English — Forum #723 (Page 315/642)

1. Weilun touch screen - HCBBS Forum
2. 【Daily Question No. 139】March 22, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
3. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 476 - HCBBS Forum
4. The working pressure of the pipeline system is 7.0 MPa, and the medium is an explosive gas - HCBBS Forum
5. The pears are so big – should I take them away or keep them? - HCBBS Forum
6. 【Daily Question】Chemical Engineering Principles 346: Regeneration (March 23) - HCBBS Forum
7. Liquid extraction from internal floating roof tanks - HCBBS Forum
8. htri6.0 Chinese localization patch - HCBBS Forum
9. Which companies produce cool gel products with better performance?~~ - HCBBS Forum
10. Who has the standards for pipes and valves? - HCBBS Forum
11. Function of the inlet pipeline of the vacuum pump and the connection pipe to the heat exchanger - HCBBS Forum
12. What kind of standard is the Safety Maintenance Procedure for Chemical Processing Plants? - HCBBS Forum
13. Refrigeration unit - HCBBS Forum
14. Does the percentage composition of flue gas emissions refer to the content in wet flue gas or dry flue gas? - HCBBS Forum
15. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 471 - HCBBS Forum
16. Questions regarding the examination for personnel responsible for the approval of pressure pipeline design - HCBBS Forum
17. Differential pressure flowmeters are always inaccurate when measuring steam - HCBBS Forum
18. Should product quality be improved? - HCBBS Forum
19. Sign-in record post from March 28, 2016 - HCBBS Forum
20. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 275 - HCBBS Forum
21. Thoughts on overhauling turbines manufactured in Germany - HCBBS Forum
22. LNG refrigerant balance adjustment - HCBBS Forum
23. Can 115% fuming sulfuric acid reach a pressure of 0.3 MPa at room temperature? - HCBBS Forum
24. People from Chuanyi are working in the market in Wenzhou – does anyone have any recommendations for manufacturers or intermediaries that I could approach? - HCBBS Forum
25. Coating corrosion prevention related - HCBBS Forum
26. How is the workload for HAZOP analysis in coal chemical projects determined? Please offer some guidance from those who are more experienced - HCBBS Forum
27. If registered structural engineers in survey and design are required to take an exam, will chemical engineers not have to take one as well? - HCBBS Forum
28. Regarding the installation of Roots pumps - HCBBS Forum
29. 27% hydrogen peroxide - HCBBS Forum
30. Calculation of flow rate in the vent pipe at the top of the tower - HCBBS Forum
31. Development issues in the synthetic ammonia sector - HCBBS Forum
32. 【Joint Study*】【Civil Engineering Version 20160320】 - HCBBS Forum
33. What is the function of the π-shaped tube in a rotary disk extractor? - HCBBS Forum
34. Slightly contaminated oil tank - HCBBS Forum
35. Reasons for water presence in turbine oil - HCBBS Forum
36. 【Basic Knowledge of Risky Operations】Technical Requirements for Hot Work - HCBBS Forum
37. “The “space furnace” was successfully used for lignite gasification - HCBBS Forum
38. What causes the finished acid to have a yellow color? - HCBBS Forum
39. Can titanium-based materials resist seawater corrosion? - HCBBS Forum
40. Cold gas efficiency of four-nozzle water-coal slurry gasification technology - HCBBS Forum
41. What does “counter flange stick” mean? - HCBBS Forum
42. 2012, Professional Course Day 1, 6:9 p.m., regarding valves - HCBBS Forum
43. For oil refining and chemical enterprises, what is the definition of a plant, and what conditions must it meet? - HCBBS Forum
44. Video on the widespread use of industrial gases - HCBBS Forum
45. What are the standards for pipe supports? - HCBBS Forum
46. Why do some container interfaces have different sizes - HCBBS Forum
47. Seeking advice on the selection and identification methods for flowmeters and pressure transmitters - HCBBS Forum
48. Seeking part-time job: Process + Piping (Design), 6 years of experience - HCBBS Forum
49. Gauge inspection - HCBBS Forum
50. Are the furnace arch tubes convective tubes or water wall tubes? - HCBBS Forum
51. Price of activated carbon filters - HCBBS Forum
