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  1. 【Daily Question】Catalytic Coking Reformate Blending Version 20171113 - HCBBS Forum
  2. Where can I find the videos from the Petroleum University? - HCBBS Forum
  3. Is the freezing point of saltwater lower than that of fresh water? - HCBBS Forum
  4. How can an air-cooled fan with a rich air supply be operated for the best results? - HCBBS Forum
  5. 【Daily Question】Catalytic Coking Reformate Blending Version (True/False Questions) 20171025 - HCBBS Forum
  6. steam trap - HCBBS Forum
  7. 【Daily Question】Catalytic Coking Reformate Blending Version (Multiple Choice) 20171029 - HCBBS Forum
  8. 【Daily Question No. 037】 December 21, 2017 - HCBBS Forum
  9. 【Daily Question No. 018】January 18, 2018 - HCBBS Forum
  10. [Q&A] Catalytic Coking Reformate Blending Edition 20170829 - HCBBS Forum
  11. 【Daily Question】Catalytic Coking Reformate Blending Version 20170919 - HCBBS Forum
  12. reactor - HCBBS Forum
  13. Types of synthetic lubricants - HCBBS Forum
  14. 【Daily Question】Catalytic Coking Reformate Blending Version (Multiple Choice) 20171103 - HCBBS Forum
  15. 【Q&A】Catalytic Coking Reformate Blending Version 20171018 - HCBBS Forum
  16. 【Daily Question】Catalytic Coking Reformate Blending Version 20180130 - HCBBS Forum
  17. 【Q&A】Catalytic Coking Reformate Blending Edition 20171118 - HCBBS Forum
  18. Know how to calculate the density of residue using its coefficient of thermal expansion - HCBBS Forum
  19. 【Daily Question】Catalytic Coking Reformate Blending Version 20180226 - HCBBS Forum
  20. 【Q&A】Catalytic Coking Reformate Blending Edition 20171123 - HCBBS Forum
  21. Multiple-choice question on September 26, 2017; replies will earn 0–6 points (no points for replies sent more than 1 day after posting. Thank you for your replies) - HCBBS Forum
  22. Who identifies the hazard sources in gasoline synthesis workshops - HCBBS Forum
  23. Is the catalytic unit in the dense phase or dilute phase of the regenerator when the ship-shaped distributor at the outlet of the inclined tube is operating normally? Expert answer - HCBBS Forum
  24. Question for November 19, 2017; replies can earn 0–6 points (no scoring for replies sent more than 1 day after posting). Thank you for your replies - HCBBS Forum
  25. Multiple-choice question on October 11, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for your replies) - HCBBS Forum
  26. Sealing issues of explosion-proof instruments - HCBBS Forum
  27. 【Daily Question】Catalytic Coking Reformate Blending Version 20171016 - HCBBS Forum
  28. 【Daily Question No. 046】February 15, 2018 - HCBBS Forum
  29. Regenerator dense phase bed density - HCBBS Forum
  30. 【Q&A】Catalytic Coking Reformate Blending Edition 20171106 - HCBBS Forum
  31. Startup procedures for the catalytic reforming four-in-one furnace boiler - HCBBS Forum
  32. 【Daily Question】Catalytic Coking Reformate Blending Version 20171123 - HCBBS Forum
  33. 【Daily Question No. 050】February 19, 2018 - HCBBS Forum
  34. Period for applying lubricant to the motor bearings used in the device - HCBBS Forum
  35. True or False Question – Dry Gas Recovery and Wastewater Stripping Version: One Question per Day 12.7 - HCBBS Forum
  36. Have you come across nitrate-free cetane improvers? - HCBBS Forum
  37. Key issues of high-temperature corrosion inhibitors - HCBBS Forum
  38. 【Daily Question No. 043】February 12, 2018 - HCBBS Forum
  39. 【Daily Question】Catalytic Coking Reformate Blending Version 20170829 - HCBBS Forum
  40. Problems with the unit purge pump - HCBBS Forum
  41. Methods for determining coking in the furnace tubes of delayed coking heaters - HCBBS Forum
  42. 【Daily Question】Catalytic Coking Reformate Blending Version 20180209 - HCBBS Forum
  43. Control of feed oil preheating temperature in catalytic unit - HCBBS Forum
  44. 【Daily Question】Catalytic Coking Reformate Blending Version 20171220 - HCBBS Forum
  45. True or False Question – Dry Gas Recovery and Wastewater Stripping Version: One Question per Day 12.8 - HCBBS Forum
  46. What is the difference between the flutter point and the surge point of a compressor? - HCBBS Forum
  47. 【Daily Question】Catalytic Coking Reformate Blending Version (Multiple Choice) 20171030 - HCBBS Forum
  48. Explosion prevention issues in atmospheric and vacuum heating furnaces - HCBBS Forum
  49. 【Daily Question】Catalytic Coking Reformate Blending Version 20171115 - HCBBS Forum
  50. Is the fouling of the smoke extractor wheel related to the amount of steam supplied? - HCBBS Forum
  51. Turbine air-cooling offset flow - HCBBS Forum
