English — Forum #723 (Page 623/642)

1. LALALALALALALALALAL - HCBBS Forum
2. Discussion on the actual usage of primary brine with ceramic membranes by various manufacturers! Truth is needed; we must pursue technological progress! - HCBBS Forum
3. Safety distance for 20KV substations - HCBBS Forum
4. Looking for a CAD plugin for 2D piping? - HCBBS Forum
5. Frequency and standards for amine solution replacement in sulfur recovery flue gas purification - HCBBS Forum
6. Issues regarding the medium-pressure steam generator in diesel hydroprocessing units - HCBBS Forum
7. What are the anti-corrosion measures for heat exchangers in polysilicon production? - HCBBS Forum
8. Regarding centrifugal fans and Roots fans? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
9. Oil and gas properties in catalytic cracking settlers - HCBBS Forum
10. How to protect stainless steel furnace tubes during major maintenance periods - HCBBS Forum
11. Preparation for the First-Class Constructor Exam - HCBBS Forum
12. Protection of the compressed air pipeline for pneumatic valves - HCBBS Forum
13. On the use of Gore membrane devices in the filtration of oxalic acid solutions! ? - HCBBS Forum
14. The liquid level at the bottom of the distillation tower in the diesel upgrading unit fluctuates severely - HCBBS Forum
15. Is it necessary to install a fuse on a 24V DC relay? - HCBBS Forum
16. Can foreigners understand Chinglish? - HCBBS Forum
17. How to treat wastewater containing antibiotics - HCBBS Forum
18. [Daily Question] Sewage Knowledge-100 (June 14) (2 points for answering, 4 points for a correct answer) - HCBBS Forum
19. Seeking advice from experienced seniors regarding career prospects - HCBBS Forum
20. One question per day — a logic puzzle - HCBBS Forum
21. Seeking help with pipeline selection - HCBBS Forum
22. What are the main components of methanol oil? Which device is the main source of production? - HCBBS Forum
23. Impact on the device at low processing volumes - HCBBS Forum
24. Decision of the State Council on Amending the Regulations on the Management of Survey and Design for Construction Projects - HCBBS Forum
25. Safety facilities related to ammonia gas - HCBBS Forum
26. Are there any regulations regarding the number of gas cylinders that can be kept in the workshop? - HCBBS Forum
27. Reasons for a lower offer during an interview and how to respond to the interviewer? - HCBBS Forum
28. Online analyzers for the measurement of trace NH3 - HCBBS Forum
29. Determination of the desulfurization scheme for copper-based catalysts - HCBBS Forum
30. On online analyzers for the inspection of synthetic liquid nitrogen washing processes - HCBBS Forum
31. What aspects should be considered when formulating a PM plan for a new factory? - HCBBS Forum
32. Aspen simulation method for the properties of three-phase separation - HCBBS Forum
33. Generation and elimination of the error between the on-site cumulative value and the central control cumulative value - HCBBS Forum
34. I want to work on the PKS OPCI communication for HW today, but I don’t know where to start. . - HCBBS Forum
35. Weekly topic: 5 Wealth points for correct answers, 2 Wealth points for participation； Question 78 - HCBBS Forum
36. Diaphragm compressor oil pressure issues - HCBBS Forum
37. Difference in the ratios of acid, water, and no water added to the electrolytic cell - HCBBS Forum
38. Solubility of solid organic matter - HCBBS Forum
39. Let’s talk about automated valves - HCBBS Forum
40. When a pressure vessel has its storage medium replaced and is used at atmospheric pressure, are there any procedures that need to be followed? To utilize existing facilities for building a tank area - HCBBS Forum
41. Seek CAD drawings for equipment capable of producing 400,000 tons of synthetic ammonia per year - HCBBS Forum
42. The PH probe keeps leaking fluid; what can be done if it’s difficult to seal it? - HCBBS Forum
43. It’s Father’s Day today! Happy Father’s Day to all fathers in the world! Wishing you good health! - HCBBS Forum
44. Problems in distillation tower operation - HCBBS Forum
45. About AutoCAD P&ID software - HCBBS Forum
46. The butene content in propane at the bottom of the propylene distillation column in the ethylene plant is high - HCBBS Forum
47. American standard ball valve, please explain - HCBBS Forum
48. Selection of valves resistant to 550 degrees - HCBBS Forum
49. Which expert knows the specific heat capacity of xylene? - HCBBS Forum
