English — Forum #723 (Page 346/642)

1. Sometimes, luck is very important! - HCBBS Forum
2. What should everyone do if the radar cable breaks? - HCBBS Forum
3. The technology for synthesizing methanol from carbon dioxide helps turn wind-powered hydrogen production from a dream into reality - HCBBS Forum
4. How to confirm that the dust collector’s ash has been emptied - HCBBS Forum
5. Is there any teacher who is familiar with the production of ascorbyl palmitate? - HCBBS Forum
6. Are all pumps that use a 54 flushing scheme equipped with double-end face seals? ? ? - HCBBS Forum
7. Who is the ultimate responsible party - HCBBS Forum
8. What problems occurred during the furnace drying process? - HCBBS Forum
9. Differences between industrial hygiene and occupational health in China and the United States - HCBBS Forum
10. Educational and entertaining safety promotional materials == Sun Wukong vs. Red Boy - HCBBS Forum
11. E+H - HCBBS Forum
12. 【Daily Topic】【Electrical Edition 20160301】 - HCBBS Forum
13. What basic instruments are required for strain cultivation experiments (in wastewater treatment)? - HCBBS Forum
14. Change the environment - HCBBS Forum
15. When signing target responsibility agreements, it is necessary to avoid following the same old approaches despite having new methods available” - HCBBS Forum
16. Can the hand valve upstream of the safety valve be omitted? - HCBBS Forum
17. 【Active Participation for Joint Improvement 2.25-3.2】Participation: +2 to Wealth, +3~10 to Correct Wealth - HCBBS Forum
18. What impact will the use of normal steam as a catalytic cracking terminator have on stable gasoline? ? - HCBBS Forum
19. Determination of the thickness of blind plates for pipeline pressure testing - HCBBS Forum
20. Is it a good idea to go to training classes? - HCBBS Forum
21. Seeking help with gas chromatography issues! ! ! - HCBBS Forum
22. Has anyone started reading for the 2016 First-Class Constructor (Mechanical and Electrical) exam? - HCBBS Forum
23. 【Weekly Topic】【HVAC Edition 20160222】 - HCBBS Forum
24. Feasibility of using pre-coated burners in GE gasification - HCBBS Forum
25. How to treat the welds of process pipelines using pickling paste? Urgent! - HCBBS Forum
26. In the future, cervical spondylosis and mouse hand syndrome may be included as recognized occupational diseases - HCBBS Forum
27. Pressurizer seal air - HCBBS Forum
28. 【Joint Study*】【Civil Engineering Version 20160227】 - HCBBS Forum
29. A 1-meter-wide belt conveyor is installed on the top of the tent; the transport capacity is 100 tons per hour, for dry sand - HCBBS Forum
30. Looking for information on the custom function blocks of Shenmu ITCC 1131? - HCBBS Forum
31. Management of safety and environmental hazards - HCBBS Forum
32. Selection of the low-flow line after the pump and valves - HCBBS Forum
33. Discussion on catalyst drying pressure? - HCBBS Forum
34. Seek liquid chlorine storage tank level gauge - HCBBS Forum
35. Positive logic versus negative logic: the differences between national standards and industry standards - HCBBS Forum
36. Recycling of steam condensate? - HCBBS Forum
37. 【Daily Question No. 119】February 23, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
38. Requirements regarding the qualifications of design institutes and designers for oil refining plant design - HCBBS Forum
39. 【Prize Contest】Refinery Tracking Series Posts - HCBBS Forum
40. “A series of events titled “Talking about My Alma Mater” – The century-old school CDPC! - HCBBS Forum
41. 【Joint Study*】【Electrical Version 20160221】 - HCBBS Forum
42. Reasons for fluctuations in the flow rate of Klaus acid gas - HCBBS Forum
43. 【Joint Study*】【Electrical Version 20160229】 - HCBBS Forum
44. What material is most suitable for hydrogen fluoride valves? - HCBBS Forum
45. Renovation of Qinghua coal-to-gas equipment significantly reduces component wear - HCBBS Forum
46. Seek maintenance plan for liquefied gas cylinders - HCBBS Forum
47. Tasks required for workshop equipment management - HCBBS Forum
48. Operation of the slurry system - HCBBS Forum
49. 【Basic Knowledge Activity】Professional \"Basic Knowledge\" in the petrochemical industry: What are the indicators used to assess gasoline stability? - HCBBS Forum
