English — Forum #723 (Page 415/642)

1. Waste sulfuric acid production process - HCBBS Forum
2. 【Daily Question】Chemical Engineering Principles 277: Counterflow Regenerated Fixed Bed (December 28) - HCBBS Forum
3. ta luft certification - HCBBS Forum
4. Classification of computer folders for piping engineers - HCBBS Forum
5. Technological innovation helps the chlor-alkali industry overcome the \"cold winter\" and welcome the arrival of spring - HCBBS Forum
6. Cooling crystallizer, help needed - HCBBS Forum
7. 【Daily Question】December 20, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
8. Sign-in record post for December 25, 2015 - HCBBS Forum
9. How can the H2S concentration in the gas phase above the sulfur pool be estimated? - HCBBS Forum
10. The SimSun font competition is coming to an end; please help vote for the best works! - HCBBS Forum
11. dcs, sis system - HCBBS Forum
12. 【Weekly Topic】12.21~12.27 Heat pipe corrosion in air preheaters - HCBBS Forum
13. Urea manufacturers in our country with a production capacity of 1 million tons or more - HCBBS Forum
14. Is it necessary to install a heating coil in the acidic water tank for winter heating? - HCBBS Forum
15. 【Daily Question】12.25: The throttle cone is made of 0Cr19Ni9 cast material (+3 wealth for replies; +3 to +8 wealth for correct answers) - HCBBS Forum
16. 2015 China’s Coal-to-Oil Industry—Five Key “Keywords”" - HCBBS Forum
17. 【Daily Question】12.23 Term Explanation: Residue - HCBBS Forum
18. Why is there so much water in the spent catalyst taken out from catalyst V1108? Note: Unpurified air has been isolated - HCBBS Forum
19. Discussion on the issues related to the control valve handwheel and bypass setup - HCBBS Forum
20. I don’t understand football; I really can’t make sense of this - HCBBS Forum
21. Regarding motor shaft play - HCBBS Forum
22. Keep records for safe production - HCBBS Forum
23. What is the purpose of monitoring the pressure drop between tower plates? - HCBBS Forum
24. Methanol Weekly Topic What is the optimal reaction pressure for methanol production? Why? 2015.12.21--12.27 - HCBBS Forum
25. To capture the heat from high-temperature flue gas at 700 degrees, is a heat pipe a better option or a regular coil? - HCBBS Forum
26. Environmental Protection Daily Question 12.21: Participate for prizes; 3 answers correct and you’ll get another 3 prizes - HCBBS Forum
27. The NH3 level in the acidic gas separation tank is high - HCBBS Forum
28. Civil Engineering Structure Discussion Area ---- [Daily Question] Question from the 20151217 issue - HCBBS Forum
29. What is the unit of NR? - HCBBS Forum
30. 【Daily Question】 December 22nd: According to **’s health standards, what is the maximum allowable concentration of hydrogen sulfide in the air? ? ? - HCBBS Forum
31. What should be the flow rate of ethylene gas in the pipeline - HCBBS Forum
32. Within the first 120 hours of operation of the GE gasifier, the dome temperature and the temperature difference between the inlet and outlet of the burner cooling water were on the high side - HCBBS Forum
33. 【Basic Knowledge 19】What are hydrogen-resistant materials? (Premiated quiz) - HCBBS Forum
34. Seeking help with methane purification - HCBBS Forum
35. Sundyne LMC-343 - HCBBS Forum
36. On initial defects of externally pressurized shells - HCBBS Forum
37. Residue hydrogenation - HCBBS Forum
38. Two industry standards for coal chemical industry have passed review - HCBBS Forum
39. Output issue of the deaerator - HCBBS Forum
40. What is the difference between long-cinder coal and short-cinder coal used as gasification feedstock? - HCBBS Forum
41. I would like to ask: are there electric control valves used to regulate steam flow, that can keep the valve closed when the power is turned off? - HCBBS Forum
42. I would like to ask everyone how to determine the appropriate number of plates in a constant-pressure tower? - HCBBS Forum
43. 【Daily Question】12.20 Factors affecting metal corrosion (3 wealth points for replies + additional 3–8 wealth points for correct answers) - HCBBS Forum
44. 【Daily Question No. 50】December 22, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
45. How to reduce dust in the granulation tower? - HCBBS Forum
46. The ‘Haichuan Irrigation Co., Ltd. Shop’ has frost on it; the fog has finally dissipated - HCBBS Forum
47. In the same process, the gas exiting tower 105 can be mixed with the flue gas that has not entered tower 105, and then the mixture is fed into the low-temperature heat recovery tower - HCBBS Forum
48. What is the difference between wet and dry combustible gas tanks? - HCBBS Forum
