English — Forum #723 (Page 533/642)

1. Do the feed pipes of steam boilers belong to pressure pipelines? - HCBBS Forum
2. On the corrosion issue of heat exchangers using liquefied gas - HCBBS Forum
3. Vaporization chamber - HCBBS Forum
4. Regarding professional title evaluation, experts, please advise on what to do - HCBBS Forum
5. I have a question regarding a water pump flange. - HCBBS Forum
6. Briefly describe the responsibilities of producers and operators in preventing pollution? - HCBBS Forum
7. Nefaphenic anhydride Nefa tank level gauge - HCBBS Forum
8. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 298 - HCBBS Forum
9. Basic question: How are heat exchangers generally classified based on the materials used? - HCBBS Forum
10. Questions for Issue 20150912 - HCBBS Forum
11. Desulfurization Process Engineer, Nanjing – Recommended bonus of 500 yuan - HCBBS Forum
12. Questions about superheated steam - HCBBS Forum
13. How often should a fixing bracket be installed along a straight pipe at non-stress levels? - HCBBS Forum
14. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 301 - HCBBS Forum
15. 【College Activities】018+ “A Decade of Romantic Relationships!” Let it be as it is! "+qq375170364 - HCBBS Forum
16. The instrument selection software everyone needs: Instrument Toolkit - HCBBS Forum
17. Why does stainless steel lose its color? - HCBBS Forum
18. Sign-in record post from September 11, 2015 - HCBBS Forum
19. How to start a compressor without a unloader, with the inlet and outlet closed or open - HCBBS Forum
20. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 303 - HCBBS Forum
21. Air-cooled or aluminum fin for cold storage - HCBBS Forum
22. What are the reasons for the sharp decline in biodiversity? - HCBBS Forum
23. September 3rd - HCBBS Forum
24. MVR crystallization evaporator - HCBBS Forum
25. Software for converting between standard gas conditions and operating conditions - HCBBS Forum
26. Simple pressure vessel type test - HCBBS Forum
27. I would like to ask the experts about E5015 and E4315 welding electrodes - HCBBS Forum
28. Delicious sheep droppings – “Sheep waste”” - HCBBS Forum
29. Natural gas pipeline replacement plan - HCBBS Forum
30. Industrial alcohol formula_Hazards-Protection - HCBBS Forum
31. Calculation of release rate under reactor fire conditions penetrating the floor slab - HCBBS Forum
32. Where has Haichuan Bank gone? - HCBBS Forum
33. The slope issue of pipelines for loading refined oil by rail - HCBBS Forum
34. Suggestions for establishing the \"biochemical engineering\" industry - HCBBS Forum
35. As the weather gets cooler, take care of your health - HCBBS Forum
36. Cooling system for large-diameter equipment - HCBBS Forum
37. What is the purpose of the two Ø11 holes on the rib plates on either side of the container saddle? - HCBBS Forum
38. September 4: Boiler Foundation Questions – 20 Term Explanations: (A certain score will be given to the top 30) - HCBBS Forum
39. Current work and activities on the bounty section! - HCBBS Forum
40. Problems with the drain valve of pressure transmitters used for measuring liquid pressure - HCBBS Forum
41. How to select an actuator for converting a manual gate valve (DN700) to a pneumatic type - HCBBS Forum
42. Safety precautions related to the use of marine cranes - HCBBS Forum
43. Light components in the distillation column feed - HCBBS Forum
44. Which expert can help me answer some questions regarding aviation fuel? - HCBBS Forum
45. Seek methods and instruments for measuring flue gas or air humidity - HCBBS Forum
46. What are the three key components to pay attention to when using an explosion-proof crane? - HCBBS Forum
47. Which expert can help with the calculation of materials and heat for dryers? Thank you - HCBBS Forum
48. Foundation-laying ceremony for the Qitaihe Hongtaixing Coking Upgrade and Transformation Project to Produce Clean Chemicals (Synthetic Oil) (Coke Gasification – FTO Synthesis) - HCBBS Forum
49. Selection Activity for Outstanding Original Technical Themes in August 2015 (Recommendation Phase) - HCBBS Forum
50. Help needed - HCBBS Forum
51. 【Daily Question】Test Issue 20150911 - HCBBS Forum
52. 【Daily Question】Question from Issue 20150901 - HCBBS Forum
