English — Forum #723 (Page 244/642)

1. Why are no seat belts provided on high-speed train seats - HCBBS Forum
2. What are the advantages of installing a heat exchanger at an angle? - HCBBS Forum
3. Carbon monoxide – level of toxicity - HCBBS Forum
4. 【Daily Question】Deep Processing 20160606 Multiple-choice Question: Which one belongs to positive displacement pumps? (　　　) - HCBBS Forum
5. PV2 exceeds the TEMA value - HCBBS Forum
6. Gasping in the tertiary steam vacuuming system - HCBBS Forum
7. Seeking advice on the liquid level control valve in Tower 1 of the urea plant, L3 - HCBBS Forum
8. Welded nozzles on the plate - HCBBS Forum
9. Safety distance between Class A and Class B factories - HCBBS Forum
10. 【Weekly Topic】【Engineering Version 20160601】 - HCBBS Forum
11. Control of dissolved oxygen levels in industrial circulating water - HCBBS Forum
12. Do stainless steel pipe filters with alkaline solutions require post-weld stress-relief heat treatment? - HCBBS Forum
13. Determination of explosion protection rating - HCBBS Forum
14. Reciprocating engine reduces exhaust volume - HCBBS Forum
15. Predict the fates of the Thunder’s two young players this summer! - HCBBS Forum
16. Summary Post on the Methanol Market Conditions and Prices in June 2016 - HCBBS Forum
17. What is the difference between the residual carbon of atmospheric residue and that of vacuum residue? - HCBBS Forum
18. 【Daily Topic】【Electrical Edition 20160606】 - HCBBS Forum
19. May overflow vents and drain valves be installed on storage tanks for Class A flammable liquids? ? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
20. Summary of Dust Explosion Prevention Specifications - HCBBS Forum
21. Regarding wet electrostatic precipitators - HCBBS Forum
22. Thoughts from thirty years ago, and thoughts from thirty years later - HCBBS Forum
23. Seek HAZOP analysis tables and methods for the inter-stage cooler of the addition cracking compressor! - HCBBS Forum
24. Questions regarding the methanol dehydration tower in low-temperature methanol washing - HCBBS Forum
25. Sales of centrifugal compressors - HCBBS Forum
26. 【Chemical Industry Information】Differences between 98-octane and 95-octane gasoline under National Standard V - HCBBS Forum
27. Seek information on the structure and operating methods of high-pressure diaphragm reciprocating pumps produced by Chongqing Water Pump Factory - HCBBS Forum
28. Is there a way to recover the electroplated copper layer from a stainless steel substrate (the copper layer accounts for 15% of the weight)? - HCBBS Forum
29. Seeking product samples for the Endress+Hauser radioactive level gauge from E+H Company - HCBBS Forum
30. How is M-bus connected to the field? - HCBBS Forum
31. Recommendation for a temperature display gauge with a built-in battery - HCBBS Forum
32. What does the acidity of the ammonium sulfate mother liquor mean? - HCBBS Forum
33. Solvent-regenerating activated carbon filter - HCBBS Forum
34. What type of heat exchanger cooling method is used in central air conditioning? - HCBBS Forum
35. Power consumption issue of reciprocating compressors - HCBBS Forum
36. When you gaze into the void, the void is also gazing at you - HCBBS Forum
37. The Leisure Zone is continuously recruiting moderators – welcome qiuyepiaopiao to join the management of the Haichuan Leisure Zone - HCBBS Forum
38. Basic knowledge of heat exchangers - HCBBS Forum
39. High-speed pump bearing housing experiences high vibration - HCBBS Forum
40. Which is the best pressure swing adsorption coconut shell columnar activated carbon? - HCBBS Forum
41. 【Daily Topic】【Engineering Version 20160606】 - HCBBS Forum
42. 【Picture of the Day】2016 05 31 What is the device in this picture? - HCBBS Forum
43. 【Weekly Topic】【HVAC Version 20160603】 - HCBBS Forum
44. Open up to oneself? - HCBBS Forum
45. Gasoline etherification unit - HCBBS Forum
46. Dear experts, I would like to ask whether Wanxiang Energy-Saving produces involute splines? - HCBBS Forum
47. 【Weekly Topic】【 Quality Version 20160601】 - HCBBS Forum
