English — Forum #723 (Page 472/642)

1. Discussion on issues such as prefabricated installation construction methods, construction organization, and quality in pipeline engineering - HCBBS Forum
2. Process ledger - HCBBS Forum
3. What does the destructive inspection of welds include? - HCBBS Forum
4. Civil Engineering Structure Discussion Area ----【Daily Question】Question from Issue 20151105 - HCBBS Forum
5. What is the sphericity of resin? - HCBBS Forum
6. The probe is intrinsically safe, the cable is also intrinsically safe; since the transmitter is located outside the explosion-proof area, is it still necessary to have an intrinsically safe design? - HCBBS Forum
7. 【Daily Question】2015.11.03 Welded Joints (2 wealth points for a reply + 3–8 additional wealth points if the answer is correct) - HCBBS Forum
8. Internal friction angle of the material and friction angle of the shell wall - HCBBS Forum
9. What are the functions of a filter drainage device? - HCBBS Forum
10. Shenhua and SEI are collaborating on the development of the process package for the hydrocarbon blending unit (Fischer-Tropsch synthesis) for Lines 2 and 3 of the Ordos coal direct liquefaction project - HCBBS Forum
11. Installation location of control valve - HCBBS Forum
12. For a storage tank with specifications of Φ13m×10.8m and a flat roof, how should supports be added inside, and how is this calculated? - HCBBS Forum
13. Marking of stainless steel manholes - HCBBS Forum
14. Problems with York refrigerators? - HCBBS Forum
15. I would like to ask the experts in methanol plants: how much steam is required to distill one ton of methanol? - HCBBS Forum
16. Understanding electricity - HCBBS Forum
17. 【Daily Question】11.4 True or False: Seal oil density - HCBBS Forum
18. Affected by imported crude oil, the domestic refining feedstock market is undergoing reshuffling - HCBBS Forum
19. 0.5 class turbine flow meter - HCBBS Forum
20. International oil prices continue to fall - HCBBS Forum
21. Rosin exhaust absorption - HCBBS Forum
22. 【Daily Question】Question for Issue 20151029 - HCBBS Forum
23. Regarding allowable stress - HCBBS Forum
24. One question per day (multiple choice) - HCBBS Forum
25. What are the consequences of global warming? - HCBBS Forum
26. 【Daily Question】10.27 True or False: Control of coolant flow rate (Reply with +2 wealth) - HCBBS Forum
27. 【Weekly Question】+9 for correct answers, +2 for participation； Close this post on Sunday - HCBBS Forum
28. Components of the terminator - HCBBS Forum
29. High turbine shaft vibration - HCBBS Forum
30. What are the psychological effects of color? - HCBBS Forum
31. Environmental Protection Daily Quiz: Participate on 10/30 for prizes; 3 correct answers earn an additional prize - HCBBS Forum
32. Question 79 on boiler foundations, November 2: (A certain score will be given to the top 40) - HCBBS Forum
33. Who has the contact number of the manufacturer of fiber mist eliminators? - HCBBS Forum
34. Why can’t liquid ammonia be completely unloaded using a pump? - HCBBS Forum
35. What is safety value engineering? - HCBBS Forum
36. New employee training course materials - HCBBS Forum
37. Urgent: Factors affecting denitration in catalytic cracking - HCBBS Forum
38. 【Daily Question】10.27 Multiple-choice question: During the pre-sulfurization of a catalyst, at a certain pressure, there is an optimal value - HCBBS Forum
39. Briefly describe how many forms exist for the sectional lifting method of tower-type equipment? - HCBBS Forum
40. ICP - HCBBS Forum
41. Problems encountered in diesel distillation - HCBBS Forum
42. Who knows the function of the upper and lower rollers in a large-grain crusher? - HCBBS Forum
43. Sign-in record post from November 2, 2015 - HCBBS Forum
44. 【Daily Question】11.4 Multiple-choice question: In an emergency, close the emergency shut-off valves from high pressure to low pressure at the outdoor operation site - HCBBS Forum
45. Some problems encountered during the pilot tests! - HCBBS Forum
46. GB50351-2014 and GB50351-2005 regarding the distance from spherical tanks to the inner toe line of the fire dike - HCBBS Forum
47. 【Daily Question】Question from Issue 20151102 - HCBBS Forum
48. Does anyone have the company’s regulations for online monitoring? - HCBBS Forum
49. Problem with external hot steam drum blowdown! ! ! Please, expert!………… - HCBBS Forum
50. Which department is responsible for organizing the demonstration of new processes? - HCBBS Forum
