English — Forum #723 (Page 147/642)

1. General technical requirements for low-voltage automatic transfer devices in low-voltage switchgear - HCBBS Forum
2. A Brief Discussion on the Construction of Corporate Safety Culture and Related Considerations - HCBBS Forum
3. Double-flange differential pressure level gauge - HCBBS Forum
4. How to mark welded pipes and seamless pipes on drawings - HCBBS Forum
5. New **standard “Industrial Sulfur” GB/T2449.1-2014 - HCBBS Forum
6. Safety technology exchange daily question (2016.9.7) - HCBBS Forum
7. 【Daily Topic】【HVAC Version 20160919】 - HCBBS Forum
8. (Analysis of work-related injury cases) If an injury occurs before formal employment, is it considered a work-related injury? - HCBBS Forum
9. 【Q&A Question 148】2016.09.15 - HCBBS Forum
10. 【Weekly Topic】【Quality Version 20160912】 - HCBBS Forum
11. Reasons for the effect of phenols on thiol detection during doctoral experiments [Please transfer management to the chemical analysis section, thank you] - HCBBS Forum
12. 【Haichuan Food Q&A】01 Is there a difference between fried peanut kernels and roasted peanut kernels? - HCBBS Forum
13. 【Daily Topic】【Production Version 20160912】 - HCBBS Forum
14. Are there any reliable vacuum pump manufacturers? - HCBBS Forum
15. Explosion detection for 94% sulfuric acid storage tank - HCBBS Forum
16. Haichuan Chemical Forum---Prosperity Across the World? - HCBBS Forum
17. True or False Question - HCBBS Forum
18. 【Daily Topic】【Production Version 20160908】 - HCBBS Forum
19. Is it better to use domestic or imported refrigerated containers? - HCBBS Forum
20. Is the leakage level related to cavitation? - HCBBS Forum
21. Environmental Protection Daily Post – September 15: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
22. Issues regarding hazardous operation permits under the Jiangsu Province Work Safety Regulations - HCBBS Forum
23. Haichuan Forum APP - HCBBS Forum
24. The pH value of the boiler water is even lower than that of the feedwater - HCBBS Forum
25. Why does the longer the ion exchange column resin is left after regeneration, the longer its operational life once it is put into use? - HCBBS Forum
26. 【Daily Topic】【Engineering Version 20160909】 - HCBBS Forum
27. Propane - HCBBS Forum
28. Trichlorosilane - HCBBS Forum
29. Calculation of fire-fighting water volume for tank farms - HCBBS Forum
30. Steam cylinder safety valve calculation - HCBBS Forum
31. Why is the catalyst loss in catalytic cracking higher after maintenance than before? - HCBBS Forum
32. What are the advantages of using level-flow cascade control for the stripper level compared to separate level control? - HCBBS Forum
33. Responsibility, self-protection, seeking help - HCBBS Forum
34. Autumn with hairy crabs is complete; it’s shameful to serve them only steamed! - HCBBS Forum
35. I hope experts can explain the current landscape of the domestic canned motor pump market - HCBBS Forum
36. As the owner, can they keep real-time track of the equipment manufacturing progress at any time and in any place? - HCBBS Forum
37. Looking for PLC programming materials for beginners - HCBBS Forum
38. Is corrosion more likely to occur at low temperatures or at high temperatures in pipes? - HCBBS Forum
39. In the acid-added electrolysis process, what is the purpose of mixing a portion of the refined saturated brine at the electrolyzer inlet with the fresh brine? - HCBBS Forum
40. GBT 32660.2-2016 Metallic materials – Vickers hardness test – Part 2: Inspection and calibration of hardness testers - HCBBS Forum
41. 【Daily Topic】【Electrical Edition 20160910】 - HCBBS Forum
42. Regarding the issue of the minimum nominal thickness for SW6-2011 - HCBBS Forum
43. Free water in wet hydrogen sulfide corrosion - HCBBS Forum
44. The issue of safety distance - HCBBS Forum
45. Dry gas desulfurization tower with liquid present - HCBBS Forum
46. Which domestic companies are good at producing low-temperature valves? - HCBBS Forum
47. Pipeline cleaning - HCBBS Forum
48. As a girl, I don’t know why I have bad breath; it really feels so unfair! - HCBBS Forum
49. Chemistry Examination - HCBBS Forum
50. Packaging of heat exchangers - HCBBS Forum
51. Propane dehydrogenation trace water analysis instrument - HCBBS Forum