52. 【Joint Study*】【Civil Engineering Version 20160325】 - HCBBS Forum
53. Price of ammonia synthesis catalysts - HCBBS Forum
54. Questions regarding the selection of pressure switches - HCBBS Forum
55. Modification of explosion-proof motors - HCBBS Forum
56. . . . . . . . . . . . - HCBBS Forum
57. \"Leak\" of 13th Five-Year Energy Plan: Delay in coal chemical projects that haven’t started yet? - HCBBS Forum
58. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 473 - HCBBS Forum
59. Who has the regulations regarding mechanical test specimens for welding process qualification and product test plates?； 2. Welding material drying process specification ； - HCBBS Forum
60. Heat exchange tubes of the sulfur condenser - HCBBS Forum
61. What is the difference in working principles between reciprocating compressors and piston pumps? - HCBBS Forum
62. Is the resistance of the absorption tower normal? - HCBBS Forum
63. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 475 - HCBBS Forum
64. Surface treatment of bolts - HCBBS Forum
65. Fluctuations in AI points - HCBBS Forum
66. Saturated vapor pressure of 30% ethylene glycol aqueous solution - HCBBS Forum
67. Analysis of the Current Status of Comprehensive Utilization of Pyrolyzed C9 - HCBBS Forum
68. Dehydration process for the raw material mixture used in VCM production via the calcium carbide method - HCBBS Forum
69. Sulfur Daily Question, March 25------5 rewards for participation, 10 rewards for correct answers - HCBBS Forum
70. File encryption software - HCBBS Forum
71. The problem of dew point corrosion in catalytic converters - HCBBS Forum
72. Post prefix confirmation post - HCBBS Forum
73. Issues regarding the final circumferential weld of pressure vessels and the welding of nozzles at the vessel’s openings - HCBBS Forum
74. 【Daily Topic】【Electrical Edition 20160320】 - HCBBS Forum
75. Chloroethylene accident at Jinlu Group: three people died from poisoning - HCBBS Forum
76. Sulfur Daily Question, March 22------5 wealth for participation, 10 wealth for correct answers - HCBBS Forum
77. Cold gas efficiency of four-nozzle gasification technology - HCBBS Forum
78. Sulfur Daily Question, March 24------5 wealth for participation, 10 wealth for correct answers - HCBBS Forum
79. Purging of hydrogen peroxide pipelines and liquid sulfur pipelines - HCBBS Forum
80. Sulfur Daily Question, March 30------5 wealth for participation, 10 wealth for correct answers - HCBBS Forum
81. Electric valve manufacturers - HCBBS Forum
82. Methanol Weekly Topic: What are the main challenges in expanding methanol production facilities? 2016.03.2... - HCBBS Forum
83. Discussion on the expanded applications of intelligent PID - HCBBS Forum
84. List of 56 work safety distances - HCBBS Forum
85. Welding residual stress - HCBBS Forum
86. Regarding stainless steel seamless pipes: the choice between old and new grades of welded pipes - HCBBS Forum
87. How is the sequence of lifting and lowering volumes in a atmospheric and vacuum distillation unit determined? - HCBBS Forum
88. What is the basis for adding a quick-cut valve to the container extraction line? - HCBBS Forum
89. Can Q235 still be used for pressure vessel materials? - HCBBS Forum
90. Should storage tanks for Class B liquid propane with a storage temperature above 100°C be equipped with dedicated purge tanks? ? ? ? - HCBBS Forum
91. Flow meter selection - HCBBS Forum
92. Let me ask~ - HCBBS Forum
93. Occupational Health Daily Question 3.19: Participate for a prize; 5 correct answers and another prize will be given - HCBBS Forum
94. What does the clean oil pump do? - HCBBS Forum
95. Light hydrocarbon feed protection bed - HCBBS Forum
96. PDS software pipeline opening - HCBBS Forum
97. Wiring issues with Dwyer flow switch V6 series instruments - HCBBS Forum
98. The answers to the work-related injury cases have been released. Yuan Fang, come and see if your guesses are correct! - HCBBS Forum
99. Regarding the standby units, how have you configured the interface between the unit’s own interlocks and the process interlocks? - HCBBS Forum
100. Simulation of sodium aluminate solution evaporation - HCBBS Forum