English — Forum #723 (Page 41/642)

1. :) - HCBBS Forum
2. Sign-in record post dated December 24, 2016 - HCBBS Forum
3. Catalytic cracking reaction - HCBBS Forum
4. Case Studies of Boiler Operation Accidents--6 - HCBBS Forum
5. Test questions - HCBBS Forum
6. Are there any resources on the electrical design of a small device? - HCBBS Forum
7. What issues need to be considered when converting an internal floating roof tank into a vaulted roof tank? - HCBBS Forum
8. Principle of constant current at critical compression ratio - HCBBS Forum
9. May Class A and B liquid media be used in equipment or pipelines with plastic lining? ? ? - HCBBS Forum
10. Daily Security Management Technology Question (12.20) - HCBBS Forum
11. Major breakthrough! In the future, battery life will therefore be found to **increase** - HCBBS Forum
12. Come check out the casual version; everyone is busy with flowers. . . As a female classmate, there isn’t a single one; it’s embarrassing - HCBBS Forum
13. Smart transmitter - HCBBS Forum
14. Can a temperature transmitter with on-site display show the temperature on-site if it is powered only by 24V? - HCBBS Forum
15. Sign-in record post dated December 21, 2016 - HCBBS Forum
16. Valve accessories - HCBBS Forum
17. Transition: Looking Ahead to Work Safety Supervision and Enforcement from the Central Government’s Guidelines” - HCBBS Forum
18. 1. Should the length of the pipe fitting with a flange be reduced by the wall thickness? 2. Which is better: a grounding plate or grounding bolts? - HCBBS Forum
19. Haichuan Chemical Forum provides an exclusive analysis of the first environmental protection tax law: the Environmental Protection Tax Law of the People’s Republic of China - HCBBS Forum
20. Calculation of tower packing support? - HCBBS Forum
21. Why is there no difference between the increase and decrease in suction force at the roof? - HCBBS Forum
22. For business cooperation with pressure vessel manufacturers, please feel free to inquire - HCBBS Forum
23. How is presulfurization done? - HCBBS Forum
24. Hot standby for coking plant chimney - HCBBS Forum
25. Which expert has this FAS-decoder v0.5.9? - HCBBS Forum
26. Classification of the fire hazard of calcium cyanamide and interpretation of building codes - HCBBS Forum
27. Can the oil separator in an oil depot be removed? - HCBBS Forum
28. Xie Chi Chun · In Youth, I Joined the Army - HCBBS Forum
29. I have a problem with low water pressure in my home – are there any effective solutions? ? Urgent! Urgent! Urgent! ! - HCBBS Forum
30. Oil and gas recovery at oil depots - HCBBS Forum
31. Daily Security Management Technology Question (12.22) - HCBBS Forum
32. What type of valve should be used for the liquid supply and vapor return pipes in an ammonia-based refrigeration system? - HCBBS Forum
33. When using the compression rod reduction factor method for calculations, where can I find the value of this reduction factor? - HCBBS Forum
34. Installation and use of steam traps - HCBBS Forum
35. Help! Severe corrosion of the roof surface near the acid pipe under the second acid absorption tank - HCBBS Forum
36. Analysis of pre-tensioned disc springs in solving bolt tightening problems - HCBBS Forum
37. WP Domestic Sales - HCBBS Forum
38. What are the standards for pressure pipeline inspection? - HCBBS Forum
39. Impressive! Messi named Argentina’s Footballer of the Year, outshining the two Juventus stars - HCBBS Forum
40. Questions regarding wax oil hydrogenation - HCBBS Forum
41. Signing of the diesel-methanol dual-fuel National VI project - HCBBS Forum
42. What are some points worth considering regarding freeze protection design and plant management in the northern chemical industry? - HCBBS Forum
43. December 20, 2016: First day of registration - HCBBS Forum
44. According to Section 5.2.23 of the Petrochemical Regulations, warehouses for Class B materials can be located in the plant area; then can Class B materials be stored in Class A buildings? - HCBBS Forum
45. The results for the 2016 registered chemical engineering exam are coming out - HCBBS Forum
46. Does anyone have the design specifications related to U-shaped workshops? Please let me know - HCBBS Forum
47. The Fisher valve is not functioning - HCBBS Forum
48. The issue of static liquid holdup concentration in packed towers - HCBBS Forum
49. A Class B light steel structure design firm in Shanxi region is looking to sell it; those who are interested, please come and take a look - HCBBS Forum
