English — Forum #723 (Page 18/642)

1. Seek help: Q/SY 05095-2017 Safety Regulations for Work in Confined Spaces in Oil and Gas Pipeline Storage and Transportation Facilities - HCBBS Forum
2. Emergency response measures for special equipment - HCBBS Forum
3. The appraisal meeting for the scientific and technological achievements of East China University of Science and Technology was held successfully - HCBBS Forum
4. NB/T 51069-2017 Test methods for thermal safety performance of polymer materials used in the reinforcement of coal and rock masses in coal mines - HCBBS Forum
5. What type of coalescer is used in hydrogen peroxide production? - HCBBS Forum
6. Has anyone ever carried out the hydrolysis of chloroacetic acid to produce glycolic acid? - HCBBS Forum
7. What is the difference between HTRI4.0 and HTRI5.0? - HCBBS Forum
8. TB 10061-2019 Code for Design of Occupational Safety and Health in Railway Engineering - HCBBS Forum
9. 07MS101 Municipal water supply pipeline projects and associated facilities - HCBBS Forum
10. Member status - HCBBS Forum
11. SY/T 7355-2017 Safety Specifications for Ropes Used for Oil Sampling and Temperature Measurement - HCBBS Forum
12. Seeking help regarding the technical standards for welding and non-destructive testing of corrosion-resistant alloy bimetallic composite pipes, SY/T 7464-2020 - HCBBS Forum
13. 9 List of Documents for Safety Management of Scaffolding Projects - HCBBS Forum
14. Overview of internal high-pressure forming friction coefficients and types and selection of lubricants - HCBBS Forum
15. How to determine if there is internal leakage in a vaporization lockhopper valve? - HCBBS Forum
16. Q/SY 164-2007 Safety Regulations for the Loading and Unloading of Refined Petroleum Products and Liquefied Petroleum Gas in Road Tankers - HCBBS Forum
17. SH/T 3552-2021 Specifications for Construction and Acceptance of Petrochemical Electrical Engineering Projects - HCBBS Forum
18. A comprehensive guide to supports, hangers, and spring supports - HCBBS Forum
19. NB/T 10790-2021 Water treatment equipment – Technical requirements - HCBBS Forum
20. What is the effect of using a screw generator instead of a temperature and pressure reducer? - HCBBS Forum
21. Design of pore size in the porous plate of gas-liquid separators - HCBBS Forum
22. If you were tasked with inspecting the field instruments in petrochemical plants at other companies, which standards and specifications would you refer to most often? - HCBBS Forum
23. 【Daily Question】Chemical Engineering Principles 495: Boiler Corrosion (December 30) - HCBBS Forum
24. How is the residual value of equipment to be demolished in chemical enterprises calculated? Are there any **standards** for this? - HCBBS Forum
25. DB36/T 1085-2018 Fire Safety Specifications for Parking and Charging Areas for Electric Bicycles - HCBBS Forum
26. 6 MOLY (UNS N08926) – this material - HCBBS Forum
27. AQ/T 3033—2022 Guidelines for Safety Design Management of Chemical Engineering Construction Projects - HCBBS Forum
28. T/CECS 607-2019 Technical Code for the Application of Corrosion-Resistant Concrete in Saline Soil Environments - HCBBS Forum
29. Help: Installation of grounding device for 14D504 - HCBBS Forum
30. Seeking alkane-based method **Process experts, please discuss** - HCBBS Forum
31. Help: Could any member share the standard Q/SH 0252-2009? - HCBBS Forum
32. Time to check registered chemical engineering exam results - HCBBS Forum
33. Are gmol, kgmol, lbmol all equivalent to mol? ! - HCBBS Forum
34. Has anyone watched this movie? - HCBBS Forum
35. Connection method of the waterproof switch circuit - HCBBS Forum
36. Conversion, transformation, decarburization, and methanation of the Kellogg process - HCBBS Forum
37. I’ve had a great year - HCBBS Forum
38. HGT 20549.1-1998 _ Requirements for the content and level of detail in the piping layout design for chemical plants - HCBBS Forum
39. DB37/ 314-2002 Built-in Safety Mesh Net - HCBBS Forum
40. The results for the 2016 Chemistry exam are out - HCBBS Forum
41. The difference between potential accident hazards and sources of danger - HCBBS Forum
42. Stamping and Die Technology: What to do with high-speed precision stamping continuous dies? - HCBBS Forum
43. The egg that was broken today wasn’t a golden egg; it was a bad egg - HCBBS Forum
44. The issue of pressure drop and frictional loss in pipelines - HCBBS Forum
45. Structural features and working principles of hydraulic motors (high-speed gear motors and low-speed hydraulic motors) - HCBBS Forum
46. Are there any relevant standards for using sus316 flat oval tubes as boiler heating surfaces? - HCBBS Forum
47. Technical Specification for Performance Testing of Wet Flue Gas Desulfurization Process DL/T986-2016 - HCBBS Forum
48. Valve selection issue! - HCBBS Forum
49. Help: Selection and installation of 12S109 superposed (non-negative pressure) water supply equipment - HCBBS Forum
