English — Forum #723 (Page 378/642)

1. Registration for the 2016 Certified Consulting Examination is opening soon – how are you guys preparing? - HCBBS Forum
2. 【Daily Topic】【Live Version 20160115】 - HCBBS Forum
3. Inspection of liquid ammonia spheres - HCBBS Forum
4. C5, C6 light hydrocarbon isomerization technology - HCBBS Forum
5. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 415 - HCBBS Forum
6. Issues regarding the manufacturing costs of Class II pressure vessels - HCBBS Forum
7. What advantages do foreign suppliers of ion membrane electrolyzers still have at present? - HCBBS Forum
8. How is pressure controlled when switching between the main and standby rotary vane blowers? - HCBBS Forum
9. Acidic water angle valve - HCBBS Forum
10. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 422 - HCBBS Forum
11. Olefin production from methanol and olefin production from naphtha cracking - HCBBS Forum
12. 1: What does K mean? - HCBBS Forum
13. 【Daily Topic】【Live Version 20160113】 - HCBBS Forum
14. Catalytic feed oil nozzle model, how often should it be replaced - HCBBS Forum
15. 【Daily Topic】【Civil Engineering Version 20160119】 - HCBBS Forum
16. Has anyone used Sulsim? I’m encountering some issues and would like to discuss them - HCBBS Forum
17. Heat exchanger design and calculation - HCBBS Forum
18. Measures to extend the service life of smoke extractors - HCBBS Forum
19. Treatment of organic waste sulfuric acid with high COD - HCBBS Forum
20. 【Daily Topic】【Civil Engineering Version 20160112】 - HCBBS Forum
21. Problems with liquid sulfur pumps - HCBBS Forum
22. Seeking help for various devices of Tsinghua furnace - HCBBS Forum
23. The effect of backflow on column pressure. - HCBBS Forum
24. There is a lot of mist in the filter press workshop - HCBBS Forum
25. Chemical analysis - HCBBS Forum
26. What kind of valve is a jog valve? Directional control valve (in hydraulic systems) - HCBBS Forum
27. The low cut cannot be found on HART - HCBBS Forum
28. Why do impurities such as ferric tetraoxide and carbon appear in carbon steel pipelines? - HCBBS Forum
29. Who cares most about our health? - HCBBS Forum
30. How to determine Yang Cheng for a metering pump - HCBBS Forum
31. How are the costs of spare parts and materials allocated within the maintenance costs? - HCBBS Forum
32. Boiler room issues - HCBBS Forum
33. Temperature at the bottom of the convection section in the radiant section of the heating furnace - HCBBS Forum
34. Ammonia process electrozinc - HCBBS Forum
35. English description of gasket - HCBBS Forum
36. Anti-surge problems in centrifugal compressors - HCBBS Forum
37. I've always had an idea...... - HCBBS Forum
38. Should a fire safety section be established in the Safety and Environment area? Everyone is welcome to vote – there are prizes! - HCBBS Forum
39. Haichuan’s “Season of Gratitude” – Thanking Those I Once Hated【Safety Section 006】 - HCBBS Forum
40. 【Joint Study*】【HVAC Version 20160118】 - HCBBS Forum
41. 【Daily Question】2016 1.12 Multiple-choice question Before introducing fuel gas into the plant, it is necessary to check that all vent lines are.. - HCBBS Forum
42. Environmental Protection Daily Question 1.23: Participate for prizes; 3 correct answers earn an additional 5 prizes - HCBBS Forum
43. Polymer Materials Application Technology: Can someone with an associate degree apply for the Certified Chemical Engineer exam? - HCBBS Forum
44. Standards and specifications for jet fuel storage and transportation - HCBBS Forum
45. Selection principles for oils used in diaphragm compressors - HCBBS Forum
46. Haichuan’s “Season of Gratitude” – To Our Regretless Youth 【Mechanical 004】 - HCBBS Forum
47. HaiChuan Thanksgiving Season – The Unforgettable Teacher Who Introduced Me to Chemistry, “Wang Dana” 【Petrochemical Zone 018】 - HCBBS Forum
48. What is the purpose of applying a certain amount of compressive force to the upper bearing shell in a radial sliding bearing? - HCBBS Forum
49. Can the DCS perform an emergency stop when the pump is in local mode? - HCBBS Forum
50. Seeking help regarding superheated steam pipes - HCBBS Forum
51. Why is the error light on the P+F temperature-sensitive safety barrier lit? - HCBBS Forum
52. Issues regarding salt-acid resistant desiccant valves - HCBBS Forum
53. Regarding the execution and signing of the operation card, who signs? Which positions need to sign? Is it necessary to fill out a shutdown procedure card in case of an emergency shutdown? - HCBBS Forum
