English — Forum #723 (Page 171/642)

1. Who has an animation of a multi-pass heat exchanger? - HCBBS Forum
2. What is the principle of stepless airflow regulation in the new hydrogen compressor? - HCBBS Forum
3. Daily Question 2016.8.18 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
4. Question 35 on the first day of 2010, at 3 p.m.: Pipe model - HCBBS Forum
5. What are the 3 wiring methods for intelligent valve positioners? - HCBBS Forum
6. How to select the convection section for an Aspen simulated heating furnace? - HCBBS Forum
7. GB 3883.1-2014 Safety of hand-held and portable power tools and garden tools – Part 1: General requirements - HCBBS Forum
8. Does enlarging the diameter of the water pump outlet pipe affect pressure? - HCBBS Forum
9. Doubts about the appearance of the sulfur acid tailwash chimney - HCBBS Forum
10. What kind of storage tanks are used for storing pentane oil? Does anyone know? Thank you 111 - HCBBS Forum
11. Definition of fineness - HCBBS Forum
12. Iron analysis in water - HCBBS Forum
13. Centrifugal compressor oil station oil heater - HCBBS Forum
14. Process for producing high-purity water from secondary deionized water - HCBBS Forum
15. Flow meter selection issues - HCBBS Forum
16. Environmental Protection Daily Tip – August 16: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
17. 【Daily Topic】【Production Version 20160815】 - HCBBS Forum
18. The issue of catalyst coking removal in the furnace tubes of hydrogen production converters - HCBBS Forum
19. Daily Question 2016.8.24 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
20. The dissolved oxygen level in the aerobic tank is only around 0.3 – how can this be resolved? - HCBBS Forum
21. 【Daily Question】August 20, 2016 – Participate to earn +2 wealth； +3 to +10 wealth for correct answers - HCBBS Forum
22. 【Daily Topic】【Production Version 20160822】 - HCBBS Forum
23. 【Daily Topic】【Engineering Version 20160819】 - HCBBS Forum
24. Four suggestions to improve the effectiveness of safety inspectors - HCBBS Forum
25. Three-phase distillation - HCBBS Forum
26. Discussion on the process of producing LNG by liquid nitrogen washing of coke oven gas and simultaneous ammonia synthesis - HCBBS Forum
27. Deviation in the water cooler at the top of the distillation tower - HCBBS Forum
28. Why is **furan generated in coal-based ethylene glycol? - HCBBS Forum
29. Valve torque: Ball valve - HCBBS Forum
30. Reasons for compressor rotor blade failure - HCBBS Forum
31. Emergency shut-off valve for LNG atmospheric storage tanks - HCBBS Forum
32. The problem of rapid corrosion in the atmospheric pressure tower top gasoline vapor cooler - HCBBS Forum
33. How is the delivery distance of oil mist in an oil mist lubrication system determined? - HCBBS Forum
34. 【Weekly Topic】【Storage & Transportation Version 20160810】 - HCBBS Forum
35. Cheer for the Chinese women’s volleyball team - HCBBS Forum
36. It pains my heart every time I flush the toilet with clean tap water – how much longer will water resources last? - HCBBS Forum
37. How are the design pressure, design temperature, and operating medium for various grades in the pipeline material grade table determined? - HCBBS Forum
38. Preparation of large-particle cobalt sulfate in OSLO - HCBBS Forum
39. China’s first E-GAS gasification furnace has been successfully manufactured - HCBBS Forum
40. HaiChuan netizen, don’t you know? Come, look here - HCBBS Forum
41. How is the compound fertilizer market? - HCBBS Forum
42. Regarding the corrosion of metals by hydrochloric acid - HCBBS Forum
43. I went to get the certificate yesterday; I came here to spend money today - HCBBS Forum
44. Feasibility of a double-shell-pass heat exchanger? - HCBBS Forum
45. Daily Security Technology Quiz (Single-choice Question) (2016.8.23) - HCBBS Forum
46. 【Recommendation】Recruitment for Everbright Environmental Protection Wuxi project now open - HCBBS Forum
47. Which brand of lubricating oil system is commonly used in centrifuges? - HCBBS Forum
48. 2013 Professional Knowledge Morning Question 18 - HCBBS Forum
49. Is protection required for outdoor fire alarm pull stations (explosion-proof type)? - HCBBS Forum
50. Weekly Urea Market Report for the Second Week of August 2016 - HCBBS Forum