48. 【Weekly Topic】【HVAC Version 20160601】 - HCBBS Forum
49. What are the design institutes in Wuhan that specialize in environmental protection? - HCBBS Forum
50. Material composition - HCBBS Forum
51. 【Daily Topic】【Civil Engineering Version 20160601】 - HCBBS Forum
52. How to resolve inconsistencies between the ECS-700 operation station and the configuration server configuration - HCBBS Forum
53. . . . . . . . . . . . . . . . . . . . . - HCBBS Forum
54. One question per day on occupational health – May 30: Participate for a prize; 3 correct answers and you’ll get another prize - HCBBS Forum
55. Sign in Sign in - HCBBS Forum
56. Who has the 2015 version of GB/T6170, GB/T5782, GB/T5783? - HCBBS Forum
57. Formula for flow through a short tube at a moving liquid level - HCBBS Forum
58. 【Daily Topic】【Engineering Version 20160603】 - HCBBS Forum
59. 【Production and Management Division】Special Post on Wage and Bonus Disbursement in May 2016 - HCBBS Forum
60. Which is the best boiler negative pressure sensor? - HCBBS Forum
61. 【Weekly Topic】【Quality Version 20160530】 - HCBBS Forum
62. “I’m saving energy; where are you? “Petrochemical 304: Optimizing the operation of steam networks” - HCBBS Forum
63. Question about question 28 on the morning of the first day of the 2011 exam for the relevant major - HCBBS Forum
64. Design an automatic balancing device for thermal (temperature) balance or pressure balance - HCBBS Forum
65. Help, what do these terms mean? - HCBBS Forum
66. The post can’t be sent - HCBBS Forum
67. How to treat cyanide-containing wastewater (effluents)? - HCBBS Forum
68. LCC reaction pressure - HCBBS Forum
69. Number of product welding test pieces - HCBBS Forum
70. Preliminary analysis of Chinese refineries – worth paying attention to! - HCBBS Forum
71. Selection and calculation of circulation water pumps for water-cooled screw air-conditioning units - HCBBS Forum
72. Regarding fire management - HCBBS Forum
73. Talking about thermal conductivity gas analyzers - HCBBS Forum
74. GSP gasification process layout diagram - HCBBS Forum
75. Sign-in record post from June 2, 2016 - HCBBS Forum
76. I’d like to ask everyone for advice regarding my future - HCBBS Forum
77. What is the maximum flow rate for a DN15 needle valve? Urgent, need a solution! - HCBBS Forum
78. I have a question regarding cracking reactors! - HCBBS Forum
79. How to increase the extrusion speed of ultra-high molecular weight PE - HCBBS Forum
80. 【Daily Topic】【Production Version 20160602】 - HCBBS Forum
81. Instrument power calculation issue - HCBBS Forum
82. How are the valves in Yangzhong? - HCBBS Forum
83. Who should provide the orientation diagram of the pipe openings on a pressure vessel? - HCBBS Forum
84. How to obtain HaiChuan coins? - HCBBS Forum
85. Excessively high temperature in the bearing housing of the desulfurization slurry circulation pump - HCBBS Forum
86. 【Weekly Topic】【HVAC Version 20160608】 - HCBBS Forum
87. 【Weekly Topic】【HVAC Version 20160531】 - HCBBS Forum
88. 【Daily Judgment NO.29】June 8, 2016 - HCBBS Forum
89. Safe distance from the control room - HCBBS Forum
90. The Eight Scenic Spots of Pucheng - HCBBS Forum
91. 【Daily Topic】【Electrical Edition 20160531】 - HCBBS Forum
92. What does the painting section referred to in the Code for Fire Protection Design of Buildings mean? - HCBBS Forum
93. 【Daily Topic】【Engineering Version 20160609】 - HCBBS Forum
94. The current situation of the Daqing Oil Field and how to break through! - HCBBS Forum
95. 【Daily Judgment NO.30】June 9, 2016 - HCBBS Forum
96. Issues regarding the unloading process of finished automotive fuels - HCBBS Forum
97. I’m honored to serve as the official moderator for the computer section starting today. Let’s all learn and communicate together in a happy atmosphere; I hope everyone will... - HCBBS Forum
98. Is heat treatment required after heating and bending pipe? - HCBBS Forum
99. Filter cloth issue - HCBBS Forum
100. Exhaust valve and pressure relief valve - HCBBS Forum