52. Zhangjiagang Ruineng Ultrasonic Petrochemical Catalytic Coking - HCBBS Forum
53. Interpretation of the concept of safety culture - HCBBS Forum
54. [Q&A Question 145] 2016.09.12 - HCBBS Forum
55. Tasting | The story is short, but its meaning is profound! 2016.9.9 - HCBBS Forum
56. Which member has a list of suppliers approved by Sinopec and CNPC for major instrumentation items? I really need it urgently - HCBBS Forum
57. 【Daily Topic】【Production Version 20160914】 - HCBBS Forum
58. What is the typical flue gas temperature in the smoke exhaust ducts of a 6.25-meter coke oven? - HCBBS Forum
59. Dry quenching coke JLRS560D radar level gauge - HCBBS Forum
60. What is the method for evacuating the bottom of a negative pressure tower using a pump? - HCBBS Forum
61. R-HIC and HIC - HCBBS Forum
62. Is there any difference between ER308 welding wire and H08Cr21Ni10 welding wire? - HCBBS Forum
63. Does turbine 505 show that two speed signals have disappeared? - HCBBS Forum
64. 【Daily Topic】【Civil Engineering Version 20160909】 - HCBBS Forum
65. 2016 Union Records of the Refining Division: Difficulties and Demands - HCBBS Forum
66. Shanghai Xingshen UHZ-517 series magnetic flap liquid level transmission manual - HCBBS Forum
67. Why must one strive to study hard? - HCBBS Forum
68. What are the review and acceptance steps involved in the construction of new petrochemical projects, from the feasibility study stage to the final payment, and what role do the three inspections and four determinations play? - HCBBS Forum
69. 【Q&A Question 150】2016.09.17 - HCBBS Forum
70. LPG desulfurization - HCBBS Forum
71. 【Picture of the Day】2016 09 21 Which component of a compressor is shown in this image? - HCBBS Forum
72. Issues related to the force exerted by pipes on devices in CaesarII! - HCBBS Forum
73. 【Let’s play a little game】【Spending is over】Wish everyone a healthy Mid-Autumn Festival - HCBBS Forum
74. Implementation of safety production risk deposit for enterprises - HCBBS Forum
75. Recommended platforms - HCBBS Forum
76. The role of wealth value - HCBBS Forum
77. Shenghong Petrochemical – Jiangsu Sierbang Petrochemical Co., Ltd.: Recruitment for Chief Safety Engineer - HCBBS Forum
78. Thinking about those two strange issues with the gauge valves~~~~~ - HCBBS Forum
79. 【Listing】Beijing Nengneng Technology is recruiting talents in R&D, design, sales, and other fields - HCBBS Forum
80. 【Daily Topic】【Electrical Edition 20160915】 - HCBBS Forum
81. A colleague came up with a question about a cyclic hydrogen compressor...? ! - HCBBS Forum
82. Fluoride coating for fasteners - HCBBS Forum
83. Sinopec’s first LNG project terminal enters full operational phase - HCBBS Forum
84. Precautions after the new ion exchange membrane is put into use - HCBBS Forum
85. Isoprene rubber antioxidant - HCBBS Forum
86. 【Picture of the Day】2016 09 08 What is the device in this picture? - HCBBS Forum
87. If you could go back to before the accident, would you be willing to master these 4 skills? - HCBBS Forum
88. Answers to questions about steam turbines, centrifuges, and screw compressors - HCBBS Forum
89. 【Picture of the Day】2016 09 09 What type of valve is shown in this image? - HCBBS Forum
90. I’m seeking advice from experts regarding the design of fuel boilers - HCBBS Forum
91. What are the special requirements for graphite packing in oxygen valves? - HCBBS Forum
92. Mixed gas flow rate - HCBBS Forum
93. A mobile app for discussing safety in production – learning and exchange* - HCBBS Forum
94. Question regarding the factors affecting the dry point of naphtha in the overhead reflux tank of the hydrocracking fractionation tower? - HCBBS Forum
95. Principles for selecting pumps - HCBBS Forum
96. What is the approximate total EPC cost for hydrogen production via methanol cracking at 3000 Nm3/h? - HCBBS Forum
97. Drinking water made from sewage – would you dare to drink it? - HCBBS Forum
98. What is the integrity of the pressure boundary of a valve? - HCBBS Forum
99. Environmental Protection Daily Tip – September 14: Reward for participation; an additional 5 points for answering 3 questions correctly - HCBBS Forum
100. 【Daily Topic】【Engineering Version 20160916】 - HCBBS Forum