English — Forum #723 (Page 331/642)

1. Scope of supervision and inspection for pressure pipelines - HCBBS Forum
2. 【Joint Study*】【Civil Engineering Version 20160307】 - HCBBS Forum
3. 【Daily Topic】【Electrical Edition 20160308】 - HCBBS Forum
4. What are the latest processes for alkylation? - HCBBS Forum
5. Low-temperature storage tank - HCBBS Forum
6. Safety liquid level height of the spherical tank - HCBBS Forum
7. What is the maximum capacity in ten thousand cubic meters that has been achieved for our **large storage tanks? - HCBBS Forum
8. Pneumatic control valve - HCBBS Forum
9. Hydrocracking feedstock specifications - HCBBS Forum
10. Comparison of the quality of turbine manufacturers in the synthetic ammonia production process - HCBBS Forum
11. How to check for leaks and air leakage in a biogas digester - HCBBS Forum
12. Control method for overheating in the superheating section during hydrogen production startup and steam grid connection - HCBBS Forum
13. 【Daily Question】3.7 Multiple-choice question: When entering equipment equipped with mixing devices to carry out work, in addition to complying with the safety regulations set by the Ministry of Chemical Industry... - HCBBS Forum
14. Coal tar catalytic cracking process - HCBBS Forum
15. How much spare parts should be kept? - HCBBS Forum
16. Acidic production of cowhide glue - HCBBS Forum
17. What is open inventory? Closed inventory? - HCBBS Forum
18. The effect of water on palladium/carbon catalysts - HCBBS Forum
19. Do you think those joint-venture control valves offer good value for money? Please recommend some. - HCBBS Forum
20. 【Daily Question】Petroleum Pretreatment Section 2016 03 16 - HCBBS Forum
21. Analysis of common faults in three-phase asynchronous motors - HCBBS Forum
22. Although I don’t like this profession, I still have to do my best to do it well - HCBBS Forum
23. Outer diameter of the pipe after insulation installation - HCBBS Forum
24. Performance of space furnaces – seeking expert explanations - HCBBS Forum
25. 【Weekly Topic】【Engineering Version 20160311】 - HCBBS Forum
26. New technology for storing grain using biogas - HCBBS Forum
27. Why is a circulation water concentration factor of 4-5 times designed? - HCBBS Forum
28. Crowdfunding for “Refinery Design and Engineering” - HCBBS Forum
29. 【Daily Question No. 99】March 09, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
30. What are the reasons for the high exhaust temperature in reciprocating compressors? - HCBBS Forum
31. Seek answer: Design requirements for composite tube sheets in heat exchangers - HCBBS Forum
32. Zhejiang University Zhongkong DCS regarding automatic temperature control issues - HCBBS Forum
33. Given the significant energy-saving benefits of steam regenerators, why are they not used more in practice? - HCBBS Forum
34. Does anyone here know the model of the clamped connection fittings for instrument air supply pipes? - HCBBS Forum
35. Case Analysis (13): How do you make the decision? - HCBBS Forum
36. Is the installation of insulation sheeting inside a running device considered a hot work task? - HCBBS Forum
37. 5- The feather leaf separator is used in the design of the secondary steam for the MVR evaporation crystallizer in ammonium sulfate (sulfuric acid AN) mixed acid systems - HCBBS Forum
38. Domestically produced silica that can replace imported versions - HCBBS Forum
39. Basic knowledge of sensors and common terms - HCBBS Forum
40. Currently working as a junior staff member in a department at a state-owned steel plant - HCBBS Forum
41. The explanation of the “optimal efficiency point of pumps” in API610 - HCBBS Forum
42. 【Basic Knowledge Activity】Professional “Basic Knowledge” in the petrochemical industry: What is the four-stage distillation process? - HCBBS Forum
43. Effect of steel pipe material on results in HTRI calculations - HCBBS Forum
44. Case Analysis (8): How do you decide? - HCBBS Forum
45. 【Basic Knowledge Activity】Saturated Vapor Pressure – a Key “Basic Knowledge” Topic in the Petrochemical Sector - HCBBS Forum
46. Are there any acid-resistant resins that can absorb organic substances in salts and acids? - HCBBS Forum
47. 【Daily Topic】【Quality Version 20160307】 - HCBBS Forum
48. Regarding reactors and distillation columns - HCBBS Forum
49. Does anyone know anything about TAME? - HCBBS Forum
50. Current process flow diagram for acrylonitrile - HCBBS Forum
