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  1. 【Daily Question】Theoretical Foundation 2020.02.17 - HCBBS Forum
  2. 【Daily Question】Theoretical Foundation 2020.04.12 - HCBBS Forum
  3. 【Daily Question】Theoretical Foundation 2019.1.20 - HCBBS Forum
  4. Liquid level-to-volume chart for horizontal storage tanks - HCBBS Forum
  5. On the heat of reaction between nitrogen dioxide and water - HCBBS Forum
  6. Daily Question on Automation Theory Knowledge (Question 91) - HCBBS Forum
  7. Introduction to hydrorefining and hydrocracking - HCBBS Forum
  8. Inorganic salt eutectic point - HCBBS Forum
  9. [Daily Question] Theoretical Basis 2020.04.16 - HCBBS Forum
  10. Daily Question on Automation Theory Knowledge (Question 70) - HCBBS Forum
  11. Interdisciplinary Field —— Fine Metallurgy - HCBBS Forum
  12. Issues related to wound gaskets - HCBBS Forum
  13. The liquid phase in a 100-cubic-meter liquefied gas tank has been emptied, and the gauge pressure of the gas phase inside the tank is zero. How can the amount of liquefied gas be calculated? - HCBBS Forum
  14. What devices are those in the lower right corner of the image? - HCBBS Forum
  15. Principle of gas-phase precooling of ethylene - HCBBS Forum
  16. 【Daily Question】Theoretical Foundation 2019.10.10 - HCBBS Forum
  17. Daily Question on Automation Theory Knowledge (8.29) - HCBBS Forum
  18. Please teach me how to control the heating rate of multiple equipment through steam stop valve - HCBBS Forum
  19. PID drawing, I don’t know what the English letters on the heat exchanger mean. - HCBBS Forum
  20. Regarding the prohibition of using steam for purging non-thermodynamic pipelines - HCBBS Forum
  21. 【Daily Question】Theoretical Foundation 2019.12.17 - HCBBS Forum
  22. Album - HCBBS Forum
  23. 【Daily Question】Theoretical Foundation 2020.03.23 - HCBBS Forum
  24. Automated Theory Knowledge: One Question per Day (8.3) - HCBBS Forum
  25. Spacing between cable trays and pipes: which standard? - HCBBS Forum
  26. What is the best solution for forward osmosis brine extraction? - HCBBS Forum
  27. 【Daily Question】Theoretical Foundation 2020.01.02 - HCBBS Forum
  28. Reaction heat calculation problem - HCBBS Forum
  29. 【Daily Question】Theoretical Foundation 2019.11.23 - HCBBS Forum
  30. Questions about liquid nitrogen - HCBBS Forum
  31. Ammonia sulfate phase diagram requested - HCBBS Forum
  32. I would like to ask about the ratio of first-class products to qualified products. - HCBBS Forum
  33. 【Daily Question】Theoretical Foundation 2020.03.05 - HCBBS Forum
  34. On the feasibility of introducing steam from below the jacket - HCBBS Forum
  35. 【Daily Question】Theoretical Foundation 2020.02.02 - HCBBS Forum
  36. Hydrogen chloride distillation - HCBBS Forum
  37. The issues of sensible heat of dry flue gas, sensible heat of water vapor, and latent heat of water vapor - HCBBS Forum
  38. Coal consumption calculation - HCBBS Forum
  39. 【Daily Question】Theoretical Foundation 2019.5.20 - HCBBS Forum
  40. Does dimethyl ether fall under the category of liquefied hydrocarbons as defined in GB50160-2018 \"Code for Fire Protection Design of Petrochemical Enterprises\"? ? - HCBBS Forum
  41. Ask a question about the packing ratio - HCBBS Forum
  42. 【Daily Question】Theoretical Foundation 2019.8.2 - HCBBS Forum
  43. 【Daily Question】Theoretical Foundation 2019.8.10 - HCBBS Forum
  44. Relationship between inlet flow rate and molecular weight of centrifugal compressors - HCBBS Forum
  45. PRO Software Science* - HCBBS Forum
  46. Issues regarding the standards for nitrogen purging of the device - HCBBS Forum
  47. 【Daily Question】Theoretical Foundation 2020.01.24 - HCBBS Forum
  48. Basic Knowledge of Coal Chemical Industry - HCBBS Forum
  49. Daily Question on Automation Theory Knowledge (Question 81) - HCBBS Forum
