English — Forum #336 (Page 6/51)

1. Aspen simulation - HCBBS Forum
2. Information on process control valves: what is the use of each piece of data? - HCBBS Forum
3. Introduction to Desulfurization Wastewater Treatment Technologies - HCBBS Forum
4. 【Daily Question】Theoretical Foundation 2020.09.27 - HCBBS Forum
5. Transfer of chemical engineering reference books - HCBBS Forum
6. Discussion on sampling locations for exhaust stacks - HCBBS Forum
7. Regarding the safety distance - HCBBS Forum
8. 【Daily Question】Theoretical Foundation 2019.10.9 - HCBBS Forum
9. Part-time job in chemical equipment design - HCBBS Forum
10. Heat exchanger courseware - HCBBS Forum
11. 【Daily Question】Theoretical Foundation 2019.8.13 - HCBBS Forum
12. What is the pressure caused by the expansion of a liquid as temperature rises? - HCBBS Forum
13. How much water is needed to convert low-pressure superheated steam into 0.4 MPa steam using a temperature and pressure reducing device? What is the amount of steam produced in the end, and how is this calculated? - HCBBS Forum
14. Boiler drum level three-transmitter system - HCBBS Forum
15. Atomic absorption spectrophotometer TAS-990 - HCBBS Forum
16. Composition of pipeline numbers - HCBBS Forum
17. 【Daily Question】Theoretical Foundation 2019.6.29 - HCBBS Forum
18. Simple oil-water separation, correction of conductivity stratification control drawings - HCBBS Forum
19. Fixed-bed reactors are more important than tubular reactors and batch reactors; then why do textbooks focus on the latter? - HCBBS Forum
20. Materials required by the design institute for new chemical projects - HCBBS Forum
21. Computer-based exam for pressure pipeline designers - HCBBS Forum
22. Which domestic company has a high-pressure polyethylene plant? - HCBBS Forum
23. How to escape in the event of a gas leak during the transport of hazardous materials? Look here quickly - HCBBS Forum
24. Can negative pressure be sealed with a water seal tank? - HCBBS Forum
25. Compilation of Dust Safety Management Systems - HCBBS Forum
26. Evaporation latent heat of liquid ammonia - HCBBS Forum
27. Calculation of moisture content in exhaust gas - HCBBS Forum
28. Air compressor, air-water separation tank - HCBBS Forum
29. fire separation distance - HCBBS Forum
30. Is it necessary to install a buffer tank at the outlet of the reciprocating vacuum pump? - HCBBS Forum
31. The Petrochemical Federation* Committee earnestly fulfills its primary responsibilities - HCBBS Forum
32. Definition of substances with a low ignition point - HCBBS Forum
33. Can the area of Class A and B factories and warehouses double after installing sprinkler systems? - HCBBS Forum
34. , - HCBBS Forum
35. 【Daily Question】Theoretical Foundation 2019.6.27 - HCBBS Forum
36. 【Daily Question】Theoretical Foundation 2021.1.15 - HCBBS Forum
37. Pump Piping Layout Pump piping design - HCBBS Forum
38. Can an office be set up in the power distribution room? - HCBBS Forum
39. 【Haichuan Equipment Guessing Game】Are experts planning to rebuild the Western Xia royal tombs? - HCBBS Forum
40. How is the air cooling tower (packed tower) in an air separation unit designed? - HCBBS Forum
41. What are the pressures before and after the natural gas enters the customer’s pressure regulation and metering cabinet outside the plant? General situation - HCBBS Forum
42. 【Common Issues in Haichuan Pipeline Design】Illustrated Guide to Pipeline Layout for Common Equipment per SH/T 3012-5 – Pipeline Layout for Compressors - HCBBS Forum
43. China Air Separation won the EPC general contracting project for the technical renovation of the comprehensive backup system for air separation at China Coal Hubei Energy Chemical Group - HCBBS Forum
44. Boiler process design - HCBBS Forum
45. What is the difference between low-temperature dehydration and high-temperature dehydration in the crude benzene system? - HCBBS Forum
46. Our country will accelerate the industrialization of combustible ice and strengthen the exploration of shale gas - HCBBS Forum
47. Over 10 billion tons of coal resources have been discovered in Shanxi over the past 5 years - HCBBS Forum
48. Selection of sampling hole format - HCBBS Forum
49. Personally, I think corrosion is closely related to safety standards, while it has little to do with costs - HCBBS Forum
50. Seek help: differences between L245R and Q345 straight-welded pipes - HCBBS Forum
