English — Forum #723 (Page 452/642)

1. Health and occupational hygiene lack popularity - HCBBS Forum
2. 【Daily Question】Question 46: Test question from issue 20151120 (Reply +2)； For the other +3) - HCBBS Forum
3. Who knows what a fire extinguishing gas system actually is? What role does it play in firefighting? - HCBBS Forum
4. Dry gas flow rate fluctuations - HCBBS Forum
5. 【Daily Question】Question 47: Test question from issue 20151123 (Reply +2)； For the other +3) - HCBBS Forum
6. Job listings – Everyone can take a look - HCBBS Forum
7. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 369 - HCBBS Forum
8. How to estimate the production capacity of vacuum distillation based on atmospheric distillation - HCBBS Forum
9. Non-destructive testing of valves - HCBBS Forum
10. Beware: the relocation of chemical companies is yet another instance of a harmful transfer - HCBBS Forum
11. It’s just weird - HCBBS Forum
12. Quality of methyl oxidomorpholine product - HCBBS Forum
13. When assembling the segmented tower, how do you straighten the two sides of the tower? - HCBBS Forum
14. Trouble understanding grounding? - HCBBS Forum
15. Compression system settle out pressure - HCBBS Forum
16. Analysis of the high consumption in dimethyl ether production - HCBBS Forum
17. Air respirator - HCBBS Forum
18. What are the considerations for the layout of salt acid pipelines? - HCBBS Forum
19. When choosing a water purifier, the reverse osmosis membrane is key - HCBBS Forum
20. How to calculate the heat transfer rate at the upper end of the primary cooler in a 1.5 million tons/year coke oven gas process? - HCBBS Forum
21. Using htri to calculate the air cooler results in a \"run failed\" message. Newbie seeking help - HCBBS Forum
22. What are the causes of fluctuations in the pressure difference at the slag outlet of the gasifier? - HCBBS Forum
23. 【Daily Question】11.17 Multiple-choice question: When a plant is put into operation, interlocks are generally enabled at ( ) - HCBBS Forum
24. 【Daily Question No. 61】November 24, 2015: +2 wealth for participation, +3 to +8 wealth for correct answers - HCBBS Forum
25. e-44 thinner - HCBBS Forum
26. Inspections mainly focus on those - HCBBS Forum
27. Is it necessary to upgrade the material of the equipment according to the conditions in sulfur chemical production? - HCBBS Forum
28. What is a metal diaphragm metering pump? - HCBBS Forum
29. Is p-xylene present in the gasoline fraction of MTG/MTA units? - HCBBS Forum
30. The effect of reaction temperature on bed temperature - HCBBS Forum
31. Problems with vacuum units - HCBBS Forum
32. Urgently seeking the testing methods for the desulfurization solution in the ammonia-based desulfurization process of coke oven gas - HCBBS Forum
33. Water-in-dispersed water is abnormal - HCBBS Forum
34. What is the effect of ammonia in raw gas on shift catalysts? - HCBBS Forum
35. Does anyone with experience know any good methods for dealing with broken rods, broken cylinder bolts, and scattered rods in wet overflow rod mills! - HCBBS Forum
36. Overview of the Development of the Methanol-to-Olefins Industry in East China - HCBBS Forum
37. What made us stop in touch? - HCBBS Forum
38. Manual ignition of the torch for the Yili Xintian coal chemical project was successful on the first attempt - HCBBS Forum
39. Effect of diameter changes before and after the throttle valve on the fluid - HCBBS Forum
40. I request that experts upload a harmonized version of Alfa Laval’s software, or software for calculating and selecting heat exchangers from other well-known manufacturers - HCBBS Forum
41. What are the basic requirements for the design of high-pressure vessels? - HCBBS Forum
42. ★Specialized Examination for Chemical Engineering ★ — One question per day (2015-11-19) — Points are awarded for participation - HCBBS Forum
43. HONEYWELL HPM AO output AUTO, MAN issues - HCBBS Forum
44. Shuangda is seeking a workshop supervisor - HCBBS Forum
45. What type of gasket is suitable for low-pressure steam pipelines? - HCBBS Forum
46. 【Daily Question】November 16, 2015 – Participate for +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
47. How to stay away from organic pollution? - HCBBS Forum
48. A question for a beginner, related to air dew point! - HCBBS Forum
49. Interference in the 4-20mA signal feedback from field instruments (causes and solutions) - HCBBS Forum
50. Check the wire - HCBBS Forum
51. 【Daily Question】Question 43: Test question from issue 20151117 (Repeat +2)； For the other +3) - HCBBS Forum
