English — Forum #723 (Page 505/642)

1. 【Daily Question】9.30 Fill-in-the-blank: Pressure vessel pressure test standards. (Reply +2) - HCBBS Forum
2. 【Daily Question】Chemical Engineering Principles 182: Principles Behind Distillation Operations (September 24) - HCBBS Forum
3. About Documents to Go on Android phones - HCBBS Forum
4. Is it actually allowed to use a sleeve with an F wrench? - HCBBS Forum
5. 【Weekly Topic】Treatment of Acidic Water Tanks - HCBBS Forum
6. Information about SPI - HCBBS Forum
7. Role of the headspace in MTBE synthesis reactors - HCBBS Forum
8. What is the purpose of pipe supports and diagonal bracing on columns? ! - HCBBS Forum
9. Manufacturers of polytitanocobaltocyanide and sulfonated titanicobaltocyanide - HCBBS Forum
10. How to address the high methyl BDO content in BDO production? - HCBBS Forum
11. What is the approximate price of a GGH heat exchanger for boiler desulfurization in a 300-megawatt unit? - HCBBS Forum
12. Issues with the installation of cabinets at the traditional Chinese medicine extraction site - HCBBS Forum
13. Congratulations on the men’s basketball team finishing the group stage with a perfect record! I hope this state can be maintained! - HCBBS Forum
14. How is the tower pressure in a distillation column generated? - HCBBS Forum
15. What should be done with the regenerated hydrogenation catalyst after it has been soaked in water? - HCBBS Forum
16. Chemical process design - HCBBS Forum
17. What is the typical temperature of the feed oil after hydrocracking sulfidation, and what is the basis for this? - HCBBS Forum
18. 【Daily Question】9.27 Reply +2； For +3 to 8, a Mid-Autumn Festival red envelope is issued - HCBBS Forum
19. 【Daily Question】Question from Issue 20151008 - HCBBS Forum
20. I want to buy a Navitel U370. Is the TMC real-time traffic information feature useful? - HCBBS Forum
21. Chemical Engineering in Daily Life – Question 78: Why are green beans cooked by stewing? - HCBBS Forum
22. Warm congratulations to the first Chinese scientist to win a Nobel Prize! Keep working hard; it might be you next! - HCBBS Forum
23. Determination of moisture content in zinc sulfate heptahydrate - HCBBS Forum
24. Instrument air - HCBBS Forum
25. Operating Procedures for Wire Elongation Tester - HCBBS Forum
26. What are the functions of low-voltage cabinets and high-voltage cabinets? - HCBBS Forum
27. Preview of the men’s basketball team’s second round group matches against Lebanon: We must press on without pause - HCBBS Forum
28. Regarding a career change in pipeline materials - HCBBS Forum
29. Environmental Protection Daily Quiz: September 23 – Participation earns a prize; correct answers earn an additional reward - HCBBS Forum
30. Cobalt polyphthalo cyanide - HCBBS Forum
31. Klaus sulfur recovery - HCBBS Forum
32. Wuhan Kaidi 10,000-ton biomass oil production (gasification-FT synthesis route) - HCBBS Forum
33. For environmental protection projects, how can an oil-water separation tank be designed by referring to the design of an oil-water separator? - HCBBS Forum
34. The oxygen side of the fully submersed main condensation evaporator in the oxygen tower is equipped with a level gauge; is the liquid level on the nitrogen side of the condenser different from that on the oxygen side?... - HCBBS Forum
35. Just graduated, seeking guidance - HCBBS Forum
36. 【Weekly Question】+9 for correct answers, +2 for participation, +1 for attempting to answer； Close this post on Sunday - HCBBS Forum
37. Calculation of process water tank thickness - HCBBS Forum
38. What are the sealing types for synthesis towers? - HCBBS Forum
39. The issue of high consumption of crude benzene washing oil - HCBBS Forum
40. 【Daily Question】Question from Issue 20150929 - HCBBS Forum
41. 【Daily Question】Chemical Engineering Principles 191: Absorbents (October 3) - HCBBS Forum
42. Issues with the flange gaskets of liquid oxygen pumps - HCBBS Forum
43. 【Daily Question】Chemical Engineering Principles 192: Absorption Calculations (October 4) - HCBBS Forum
44. The pollution of the atmosphere by torches - HCBBS Forum
45. Revisiting the difference between passive dry contacts and active wet contacts? How are four-wire and two-wire systems configured and connected? - HCBBS Forum
