English — Forum #723 (Page 104/642)

1. 【Spending Post】【Small Survey】Dear sea friends, which school did you graduate from? - HCBBS Forum
2. During the regeneration of a pure water mixed-bed, the injection of acids and bases is interrupted for 4-5 hours - HCBBS Forum
3. What are the common problems in the production of polyaluminum chloride? - HCBBS Forum
4. Devices for detecting the flow of liquid or devices that activate electric valves - HCBBS Forum
5. Issues regarding the definition of known conditions in ASPEN HYSYS - HCBBS Forum
6. Is a structure that has only a frame or canopy on top with open sides all around considered a factory building? It is necessary to meet the requirements for Class A storage tanks placed within a factory building... - HCBBS Forum
7. Does anyone know about pharmaceutical-grade MTBE? ? - HCBBS Forum
8. Which has a higher flow velocity at the top of the tower in a vacuum distillation unit? - HCBBS Forum
9. Daily curated suggestions are provided. - HCBBS Forum
10. Seeking a damage-free pump - HCBBS Forum
11. What problems generally occur when the reforming depentanizer system becomes unstable? - HCBBS Forum
12. Long-term recruitment for workplace regional moderators** - HCBBS Forum
13. Traffic issue - HCBBS Forum
14. Guidelines for the Evaluation of Safety Integrity Levels of Safety Instrumented Systems in the Petrochemical Industry - HCBBS Forum
15. On the manufacturing process of steel-aluminum joints - HCBBS Forum
16. What are the functions of expansion joints and water stop strips? ? What is the impact and relationship between the size of the pool designed for our processes and the size of the factory building? ? - HCBBS Forum
17. Urea: Coal, slow down! I can’t keep up! Losses persist despite a 100-yuan increase; pressure to transform grows for enterprises - HCBBS Forum
18. Regarding the sealing issue - HCBBS Forum
19. The work tasks are cumbersome; how can one work efficiently? - HCBBS Forum
20. 8th Ying’s Cup Final: Tang Weixing vs. Park Tinghuan - HCBBS Forum
21. Water-coal slurry concentration detection - HCBBS Forum
22. Sign-in record post from October 23, 2016 - HCBBS Forum
23. Request a table showing the relationship between the density of hydrogen fluoride gas and temperature - HCBBS Forum
24. I’ve been a bit lost lately - HCBBS Forum
25. Are there valves capable of withstanding high-temperature flue gas at 800 degrees? - HCBBS Forum
26. What exactly makes these unpopular majors so unattractive? - HCBBS Forum
27. 【Three Answers to Questions on GMP Implementation Details】—Pharmaceutical Water Systems - HCBBS Forum
28. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； October 26th - HCBBS Forum
29. Can carbon dioxide detectors share the same system as combustible gas detectors? - HCBBS Forum
30. Anji Chemical Industry - HCBBS Forum
31. Iodine value adsorption by activated carbon fiber? - HCBBS Forum
32. Seeking purchase of wall-coating injectors for polymerization reactors - HCBBS Forum
33. How to estimate the foundation height and spacing of storage tanks - HCBBS Forum
34. Alkylation recommendations - HCBBS Forum
35. The key to coal chemical industry lies in addressing the issue of \"coal at the beginning and water at the end\"” - HCBBS Forum
36. What software is good for calculating the multi-effect evaporation process? - HCBBS Forum
37. Salary cut at Keqi coal-to-natural gas project - HCBBS Forum
38. How to select expansion joints - HCBBS Forum
39. Harm of excessive addition of passivator in catalytic cracking units - HCBBS Forum
40. Reviewing the Past to Gain New Insights-001-Which standard specifies the nominal dimensions of DN, OD, and ID: the outer diameter and inner diameter of pipes? - HCBBS Forum
41. Applications and basic knowledge of imported tungsten rods; need the paper urgently, thank you - HCBBS Forum
42. Process Area Activity – [I See Now-08]: Check that one-way valves are not installed in the reverse direction during pressure testing - HCBBS Forum
43. [Forward] The lobster sperm is here – who dares to eat me? - HCBBS Forum
44. Autumn Night - HCBBS Forum
45. Issues with pipeline topcoats. - HCBBS Forum
46. Concentration scheme - HCBBS Forum
47. flow rate - HCBBS Forum
48. Looking for standard video tutorials for ZWCAD 2009 - HCBBS Forum
49. What factors affect the color of concentrated sulfuric acid? - HCBBS Forum
50. Water dew point data for nitrogen - HCBBS Forum
51. Technical consultation on semi-coke quenching - HCBBS Forum
