English — Forum #723 (Page 506/642)

1. Causal table logic diagram - HCBBS Forum
2. Problems with the fat-pressure layer in ion exchangers - HCBBS Forum
3. 1. Into which categories can industrial toxins be divided based on their physical form? - HCBBS Forum
4. I have a question: what can be done if the device’s vortex breaker gets clogged easily? - HCBBS Forum
5. The osmanthus fragrance is back, and osmanthus-themed delicacies are here - HCBBS Forum
6. Heat exchange tube wall thickness - HCBBS Forum
7. Can carbon dioxide and water produce carbonic acid at room temperature under pressure? - HCBBS Forum
8. What issues should be considered when using resin? - HCBBS Forum
9. What does \"large balance\" mean? - HCBBS Forum
10. Usage limitations of bolts and studs - HCBBS Forum
11. Severe scaling in the reaction vessel used for producing nickel sulfate in the electrolytic copper purification system - HCBBS Forum
12. Does temperature difference have an effect on gases? - HCBBS Forum
13. Transformation reactions in the HL-T gasification chamber - HCBBS Forum
14. Sharing of codes for registered electrical engineers (power supply and distribution) - HCBBS Forum
15. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 185 - HCBBS Forum
16. Discovering 40 amazing uses for Liuwei Dihuang Wan - HCBBS Forum
17. 【Daily Question】2015.09.24 (2 Wealth points for replying, +3-8 Wealth points for a correct answer) - HCBBS Forum
18. Analyze the characteristics of modern chemical production - HCBBS Forum
19. Haichuan’s plans for November 2015 - HCBBS Forum
20. Mid-Autumn Festival Greetings - HCBBS Forum
21. Zinc chloride removal - HCBBS Forum
22. Problems with engineering documents - HCBBS Forum
23. Sterilization issues in pretreatment of demineralized water - HCBBS Forum
24. Seeking help with Siemens system software - HCBBS Forum
25. In gas boilers, is natural gas burning or exploding? - HCBBS Forum
26. How to make a lid that is easy for people to use - HCBBS Forum
27. What are the reasons for the tripping of vacuum pump units, and how to resolve them? - HCBBS Forum
28. 『Weekly Topic』—What are the mainstream treatment methods for phenolic wastewater? (2015.9) - HCBBS Forum
29. PID beginner - HCBBS Forum
30. What is the function of the liquid distribution system in a stripping tower? - HCBBS Forum
31. The viewfinder glass is broken. What’s the reason? - HCBBS Forum
32. Learn Together*: +2 wealth for participation, +5 wealth for correct answers - HCBBS Forum
33. 【Weekly Question on September 28】What is the phenomenon of low water level in the drum of a circulating fluidized bed boiler? - HCBBS Forum
34. How to determine the temperature and pressure for chemical equipment design? - HCBBS Forum
35. I heard that signing in and being online are no longer available? - HCBBS Forum
36. The evaporation rate of the liquid nitrogen storage tank is high - HCBBS Forum
37. Economic analysis of overcapacity - HCBBS Forum
38. 【Daily Question】Question from Issue 20151003 - HCBBS Forum
39. 【College Activities】026+ “University Self-**Room” + Salt Seller - HCBBS Forum
40. Seeking help with drawing techniques - HCBBS Forum
41. How to remove impurities from coal tar - HCBBS Forum
42. Seeking advice on the selection of positive and negative logic in DCS design - HCBBS Forum
43. 【Daily Question】Question from Issue 20150929 - HCBBS Forum
44. Principles of Automatic Control - HCBBS Forum
45. Material selection for nitrogen pipelines - HCBBS Forum
46. Coking in the fuel gas pipeline of the ethylene cracking furnace - HCBBS Forum
47. Equipment operator for sulfur recovery units; looking for a job in the three northeastern provinces - HCBBS Forum
48. 【Daily Question】Chemical Engineering Principles 184: Plate Column Design (September 26) - HCBBS Forum
49. The liquid alkali is prepared as an 8% dilute alkali solution – should it be prepared using a mixer on the pipeline or in a storage tank? - HCBBS Forum
50. What are the main coagulation mechanisms? - HCBBS Forum
51. Issues with pressure usage in free-floating ball type steam traps? - HCBBS Forum
52. Sinopec plans to acquire Tenglong Aromatics - HCBBS Forum
