English — Forum #723 (Page 220/642)

1. Atmospheric safety valve - HCBBS Forum
2. Summary of urea market conditions across China in July 2016 - HCBBS Forum
3. Zhejiang Province Chemical Engineering Examination - HCBBS Forum
4. Fault codes for Siemens positioners - HCBBS Forum
5. The notice for the 2016 Shanghai Chemistry and Physics exam has been released; keep it up! - HCBBS Forum
6. What size vent valve should be used for a 500-cubic oil tank? - HCBBS Forum
7. Sign-in record post dated June 30, 2016 - HCBBS Forum
8. 【Q&A Question 072】2016.07.01 - HCBBS Forum
9. Low-temperature methanol washing - HCBBS Forum
10. Regarding the issue of hydrogen injection water - HCBBS Forum
11. Cleaning of clogged Alfa Laval fully welded heat exchangers - HCBBS Forum
12. Seeking help: How to determine mental illness caused by work - HCBBS Forum
13. Adjustment of the refined colority of lubricant furfural - HCBBS Forum
14. Recently, the “Portal” and “Join Talent Pool” features were added~~ - HCBBS Forum
15. How should discarded acid-resistant fiberglass tanks containing concentrated salt be disposed of? - HCBBS Forum
16. High outlet pressure of the steam condensate centrifugal pump - HCBBS Forum
17. How to distinguish between domestic filter elements and original imported filter elements - HCBBS Forum
18. Emergency plan for instruments - HCBBS Forum
19. Zhejiang University Zhongkong DCS - HCBBS Forum
20. What are the treatment processes for the design of a 7000t/d printing and dyeing wastewater treatment plant? - HCBBS Forum
21. Keep working hard! - HCBBS Forum
22. How should a flat head be understood in the pressure vessel regulations? - HCBBS Forum
23. Were the previous specialized knowledge exams in injection molding closed-book or open-book? 3 hours or 4 hours? - HCBBS Forum
24. Has anyone ever carried out welding work on storage tanks that hold light oils? - HCBBS Forum
25. A question regarding intermediate handover - HCBBS Forum
26. Do you know the latest roster for the Olympic men’s basketball team? - HCBBS Forum
27. Adjustment of the aquaculture water: the supernatant in the aeration tank is turbid and yellowish. First time encountering this type of water - HCBBS Forum
28. Seeking advice from experienced users, thanks - HCBBS Forum
29. 【Daily Judgment NO.51】June 30, 2016 - HCBBS Forum
30. Experienced and new employees in hydrogen production to share their experiences - HCBBS Forum
31. Focus on silica characterization - HCBBS Forum
32. Fixed-bed reactor - HCBBS Forum
33. Operation of the economizer in screw chillers - HCBBS Forum
34. What is the purpose of drilling screw holes in the perforated reinforcement ring? - HCBBS Forum
35. 【Weekly Topic】【Civil Engineering Version 20160627】 - HCBBS Forum
36. Aromatization – temperature increase, no yield! I hope the experts can offer some guidance! ! - HCBBS Forum
37. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 26th - HCBBS Forum
38. How to carry out sulfur blowing with gas? - HCBBS Forum
39. Treatment of the evaporated condensate from the anhydrous sulfuric acid solution - HCBBS Forum
40. cadworx2015 - New Project - Error Code 22052 - HCBBS Forum
41. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 31 - HCBBS Forum
42. Activated carbon for decolorization and deodorization - HCBBS Forum
43. Fiber optic model issue - HCBBS Forum
44. Help simulate the condensate flash using ASPEN - HCBBS Forum
45. What is a civil building? Are the employee rest rooms, dormitories, and control rooms within the factory building considered civil buildings? - HCBBS Forum
46. What do the gasket coefficient m and the pressure y represent in the design calculations for flanges? - HCBBS Forum
47. Which standard is more authoritative regarding the pipe spacing on pipe racks? ? - HCBBS Forum
48. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 24th - HCBBS Forum
49. Work at a design institute first, then go to a factory - HCBBS Forum
