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  1. 【Daily Question No. 345】December 12, 2019 - HCBBS Forum
  2. What are the requirements regarding pipeline length and elbows during the burst cleaning of gas pipelines? - HCBBS Forum
  3. 【Daily Question No. 105】April 15, 2019 - HCBBS Forum
  4. 【Daily Question No. 126】May 6, 2019 - HCBBS Forum
  5. The dry point problem of alkylated gasoline - HCBBS Forum
  6. 【Daily Question No. 341】December 8, 2019 - HCBBS Forum
  7. Petrochemical Deep Processing Edition 2019.03.29 - HCBBS Forum
  8. 【Daily Question No. 291】October 19, 2019 - HCBBS Forum
  9. The impact of DMDS on the cracking process (without considering the subsequent system) - HCBBS Forum
  10. Petrochemical Deep Processing Version 2018.08.03 - HCBBS Forum
  11. How to make the 2018 World Cup as environmentally friendly as possible: A simple online signature can offset 2.9 tons of carbon dioxide - HCBBS Forum
  12. Price per inch of pipe - HCBBS Forum
  13. 【Daily Question】Petrochemical Deep Processing Version 2018.06.19 - HCBBS Forum
  14. Petrochemical Deep Processing Version 2018.11.11 - HCBBS Forum
  15. What is the maximum negative pressure that a vacuum pump can achieve? - HCBBS Forum
  16. 【Daily Question】Petrochemical Deep Processing Version 2018.06.25 - HCBBS Forum
  17. Help with the saturated vapor pressure of propylene - HCBBS Forum
  18. 【Daily Question No. 336】December 3, 2019 - HCBBS Forum
  19. Petrochemical Deep Processing Version 2018.11.05 - HCBBS Forum
  20. Question of the day? - HCBBS Forum
  21. Alkylation ratio - HCBBS Forum
  22. Desulfurization of liquefied gas in the gas phase - HCBBS Forum
  23. Process issues in the hydrogenation of ethylene cracking gasoline and styrene extraction - HCBBS Forum
  24. 【Daily Question】Petrochemical Deep Processing Version 2018.02.01 - HCBBS Forum
  25. Petrochemical Deep Processing Version 2018.12.13 - HCBBS Forum
  26. Could that expert from the petrochemical pipeline support atlas share it? - HCBBS Forum
  27. Petrochemical Deep Processing Version 2018.10.28 - HCBBS Forum
  28. Petrochemical Deep Processing Version 2019.02.26 - HCBBS Forum
  29. 【Daily Question】Petrochemical Deep Processing Version 2018.06.29 - HCBBS Forum
  30. I would like to ask how to calculate the liquefaction volume of a 100-cubic-meter storage tank, given that there is no volume gauge available – only readings from temperature, pressure, and level gauges. - HCBBS Forum
  31. 【Daily Question No. 268】September 26, 2019 - HCBBS Forum
  32. 【Daily Question】Petrochemical Deep Processing Version 2018.03.20 - HCBBS Forum
  33. Petrochemical Deep Processing Version 2019.03.12 - HCBBS Forum
  34. Several concepts of polypropylene - HCBBS Forum
  35. Selection of AC contactors for high-power electric heaters - HCBBS Forum
  36. 【Daily Question No. 263】September 21, 2019 - HCBBS Forum
  37. 【Daily Question No. 177】June 26, 2019 - HCBBS Forum
  38. Recovery of isobutylene isomers in catalytic cracking liquefied gas - HCBBS Forum
  39. Increased acid consumption in the alkylation unit - HCBBS Forum
  40. 【Daily Question No. 166】June 15, 2019 - HCBBS Forum
  41. 【Daily Question】Petrochemical Deep Processing Version 2018.03.02 - HCBBS Forum
  42. Petrochemical Yuan’s recommendation: New regulations on consumption tax on refined oil products! - HCBBS Forum
  43. Petrochemical Deep Processing Version 2018.12.27 - HCBBS Forum
  44. Looking for butane manufacturers (for industrial use) with a purity of over 96% - HCBBS Forum
  45. Polypropylene production site - HCBBS Forum
  46. 【Daily Question No. 161】June 10, 2019 - HCBBS Forum
  47. Petrochemical Deep Processing Version 2019.04.02 - HCBBS Forum
  48. 【Daily Question】Petrochemical Deep Processing Version 2018.03.23 - HCBBS Forum
  49. Petrochemical Deep Processing Version 2018.10.13 - HCBBS Forum
