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  1. 【Daily Question】Theoretical Foundation 2020.04.09 - HCBBS Forum
  2. Job responsibility descriptions for various positions in the workshop - HCBBS Forum
  3. Regarding the initial commissioning of the Pdh unit - HCBBS Forum
  4. I have a question regarding blueprint stamping - HCBBS Forum
  5. Adsorption problem - HCBBS Forum
  6. 【Daily Question】Theoretical Foundation 2019.5.21 - HCBBS Forum
  7. Automated Theory Knowledge: One Question per Day (9.20) - HCBBS Forum
  8. 【Daily Question】Theoretical Foundation 2020.04.14 - HCBBS Forum
  9. Issues regarding the welding of the bottom and top plates of the square-shaped container type E - HCBBS Forum
  10. 【Daily Question】Theoretical Foundation 2020.02.12 - HCBBS Forum
  11. [Daily Question] Theoretical Basis 2020.03.01 - HCBBS Forum
  12. 【Daily Question】Theoretical Foundation 2019.6.21 - HCBBS Forum
  13. Daily Question on Automation Theory Knowledge (Question 88) - HCBBS Forum
  14. 【Daily Question】Theoretical Foundation 2020.03.07 - HCBBS Forum
  15. 【Daily Question】Theoretical Foundation 2019.5.18 - HCBBS Forum
  16. 【Daily Question】Theoretical Foundation 2019.6.11 - HCBBS Forum
  17. [Daily Question] Theoretical Basis 2020.01.13 - HCBBS Forum
  18. Where did I go wrong? Seeking expert help to solve thermodynamics calculations—related to adiabatic enthalpy drop, steam consumption rate, and turbine shaft power. - HCBBS Forum
  19. Do you want to be the “Qin Ming of the pump industry”? - HCBBS Forum
  20. Drawing of T,x,x,y-graphs - HCBBS Forum
  21. In which processes is diatomaceous earth used as a filtering aid? - HCBBS Forum
  22. 【Daily Question】Theoretical Foundation 2020.01.14 - HCBBS Forum
  23. How is the specific heat of a mixture calculated at different temperatures? - HCBBS Forum
  24. 【Daily Question】Theoretical Foundation 2019.2.20 - HCBBS Forum
  25. Remove chloride ions - HCBBS Forum
  26. Colleagues, our company plans to install a feed pneumatic conveying system; are there any good processes we can draw on? Thank you - HCBBS Forum
  27. Daily Question on Automation Theory Knowledge (8.28) - HCBBS Forum
  28. 【Daily Question】Theoretical Foundation 2019.11.13 - HCBBS Forum
  29. Heat exchange calculation between saturated steam and nitrogen - HCBBS Forum
  30. 【Daily Question】Theoretical Foundation 2019.10.23 - HCBBS Forum
  31. Reasons for the high ash conversion rate of coal fed into the furnace - HCBBS Forum
  32. What is the molar concentration of a 20% ammonium chloride solution? - HCBBS Forum
  33. 【Daily Question】Theoretical Foundation 2019.4.17 - HCBBS Forum
  34. Regarding the calculation of energy consumption for heat transfer water - HCBBS Forum
  35. Separating SO2 and HCl mixed gases - HCBBS Forum
  36. Daily Question on Automation Theory Knowledge (Question 72) - HCBBS Forum
  37. Application process of steel blackening agents - HCBBS Forum
  38. 【Daily Question】Theoretical Foundation 2019.11.17 - HCBBS Forum
  39. One Question per Day in Applied Chemistry 8-15 - HCBBS Forum
  40. Daily Question on Automation Theory Knowledge (7.23) - HCBBS Forum
  41. [Daily Question] Theoretical Basis 2020.02.28 - HCBBS Forum
  42. 【Daily Question】Theoretical Foundation 2019.10.20 - HCBBS Forum
  43. Gas flow rate unit issue - HCBBS Forum
  44. Reaction Engineering - HCBBS Forum
  45. 【Daily Question】Theoretical Foundation 2019.11.12 - HCBBS Forum
  46. 【Daily Question】Theoretical Foundation 2019.9.1 - HCBBS Forum
  47. For oil-based marker ink, what methods can be used to erase the marks written with it? - HCBBS Forum
  48. How can a vacuum distillation reactor be protected with a nitrogen seal? - HCBBS Forum
  49. How much water is needed to convert low-pressure superheated steam into 0.4 MPa steam using a temperature and pressure reducing device? What is the amount of steam produced in the end, and how is this calculated? - HCBBS Forum
