English — Forum #723 (Page 24/642)

1. Seeking information on JBT 13630-2019 oil-free reciprocating piston helium compressors - HCBBS Forum
2. SH/T 3152-2021 Design Code for the Transportation of Powder and Granular Materials in the Petrochemical Industry - HCBBS Forum
3. Seeking help regarding CB/T 4501-2019 Standards for Identifying Potential Hazards of Major Production Safety Accidents in the Shipbuilding Industry - HCBBS Forum
4. How to deal with too low water vapor ratio - HCBBS Forum
5. New member signing up, have some questions – thank you - HCBBS Forum
6. How is the pumping volume for vacuuming calculated? - HCBBS Forum
7. Regarding the plum-blossom elastic pad of hydraulic couplings - HCBBS Forum
8. Seek the electronic version of the proceedings of the 2016 Catalytic Cracking Technology Exchange Conference - HCBBS Forum
9. The registration period has ended; there should be many people who passed this year - HCBBS Forum
10. Who has the standards for oval manholes? - HCBBS Forum
11. NB/Z 20249-2013 Guidelines for the Application of Probabilistic Safety Assessment in the Classification of Safety-Critical Instruments and Control Functions in Nuclear Power Plants - HCBBS Forum
12. Help needed - HCBBS Forum
13. Interesting palindrome couplets - HCBBS Forum
14. XF 480.2-2004 General technical requirements for fire safety signs – Part 2: Conventional fire safety signs - HCBBS Forum
15. Seek help: Selection and installation of the design for the 03K501-1 gas infrared radiant heating system - HCBBS Forum
16. My Essay on Language and Writing Standards - HCBBS Forum
17. (Genuine version) HG/T 21629-2021 Standard Drawings for Pipe Supports - HCBBS Forum
18. Q/SY 1047-2010 Guidelines for Health, Safety and Environmental Management in Oil and Gas Logging Operations - HCBBS Forum
19. Safety and Fire Safety Puzzles (12.30) - HCBBS Forum
20. Why is the pressure high in the syngas compressor - HCBBS Forum
21. Once, there was a tender for power cables in the company, and it specified intrinsically safe cables – I had no idea what that meant - HCBBS Forum
22. DB11/T 1879-2021 Guidelines for Emergency Rescue Assessment in Production Safety Accidents - HCBBS Forum
23. The difference between standard error and standard deviation - HCBBS Forum
24. Seeking advice on employee reward mechanisms - HCBBS Forum
25. DGJ 08-1987-2000 Regulations for the Construction and Acceptance of Finished and Semi-finished Products for Municipal Roads and Drainage Pipelines (with Explanations of the Provisions) - HCBBS Forum
26. What are the differences between GB28708, HG20553, and SH3405? ? ? - HCBBS Forum
27. Thank you! I passed the consulting exam, the First-Class Constructor exam, and the Certified Chemical Engineer exam this year! I’m grateful! - HCBBS Forum
28. DB34/T 1488-2020 Code for Supervision and Inspection of Pressure Pipeline Installation in Ammonia Refrigeration Systems - HCBBS Forum
29. JT/GQB 014-1973 Standard Drawings for Road Bridges and Culverts – Superstructure Elements of Beam Bridges: Safety belts, walkways, railings, expansion joints, drainage pipes, bearings - HCBBS Forum
30. Layout of SCR denitration catalyst bed - HCBBS Forum
31. What is the kickback percentage for petrochemical research projects? - HCBBS Forum
32. Help: 17S705 Sponge-type construction and rainwater control and utilization in residential areas - HCBBS Forum
33. Issues related to the operating conditions of GB/T8163 - HCBBS Forum
34. Overview of waterproof switches and installation considerations - HCBBS Forum
35. How to deal with leaks in the air-cooling tube bundle of a recovery tower - HCBBS Forum
36. 1 - HCBBS Forum
37. Sludge in the hydrogen compressor chamber - HCBBS Forum
38. Help: 09G104 Drawings for the preliminary design depth of structures in civil building projects - HCBBS Forum
39. Safety and Firefighting Puzzles (12.29) - HCBBS Forum
40. HG/T 30023-2016 Safety Technical Specifications for the Production of Low-Carbon Aliphatic Amines - HCBBS Forum
41. Recommended **standards (470 items)** are open for public comments on the National Standard Information Public Service Platform - HCBBS Forum
42. How is certification obtained after passing the registered chemical engineering exam? - HCBBS Forum
43. XF 654-2006 Fire Safety Management in Crowded Places - HCBBS Forum
44. Do spring brackets need to be calibrated regularly? - HCBBS Forum
45. Looking to buy an issue of China Petroleum and Chemical Industry, Issue 10, 2015 - HCBBS Forum
46. Suggestion — one question per week - HCBBS Forum
47. How to utilize the polyethylene glycol waste generated as a by-product of the ethylene oxide process for producing ethylene glycol - HCBBS Forum