53. Can the MTP molecular sieve catalyst ZSM5 adsorb carbon dioxide, and what are the conditions required for its desorption? - HCBBS Forum
54. Relationship between centrifugal compressor noise and the medium - HCBBS Forum
55. What is primary desalination treatment? - HCBBS Forum
56. What is the material used for equipment that reacts sulfuric acid, *ao acid mixture with calcium hydroxide? - HCBBS Forum
57. 【Daily Question】 September 17: What are the methods for recycling pollutants? ? ? - HCBBS Forum
58. Does anyone have a tutorial on reinstalling the system? - HCBBS Forum
59. 【Daily Question】Question from Issue 20150901 - HCBBS Forum
60. 【Daily Question】On September 18, the amount of catalytic slurry fed back into the process or the amount sent out of the unit increases – what happens to the liquid level at the bottom of the distillation tower? - HCBBS Forum
61. Environmental protection practices in daily life - HCBBS Forum
62. Adjustment of the outlet pressure of the film press - HCBBS Forum
63. Why is it necessary to specify the distance of the straight pipe sections before and after the flow meter during installation? - HCBBS Forum
64. Energy consumption calculation - HCBBS Forum
65. What is eutrophication pollution of water bodies? - HCBBS Forum
66. 【College Activities】To Our Youthful Memories That Will One Day Fade Away---Summary of Event Posts - HCBBS Forum
67. The forum now has a cloud notepad feature - HCBBS Forum
68. Regarding welding repairs - HCBBS Forum
69. Seeking help regarding unqualified MDEA desulfurization products - HCBBS Forum
70. Installation of bottom drainage pipes for water (carbon) scrubber towers and high flash (or evaporative hot water) towers - HCBBS Forum
71. Discussion on whether the vibration of the exhaust fan in the main fan unit is involved in the interlock system! - HCBBS Forum
72. 【Daily Question No. 10】September 09, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
73. What type of flow meter should be used to measure oil at 200°? - HCBBS Forum
74. 6-APA (6-Aminopenicillanic acid) - HCBBS Forum
75. Weekly topic: 5 Wealth points for correct answers, 2 Wealth points for participation； Question 162 - HCBBS Forum
76. Leak in the heating pipeline inside the formaldehyde tank - HCBBS Forum
77. Has anyone done welding on SAF2507 pipes? - HCBBS Forum
78. Chemical Engineering in Daily Life – Question 63: It rains and salt causes moisture to accumulate, yet bed sheets can still be dried. Why? - HCBBS Forum
79. Seeking help regarding pipeline leaks - HCBBS Forum
80. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 295 - HCBBS Forum
81. Treatment of wastewater from coal-to-natural gas production - HCBBS Forum
82. CAESAR_II_2014. Installation method - HCBBS Forum
83. Temperature control in the coal powder preparation process! - HCBBS Forum
84. Issue 29 of the Home Life Debate Forum: Pros and Cons of Allowing Pensions to Enter the Stock Market - HCBBS Forum
85. M400 Online Process Controller - HCBBS Forum
86. Normal catalyst wear rate - HCBBS Forum
87. I have a question to ask here regarding fire engineers and safety engineers - HCBBS Forum
88. How to choose dual-level gauges for the vacuum tank in the polyester production polycondensation reactor - HCBBS Forum
89. What are the categories of heat exchange equipment based on their principle? What are their respective features? - HCBBS Forum
90. Pipe deflection - HCBBS Forum
91. What are the factors that cause flooding in tower equipment? - HCBBS Forum
92. Is it necessary to obtain a certificate for passing the basic chemical engineering exam in Sichuan Province? - HCBBS Forum
93. The issue of centrifugal pump types and maximum allowable pressure - HCBBS Forum
94. Vibration in the turbine inlet pipeline - HCBBS Forum
95. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 299 - HCBBS Forum
96. I have a question regarding the temperature ranges and ignition temperatures of naphtha and gasoline - HCBBS Forum
97. Siemens PLC module - HCBBS Forum
98. Incident of weld cracking, leakage, and fire involving TP347 material furnace tubes - HCBBS Forum
99. Case study discussion on carbon dioxide stripping method - HCBBS Forum
100. How to prevent tower cranes from toppling over - HCBBS Forum