English — Forum #723 (Page 44/642)

1. Seeking help regarding the hydrogen content in the off-gas from methanol-to-hydrogen production - HCBBS Forum
2. Seizing the opportunity in carbon trading - HCBBS Forum
3. The select type option is often encountered in processes such as physical property analysis, with options including GENERIC/PTENVELOPE/RESIDUE. - HCBBS Forum
4. Please help, I need to install a hole in a DN50 pipe - HCBBS Forum
5. Issues with the proper adjustment of the boiler - HCBBS Forum
6. What standards and specifications are used to select the pressure gauges for the inlet and outlet of a pump? - HCBBS Forum
7. High-pressure gas system - HCBBS Forum
8. Daily Fire Safety Tips - HCBBS Forum
9. :) - HCBBS Forum
10. The general contractor’s management of subcontractors - HCBBS Forum
11. Function of the pressure equalizing valve in PSA nitrogen generation system - HCBBS Forum
12. Ask the master - HCBBS Forum
13. I’m here for the online package - HCBBS Forum
14. What is the maximum scale of kerosene hydrogenation units and diesel hydrogenation units in China? - HCBBS Forum
15. Work hard Work hard Work hard Work even harder{:2_41:} - HCBBS Forum
16. When will the exam for Certified Safety Engineers in 2017 be held? - HCBBS Forum
17. How essential is the use of permanent magnet speed control in centrifugal pumps? - HCBBS Forum
18. Standards for the degree of automatic control of equipment instruments - HCBBS Forum
19. My little dream - HCBBS Forum
20. Calculate the density, as well as temperature and pressure under the discharge conditions of the safety valve - HCBBS Forum
21. Polysilicon - HCBBS Forum
22. Is degassed liquid sulfur explosive? - HCBBS Forum
23. Test questions - HCBBS Forum
24. Shenyang University of Chemical Technology - HCBBS Forum
25. What does \"falling film, several effects\" mean? - HCBBS Forum
26. Can a trench be used as a drainage ditch? ? Why, and what is the basis for it? - HCBBS Forum
27. How to select a gas chromatograph - HCBBS Forum
28. Methods for accurate measurement of steam flow meters - HCBBS Forum
29. On-site inspection of chemical enterprises - HCBBS Forum
30. Emergency cut-off valve for the catalytic fractionation tower bottom slurry - HCBBS Forum
31. The tert-butanol content in MTBE products is 1% – how to remove it? - HCBBS Forum
32. Will the catalyst tank in a catalytic cracking unit get flattened during the process of applying negative pressure? - HCBBS Forum
33. Regarding the fire that broke out in the spraying workshop of Jinyuan Electronics Co., Ltd. in Haiyang Economic Development Zone - HCBBS Forum
34. Gasification Daily Question: 2016-12-10 Process Analysis Question (5 points for participation, 10 points for a correct answer) - HCBBS Forum
35. Risk assessment - HCBBS Forum
36. With everyone's guidance - HCBBS Forum
37. Thank you - HCBBS Forum
38. Design Standards for Urban Public Toilets CJJ 14-2016, implemented on December 1, 2016 - HCBBS Forum
39. When the mountains seem endless and resources run low, seemingly with no way out, I saw a large rat - HCBBS Forum
40. Are you carrying out the “Three Ratings and One Evaluation” initiative for the transformation and upgrading of chemical enterprises? - HCBBS Forum
41. Is there a calculator for thermal losses in superheated steam pipes? - HCBBS Forum
42. Methods, steps, and precautions for reinstalling plate heat exchangers - HCBBS Forum
43. What valve should be used when the liquid contains a certain amount of solid powder? - HCBBS Forum
44. Is this the reason for the abnormal boiler make-up water? - HCBBS Forum
45. Regarding various pipes and sheets for boilers and pressure vessels； Discussion on steel for steel structures, high-strength steel, and special steel materials - HCBBS Forum
46. Put it down, and you win - HCBBS Forum
47. For cladded tube sheets, what is the appropriate number of layers? - HCBBS Forum
48. Aspen distillation simulation questions and** - HCBBS Forum
49. What is the standard for the fit between the coupling pulley and the shaft? ? ? - HCBBS Forum
