English — Forum #723 (Page 27/642)

1. Seek the industry standard for iron phosphate, HG/T4701-2014 - HCBBS Forum
2. T/CECS 719-2020 Technical Code for Partially Sheathed Steel-Concrete Composite Structures - HCBBS Forum
3. Help needed: 05SFJ10 – Illustrations from the “Code for Design of Civil Air Defense Bases”, Architecture specialty - HCBBS Forum
4. TY02-31-2015(Volume 8) General Quotas for Consumption in Installation Works, Volume 8: Industrial Pipeline Works - HCBBS Forum
5. Introduction to anchor bolt types, selection criteria, dimensional data, installation specifications, and more. - HCBBS Forum
6. DB50/T 04-2016 Methods for Energy Efficiency Monitoring of Thermal Pipelines - HCBBS Forum
7. Software for calculating the density of gases at different temperatures and pressures? - HCBBS Forum
8. Automatic packaging production line - HCBBS Forum
9. Hydrocarbon content in the main cooling system of air separation units - HCBBS Forum
10. Q/CNPC 124.5-2006 Specifications for On-site Safety Inspections in Petroleum Enterprises – Part 5: Inspection, Maintenance, and Repair in Refining and Chemical Industries - HCBBS Forum
11. Does liquid ammonia include ammonia water (20%)? Or is ammonia just liquid ammonia? - HCBBS Forum
12. Melon ejected as Knicks lose to Eagles; duo scores 54 points as Bucks beat Pistons - HCBBS Forum
13. Looking for the latest standard PDF for HG/T21574-2018 equipment lifting lugs - HCBBS Forum
14. I need help with the following standard: a 20 wealth level - HCBBS Forum
15. What are the uses and classifications of aluminum sheets? - HCBBS Forum
16. DL/T 2300-2021 Guidelines for Equipment Maintenance Management in Thermal Power Plants - HCBBS Forum
17. Coke ash content - HCBBS Forum
18. Definition and types of hydroforming - HCBBS Forum
19. The meaning of the notation for gaskets - HCBBS Forum
20. GB/T51257-2017 \"Code for Design of Low-Temperature Pipelines for Liquefied Natural Gas\" - HCBBS Forum
21. **Container gasket selection - HCBBS Forum
22. 5. List of documents for eight types of special operations – temporary power use - HCBBS Forum
23. Regarding GB 50493-2009 Code for Design of Detection and Alarm Systems for Flammable and Toxic Gases in Petrochemical Industries - HCBBS Forum
24. Start of the shielded pump - HCBBS Forum
25. What are the causes of oil film oscillation and oil film vortexing in sliding bearings, and how can they be resolved? ? - HCBBS Forum
26. GB 9656-2021 Safety Technical Specifications for Motor Vehicle Glass - HCBBS Forum
27. HG/T-20581-2011 7.8.3 Hydrogen corrosion environmental issues? - HCBBS Forum
28. Kettle reboiler - HCBBS Forum
29. Schematic diagram of the scrubber tower in WGS desulfurization technology - HCBBS Forum
30. 10S407-2 Installation of thin-walled stainless steel pipes for building water supply - HCBBS Forum
31. HG/T 30019-2014 Safety Technical Specifications for the Production of M-phenylenediamine - HCBBS Forum
32. Daily Water Treatment Question (12.28) - HCBBS Forum
33. T/CECS 691-2020 Standard for On-site Energy Efficiency Evaluation of Building Exterior Windows - HCBBS Forum
34. NB/T 20616-2021 Guidelines for the Construction of Nuclear Safety Culture in Nuclear Power Plants - HCBBS Forum
35. What is the maximum temperature that a convection oven can reach at present? - HCBBS Forum
36. Has this score passed? The results really surprised me! - HCBBS Forum
37. NB/T 20009.21-2014 Welding materials for pressurized water reactor nuclear power plants – Part 21: Carbon steel shielded metal arc welding electrodes for safety-class equipment - HCBBS Forum
38. Quick understanding of annealing, normalizing, quenching, and tempering - HCBBS Forum
39. Regarding whether the specialty exam for injection molding has been passed - HCBBS Forum
40. The status of SH 3509-1988 Welding Procedure Qualification for Petrochemical Engineering (=SHJ 509-88) is unknown - HCBBS Forum
41. Specifications for purlin installation - HCBBS Forum
42. 28 List of chemical production safety management materials - HCBBS Forum
43. Calculation of oil loading and unloading flow rates! Urgent! ! ! ! ! ! ! ! ! - HCBBS Forum
44. SHT 3506-2020 Code for Construction and Acceptance of Tubular Furnace Installation Projects - HCBBS Forum
45. 17R410 Direct burial installation for hot water pipes - HCBBS Forum
46. Can 304 stainless steel pipes transport alkaline solutions? - HCBBS Forum
47. Resin filter clogging issue - HCBBS Forum
48. What is the relationship between explosion-proof certification, explosion-proof approval certificate, and explosion-proof 3C certification? - HCBBS Forum
49. DB23/T 1396.1-2017 Safety Production Specifications for Machinery Manufacturing Enterprises – Basic Requirements for Safety Management - HCBBS Forum
50. T/GZWEA A04-2019 Guidelines for Construction Safety in Water Conservancy Projects in Guizhou Province - HCBBS Forum
