English — Forum #723 (Page 273/642)

1. Is it okay to use an electrical interface with an explosion-proof converter before connecting to Gran? - HCBBS Forum
2. Three Modern-Style Poems - HCBBS Forum
3. Mass flow meter - HCBBS Forum
4. 【Daily Question】Chemical Engineering Principles 372: Deaerator (May 10) - HCBBS Forum
5. Who has the maintenance manual suitable for the evaporator? Help needed - HCBBS Forum
6. Registration fee for chemical industries - HCBBS Forum
7. Help: Is there a big difference between the first and second editions of the books for the Chemical Engineering entrance exam? - HCBBS Forum
8. Have you ever used 24VDC powered two-wire pressure switches or level switches? - HCBBS Forum
9. For industrial sulfuric acid entering the plant, samples are taken twice from the same shipment. One time, the color is transparent. What causes discoloration to occur once? - HCBBS Forum
10. Naphtha aromatization - HCBBS Forum
11. During the transition to small-scale household biogas systems - HCBBS Forum
12. How do I apply to become a registered utility engineer? - HCBBS Forum
13. Teachers in instrument automation, please help - HCBBS Forum
14. One Question per Day on Synthetic Ammonia (Series 86) - HCBBS Forum
15. Let’s discuss personal benefits and the future prospects for electrical personnel in chemical plants. - HCBBS Forum
16. High pressure on the concentrate side of the reverse osmosis membrane - HCBBS Forum
17. What kind of despicable and hypocritical people are those bosses who are more suitable to be entrusted with one’s life? - HCBBS Forum
18. Why is the evaporator a heat transfer device as well as a separation device? - HCBBS Forum
19. 【Purification Daily Question】May 8, 2016 - HCBBS Forum
20. Ventilation of flammable and explosive gases in chemical plants - HCBBS Forum
21. 【Daily Question No. 175】May 13, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
22. Mechanical seal - HCBBS Forum
23. 【Daily Question】 2016 05 06 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
24. 【Daily Question】20160510 Test methods and pressures for tube ends of shell-and-tube heat exchangers (Top 50 participants + 2 rewards) - HCBBS Forum
25. The pressure in the stabilizer tower is excessively high – how can product quality be ensured? - HCBBS Forum
26. At what pressure should the flanges of vacuum vessels be designed? - HCBBS Forum
27. Shandong Shengbao Heat Transfer Technology – Air coolers, evaporative condensers, closed-cycle cooling towers - HCBBS Forum
28. Discussion on the baffle spacing issue in evaporators - HCBBS Forum
29. The ground has been hardened; how should the motor be grounded? - HCBBS Forum
30. Ultra-pure water treatment equipment solutions for the electroplating industry - HCBBS Forum
31. Liquefied gas pipeline transportation - HCBBS Forum
32. Diameter selection - HCBBS Forum
33. safety distance - HCBBS Forum
34. Survey the content of the \"One Question per Day\" section on purification; rewards for the first 30 replies - HCBBS Forum
35. 【Daily Question】 2016 05 09 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
36. Technical help: Wire for solenoid valve - HCBBS Forum
37. 【Daily Question】Advanced Processing 20160508 Multiple Choice: What is the conversion rate of ethane? ( ) - HCBBS Forum
38. Is it almost time to register for the 2016 First-Class Constructor exam? - HCBBS Forum
39. Issue with expansion joints on the inlet and outlet pipes of the reboiler - HCBBS Forum
40. 【Weekly Topic】【Storage & Transportation Version 201605011】 - HCBBS Forum
41. Does anyone know what problems can arise when an evaporator is in operation? - HCBBS Forum
42. For a 30,000 cubic meter internal floating roof tank, are there any requirements regarding diameter and height? - HCBBS Forum
43. 【Chemical Industry News】Desulfurization technology for high-pressure sulfur-containing oilfield gas passes evaluation - HCBBS Forum
44. Shenwu Group’s “Annual production of 1.3 billion Nm3 of synthetic natural gas using a non-cyclic methanation process package” passed expert evaluation - HCBBS Forum
45. What causes bulging of the lining in a CO2-stripped urea synthesis tower? - HCBBS Forum
46. Excessive hydrogen sulfide levels in the exhaust gas from low-temperature methanol washing - HCBBS Forum
47. I am looking for information on the fluidized bed hydrogenation process, as well as information on hydrogen production from coke oven gas~~~ - HCBBS Forum
48. Vacuum level - HCBBS Forum
49. Incomplete display in the small window and on the panel of the secondary screen in the Yokogawa DCS CENTUM VP dual-screen setup - HCBBS Forum
50. Please inform me of the calculation method for the gas production volume of a gasification furnace! - HCBBS Forum
51. Selection of export throttling and bypass under specific requirements - HCBBS Forum
52. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 295 - HCBBS Forum
53. Discussion on the performance curve of centrifugal pumps - HCBBS Forum
54. How should the shell length of a fixed-tube-sheet heat exchanger be determined? - HCBBS Forum
55. Seek Mitsui Oil Chemical’s high-density polyethylene operating procedures and process flow diagrams with node control - HCBBS Forum
56. Start-up and shutdown of the new hydrogen compressor with three-stage compression - HCBBS Forum
57. Looking for software or algorithms for calculating steam-air heat exchangers - HCBBS Forum
58. Applying for jobs in electrical and instrumentation equipment fields - HCBBS Forum
59. 【Q&A Question 024】May 14, 2016 - HCBBS Forum
60. Regarding the PSA sequence - HCBBS Forum
61. Closed-cycle cooling tower - HCBBS Forum
62. Safety Technology Exchange Edition: Daily Question (2016.5.8) - HCBBS Forum
63. Regarding standard specifications - HCBBS Forum
64. Technical requirements for pipe and valve fittings - HCBBS Forum
65. Regarding the offline installation of DCS and SIS systems, as well as the hot-swapping of system cards, how do people prevent the devices from coming to a stop? - HCBBS Forum
66. Why do pressure fluctuations in the hydrocracking reaction system cause fluctuations in the seal oil high-level tank? ? 、 - HCBBS Forum
67. 【Mechanical Division】Post on assessments of management and technical teams sowie payment of salaries and bonuses for April 2016 - HCBBS Forum
68. Xu Shaoshi visited Jinyu Dingxin Cement Company for an inspection - HCBBS Forum
69. 【Daily Question】Chemical Engineering Principles 371: Quality of Cooling Water (May 9) - HCBBS Forum
70. [Sulfur Recovery] Optimization of S-Zorb unit control to achieve energy savings and reduced consumption - HCBBS Forum
71. 【Gas separation unit】What is the most precise English translation for “gas separation unit”? ? ? ? - HCBBS Forum
72. Gas molecule mass issue - HCBBS Forum
73. Discussion threads on the current popular drama ‘Joyful Song’ - HCBBS Forum
74. What are the main components of COD in coking wastewater? - HCBBS Forum
75. Recommend this great book – The Martian - HCBBS Forum
76. surge - HCBBS Forum
77. Questions about flow velocity in open-channel water pipes - HCBBS Forum
78. Hydrolysis of chlorosilanes - HCBBS Forum
79. I need a plant layout diagram for Shell gasification - HCBBS Forum
80. What types of reactors and centrifuges require monitoring of oxygen content? - HCBBS Forum
81. Welding method for small acetate pipes - HCBBS Forum
82. 【Weekly Topic】【Storage & Transportation Version 201605016】 - HCBBS Forum
83. Regarding the verification of the 3D coordinate systems for various devices in the factory, how do you guys proceed? - HCBBS Forum
84. 【Daily Question】Deep Processing 20160513 Multiple Choice: The core of the chemical production process is ( ) - HCBBS Forum
85. Why does the carbon scrubber in water-coal slurry gasification easily get clogged during startup? - HCBBS Forum
86. 【Daily Topic】【Civil Engineering Version 20160510】 - HCBBS Forum
87. How much hydrogen and nitrogen are required to produce one ton of synthetic ammonia? - HCBBS Forum
88. 【Weekly Topic】【 Quality Version 20160513】 - HCBBS Forum
89. Main reasons for the damage of the bellows in machine seal systems with bellows compensation - HCBBS Forum
90. The Yamata AVP103 locator that was recently debugged has good self-tuning capabilities, but there is still air output at 4 mA. What’s going on? - HCBBS Forum
91. The authentic method for preparing salt-baked chicken, a specialty from Guangdong - HCBBS Forum
92. Questions about centrifugal pumps - HCBBS Forum
93. An ancient poem - HCBBS Forum
94. Rotary steering drilling signal transmission device - HCBBS Forum
95. What is the difference between an integrated burner and a separate burner in a heat transfer oil furnace? - HCBBS Forum
96. Methods for treating antimony - HCBBS Forum
97. Introduction to Rio Olympic Events 01/28: Archery – Sports Section, Invite from Moderator - HCBBS Forum
98. Compilation of Laws, Regulations, and Rules Concerning the Investigation and Handling of Production Safety Accidents - HCBBS Forum
99. How to calculate the gas velocity in plate holes - HCBBS Forum
100. Solutions to inverter interference problems - HCBBS Forum