English — Forum #336 (Page 49/51)

1. The high olefins unit has failed! - HCBBS Forum
2. 【Daily Question】Chemical Engineering Principles 281: Clarifier Turning (January 1) - HCBBS Forum
3. 【Daily Question】Chemical Engineering Principles 552: Increasing the α value outside the tube (April 14) - HCBBS Forum
4. Eckert correlation diagram - HCBBS Forum
5. Sodium hypochlorite, phosphine oxide, available chlorine - HCBBS Forum
6. 【Daily Question】Chemical Engineering Principles 584: Turbulent Flow (July 13) - HCBBS Forum
7. Filter design documentation - HCBBS Forum
8. 【Daily Question】Chemical Engineering Principles 547: Gas Absorption (April 7) - HCBBS Forum
9. 【Daily Question】Chemical Engineering Principles 573: Diagrammatic Representation of Theoretical Plates (June 21) - HCBBS Forum
10. Problems with the reaction between concentrated sulfuric acid and sodium nitrite - HCBBS Forum
11. [Chemical Software Area] Moderator management allowance and technical discussant bonus in December 2012! - HCBBS Forum
12. 【Daily Question】Chemical Engineering Principles 501: Regenerant (January 7) - HCBBS Forum
13. 【Daily Question】Principles of Chemical Engineering 572: Vapor Line and Liquid Line (June 20) - HCBBS Forum
14. Seek process for decolorizing used oil - HCBBS Forum
15. Questions about pressure and boiling point - HCBBS Forum
16. Is around 0.11 correct? - HCBBS Forum
17. The influence of initial boiling point and dry point on extraction in aromatic extraction - HCBBS Forum
18. Concentration speed multiplier - HCBBS Forum
19. Thoughts on quitting at the end of the year~~~ - HCBBS Forum
20. Special thread for the payment of salaries and bonuses to moderators and technical discussants in the petrochemical zone, December 2012 edition - HCBBS Forum
21. Regarding the issue of gas filling - HCBBS Forum
22. Design and calculation of hydrocracking flow control orifice plates - HCBBS Forum
23. 【Daily Question】Chemical Engineering Principles 517: Low tank temperature at hydrogen station (January 26) - HCBBS Forum
24. 【Daily Question】Chemical Engineering Principles 539: Counterflow Regenerated Fixed Bed (March 27) - HCBBS Forum
25. Help identify what substance it is - HCBBS Forum
26. Compressor operation: What is the effect of lighter process components on the outlet pressure? - HCBBS Forum
27. Regarding the operating temperature - HCBBS Forum
28. Leakage in the heat exchanger heated by steam - HCBBS Forum
29. If a non-metallic pipe is used for Class A liquids, does it need to be classified as GC2 according to pressure pipeline classifications? ? ? - HCBBS Forum
30. Problems encountered when reducing 8 kilograms of steam to 2 kilograms of steam – discussion - HCBBS Forum
31. Heat of solution of N,N-dimethylethylamide in water - HCBBS Forum
32. 【Daily Question】Chemical Engineering Principles 541: Temperature (March 29) - HCBBS Forum
33. Q&A on Reciprocating Compressor Technology - HCBBS Forum
34. In the preparation of supercritical fluids, at which stage is the majority of the heat absorbed? - HCBBS Forum
35. Are there teachers at HaiChuan with rich theoretical and practical experience? - HCBBS Forum
36. Why does 1 mol of any gas occupy a volume of approximately 22.4 L under standard conditions? - HCBBS Forum
37. 【Daily Question】Chemical Engineering Principles 533: Feedwater Quality in DC Boilers (March 20) - HCBBS Forum
38. Test method for acetylene containing phosphine? ? - HCBBS Forum
39. 【Daily Question】Chemical Engineering Principles 527: Counterflow Regenerated Fixed Bed (March 5) - HCBBS Forum
40. 【Daily Question】Chemical Engineering Principles 514: Hydrazine Concentration (January 23) - HCBBS Forum
41. How should the rate of NH3 formation from N2 and H2 at 1000 degrees and 2 MPa, in the absence of a catalyst, be analyzed? - HCBBS Forum
42. Which standard should be followed for pressure testing, purging, and airtightness testing of non-metallic pipes? ? - HCBBS Forum
43. 【Daily Question】Principles of Chemical Engineering 524: Ion Exchangers (February 8) - HCBBS Forum
44. Seeking advice on spherical tank layout - HCBBS Forum
45. For polyurethanes, amides, and phosphonates to be analyzed by NMR, what solvent should be used to dissolve these two types of organic compounds? - HCBBS Forum
46. Catalytic cracking of toluene or other organic solvents - HCBBS Forum
47. Regarding Class E welds of pressure vessels? - HCBBS Forum
48. Has there been a situation where it was blocked by gas and the liquid couldn’t flow down? - HCBBS Forum
49. How to calculate the negative pressure in a storage tank - HCBBS Forum
50. Calculation of the diameter of the exhaust pipe for the induced draft fan - HCBBS Forum