46. Does the pressure control valve of the liquid nitrogen tank need to be adjusted? - HCBBS Forum
47. Yesterday, the Chinese men’s basketball team really delivered a great performance against South Korea – they turned the score around by more than 20 points and managed to win - HCBBS Forum
48. Why is the purging signal set to 72 hours for space furnaces? - HCBBS Forum
49. What are the problems encountered during the tuning of control valves? - HCBBS Forum
50. Should outdoor work in confined spaces be halted during thunderstorm weather? - HCBBS Forum
51. Advantages of using pulleys in cranes and selection of materials for pulley manufacturing - HCBBS Forum
52. Instrumentation Technician Training* - HCBBS Forum
53. What is ammonium carbonate and what are its quality standards? - HCBBS Forum
54. Control of equipment lubrication oil consumption loss - HCBBS Forum
55. Catalyst heavy metal pollution - HCBBS Forum
56. MTBE extraction temperature - HCBBS Forum
57. Selection of root valves for spherical tanks - HCBBS Forum
58. Sign-in record post from October 6, 2015 - HCBBS Forum
59. 【Daily Question】Chemical Engineering Principles 187: Distillation Operations (September 29) - HCBBS Forum
60. Regarding issues related to geological surveys - HCBBS Forum
61. Urgently need a simulation courseware for the double-effect distillation process - HCBBS Forum
62. Help: Motor selection - HCBBS Forum
63. Discussion on the details of communication loss between the PLC and the host computer - HCBBS Forum
64. Ultrasonic metal refinement - HCBBS Forum
65. Seek the calculation method for the diffusion range of flammable gases - HCBBS Forum
66. Complaint against Bohai Chemical Plant for illegal production - HCBBS Forum
67. Selection of thick acid unloading pump - HCBBS Forum
68. Conversion of coal calorific value - HCBBS Forum
69. Flow meter accuracy during tank transfer - HCBBS Forum
70. 【Daily Question】Question from Issue 20150924 - HCBBS Forum
71. What is Senide 98, an aluminum equipment cleaner? - HCBBS Forum
72. Seek advice on the separation of propyl acetate and petroleum ether - HCBBS Forum
73. How to calculate the amine solution circulation volume - HCBBS Forum
74. Can the SIS system perform integration calculations? - HCBBS Forum
75. Components of acidic mud - HCBBS Forum
76. Salt recovery from desulfurization wastewater - HCBBS Forum
77. What are the methods for preparing a plan for safety technical measures? - HCBBS Forum
78. What is quality assurance in analytical testing? From which aspects should the quality control of analysis and testing be evaluated? - HCBBS Forum
79. PDS upper staircase - HCBBS Forum
80. Dicyclopentadiene darkens - HCBBS Forum
81. Which compressor is the best? - HCBBS Forum
82. Where can I buy inexpensive mineral processing equipment - HCBBS Forum
83. I have a question; I’d like to consult an expert - HCBBS Forum
84. How to concentrate MDEA amine solution? - HCBBS Forum
85. Weekly topic: Happy Mid-Autumn Festival quiz – 15 wealth points for correct answers, 10 wealth points for participation； Question 182 - HCBBS Forum
86. Looking for the CADWorx Plant Professional installation package - HCBBS Forum
87. High-level fuel tank valve assembly - HCBBS Forum
88. Pipe mixer - HCBBS Forum
89. What process should be used to recover water vapor containing solid particles? - HCBBS Forum
90. Please explain the mechanism of action of aerobic biological treatment. - HCBBS Forum
91. I’ve worked in the sulfuric acid industry for a few years; is it necessary to change careers while still young in an industry on the decline? - HCBBS Forum
92. Gasifier steam issue - HCBBS Forum
93. Everyone is discussing how to heat-treat the following composite plate heads: Q345R+316L - HCBBS Forum
94. Turbine vibration - HCBBS Forum
95. It’s the Mid-Autumn Festival again; what are you sending this year? - HCBBS Forum
96. CAD tabulation - HCBBS Forum
97. What is the “five simultaneities” principle for safe production? - HCBBS Forum
98. Looking to hire two non-destructive testing personnel; please recommend some candidates - HCBBS Forum
99. Wastewater treatment - HCBBS Forum
100. 【Daily Question】Question from Issue 20150923 - HCBBS Forum