50. What are the uses of ferritic stainless steel? - HCBBS Forum
51. Plan52 mechanical seal - HCBBS Forum
52. Breathing and sublimation issues in sulfur storage tanks - HCBBS Forum
53. Professional title exchange - HCBBS Forum
54. Reasons why copper or copper alloys cannot be used for valve internals - HCBBS Forum
55. Greening issues in the liquefied gas loading and unloading area - HCBBS Forum
56. 【Weekly Topic】【Electrical Edition 20160623】 - HCBBS Forum
57. Regarding the issue of thresholds for equipment and materials - HCBBS Forum
58. Specifications for the management of occupational health records - HCBBS Forum
59. Preheating and temperature rise - HCBBS Forum
60. Why is it said that flow-closed valves are more prone to flashing than flow-open valves - HCBBS Forum
61. Safety Technology Exchange Edition: Daily Question (2016.6.24) - HCBBS Forum
62. Is there any continuing education required during the registration period for chemical engineers? - HCBBS Forum
63. Summary of the sulfur market and prices in July 2016 - HCBBS Forum
64. Specific heat capacity and thermal conductivity - HCBBS Forum
65. According to petrochemical regulations, is it required to install a safety valve in every combustible liquid storage tank? - HCBBS Forum
66. A brief discussion on the industrial boiler market - HCBBS Forum
67. Three separators in the combined station - HCBBS Forum
68. What are the common English abbreviations used in production? - HCBBS Forum
69. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 57 - HCBBS Forum
70. How to control production - HCBBS Forum
71. Why can’t wafer-type check valves be connected directly to the pipe connections of equipment or other valves? - HCBBS Forum
72. Regarding the design pressure of the pipeline! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ...1 - HCBBS Forum
73. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 42 - HCBBS Forum
74. I have the urge to have the construction team killed, but I don’t have any plan; I’m seeking help - HCBBS Forum
75. How to set a zero-flow alarm on a flow meter? - HCBBS Forum
76. Experts, please give some advice - HCBBS Forum
77. 【Weekly Topic】【HVAC Version 20160622】 - HCBBS Forum
78. Issues with choosing flanges for manholes in pressure vessels? - HCBBS Forum
79. High leakage rate of the circulating hydrogen compressor and seal gas - HCBBS Forum
80. Oil temperature adjustment after the oil cooler! - HCBBS Forum
81. Code for Acceptance of Construction Quality of Petrochemical Electrical Engineering SH/T 3552-2013 - HCBBS Forum
82. Under the same heat load, does the furnace temperature rise higher when burning natural gas compared to burning fuel oil? - HCBBS Forum
83. Does the Oleflex process use a moving-bed reactor or a fixed-bed reactor? - HCBBS Forum
84. Why does flashing occur in hydrocarbon materials after passing through a safety valve? - HCBBS Forum
85. 【Safety Comic Materials】Ten Things Not to Lift for Safe Production in Workshops - HCBBS Forum
86. I’ve been struggling lately to decide which phone to get Seeking advice~ - HCBBS Forum
87. What is the oxygen content in dry gas that poses a risk? - HCBBS Forum
88. Which technology, desulfurization or denitration, is the trend for the future? - HCBBS Forum
89. Selection of the sensitive version of Aspen - HCBBS Forum
90. 【Daily Topic】【Production Version 20160622】 - HCBBS Forum
91. Fireproof materials - HCBBS Forum
92. Liquid level control range of the horizontal tank - HCBBS Forum
93. Lei Yang’s Prose (Two Pieces) - HCBBS Forum
94. Does the minimum forming thickness include a corrosion margin? - HCBBS Forum
95. Is an expander considered a compressor? - HCBBS Forum
96. 【Weekly Topic】【Civil Engineering Version 20160629】 - HCBBS Forum
97. Haichuan, this is Haichuan. - HCBBS Forum
98. Incinerator induced draft fan - HCBBS Forum
99. Why can’t I upload the photos on my phone? ? ? - HCBBS Forum
100. 【Daily Question No. 154】June 23, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum