English — Forum #723 (Page 585/642)

1. What does the critical wind speed of tower equipment refer to? - HCBBS Forum
2. Who has the data on running vulcanization with Texaco 6.5Mpa converter? - HCBBS Forum
3. How can production stability be achieved in practice? - HCBBS Forum
4. NMP turns red - HCBBS Forum
5. Numbers of world’s top-tier valve brands - HCBBS Forum
6. Wastewater treatment manufacturers - HCBBS Forum
7. The ASPENG simulation shows a much lower methane content in GE gasification compared to the actual value - HCBBS Forum
8. Chromatography - HCBBS Forum
9. How to manage the entry of personnel from external transportation and logistics companies into the production area? - HCBBS Forum
10. Fire separation distance for nitrogen compressors - HCBBS Forum
11. Ammonia purification operation - HCBBS Forum
12. The reaction process in the CA reactor - HCBBS Forum
13. Cu extraction electrowinning - HCBBS Forum
14. Why do pinholes appear on the surface - HCBBS Forum
15. “Haichuan Irrigation Co., Ltd. Convenience Store” – I haven’t watched a movie in ages - HCBBS Forum
16. Seeking specifications and standards for the flanges on the heads of graphite heat exchangers - HCBBS Forum
17. If you’re a class member, what’s the phrase said by the class leader that bothers you the most? - HCBBS Forum
18. Regarding the calculation of wall thickness - HCBBS Forum
19. Pneumatic butterfly valve - HCBBS Forum
20. Temperature variation fault - HCBBS Forum
21. How to determine whether to set the \"start contact\" and \"stop contact\" in the electrical interlock condition table - HCBBS Forum
22. Part-time engineer at ProII - HCBBS Forum
23. How to calculate the pressure for pipeline purging? ? Help needed - HCBBS Forum
24. Design pressure of the spherical tank, maximum operating pressure, and relief valve setting pressure - HCBBS Forum
25. Hit by falling objects from above - HCBBS Forum
26. Does a soft starter have power when there is a power outage? - HCBBS Forum
27. I would like to ask everyone, what size are storage silos for storing materials usually designed to be? - HCBBS Forum
28. Digital temperature display - HCBBS Forum
29. Does anyone know which company can design an ethylene oxide filling station? - HCBBS Forum
30. Price of 304 90° pressed elbow DN150 - HCBBS Forum
31. Compressor anti-surge - HCBBS Forum
32. How to repair tower perforations - HCBBS Forum
33. Questions about safety barriers - HCBBS Forum
34. Circulating water issues? - HCBBS Forum
35. Heat exchangers, surfacing, heat treatment, ferrite testing - HCBBS Forum
36. Implementation Plan for the “Restore to Good Condition” Campaign for Equipment (Plant-level, Production Department-level) - HCBBS Forum
37. Pressure problem of mixing two flammable gases - HCBBS Forum
38. Urgently need Honeywell PKS training materials - HCBBS Forum
39. What is the difference between a coupling and what we commonly call a drive pulley? - HCBBS Forum
40. How to prevent siphoning between two storage tanks? ! - HCBBS Forum
41. Which instruments specifically fall under analog and digital signals? - HCBBS Forum
42. Introduction to the principles and practical effects of enhanced heat transfer and energy-saving technologies in the technical renovation of tubular heating furnaces - HCBBS Forum
43. I have already received my certificate as a registered power engineer - HCBBS Forum
44. Fully welded heat exchanger - HCBBS Forum
45. 【Daily Question】July 22: What do the main performance characteristics of catalysts refer to? - HCBBS Forum
46. Today the forum is a bit “chaotic”” - HCBBS Forum
47. Control of diesel cetane number - HCBBS Forum
48. In the compressor industry, I would like to ask: when a compressor is in operation, do the gases entering and leaving it exert pressure on the buffer tanks located at its inlet or outlet? - HCBBS Forum
49. Vibration problem of the pump driven by the motor - HCBBS Forum
50. Regarding the tuning of cascade control - HCBBS Forum
51. Five key tips for graduates in the workplace - HCBBS Forum
52. If the work unit filled in during the registration for the basic exam and the professional exam is different, will it affect the approval process? - HCBBS Forum
53. The current of the centrifugal pump is above the rated value, and the motor is heating up - HCBBS Forum
54. The Rosemount pressure transmitter comes with FF bus protocol; the LCD display was not ordered. Who can get it? - HCBBS Forum
55. The function of the loose point - HCBBS Forum
56. Is there a maximum thickness for the insulation layer? ! - HCBBS Forum
57. Operators must work with valid certificates - HCBBS Forum
58. The function of the high-pressure oil pump in a rod mill (prize for replies) - HCBBS Forum
59. Sealing structure in the piston cylinder of a reciprocating compressor and its explanation? - HCBBS Forum
60. Factors affecting the accuracy of flowmeters used to measure its volume flow - HCBBS Forum
61. 【Daily Question】Chemical Engineering Principles 113: Gas Binding Phenomenon (July 18) - HCBBS Forum
62. What is the difference between the general level and the expert level in calculating heat exchangers? - HCBBS Forum
63. Application of suspended-bed hydrogenation technology in refinery retrofitting - HCBBS Forum
64. Abnormal feedback from the switch - HCBBS Forum
65. What kind of pump is suitable for transporting turbine oil containing iron filings? - HCBBS Forum
66. Recruiting part-time professional engineers in oil processing - HCBBS Forum
67. Will Fenton oxidation counteract the anaerobic reaction? - HCBBS Forum
68. I have a few questions for all the sea friends - HCBBS Forum
69. How is the low-pressure exhaust gas from the device effectively recovered and utilized? - HCBBS Forum
70. Is there any quick method to prevent phosphoric acid corrosion of aluminum alloys? - HCBBS Forum
71. 【Daily Question】July 21 – Question on the efficiency of centrifugal pumps (+2 for the first 100 participants, +3 to +8 for correct answers).. - HCBBS Forum
72. The low-pressure steam pressure of urea high pressure is higher than the designed control value - HCBBS Forum
73. What should be noted when using a pipette to dispense a solution? - HCBBS Forum
74. What kind of pump is used to transport bromine? - HCBBS Forum
75. Extraction of tin from sodium stannate by electrowinning - HCBBS Forum
76. Major hazard source assessment - HCBBS Forum
77. relay tube - HCBBS Forum
78. Seeking advice on temperature control systems! ! ! Urgent~~~~~~~~~ - HCBBS Forum
79. Coiled tube heat exchanger - HCBBS Forum
80. Who makes PVC ton bag equipment? - HCBBS Forum
81. Everyone, please help me take a look - HCBBS Forum
82. How is a variable-frequency pump represented on a PID diagram? - HCBBS Forum
83. What material should be used for the stirrer in sulfuric acid reactors? - HCBBS Forum
84. Temperature control system... Experts, help! ! ! - HCBBS Forum
85. New characteristics of modern processing technologies for graphite products - HCBBS Forum
86. Regarding the limit setting of the central oxygen flow control valve - HCBBS Forum
87. Is it a serious mistake that no specifications are provided for the airtightness test of liquefied petroleum gas cylinders? - HCBBS Forum
88. In low-temperature plasma waste gas treatment equipment, how can one determine the quality of the key components? I would appreciate it if experts could offer some guidance. Thank you in advance - HCBBS Forum
89. The purpose of using pressurized distillation in the distillation tower - HCBBS Forum
90. Sign-in record post from July 25, 2015 - HCBBS Forum
91. After the centrifugal fan is started, the current is high and the flow rate does not reach the required level - HCBBS Forum
92. Please recommend some books on the control principles of centrifugal compressors - HCBBS Forum
93. A question on extracting professional knowledge - HCBBS Forum
94. BAF – Biological Aerated Filter; could someone please explain it? - HCBBS Forum
95. 【Daily Question】Question from Issue 150727 - HCBBS Forum
96. Does anyone have P&ID legends that meet the DIN standard ISO requirements? - HCBBS Forum
97. Mettler weighing instruments - HCBBS Forum
98. Is it required to publish a paper in order to obtain an intermediate professional title in Shanghai? - HCBBS Forum
99. What determines the arsenic content in catalytic gasoline? - HCBBS Forum
100. How to use the 3051 differential pressure transmitter for measuring negative pressure, and how to set up the 375 handheld controller? Clarify doubts! - HCBBS Forum