51. Seeking instrumentation control and process design personnel; starting salary: 12,000 RMB/month (Xi’an, Dalian). Direct hire by the employer - HCBBS Forum
52. Regarding the various changes that occur during the project construction process, what are the approval and evaluation procedures involved? - HCBBS Forum
53. Questions about saturated vapor pressure? - HCBBS Forum
54. Only standards listed in the standard normative reference documents can be used - HCBBS Forum
55. 【Daily Question】Theoretical Foundation 2019.6.23 - HCBBS Forum
56. Can the austenitic stainless steel 321 (06Cr18Ni11Ti) be used in hydrogen pipelines? - HCBBS Forum
57. The pH issue of liquid caustic and sodium sulfide solutions. - HCBBS Forum
58. Seek solutions, thermodynamics - HCBBS Forum
59. 【Daily Question】Theoretical Foundation 2021.02.09 - HCBBS Forum
60. Test method for acetylene containing phosphine? ? - HCBBS Forum
61. Daily Question on Automation Theory Knowledge (9.4) - HCBBS Forum
62. Thermal resistor - HCBBS Forum
63. 【Common Issues in Haichuan Pipeline Design】Don’t forget to install cut-off valves and check valves on nitrogen pipelines - HCBBS Forum
64. Can a meal preparation room be installed in the laboratory building of a hazardous chemicals enterprise? ? ? - HCBBS Forum
65. The review meeting for the SAP unit process package of the Phase 1 of Yulin Chemical Phase II project was successfully held in Germany - HCBBS Forum
66. 【Daily Question】Theoretical Foundation 2019.1.24 - HCBBS Forum
67. Carbon dioxide capture, liquid carbon dioxide, and food-grade carbon dioxide production technologies - HCBBS Forum
68. I have a question for the experts·········· - HCBBS Forum
69. 【Daily Question】Theoretical Foundation 2019.7.15 - HCBBS Forum
70. 【Daily Question】Theoretical Foundation 2019.4.15 - HCBBS Forum
71. What does it mean that the oxygen system requires check valves to be impact-free check valves? - HCBBS Forum
72. May I ask which standard the screenshot is taken from? - HCBBS Forum
73. Summary of the specialty based on physical chemistry and transport principles - HCBBS Forum
74. Coursework Solutions on Principles of Chemical Engineering - HCBBS Forum
75. Reboiler calculation - HCBBS Forum
76. Qingdao Gulf Chemical Engineering Design Institute is recruiting design staff and construction management personnel - HCBBS Forum
77. Is the J41 type globe valve suitable as a bypass for automatic control valves? - HCBBS Forum
78. 【Daily Question】Theoretical Foundation 2021.1.31 - HCBBS Forum
79. Does the normal ventilation volume include natural ventilation? - HCBBS Forum
80. Hualu Engineering signed the EPC general contract for the industrialization of chlorine resources project at Hubei Yihua - HCBBS Forum
81. Pipeline flow rate - HCBBS Forum
82. What does this symbol mean in safety valve settings? - HCBBS Forum
83. 【Daily Question】Theoretical Foundation 2020.08.02 - HCBBS Forum
84. 【Daily Question】Theoretical Foundation 2021.04.09 - HCBBS Forum
85. High-definition copy of Flammable and Combustible Liquids Code NFPA30-2021 - HCBBS Forum
86. 【HaiChuan Safety Discussion】Hidden Dangers Around Us – Class A warehouses are built with two floors, which does not meet the requirements for single-story buildings - HCBBS Forum
87. Discussion on whether steam heating controls condensate or steam - HCBBS Forum
88. Regarding the breathing volume of the breather valve - HCBBS Forum
89. 【Haichuan EPC】It is very important to understand the entire process of chemical plant construction through a single diagram - HCBBS Forum
90. [Daily Question] Theoretical Basis 2020.01.16 - HCBBS Forum
91. Explosion-proof design for the control room of hydrogen compression stations - HCBBS Forum
92. 【Daily Question】Theoretical Foundation 2019.12.22 - HCBBS Forum
93. NON-CHROME RESPURT anti-corrosion coating, stainless steel coating, reduces electrocorrosion, acid and alkali resistant coating - HCBBS Forum
94. Must a compressed air supply be connected to the jacket of the reactor? - HCBBS Forum
95. Mechanical Drawing Manual (Clear Version) - HCBBS Forum
96. How to fix this issue with EDR? - HCBBS Forum
97. Qingdao Petrochemical Design Institute, Maoming Design Institute - HCBBS Forum
98. Formaldehyde - HCBBS Forum
99. 【Daily Question】Theoretical Foundation 2020.08.28 - HCBBS Forum
100. Why are cast iron valves used in sewage systems? - HCBBS Forum