English — Forum #723 (Page 43/642)

1. Hydrodistillation - HCBBS Forum
2. Can the design temperature of the heat exchanger be set at the maximum operating temperature? - HCBBS Forum
3. 【12-10】Daily Tip for Occupational Health - HCBBS Forum
4. fuming sulfuric acid - HCBBS Forum
5. Does the relevant department have the ultimate authority to define pressure pipelines? Those with very clear concepts, please join the discussion - HCBBS Forum
6. I have a quality parameter for a chemical, but I don’t know what it is; I’m seeking help from everyone - HCBBS Forum
7. Regarding the Rosemount zeroing display issue - HCBBS Forum
8. Fire hazard assessment for various combustible materials - HCBBS Forum
9. How to repair a leaking seal on an API 600 pressure testing weld seat? - HCBBS Forum
10. Year-end summary - HCBBS Forum
11. What is the purification efficiency achievable through activated carbon adsorption? ! - HCBBS Forum
12. Regulating valve piping fluid bag - HCBBS Forum
13. Elevator manufacturers explain how elevators save energy - HCBBS Forum
14. How to become a favorite in the eyes of leaders - HCBBS Forum
15. Safety and Firefighting Puzzles (12.12) - HCBBS Forum
16. How can we prevent tragedies from happening? - HCBBS Forum
17. What is the optimal fineness for coal fed into the furnace? - HCBBS Forum
18. Operating characteristics and measurement errors of target flowmeters - HCBBS Forum
19. Issues with str filter flanges and nominal pressure - HCBBS Forum
20. Questions about valve selection? - HCBBS Forum
21. Haichuan Mobile App - HCBBS Forum
22. 【Daily Question】December 17, 2016: +2 wealth for participation； +3 to +10 wealth for correct answers - HCBBS Forum
23. Regarding the suggestion in the additional options to make replies visible only to the author - HCBBS Forum
24. Daily Safety and Fire Protection Question (12.16) - HCBBS Forum
25. Values of yield strength degradation coefficient for design temperatures exceeding 90 degrees according to GB50341-2014 - HCBBS Forum
26. Seeking advice on electric tracing design for hazardous areas - HCBBS Forum
27. Can all fire pumps in oil depots be diesel-powered? - HCBBS Forum
28. Reasons for the floating of alum flowers - HCBBS Forum
29. What is the typical gas flow rate when using silver nitrate test strips to test purified acetylene gas? What about the maximum wind speed? - HCBBS Forum
30. UEFA Europa League – New signing scores, Pogba assists Ibra; Manchester United advances 2-0 - HCBBS Forum
31. Treatment of high-ammonium chloride wastewater - HCBBS Forum
32. Sign-in record post dated December 11, 2016 - HCBBS Forum
33. Shenhua Ningmei’s coal-to-oil process produces F-T oil and wax - HCBBS Forum
34. Boiler operation accident cases--4 - HCBBS Forum
35. Safety and Fire Safety Puzzles (12.11) - HCBBS Forum
36. Environmental Protection Daily Question (12.14) - HCBBS Forum
37. Issues related to the recycling of used waste welding rods - HCBBS Forum
38. Today, the Rockets easily took care of the Mavericks - HCBBS Forum
39. Selection of motor bearings - HCBBS Forum
40. Certification for the management of hazardous chemicals enterprises - HCBBS Forum
41. Cleaning of heat exchangers - HCBBS Forum
42. Stainless steel high-pressure forged fittings - HCBBS Forum
43. Safety and Firefighting Puzzles (12.17) - HCBBS Forum
44. The difference between regular diesel and hydrogenated diesel - HCBBS Forum
45. 2016-12-15 True or False Questions - HCBBS Forum
46. Those who enjoy it form their own group, distinct from others - HCBBS Forum
47. Book and Art Section Management Divider -- Please upgrade after management - HCBBS Forum
48. How should one evaluate the first-prize-winning essay from the 2016 government agencies essay competition, titled \"Getting rid of the donkey after it has done its work\"? - HCBBS Forum
49. Daily Security Management Technology Question (12.18) - HCBBS Forum
50. C Luo beats Messi and Griezmann to win the Ballon d’Or for the 4th time - HCBBS Forum
51. Why is the ratio of total nitrogen to ammonia nitrogen in the effluent higher than that in the influent? - HCBBS Forum
52. What is the pressure of tap water exactly? ! - HCBBS Forum
