English — Forum #723 (Page 562/642)

1. How much flue gas is produced by a 1 t/h coal-fired boiler? ! - HCBBS Forum
2. Are there any real prizes in the golden egg hunts? - HCBBS Forum
3. Interpretations of famous quotes, easy to understand! -Feel free to give it your all - HCBBS Forum
4. 【Daily Question】20150813 - HCBBS Forum
5. Note: Real exam questions from 2011, Knowledge section, afternoon session, question 43 - HCBBS Forum
6. The influence of desiccant operating temperature on drying efficiency - HCBBS Forum
7. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 142 - HCBBS Forum
8. On-site equipment repair - HCBBS Forum
9. What are the effects of reducing the diameter of the pipeline before a water ring vacuum pump? - HCBBS Forum
10. Seeking materials and tutorials for learning Office 2010 software. - HCBBS Forum
11. Working principle of lithium bromide refrigerators and maintenance precautions - HCBBS Forum
12. What is the purpose of placing ceramic balls at the upper and lower parts of the catalyst in a converter? - HCBBS Forum
13. Two offers – which one should I choose? - HCBBS Forum
14. 【Daily Question】Question from Issue 20150810 - HCBBS Forum
15. Why is a ring network used for the control system’s network? - HCBBS Forum
16. Optimal electrolysis temperature for the electrolyzer - HCBBS Forum
17. I’m leaving the chemical industry; I really miss Haichuan - HCBBS Forum
18. Oden** has arrived in the CBA! - HCBBS Forum
19. Circulating water cooler outlet temperature control - HCBBS Forum
20. Operating procedures for gas generators - HCBBS Forum
21. Hazards of excessively high and low oil discharge pressure in diaphragm nitrogen compressors - HCBBS Forum
22. How does the Caesar II software take into account the loads caused by icing? - HCBBS Forum
23. I would like to ask everyone about the names and processing capacities of the petrochemical enterprises and production facilities in Liaoning Province - HCBBS Forum
24. Chemical Engineering in Daily Life – Question 23: Why do the vegetable leaves in green vegetable soup turn yellow sometimes? Standard answer already exists - HCBBS Forum
25. 【Daily Question】August 12, 2015 - HCBBS Forum
26. Turbocharger extraction steam issues - HCBBS Forum
27. What is the impact of re-imposing value-added tax on chemical fertilizers? - HCBBS Forum
28. Compressor sealing issues - HCBBS Forum
29. How should the cracking rate in the hydrorefining of base oils be determined? - HCBBS Forum
30. Servo level gauge - HCBBS Forum
31. How can one determine the power consumption, in percentages, of different devices within a manufacturing process? - HCBBS Forum
32. 【Daily Question】Question from Issue 20150811 - HCBBS Forum
33. Ask a chain question - HCBBS Forum
34. New energy trend product — electric heating stove - HCBBS Forum
35. Looking for a job in pressure vessel design - HCBBS Forum
36. Dear sea friends, does anyone know why a grid baffle is installed in the middle of the desulfurization and decarbonization solvent recovery tank in the double-dehydration unit? ? ? Help needed - HCBBS Forum
37. Description of the meanings of different types of check valves - HCBBS Forum
38. Quench heat exchanger, seeking expert help - HCBBS Forum
39. What is the impact of the installation location of the control butterfly valve on the air volume and air pressure of the fan? - HCBBS Forum
40. Qingdao Refining and Chemicals - HCBBS Forum
41. Miss and remember this place! - HCBBS Forum
42. Question bank for the catalytic cracking skills competition - HCBBS Forum
43. Does anyone know the subsequent processing methods for tar residue? - HCBBS Forum
44. 【Daily Question】Question from Issue 20150818 - HCBBS Forum
45. PFR furnace design - HCBBS Forum
46. Regarding low-methane system pressure control - HCBBS Forum
47. 【Daily Question】Question from Issue 20150813 - HCBBS Forum
48. Specifications for hardness values after post-weld heat treatment - HCBBS Forum
49. How to install a watt meter on a water pump motor - HCBBS Forum
50. Urgently need a chief engineer for water supply and drainage projects - HCBBS Forum
51. Professional analysis of stamping technology in the mechanical processes of tube sheet manufacturing plants - HCBBS Forum
