English — Forum #723 (Page 321/642)

1. What is the lock-up pressure of a pump? What is this pressure mainly used for? - HCBBS Forum
2. Please pay attention to our upcoming methanol synthesis technology with a synthesis temperature below 200 degrees Celsius. - HCBBS Forum
3. Some papers on container and boiler manufacturing that I painstakingly gathered on my own - HCBBS Forum
4. Do the asphalt tanks in a modified asphalt storage facility need to be equipped with fire dikes? - HCBBS Forum
5. Thermal conductivity, surface heat transfer coefficient, and heat loss of CAESARⅡ material - HCBBS Forum
6. Analysis of oil content in air entering the tower - HCBBS Forum
7. I’m encountering problems when using SW-6 to calculate conical heads; I need expert help! - HCBBS Forum
8. Sulfur Daily Question, March 20------8 wealth for correct answers, 3 wealth for wrong answers - HCBBS Forum
9. Liquid ammonia: General price increase in the domestic liquid ammonia market - HCBBS Forum
10. 【Daily Question】Hydrogenation Sector 2016 03 29 - HCBBS Forum
11. March 26, 2016: Participated in +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
12. Changed jobs - HCBBS Forum
13. How to select and calculate current and voltage for various welding methods - HCBBS Forum
14. Problems with distillation - HCBBS Forum
15. Is this calculation correct? - HCBBS Forum
16. Issues regarding the material selection for some medium pipelines - HCBBS Forum
17. 【Episode 2 of the 2016 Family Debate Series】Should you choose a name for your child yourself or have someone else do it? - HCBBS Forum
18. The electromagnetic flowmeter does not display the flow rate - HCBBS Forum
19. The issue of the installation direction of ball valves - HCBBS Forum
20. Renting chemical plant workshops for processing cooperation - HCBBS Forum
21. Carbon molecular sieve manufacturers - HCBBS Forum
22. 【Basic Knowledge of Occupational Health】Aerosols - HCBBS Forum
23. 【Joint Study*】【Electrical Version 20160323】 - HCBBS Forum
24. 【Daily Topic】【Civil Engineering Version 20160329】 - HCBBS Forum
25. Should a section of heat tracing be added to the pipeline behind the safety valve of the liquefied gas desulfurization tower to prevent low temperatures from occurring during discharge? - HCBBS Forum
26. Occupational Health Daily Question 3.27: Participate for a prize; 5 questions, and an additional prize for answering 5 correctly - HCBBS Forum
27. Regarding the authority to distribute rewards in the form of wealth - HCBBS Forum
28. JK Simmet Grinding Process Simulation Software – Get the demo version - HCBBS Forum
29. Clarifying questions on the on-site installation of Toledo weighing modules - HCBBS Forum
30. Boiler water circulation - HCBBS Forum
31. Can the chemical industry become popular again? - HCBBS Forum
32. Can increasing the height of the distillation tower reduce impurities in this product? - HCBBS Forum
33. 【Weekly Topic】【Storage & Transportation Version 20160328】 - HCBBS Forum
34. pH of carbonate buffer solutions at different concentrations - HCBBS Forum
35. High-voltage cable terminal manufacturing - HCBBS Forum
36. When purging the reactor differential pressure gauge leads with hydrogen, it is required that the flow rate of hydrogen used for purging the leads in the negative pressure chamber be greater than that in the positive pressure chamber - HCBBS Forum
37. 【Daily Question】【Electrical Version 20160322】 - HCBBS Forum
38. Reed switch level transmitter - HCBBS Forum
39. Sulfur Daily Question, March 19------Win 10 Wealth points by answering correctly - HCBBS Forum
40. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 466 - HCBBS Forum
41. Regarding material selection - HCBBS Forum
42. Calculation methods in GB/T 16157-1996 \"Methods for the determination of particulate matter in exhaust gases from stationary pollution sources and sampling methods for gaseous pollutants\" - HCBBS Forum
43. Can non-explosion-proof electrical devices placed in explosion-proof enclosures be used in explosion-proof areas? - HCBBS Forum
44. 【Daily Question】Petroleum Pretreatment Section 2016 03 25 - HCBBS Forum
45. Tips for membrane-based biogas purification technology - HCBBS Forum
46. What are the current uses of n-butane, and is there isomerization? isobutane-producing - HCBBS Forum
47. Can a regular motor operate at variable frequency for a long time? - HCBBS Forum
48. Difference between duct-type and pipe-type sensors - HCBBS Forum
49. On the removal of copper ions from chemical materials - HCBBS Forum
50. One Question per Day on Synthetic Ammonia (Series 50) - HCBBS Forum
51. 【Daily Question】Chemical Engineering Principles 345: Resin Leakage (March 22) - HCBBS Forum
