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  1. Can the tank farm and loading/unloading systems share oil and gas recovery facilities? - HCBBS Forum
  2. Are there any requirements for the oxygen content in pipeline natural gas? - HCBBS Forum
  3. 【Daily Question】Theoretical Foundation 2019.7.17 - HCBBS Forum
  4. Daily Question on Automation Theory Knowledge (9.18) - HCBBS Forum
  5. Cubic conversion standard square - HCBBS Forum
  6. 【Daily Question】Theoretical Foundation 2019.5.4 - HCBBS Forum
  7. [Daily Question] Theoretical Basis 2020.03.24 - HCBBS Forum
  8. 【Daily Question】Theoretical Foundation 2019.2.24 - HCBBS Forum
  9. Critical temperature and pressure - HCBBS Forum
  10. How to determine whether a chemical product is a regular commodity or a hazardous material? I believe many new foreign trade professionals who have just entered the chemical industry often experience this... - HCBBS Forum
  11. Double-effect evaporator - HCBBS Forum
  12. 【Daily Question】Theoretical Foundation 2019.7.10 - HCBBS Forum
  13. 【Daily Question】Theoretical Foundation 2019.3.25 - HCBBS Forum
  14. 【Daily Question】Theoretical Foundation 2019.4.18 - HCBBS Forum
  15. Conversion between pound rating and pressure class - HCBBS Forum
  16. Distillation of isobutanol, ethylene glycol, and water - HCBBS Forum
  17. The circulation pump motor stops rotating momentarily during startup - HCBBS Forum
  18. How to calculate the temperature change resulting from the pressure drop due to the Joule-Thomson effect? - HCBBS Forum
  19. Catalysts in the polypropylene production process - HCBBS Forum
  20. At what temperature in degrees Celsius can discharging materials cause burns to humans? - HCBBS Forum
  21. 【Daily Question】Theoretical Foundation 2019.12.10 - HCBBS Forum
  22. 【Daily Question】Theoretical Foundation 2020.04.03 - HCBBS Forum
  23. The level of flash point and ignition point - HCBBS Forum
  24. 【Daily Question】Theoretical Foundation 2019.11.28 - HCBBS Forum
  25. Simple operation steps for the wastewater transfer pump - HCBBS Forum
  26. Are the hydrometer, Baume specific gravity meter, and glass float all related to each other? - HCBBS Forum
  27. 【Daily Question】Theoretical Foundation 2019.6.7 - HCBBS Forum
  28. HCl absorption - HCBBS Forum
  29. How to view French standard grades - HCBBS Forum
  30. 【Daily Question】Theoretical Foundation 2019.7.18 - HCBBS Forum
  31. I need a table showing the saturated vapor pressure of pure toluene as a function of temperature, thank you???? - HCBBS Forum
  32. Does the flow rate increase or decrease after thermodynamic compensation? Thank you! - HCBBS Forum
  33. Regarding the issue of defluoridation - HCBBS Forum
  34. 【Daily Question】Theoretical Foundation 2019.4.9 - HCBBS Forum
  35. 【Daily Question】Theoretical Foundation 2019.12.14 - HCBBS Forum
  36. In clause 7.2.7 of the petrochemical fire protection codes, regarding utility pipelines and pipelines for flammable gases, flammable liquids, and liquefied gases... - HCBBS Forum
  37. How much will the pressure increase in 1 minute for 10,000 cubic meters of sulfur exhaust gas at 15 KPa, with the outlet valve closed? How is this calculated? - HCBBS Forum
  38. 【Daily Question】Theoretical Foundation 2019.7.23 - HCBBS Forum
  39. I’m not quite understanding one formula from the drying chapter in Principles of Chemical Engineering - HCBBS Forum
  40. One Question per Day in Applied Chemistry 8-5~8-6 - HCBBS Forum
  41. Daily Question on Automation Theory Knowledge (8.4) - HCBBS Forum
  42. 【Daily Question】Theoretical Foundation 2019.9.25 - HCBBS Forum
  43. phase transition heat - HCBBS Forum
  44. Why is a concentration of 25%-30% for the ethylene oxide solution the most dangerous condition? - HCBBS Forum
  45. 【Daily Question】Theoretical Foundation 2019.6.5 - HCBBS Forum
  46. How to calculate the saturated vapor pressure of a mixture - HCBBS Forum
  47. I’d like to ask about several substances. - HCBBS Forum
