English — Forum #723 (Page 393/642)

1. Issues with the inlets and outlets of fixed pressure vessels - HCBBS Forum
2. Boiler water quality requirements (chloride ions) - HCBBS Forum
3. How is the design pressure of a vessel that operates under a working pressure 0.1 MPa lower than normal determined? - HCBBS Forum
4. Suggestions for the structural design of high-pressure graywater heaters - HCBBS Forum
5. Caidi’s newly established engineering company and Sinopec’s sales company - HCBBS Forum
6. How does the Equipment Department carry out safety work? - HCBBS Forum
7. 【Daily Question】1.1 The thermodynamic definition of metal corrosion (3 wealth points for a reply; +3 to –8 wealth points for a correct answer) - HCBBS Forum
8. Reboiler HTRI design: issue of the outlet temperature of the heated-side stream being lower than the inlet temperature - HCBBS Forum
9. Where can I buy the textbooks for environmental assessment engineers from 2016? - HCBBS Forum
10. 【Daily Topic】【Electrical Edition 20160106】 - HCBBS Forum
11. What is the relationship between the selection of pump motor power, the process, and the head? - HCBBS Forum
12. The New Year has arrived; you send blessings, and I send wealth! ! - HCBBS Forum
13. Environmental Protection Daily Question 1.10: Participate for a prize; 3 correct answers earn an additional 5 points as a reward - HCBBS Forum
14. Chief Engineering Design Officers for various specialties (work location: Wuhan) - HCBBS Forum
15. I would like to ask if anyone has promotional materials containing the specifications of the latest models from various pyrolysis furnace manufacturers? - HCBBS Forum
16. Which devices will be the mainstream technologies in the next decade - HCBBS Forum
17. Which standard should be followed for the sulfur recovery waste emissions in the coal chemical industry? - HCBBS Forum
18. Hydrogen peroxide to remove free chlorine - HCBBS Forum
19. What equipment is used to filter particles with a size of 10um? - HCBBS Forum
20. What are the reasons for excessive steam discharge from the jet-type seal extractor in backpressure steam turbines? - HCBBS Forum
21. Does propylene react with methanol in the raw materials of MTBE plants? - HCBBS Forum
22. Corrosion in the overhead of atmospheric pressure towers - HCBBS Forum
23. ★Haichuan’s “Gratitude Season” Large-Scale Member Sharing Event★ - HCBBS Forum
24. Among the wastewater treatment processes used in the printing and dyeing industry, which one is more effective for treating printing and dyeing wastewater: the activated sludge method or the contact oxidation method? - HCBBS Forum
25. Discussion on the color of caustic soda in the falling film process using molten salt as a heat source - HCBBS Forum
26. 【Joint Study*】【Civil Engineering Version 20160103】 - HCBBS Forum
27. Shielded version - HCBBS Forum
28. Comparison between plug valves and ball valves - HCBBS Forum
29. Application of physical scale prevention and removal devices! - HCBBS Forum
30. 20160110 One question per day - HCBBS Forum
31. Process piping valves - HCBBS Forum
32. How to prevent corrosion in decommissioned sulfur plants - HCBBS Forum
33. Seeking help with drying in ethylene plant - HCBBS Forum
34. 【Daily Topic】【Civil Engineering Version 20160106】 - HCBBS Forum
35. Thank you, Guan Gongyu, for the boss’s support! - HCBBS Forum
36. Regarding the volume of large storage tanks - HCBBS Forum
37. Seek assistance with the calibration of a liquid filling machine – PLC-controlled diaphragm pump electrical aspects - HCBBS Forum
38. Project Fees for consulting foreign experts Standard - HCBBS Forum
39. Backwashing of valveless filter for circulating water - HCBBS Forum
40. 【Daily Question】1.8 Short-answer question: What is the impact of lighter raw material properties on operations? - HCBBS Forum
41. 【Information Promotion Region】2015 Year-End Summary - HCBBS Forum
42. The optimal number of assists achieved as desired is 360 – spend the money! - HCBBS Forum
43. Who uses rotary air preheaters in the heating furnaces of their factory? How is it performing? - HCBBS Forum
44. 【Daily Question】1.4 Principle of thermal deaeration (3 wealth points for a reply + additional 3–8 wealth points if the answer is correct) - HCBBS Forum
45. Regarding level gauges - HCBBS Forum
46. Supplier of online density meters, flowmeters, and thermometers - HCBBS Forum
47. **Topic - HCBBS Forum
48. There is a problem of excessive pressure difference at the inlet and outlet of the RO security filter – how to solve it? - HCBBS Forum
49. Do all company leaders like those who are good at talking at the “Haichuan Irrigation Co., Ltd. Convenience Store”? - HCBBS Forum
