English — Forum #723 (Page 52/642)

1. Leak testing of shell and tube heat exchangers - HCBBS Forum
2. Address issues encountered during FF instrument replacement - HCBBS Forum
3. Safety Stories Around Me 05------It’s Not Safe to Operate Valves with Your Feet - HCBBS Forum
4. Do companies that provide cafeteria management services need to have a certain qualification level? - HCBBS Forum
5. How can I determine the appropriate fire safety distance between a foam station and surrounding facilities? - HCBBS Forum
6. Pricing for the purchase of instruments and meters - HCBBS Forum
7. Problems with steam traps - HCBBS Forum
8. Why are there only three pages of standards for foundation bolts? I earnestly beg experts to share the complete version - HCBBS Forum
9. Please, experts, let me know! ~ - HCBBS Forum
10. How to detect differences in material surface energy? - HCBBS Forum
11. Seeking help with material separation - HCBBS Forum
12. What causes sudden fluctuations in current when starting a 10KV motor? - HCBBS Forum
13. Issues regarding compressor packing - HCBBS Forum
14. Requirements for the vent pipe of the steam collection header - HCBBS Forum
15. Problems with biomass gasifiers - HCBBS Forum
16. Can a 16-kilogram flange be made from Q235B steel plate? - HCBBS Forum
17. How to prevent the problem of easy erosion of the pipe walls in gas-liquid mixing pipelines - HCBBS Forum
18. The 5th Sino-US Dialogue on Work Safety and Occupational Health was held in Beijing - HCBBS Forum
19. Inquire about boiler prices - HCBBS Forum
20. Test questions - HCBBS Forum
21. Horizontal diaphragm air tank - HCBBS Forum
22. Are there any spacing requirements between ordinary medium conduit trenches and cable trenches? ? Can it cross? ? Can they be used together? ? What is the basis? - HCBBS Forum
23. I knocked over a water cup yesterday! - HCBBS Forum
24. 【State-owned Enterprise】Recruitment Notice 2016 for Shanghai Liming Resource Recycling Co., Ltd - HCBBS Forum
25. The calendar has arrived; hurry up and crack the egg - HCBBS Forum
26. Kill the donkey after it’s been used for plowing - HCBBS Forum
27. Design institute transfers to environmental protection - HCBBS Forum
28. :) - HCBBS Forum
29. Who has CAD? - HCBBS Forum
30. Leave a mark on the gates of hell — December 11, 2016! - HCBBS Forum
31. The rake-type soot blower uses compressed air; what are the size of the accompanying air compressor and air tank? - HCBBS Forum
32. May I ask whether the hot water control valve, when used to regulate flow, can maintain a constant pressure difference before and after it? - HCBBS Forum
33. Common faults of electromagnetic flowmeter controllers and troubleshooting methods - HCBBS Forum
34. For energy-saving, environmentally friendly sewage pumps, Shanghai Kaitai Pump Industry is the top choice - HCBBS Forum
35. Carbon dioxide flooding - HCBBS Forum
36. Has there been any recovery involving ethanethiol and ethyl sulfide? - HCBBS Forum
37. What are the main fire-fighting equipment used in chemical manufacturing enterprises? How to arrange it - HCBBS Forum
38. Case Studies of Boiler Operation Accidents--2 - HCBBS Forum
39. Sodium hypochlorite washing gas - HCBBS Forum
40. Daily Water Treatment Question (12.17) - HCBBS Forum
41. Report quickly so the popularity goes up - HCBBS Forum
42. Sign-in record post dated December 15, 2016 - HCBBS Forum
43. Sliding thrust bearing type - HCBBS Forum
44. Should a flare be installed on LPG full-pressure spheres? - HCBBS Forum
45. Emergency response for fire foam systems - HCBBS Forum
46. Compound fertilizer design - HCBBS Forum
47. An couplet encountered while visiting Rongsu Island - HCBBS Forum
48. How is the temperature drop of gas as it passes through a pipe calculated? ! - HCBBS Forum
49. Abnormal reverse temperature rise of sulfur. What causes it? Please give me some advice! - HCBBS Forum
50. Origin of Redux’s semi-empirical formula - HCBBS Forum
51. Regarding the issue of adjusting the oxygen content in Tower 1 for crude argon? - HCBBS Forum
52. Tank material extraction - HCBBS Forum
53. Selection of level gauges with high viscosity - HCBBS Forum