51. Who can give me a lesson on water-sealed wells and their principles? - HCBBS Forum
52. Seeking help on 21CS04-1  Selection and Installation of Integrated Sewage Treatment Equipment (Part 1) - HCBBS Forum
53. CECS: 8396 Common Terms for Pipeline Engineering Structures CECS83:96 - HCBBS Forum
54. Newao Group’s Key Laboratory for Coal-Based Low-Carbon Energy: Private enterprises seeking breakthroughs in coal-to-natural gas technology - HCBBS Forum
55. Hazard sources and precautions in the workshop - HCBBS Forum
56. Heat exchanger tube rupture - HCBBS Forum
57. Ammonium-containing cobalt solution - HCBBS Forum
58. Seek HG/T 21637-2021 series of chemical pipeline filters - HCBBS Forum
59. JT/T 278-2007 Safety Technical Operating Procedures for Ship Cranes - HCBBS Forum
60. DB53/T 620.2-2014 Long-distance slurry pipeline transportation – Long-distance slurry pipeline transportation, Part 2: Operation control - HCBBS Forum
61. Training lecture on chemical engineering design - HCBBS Forum
62. NB/T 20318-2014 Safety-critical instruments for nuclear power plants – Pressure transmitters - HCBBS Forum
63. How should a remote-controlled electric actuator be installed for flue gas damper doors? - HCBBS Forum
64. How to prevent the infrared receiver from being interfered with - HCBBS Forum
65. The issue of using a fixed tube sheet as a flange - HCBBS Forum
66. Hydraulic coupler - HCBBS Forum
67. Post #1656895
68. The main structure of Section II of Yongrong’s 600,000 tons/year caprolactam project (Phase I) was completed ahead of schedule - HCBBS Forum
69. 60 Comprehensive Collection of Materials on Safety Management in Construction Projects - HCBBS Forum
70. Sign-in record post dated December 30, 2016 - HCBBS Forum
71. 【Daily Question】Chemical Engineering Principles 494: Thermal Deoxygenation (December 29) - HCBBS Forum
72. Safety and Fire Protection Puzzles (12.28) - HCBBS Forum
73. How to register after the injection process, and what should be noted? - HCBBS Forum
74. What is the difference between the elliptical gear flow meters and gear pump flow meters produced by Hefei Chuangpu? - HCBBS Forum
75. Is there any difference between top feeding and bottom feeding in a fixed-bed reactor? - HCBBS Forum
76. What proportion of the total construction cost does insulation material and its installation account for? - HCBBS Forum
77. The sh3012 standards state that liquefied hydrocarbon pipelines should use natural compensation; does a Pai bend count as natural compensation? - HCBBS Forum
78. The connection between dryers and heat exchangers - HCBBS Forum
79. What are the new requirements in the new Regulations on the Control of Mailable Items? - HCBBS Forum
80. Help: Design and Installation of 06SX503 Security System - HCBBS Forum
81. Non-contact temperature measurement – Infrared temperature sensing devices to solve the problem of measuring temperature in aluminum materials - HCBBS Forum
82. Loss of 130,000 yuan due to a valve cover - HCBBS Forum
83. Reasons for high low-methionine content - HCBBS Forum
84. Essential for announcers|To learn broadcasting and hosting, one must speak meaningfully - HCBBS Forum
85. The difficult situation in the construction of petrochemical projects - HCBBS Forum
86. Forging Equipment and Manufacturing Technologies: Research on Sheet Metal Hydroforming Techniques for Automotive Lightweighting - HCBBS Forum
87. Which standard replaced HG 3167-1986? - HCBBS Forum
88. I earnestly request the design of the instrumentation air supply system from sein0022 - HCBBS Forum
89. Product usage description and wiring method for float level switches - HCBBS Forum
90. DB36/T 789-2014 Ultrasonic guided wave testing method for steel pressure pipelines - HCBBS Forum
91. Estimated investment for the styrene plant construction - HCBBS Forum
92. Daily Safety and Fire Prevention Question (12.29) - HCBBS Forum
93. Safety valve backpressure issue - HCBBS Forum
94. DBl2/T 383-2008 Technical Requirements for Safety Protection Devices of Trucks, Trailers and Special Purpose Vehicles - HCBBS Forum
95. News from the air separation industry, 20161228: Hangzhou Fosda delivers the skid units for the 18,000 Nm3/h air separation cryogenic tank to Shandong Guorun - HCBBS Forum
96. When a liquid at 14 MPa is depressurized to 1.6 MPa, can its energy be recovered using expanders or other devices? What is the recovery rate? - HCBBS Forum
97. Seeking help with explosion-proof equipment - HCBBS Forum
98. DB35/T 908-2009 Technical Specifications for Safety and Quality Supervision and Inspection of Oil and Gas Long-Distance Pipeline Installation - HCBBS Forum
99. DB23/T 1493-2012 Technical Specifications for Wastewater Source Heat Pumps - HCBBS Forum
100. Who has the standard NB/SH/T 0558-2016 Determination of boiling range distribution of petroleum fractions – Gas chromatographic method? - HCBBS Forum