50. Kind words and good deeds turn into positive **habits - HCBBS Forum
51. hydrogen-to-carbon ratio - HCBBS Forum
52. Issues with condensate recovery in molecular sieve steam heaters? ? ? - HCBBS Forum
53. Review of Major Events in Polymeric MDI in 2015 - HCBBS Forum
54. Jiangsu Engao Research Institute is recruiting various technical talents - HCBBS Forum
55. The professional exams have started again – why do they seem so difficult? Confidence has been severely damaged. - HCBBS Forum
56. Haichuan Thanksgiving Season--My Beautiful Mentor【Workplace Section 005】 - HCBBS Forum
57. Are there any reservations regarding the establishment of boundary conditions in the construction of new facilities and technological upgrades? - HCBBS Forum
58. Problem opening 11.1 version files in Aspen7.2! - HCBBS Forum
59. Environmental Protection Daily Question 1.6: Participate for prizes; 3 correct answers earn an additional 5 prizes - HCBBS Forum
60. Can the coil in the liquid sulfur tank be taken out of service in case of leakage? - HCBBS Forum
61. What does the pressure drop from the catalytic device to the gas collection chamber indicate? - HCBBS Forum
62. Chemical Equipment Design--Part-time - HCBBS Forum
63. Does anyone know about WHMIS in Canada? Are there any similar standards or regulations in China? - HCBBS Forum
64. Help: How to safely destroy 14 kilograms of metallic sodium? - HCBBS Forum
65. All new substances added to Aspen require those parameters to be entered - HCBBS Forum
66. First post of the new year – let’s enjoy some happiness. - HCBBS Forum
67. 【Daily Question】1.7 Acidic water contains a certain amount of CO2, which reacts with NH3 at low temperatures to form ( ) - HCBBS Forum
68. The issue of PVC slag - HCBBS Forum
69. Lower limit line of liquid phase load - HCBBS Forum
70. Are there any standard requirements for valve operation and maintenance platforms? - HCBBS Forum
71. 【Joint Study*】【HVAC Version 20160108】 - HCBBS Forum
72. What should I say? - HCBBS Forum
73. Why does the temperature of the regeneration bed drop after the catalytic reaction regeneration slide valve is opened wider? - HCBBS Forum
74. How can one specify in Aspen that a certain impurity in the tower top stream is below a specific percentage? - HCBBS Forum
75. Confirmation of the size and location of the circulating water nozzle for the technical upgrade project? - HCBBS Forum
76. Are there any requirements for the layout of NH3 pipelines? - HCBBS Forum
77. Chemical engineers, what are some good first-aid methods for carbon monoxide poisoning? - HCBBS Forum
78. Talk about the technical upgrades you have carried out on self-cleaning air filters – what have you done? - HCBBS Forum
79. How do I add Aspen Modeler blocks in Simulink? I can’t find them - HCBBS Forum
80. Alkylation Methanol - HCBBS Forum
81. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 410 - HCBBS Forum
82. How can chemical safety officers study this specialty systematically on their own? Improve my skills? - HCBBS Forum
83. Is career planning effective? - HCBBS Forum
84. Are there industry regulations for the daily maintenance of boiler level gauges? - HCBBS Forum
85. I’m not sure if my career plan is correct - HCBBS Forum
86. 【Daily Question】December 28, 2015: Boiler Basics True/False Questions (Top 50 responders receive +3 wealth points; those who get it right earn an additional +3 to +8 wealth points) - HCBBS Forum
87. 【Daily Question No. 91】January 6, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
88. What recruitment websites do people use when looking for jobs? - HCBBS Forum
89. Which specifications should be followed to select the pressure and temperature rating for pipe flanges? - HCBBS Forum
90. The path to quality transformation in Chinese manufacturing - HCBBS Forum
91. Selection of material for dry gas cylinders - HCBBS Forum
92. Pipeline flow velocity and elbow count in the pulping section - HCBBS Forum
93. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 413 - HCBBS Forum
94. How should the recommended flow rate be determined? - HCBBS Forum
95. The cooling rate of coked coke is slow; how to solve this? - HCBBS Forum
96. Help: What is the formula for calculating natural gas yield? ? ? - HCBBS Forum
97. How to clean ceramic Lassie rings with dimensions 3×3×5? - HCBBS Forum
98. Analysis of the sulfate market trend in December - HCBBS Forum
99. The question of which welding wire to use for TIG welding of 16MnDR - HCBBS Forum
100. Issues with pressure tapping for the installation of standard orifice plates for gas measurement? - HCBBS Forum