53. There is a hydrogen sulfide smell around the wastewater tanks in the gasification wastewater treatment plant – how to deal with it? - HCBBS Forum
54. 【12-14】Daily Tip for Occupational Health - HCBBS Forum
55. Please ask an expert to help upload the User Manual for Instrucalc 8 or 9 - HCBBS Forum
56. Books: Power Equipment and Energy-Saving Technologies for Gas Pipeline Compressor Stations - HCBBS Forum
57. Reasons for high pH value of boiler feedwater and its adjustment - HCBBS Forum
58. Methods for denitration in catalytic devices and control of nitrogen oxides - HCBBS Forum
59. There’s a bug with the three daily rewards - HCBBS Forum
60. Purging plan for ammonia synthesis plant - HCBBS Forum
61. Is coal tar hydrogenation dangerous? - HCBBS Forum
62. 【12-11】Daily Occupational Health Quiz - HCBBS Forum
63. Crude oil supply capacity in Western Siberia, Russia - HCBBS Forum
64. What are the general specifications for boiler water softeners? - HCBBS Forum
65. Siemens positioner fault run2 - HCBBS Forum
66. Risk Prevention and Control Management Measures - HCBBS Forum
67. Is that true? Blood type marked on safety helmets for foreign workers? - HCBBS Forum
68. How are bimetallic composite pipes used in the chemical industry - HCBBS Forum
69. Riddle lanterns - HCBBS Forum
70. Has anyone used LabVIEW for control purposes? - HCBBS Forum
71. Valve housing pressure relief valve - HCBBS Forum
72. Problems with copper impellers in water ring vacuum pumps - HCBBS Forum
73. Sulfuric acid crystals - HCBBS Forum
74. Filter flow rate - HCBBS Forum
75. Regarding the material of the gauge pressure leads and the flanges of the main pipeline: whether electrochemical corrosion can occur, and how to prevent it - HCBBS Forum
76. A pipe rack is installed under the tee - HCBBS Forum
77. Is it necessary to adjust the binary interaction parameters in the software for AspenPlus simulations of the acrylonitrile recovery unit? - HCBBS Forum
78. Champions League draw: Barcelona meets Paris, Arsenal faces Bayern again, Real Madrid gets an easy draw - HCBBS Forum
79. The golden egg is just an ordinary egg; it exploits my participation points every day. . . - HCBBS Forum
80. Liquid ring vacuum pump - HCBBS Forum
81. 【Daily Question】Chemical Engineering Principles 481: Desuperheating Water (December 14) - HCBBS Forum
82. For absorption, is it better to have a high temperature or a low one? ! - HCBBS Forum
83. Calculation of safe venting capacity for storage tanks - HCBBS Forum
84. Feeding and transportation method for fumed silica (nanoscale silica) - HCBBS Forum
85. Daily Safety and Fire Protection Question (12.11) - HCBBS Forum
86. 【Q&A Question 235】December 11, 2016 - HCBBS Forum
87. Why control the roundness of the shell? - HCBBS Forum
88. Changzhou, Jiangsu – recruiting talent for a friend’s company; seeking a manager for the R&D department. - HCBBS Forum
89. Regarding atmospheric pressure columns, why does an increase in the amount of product taken off via side streams lead to a rise in temperature? - HCBBS Forum
90. A Family from Shandong - HCBBS Forum
91. Domestic brands of ultrasonic level gauges? - HCBBS Forum
92. The problem of loose crosshead bushings in the reciprocating compressors produced by Wuxi Compressor Factory - HCBBS Forum
93. Some guidance on the research and development directions for high-end grades of polyolefins (PE and PP) - HCBBS Forum
94. Why is it not advisable to get a haircut in the first month of the year? - HCBBS Forum
95. Do not overlook the power of subtle influences; do not delude yourself about what will happen in the future – focus on the present! - HCBBS Forum
96. On the 14th attempt, 100 gold eggs were smashed; 58 times a prize was won, earning 40~ - HCBBS Forum
97. Steam waste heat power generation - HCBBS Forum
98. The Rockets managed to defeat the Thunder and extend their winning streak; it was a tough journey, but it was really exciting! - HCBBS Forum
99. The reciprocating compressor vibrates heavily, and the pipelines vibrate as well – what’s the reason? - HCBBS Forum
100. Material issue with dechlorination tank - HCBBS Forum