English — Forum #723 (Page 226/642)

1. Backflow method - HCBBS Forum
2. Safety Technology Exchange Edition: Daily Question (2016.6.29) - HCBBS Forum
3. 【Daily Question】Deep Processing 20160629 Multiple Choice: The principle of the glass plate level gauge is ( ) - HCBBS Forum
4. How to solve the problem of poor cooling efficiency in circulating water systems during summer? - HCBBS Forum
5. Gasoline always remains at the bottom of the gasoline hydrodesulfurization tower - HCBBS Forum
6. Seeking help: Selection of material for safety valves for hydrogen sulfide gas - HCBBS Forum
7. Does anyone actually know whether coke oven gas and waste gas are the same? - HCBBS Forum
8. There’s no work in the processing field anymore; should I switch to work in water supply and drainage? - HCBBS Forum
9. A warm welcome to Wang Tianze joining the operations team. - HCBBS Forum
10. Safety Technology Exchange Edition: Daily Question (2016.6.30) - HCBBS Forum
11. 【Daily Judgment NO.46】June 25, 2016 - HCBBS Forum
12. Problems with the asco solenoid valve - HCBBS Forum
13. How should one prepare for the professional certification exam for the first time? - HCBBS Forum
14. Do anyone know what the red substance is that results from the combustion of yellow phosphorus? - HCBBS Forum
15. Accuracy of online monitoring - HCBBS Forum
16. 【Call for Entries】Photos and quotes on the theme of \"Energy Conservation, Environmental Protection, and Green Development\" - HCBBS Forum
17. Is the bignonia harmful to the kapok tree? - HCBBS Forum
18. 【Purification Daily Question】June 24, 2016 - HCBBS Forum
19. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 37 - HCBBS Forum
20. Selection of dimensional parameters for the biconical seal structure - HCBBS Forum
21. Treatment of acid wastewater from coal-based ethylene glycol production*ao - HCBBS Forum
22. Compressor radial bearing lubricant - HCBBS Forum
23. The Evergreen Series: What is the minimum standard for a cable (motor) to be able to transmit electricity? - HCBBS Forum
24. Can PROII simulate petroleum cracking? - HCBBS Forum
25. 【Weekly Topic】【Engineering Version 20160627】 - HCBBS Forum
26. Fixed bed, offset flow, channeling flow - HCBBS Forum
27. Aspen simulation help request - HCBBS Forum
28. What are the reasons for the increase in actinomycetes? - HCBBS Forum
29. How to remove static from blankets? - HCBBS Forum
30. How to configure the addition of analog inputs on the wcc+s7300 - HCBBS Forum
31. Does anyone know anything about street lights? I have a question regarding layout - HCBBS Forum
32. 【Introduction to Rio Olympic Events】 – Swimming Competitions - HCBBS Forum
33. Seeking review materials for the professional foundation section - HCBBS Forum
34. What are the differences between eight-character blind plates, split blind plates, and ordinary blind plates? ? - HCBBS Forum
35. 【First-Class Constructor Project Management Practice Questions】017 Formulation of Construction Safety Measures - HCBBS Forum
36. The most comprehensive industry chain diagram for the petrochemical sector – from raw materials to finished products, all in one place! - HCBBS Forum
37. Has anyone conducted research on oil-based needle coke? - HCBBS Forum
38. By the shores of Lake Baikal - HCBBS Forum
39. Who has information on registered chemical engineers? - HCBBS Forum
40. Interpretation of chain logic - HCBBS Forum
41. Things About Safety Officers 2 – Is the bonus coefficient for safety officers reasonable? - HCBBS Forum
42. Material of the oil scraping component in horizontal compressors - HCBBS Forum
43. 【Weekly Topic】【Storage & Transportation Version 20160616】 - HCBBS Forum
44. Problems with copper tube aluminum fin heat exchangers - HCBBS Forum
45. Indirect heating furnace for pyrolysis gas - HCBBS Forum
46. 【First-Class Constructor Project Management Practice Questions】022 Construction Management – General Contracting Management Model - HCBBS Forum
47. I lost my basic exam score report. What should I do? - HCBBS Forum