  50. Discussion on the reasons for frequent deactivation of MTBE ion filter catalysts! - HCBBS Forum
  51. 【Daily Question No. 306】November 3, 2019 - HCBBS Forum
  52. MTBE ion reactor temperature - HCBBS Forum
  53. Petrochemical Deep Processing Version 2018.12.26 - HCBBS Forum
  54. Petrochemical Deep Processing Version 2018.11.14 - HCBBS Forum
  55. 【Daily Question No. 193】July 12, 2019 - HCBBS Forum
  56. LED explosion-proof floodlight/DOD817 - HCBBS Forum
  57. MMA process package - HCBBS Forum
  58. 【Daily Question】Petrochemical Deep Processing Version 2018.06.11 - HCBBS Forum
  59. Petrochemical Deep Processing Version 2018.09.03 - HCBBS Forum
  60. High dry point of alkylated oils: analysis of influencing factors - HCBBS Forum
  61. 【Daily Question】Petrochemical Deep Processing Version 2018.02.21 - HCBBS Forum
  62. 【Daily Question No. 225】August 13, 2019 - HCBBS Forum
  63. 【Daily Question No. 231】August 19, 2019 - HCBBS Forum
  64. Cyclotetrasulfide content after etherification - HCBBS Forum
  65. In-depth article | Sharp price drop in 2018! Crazy PCs: What kind of companies will be able to stand out in 2019? - HCBBS Forum
  66. Petrochemical Deep Processing Version 2019.01.21 - HCBBS Forum
  67. 【Daily Question No. 150】May 30, 2019 - HCBBS Forum
  68. Seeking advice! What solvents can be used to remove the cement clumps from steel? - HCBBS Forum
  69. How to use an oil product copper sheet corrosion tester? - HCBBS Forum
  70. Selection of central drainage scheme for 120,000 cubic meter crude oil storage tank - HCBBS Forum
  71. 【Daily Question No. 260】September 18, 2019 - HCBBS Forum
  72. What is the difference between the oils from these two oil companies? Can they be mixed together? - HCBBS Forum
  73. 【Daily Question No. 304】November 1, 2019 - HCBBS Forum
  74. Petrochemical Deep Processing Version 2019.02.28 - HCBBS Forum
  75. How does a density meter measure the density of liquid petroleum? - HCBBS Forum
  76. Steps for putting the heat exchanger in the ethylene tank farm into operation and the operating principle of the chiller - HCBBS Forum
  77. I’m looking for the electronic version of Wang Hansong’s guidelines on ethylene plant technology and operation. Thank you. - HCBBS Forum
  78. Petrochemical Deep Processing Version 2019.03.04 - HCBBS Forum
  79. Petrochemical Deep Processing Version 2018.09.29 - HCBBS Forum
  80. Petrochemical Deep Processing Version 2019.02.10 - HCBBS Forum
  81. Help: What were the major petrochemical projects in 2018? - HCBBS Forum
  82. Petrochemical Deep Processing Version 2018.10.27 - HCBBS Forum
  83. 【Daily Question】Petrochemical Deep Processing Version 2018.02.02 - HCBBS Forum
  84. Petrochemical Deep Processing Version 2018.11.23 - HCBBS Forum
  85. What regulations require the use of swivel fittings for filling liquefied gases? - HCBBS Forum
  86. 【Daily Question No. 309】November 6, 2019 - HCBBS Forum
  87. Thoughts on the principle of methanol thawing - HCBBS Forum
  88. 【Daily Question No. 265】September 23, 2019 - HCBBS Forum
  89. Petrochemical Deep Processing Version 2019.01.02 - HCBBS Forum
  90. 【Daily Question】Petrochemical Deep Processing Version 2018.04.02 - HCBBS Forum
  91. 【Daily Question No. 148】May 28, 2019 - HCBBS Forum
  92. Isobutylene superimposed hydrogenation technology - HCBBS Forum
  93. 【Daily Question】Petrochemical Deep Processing Version 2018.07.10 - HCBBS Forum
  94. Petrochemical Deep Processing Version 2018.08.20 - HCBBS Forum
  95. 【Daily Question】Petrochemical Deep Processing Version 2018.02.10 - HCBBS Forum
  96. 【Daily Question No. 320】November 17, 2019 - HCBBS Forum
  97. 【Daily Question No. 269】September 27, 2019 - HCBBS Forum
  98. Oil and gas recovery membrane - HCBBS Forum
  99. Petrochemical Deep Processing Version 2019.02.11 - HCBBS Forum
  100. Petrochemical Deep Processing Version 2018.09.12 - HCBBS Forum
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