52. Method for calculating the shaft power of a steam turbine - HCBBS Forum
53. It is said that the admission tickets for the Professional English Test can be printed today - HCBBS Forum
54. EIA approval process for Sinopec Total’s 800,000-ton coal-to-olefins project underway - HCBBS Forum
55. At your service, to **win** in a declining market - HCBBS Forum
56. What does the hot box depth of a reactor refer to? - HCBBS Forum
57. Tower installation issues - HCBBS Forum
58. How can beginners learn good English spoken pronunciation? The key to correcting spoken pronunciation - HCBBS Forum
59. 【Daily Question】Chemical Engineering Principles 344: Metal Indicators (March 21) - HCBBS Forum
60. Will the nozzles of the storage tank that are closer to the ground be aligned with the center of it or with its bottom? - HCBBS Forum
61. What are the advantages of a two-stage AO over a single AO? If the residence time is sufficient, isn’t a single AO enough? - HCBBS Forum
62. What are the fire safety distance requirements between underground ethanol storage tanks and other buildings? - HCBBS Forum
63. Can low speed operation of an inverter-driven fan cause the motor to burn out? - HCBBS Forum
64. 【Basic Knowledge Activity】Steam Pressure – a Key “Basic Knowledge” Topic in the Petrochemical Sector - HCBBS Forum
65. Dry gas seal structure - HCBBS Forum
66. 【Daily Question】March 21, 2016 – Participate to earn +2 wealth； +3~8 points for correct answers - HCBBS Forum
67. Isolation valve - HCBBS Forum
68. One question per day on occupational health – March 20: Participate for a prize; 5 correct answers and you’ll get another prize - HCBBS Forum
69. Help, how to remove carbon dioxide from hydrogen sulfide? ? - HCBBS Forum
70. Storage tank dehydration port valve - HCBBS Forum
71. 【Joint Study*】【Electrical Version 20160322】 - HCBBS Forum
72. Differences between welding electrodes E4303 and E5015 - HCBBS Forum
73. FF bus instrument enthusiasts, come and exchange ideas! - HCBBS Forum
74. Solutions for when a decarbonized PSA vacuum pump cannot be started after it stops operating unexpectedly - HCBBS Forum
75. Methanol Weekly Topic Where is the best location to place the methanol fresh gas inlet? 2016.03.28---2016.04.04 - HCBBS Forum
76. Please ask the experts for advice! - HCBBS Forum
77. Are there any users of FLUENT? - HCBBS Forum
78. Problems during the commissioning of the methanol-water separation tower at Dalian University of Technology - HCBBS Forum
79. Basic plan for diesel blending - HCBBS Forum
80. Request for the accident emergency response plan for Luneng DCS LN2000 - HCBBS Forum
81. How has coal pyrolysis technology developed recently? - HCBBS Forum
82. In methanol synthesis, how can hydrogen recovery devices improve the efficiency of hydrogen recovery? We use membrane separation devices for this purpose - HCBBS Forum
83. Specific oxygen consumption, specific coal consumption - HCBBS Forum
84. Sulfur Daily Question, March 27------5 wealth for participation, 10 wealth for correct answers - HCBBS Forum
85. Looking for manufacturers that supply small-bore pneumatic gas quick shut-off valves - HCBBS Forum
86. Newbie reporting in – sharing some electrical specifications or materials - HCBBS Forum
87. ASPEN imported the shell-and-tube heat exchanger from HTRI - HCBBS Forum
88. safety distance - HCBBS Forum
89. Consultations regarding professional title evaluations - HCBBS Forum
90. Seeking advice on pH issues in circulating water in sulfuric acid production - HCBBS Forum
91. Controversy and criticism abound; every step forward in coal chemical industry demonstration is difficult - HCBBS Forum
92. 【Daily Question No. 138】March 21, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
93. After passing the basic CPA exam, are there any other options besides taking the professional CPA exam? - HCBBS Forum
94. PL FLANGE(RF#150), with metal wound gasket - HCBBS Forum
95. 【Daily Question No. 143】March 28, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
96. A talented girl from Peking University working as a delivery worker is also an example of the changing values among college students” - HCBBS Forum
97. SIS system configuration issue - HCBBS Forum
98. What are the conditions for using jackets or coiled tubes for heating mechanical pumps? - HCBBS Forum
99. 【Daily Question】 Hydrogenation Sector 2016-03-27 Multiple Choice - HCBBS Forum
100. Regarding the environmental aspects of the demonstration project on the integrated utilization of high-sulfur coal for oil, chemical, thermal, and electrical purposes by Shanxi Lu’an Mining (Group) Co., Ltd.... - HCBBS Forum