48. Practice for half an hour every day; after 30 days, you’ll be able to have free conversations in English - HCBBS Forum
49. Environmental Protection Daily Question (12.30) - HCBBS Forum
50. NB/T 20009.35-2014 Welding materials for pressurized water reactor nuclear power plants – Part 35: Low-alloy steel electrodes for steel pressure vessels - HCBBS Forum
51. The results are in, yay! - HCBBS Forum
52. What is the operating point of a centrifugal pump? - HCBBS Forum
53. DB37/T 2464-2014 Standardization of Fire Safety in Small Commercial Establishments - HCBBS Forum
54. Urea: One Question per Week Special Thread - HCBBS Forum
55. Help needed: 18J621-3 ventilation skylight - HCBBS Forum
56. Where can I download the \"Several Provisions on Saving Land Use in the Construction of Chemical Enterprises\"? - HCBBS Forum
57. HG 3689-2000 Water-jacketed hydrogen chloride graphite synthesis furnace - HCBBS Forum
58. JB/T 9091-2012 Micro and small cleaning machines - HCBBS Forum
59. DB31/T 616-2012 Technical specifications for energy-saving retrofits of water pumps and their systems - HCBBS Forum
60. DB12/T 3027-2022 Technical Specifications for Environmental Risk Prevention and Control in Units That Store and Use Liquid Ammonia Rewards·30 Wealth· - HCBBS Forum
61. How do battery production workshops ensure cleanliness? - HCBBS Forum
62. 14 List of Cross-Operation Documents - HCBBS Forum
63. Basic exam textbook - HCBBS Forum
64. Can an ammonia pipeline be laid along the exterior wall of an office? - HCBBS Forum
65. HG∕T 5629-2019 Ultra-high molecular weight polyethylene lining plates for chemical use - HCBBS Forum
66. Seeking help with valve material code~~~ - HCBBS Forum
67. GB/T 2940-2005 Technical requirements for fuel injection pumps, governors, and injector springs for diesel engines - HCBBS Forum
68. How is a unidirectional caliper used for slit measurement? - HCBBS Forum
69. West-to-East Gas Pipeline - HCBBS Forum
70. How are pressure pipelines classified, and what are the pipeline grade codes? - HCBBS Forum
71. GB/T 16895.33-2021 Low-voltage electrical apparatus – Parts 5-56: Selection and installation of electrical equipment – Safety facilities - HCBBS Forum
72. Ortho-hydrogen conversion - HCBBS Forum
73. What is the difference between on and above? - HCBBS Forum
74. How to deal with damaged freeze-dried gas seals - HCBBS Forum
75. Seeking sharing of GB/T8110-2008 standard - HCBBS Forum
76. A brief analysis of bearing failure identification methods for metal mesh belts - HCBBS Forum
77. NB/T 20302-2014 Technical Requirements for Safety-Class Low-Voltage Three-Phase Asynchronous Motors in Nuclear Power Plants - HCBBS Forum
78. Starting January 1, 2022, a batch of **standards will come into effect! - HCBBS Forum
79. Who can take the exams to become registered engineers in the field of chemical equipment? - HCBBS Forum
80. *e - HCBBS Forum
81. On the measurement of the interface level - HCBBS Forum
82. Which company is good at manufacturing imported industrial refrigeration units? - HCBBS Forum
83. Straightness measuring instrument used in round bar production - HCBBS Forum
84. What are the various trace reducing organic substances present in crude methanol? - HCBBS Forum
85. 2017 Registration and Qualification - HCBBS Forum
86. Common pressure performance parameters of hydraulic pump stations - HCBBS Forum
87. Six major blind spots in security management - HCBBS Forum
88. Can a screw pump be used as a heavy oil unloading pump? - HCBBS Forum
89. Furnace No. 3 operated continuously for 128 days, setting a new record for the operation duration of ash pyrolysis gasification furnaces in China - HCBBS Forum
90. Error 7 appears when opening Caesar II - HCBBS Forum
91. DB51/T 5034-2012 Technical Specifications for Plastic-Lined (PE) and Stainless Steel/Aluminum Alloy Lined Pipes for Gas Use - HCBBS Forum
92. I would like to ask everyone about the issue of drawing curves in HYSYS - HCBBS Forum
93. Activity to earn wealth by working! ------PRO2 series - HCBBS Forum
94. How to control the outlet temperature of the converter - HCBBS Forum
95. DGJ 08-102-2003 Technical Code for Urban High-Pressure and Ultra-High-Pressure Natural Gas Pipelines (with Explanations to the Provisions) - HCBBS Forum
96. T/CECS 654-2019 Technical Code for the Purification and Production of Biogas - HCBBS Forum
97. Seek help regarding 05G212 reinforced concrete chimney - HCBBS Forum
98. Overcurrent in the new centrifugal liquid oxygen pump and liquid nitrogen pump - HCBBS Forum
99. Seek help: Selection of structural reinforcement for edge members of concrete shear walls and frame columns in 14G330-1 (edge members of shear walls, frame columns) - HCBBS Forum
100. Distillation kettle level - HCBBS Forum