51. 【Daily Question】Principles of Chemical Engineering 502: Power Plants (January 8) - HCBBS Forum
52. Design of falling film evaporators - HCBBS Forum
53. 【Daily Question】Chemical Engineering Principles 559: Silicon content in water (May 18) - HCBBS Forum
54. 【Daily Question】Principles of Chemical Engineering 515: Resins (January 24) - HCBBS Forum
55. 【Daily Question】Chemical Engineering Principles 561: The function of activated carbon filters (May 22) - HCBBS Forum
56. The salt concentration in the UASB anaerobic reactor is currently 9,000; could this have an inhibitory effect on the anaerobic bacteria? - HCBBS Forum
57. 【Daily Question】Chemical Engineering Principles 556: Filters (May 15) - HCBBS Forum
58. 【Daily Question】Chemical Engineering Principles 518: Ammonia – Hydrazine Protection (January 27) - HCBBS Forum
59. How is the flow rate of carbon dioxide at 100 cubic meters per hour converted into moles? - HCBBS Forum
60. The temperature issue of gas - HCBBS Forum
61. Fluid mechanics calculation problems - HCBBS Forum
62. 【Daily Question】Chemical Engineering Principles 555: Cleaning of Steam Sample Containers (May 12) - HCBBS Forum
63. Ultraviolet testing issues - HCBBS Forum
64. Is the suction volume of the breather valve on the methanol storage tank equal to the flow rate of methanol exiting, assuming that at that time the tank is only allowing methanol to exit and not to enter? - HCBBS Forum
65. Equipment (compressor) — where to? (6) - HCBBS Forum
66. 【Daily Question】Chemical Engineering Principles 500: Backwashing (January 6) - HCBBS Forum
67. 【Daily Question】Chemical Engineering Principles 511: Mixed Bed (January 20) - HCBBS Forum
68. 【Daily Question】Chemical Engineering Principles 504: Clarifier (January 10) - HCBBS Forum
69. Are steam distillation and steam stripping the same thing? - HCBBS Forum
70. Process Engineering Region June 2012 Moderator and Technical Discussant Salary Poster - HCBBS Forum
71. I have a few questions about n-hexane; if anyone knows the answers, please help - HCBBS Forum
72. How to convert when using the same rotameter to measure different gases - HCBBS Forum
73. Share the chemical formula editing software ChemDraw 16 - HCBBS Forum
74. 【Daily Question】Chemical Engineering Principles 496: Backwashing of Mixed-bed Resins (January 3) - HCBBS Forum
75. 【Daily Question】Chemical Engineering Principles 505: Measuring Low Hardness (January 11) - HCBBS Forum
76. 【Daily Question】Fundamentals of Chemical Engineering 581: Viscosity of Fluids (July 3) - HCBBS Forum
77. Mechanical seal scheme 62 - HCBBS Forum
78. Special post on salary + bonus payment for moderators and technical discussants in Petrochemical Industry Zone in June 2012 - HCBBS Forum
79. How can the kinetic parameters in the reaction kinetics equation for NaOH and NAHSO3 be determined? Thank you so much. - HCBBS Forum
80. Help, how to calculate the hydrogen consumption? - HCBBS Forum
81. May non-metallic pipes be used for Class A liquid pipelines? ? What are the criteria that prohibit it? - HCBBS Forum
82. Why is nitrogen used to seal the waste acid sedimentation tank? - HCBBS Forum
83. 【Daily Question】Chemical Engineering Principles 563: Dissolving Scale Samples with Sulfuric Acid (May 24) - HCBBS Forum
84. 【Daily Question】Chemical Engineering Principles 512: Condenser (January 21) - HCBBS Forum
85. 【Daily Question】Chemical Engineering Principles 548: Feed Location (April 10) - HCBBS Forum
86. 【Daily Question】Chemical Engineering Principles 509: Furnace Tubes (January 18) - HCBBS Forum
87. How is the arc length calculated for marking holes in the cover of pressure vessels? ? ? - HCBBS Forum
88. Calculations for tubular experimental resistance furnaces - HCBBS Forum
89. 【Daily Question】Chemical Engineering Principles 574: Absorption Operation Line (June 22) - HCBBS Forum
90. 【Daily Question】Chemical Engineering Principles 540: Viscosity (March 28) - HCBBS Forum
91. What is this structural formula? - HCBBS Forum
92. The problem of passivation in stainless steel reaction vessels - HCBBS Forum
93. Which safety technical specifications should be followed for non-metallic pipes? ? ? - HCBBS Forum
94. Why are steam pipelines insulated? ? ? - HCBBS Forum
95. Vaporization latent heat of hydrofluoric acid - HCBBS Forum
96. What is the impact of demineralized water on the sealing of gas tanks? ? ? ? - HCBBS Forum
97. Does anyone have a chart showing the dew points and saturated water contents of smoke and air? - HCBBS Forum
98. Everyone, will there be any chemical reactions when these substances are mixed? Thank you - HCBBS Forum
99. Gas volume conversion - HCBBS Forum
100. [Utilities Division] December 2012 Post on Salary Payments for Moderators and Technical Discussants - HCBBS Forum