50. Professional knowledge: 63+60, cases: 38+36. Is it possible to pass? - HCBBS Forum
51. T/CECS 709-2020 Technical Code for Composite Frame Structures Using Corrugated Steel Plates - HCBBS Forum
52. DB64/T 1169-2016 Regulations for the Preparation of Special Chapters on the Design of Safety and Occupational Disease Prevention Facilities in Hazardous Chemicals Construction Projects - HCBBS Forum
53. Natural gas to methanol process - HCBBS Forum
54. What percentage of the installation cost do maintenance expenses account for? - HCBBS Forum
55. XF 480.3-2004 General technical requirements for fire safety signs – Part 3: Luminescent fire safety signs - HCBBS Forum
56. JGJ/T 40-2019 Design Code for Nursing Homes - HCBBS Forum
57. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； December 28th - HCBBS Forum
58. Negative pressure distillation - HCBBS Forum
59. Did the basic score of 135 meet the requirement? - HCBBS Forum
60. Results of Certified Chemical Engineer Examination - HCBBS Forum
61. News from the air separation industry, 20161227: Hangzhou Oxygen Generator Group Co., Ltd. has successfully developed a high-pressure plate-fin heat exchanger - HCBBS Forum
62. Activity to earn wealth by working! ------HYSYS series - HCBBS Forum
63. Usage of level gauges in the gasifier quench chamber and scrubber tower - HCBBS Forum
64. What does “no bag shape” mean in a process flow diagram? - HCBBS Forum
65. DB44/458-2007 Safety Technical Requirements for Drying Rooms That Release Flammable Substances - HCBBS Forum
66. Freezing issue - HCBBS Forum
67. YB/T 4839-2020 Hot-rolled steel plates for induction heating bending of oil and gas transmission pipelines - HCBBS Forum
68. DL/T 820.4-2020 Technical Specifications for Ultrasonic Testing of Pipeline Welded Joints – Part 4: In-service Testing - HCBBS Forum
69. GB 6950-2001 Safety static conductivity of light petroleum products - HCBBS Forum
70. Welding and Cutting - HCBBS Forum
71. How many fresh flowers can be sent to the same person at once? - HCBBS Forum
72. Back-pressure turbine training materials - HCBBS Forum
73. What does TaiFab mean? - HCBBS Forum
74. Detailed procedures for the air delivery system - HCBBS Forum
75. How to install the communication module in the Siemens frame circuit breaker 3WL1232-3EB35-4GA4? - HCBBS Forum
76. DBJ/T 11-625-2007 Specifications for Design, Construction and Acceptance of Safety Control and Alarm Escape Door Lock Systems for Evacuation - HCBBS Forum
77. Which company can manufacture water scrubbers for gas purification systems? Leave your contact information! - HCBBS Forum
78. I have now learned 9 types of flow meters, and 4 of them are used in regular operations - HCBBS Forum
79. Introduction to the working principle, components, application scope, and other aspects of hydraulic transmission systems - HCBBS Forum
80. Set a small goal first: publish 2 papers in 2017 - HCBBS Forum
81. What is the difference between flange RTJ and LRF? - HCBBS Forum
82. Installation of emergency shut-off valves on storage tanks - HCBBS Forum
83. Sending flowers to each other - 161229 - HCBBS Forum
84. Why does GB50160 state that process units and other facilities that may emit flammable gases should be located on the upwind side? - HCBBS Forum
85. DL/T 5796-2019 Technical Specifications for Safety Monitoring of Slopes in Hydropower Projects - HCBBS Forum
86. Bidding parameters for flue gas cooler – Suppliers are currently being sought, urgently! - HCBBS Forum
87. T/CECS 671-2020 Standards for Risk Assessment and Control of Construction Safety in Super-tall Buildings - HCBBS Forum
88. Seeking help: 20T107-1  Key construction techniques for civil engineering in urban rail transit – Open-cut method - HCBBS Forum
89. Sludge dewatering calculation - HCBBS Forum
90. GB18218 Identification of Major Hazard Sources for Hazardous Chemicals - HCBBS Forum
91. DGJ 08-10-2004 Technical Code for Urban Gas and Natural Gas Pipeline Engineering (with Explanations of Provisions) - HCBBS Forum
92. DNT! Do you know what DNT and the principle of not interfering with safety mean? - HCBBS Forum
93. Haichuan WeChat Team is recruiting: Communicating with you and me through text! - HCBBS Forum
94. How should the wastewater from electrodesalination in refineries be disposed of? - HCBBS Forum
95. How effective is the Wocken electrical pulse descaling system in Germany? - HCBBS Forum
96. Self-pressurizing liquid nitrogen tank: How to make it release low-temperature nitrogen - HCBBS Forum
97. HGT 20677-2013 Design Code for Chemical Equipment with Rubber Lining - HCBBS Forum
98. DBJ52/T 037-2017 Safety Technical Regulations for Steel Frame Hoists Used in Building Construction - HCBBS Forum
99. XF/T 620-2006 Occupational Safety and Health in Firefighting - HCBBS Forum
100. The domestic explosion protection certification standard GB3836-2021 has been released! - HCBBS Forum