51. 【Chemical Process Operation】The normal top pressure rises to 120 kPa when the weather temperature is 20 degrees – how to reduce it? - HCBBS Forum
52. Regarding valve positioners - HCBBS Forum
53. Looking for a job in evaporation crystallization, piping design, pipeline construction, or on-site process commissioning - HCBBS Forum
54. Analysis Meeting on the Nitrogen Fertilizer Market Situation in Spring 2016 Held in Xiamen - HCBBS Forum
55. Heat absorbed by 1.3MPA high-temperature water turning into steam, thank you - HCBBS Forum
56. 【Chemical Engineering Theory】Etherified gasoline turns black in color - HCBBS Forum
57. Newbie seeking help~ regarding the basic exam - HCBBS Forum
58. 【Mechanical Area】Recruitment for moderators & technicians – applications and referrals are welcome.【Valid indefinitely】【If you’re interested, come ahead!】 】 - HCBBS Forum
59. 【Daily Question】 Hydrogenation Sector 2016-03-16 Multiple Choice Question - HCBBS Forum
60. Heat exchanger Flow-through shell - HCBBS Forum
61. Top and side mounting of fixed ball valves - HCBBS Forum
62. 【Joint Study*】【HVAC Version 20160308】 - HCBBS Forum
63. Selection of tube bundle material for open-loop water coolers - HCBBS Forum
64. Female sailors receive holiday benefits! - HCBBS Forum
65. 【Weekly Topic】【HVAC Version 20160315】 - HCBBS Forum
66. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 260 - HCBBS Forum
67. What is the purpose of a valve installed at the outlet of a screw conveyor? - HCBBS Forum
68. Determination of airtight pressure - HCBBS Forum
69. 【Chemical Industry Information】The functions of pure benzene - HCBBS Forum
70. Which is more efficient, plate corrugated packing or mesh packing? - HCBBS Forum
71. What are the reasons for high vibration in shielded pumps? - HCBBS Forum
72. What are the spare parts for vacuum belt filter machines? - HCBBS Forum
73. What is the reason for the slow rise in the main cooling liquid level inside the air separation cold box? - HCBBS Forum
74. 【Daily Question】March 15, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
75. I have a question regarding bolt strength! - HCBBS Forum
76. It’s so frustrating - HCBBS Forum
77. 【Daily Question】3.16 Multiple-choice question: The type of fire that cannot be extinguished using a carbon dioxide fire extinguisher is ( ) - HCBBS Forum
78. Reasons for the breakage of the pin in the coupling of high-pressure injection pumps - HCBBS Forum
79. I have a question for everyone regarding the equipment; there’s a reward available! - HCBBS Forum
80. Questions regarding the eligibility requirements for registering as a Public Equipment Engineer – solutions provided - HCBBS Forum
81. How are various types of flowmeters calibrated? The calibration medium is different from the operating medium - HCBBS Forum
82. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 259 - HCBBS Forum
83. 【New Energy Applications】Which are safer: lithium iron phosphate batteries or ternary lithium batteries? - HCBBS Forum
84. The issue of allowable stress for CAESAR materials - HCBBS Forum
85. Nature confirms a milestone breakthrough in China’s coal-to-olefins technology: high efficiency and low consumption - HCBBS Forum
86. Simple words, but they can make spoken language sound more natural-3 - HCBBS Forum
87. Can manufacturing enterprises apply for design qualifications for pressure pipelines? - HCBBS Forum
88. [Catalytic Cracking] Can the ignition procedure for sulfur recovery be adapted to the ignition process in catalytic cracking? - HCBBS Forum
89. Regarding flowmeter piping issues - HCBBS Forum
90. I have a few questions regarding heat exchange that I’d like to ask everyone - HCBBS Forum
91. Chain plate conveyors have lower power consumption at the same conveying capacity - HCBBS Forum
92. Heat the boiler feed water to 200 degrees - HCBBS Forum
93. Pressure vessel material specification - HCBBS Forum
94. Help: Experts, how many liquid level gauges are there for oil tanks? - HCBBS Forum
95. Which are the manufacturers of CO sulfur-tolerant shift reactors? - HCBBS Forum
96. 【Daily Topic】【Electrical Edition 20160310】 - HCBBS Forum
97. 【Daily Topic】【Quality Version 20160309】 - HCBBS Forum
98. 【Alkylation】Dehydrator of alkylation unit contains acid - HCBBS Forum
99. National market prospects for low-pressure steam waste heat power generation - HCBBS Forum
100. What are the requirements for sulfur content in biogas? - HCBBS Forum