English — Forum #723 (Page 479/642)

1. Chemical Reaction Engineering, Chemical Process Design, Petroleum Processing Engineering, Videos - HCBBS Forum
2. Flow velocity of supercritical water in pipes - HCBBS Forum
3. What are the steps in the overall assembly process of a segmented tower? - HCBBS Forum
4. Chemical plant - HCBBS Forum
5. Methods for handling residual gas in dimethyl ether gas cylinders - HCBBS Forum
6. 【Daily Question】Question for Issue 20151026 - HCBBS Forum
7. API 610 Edition 12 - HCBBS Forum
8. 【Design】Which design firms handle the process design for ethylene oxide? - HCBBS Forum
9. How to crush or destroy Na2SO4 after filtration using a filter press - HCBBS Forum
10. Which factories, and which aspects of those factories are prone to fires caused by static electricity? - HCBBS Forum
11. Total temperature difference during steady-state heat conduction in multi-layer planar walls - HCBBS Forum
12. Regarding the practices for rain eaves on storage tanks - HCBBS Forum
13. Our company is planning to set up a facility for producing coke oven gas, and we would like to know about the main equipment required for this purpose - HCBBS Forum
14. I earnestly request the PPT for piping training from Sinopec Ningbo Engineering Company - HCBBS Forum
15. How does the physical appearance of polymer particles affect their applications? - HCBBS Forum
16. Sign-in record post from October 19, 2015 - HCBBS Forum
17. One post per day - HCBBS Forum
18. Design of high-temperature manholes - HCBBS Forum
19. Environmental Protection Daily Quiz: October 19 – Participate for prizes; 3 correct answers and an additional 2 prizes - HCBBS Forum
20. Guidelines for the Standardized Management of Industrial Hazardous Waste Generating Units--11 - HCBBS Forum
21. Are there electronic versions of volumes 1, 2, and 3 of the second edition of the Instrument Technician Question Bank? - HCBBS Forum
22. How to choose a heat exchanger with only a 0.5-degree Celsius temperature rise in the process? - HCBBS Forum
23. What should be the slope value for the wash water drainage ditch in the tank farm? - HCBBS Forum
24. Are there any materials related to the production of PVC foam boards? - HCBBS Forum
25. 【Daily Question】Question from Issue 20151017 - HCBBS Forum
26. What are the differences between Rosemount’s 1151S and 3051C smart transmitters? - HCBBS Forum
27. Sign-in record post from October 17, 2015 - HCBBS Forum
28. Daily Question 2015.10.19 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
29. How to design and calculate ear-type support bolts - HCBBS Forum
30. Are there more vertical or horizontal high/low score displays on site? - HCBBS Forum
31. Q&A on szorb gasoline desulfurization technology - HCBBS Forum
32. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 340 - HCBBS Forum
33. Must liquefied hydrocarbon emissions be released in a sealed manner? - HCBBS Forum
34. 【Daily Question】Question from the 20151019 issue - HCBBS Forum
35. Catalytic diesel hydrogenation unit - HCBBS Forum
36. Siemens mass flow meter - HCBBS Forum
37. How to reduce the carbon content in the low-slag of circulating fluidized bed boilers? - HCBBS Forum
38. How many hydrogen projects are there across the country? - HCBBS Forum
39. Which pollutants in chemical wastewater are mainly treated by the activated sludge process? - HCBBS Forum
40. Are there any manufacturers that produce air purification devices? - HCBBS Forum
41. Newbie asking for help: What does pipe R(E)DN150*125 mean? - HCBBS Forum
42. How to use Event Scheduler? - HCBBS Forum
43. Reasons why the outlet temperature of the heating furnace cannot be increased and solutions - HCBBS Forum
44. 【Haichuan Irrigation Co., Ltd. Tea House】Teacher, unruly students and their parents - HCBBS Forum
45. Explain the reasons for the increase in temperature of the catalyst layer in the synthesis tower? - HCBBS Forum
46. What are the most common biological treatment methods for chemical wastewater? - HCBBS Forum
47. Which stages in a factory are prone to fires caused by static electricity - HCBBS Forum
48. Describe the startup procedures for the circulating water plant? - HCBBS Forum
49. Where can I find information on design wind loads, snow loads, and seismic intensity for Chengdu, Sichuan? - HCBBS Forum
50. 【Daily Question】 October 19th What is the gas alarm hotline? ? ? ? ? ? - HCBBS Forum
51. What are the main new technologies in steel section rolling mills? - HCBBS Forum