  48. I’m a newcomer and posting for the first time; I hope the experts here can help me out. Thank you! - HCBBS Forum
  49. Is the dynamic viscosity of white oil affected by temperature? - HCBBS Forum
  50. 【Daily Question】Theoretical Foundation 2019.4.29 - HCBBS Forum
  51. 【Daily Question】Theoretical Foundation 2020.03.27 - HCBBS Forum
  52. Calculation of sensible heat and latent heat in flue gas before and after desulfurization - HCBBS Forum
  53. Daily Question on Automation Theory Knowledge (9.21) - HCBBS Forum
  54. Introduction to Typical Chemical Process Flow Series (1) – Ethylene Cracking - HCBBS Forum
  55. Analysis of acidic water in the device - HCBBS Forum
  56. Seeking help with questions on chemical engineering - HCBBS Forum
  57. 【Daily Question】Theoretical Foundation 2020.03.10 - HCBBS Forum
  58. Basic questions on principles of chemical engineering - HCBBS Forum
  59. Fundamentals of Chemical Engineering - HCBBS Forum
  60. 【Daily Question】Theoretical Foundation 2020.02.10 - HCBBS Forum
  61. 【Daily Question】Theoretical Foundation 2019.7.5 - HCBBS Forum
  62. 【Daily Question】Theoretical Foundation 2019.10.28 - HCBBS Forum
  63. Feed for chemical liquid tanks - HCBBS Forum
  64. 【Daily Question】Theoretical Foundation 2019.4.3 - HCBBS Forum
  65. Seeking advice from experts - HCBBS Forum
  66. 【Daily Question】Theoretical Foundation 2019.10.15 - HCBBS Forum
  67. Could you please tell me, the calculation masters, how to calculate the emergency nitrogen tank? - HCBBS Forum
  68. 10.31--Daily Agenda of the Process Office - HCBBS Forum
  69. Use a nitrogen bottle to pressurize a closed container to 1MPa. How many bottles of nitrogen are needed? - HCBBS Forum
  70. Do methane and hydrogen dissolve in benzene and toluene? - HCBBS Forum
  71. What does backmixing in a reactor mean? - HCBBS Forum
  72. 【Daily Question】Theoretical Foundation 2019.1.22 - HCBBS Forum
  73. 【Daily Question】Theoretical Foundation 2019.7.19 - HCBBS Forum
  74. 【Daily Question】Theoretical Foundation 2019.1.27 - HCBBS Forum
  75. Overheated steam heating issue - HCBBS Forum
  76. How to calculate the final temperature when two different liquids are mixed - HCBBS Forum
  77. 【Daily Question】Theoretical Foundation 2019.9.20 - HCBBS Forum
  78. How much COD is equal to 1 kg of glucose? - HCBBS Forum
  79. Rotary kiln and dust collector - HCBBS Forum
  80. [Daily Question] Theoretical Basis 2020.02.01 - HCBBS Forum
  81. Daily Question on Automation Theory Knowledge (8.31) - HCBBS Forum
  82. Daily Question on Automation Theory Knowledge (9.12) - HCBBS Forum
  83. On the relationship between the heat transfer coefficient and fluid velocity - HCBBS Forum
  84. How to calculate the heat transfer in the gas and liquid phases within a container - HCBBS Forum
  85. Selection of torch low-nitrogen burners - HCBBS Forum
  86. Air enthalpy entropy diagram - HCBBS Forum
  87. Is there anyone who has electronic versions of the exam questions for the alkylation unit course or related materials? - HCBBS Forum
  88. One Question per Day in Applied Chemistry 8-24 - HCBBS Forum
  89. Physical and chemical properties of liquid ammonia - HCBBS Forum
  90. E-book – Fundamentals of Coal Hydrogenation Liquefaction Engineering - HCBBS Forum
  91. Saturated pressure and temperature - HCBBS Forum
  92. Coking in biomass boilers - HCBBS Forum
  93. 【Daily Question】Theoretical Foundation 2019.2.13 - HCBBS Forum
  94. Questions about oxygen pressure pipelines? - HCBBS Forum
  95. In hydrogen peroxide adducts, is hydrogen peroxide the solvent or the solute? - HCBBS Forum
  96. I would like to ask the experts how to calculate the inflation time for a fixed-volume container - HCBBS Forum
  97. How is a ruthenium-carbon catalyst regenerated? - HCBBS Forum
  98. 【Daily Question】Theoretical Foundation 2019.2.1 - HCBBS Forum
  99. Dicyanamide reacts with thiol to produce thiourea and the corresponding alkene - HCBBS Forum
  100. [Daily Question] Theoretical Basis 2020.02.09 - HCBBS Forum
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