48. Cannot post messages - HCBBS Forum
49. Hydrocarbon dehydration - HCBBS Forum
50. Who has the contact information for SOR, Dynisco, or WIKA? Please help provide it. - HCBBS Forum
51. Straight pipe friction loss - HCBBS Forum
52. When posting in IE8, an error of “No title or content entered” appears! - HCBBS Forum
53. Treatment of high-concentration sodium sulfate wastewater - HCBBS Forum
54. An error message for ECS700 - HCBBS Forum
55. That’s what I mean by asking for help from all the masters for gaskets. - HCBBS Forum
56. Be careful of mouse hand when using a computer - HCBBS Forum
57. Seeking help with SV30 - HCBBS Forum
58. 【Daily Question】Deep Processing 20160611 Multiple Choice: Which of the following is a continuous filter? ( ) - HCBBS Forum
59. Differential pressure transmitter issues - HCBBS Forum
60. The central air conditioning in the control room has poor cooling performance - HCBBS Forum
61. Catalyst regeneration: bridging of slanted tube catalysts - HCBBS Forum
62. Contact information for the Petrochemical Technology Department of Liaohe - HCBBS Forum
63. What are good methods for preventing pipe freezing in cold regions, such as Heilongjiang? ? - HCBBS Forum
64. Minor issues with the fuel system - HCBBS Forum
65. **Furan exhaust treatment - HCBBS Forum
66. 【First-Class Constructor Project Management Practice Questions】020 Work Defect Liability Period - HCBBS Forum
67. Pipe welds - HCBBS Forum
68. A vagrant asks you for a drink; shall you give it to him? - HCBBS Forum
69. Design standards for rotating pressure vessels under internal pressure? - HCBBS Forum
70. 【Micro-fiction】Such “smartness”” - HCBBS Forum
71. Regarding ‘illegal content’ in historical posts” - HCBBS Forum
72. Several parameters of centrifugal compressors - HCBBS Forum
73. 【First-Class Constructor Project Management Practice Questions】010 - HCBBS Forum
74. Issues with shipping refined oil in summer - HCBBS Forum
75. Centrifugal pump: high outlet pressure but no flow rate at the outlet. What’s the reason? - HCBBS Forum
76. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 22 - HCBBS Forum
77. 【Euro Cup Big Bet】Group 04 match: Wales vs Slovakia - HCBBS Forum
78. Sign-in record post dated June 14, 2016 - HCBBS Forum
79. Drafting a conical section with straight edges? - HCBBS Forum
80. Can the SH3407 and HG20631 standards be matched? - HCBBS Forum
81. 【Daily Judgment NO.34】June 13, 2016 - HCBBS Forum
82. 【Daily Topic】【Electrical Edition 20160611】 - HCBBS Forum
83. @Summary of Appreciations for ZDL1966 Haiyou Series Bonsais - HCBBS Forum
84. Where did the Birmingham gauge come from, in which book or standard? - HCBBS Forum
85. 19. Measures taken by the vane separator to address the problem of extensive ice formation on the ground surrounding the cooling tower in winter - HCBBS Forum
86. Reasons for reduced flow and lower motor current in multi-stage centrifugal pumps - HCBBS Forum
87. 【Weekly Topic】【HVAC Version 20160614】 - HCBBS Forum
88. Details determine success or failure! World-class safety standards in construction abroad! - HCBBS Forum
89. Help needed - HCBBS Forum
90. Cameron centrifugal compressor information - HCBBS Forum
91. Analysis of electrolyte contents (sodium chloride, sodium chlorate, sodium hypochlorite) - HCBBS Forum
92. Oil pump design - HCBBS Forum
93. Are combustible gas alarms installed in the chemical warehouse? - HCBBS Forum
94. Regarding the pressure transmitter response time - HCBBS Forum
95. Does anyone know anything about the comprehensive utilization of magnesium sulfate and ferrous sulfate? - HCBBS Forum
96. How to treat high-temperature and high-pressure water before discharging it - HCBBS Forum
97. Who needs Safety Month the most? - HCBBS Forum
98. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 02 - HCBBS Forum
99. Measures to prevent air ingress in self-priming pumps, understood in seconds - HCBBS Forum
100. Problem of regulating the return water pressure for circulating water - HCBBS Forum