in the sodium chloride production process - HCBBS Forum
63. Selection of transfer pumps for R141B at room temperature - HCBBS Forum
64. 2012 Day 1 Morning Question 70 - HCBBS Forum
65. Help needed - HCBBS Forum
66. In the APP, the “appreciation” feature can only be used to appreciate the original poster; it’s not possible to rate other users who have left comments - HCBBS Forum
67. The COD level in the circulating water is high - HCBBS Forum
68. The thermal efficiency of gas stoves and the issue of flue gas exit temperature - HCBBS Forum
69. Some issues with oxygen control valves - HCBBS Forum
70. Our company has two ranges for the weld evaluation thickness of dissimilar steels: one is 6–12, and the other is 16–32; the range of 13–15 is not covered. - HCBBS Forum
71. Large axial vibration of the motor - HCBBS Forum
72. Identifying Hidden Dangers from Images (60) - HCBBS Forum
73. Which type of valve is suitable for the raw water treatment stage? - HCBBS Forum
74. Pipe explosion occurred during the pressure testing of high-pressure steam pipes in the power plant - HCBBS Forum
75. Looking for OCP-related materials - HCBBS Forum
76. Is food-grade potassium chloride the same as table salt? Don’t understand? - HCBBS Forum
77. Daily Question 2016.8.23 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
78. What are the differences among the AI card models for Yokogawa DCS? - HCBBS Forum
79. Under what conditions should high vibration be considered for tower-type containers? - HCBBS Forum
80. Questions about phosphorus chemical industry knowledge – answered anytime, online daily - HCBBS Forum
81. 【Daily Question】In-depth Processing 20160825: Definition – What is the spontaneous combustion of FeS? - HCBBS Forum
82. 【Haichuan】Asset Ranking List~~~ - HCBBS Forum
83. Materials resistant to chloride corrosion - HCBBS Forum
84. Control valve - HCBBS Forum
85. Daily Security Technology Quiz (Single-choice Question) (2016.8.21) - HCBBS Forum
86. Environmental Protection Tip of the Day 8.11: Reward for participation, plus 5 more points for answering 3 questions correctly - HCBBS Forum
87. Selection of welding materials for welding between steel and nickel-based alloy dissimilar materials - HCBBS Forum
88. 【Weekly Topic】【Engineering Version 20160822】 - HCBBS Forum
89. 【Weekly Topic】【Electrical Edition 20160811】 - HCBBS Forum
90. What is DM an abbreviation for? - HCBBS Forum
91. Sign-in record post from August 12, 2016 - HCBBS Forum
92. [Comic] The King of Hell Looks for a Son-in-Law - HCBBS Forum
93. For the high-pressure and low-pressure lines in hydroprocessing reforming, is it better to use one control valve and one safety valve, or two control valves connected in parallel? - HCBBS Forum
94. Review of the feasibility study report - HCBBS Forum
95. Why should one undergo a occupational health check-up? - HCBBS Forum
96. Does anyone know about Peking University Pioneer? Is it suitable for young people to develop in? - HCBBS Forum
97. Main fan lubrication oil issue - HCBBS Forum
98. Problems of ammonia-based desulfurization for sulfur recovery - HCBBS Forum
99. 【Daily Question】In-depth processing 20160823: Definition of a term – Dry point. . . . . . - HCBBS Forum
100. Regarding the piping layout for water supply and drainage, fire protection water, and oily wastewater, which areas cannot be passed through by fire exits or the hydrogen compressor building? - HCBBS Forum