  50. 【Daily Question】Theoretical Foundation 2019.12.28 - HCBBS Forum
  51. 【Daily Question】Theoretical Foundation 2019.5.10 - HCBBS Forum
  52. Daily Question on Automation Theory Knowledge (Question 87) - HCBBS Forum
  53. Olefins in gasoline - HCBBS Forum
  54. 10.26--Daily Agenda of the Process Office - HCBBS Forum
  55. 【Daily Question】Theoretical Foundation 2019.9.8 - HCBBS Forum
  56. Problems with continuous distillation-mass balance–questions from reading - HCBBS Forum
  57. Inflow and outflow concentration calculation problem - HCBBS Forum
  58. 【Daily Question】Theoretical Foundation 2019.8.23 - HCBBS Forum
  59. The piston-type nitrogen compressor does not have sufficient capacity - HCBBS Forum
  60. Daily Question on Automation Theory Knowledge (7.17) - HCBBS Forum
  61. What kind of material is PIPB? - HCBBS Forum
  62. How are low pressure, medium pressure, high pressure, and vacuum defined in pressure vessels? - HCBBS Forum
  63. Daily Question on Automation Theory Knowledge (7.21) - HCBBS Forum
  64. Be sure to prevent sparks from being generated between the fuel transfer pump and the fuel - HCBBS Forum
  65. One Question per Day in Applied Chemistry 8-30 - HCBBS Forum
  66. The issue of the maximum oil layer thickness in three-phase separators - HCBBS Forum
  67. 【Daily Question】Theoretical Foundation 2020.01.15 - HCBBS Forum
  68. Daily Question on Automation Theory Knowledge (8.12) - HCBBS Forum
  69. Temperature rise detection for equipment insulation - HCBBS Forum
  70. 11.3--Daily Agenda of the Process Office - HCBBS Forum
  71. Daily Question on Automation Theory Knowledge (9.8) - HCBBS Forum
  72. Practical applications of Bernoulli’s equation - HCBBS Forum
  73. One Question per Day in Applied Chemistry 8-22 - HCBBS Forum
  74. [Daily Question] Theoretical Basis 2020.03.18 - HCBBS Forum
  75. 【Daily Question】Theoretical Foundation 2019.3.4 - HCBBS Forum
  76. Daily Question on Automation Theory Knowledge (Question 95) - HCBBS Forum
  77. Generate methane - HCBBS Forum
  78. Handbook of Hydraulic Resistance, 4th Edition - HCBBS Forum
  79. Please provide some guidance regarding the storage of sulfuric acid and hydrochloric acid on the factory site - HCBBS Forum
  80. What do the symbols in the diagram represent (German standard)? - HCBBS Forum
  81. 【Daily Question】Theoretical Foundation 2019.5.30 - HCBBS Forum
  82. Process issues of bag filter systems - HCBBS Forum
  83. 【Daily Question】Theoretical Foundation 2020.03.11 - HCBBS Forum
  84. Principle of dust collector operation - HCBBS Forum
  85. Is the water in a crystalline sugar solution endothermic or exothermic? - HCBBS Forum
  86. Daily Question on Automation Theory Knowledge (7.16) - HCBBS Forum
  87. Regarding the scope of liquefied hydrocarbons as specified in GB50160-2018, does dimethyl ether, liquid ammonia, and methanol fall within this category? - HCBBS Forum
  88. Contents of Chemical Engineering Principles - HCBBS Forum
  89. Doubts about the stainless steel element content - HCBBS Forum
  90. What are chemical liquids? - HCBBS Forum
  91. Common installation methods for Tianyu purification dust removal filter cartridges - HCBBS Forum
  92. You can’t guess, right? Asphalt pumps are also needed for road construction - HCBBS Forum
  93. Close - HCBBS Forum
  94. Silica gel is used to adsorb used oil - HCBBS Forum
  95. The chloride content in the effluent from the anion bed is high - HCBBS Forum
  96. Can low-cost chromium be oxidized by persulfuric acid? - HCBBS Forum
  97. “Is there a difference between “ Moisture and “ “Moisture”? - HCBBS Forum
  98. Discussion on how much risk BPCS reduces in a scenario - HCBBS Forum
  99. I’m asking for help from people on this site - HCBBS Forum
  100. Online concentration detection system using differential pressure method - HCBBS Forum
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