49. Consult manufacturers of forced-circulation axial flow pumps - HCBBS Forum
50. How to connect the heat tracing tube of φ18Q345E to a φ12 copper tube? - HCBBS Forum
51. Help, an error occurred during the Caesar II 2013 BATCH RUN - HCBBS Forum
52. Faced with family violence, as law enforcers, do they enforce the law strictly? - HCBBS Forum
53. 【Active Participation for Joint Improvement 12.25-12.31】Participation: +2 to Wealth, +3~10 to Correct Wealth - HCBBS Forum
54. Looking for jobs at companies in Huizhou or the surrounding areas of Sichuan (natural gas pipeline transportation, coal-based LNG) - HCBBS Forum
55. Carbon monoxide shift - HCBBS Forum
56. How to calculate the length of anti-corrosion pipes - HCBBS Forum
57. How can county-level monitoring develop under vertical management? - HCBBS Forum
58. In the short term, world development still relies on fossil fuels - HCBBS Forum
59. Heat exchange area calculation - HCBBS Forum
60. What are the side reactions in urea production? - HCBBS Forum
61. Selection of calcium chloride solution material - HCBBS Forum
62. Anti-corrosion for underground pipes - HCBBS Forum
63. How can the XDC800 DCS system from Shanghai Xinhua be made into an OPC server? - HCBBS Forum
64. Seeking help to resolve the issue of installing corrosion test coupons in circulating cooling water? - HCBBS Forum
65. Why does the turbine shaft seal not emit vapor when operating normally? - HCBBS Forum
66. KCL granulation technology and patents - HCBBS Forum
67. Turbine alignment - HCBBS Forum
68. What are the uses of hydrogenated tail oil? - HCBBS Forum
69. 【Daily Question】12.12 (Supplementary question for Double 12): Choose the option with the incorrect description (2 wealth points for a reply + additional 3–8 wealth points if the answer is correct) - HCBBS Forum
70. Comparison of advantages and disadvantages of sludge dewatering equipment and selection tips - HCBBS Forum
71. Business assistance request - HCBBS Forum
72. Technical discussion posts on gasket design, selection, installation, failure analysis, etc - HCBBS Forum
73. Valve body welding - HCBBS Forum
74. Seeking help from experts on temperature and pressure compensation issues - HCBBS Forum
75. 【Daily Question】12.15 Multiple-choice question: Internationally, the output of （ ） is commonly used to measure the development level of an **petrochemical industry**... - HCBBS Forum
76. How to handle non-methane total hydrocarbons in the flue gas from reformation and regeneration? - HCBBS Forum
77. Is it appropriate to switch jobs to an engineering company now? - HCBBS Forum
78. Hybrid Technology’s Barracuda solutions for the cement industry - HCBBS Forum
79. December 9th: True/False question No. 115 on boiler foundations: (A certain score will be given to the top 50 participants) - HCBBS Forum
80. Everyone, work on these questions; there will be a reward for those who get them right. 111 to 2015 – Multiple-choice questions on \"Project Management\" for the first-level constructor exam, question 97 - HCBBS Forum
81. What is the relationship between the experimental yield and the actual yield? - HCBBS Forum
82. Desulfurization and emission removal issues - HCBBS Forum
83. Seeking help regarding drying equipment or processes - HCBBS Forum
84. Help: Sulfur content in naphthalene? - HCBBS Forum
85. I have a question regarding jackets - HCBBS Forum
86. How to excel in the field of catalytic reactions - HCBBS Forum
87. Primary door + secondary door - HCBBS Forum
88. John Crane sealing models - HCBBS Forum
89. 【Weekly Topic】Why are hydraulic drives chosen for the coal lock and ash lock valves in pressurized coal gasification? Is it possible to choose a pneumatic valve? - HCBBS Forum
90. 【Weekly Topic】Friends on the HaiChuan Forum, please discuss, in light of your own work positions, whether you work on shift. - HCBBS Forum
91. HP Z420 graphics workstation: What causes a USB keyboard to lose power? The USB mouse is fine. - HCBBS Forum
92. Dear sea friend, what does HiMD mean? - HCBBS Forum
93. Thermostat diagram - HCBBS Forum
94. Crude oil prices plummet – is biodiesel in grave danger? - HCBBS Forum
95. It’s my birthday today; sharing it with friends at the sea - HCBBS Forum
96. On the issue of the critical moisture content for drying - HCBBS Forum
97. How can one appear to be an experienced diner in the small restaurants of Sichuan? - HCBBS Forum
98. I’m seeking help from all the experts here - HCBBS Forum
99. What to do about corrosion in liquid chlorine vaporizers? - HCBBS Forum
100. Reasons for the explosion of oil particles in air compressor oil - HCBBS Forum