English — Forum #723 (Page 308/642)

1. Equipment interlock and process interlock - HCBBS Forum
2. Environmental Protection Daily Post 4.01: Reward of 5 for participation, plus another 5 for answering 5 questions correctly - HCBBS Forum
3. Selection of container material - HCBBS Forum
4. LNG submersible pump - HCBBS Forum
5. About Aspen - HCBBS Forum
6. Sign-in record post from April 6, 2016 - HCBBS Forum
7. The problem of water separation in compressors - HCBBS Forum
8. What are the differences in the chemical composition of stainless steel 321 and 321H? - HCBBS Forum
9. Torch control system - HCBBS Forum
10. Reviewing the Old to Discover the New (Series 3) - HCBBS Forum
11. The Yokogawa vortex flow meter Hart475 will not connect - HCBBS Forum
12. How to adjust when there is no level in the primary oil collection tank of the vacuum distillation tower - HCBBS Forum
13. Why doesn’t it work after marking as read?~~ - HCBBS Forum
14. Problem of oil mist being thrown along the axis on both sides of the centrifugal pump bearing housing - HCBBS Forum
15. 【Daily Topic】【Quality Version 20160408】 - HCBBS Forum
16. Where do people go to have their respirators and gas detectors tested? - HCBBS Forum
17. 【Daily Topic】【Civil Engineering Version 20160403】 - HCBBS Forum
18. Calculation of the bubble point of mixtures - HCBBS Forum
19. Qualification for the installation of pressure vessels - HCBBS Forum
20. Siemens 400 hardware password - HCBBS Forum
21. Environmental Protection Daily Tip – March 29: Reward for participation, plus 5 more points for answering 5 questions correctly - HCBBS Forum
22. Analysis of the Current Status of Oil and Gas Pipeline Construction - HCBBS Forum
23. Does anyone know how anti-1,2-dichloroethylene is formed? - HCBBS Forum
24. Why does the copper content in electroplating wastewater not meet the standards after treatment? - HCBBS Forum
25. Zero offset issue in differential pressure transmitters - HCBBS Forum
26. What is the actual difference between bolts 5782 and 5783 when in use? - HCBBS Forum
27. 【Daily Question】 Hydrogenation Sector 2016-04-01 - HCBBS Forum
28. ““Wiker promotion ad” — Don’t hesitate for just two bucks, Ka Mang Beibi! - HCBBS Forum
29. Completion Notice for Pressure Pipelines - HCBBS Forum
30. Pipe jacking occurs in the body of the evaporation pond dam - HCBBS Forum
31. What are the faults of slag breakers? - HCBBS Forum
32. Compensation issue for level gauges in dual-chamber balance vessels of boiler drum systems - HCBBS Forum
33. Methanol section: One question per day. What impurities are present in crude methanol? 2016.04.11 - HCBBS Forum
34. 【Daily Question】Deep Processing 20160404: Under normal circumstances, a safety helmet can withstand the impact of a （ ) kg hammer falling from a height of 1 meter... - HCBBS Forum
35. Regarding the DTB mold - HCBBS Forum
36. Regarding the gate valves on the flue gas pipeline - HCBBS Forum
37. What is the current market situation for urea **solution? - HCBBS Forum
38. Positive pressure ventilation for motors - HCBBS Forum
39. How are you all, friends? - HCBBS Forum
40. Mortgage limits for housing provident fund loans are tight in many places - HCBBS Forum
41. Should a sight glass be installed on the pipeline for draining light crude oil on the side wall of the acidic water tank? - HCBBS Forum
42. Selection of flow meters for sulfonating agents, chlorinating agents, and nitrating agents in chemical processing processes (sulfonation, chlorination, nitration) - HCBBS Forum
43. On the selection of process analysis instruments - HCBBS Forum
44. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 485 - HCBBS Forum
45. Evaluation of key parameters for distillation column trays - HCBBS Forum
46. Regarding the secondary drying of sulfur production furnaces in sulfur recovery - HCBBS Forum
47. I have a question regarding normally open and normally closed contacts - HCBBS Forum
48. 【Daily Question】Chemical Engineering Principles 356: Industrial Water Tanks and Domestic Fire Fighting Pools (April 7) - HCBBS Forum
49. Which manufacturers, both domestic and international, produce the best steam extraction check valves for turbines? - HCBBS Forum
50. 【Daily Question】Advanced Processing 20160410 Multiple-choice Question: The heat of a chemical reaction is related not only to the chemical reaction itself, but also to ( ) - HCBBS Forum
51. What are some good suggestions for using peristaltic pumps in the acidification of minerals with sulfuric acid? - HCBBS Forum
