English — Forum #723 (Page 621/642)

1. Safety Production Standardization Assessment - HCBBS Forum
2. What kind of crystallization apparatus is needed to crystallize ferrous sulfate in a 20% sulfuric acid solution? - HCBBS Forum
3. The methane content in the vent gas is extremely high; what methane conversion processes can be used? - HCBBS Forum
4. Experience and tips on the use of wireless instruments in tank areas - HCBBS Forum
5. The difference between safety valves and pressure relief valves - HCBBS Forum
6. Specific responsibilities of the general layout management specialty in coal chemical enterprises - HCBBS Forum
7. How to set the zero point for installing the turbine shaft displacement monitoring probe? - HCBBS Forum
8. Regarding superheated steam and saturated steam? - HCBBS Forum
9. How much do you know about acrylic (polymethyl methacrylate)? - HCBBS Forum
10. Food Topic 15 – How to peel peanuts - HCBBS Forum
11. What material valve should be used for this type of operating condition? - HCBBS Forum
12. There is an animal called the jelar monkey. Has anyone eaten it? Does anyone know how to prepare it to make it the most delicious? - HCBBS Forum
13. Selection of heat exchanger type - HCBBS Forum
14. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 224 - HCBBS Forum
15. Problems with the maintenance of moving equipment - HCBBS Forum
16. plant3d reducer, large and small ends, eccentricity - HCBBS Forum
17. Is it necessary to remove the instrument for calibration? - HCBBS Forum
18. Which expert has training videos on Tianjin Yilaining Company’s PKS system? I’d like to request them for sharing. Or other PKS videos are also fine,.... - HCBBS Forum
19. Do any experts have design information on feeding at the dew point for ethanol-water distillation columns? - HCBBS Forum
20. Who has a team safety magazine? - HCBBS Forum
21. Questions regarding vacuum drying - HCBBS Forum
22. I want to design 3D diagrams of pipelines and equipment in a chemical plant. What software is suitable for this? - HCBBS Forum
23. Service life of safety helmets - HCBBS Forum
24. Seeking information on the use and calibration of chromatography analyzers from ABB or Siemens - HCBBS Forum
25. Boiler water level is too high - HCBBS Forum
26. How is the industry of energy-saving upgrades for steam systems? - HCBBS Forum
27. As a boiler operator, what’s your first reaction in the event of an accident? - HCBBS Forum
28. The turbidity of the domestic water used in our factory is high after pretreatment; I’m not sure what the reason is - HCBBS Forum
29. Ethylene glycol for smoke exhaust vehicles - HCBBS Forum
30. Standard issue regarding the amount of defoamer to be injected? - HCBBS Forum
31. INFO TPSAR MESSAGE: 143.19% DC BACKUP IN COLUMN T-1201 - HCBBS Forum
32. Open area ratio of atmospheric pressure column trays - HCBBS Forum
33. 【Daily Question】Principles of Chemical Engineering 085: Filtration (June 20) - HCBBS Forum
34. 【Daily Question】Occupational Health-005 (June 22) (2 points for answering, 4 points for a correct answer) - HCBBS Forum
35. Single-ear cross arm L22091 L22121 L22131, tube clamp cross arm L18071 - HCBBS Forum
36. Regarding the insertion depth of the gauge - HCBBS Forum
37. Food topic 19: Should you eat the head when eating lobster, or not? - HCBBS Forum
38. How to understand that the condition for maintaining a balanced cyclic flow of a catalyst is: driving force = resistance. - HCBBS Forum
39. On-site fixing method for eye washers - HCBBS Forum
40. The immature work attitude of Xiao Shuo from the chemical plant - HCBBS Forum
41. Reciprocating compressor oiler - HCBBS Forum
42. Is a rotor pump suitable for unloading diesel? - HCBBS Forum
43. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 90 - HCBBS Forum
44. 【Weekly Topic】On the transition from coal to gas - HCBBS Forum
45. A smile on the weekend - HCBBS Forum
46. How can the hardships of children left behind in mountainous areas be addressed? - HCBBS Forum
47. The issue of inverted styrene-butadiene rubber Mooney value - HCBBS Forum
48. A project to produce solvent oils for gasoline and diesel using methanol as raw material - HCBBS Forum
49. Is adding charm by the moderators a useless feature? - HCBBS Forum
50. Instrument handling during the purging and pressure testing of process pipelines - HCBBS Forum
51. The workplace is too far from home; it’s a dilemma. - HCBBS Forum