50. 【Basic Knowledge of Occupational Health】Occupational Health Surveillance - HCBBS Forum
51. Why does the diaphragm break when the handwheel of a diaphragm metering pump is turned up? - HCBBS Forum
52. 【Weekly Topic】【Storage & Transportation Edition 20160222】 - HCBBS Forum
53. 【Daily Topic】【Quality Version 20160303】 - HCBBS Forum
54. Regarding the vibration level issue of the turbine, I hope fellow sailors can help. - HCBBS Forum
55. Regarding mixed refrigerants - HCBBS Forum
56. 【Weekly Topic】Petrochemical Deep Processing Section – Week 8 of 2016. The New Year is over and work has resumed; let’s talk about the challenges encountered in work and life - HCBBS Forum
57. 【Joint Study*】【Civil Engineering Version 20160224】 - HCBBS Forum
58. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 451 - HCBBS Forum
59. Who are the key figures in ensuring safe production? - HCBBS Forum
60. Seeking guidance! How to test the MIC of methyl isocyanate? Have you used the corresponding gas detector? - HCBBS Forum
61. One question per day – come and answer it to win rewards; in-depth discussions are fascinating； Question 257 - HCBBS Forum
62. How to use proII to simulate the MEDA regeneration unit? - HCBBS Forum
63. Regarding **standards and industry norms - HCBBS Forum
64. I would like to ask which brand is better for steam flow meters - HCBBS Forum
65. Steel pipes specified in API5L are required to meet NACE MR-0175. May I ask whether the tests specified in NACE MR-0175 are mandatory? - HCBBS Forum
66. 【Basic Knowledge Activity】Professional “Basic Knowledge” in the petrochemical sector: What is ash content in crude oil? - HCBBS Forum
67. Why is the sulfur dioxide level so high - HCBBS Forum
68. Separation and recovery of hydrogen chloride and sulfur dioxide mixed gas - HCBBS Forum
69. Problems related to rust removal and repainting using refined oil pipelines……………… - HCBBS Forum
70. APP usage - HCBBS Forum
71. Rosemount 3051 - HCBBS Forum
72. A low-range flow meter for measuring the reflux flow rate in a reaction kettle - HCBBS Forum
73. *ao acid GANYOU production process flow - HCBBS Forum
74. 【Joint Study*】【Civil Engineering Version 20160301】 - HCBBS Forum
75. Regarding the joint inspection form for special care of the unit - HCBBS Forum
76. 【Daily Question No. 125】March 02, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
77. 【Daily Topic】【Civil Engineering Version 20160224】 - HCBBS Forum
78. Faults and maintenance of the motor bearing section - HCBBS Forum
79. 【Weekly Topic】【HVAC Version 20160301】 - HCBBS Forum
80. What is the diesel cold filter point related to? - HCBBS Forum
81. In the pressure vessel design procedure, there is an application for the use of a design approval stamp. Who should be this applicant? - HCBBS Forum
82. Torch water seal tank - HCBBS Forum
83. 【Joint Study*】【Civil Engineering Version 20160226】 - HCBBS Forum
84. Looking for the catalytic cracking operating procedures of CNPC or Sinopec - HCBBS Forum
85. Environmental Protection Tip of the Day 2.27: Reward for participation, plus 5 more points for answering correctly - HCBBS Forum
86. Pressure testing of fixed-tube-sheet heat exchangers - HCBBS Forum
87. Good mood - HCBBS Forum
88. Flammable gas alarm testing agency - HCBBS Forum
89. The issue of gasoline hydrogenation - HCBBS Forum
90. 【Daily Topic】【Electrical Edition 20160304】 - HCBBS Forum
91. Specifications for the scope of supervision! - HCBBS Forum
92. Why are some security experts hindsight thinkers - HCBBS Forum
93. What is the opening pressure of a 16bar check valve? - HCBBS Forum
94. Calculation of tubular heating furnaces - HCBBS Forum
95. Management of equipment decommissioning - HCBBS Forum
96. Sign-in record post from February 25, 2016 - HCBBS Forum
97. How to calculate external pressure vessels using SW6-2011 - HCBBS Forum
98. Friends who took the 2016 Registration and Qualification Examination - HCBBS Forum
99. Orifice plate calculation sheet - HCBBS Forum
100. 【Daily Question】Chemical Engineering Principles 334: Determination of Water Alkalinity (March 4) - HCBBS Forum