51. For the physicochemical adsorption method of wastewater, what are the commonly used adsorbents? - HCBBS Forum
52. Which domestic CNG compressors are the best? - HCBBS Forum
53. Seeking development on divergent paths: Shandong’s local refining facilities keep pace with the times - HCBBS Forum
54. The comprehensive renovation project for producing methanol from coke oven gas has been approved for record-keeping - HCBBS Forum
55. New documents issued for first-class construction engineers - HCBBS Forum
56. *The wastewater resulting from acid pickling does not contain nitrogen emissions - HCBBS Forum
57. Emergency accident terminator - HCBBS Forum
58. How to choose? ? - HCBBS Forum
59. How do I label the height of a rectangular prism in an axonometric view? Thank you! - HCBBS Forum
60. Common brands of pressure reduction control valves used in 20MW small-scale chemical power generation systems - HCBBS Forum
61. Seal point statistics - HCBBS Forum
62. 0.05% salt, acid at 85°C – which stainless steel grades 2205, 2507, 904L can be used? - HCBBS Forum
63. The body is one’s own; I’m starting to wear thermal underwear from today! - HCBBS Forum
64. Oil and gas recovery facilities, residue oil and gas recovery facilities - HCBBS Forum
65. Requirements for materials in PED/CE containers - HCBBS Forum
66. I would like to ask whether a dihydrogen peroxide storage tank should be equipped with a cofferdam or a fire dike Urgent urgent urgent - HCBBS Forum
67. An online conductivity meter is installed on the low-pressure ash water pipeline of the GE coal-water slurry gasification system - HCBBS Forum
68. Questions regarding the selection of stainless steel pressure gauges - HCBBS Forum
69. Three and a half lines of dialogue - HCBBS Forum
70. May I ask how everyone determines the set pressure for the nitrogen seal? - HCBBS Forum
71. Capacity issues of the two-in-one graphite furnace - HCBBS Forum
72. 【Daily Question】11.1 Multiple-choice: What is the most praiseworthy aspect of a job? - HCBBS Forum
73. What are the common classification methods for pressure vessels? - HCBBS Forum
74. Normal pressure of instrument air for the solenoid valve of the nitrogen generator - HCBBS Forum
75. What are the characteristics of safe investments? - HCBBS Forum
76. Question 77 on Boiler Foundations, October 31: (A certain score will be given to the top 40) - HCBBS Forum
77. One question per day - HCBBS Forum
78. How to reduce the formation of cyclic polymers during the polymerization of caprolactam - HCBBS Forum
79. For the level gauge in a refrigerant storage tank that needs to be remote-controlled, what type of level gauge is required? - HCBBS Forum
80. Jiangsu Morgan High-Tech Materials Technology Co., Ltd - HCBBS Forum
81. The issue with the gas collector temperature, - HCBBS Forum
82. 【Daily Question】Question from Issue 20151103 - HCBBS Forum
83. One question per week, 2015.11.4 (EIA discussion); a reward of 3 Wealth points for participation (certain scores are given to the top 40 participants) - HCBBS Forum
84. Sludge pump selection issues - HCBBS Forum
85. How many steps are there in the catalytic reaction process of methanol? - HCBBS Forum
86. What’s going on with breaking open golden eggs these days? It only results in losses - HCBBS Forum
87. Can the cumulative total value of the cumulative flow rate for an electromagnetic flowmeter be changed arbitrarily? - HCBBS Forum
88. 【Daily Question】Question for Issue 20151028 - HCBBS Forum
89. 2015 Xiao Guoxiang’s in-depth lecture course videos and lecture notes - HCBBS Forum
90. Seek the PID diagram or physical diagram of the six protection circuits for the pump - HCBBS Forum
91. 【Daily Question】Question from Issue 20151029 - HCBBS Forum
92. What considerations should be taken into account when adjusting the reaction pressure in practical operations? - HCBBS Forum
93. Regarding pressure testing of valves and pipelines - HCBBS Forum
94. Looking for manufacturers of silicone oils for cosmetics - HCBBS Forum
95. 【Daily Question】Question for Issue 20151028 - HCBBS Forum
96. Diesel fuel’s freezing point and cold filter plugging point - HCBBS Forum
97. Are there flameproof NAMUR instruments? - HCBBS Forum
98. Urgently seeking chemical engineering technicians and team leaders - HCBBS Forum
99. Recently, the boiler section has used two different types of daily questions – which one do you prefer? - HCBBS Forum
100. How to collect dust - HCBBS Forum