52. How long a straight pipe section is required for stable flow when fluid flows through a fitting and creates local resistance? - HCBBS Forum
53. Impact of coker wax oil on catalysis - HCBBS Forum
54. Restrictions on the use of nickel - HCBBS Forum
55. Requirements for preparing as-built drawings of construction projects - HCBBS Forum
56. Does the input terminal specifically refer to the analog pressure value that needs to be input before the sensing element? - HCBBS Forum
57. How to maintain glass rotameters - HCBBS Forum
58. 【Daily Question】Wastewater Knowledge-101 (June 16) (2 points for answering, 4 points for a correct answer) - HCBBS Forum
59. Complete set of ISO quality management system documents for chemical engineering design institutes - HCBBS Forum
60. A question regarding gate valves - HCBBS Forum
61. How to conduct HAZOP analysis for technical improvement projects - HCBBS Forum
62. Gasoline hydrogenation - HCBBS Forum
63. I have a question regarding the pressure at the top and bottom of an atmospheric pressure tower - HCBBS Forum
64. Personal answers from the afternoon of the first day of the 2014 Chemistry exam; seeking verification and corrections. - HCBBS Forum
65. Are there any idioms similar to “overstepping one’s bounds” that express the act of interfering in a leader’s work just because one has nothing better to do? - HCBBS Forum
66. Neon helium blowout - HCBBS Forum
67. What about the application of antioxidants? - HCBBS Forum
68. Daily Question June 21, 2015 (Safe Communication): 3 wealth points for replies, 5 wealth points for correct answers; participation comes with rewards - HCBBS Forum
69. The voltage of the Woody cell is high - HCBBS Forum
70. Packed towers and plate towers - HCBBS Forum
71. How to translate “knitted mesh”? - HCBBS Forum
72. The temperature that an object can reach after radiation heat transfer—urgent request - HCBBS Forum
73. How to prevent slope collapse during foundation pit excavation? - HCBBS Forum
74. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 231 - HCBBS Forum
75. Seeking advice on the noise reduction mechanism and size of steam silencers - HCBBS Forum
76. What should I do if I want to work in PLC programming? - HCBBS Forum
77. Relationship between fan efficiency curve and rotational speed - HCBBS Forum
78. Are there QQ groups in the forum? - HCBBS Forum
79. 【Daily Question】Chemical Engineering Principles 081: Heat Transfer Resistance (June 16) - HCBBS Forum
80. Will a concentric diameter change at the condensate outlet of a steam plate heat exchanger cause liquid slugging? - HCBBS Forum
81. A speed-displacement machine is one that measures the rotor speed along with the displacement - HCBBS Forum
82. Father’s Day (You give blessings, I give flowers) - HCBBS Forum
83. Can the leakage class of a self-acting control valve reach Class V? It’s usually grade IV, right? - HCBBS Forum
84. Requirements for elevators in Class B factories - HCBBS Forum
85. How to calculate the MTBF of slurry pumps, that is, the average time between failures? - HCBBS Forum
86. Raw material requirements for hydrogenation refining unit - HCBBS Forum
87. Design considerations for ammonia-hydrogen gas mixtures - HCBBS Forum
88. Seek information on the construction techniques for acid-resistant floors and foundation treatment methods - HCBBS Forum
89. Regarding the management of systems, how can we prevent the same system from being interpreted differently by the same or different people? - HCBBS Forum
90. Precautions for maintaining level gauges in balanced vessels - HCBBS Forum
91. What is the Captive O-Ring Groove (CORG)? - HCBBS Forum
92. What is the pressure at the top of the vacuum tower? - HCBBS Forum
93. Gasoline and diesel blending ratios - HCBBS Forum
94. Emergency handling after de-energization of zero-pole distance slot - HCBBS Forum
95. Does the viscosity of a liquid affect pressure? - HCBBS Forum
96. 【Daily Question】June 24 – Problems on dynamic and static balance (80 participants get +2 points, plus 3–8 points for correct answers...) - HCBBS Forum
97. What measures are taken in towers used for granule filling to prevent clogging? - HCBBS Forum
98. The nitrogen seal valve continuously supplies nitrogen on rainy days - HCBBS Forum
99. How is Jingxian Benyuan Refining Co., Ltd.? - HCBBS Forum
100. Is it necessary to set up barriers at this construction site? - HCBBS Forum