51. Here’s a little question for you: what is the opposite of stainless steel? - HCBBS Forum
52. Total sulfur content in the feed to the styrene plant - HCBBS Forum
53. 【Daily Topic】【Engineering Version 20160814】 - HCBBS Forum
54. 【Daily Topic】【Electrical Edition 20160820】 - HCBBS Forum
55. How to calculate the stagnation pressure of a circulating hydrogen compressor? - HCBBS Forum
56. Has anyone worked on fire-related automatic control systems? - HCBBS Forum
57. Relationship between the nominal volume and the actual volume of pressure vessel workers - HCBBS Forum
58. Seeking a thread that aggregates past Juhua exam questions - HCBBS Forum
59. I have a question regarding the calculation of heat during the insulation process - HCBBS Forum
60. Can a water temperature of 39.5 degrees in the biochemical tank easily cause activated sludge bulking? - HCBBS Forum
61. Answer - HCBBS Forum
62. Crystallization during the production of sodium hypochlorite - HCBBS Forum
63. Distillation column in full reflux operation - HCBBS Forum
64. [Wuxi Guolian] Wuxi Huaguang New Power is urgently seeking design engineers - HCBBS Forum
65. Standards related to heat tracing in pipelines - HCBBS Forum
66. Copper and iron spark issues - HCBBS Forum
67. I would like to ask the experts about the issue of putting steam evacuators into use - HCBBS Forum
68. Safety Technology Exchange Edition: Daily Question (2016.8.12) - HCBBS Forum
69. The Chinese women’s volleyball team meets the Dutch team in the semifinals - HCBBS Forum
70. What molecular sieve is used in LPG to remove odors? - HCBBS Forum
71. An update on the latest projects of Sichuan Air Separation Group, August 12, 2016: News from the air separation industry - HCBBS Forum
72. How to achieve free message positioning control for S120 CU320-2DP? - HCBBS Forum
73. 【Weekly Topic】【Quality Version 20160817】 - HCBBS Forum
74. What are the differences between hydrogen embrittlement and hydrogen corrosion in terms of phenomena, mechanisms, and preventive measures? - HCBBS Forum
75. Imported machine tools struggle in the severe cold; service is a weak point - HCBBS Forum
76. Shutdown passivation of hydrogenation reactor - HCBBS Forum
77. Does anyone with expertise have maintenance plans for various types of instruments? Could they share them? - HCBBS Forum
78. Thinning of the wall thickness in the methanol-water separation tower for low-temperature methanol washing - HCBBS Forum
79. 【Weekly Topic】【Storage & Transportation Version 20160811】 - HCBBS Forum
80. Gasifier wall temperature - HCBBS Forum
81. Graduating next year, feeling lost about the future - HCBBS Forum
82. Features of LNG unloading pumps - HCBBS Forum
83. Can methanol tank trucks transport other hazardous chemicals? - HCBBS Forum
84. Regarding the Reaction Axe Thermometer option type - HCBBS Forum
85. Daily Safety Technology Quiz (Single-choice Question) (2016.8.20) - HCBBS Forum
86. Problems with valves for pressurizing low-pressure pipelines with oxygen - HCBBS Forum
87. 【Q&A Question 116】2016.08.14 - HCBBS Forum
88. I would like to ask fellow sailors: What type of corrosion causes severe corrosion in the vaporization superheater used in methanol-to-hydrogen production? - HCBBS Forum
89. 【Daily Question】August 17, 2016: +2 wealth for participation； +3 to +10 wealth for correct answers - HCBBS Forum
90. I’m glad to be on this forum! - HCBBS Forum
91. Can the oil injector and auxiliary oil pump be turned off when cranking a reciprocating compressor regularly? - HCBBS Forum
92. What does pipeline number mean? - HCBBS Forum
93. Pipeline pressure relief safety valve - HCBBS Forum
94. Process specifications for bleaching powder - HCBBS Forum
95. 【Picture of the Day】2016 08 23 What is the main device in this image? One can guess what its capacity for wealth is plus... - HCBBS Forum
96. What considerations underlie the value of 0.6 in the ASME internal pressure formula and 0.5 in the national standards? - HCBBS Forum
97. Can pipes pass through beams? - HCBBS Forum
98. 2012 Professional Knowledge Morning 55 - HCBBS Forum
99. I kindly ask fellow sailors to provide an answer - HCBBS Forum
100. Can’t view attachments on an iPhone? Attach below? - HCBBS Forum