English — Forum #723 (Page 221/642)

1. Gas turbine air compressor - HCBBS Forum
2. 【Weekly Topic】【Civil Engineering Version 20160630】 - HCBBS Forum
3. 【Daily Question】Chemical Engineering Principles 395: Mixed-bed Regeneration (June 26) - HCBBS Forum
4. What material should be used for hydrogen cyanide storage tanks? Hydrogen cyanide can cause intergranular corrosion in stainless steel... - HCBBS Forum
5. Regulations on the Accuracy Management of Laboratory Test Data - HCBBS Forum
6. 【Daily Question】Advanced Processing 20160621 Multiple Choice Question: Steam is used as a heating medium mainly due to its ( ) - HCBBS Forum
7. 【Daily Question No. 157】June 28, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
8. What category does sodium errorate fall into in terms of fire hazard: Class A, B, or C? ? ? Is glacial acetic acid classified as Category A ethyl? ? - HCBBS Forum
9. When you gaze into the void, the void is also gazing at you - HCBBS Forum
10. 【Daily Question】Chemical Engineering Principles 394: Condensate Reclamation Equipment (June 25) - HCBBS Forum
11. Optimization suggestions for technical freelancers - HCBBS Forum
12. Are there any specifications that determine the spacing between buildings and structures (tanks) in a conventional sewage treatment plant? - HCBBS Forum
13. I need a structural diagram of a cage filter. Thank you - HCBBS Forum
14. The ammonia nitrogen level keeps rising and doesn’t go down - HCBBS Forum
15. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 317 [ - HCBBS Forum
16. Questions about self-priming pump brands - HCBBS Forum
17. [Q&A Question 064] 2016.06.23 - HCBBS Forum
18. To ensure safety, production must be monitored in order to achieve it - HCBBS Forum
19. After the feed gas for low-temperature methanol washing is cut off, cold air leaks downward - HCBBS Forum
20. Learn Ethylene Together】Five questions per day to easily learn about ethylene in 45 days - HCBBS Forum
21. I’m asking experts: which textbook or standard document does this table come from? - HCBBS Forum
22. 【Daily Judgment NO.42】June 21, 2016 - HCBBS Forum
23. Surge curve of a constant-speed centrifugal fan - HCBBS Forum
24. [Acrostic Poem] Improving the Safety Competence of All Citizens - HCBBS Forum
25. 【Weekly Topic】【Electrical Edition 20160629】 - HCBBS Forum
26. What is the minimum distance between the center of the spiral tube bundle in a heat transfer oil furnace and the center of the flame? - HCBBS Forum
27. Help: Professional title thesis - HCBBS Forum
28. 【Weekly Topic】【 HVAC Version 20160627】 - HCBBS Forum
29. 【Purification Daily Question】2016.6.23 - HCBBS Forum
30. Sign-in record post dated June 21, 2016 - HCBBS Forum
31. What is the difference between hydrocracking and hydrorefining? (Let’s discuss this together) - HCBBS Forum
32. What is the typical purity of hydrocyanic acid in industrial use? - HCBBS Forum
33. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 22 - HCBBS Forum
34. Utilization of residual heat in flash drying exhaust gas - HCBBS Forum
35. Sulfur Daily Question, June 22------3 points for participation, 10 points for a correct answer - HCBBS Forum
36. Everyone, come and take a look: some suggestions regarding the selection process for the “Gourmets of Haichuan on the Tip of the Tongue” event - HCBBS Forum
37. The complacency among employees is terrifying; how to deal with it? - HCBBS Forum
38. Is this document from the Ministry of Chemical Industry invalid? Is there any basis for cancellation? - HCBBS Forum
39. To what extent will the performance of a centrifugal pump degrade after long-term use? - HCBBS Forum
40. 【Weekly Topic】【Storage & Transportation Version 20160701】 - HCBBS Forum
41. Some issues with explosion-proof elevators - HCBBS Forum
42. Date of the 2016 Registered Chemical Engineer Examination - HCBBS Forum
43. How can one learn *instrument selection without a mentor’s guidance? - HCBBS Forum
44. Pipeline labeling issue - HCBBS Forum
45. 【Weekly Topic】【 Quality Version 20160624】 - HCBBS Forum
46. Occupational Health Daily Question 6.28: Participate for a prize; 3 correct answers and another prize will be given - HCBBS Forum
47. Environmental Protection Daily Tip – June 23: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
48. Do ideal gases only have isothermal reversible processes, with no isothermal irreversible processes? - HCBBS Forum
49. The valves in the catalytic desulfurization line often experience internal leakage - HCBBS Forum
50. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene – 52 sessions - HCBBS Forum
51. Regarding the issue of sulfur dust entrained in sulfur recovery exhaust gases - HCBBS Forum
52. How to handle oil-contaminated acidic water in the overhead gas oil separator of a catalytic fractionation tower - HCBBS Forum
53. I just can’t get the cajax plugin installed no matter what; could someone help me download the cover page and table of contents from Instrument Magazine? Thank you! - HCBBS Forum
54. Calculation of the thickness of the porous filter plate in mixed-bed systems - HCBBS Forum
55. 【Euro Cup Big Bet】15 Hungary vs Portugal - HCBBS Forum
56. Method for adjusting temperature fluctuations in gasoline hydrogenation reaction - HCBBS Forum
57. C4/C5 fractionation tower - HCBBS Forum
58. The water ring vacuum pump is too noisy – how to solve it - HCBBS Forum
59. Why should a thermocouple be in counterflow contact with the fluid during installation? - HCBBS Forum
60. Regarding the management of mobile phones - HCBBS Forum
61. Seeking advice on the issue of inaccurate readings from a temperature gun - HCBBS Forum
62. Filtering performance of stainless steel filters - HCBBS Forum
63. Everyone, let’s figure out how to deal with this kind of wastewater – it’s urgent! ! ! - HCBBS Forum
64. 【Idiom Chain】Let’s go! 6.27 - HCBBS Forum
65. Manufacturer recommendations for breather valves and pressure relief manholes - HCBBS Forum
66. I would like advice on how to treat wastewater containing dilute hydrochloric acid - HCBBS Forum
67. What will be the outcome of using permanent magnet speed control in entrepreneurship? Please have experts provide their predictions - HCBBS Forum
68. I majored in applied chemistry, which is a science field; can I apply for a degree in chemical engineering? - HCBBS Forum
69. Seeking advice on the details of removing cadmium and nickel using zinc powder in zinc sulfate solution - HCBBS Forum
70. Basic Examination for Registered Environmental Engineers - HCBBS Forum
71. What are the useful properties of sodium acid pyrophosphate? - HCBBS Forum
72. Hydrogenation Technology 3 (Gas-phase Fluidized Bed Hydrogenation) - HCBBS Forum
73. 【Daily Topic】【Production Version 20160629】 - HCBBS Forum
74. Will Messi win his first **team trophy - HCBBS Forum
75. On the design of high-temperature fixed tube sheet heat exchangers - HCBBS Forum
76. Seek modified asphalt process - HCBBS Forum
77. Valve selection - HCBBS Forum
78. For large storage tanks (100 cubic meters), is a vertical flat-bottomed head or a double-headed design more suitable? - HCBBS Forum
79. Working at a petrochemical design institute, involved in equipment design; those looking for part-time work can contact Q309944495 - HCBBS Forum
80. The hardness issue of pipes - HCBBS Forum
81. What does 46.6 seconds of commutation specifically mean? - HCBBS Forum
82. What is the purpose of the explosion-proof steam used in medium-speed coal mills? Could someone explain this? - HCBBS Forum
83. First start of work! Continuous reforming unit in operation - HCBBS Forum
84. Does anyone know what the current price of liquid **ammonium is? What is the concentration? - HCBBS Forum
85. What is the role of valves in boilers? - HCBBS Forum
86. Square sulfur melting tank - HCBBS Forum
87. Who has the pump material code specifications? - HCBBS Forum
88. Heating furnace, htri - HCBBS Forum
89. 【Micro-fiction】“Such Education”” - HCBBS Forum
90. What are the fire separation requirements between civil buildings and roads? - HCBBS Forum
91. 【Weekly Topic】【 Quality Version 20160621】 - HCBBS Forum
92. Distance between LNG pump pool and 100-cubic-meter horizontal tank - HCBBS Forum
93. Regarding the selection and reuse of flowmeters, what determines whether the flowmeters in existing plants can be reused for renovation and expansion projects? - HCBBS Forum
94. Design and technical standards for distillation column reflux tanks - HCBBS Forum
95. Urgently seeking a book on re-registration for registered supervisors (Ministry of Construction) - HCBBS Forum
96. Problems with the outlet pressure of the fan - HCBBS Forum
97. 【Daily Topic】【Production Version 20160627】 - HCBBS Forum
98. 【Original】Poetry and the Desert - HCBBS Forum
99. Specifications for the acceptance testing of atmospheric pressure cylinders - HCBBS Forum
100. Can branch offices in other locations take the professional registration exams locally? - HCBBS Forum