English — Forum #723 (Page 491/642)

1. What is safety technical economic analysis? - HCBBS Forum
2. Urgently need hydrogen sulfide removal equipment for natural gas, 50,000 cubic meters per day - HCBBS Forum
3. What are the common defects in tower manufacturing? - HCBBS Forum
4. What are the main components of refinery exhaust gas (untreated)? - HCBBS Forum
5. What is the effect of pressure on methanol synthesis? - HCBBS Forum
6. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 196 - HCBBS Forum
7. Does the rotor of a rotameter rotate? - HCBBS Forum
8. Hydrorefining is about to be shut down – any questions? - HCBBS Forum
9. A tough mother teaches her daughter how to find a partner: she just wants a house - HCBBS Forum
10. 【Pre-processing Section】Vote for the Best Member of October to Claim Prizes - HCBBS Forum
11. The working principle of equalizing orifice plates and submersible orifice plates. - HCBBS Forum
12. 12% ammonia solution concentrated to 20% - HCBBS Forum
13. How many hours do you work per day on average? - HCBBS Forum
14. 【Daily Question】Question from the 20151021 issue - HCBBS Forum
15. Fire emergency response plan - HCBBS Forum
16. Doing logic puzzles will keep you from feeling sleepy - HCBBS Forum
17. What are solid waste incinerators, the treatment of molten salts after incineration, and the composition of fly ash? - HCBBS Forum
18. [Discussion] Question 58 on Boiler Foundations, October 11: (A certain score will be given to the top 40) - HCBBS Forum
19. Usage of Siemens 1200/1500 - HCBBS Forum
20. What does induction steam mean? - HCBBS Forum
21. What do you do on the weekends? - HCBBS Forum
22. To be honest, what do people think of the industry these days? - HCBBS Forum
23. Take a 10-minute break during work hours - HCBBS Forum
24. Regarding the issue of pump and compressor turning - HCBBS Forum
25. Antioxidant mixed into n-butanol - HCBBS Forum
26. What are the various methods for measuring flue gas flow rate? - HCBBS Forum
27. Regarding the issue of thread waterproofing - HCBBS Forum
28. 【Daily Question】Question from Issue 20151012 - HCBBS Forum
29. The countdown for the “Haichuan Irrigation Co., Ltd. Shop” has begun! - HCBBS Forum
30. Injection molding vs Fire protection - HCBBS Forum
31. One post per day - HCBBS Forum
32. What are the common standards for valves and flanges? ? Urgently needed - HCBBS Forum
33. Issues with measuring the thickness of old gaskets - HCBBS Forum
34. 【Daily Question】Question from Issue 20151008 - HCBBS Forum
35. 【Daily Question】Question from Issue 20151016 - HCBBS Forum
36. In the HG standards, what is the outer diameter of the A series pipes with DN65? - HCBBS Forum
37. What type of coating is suitable for corrosion protection of equipment in fertilizer production workshops? - HCBBS Forum
38. What to do about electric leakage? - HCBBS Forum
39. Working hardening exponent and strain hardening exponent... - HCBBS Forum
40. Xiaobao was born - HCBBS Forum
41. Reasons for the peeling of the paint coating on the surface of cranes – geometry - HCBBS Forum
42. Crude oil prices continue to fall; average prices of domestic refined petroleum products decline - HCBBS Forum
43. Can the STL alloy, which is the material of the valve core, be used as a substitute for 13Cr? - HCBBS Forum
44. How come time turning into wealth is gone? - HCBBS Forum
45. Is it possible to reduce both the inlet and outlet sizes of a centrifugal pump at the same time? - HCBBS Forum
46. Siemens reducer bevel gear-helical gear reduction motor 3KW - HCBBS Forum
47. One Question per Day, October 8, 2015 - HCBBS Forum
48. Conversion of coke oven gas to LNG - HCBBS Forum
49. The prospects of using wind power for hydrogen production - HCBBS Forum
50. Search for literature on the application of DCS and SIS in the chemical industry - HCBBS Forum
51. Is the liquid ring vacuum pump noisy? - HCBBS Forum
52. Amorphous silicon appears in the crossbeams of silicon rods - HCBBS Forum
53. Briefly describe the principles and technologies of clean production in the chemical industry. - HCBBS Forum
