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  1. Daily Question on Automation Theory Knowledge (8.26) - HCBBS Forum
  2. Discussion on the issue of capacity replacement for the facility - HCBBS Forum
  3. Is there a significant difference in the solubility of propylene in benzene and ethylbenzene? - HCBBS Forum
  4. 【Daily Question】Theoretical Foundation 2020.04.10 - HCBBS Forum
  5. Regarding the Reynolds number in the reactor - HCBBS Forum
  6. Range of toxic gases - HCBBS Forum
  7. 【Daily Question】Theoretical Foundation 2019.3.29 - HCBBS Forum
  8. Why is the saturated vapor pressure of water not correct when I use Antoine’s equation? - HCBBS Forum
  9. Physical property parameters - HCBBS Forum
  10. Can PPR pipes be used for transporting 10% sodium hypochlorite solutions? - HCBBS Forum
  11. 【Daily Question】Theoretical Foundation 2020.03.06 - HCBBS Forum
  12. Seeking help with flash tank design - HCBBS Forum
  13. Must the steam at the outlet of an MVR steam compressor be superheated? - HCBBS Forum
  14. Distillation principle questions - HCBBS Forum
  15. 【Daily Question】Theoretical Foundation 2019.12.21 - HCBBS Forum
  16. Extraction tank design - HCBBS Forum
  17. The power consumption of 20 to 70 kWh per unit of water evaporated by an MVR refers to the case where feed water is at boiling point, right? - HCBBS Forum
  18. Knowledge related to chemical cleaning - HCBBS Forum
  19. 10.25--Daily Agenda of the Process Office - HCBBS Forum
  20. Pilot plant specifications - HCBBS Forum
  21. What is the flash point of a 32% sodium hydrosulfide aqueous solution? - HCBBS Forum
  22. How to calculate the enthalpy values of yellow phosphorus, red phosphorus, white phosphorus, and black phosphorus at different temperatures? - HCBBS Forum
  23. 【Daily Question】Theoretical Foundation 2019.6.4 - HCBBS Forum
  24. The issue of slight negative pressure in the tank - HCBBS Forum
  25. One question per day on automation theory knowledge (9.2) - HCBBS Forum
  26. What are the several pressure levels on the conversion chart between pressure dew point and atmospheric dew point? - HCBBS Forum
  27. Asking questions about siphon method - HCBBS Forum
  28. When condensing flue gas containing unknown components, how is the heat flow rate of the flue gas determined? - HCBBS Forum
  29. 【Daily Question】Theoretical Foundation 2019.12.12 - HCBBS Forum
  30. 【Daily Question】Theoretical Foundation 2019.5.14 - HCBBS Forum
  31. Where can I find the vapor-liquid equilibrium data for dilute ammonia solutions at temperatures below zero degrees? - HCBBS Forum
  32. 【Daily Question】Theoretical Foundation 2019.3.15 - HCBBS Forum
  33. 【Daily Question】Theoretical Foundation 2019.1.18 - HCBBS Forum
  34. Could the experts please help check whether this gas-liquid separator is feasible? - HCBBS Forum
  35. 【Daily Question】Theoretical Foundation 2019.5.28 - HCBBS Forum
  36. 10.23--Daily Agenda of the Process Office - HCBBS Forum
  37. 【Daily Question】Theoretical Foundation 2020.04.23 - HCBBS Forum
  38. In a circulating pipeline, the water pump keeps running; how can the temperature increase of the water in the system be estimated? - HCBBS Forum
  39. Dry gas seal of centrifugal compressors - HCBBS Forum
  40. I’m stuck while writing my equipment paper; please give me some advice - HCBBS Forum
  41. 【Daily Question】Theoretical Foundation 2019.4.22 - HCBBS Forum
  42. 【Daily Question】Theoretical Foundation 2019.4.16 - HCBBS Forum
  43. Calculation of square tubes - HCBBS Forum
  44. Analysis of oxygen pipeline explosion - HCBBS Forum
  45. Questions regarding the installation of pipe-type orifice plate flow meters - HCBBS Forum
  46. Seeking help to calculate pipe flow velocity - HCBBS Forum
  47. One Question per Day in Applied Chemistry 8-16 - HCBBS Forum
  48. High-pressure vessel - HCBBS Forum