53. How can enterprises prevent and control pollution from the \"three wastes\"? - HCBBS Forum
54. 【College Activities】030+ “The Art of Course Selection” + Salt Seller - HCBBS Forum
55. How to assemble the shaft sleeve oil seal of a screw air compressor? - HCBBS Forum
56. Atomization effect of the burner - HCBBS Forum
57. What methods can be used to remove oil from the circulating water in coal-to-gas production? - HCBBS Forum
58. September 23: Question 40 on boiler foundations – true or false question: (A certain score will be given to the top 40 participants) - HCBBS Forum
59. Environmental Protection Daily Question 9.26 - HCBBS Forum
60. Will the Rockets trade World of Warcraft for Ado next year? - HCBBS Forum
61. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 325 - HCBBS Forum
62. Incorrect classification in pressure vessel review drawings - HCBBS Forum
63. TSG R0004-2012 \"Regulations on Safety Technical Inspection of Fixed Pressure Vessels\" and its Interpretations - HCBBS Forum
64. What is the relationship between the operating temperature of a heat pipe, its startup temperature, and the amount of fluid filled in it? - HCBBS Forum
65. 【Daily Question】Chemical Engineering Principles 189: Distillation (October 1) – Double rewards - HCBBS Forum
66. 【Daily Question】Question from Issue 20150925 - HCBBS Forum
67. Is the design temperature a single point or a range? - HCBBS Forum
68. 【Haichuan Safety Environment Cup】--0037+Safety-related bits and pieces+CoCo070563 - HCBBS Forum
69. Where was this picture taken from? - HCBBS Forum
70. A brief discussion on common faults of cables used in cranes - HCBBS Forum
71. Help: Phosphoric acid content - HCBBS Forum
72. Turbine maintenance - HCBBS Forum
73. One post per day - HCBBS Forum
74. Who has relatively complete statistics on hydrogen production facilities using hydrogenation? - HCBBS Forum
75. In the PFD diagram, the materials are classified into initial stage, final stage; what cycle does the high quench case correspond to? - HCBBS Forum
76. What are the differences in the requirements for the concentration of the regeneration fluid between forward regeneration and reverse regeneration? - HCBBS Forum
77. Chemical Engineering in Daily Life – Question 77: Is it correct to mix garlic with mashed eggplant this way? - HCBBS Forum
78. Formula for calculating coking rate - HCBBS Forum
79. Automatic water separation tank for liquefied gas storage tanks - HCBBS Forum
80. What plugins are used to draw CAD manholes and sight glasses? - HCBBS Forum
81. Question 44, multiple-choice question on boiler foundations for the Mid-Autumn Festival: (Wishing Haiyou a happy festival and all the best in everything) - HCBBS Forum
82. Operating Procedures for Desulfurization Post - HCBBS Forum
83. OP, give a red envelope! - HCBBS Forum
84. Does the dashboard require 3C certification? - HCBBS Forum
85. The workshop supervisor has a trick! - HCBBS Forum
86. Molecular sieve issues in pressure swing adsorption for nitrogen production - HCBBS Forum
87. Binary interaction parameter - HCBBS Forum
88. Wish everyone a happy National Day - HCBBS Forum
89. The catalyst in the reforming unit is suffering severe wear – what could be the reasons? - HCBBS Forum
90. SQL Server - HCBBS Forum
91. For waste heat power generation from coke oven flue gas, please contact us. - HCBBS Forum
92. 【Polyether polyols】Issues in vacuum pump selection - HCBBS Forum
93. What is the maximum volume of an anaerobic tank, and what is a suitable size? - HCBBS Forum
94. A brief discussion on common faults of cables used in cranes - HCBBS Forum
95. Is this the vertical pin of the steam turbine? - HCBBS Forum
96. 【Daily Question】9.25 Reply +2； For +3~8 - HCBBS Forum
97. Is fried pancake that mysterious? - HCBBS Forum
98. Relevant indicators for pipeline welding - HCBBS Forum
99. Chemical Engineering in Everyday Life – Question 75: Do you know the principle behind popping popcorn? - HCBBS Forum
100. How should the inlet pressure of the rich gas compressor in a steam turbine be adjusted optimally? - HCBBS Forum