English — Forum #723 (Page 184/642)

1. What causes the turbine speed not to increase? - HCBBS Forum
2. You really know how to approach smart elderly care - HCBBS Forum
3. Installation of vertical thermosyphon reboiler - HCBBS Forum
4. What is a relay tank? - HCBBS Forum
5. Slag accumulation in the gasifier - HCBBS Forum
6. Happy Valentine's Day - HCBBS Forum
7. Can the BOD5 of the effluent after hydrolytic acidification of refractory wastewater be higher than that of the influent? - HCBBS Forum
8. 【Weekly Topic】【Quality Version 20160729】 - HCBBS Forum
9. Heat exchanger 5-point temperature curve - HCBBS Forum
10. How to escape and stay safe in the face of these explosions? Please check the detailed drawing - HCBBS Forum
11. China’s largest ethylene gas cracking furnace has been successfully put into operation at Zhenhai Refining & Chemical Co - HCBBS Forum
12. Mechanism of alkali corrosion in refinery aromatic units and preventive measures - HCBBS Forum
13. Sign-in record post from August 5, 2016 - HCBBS Forum
14. For question 18 in the morning session of the 2014 Chemical Engineering exam, is the correct answer 2356 or 2312? - HCBBS Forum
15. The benzene extracted by the device contains water - HCBBS Forum
16. Outer sheath of furnace bed thermocouple - HCBBS Forum
17. Which one is more vacuum-resistant, the fluoroplastic butterfly valve of F4 or that of F46? Urgent! - HCBBS Forum
18. Can DCS implement this control scheme? - HCBBS Forum
19. Zhongke Xinruan is recruiting part-time instructors for NREC software - HCBBS Forum
20. Generally speaking, do the asphalt pipelines in asphalt storage projects qualify as pressure pipelines? - HCBBS Forum
21. Destination of desulfurization liquid - HCBBS Forum
22. Waste gas treatment fan - HCBBS Forum
23. PED design: How to find the required materials Ret, Rmt? - HCBBS Forum
24. Ash treatment - HCBBS Forum
25. Is it better to place the phosphorus removal agent at the fine grid or at the outlet weir of the oxidation ditch? - HCBBS Forum
26. Coal-to-oil: Can the dream become reality? - HCBBS Forum
27. Seek help with control valves - HCBBS Forum
28. flue flap - HCBBS Forum
29. Why does an electromagnetic flowmeter show a negative value when the pipeline is empty or not fully filled? - HCBBS Forum
30. Please, experts, explain in detail what the different models of DuPont membranes mean - HCBBS Forum
31. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； August 02 - HCBBS Forum
32. Question regarding the lift-type check valve of the compressor - HCBBS Forum
33. Investment and construction timeline for the torch - HCBBS Forum
34. Seeking advice: For temperatures above 600 degrees Celsius, local temperature measurement is required. What do everyone use? Are there any cost-effective products? - HCBBS Forum
35. [Picture of the Day] 2016 08 08 The wonderful picture of the day continues. In this picture, the equipment that the worker is inspecting is. - HCBBS Forum
36. Selection of ammonium sulfate dust removal pipelines? ? - HCBBS Forum
37. Check to see if there are any alumni from Lanzhou Petrochemical Vocational and Technical College - HCBBS Forum
38. A specialized company in Shandong for energy-saving upgrades of water pumps focuses on upgrading circulating water pumps - HCBBS Forum
39. 【Daily Topic】【Electrical Edition 20160730】 - HCBBS Forum
40. For the multiple-choice questions in the Professional Examination for Registered Chemical Engineers, aren’t options A, B, C, and D available? - HCBBS Forum
41. Selection of mortar pumps? - HCBBS Forum
42. Sulfur recovery unit operator - HCBBS Forum
43. Yokogawa AXF SE series electromagnetic flowmeters - HCBBS Forum
44. Problems with double-vessel vacuum dryers - HCBBS Forum
45. Urgently need a question bank for equipment-related topics - HCBBS Forum
46. Installation and Usage Instructions for PIDCAD Network Version - HCBBS Forum
47. Bubbles in aerobic activated sludge tanks - HCBBS Forum
48. What is the height of the bottom edge of the bubble cap according to the standard bubble cap specifications (JB-1212-73)? - HCBBS Forum
49. The shocking EHS file catalog - HCBBS Forum
50. What is the difference between calcium hydrogen phosphate and calcium dihydrogen phosphate? - HCBBS Forum
51. The State Council issued a directive yesterday: no new production capacity for these fertilizers is allowed! ! - HCBBS Forum
52. What is the difference between blended CST180 and straight-run CST180? - HCBBS Forum