50. Regarding chlorine vaporizers - HCBBS Forum
51. Daily Security Management Technology Question (12.17) - HCBBS Forum
52. Environmental impact assessment for the fourth coal-to-natural gas project of the year approved - HCBBS Forum
53. Help, how much does it cost to invest in a 300,000-ton methanol plant? - HCBBS Forum
54. Propylene - HCBBS Forum
55. It’s the end of the year, and there are some things I need to get off my chest. - HCBBS Forum
56. Methionine - HCBBS Forum
57. What is the impact of high reaction temperatures in the methanol synthesis tower on the methanol product? - HCBBS Forum
58. One post is missing to claim the points - HCBBS Forum
59. Can a pump room be installed under the pipe gallery of Class A installations? - HCBBS Forum
60. Operation video of shielded pump - HCBBS Forum
61. I want to keep the memories; how can I repair the gaps in my memory? ? - HCBBS Forum
62. Gas detection issues in internal floating roof tanks - HCBBS Forum
63. On the 13th attempt, 100 gold eggs were smashed; 55 times the participation value was won, resulting in a loss of 130~ - HCBBS Forum
64. Nylon material processing techniques and precautions! - HCBBS Forum
65. 【Daily Topic】【Production Version 20161216】 - HCBBS Forum
66. CCPS Process Safety Management System - HCBBS Forum
67. The SHU reactor cannot reach the desired temperature - HCBBS Forum
68. Anti-static for non-metallic exhaust ducts - HCBBS Forum
69. Service life of the anodizing production line - HCBBS Forum
70. Coal chemical industry job hunting season: Make the most of it - HCBBS Forum
71. Motor speed - HCBBS Forum
72. What are the disadvantages of having a conveyor belt that is adjusted to be too tight? - HCBBS Forum
73. Seeking information - HCBBS Forum
74. expander - HCBBS Forum
75. With frequent cold waves, how can refining and petrochemical companies survive the winter safely? - HCBBS Forum
76. How to select a dust removal fan? - HCBBS Forum
77. Heat transfer area required for HTRI calculations - HCBBS Forum
78. If a high-pressure reciprocating pump is chosen as the feed pump for the lubricant hydrogenation unit, which brand is good? - HCBBS Forum
79. Alkylated oil mixed with water - HCBBS Forum
80. Safety | Verdict issued in the “8·31” major accident at Dongying Binyuan Chemical Co., Ltd.; hope that those working in the field of safety will no longer experience accidents - HCBBS Forum
81. Daily Safety and Fire Prevention Question (12.13) - HCBBS Forum
82. Modified asphalt - HCBBS Forum
83. The bottom temperature of the acidic water stripping tower fails to rise - HCBBS Forum
84. FRP temperature - HCBBS Forum
85. Let’s try turning ancient poems into three-line verses - HCBBS Forum
86. How is it reflected that the distance from the center of the opening to the end of the cylinder is less than the diameter SW6 of the opening? - HCBBS Forum
87. Debenzeneation reactor - HCBBS Forum
88. How to increase charm level - HCBBS Forum
89. Can the welding joint angle be changed? - HCBBS Forum
90. The matter in Fengcheng is not yet resolved - HCBBS Forum
91. Instrument maintenance management system - HCBBS Forum
92. Pipeline design pressure and pipeline pressure testing - HCBBS Forum
93. What to do if pinholes appear in the corrosion layer of the hydrochloric acid storage tank? - HCBBS Forum
94. Is a hydrostatic test required for the outer tank of a low-temperature full-volume vessel with bimetallic walls? - HCBBS Forum
95. What is the reason why refined methanol only meets the qualified standards? - HCBBS Forum
96. Float Design Specifications - HCBBS Forum
97. What are the advantages of using CO2 gas as a coal transport gas compared to using nitrogen as a coal transport gas? - HCBBS Forum
98. What standards are in place for dust emissions in the chemical industry? - HCBBS Forum
99. “\"Card-based pollution discharge\" and \"pollution rights trading\": from left to right - HCBBS Forum
100. Survey: What is the gas output for each type of home appliance? - HCBBS Forum