54. The Ministry of Environmental Protection rejects environmental impact assessments for 151 projects; total investment amounts to 760 billion yuan. Is New Sky’s coal-to-gas project still viable? - HCBBS Forum
55. 【Daily Question】Question from Issue 20151013 - HCBBS Forum
56. What is 100 kPa equal to? Experts, come in - HCBBS Forum
57. The differential pressure flow transmitter has large data errors - HCBBS Forum
58. Looking for a job; if any experts see something suitable, please take it - HCBBS Forum
59. Does the amine solution (MDEA) pipeline need to be degreased? - HCBBS Forum
60. Questions regarding how to calibrate the zero point of a gauge pressure transmitter - HCBBS Forum
61. Professor Xiao Jie’s early badminton video tutorials - HCBBS Forum
62. 【Daily Question】Question from Issue 20151015 - HCBBS Forum
63. Thoughts on the Pressure Vessel Training, Assessment, Review, and Defense Session – First Session in 2015 (Kunming) - HCBBS Forum
64. Is it better to watch a movie at home with a computer or at the cinema? ? ? - HCBBS Forum
65. Does the mass change when saturated steam is heated to become superheated steam? - HCBBS Forum
66. Consultants with backgrounds in chemistry, materials science, and biochemistry (monthly salary: 4,000–10,000 RMB) - HCBBS Forum
67. I would like to ask everyone why a laptop does not need a CP5611 to connect to a PLC? - HCBBS Forum
68. 【High School Activities】038+A Little Showoff+Fish in the Desert - HCBBS Forum
69. Do registered safety engineers need to go to a designated location to register in person? - HCBBS Forum
70. 【Daily Question No. 33】October 15, 2015: +2 wealth for participation, +3 additional wealth for a correct answer - HCBBS Forum
71. Regarding whether energy conservation and consumption reduction can lead to an expansion of the sewage blower pipeline - HCBBS Forum
72. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 333 - HCBBS Forum
73. Light benzene is red in color - HCBBS Forum
74. Questions regarding learning about solenoid valves, as well as relay wiring, etc - HCBBS Forum
75. What is the function of the compressor’s excitation motor and how does it work? - HCBBS Forum
76. What to do if the absorption device for producing acid from low-concentration flue gas gets clogged easily? - HCBBS Forum
77. Can the heat transfer oil after dehydrogenation still be used normally? - HCBBS Forum
78. With so many injuries among the Rockets’ interior players, is the team’s season in jeopardy? - HCBBS Forum
79. Jiangsu Engao Industrial Technology Research Institute is recruiting professionals in the chemical field - HCBBS Forum
80. 【Daily Question】 October 11th: What is the typical grade of lubricating oil used in centrifugal pumps? ? ? ? - HCBBS Forum
81. What type of fans are used for the ventilation system in water cooling towers? What are the features? - HCBBS Forum
82. Which department is responsible for calibrating gas detectors? - HCBBS Forum
83. Dew point sensor - HCBBS Forum
84. Reactor airtightness test - HCBBS Forum
85. What do the terms CSO\CSC mean for valves? - HCBBS Forum
86. It’s time again to struggle with what to eat for lunch - HCBBS Forum
87. Material of mechanical seal O-ring - HCBBS Forum
88. 【Daily Question】10.8 Back +2； To +3 - HCBBS Forum
89. [Forward] I think it’s good! - HCBBS Forum
90. The atmosphere has eased; MTBE prices remain on a downward trend regionally (20151013) - HCBBS Forum
91. Looking for recommended PLC system integrators - HCBBS Forum
92. 【College Activities】042+Went to the Wrong Classroom+Fish in the Desert - HCBBS Forum
93. How to calibrate an absolute pressure transmitter with a measurement range of 0–200 kPa? - HCBBS Forum
94. Situation after leakage of the centrifugal pump seal - HCBBS Forum
95. The issue of discharge time after a safety valve activates - HCBBS Forum
96. The color of the hydrogenation catalyst has turned red now - HCBBS Forum
97. Problems with LNG liquefaction solutions - HCBBS Forum
98. Briefly describe the main aspects of wastewater grading treatment. - HCBBS Forum
99. I would like to ask what type of gas concentration is actually measured by the portable combustible gas detector used on site? - HCBBS Forum
100. Sulfidation of conversion catalyst - HCBBS Forum