53. A question from physical chemistry in the entrance examination for chemical engineering - HCBBS Forum
54. Why can’t oil and gas pipelines pass under drainage bridges and culverts? - HCBBS Forum
55. 【Daily Topic】【Engineering Version 20160729】 - HCBBS Forum
56. 【Picture of the Day】2016 08 01 What is the main device in this image? - HCBBS Forum
57. Seeking advice on the conditions for accurate measurement with vortex flowmeters! - HCBBS Forum
58. 【Weekly Topic】【Production Version 20160808】 - HCBBS Forum
59. 【Picture of the Day】2016 08 10 Picture of the Day – The excitement continues. What is the device in this picture? Correct answer. - HCBBS Forum
60. Is anyone suffering from heatstroke? - HCBBS Forum
61. Recruitment at Shandong Dongfang Group - HCBBS Forum
62. 【Beginner】Questions related to float-type level gauges - HCBBS Forum
63. Material and energy (heat) balance of the distillation column - HCBBS Forum
64. Problems with pressure transmitters - HCBBS Forum
65. Sign-in record post from July 28, 2016 - HCBBS Forum
66. Favorite for the table tennis singles title at the Rio Olympics - HCBBS Forum
67. 【Beginner】How to determine the measurement range of a flow meter? - HCBBS Forum
68. Safety Technology Exchange Edition: Daily Question (2016.8.1) - HCBBS Forum
69. Analysis of the causes of burned motor coils in shielded pumps - HCBBS Forum
70. Safety Technology Exchange Edition: Daily Question (2016.8.4) - HCBBS Forum
71. I really can’t stand it anymore; the daily image shows which range of devices are involved – should they be removed from the hydrogen production category? - HCBBS Forum
72. How is a 3-wire combustible gas alarm connected to the measurement bridge circuit? - HCBBS Forum
73. Discussion on the pressure in packed towers - HCBBS Forum
74. What are the differences between the Eastern furnace, the aerospace furnace, and the Texaco furnace, and do each of them have their own shortcomings? - HCBBS Forum
75. 【Daily Topic】【Civil Engineering Version 20160807】 - HCBBS Forum
76. Is it reasonable to place the civil engineering and utility engineering specialties in the production sector? - HCBBS Forum
77. 【Daily Question】Advanced Processing 20160808 Fill-in-the-blank: Reading of glass tube (plate) level gauges. . . - HCBBS Forum
78. How many months can a methanol catalyst last at 300°C? - HCBBS Forum
79. Preview of the 2016 Forum on Advanced Technologies and Industrialization for the Differential Utilization of Low-Rank Coal - HCBBS Forum
80. Selection of screws - HCBBS Forum
81. What is the content of liquid water entrained in the water gas at the outlet of the wash tower in a water-coal slurry gasifier? - HCBBS Forum
82. Why does an increase in the main steam pressure of a turbine lead to an increase in humidity in the lower pressure stages? - HCBBS Forum
83. On the use of the S7-400 simulation software S7-PLCSIM - HCBBS Forum
84. Aspen polymer phase equilibrium calculation - HCBBS Forum
85. 【Weekly Topic】【Electrical Edition 20160803】 - HCBBS Forum
86. How can recent college graduates learn the knowledge related to *C5C9 separation? Thank you all - HCBBS Forum
87. 【Weekly Topic】【Quality Version 20160810】 - HCBBS Forum
88. 【Daily Topic】【HVAC Version 20160730】 - HCBBS Forum
89. What does machine seal UK2500 mean? - HCBBS Forum
90. I would like to ask everyone why Q345R is used as the material for liquefied petroleum gas storage tanks instead of Q245R - HCBBS Forum
91. 【In-depth】Preliminary report on hazardous waste in the petrochemical industry completed; industry’s challenges remain unresolved - HCBBS Forum
92. ““comm fail” issue - HCBBS Forum
93. A reward of 100,000 yuan is offered for solutions to solid waste disposal - HCBBS Forum
94. Eccentric butterfly valve, double eccentric butterfly valve, triple eccentric butterfly valve – is there a flow direction? - HCBBS Forum
95. Water seal ring and oil seal ring - HCBBS Forum
96. Safety Technology Exchange Edition: Daily Question (2016.8.5) - HCBBS Forum
97. What is the relationship between the measurement range of a gauge and its scale? - HCBBS Forum
98. In the liquid nitrogen washing process for synthetic ammonia production, are three-eccentric valve designs used instead of ball valves with track mechanisms in molecular sieve cut-off valves?/ - HCBBS Forum
99. Questions regarding the disassembly and assembly of pneumatic diaphragm control valves - HCBBS Forum
100. Question 64 in the 2011 edition: the difference between Tianjin University’s version and the association version - HCBBS Forum