52. When should air and nitrogen be introduced into the electrolyzer? What is its function? - HCBBS Forum
53. Oil and gas recovery from storage tanks - HCBBS Forum
54. What is the purpose of the pure water that enters the [Dechlorination Vacuum Unit]? - HCBBS Forum
55. Where do you look first when you meet someone of the opposite sex? - HCBBS Forum
56. What about the disposal of spent catalysts from catalytic devices? - HCBBS Forum
57. 【Daily Question】Question for Issue 20151025 - HCBBS Forum
58. Differences between vacuum globe valves and ordinary globe valves - HCBBS Forum
59. The old topic of tail gas treatment for storage tanks - HCBBS Forum
60. Monitoring of heat transfer oil parameters - HCBBS Forum
61. Liquid level of the acidic gas separation tank - HCBBS Forum
62. Material balance - HCBBS Forum
63. 【Daily Question No. 10】October 23, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
64. On the pressure relief issue in the structural design of the buildings for polypropylene polymerization plants - HCBBS Forum
65. Vibration of syngas compressor turbine - HCBBS Forum
66. Do you feel full of energy but not know where to channel it? - HCBBS Forum
67. Why are there so many difficulties and things in life? - HCBBS Forum
68. Pipeline process calculation - HCBBS Forum
69. 【Daily Question】Chemical Engineering Principles 207: Heat Transfer (October 19) - HCBBS Forum
70. When there is smoke condensation, what is the heat transfer temperature difference for preheating water? - HCBBS Forum
71. October 26, Question 73 on Boiler Foundations: (A certain score will be given to the top 40) - HCBBS Forum
72. Let’s work on questions 23-20 from the 2015 First-Class Constructor Examination, specifically multiple-choice questions 17-18 on Engineering Economics - HCBBS Forum
73. Do chemical enterprises that do not deal with **chemicals need to conduct safety assessments? - HCBBS Forum
74. Differences between the failure modes of towers and those of vertical equipment - HCBBS Forum
75. How about chemicals in the water industry? - HCBBS Forum
76. Is it necessary to create a foundation or cushion under buried steel pipes? - HCBBS Forum
77. What is the purpose of adding hydrochloric acid to the brackish water coming out of the electrolyzer? _? - HCBBS Forum
78. What are the requirements for organic matter concentration in wastewater treatment using biochemical methods? - HCBBS Forum
79. Do we have to create a device file for each individual device? Can similar devices such as vacuum buffer tanks be included in one document? - HCBBS Forum
80. New Project Dashboard - HCBBS Forum
81. Can groundwater return to its original clean state in a short period of time after being polluted? - HCBBS Forum
82. 【Cracking Question Bank】The purpose of intermittent blowdown of the steam drum in a cracking furnace is - HCBBS Forum
83. Help: How to detect a leak in a chlorine liquefier (in the case of minor leaks) - HCBBS Forum
84. C5C6 alkane isomerization technology - HCBBS Forum
85. What is the purpose of adding inclined plates to a clarifier? - HCBBS Forum
86. Why do the rotors in remote-transmission rotor flowmeters tend to get stuck? How to improve? - HCBBS Forum
87. How to handle acid leakage? - HCBBS Forum
88. 【Petroleum & Chemicals Section】“Share Any Ideas” Thread - HCBBS Forum
89. Ultrafiltration feedwater overflow issue - HCBBS Forum
90. How to optimize the operation of a shift stripper? Thanks for your replies! - HCBBS Forum
91. Hydrogen boiler operator - HCBBS Forum
92. A rebound in crude oil prices is no easy task; unfortunately, oversupply has become the norm - HCBBS Forum
93. What standards should be followed for the corrosion protection of water tanks? - HCBBS Forum
94. In a delayed coking unit, the coking filtration water contains coke dust – what is its density? - HCBBS Forum
95. Specific composition of 20813NIF material - HCBBS Forum
96. Gansu Honghui Energy (a joint venture between Jiugang and Guanghui) 500,000 tons/year coal tar hydrogenation project - HCBBS Forum
97. How long does it take to produce gas under anaerobic conditions? - HCBBS Forum
98. 【Daily Question】Question for Issue 20151026 - HCBBS Forum
99. Do methyl methacrylate and methyl acrylate have an azeotrope? - HCBBS Forum
100. I would like to ask: if a canopy is to be added to the tank area, does it count as a structure (building)? Zoning and... must be carried out in accordance with the building fire protection design codes. - HCBBS Forum