  49. 【Daily Question】Theoretical Foundation 2020.02.21 - HCBBS Forum
  50. 【Daily Question】Theoretical Foundation 2019.3.13 - HCBBS Forum
  51. [Daily Question] Theoretical Basis 2020.03.14 - HCBBS Forum
  52. 【Daily Question】Theoretical Foundation 2019.5.3 - HCBBS Forum
  53. pH calculation - HCBBS Forum
  54. 10.24--Daily Agenda of the Process Office - HCBBS Forum
  55. Daily Question on Automation Theory Knowledge (Question 73) - HCBBS Forum
  56. Gauge pressure, absolute pressure - HCBBS Forum
  57. Why is oxygen added to the high-pressure urea system, and what is the appropriate amount? - HCBBS Forum
  58. Question regarding the liquefaction temperature of ethylene at 4.3 MPa - HCBBS Forum
  59. 【Daily Question】Theoretical Foundation 2019.9.17 - HCBBS Forum
  60. Does lead react with sulfuric acid? - HCBBS Forum
  61. Where can I find ammonia-water phase equilibrium diagrams? - HCBBS Forum
  62. Daily Question on Automation Theory Knowledge (7.28) - HCBBS Forum
  63. 【Daily Question】Theoretical Foundation 2019.6.3 - HCBBS Forum
  64. 【Daily Question】Theoretical Foundation 2019.11.9 - HCBBS Forum
  65. unifac - HCBBS Forum
  66. Molecular sieve, principle, function - HCBBS Forum
  67. Daily Question on Automation Theory Knowledge (8.16) - HCBBS Forum
  68. 【Daily Question】Theoretical Foundation 2019.7.16 - HCBBS Forum
  69. Daily Question on Automation Theory Knowledge (8.30) - HCBBS Forum
  70. Production of vinyl acetate by the ethylene method - HCBBS Forum
  71. 【Daily Question】Theoretical Foundation 2019.4.13 - HCBBS Forum
  72. 【Daily Question】Theoretical Foundation 2019.4.14 - HCBBS Forum
  73. 【Daily Question】Theoretical Foundation 2019.1.19 - HCBBS Forum
  74. Water vapor turns into oxygen and hydrogen - HCBBS Forum
  75. Questions about making soap - HCBBS Forum
  76. Our country’s market for industrial automation control equipment holds a significant share in the global market - HCBBS Forum
  77. Liquid chlorine vaporization process - HCBBS Forum
  78. 【Daily Question】Theoretical Foundation 2019.3.20 - HCBBS Forum
  79. 【Daily Question】Theoretical Foundation 2019.4.21 - HCBBS Forum
  80. 【Daily Question】Theoretical Foundation 2019.3.21 - HCBBS Forum
  81. Corrosion of chloride ions under strongly alkaline conditions - HCBBS Forum
  82. One Question per Day in Applied Chemistry (9-9) - HCBBS Forum
  83. What are the main current applications of dynamic vapor adsorption technology? - HCBBS Forum
  84. One Question per Day in Applied Chemistry 8-25 - HCBBS Forum
  85. Reasons for the differences in metal temperature - HCBBS Forum
  86. Daily Question on Automation Theory Knowledge (8.23) - HCBBS Forum
  87. Reading of the glass plate level gauge in the external heat exchanger drum - HCBBS Forum
  88. Solvent extraction slope method - HCBBS Forum
  89. Phosphorus chemical process technology - HCBBS Forum
  90. 【Daily Question】Theoretical Foundation 2019.2.26 - HCBBS Forum
  91. Why can’t the critical flow velocity be used to determine the flow pattern of a fluid? - HCBBS Forum
  92. Can drinking water also cause cancer? Are there harmful substances in water? - HCBBS Forum
  93. pH of dissolution of calcium carbonate and sodium hydroxide - HCBBS Forum
  94. How can I reduce the amount of arsenic-containing matte? Experts, please give me some suggestions - HCBBS Forum
  95. I’d like to ask everyone: does o-xylene dissolve hexafluoropropane and hydrogen fluoride? - HCBBS Forum
  96. 【Daily Question】Theoretical Foundation 2020.01.06 - HCBBS Forum
  97. 【Daily Question】Theoretical Foundation 2019.10.14 - HCBBS Forum
  98. 【Daily Question】Theoretical Foundation 2019.4.26 - HCBBS Forum
  99. 【Daily Question】Theoretical Foundation 2019.7.25 - HCBBS Forum
  100. Could you help calculate how much gas there is? (Greatly appreciated) - HCBBS Forum
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