50. Is blasting required for pipeline purging? - HCBBS Forum
51. Comparison of CO and H2 separation methods - HCBBS Forum
52. Mechanical seal - HCBBS Forum
53. The material stirring device in the clarification tank has been out of service for 1 month····· - HCBBS Forum
54. Regulatory documents on the management of automated instruments - HCBBS Forum
55. Analysis of Global BOPP Capacity Distribution - HCBBS Forum
56. Please help with the translation-------- - HCBBS Forum
57. Will a high compressor drain flow rate reduce production? - HCBBS Forum
58. Downloading attachments requires wealth points - HCBBS Forum
59. [Technical Exchange Post] One question per day, June 14, 2015 (EIA discussion); 3 wealth points for replies, plus 5 wealth points for correct answers - HCBBS Forum
60. Why isn’t a flame arrester installed on fuel oil? - HCBBS Forum
61. Can arrays be used to store data in the CS3000CALCU module? - HCBBS Forum
62. In the regeneration of amine solution, is the water added to the amine solution preparation and recovery tank deionized water or deoxygenated water? - HCBBS Forum
63. Regarding the statistical criteria for the interlock operation rate, is it calculated based on conditions and bypass switches? What do others do in this regard? - HCBBS Forum
64. Is a venturi tube a pressure vessel? - HCBBS Forum
65. Does anyone have construction guidelines or something similar for wastewater treatment plants, for each individual unit? - HCBBS Forum
66. Help needed regarding rectifier devices - HCBBS Forum
67. Should I use a thermal resistor or a thermocouple? ! - HCBBS Forum
68. Newbie in the chemical industry, seeking help! - HCBBS Forum
69. Daily Question June 18, 2015 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers - HCBBS Forum
70. Who has information on solvent regeneration in two stages that they can share? - HCBBS Forum
71. catalyst - HCBBS Forum
72. The effect of carbon monoxide on Raney nickel catalysts used in hydrogenation reactions - HCBBS Forum
73. Searching for information within the forum - HCBBS Forum
74. Regarding the specific gravity of enamel in glass-lined disc condensers - HCBBS Forum
75. Is a pressure interlock for the main burner of the heating furnace necessary? - HCBBS Forum
76. 【Daily Question】 6.22 Pressure Vessel Media: 2 points for replying, +3 for a correct answer, +5 for a perfect answer - HCBBS Forum
77. Relax a bit–here’s a joke–OCD is deadly! - HCBBS Forum
78. What does the cavitation specific speed of a pump mean? - HCBBS Forum
79. Mechanical seal - HCBBS Forum
80. What volume does “hold-up volume” refer to? - HCBBS Forum
81. Is a pressure relief valve or a flow control orifice plate better for nitrogen sealing to reduce pressure in storage tanks? - HCBBS Forum
82. The impact of coking feedstock properties on operations - HCBBS Forum
83. Regarding the issue of how to control the temperature of the fluid in the water cooler - HCBBS Forum
84. What devices can replace the 2BE1 series water ring vacuum pumps? - HCBBS Forum
85. Metering accuracy of flow meters - HCBBS Forum
86. The heat exchangers used in polysilicon production are suffering from severe leakage – what are some good solutions? - HCBBS Forum
87. What was the solution to the last question in the morning session of the 2013 case study on heat transfer through double glass? - HCBBS Forum
88. Seeking a job with many years of experience in methyl methacrylate (MMA) - HCBBS Forum
89. On the presulfurization and passivation of hydrogenation catalysts - HCBBS Forum
90. Selection of online gas analyzers - HCBBS Forum
91. Does the pneumatic on/off valve F.C refer to a gas supply failure? Is it still a fault with the air source and the solenoid valve? - HCBBS Forum
92. How to deal with inaccurate liquid level in the vacuum tank of a steam turbine condenser - HCBBS Forum
93. Design a pipeline surge system. - HCBBS Forum
94. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 84 - HCBBS Forum
95. 【Daily Question】Occupational Health-004 (June 19) (2 points for answering, 4 points for a correct answer) - HCBBS Forum
96. How to better meet the installation requirements for electromagnetic flowmeters - HCBBS Forum
97. Looking for textbooks from the association for transfer - HCBBS Forum
98. Poor performance of oil and gas recovery system - HCBBS Forum
99. Instrument for measuring pressure pulsations - HCBBS Forum
100. Jiangsu China Construction Engineering Design and Research Institute Co., Ltd - HCBBS Forum