50. Safety and Fire Safety Puzzles (12.21) - HCBBS Forum
51. Rapid analysis method for copper sheet corrosion - HCBBS Forum
52. Fluctuations in the pressure of the stripping tower often lead to unstable feed flow rates - HCBBS Forum
53. Safety training materials for chemical enterprises - HCBBS Forum
54. What is the career plan for chemical industry professionals? - HCBBS Forum
55. Research on the theoretical selection methods for the flow characteristic of control valves - HCBBS Forum
56. What to do if the alkylation pipeline is severely corroded? Thank you, I really need help - HCBBS Forum
57. Test questions - HCBBS Forum
58. Fun English Translation - HCBBS Forum
59. The results of the registration exam will be released soon, stay tuned - HCBBS Forum
60. Assembly diagram of ammonia synthesis tower - HCBBS Forum
61. Why do coal chemical industry compressors operate at higher pressures than those in the petroleum chemical industry? - HCBBS Forum
62. 【Daily Question】December 26, 2016 – Participation +2 Wealth； +3 to +10 wealth for correct answers - HCBBS Forum
63. How to detect and handle leaks in hot oil pumps? - HCBBS Forum
64. Do all compressed gas cylinders come equipped with a safety valve? - HCBBS Forum
65. Corrosion-resistant alloy surfacing on the inner wall of the ball valve - HCBBS Forum
66. Valve selection - HCBBS Forum
67. The effect of iron on silicon bricks in coke ovens - HCBBS Forum
68. Progress of the Phase II ammonia synthesis project at Ruixing - HCBBS Forum
69. Daily Safety and Fire Prevention Question (12.21) - HCBBS Forum
70. I would like to ask whether the actuators produced by Chuanyi have obtained SIL certification, and also which domestic brand actuators have such certification - HCBBS Forum
71. Issues related to campus and non-destructive testing of composite plate tube sections - HCBBS Forum
72. Let’s talk about technological upgrades in the fluorine chemical industry and exchange ideas - HCBBS Forum
73. Issues regarding heat treatment to improve or restore material properties - HCBBS Forum
74. Good news! The safety engineer certificate has been included by the Ministry of Human Resources and Social Security among the professional qualifications required for entry into certain fields! - HCBBS Forum
75. Discussion on the causes of safety accidents - HCBBS Forum
76. What is the difference between the heat transfer coefficient K and the heat supply coefficient α? What are their specific definitions and meanings? - HCBBS Forum
77. Salary - HCBBS Forum
78. Which domestic company has the strongest technology and capabilities in producing CO2 recovery equipment? - HCBBS Forum
79. Compilation Post for Soliciting Chemical Engineering Technical Materials in the Petrochemical Special Zone - HCBBS Forum
80. A proud princess? No, modest girls have more radiance! - HCBBS Forum
81. How to calculate unit consumption? - HCBBS Forum
82. How to adjust the PID parameters of the refinery instrument DCS? - HCBBS Forum
83. Congratulations to myself on 8 years and one night since registering on Haichuan - HCBBS Forum
84. Exhaust treatment - HCBBS Forum
85. Wastewater gases volatilize; a cover is used for treatment. How to estimate the volume of these gases? ! - HCBBS Forum
86. Ammonia solution level indication deviation - HCBBS Forum
87. Food safety - HCBBS Forum
88. You don’t die of exhaustion from working overtime; you die of exhaustion due to the work style and constant changes! - HCBBS Forum
89. 【Daily Question】December 16, 2016 – Participate to earn +2 wealth； +3 to +10 wealth for correct answers - HCBBS Forum
90. 304+HCL HCL refers to what material - HCBBS Forum
91. Map of Russia’s crude oil production distribution - HCBBS Forum
92. The issue of the distance between vehicle loading/unloading facilities in oil depots and storage tanks - HCBBS Forum
93. Maoming Petrochemical: Streamlining Teams to Optimize Human Resources - HCBBS Forum
94. Dear sea friends, please help – I’m looking for a scheme for washing the methanol distillation tower - HCBBS Forum
95. The styrene shipment is cloudy - HCBBS Forum
96. Question regarding the heat treatment of pump shafts - HCBBS Forum
97. 15What is MrMO? ? - HCBBS Forum
98. What is the appropriate height for a reduced-top water cooling platform? - HCBBS Forum
99. Calculation of heat loss in steam pipelines - HCBBS Forum
100. 700℃ hydrofluoric acid corrosion protection for carbon steel – does anyone have good methods? - HCBBS Forum