  52. What is the mesh size of the screen used during loading? There is currently a problem of loss at our unit - HCBBS Forum
  53. Regarding the preliminary design phase, what are the documents required for submitting the fire safety review for buildings (structures)? Is there a list? - HCBBS Forum
  54. Startup procedure after the catalytic cracking rich gas compressor trips? - HCBBS Forum
  55. 【Q&A】Catalytic Coking Reformate Blending Edition 20170825 - HCBBS Forum
  56. What issues need to be considered for ammonia-based desulfurization of catalytic cracking flue gas? - HCBBS Forum
  57. 【Daily Question】Catalytic Coking Reformate Blending Version 20171111 - HCBBS Forum
  58. Flexible coking and delayed coking - HCBBS Forum
  59. [Q&A] Catalytic Coking Reformate Blending Edition 20170823 (Supplement) - HCBBS Forum
  60. Types of workshop exams - HCBBS Forum
  61. Discussion on the reuse of lubricants from used generating units - HCBBS Forum
  62. How is the number of surveillance cameras in a device determined (in industrial video surveillance systems)? - HCBBS Forum
  63. [Q&A] Catalytic Coking Reformate Blending Version 20171111 - HCBBS Forum
  64. 【Daily Question】Catalytic Coking Reformate Blending Version 20171015 - HCBBS Forum
  65. True or False questions on December 19, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for replying) - HCBBS Forum
  66. 【Daily Question No. 045】February 14, 2018 - HCBBS Forum
  67. 【Daily Question】Catalytic Coking Reformate Blending Version 20170816 - HCBBS Forum
  68. LPG with liquid carried along - HCBBS Forum
  69. True or False questions on September 18, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for replying) - HCBBS Forum
  70. Use of small nitrogen generators - HCBBS Forum
  71. 【Daily Question】Catalytic Coking Reformate Blending Version 20170821 - HCBBS Forum
  72. Types of catalyst poisoning in catalytic devices - HCBBS Forum
  73. CAD PFD differentiation - HCBBS Forum
  74. What is the pH range of the liquid captured by the classic wet mist eliminator in catalytic flue gas desulfurization? - HCBBS Forum
  75. 【Daily Question】Catalytic Coking Reformate Blending Version 20170906 - HCBBS Forum
  76. True or False questions on December 23, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for replying) - HCBBS Forum
  77. 【Daily Question No. 029】January 29, 2018 - HCBBS Forum
  78. **Qualification requirements for managers and operators of facilities related to the “two key areas and one major hazard” as set by the General Administration of Work Safety - HCBBS Forum
  79. [Q&A] Catalytic Coking Reformate Blending Edition 20170821 - HCBBS Forum
  80. How to reduce the fragmentation rate caused by coke falling into the coke bin - HCBBS Forum
  81. 【Daily Question No. 032】February 1, 2018 - HCBBS Forum
  82. Clean gasoline - HCBBS Forum
  83. Comparative Analysis of Vehicle Gasoline Standards in the US, Europe, and Japan - HCBBS Forum
  84. Re-catalyst oil ratio issue - HCBBS Forum
  85. On methods to reduce energy consumption in FCC units and the utilization of low-temperature heat, as well as the issue of eliminating steam heating in absorption stabilization systems - HCBBS Forum
  86. Practice questions on August 19, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for your replies) - HCBBS Forum
  87. 【Daily Question No. 026】January 26, 2018 - HCBBS Forum
  88. 【Q&A】Catalytic Coking Reformate Blending Edition 20171119 - HCBBS Forum
  89. What are the hazards when the turbine speed exceeds its rated value? - HCBBS Forum
  90. 【Daily Question No. 005】January 5, 2018 - HCBBS Forum
  91. Retaining valve - HCBBS Forum
  92. Pressure difference issue between the nitrogen-sealed tank and the sealed hopper during restructuring - HCBBS Forum
  93. 【Daily Question No. 047】February 16, 2018 - HCBBS Forum
  94. 【Daily Question】Catalytic Coking Reformate Blending Version 20180212 - HCBBS Forum
  95. What is the impact of adjusting the amount of gas injected during the reaction and the amount of dilution steam on the product distribution? - HCBBS Forum
  96. 【Daily Question】Catalytic Coking Reformate Blending Version 20170912 - HCBBS Forum
  97. Foundation laid for China National Petroleum’s first ionic liquid alkylation unit - HCBBS Forum
  98. Practice questions on August 23, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting). Thank you for your replies - HCBBS Forum
  99. 【Daily Question No. 028】January 28, 2018 - HCBBS Forum
  100. Find the chemical composition of diesel flocculants - HCBBS Forum
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