52. Low-temperature impact issues in low-temperature equipment - HCBBS Forum
53. Is it normal for the welds formed by bridging welding between 310S stainless steel pipes to be very dark when welded using TIG welding? - HCBBS Forum
54. Problems Encountered and Analysis in the Commissioning of Microcomputer Protection Systems in 10KV Substations - HCBBS Forum
55. How should iron contamination in resin be dealt with? - HCBBS Forum
56. Is there a relationship between an electromagnetic flowmeter and the density of the medium? - HCBBS Forum
57. Are you the type of person who turns on their computer just to use their phone? - HCBBS Forum
58. Which type of catalyst market is relatively strong in the domestic market? - HCBBS Forum
59. Questions regarding the sealing at the bottom of the self-controlled cabinet. - HCBBS Forum
60. The top ten new energy sources to replace traditional energy sources - HCBBS Forum
61. Are there any factors that affect the detection of vanadium in wastewater? - HCBBS Forum
62. Guangming Daily: “Vertical management” helps to strengthen environmental protection enforcement - HCBBS Forum
63. Sign-in record post from November 24, 2015 - HCBBS Forum
64. What is a good translation for “downstream tapping” in differential pressure flow meters? - HCBBS Forum
65. Search for boiler manufacturers with relevant experience in LNG natural gas liquefaction projects - HCBBS Forum
66. Question 93 on Boiler Foundations, November 19: (A certain score will be given to the top 40) - HCBBS Forum
67. The issue of excessive iron content in acid produced by synthetic furnaces - HCBBS Forum
68. Supervise and control these people properly - HCBBS Forum
69. Competency model for change teams - HCBBS Forum
70. I have access to various resources from design institutes; manufacturers of valves, instruments, and pumps can get in touch with me - HCBBS Forum
71. Energy-saving technology for mixed-flow high-efficiency turbines in industrial cooling towers - HCBBS Forum
72. Do acid storage tanks with high concentrations of acid require toxic gas alarms? - HCBBS Forum
73. Seek a method for detecting the activity of fatty acid ethyl esters - HCBBS Forum
74. How to use heat transfer oil to heat reactors at different temperatures? Thank you~ - HCBBS Forum
75. Discussion on ammonia leak testing for heat exchangers - HCBBS Forum
76. 【Weekly Question】Design load of catalytic cracking units and current operational bottlenecks - HCBBS Forum
77. Rod mill problems - HCBBS Forum
78. How can the coal chemical industry get through the winter? - HCBBS Forum
79. Sign-in record post from November 22, 2015 - HCBBS Forum
80. Selection of control scheme for flue gas purification system: PLC or DCS - HCBBS Forum
81. How can one determine that an activated carbon filter has reached saturation? - HCBBS Forum
82. What are the advantages and disadvantages of the pipeline spray flue gas desulfurization technology? - HCBBS Forum
83. What special instruments are needed to measure oxygen and liquid oxygen? - HCBBS Forum
84. Laser particle analyzer - HCBBS Forum
85. Screen mesh count and pore size specification table - HCBBS Forum
86. Design for oil removal by aeration - HCBBS Forum
87. Does the PO storage tank require a self-regulating valve or a nitrogen seal? - HCBBS Forum
88. Institutions predict that global propylene production capacity will increase by 30 million tons in the next 5 years - HCBBS Forum
89. 20 \"must-haves\" for security management" - HCBBS Forum
90. How is the safety barrier powered? - HCBBS Forum
91. Problems with resin bases - HCBBS Forum
92. Seeking help with PID PFD for coal-based syngas - HCBBS Forum
93. Can a 35m3 double-headed atmospheric pressure equipment be used as a negative pressure equipment? - HCBBS Forum
94. 5 years of experience as a construction and installation engineer + 2 years as chief technical officer + English as a working language + seeking work abroad - HCBBS Forum
95. In one’s life, one has to take many paths - HCBBS Forum
96. Temperature difference between top and bottom of the stripping tower - HCBBS Forum
97. 1 million tons of delayed coking cycle ratio - HCBBS Forum
98. Five field applications where it’s easy to mistake an issue for a malfunction in an electromagnetic flowmeter – how many of these have you encountered? - HCBBS Forum
99. Is the ultimate pressure of a vacuum pump gauge pressure or absolute pressure? - HCBBS Forum
100. I hope the experts here can help me calculate the diameter of the flow control orifice plate - HCBBS Forum