52. Chemical Engineering in Life – Question 20: Would you like your friends or children to be actors or flight attendants? Standard answer already exists - HCBBS Forum
53. Nominal pressure and operating pressure - HCBBS Forum
54. By-product: high-pressure steam - HCBBS Forum
55. What problems can occur when a four-wire transmitter is wired in a two-wire configuration? - HCBBS Forum
56. What to do about welding deformation in manholes - HCBBS Forum
57. I have questions regarding the reflux flow rate in the acidic water stripping tower and the pipe diameters before and after the reflux pump - HCBBS Forum
58. News from August 13: Qinghua and Yitai were both fined - HCBBS Forum
59. I need help understanding what SL and CL150 mean in the markings on the graphite gasket, which read SL DN20 CL150 - HCBBS Forum
60. Make a bubble - HCBBS Forum
61. Reasons for the burnout of brick plate flanges - HCBBS Forum
62. Note: Real exam questions from 2012, Knowledge Section – Morning, Question 26 - HCBBS Forum
63. Recommended good burner manufacturers in China - HCBBS Forum
64. Online inspection equipment - HCBBS Forum
65. Explosion-proof Golan helmet - HCBBS Forum
66. Processing of procedures for oil and gas recovery facilities - HCBBS Forum
67. Differences between ABC types of studs in NB/T47027-2012 - HCBBS Forum
68. Minimum thickness of the cylinder at the joint of long-neck butt weld flanges - HCBBS Forum
69. Sludge in the aeration tank turns black - HCBBS Forum
70. On the determination of the feed pipe location in storage tanks per SH/T3007 2014 - HCBBS Forum
71. Temperature rise issue of the HT-L gasifier before startup? - HCBBS Forum
72. Alkylation (step reactor) problem - HCBBS Forum
73. 【Weekly Topic】Discussion on permanent magnet speed control (third week of August) - HCBBS Forum
74. how to write Aspen tabulated variable - HCBBS Forum
75. How to translate it - HCBBS Forum
76. Phosphorus in wastewater cannot be removed - HCBBS Forum
77. Does 304 sheet metal need to be impact-tested? - HCBBS Forum
78. Interesting chemistry exam questions - 4: Why does adding a base to some salt solutions cause precipitation to occur and then disappear, over and over again? Answer already exists - HCBBS Forum
79. For personal safety, it’s essential to follow the safety regulations – should you tell your boss? - HCBBS Forum
80. Those who wish to return to Chongqing to work, please pay attention - HCBBS Forum
81. Questions regarding safety management: How can safety management be done effectively? There are rewards for participation - HCBBS Forum
82. Selection of kneader (mixer) - HCBBS Forum
83. Which manufacturers produce temperature-controlled adsorption devices for activated carbon fibers? Which ones are the best? - HCBBS Forum
84. How to determine the thickness of the segments of the SW6 calculation tower - HCBBS Forum
85. Are there any other common cooling media for heat exchangers besides water? - HCBBS Forum
86. Note: Real exam questions from 2011, Knowledge section, Morning session, Question 2 - HCBBS Forum
87. How to remove low-boiling-point organic compounds from high-salt wastewater using MVR? - HCBBS Forum
88. Does the electric control valve have a shut-off function? - HCBBS Forum
89. Regarding the P+F analog input safety barrier dialing - HCBBS Forum
90. “What will be the effect of such optimization? - HCBBS Forum
91. Low-cost treatment of well water salts - HCBBS Forum
92. Basic knowledge of mechanical seals - HCBBS Forum
93. Precautions for replacing the packing on 2\" globe valves – Those who have participated in skill competitions, please share your advice - HCBBS Forum
94. Are the reducer pipes on both sides of the control valve concentric or slightly offset? - HCBBS Forum
95. Electric single-girder cranes, wire rope electric hoists – is it necessary to obtain a registration certificate for their use? - HCBBS Forum
96. Weekly topic: 5 Wealth points for correct answers, 2 Wealth points for participation； Question 149 - HCBBS Forum
97. What is the treatment process for tar residue? - HCBBS Forum
98. How should the alkaline slag wastewater resulting from high-temperature wet oxidation treatment be treated? - HCBBS Forum
99. What drawings are required for PLC or DCS installation? - HCBBS Forum
100. How can one learn to use flow meters well? ? ? - HCBBS Forum