52. Coke tower lifting - HCBBS Forum
53. Hydrogen consumption range and adjustment methods for sulfur recovery hydrogenation reaction - HCBBS Forum
54. Add WeChat Official Account and Haichuan APP to your favorites! Find intersection! - HCBBS Forum
55. Regarding the issue of adding antifreeze agents in winter - HCBBS Forum
56. Beijing is seeking an EHS Director - HCBBS Forum
57. How is the ash content in the black water at the outlet of the gasifier quench chamber calculated? - HCBBS Forum
58. Urea price trends across China as of October 28, 2016 - HCBBS Forum
59. Physical properties of cyclohexene oxime? - HCBBS Forum
60. [Chat + Discussion] What should you pay attention to when sending emails? - HCBBS Forum
61. Regarding the pressure gauge issue - HCBBS Forum
62. By the way, what’s wrong with Hai Chuan today? - HCBBS Forum
63. Do your material warranty certificates come with QR codes or barcodes? - HCBBS Forum
64. Everyone, has anyone of you ever been scammed? - HCBBS Forum
65. Weekly Urea Market Report for the Fourth Week of October 2016 - HCBBS Forum
66. I’d like to share an accident case that occurred in my company in 2012 - HCBBS Forum
67. Teacher Qin’s series on introductory chemical engineering design has been updated to Chapter 3: Structural Conditions – 44 minutes long - HCBBS Forum
68. What is the difference between a diesel pump and a water pump? - HCBBS Forum
69. There are now some requirements for art landscape design that call for rusted metal panels - HCBBS Forum
70. 【Daily Topic】【Engineering Version 20161019】 - HCBBS Forum
71. On the APP, it’s possible to see whether the images are good or bad - HCBBS Forum
72. Should the protrusion distance of the nozzle on the cover be measured from the original outer surface contour line or from the highest point after the opening is made? - HCBBS Forum
73. 【Haichuan Jokes Shop】039 Has the Ability - HCBBS Forum
74. Let me see how many people are on shift right now. - HCBBS Forum
75. Regarding the use of groundwater as a source of water for firefighting purposes - HCBBS Forum
76. 【Haichuan Chemical Jokes Shop】053 Climbing the Great Wall - HCBBS Forum
77. The air-driven turbine expander was started; before starting, it was possible to turn the shaft by hand. During the startup attempt, it wouldn’t rotate, and once tried again, it couldn’t be turned at all. Why - HCBBS Forum
78. Fire Engineer Exam - HCBBS Forum
79. Process Area Activity – [I See Now-12]: The Power Supply Was Really Connected Reversely - HCBBS Forum
80. Work-related injury recognition tips 22: If assigned by a supervisor to carry out tasks unrelated to work and an accident occurs, can it be recognized as a work-related injury? - HCBBS Forum
81. Marking the boat - HCBBS Forum
82. New technologies in the startup and operation of catalytic cracking units - HCBBS Forum
83. How to select a burst disc for an atmospheric pressure reactor - HCBBS Forum
84. How to distinguish between the common QC, IQC, IPQC, and QA roles in quality management? - HCBBS Forum
85. Consultation - HCBBS Forum
86. Centrifugal pump speed triangle - HCBBS Forum
87. Does diisobutylene have a promising future? - HCBBS Forum
88. Daily Water Treatment Question (10.21) - HCBBS Forum
89. I would like to ask the experts whether it’s possible to modify the boiler in this way? - HCBBS Forum
90. Do intrinsically safe instruments necessarily need to be used with a safety barrier? - HCBBS Forum
91. True or False Questions, October 29, 2016 (3 points for participation, 8 points for correct answers) - HCBBS Forum
92. What is the nitrogen sealing pressure range for methanol storage tanks? - HCBBS Forum
93. Haiyou’s Honest Advice [How to Effectively Reduce Annual Maintenance and Parts Costs] – A Thorough Discussion (from Haichuan QQ Group) - HCBBS Forum
94. Look here, proII - HCBBS Forum
95. The DCC regeneration inclined tube tray with degassing tank experiences significant vibration - HCBBS Forum
96. Why is it strictly prohibited for hydrogen pressure gauges to come into contact with greasy substances? - HCBBS Forum
97. 【Daily Topic】【Engineering Version 20161023】 - HCBBS Forum
98. Process Area Event – [I See Now-25] The Mysterious Operation of Turbogenerator Sets - HCBBS Forum
99. I’m looking for templates for pipe support diagrams; does anyone have genuine pipe support drawings produced by a professional design firm? - HCBBS Forum
100. Help needed - HCBBS Forum