54. Which one to choose for pipeline inspection guidelines? - HCBBS Forum
55. Regarding the acceptance test of the pump - HCBBS Forum
56. Hydrogen production plant - HCBBS Forum
57. 【12-12】Daily Occupational Health Quiz - HCBBS Forum
58. Where is the most popular tourist destination among everyone? - HCBBS Forum
59. 【Haichuan Chemical Industry News】Sinopec’s smart factory pilot project passes headquarters approval - HCBBS Forum
60. Guess what device is in the picture below - HCBBS Forum
61. Are there any requirements regarding levelness for the support rings of a packed tower? - HCBBS Forum
62. Sign-in record post dated December 17, 2016 - HCBBS Forum
63. Repair of pressure vessels made from foreign standard materials - HCBBS Forum
64. 2016’s Top Richest Entrepreneurs Under 40 in the U.S.: Kobe and LeBron on the List - HCBBS Forum
65. 　The 3rd Go World Lark Cup Final takes place from the 14th to the 17th - HCBBS Forum
66. How much does RPTFE shrink with temperature? - HCBBS Forum
67. Environmental protection drill - HCBBS Forum
68. Formaldehyde waste gas - HCBBS Forum
69. Some standards & specifications related to the automation control field - HCBBS Forum
70. Do ASME B16.9 fittings refer to welded or seamless ones? Or should there be no distinction between seamless and wired? - HCBBS Forum
71. Three major quality systems - HCBBS Forum
72. My great Wei Shao, you’re amazing - HCBBS Forum
73. Control parameters for circulating water in petrochemical enterprises - HCBBS Forum
74. The voltage reads 10V when the 24V TOPWORX proximity switch is not in the closed state, which causes the PLC to think it is in the closed position – what is the problem? - HCBBS Forum
75. 【12-11】Daily Question for Occupational Health Edition - HCBBS Forum
76. Is it still necessary to retain traditional concrete chimneys after installing wet flue gas desulfurization in a catalytic cracking unit? - HCBBS Forum
77. Is the rocket improving? Eight consecutive wins in a row – does this indicate that the Rockets have the strength to compete with top-tier teams? - HCBBS Forum
78. Reasons for the rapid increase in the exhaust gas parameter NO - HCBBS Forum
79. Information related to the tower-type continuous production process for chloromethylethyl ether - HCBBS Forum
80. Environmental Protection Daily Question (12.16) - HCBBS Forum
81. 【Equipment Reliability Improvement】Replaced the packing seal with a ceramic seal to address seal leakage in the acrylic acid stock pump - HCBBS Forum
82. Daily Water Treatment Question (12.10) - HCBBS Forum
83. Signing of PPP agreement for 2 million tons of coal-to-oil production project in Guizhou worth 7 billion yuan - HCBBS Forum
84. Technical exchange, problem analysis, experience sharing - HCBBS Forum
85. [Daily Question] 20161212 Fill-in-the-blank question: The catalyst regeneration temperature for the reaction is at ( )； Pressure of the two devices is set as…… - HCBBS Forum
86. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； December 14th - HCBBS Forum
87. About the stock market - HCBBS Forum
88. Hydrogen production by methanol cracking - HCBBS Forum
89. Do you think golden eggs should exist? - HCBBS Forum
90. Valves for liquid ammonia pipelines, 1500 pounds rating – which brand offers better quality for ball valves and globe valves? - HCBBS Forum
91. How to remove the sublimed sulfur vaporized from the vent pipes of the large liquid sulfur tank - HCBBS Forum
92. The ABB vortex flowmeter shows large fluctuations all the time; from which aspects should the problem be investigated? - HCBBS Forum
93. Stepless airflow adjustment Pipeline vibration - HCBBS Forum
94. Safety inspectors, first of all, you need to study the law thoroughly! Advice from a lawyer…… - HCBBS Forum
95. Adjustment of the axial shift in multi-stage centrifugal pumps? - HCBBS Forum
96. Impact of increasing the heat exchange area (without process fluid adjustment)! - HCBBS Forum
97. Utility model patent - HCBBS Forum
98. If the pipe weld is too large, can the gap be reduced using arc welding before performing the surface welding? - HCBBS Forum
99. Sign in - HCBBS Forum
100. 【12-9】Daily Question for Occupational Health Edition - HCBBS Forum