English — Forum #723 (Page 38/642)

1. The difficulty in calculating external pressure at 500 degrees - HCBBS Forum
2. Please provide a reference: Burner/Fire Box Design Improves Sulfur Recovery - HCBBS Forum
3. sulfur dioxide - HCBBS Forum
4. Atmospheric pressure heating furnace - HCBBS Forum
5. What is the current market situation for dimethyl sulfoxide? - HCBBS Forum
6. Regarding the issue of lubricating bearings with grease - HCBBS Forum
7. Xiaobai asks: What does QAQC management in construction projects include? - HCBBS Forum
8. Never undertake these high-risk tasks without careful consideration - HCBBS Forum
9. Why aren’t high-quality Chinese-made valves sold directly in China? - HCBBS Forum
10. Air separation main heat exchanger - HCBBS Forum
11. What is the difference between SNCR and SCR denitration technologies? - HCBBS Forum
12. Help: I just used a multimeter to measure a thermal resistor, and one of the readings was 0.6 kΩ - HCBBS Forum
13. Test questions - HCBBS Forum
14. Can small-signal cutoff make the valve close more tightly? - HCBBS Forum
15. An unavoidable \"haze\"” - HCBBS Forum
16. Smoke is coming out from the gap between the coke dumping mechanism and the side furnace door during coke pushing – are there any good solutions for this? - HCBBS Forum
17. Come on, let’s discuss the issue of light reflection. - HCBBS Forum
18. Comparison of GB3091-2015 and SY/T5037-2012 standards - HCBBS Forum
19. Looking for literature or materials that can help learn English - HCBBS Forum
20. Mass flow meter - HCBBS Forum
21. Calculation method - HCBBS Forum
22. I majored in Mechanical Design, Manufacturing, and Automation. What certificates can I obtain? - HCBBS Forum
23. Video of pressure testing fluorine-lined check valve H42F46 (III) - HCBBS Forum
24. Lecture on Crane Operation Safety 03 - HCBBS Forum
25. Installation and use of steam traps - HCBBS Forum
26. How to prepare low-concentration sulfuric acid in industry - HCBBS Forum
27. Laughable idiotic couple - HCBBS Forum
28. Factory forklift - HCBBS Forum
29. Looking for information on DOTP and DOP, thanks - HCBBS Forum
30. I would like to ask about the relationship between the color of oil ash and the types of metals it contains - HCBBS Forum
31. Reformate gasoline specifications - HCBBS Forum
32. Seeking help in calculating the air consumption for a compressed air purging system! ! ! Thank you - HCBBS Forum
33. Environmental Protection Daily Question (12.21) - HCBBS Forum
34. Video of pressurization test for fluorine-lined check valve H42F46 (Part 2) - HCBBS Forum
35. Drier - HCBBS Forum
36. Blast furnace temperature control: direct temperature and temperature difference reversal - HCBBS Forum
37. Asphalt ash content - HCBBS Forum
38. Are we not humorous enough or too strict? - HCBBS Forum
39. This shows the importance of emergency plans - HCBBS Forum
40. Daily Safety and Fire Protection Question (12.23) - HCBBS Forum
41. Cracks have appeared on the outside of the bolt holes in the fixed tube sheet – what is the cause? Tube sheet thickness: 120; material: 16MnⅡ; steel gasket: around 360 degrees - HCBBS Forum
42. Corrosion protection for coagulation tanks - HCBBS Forum
43. Difference between fieldbus and Hart communication - HCBBS Forum
44. 【Daily Question】Chemical Engineering Principles 492: Blank Test (December 27) - HCBBS Forum
45. Those familiar with heat exchanger design and production, please come in! ! - HCBBS Forum
46. Do you like to travel around the area on weekends? - HCBBS Forum
47. What aspects need to be considered when replacing furnace tubes in a converter? - HCBBS Forum
48. Which factories in China are currently producing phthalic aniline? - HCBBS Forum
49. Does welding of dissimilar steels affect instruments? - HCBBS Forum
50. What are the standards for the quality of raw water used in manufacturing enterprises? - HCBBS Forum
51. Low-pressure separator - HCBBS Forum