52. The comprehensive utilization project for desulfurization waste liquid at Shandong Jinneng was successfully commissioned in one go! - HCBBS Forum
53. Which is the best portable COD detector? - HCBBS Forum
54. The professional English exam is coming up soon, and I’m feeling nervous - HCBBS Forum
55. Why does sulfur turn black? - HCBBS Forum
56. Seeking AWS A2.4 welding, brazing, and non-destructive testing guidelines - HCBBS Forum
57. Reviewing the Old to Discover the New (Series 5) - HCBBS Forum
58. 【Daily Question】20160410 (Fill-in-the-blank) Professional terms related to axial flow fans - HCBBS Forum
59. What is the service life of the pipeline behind the high flash point valve and the anti-erosion baffle? - HCBBS Forum
60. As HaiChuan grows, I have been promoted to deputy supervisor; please offer your blessings and support! - HCBBS Forum
61. Modification of the water seal at the end of the basement for drainage - HCBBS Forum
62. Technical measures for growing organic mushrooms using swamp sludge - HCBBS Forum
63. How can the sludge settling ratio be increased quickly? - HCBBS Forum
64. I’m working on a project right now; what should I focus on for my current tasks? Please let me know - HCBBS Forum
65. Tees – Why aren’t there tees larger than 48 inches? - HCBBS Forum
66. I don’t have enough read permissions; could some expert help me out! ! ! - HCBBS Forum
67. Seeking advice: For pressure equipment, what thickness threshold requires the use of composite stainless steel plates? - HCBBS Forum
68. 【Chemical Operations】Seek operating procedures for a 20 M3 reactor used in small-scale polypropylene production - HCBBS Forum
69. ASME Volume 8, Part 1, 2015 English Edition - HCBBS Forum
70. 【Weekly Topic】【Engineering Version 20160406】 - HCBBS Forum
71. How can one conduct effective communication with equipment manufacturers regarding equipment selection? - HCBBS Forum
72. Lifting operations - HCBBS Forum
73. Hydrorefining salt formation treatment - HCBBS Forum
74. Methanol Weekly Topic: What should be the appropriate control level for the methanol circulation ratio? 2016.04.03--04.10 - HCBBS Forum
75. Reasons why the temperature behind the combustion furnace for sulfur recovery acidic gases should not be too high - HCBBS Forum
76. I would like to ask about the quantities of fastener materials and auxiliary materials required for pipeline insulation installation - HCBBS Forum
77. Ultraviolet sterilizer - HCBBS Forum
78. How ammonia plants determine the amount of water vapor required in the gas generation furnace based on the hydrogen content in semi-water gas - HCBBS Forum
79. Dilute acid tank - HCBBS Forum
80. Shijiazhuang has stopped approving new coal-based projects - HCBBS Forum
81. 475 downloads - HCBBS Forum
82. muse3.3 - HCBBS Forum
83. 【Daily Topic】【Production Version 20160407】 - HCBBS Forum
84. May I ask, what is the typical clearance volume of a reciprocating compressor? Which standard specifies this clearly? - HCBBS Forum
85. Issues regarding the design and operation of SCR for flue gas desulfurization in catalytic cracking - HCBBS Forum
86. What causes sulfur to have a bluish color? - HCBBS Forum
87. Questions about low-temperature impact energy - HCBBS Forum
88. Post on the technical team’s salary payment thread from March 2016 - HCBBS Forum
89. Acceptance of the environmental impact assessment application for 2 million tons of coal-to-oil production by Inner Mongolia Yitai Coal-to-Oil Co., Ltd - HCBBS Forum
90. What can 1 cubic meter of biogas be used for? - HCBBS Forum
91. Occupational Health Daily Question 4.11: Participate for a prize; 5 questions, and an additional prize for answering 5 correctly - HCBBS Forum
92. The search function has been upgraded; welcome to use it for testing - HCBBS Forum
93. Methanol section: One question per day. What are the process conditions for methanol synthesis? 2016.03.28 - HCBBS Forum
94. Weekly topic: Survey on the use of polymer dispersants by manufacturers; reward of 15–30 wealth points - HCBBS Forum
95. Excuse me, what does a roller valve look like? - HCBBS Forum
96. What is the principle behind the pressure stabilizing tank next to the steam turbine? - HCBBS Forum
97. Thymol is produced by the reaction of propylene and m-cresol - HCBBS Forum
98. Find the structural dimensions of the floating head cover - HCBBS Forum
99. How to treat wastewater generated in the production of inorganic silica gel - HCBBS Forum
100. 【Weekly Topic】【Engineering Version 20160331】 - HCBBS Forum