English — Forum #337 (Page 124/163)

1. Teacher Sun Lanyi’s book has arrived; the photo serves as proof - HCBBS Forum
2. Is the startup sequence of the centrifugal fan correct? - HCBBS Forum
3. Corrosion issues in the production of sulfuric acid An using triple-effect evaporation - HCBBS Forum
4. 11.25--bak version daily topics - HCBBS Forum
5. What do H&MBs mean? - HCBBS Forum
6. On the design of the syngas condenser for trichlorosilane production - HCBBS Forum
7. Liquid nitrogen pre-cooling - HCBBS Forum
8. Remove the discolorations that affect whiteness - HCBBS Forum
9. 【Traffic Rules * One Question per Day】20180114 – Feel free to participate in the Leisure Section “My Stories with Sports” - HCBBS Forum
10. Vent line in the middle of the fuel gas leak detection valve assembly - HCBBS Forum
11. Fire steam setup for refinery units - HCBBS Forum
12. The seal water is highly alkaline; what adverse effects does this have on the system? Seeking advice - HCBBS Forum
13. Spherical tank replacement - HCBBS Forum
14. Nitrogen sealing for storage tanks - HCBBS Forum
15. 10.29--bak version daily topics - HCBBS Forum
16. A small horse pulling a heavy cart - HCBBS Forum
17. The solubility of chlorine in carbon tetrachloride - HCBBS Forum
18. Becoming an Excellent Process Engineer” --5--- “How to Become an Excellent Machining Engineer?” ” - HCBBS Forum
19. In the production area, we’re sending holiday allowances to all our colleagues to celebrate National Day and the Mid-Autumn Festival! - HCBBS Forum
20. Analysis criteria - HCBBS Forum
21. What is the typical air velocity for air filters? Which standard does it appear in? - HCBBS Forum
22. [Mechanical Equipment Technology Edition] Daily Question 20171023: Energy regulation device for screw compressors - HCBBS Forum
23. Viscosity and boiling range specifications of raw materials for lubricating oil and benzene dewaxing units - HCBBS Forum
24. Why do materials with salt tend to cause material flooding (boiling)? - HCBBS Forum
25. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (November 8) - HCBBS Forum
26. 【HVAC Version】Daily Question 20171202 - HCBBS Forum
27. Process Section – Daily Hydrogenation Process Knowledge Question No. 045 - HCBBS Forum
28. 9.21 Daily Question – True or False; a prize is given for every correct answer (Pharmaceutical Engineering Technology version) - HCBBS Forum
29. Can a freezer be installed in an area with explosion hazards? - HCBBS Forum
30. 【HVAC Version】Daily Question 20171228 - HCBBS Forum
31. Liquefied Natural Gas: Processes and Engineering - HCBBS Forum
32. What kind of flow meter is this? - HCBBS Forum
33. Layout of the material feeding room - HCBBS Forum
34. Safety valve outlet pipeline - HCBBS Forum
35. What is the maximum operating capacity of the fan motor? ! - HCBBS Forum
36. ***Preheater sodium salt clogging issue - HCBBS Forum
37. Material issues with chromic acid solution storage tanks - HCBBS Forum
38. Partial pressures of components and phase equilibrium problems - HCBBS Forum
39. 【HVAC Version】Daily Question 20171220 - HCBBS Forum
40. Questions regarding ethylene glycol purification - HCBBS Forum
41. Reformation hydrogen-to-oil ratio issue - HCBBS Forum
42. Pipe roughness - HCBBS Forum
43. Mechanical seal water system - HCBBS Forum
44. Small-scale chemical industry - HCBBS Forum
45. Can the new framework of the expansion project be combined with the original unit to form one whole? - HCBBS Forum
46. Is the resistance loss in a pipe lower for turbulence compared to laminar flow? ! - HCBBS Forum
47. Fire hazard classification of ethylene glycol refrigerators - HCBBS Forum
48. Discussion on the safety distance between heating furnaces and reactors - HCBBS Forum
49. I would like to ask about the meanings of some abbreviations used in chemical plants - HCBBS Forum
50. The production of acids and bases using bipolar membranes enables clean production of organic acids and bases with zero emissions - HCBBS Forum
51. 【HVAC Version】Daily Question 20180107 - HCBBS Forum