54. How to calculate the flow rate of oxygen in a pipeline - HCBBS Forum
55. How to perform small-signal rejection using 3051 - HCBBS Forum
56. Notice regarding matters related to the 2016 Professional Qualification Examination for Consulting Engineers (Investment) (Jiangsu Province) - HCBBS Forum
57. Seeking to purchase butylene-1 - HCBBS Forum
58. I have a question for the experts in piping technology: can steam carbon steel pipes be welded to stainless steel flanges? - HCBBS Forum
59. Discussion on the coal-based PC (polycarbonate) industry - HCBBS Forum
60. 【Daily Question】1.12 Short-answer question: What should be the 10% distillation temperature for the automotive gasoline used in your facility? - HCBBS Forum
61. Position of the water injection nozzle in centrifugal compressors - HCBBS Forum
62. Advantages, disadvantages, and application scope of the dual-seal type - HCBBS Forum
63. Selection of air compressors - HCBBS Forum
64. 20160119 One question per day - HCBBS Forum
65. 【Daily Question】January 22, 2016: The purpose of providing inlet and outlet stabilization zones on trays (first 50 replies + 2 points; additional 3–8 points for correct answers)... - HCBBS Forum
66. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 417 - HCBBS Forum
67. Issues regarding the start-up of expansion joints - HCBBS Forum
68. The centrifugal pump vibrates heavily - HCBBS Forum
69. What are the regulations regarding the use and maintenance of the PLAN72+75 scheme? - HCBBS Forum
70. Relationship between PTA concentration and viscosity - HCBBS Forum
71. What is a bearing housing? It would be best to include illustrations for explanation, thank you! - HCBBS Forum
72. Seeking help with transformation process - HCBBS Forum
73. Issues regarding the load current of high-voltage motors - HCBBS Forum
74. Guide **Question Set 3-35 - HCBBS Forum
75. Consult on the calculation methods for molecular sieve adsorption time and regeneration time - HCBBS Forum
76. Who has processed Sokol catalyst materials? - HCBBS Forum
77. Regarding the management of special equipment—how do the companies where you work manage it? - HCBBS Forum
78. Rocket - HCBBS Forum
79. Which view is correct regarding the operating temperature of RPTFE? - HCBBS Forum
80. What do Q47Y-150LBC DN200 RF STL/STL mean in digits and in letters? - HCBBS Forum
81. Pressurizer seal air - HCBBS Forum
82. 【Joint Study*】【HVAC Version 20160115】 - HCBBS Forum
83. What is the required value for the chloride level in the demineralized water supplied to the boiler, CL-? - HCBBS Forum
84. Is it necessary to install guardrails for the pipeline crossings that are about 1 meter in height within the refined oil warehouse? - HCBBS Forum
85. If you have 100,000 yuan, how should you manage it? - HCBBS Forum
86. 【Weekly Topic】Week 3 of 2016: Deep Processing of Petrochemicals in Everyone’s Eyes - HCBBS Forum
87. Let’s talk about the water-in-oil interlock in the butadiene plant - HCBBS Forum
88. Environmental Protection Daily Question 1.19: Participate for a prize; 3 correct answers and an additional 5 prizes will be given - HCBBS Forum
89. 【Daily Question】January 18, 2016: Participation = +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
90. How to deal with crystallization on the wall of the main burner pipeline in a heating furnace? - HCBBS Forum
91. The poor have valid reasons for chatting - HCBBS Forum
92. 【Daily Question】1.15 Scope of application of anodic protection (3 wealth points for a reply + additional 3–8 wealth points if the answer is correct) - HCBBS Forum
93. Haichuan Bank website - HCBBS Forum
94. CNOOC’s first project for converting coke oven exhaust gas into liquefied natural gas is about to be shut down - HCBBS Forum
95. Corrosivity of trifluoroacetic acid - HCBBS Forum
96. How to simulate a three-phase distillation column in PRO/II, and three-phase condensers in Aspen - HCBBS Forum
97. Could everyone please suggest some manufacturers in Shandong that use sulfur powder with about 37% sulfur content? - HCBBS Forum
98. Does a turbine need to undergo an overspeed test before being started up? - HCBBS Forum
99. What are the requirements for the minimum calorific value of the fuel gas at the inlet of the gas turbine? - HCBBS Forum
100. I recommend a book on ASPEN simulation, version 8.4 - HCBBS Forum