52. Test questions - HCBBS Forum
53. Congratulations to the Rockets on achieving 10 consecutive wins! Watching their games can be intense – those with weak hearts should proceed with caution! - HCBBS Forum
54. Along with many resource recommendations – with these, mothers won’t have to worry about my English anymore - HCBBS Forum
55. What working media is Alloy20 suitable for? - HCBBS Forum
56. Sign-in record post dated December 26, 2016 - HCBBS Forum
57. The Mavericks retained their momentum even after the coach returned, securing a narrow victory over the highly talented Clippers - HCBBS Forum
58. Principles for handling accidents - HCBBS Forum
59. Keep running - HCBBS Forum
60. Points to note in the occupational health monitoring of workers - HCBBS Forum
61. What is a temperature-sensitive element? - HCBBS Forum
62. Daily Safety Production Management Question (12.21) - HCBBS Forum
63. Natural gas boiler - HCBBS Forum
64. 【Daily Question】December 21, 2016 – Participation +2 Wealth； +3 to +10 wealth for correct answers - HCBBS Forum
65. Styrene storage - HCBBS Forum
66. Lecture on Crane Operation Safety 09 - HCBBS Forum
67. 5 deaths in a fireworks explosion in Dezhou, Shandong - HCBBS Forum
68. What are the methods for treating COD in chemical industry wastewater? - HCBBS Forum
69. Daily Security Management Technology Question (12.24 - HCBBS Forum
70. I need help. For a Siemens S400 PLC, the digital input channels are damaged – how can I replace them? How to configure it, what modifications are needed - HCBBS Forum
71. How are the opening and closing times of control valves determined? - HCBBS Forum
72. Among heaven and earth, humans are most precious - HCBBS Forum
73. The vapor phase at the top of the tower is classified as Category A, while the liquid phase at the top is naphtha classified as Category A B. What is the fire hazard classification when operating this tower: Category A or Category A B? - HCBBS Forum
74. Safety and Firefighting Puzzles (12.24) - HCBBS Forum
75. Regarding the alignment of mechanical pumps, I would like to ask the experienced technicians a theoretical question – I’m really too stupid to understand it - HCBBS Forum
76. Daily Water Treatment Question (12.26) - HCBBS Forum
77. We’ve lost our jobs; what can we do? - HCBBS Forum
78. How to detect the gold concentration using UV in a hydrochloric acid system - HCBBS Forum
79. Problem with the tube inserted into the tank - HCBBS Forum
80. 【Daily Question】Chemical Engineering Principles 488: Electrolyzer (December 23) - HCBBS Forum
81. Technology for producing zinc sulfide from hydrogen sulfide - HCBBS Forum
82. It’s tragic! The magpie stole the sausages that my brother had prepared~~~ Down with the magpie! - HCBBS Forum
83. We don’t have holidays around Christmas. Is anyone interested in the Qiyong Christmas Battle? - HCBBS Forum
84. Are you sure you’ll turn the crank? - HCBBS Forum
85. How to deal with high sulfur content in hydrogenated naphtha? - HCBBS Forum
86. Set pressure of safety valve for liquefied gas cylinders - HCBBS Forum
87. Leisure - HCBBS Forum
88. Potassium fluoride corrosion - HCBBS Forum
89. Discussion on the influencing factors of DMTO ethylene and propylene - HCBBS Forum
90. Year-end summary - HCBBS Forum
91. How is the cold filter plugging point of diesel defined? What conditions is it related to? - HCBBS Forum
92. Coke oven masonry standards - HCBBS Forum
93. Seeking professional title certificate-related items - HCBBS Forum
94. Requirements for the fabrication of pipes on pressure vessels - HCBBS Forum
95. Daily Safety and Fire Protection Question (12.19) - HCBBS Forum
96. DN900 Packing Tower - HCBBS Forum
97. Valve actuator - HCBBS Forum
98. When asked, “What is the song that inspired you in life?” - HCBBS Forum
99. Problems encountered during turbine startup? - HCBBS Forum
100. The current status of isooctane abroad - HCBBS Forum