  50. 【Daily Question】Theoretical Foundation 2019.8.4 - HCBBS Forum
  51. What are your insights regarding the application of the second law of chemical thermodynamics in energy conservation processes in the chemical industry? I would appreciate your guidance - HCBBS Forum
  52. 【Daily Question】Theoretical Foundation 2019.4.1 - HCBBS Forum
  53. 【Daily Question】Theoretical Foundation 2019.9.22 - HCBBS Forum
  54. Based on the explosion limit, how is the limit concentration calculated? - HCBBS Forum
  55. Please ask for a few pages of information - HCBBS Forum
  56. Animation Demonstration of Chemical Engineering Principles (Full Version) - HCBBS Forum
  57. Information related to VCM compressors - HCBBS Forum
  58. Knowing the pressure, temperature, flow rate of the medium and the diameter of the pipe, how to calculate the flow velocity - HCBBS Forum
  59. Does amine solution absorb SO2? - HCBBS Forum
  60. 【Daily Question】Theoretical Foundation 2019.7.31 - HCBBS Forum
  61. The relationship between olefins and octane number in gasoline hydrogenation - HCBBS Forum
  62. Derivation of formula units - HCBBS Forum
  63. Hydrochloric acid ratio - HCBBS Forum
  64. 【Daily Question】Theoretical Foundation 2020.02.05 - HCBBS Forum
  65. Daily Question on Automation Theory Knowledge (9.15) - HCBBS Forum
  66. Chemical Knowledge Share – Hydrogen azoic acid - HCBBS Forum
  67. 【Daily Question】Theoretical Foundation 2019.11.6 - HCBBS Forum
  68. 【Daily Question】Theoretical Foundation 2019.8.18 - HCBBS Forum
  69. Can rust burn in pure oxygen? - HCBBS Forum
  70. How to find applied papers on chemical engineering mathematical models? - HCBBS Forum
  71. 【Daily Question】Theoretical Foundation 2019.4.2 - HCBBS Forum
  72. The issue of standard solution dilution - HCBBS Forum
  73. May I ask how to calculate the volume of a cone after it is cut by a plane? - HCBBS Forum
  74. 【Daily Question】Theoretical Foundation 2019.4.20 - HCBBS Forum
  75. Practical Guide to Chemical Process Design---How is a P&ID Created? (3) - HCBBS Forum
  76. 【Daily Question】Theoretical Foundation 2019.10.31 - HCBBS Forum
  77. 【Daily Question】Theoretical Foundation 2019.9.13 - HCBBS Forum
  78. Is there any solvent that can dissolve in concentrated sulfuric acid but not in dilute sulfuric acid? - HCBBS Forum
  79. Daily Question on Automation Theory Knowledge (8.10) - HCBBS Forum
  80. Are the formulas for calculating pipe resistance different for gas pipes and liquid pipes? - HCBBS Forum
  81. 【Daily Question】Theoretical Foundation 2019.7.12 - HCBBS Forum
  82. Number of reaction units - HCBBS Forum
  83. 【Daily Question】Theoretical Foundation 2020.02.18 - HCBBS Forum
  84. The pinned summary of basic chemical engineering knowledge will not open - HCBBS Forum
  85. What is: Carbon emission trading rights - HCBBS Forum
  86. 【Daily Question】Theoretical Foundation 2019.11.26 - HCBBS Forum
  87. 【Daily Question】Theoretical Foundation 2019.3.1 - HCBBS Forum
  88. As shown in the figure, the red line - HCBBS Forum
  89. Rated power and shaft power of the pump - HCBBS Forum
  90. 【Daily Question】Theoretical Foundation 2019.4.10 - HCBBS Forum
  91. 【Daily Question】Theoretical Foundation 2019.7.7 - HCBBS Forum
  92. Material reaction - HCBBS Forum
  93. 【Daily Question】Theoretical Foundation 2019.9.30 - HCBBS Forum
  94. 【Daily Question】Theoretical Foundation 2019.6.6 - HCBBS Forum
  95. reduction leaching - HCBBS Forum
  96. 【Daily Question】Theoretical Foundation 2019.8.20 - HCBBS Forum
  97. 【Daily Question】Theoretical Foundation 2019.5.8 - HCBBS Forum
  98. 【Daily Question】Theoretical Foundation 2020.03.08 - HCBBS Forum
  99. 【Daily Question】Theoretical Foundation 2019.9.19 - HCBBS Forum
  100. 【Daily Question】Theoretical Foundation 2019.6.15 - HCBBS Forum
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