52. What is the difference between pneumatic and electric automatic control valves? - HCBBS Forum
53. What standards do the pressure relief valves used for gases comply with? ? What standards are followed for gas line hoses and bayonet quick-connect fittings? - HCBBS Forum
54. Chinese versions of ASME B31.1 and B31.3 for power piping and process piping - HCBBS Forum
55. Selection and application of materials - HCBBS Forum
56. Fundamentals of Manufacturing Processes (True/False Questions) 20171107 - HCBBS Forum
57. Spring welding - HCBBS Forum
58. Equal-diameter tees and unequal-diameter tees - HCBBS Forum
59. 【HVAC Version】Daily Question 20171218 - HCBBS Forum
60. 【HVAC Version】Daily Question 20171208 - HCBBS Forum
61. Device sampling time - HCBBS Forum
62. The water tank in winter is heated by drilling holes in the steam coil; what length should the coil be? - HCBBS Forum
63. 【HVAC Version】Daily Question 20171209 - HCBBS Forum
64. How much is the price for carbon steel lined with rubber? ! - HCBBS Forum
65. Regarding the unit issue of the tank area level gauge displayed on the DCS? - HCBBS Forum
66. How to draw interlocks in PID diagrams - HCBBS Forum
67. Selection of breather valves for water tanks - HCBBS Forum
68. Is saline wastewater considered a hazardous chemical in the safety section? - HCBBS Forum
69. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (October 26) - HCBBS Forum
70. drag coefficient - HCBBS Forum
71. On the defluorination of sulfuric acid-based purification cycle fluid - HCBBS Forum
72. Is the length and diameter of the steam tracing pipe determined by the process or by the piping layout? - HCBBS Forum
73. As shown in the picture, do the pressure gauge sub-joints and shower sub-joints on circulating water need anti-freezing measures? - HCBBS Forum
74. On the compaction of polynitro compounds - HCBBS Forum
75. The meaning of numbers in chemical engineering drawings - HCBBS Forum
76. Has anyone used diatomaceous earth filters? Are they suitable for use with SS levels around 500 mg/L? - HCBBS Forum
77. The firing process of the castable has been stopped – how should this be handled? - HCBBS Forum
78. Where does the 1 kilogram for pressure vessels come from? ! - HCBBS Forum
79. All the really good players have gone to Xiao Mu Chong - HCBBS Forum
80. What is a reasonable design temperature for heating in hot oil pump rooms, and what are the relevant regulatory requirements? - HCBBS Forum
81. Are heating water and heat transfer fluid the same thing? - HCBBS Forum
82. Fundamentals of Manufacturing Processes (Multiple Choice) 20171228 - HCBBS Forum
83. 【HVAC Version】Daily Question 20180113 - HCBBS Forum
84. Year-end “Thanksgiving Event”” - HCBBS Forum
85. Tank level gauge in the tank farm - HCBBS Forum
86. Could the emergency relief valve get clogged? - HCBBS Forum
87. 【Mechanical Equipment Technology Edition】Daily Question 20171021: Handling Refrigeration System Failures - HCBBS Forum
88. 【Little Engineer’s Question】Are there any regulatory requirements regarding the location where large mechanical equipment is placed on-site? - HCBBS Forum
89. [Motive Equipment Technology Edition] Daily Question 20171111 Screw compressor unit lubrication system (2) - HCBBS Forum
90. Regulator on DCS - HCBBS Forum
91. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (October 28) - HCBBS Forum
92. Is it possible to install a check valve? - HCBBS Forum
93. The moderator is here - HCBBS Forum
94. 10.28 Daily Question – Fill-in-the-blank; a reward is given for every correct answer - HCBBS Forum
95. Regarding the pipe rack HG21629 - HCBBS Forum
96. Is socket welding required for gas pipelines? - HCBBS Forum
97. 【Daily Question】Pump Equipment Technical Exchange Edition 20180109 - HCBBS Forum
98. 【Traffic Rules * One Question per Day】20180112 – Feel free to participate in the Leisure Section “My Stories with Sports” - HCBBS Forum
99. Basic Process Knowledge (True/False Questions) 20171020 - HCBBS Forum
100. How to handle the contradictions between GB/T20801 and GB50184? - HCBBS Forum