English — Forum #723 (Page 503/642)

1. How to weld 304 heat exchange tubes and carbon steel sheet plates at a gauge pressure of 22.5 Mpa to ensure no leaks? - HCBBS Forum
2. My bike was stolen; it’s frustrating - HCBBS Forum
3. Consult about several testing devices–moisture, ash content, alkali content - HCBBS Forum
4. The boss saw me being lazy - HCBBS Forum
5. How large can stainless steel hydrogen peroxide storage tanks generally be? - HCBBS Forum
6. New technologies for bolt corrosion protection - HCBBS Forum
7. Quality standards for acetic acid solvents used in PTA production - HCBBS Forum
8. Recommendations for efficient utilization of waste heat in riser tubes - HCBBS Forum
9. 【Daily Question】October 16, 2015: Pressure Gauge (2 Wealth points for a reply; +3–8 additional Wealth points if the answer is correct) - HCBBS Forum
10. One Question per Day, October 9, 2015 - HCBBS Forum
11. Calculation of material weights for common components in pressure vessels - HCBBS Forum
12. “When does the “Where is Autumn?” event start? - HCBBS Forum
13. The solution pipe in the upper tower is blocked – how to deal with it? - HCBBS Forum
14. Tube sheet model? - HCBBS Forum
15. I need help from experts: for a water tank with a temperature range of 50–100 degrees Celsius and no pressure, what type of steel would be resistant to corrosion? ? - HCBBS Forum
16. Questions about online time? - HCBBS Forum
17. For newlyweds, who do you think makes better food, the husband or the wife? - HCBBS Forum
18. What is the impact of the reflux ratio on the operation of a distillation column? - HCBBS Forum
19. How to Achieve More Economical Oxygen Enrichment – Process Exploration of Pressure Swing Adsorption Oxygen Generation in Blast Furnaces - HCBBS Forum
20. An explosion occurred in a warehouse in Beichen District, Tianjin–it turned out to be an unlicensed warehouse; amazing! - HCBBS Forum
21. How to Love Our Children – Sharing Parent-Child Experiences to Spread Positive Energy - HCBBS Forum
22. The most effective methods and investment requirements for dehydrating vinyl chloride monomer at present - HCBBS Forum
23. Does API 594 include rubber-lined check valves? - HCBBS Forum
24. 【Daily Question No. 4】October 15, 2015: +2 wealth for participation, +3 additional wealth for a correct answer - HCBBS Forum
25. Are there any national standards or procedures for checking whether the grounding is in good condition? - HCBBS Forum
26. Pressure relief valve and pressure-controlled valve - HCBBS Forum
27. Design a packed distillation column using Aspen - HCBBS Forum
28. Heating furnace ignition - HCBBS Forum
29. Flexible design of pressure pipelines - HCBBS Forum
30. Environmental Protection Daily Quiz 10.14: Participate for prizes; 3 correct answers earn an additional prize of 2 - HCBBS Forum
31. 【Daily Question】Question for Issue 20151016 - HCBBS Forum
32. Energy-saving technology for three-stage centrifugal pumps - HCBBS Forum
33. Regarding the integrated filtration and drying machine - HCBBS Forum
34. Fenton oxidation treatment of high-salinity resin wastewater - HCBBS Forum
35. Sign-in record post from October 8, 2015 - HCBBS Forum
36. What are the pickling pipeline equipment for gasification units? - HCBBS Forum
37. Urea N/C online analyzer - HCBBS Forum
38. 【Daily Question】Question from Issue 20151010 - HCBBS Forum
39. Reflections on safety accidents caused by issues in operating procedures - HCBBS Forum
40. Pipe, Smd, Sch.40s, A312 Gr.TP304-E – What do these terms on a pipe mean? Please help me understand - HCBBS Forum
41. Do you control the hydrogen sulfide content at the inlet of the hydrogenation reactor? - HCBBS Forum
42. On-site photos of the steam trap - HCBBS Forum
43. 【Daily Question】 October 12th: What is the viscosity grade of lubricant generally equivalent to that of the lubricant at 50 degrees? ? ? ? - HCBBS Forum
44. How to locate leaks in buried pipelines - HCBBS Forum
45. Have you realized that doing a good job in environmental protection for a company also benefits you? - HCBBS Forum
46. What are the basic components of a cooling tower? - HCBBS Forum
47. What repair material is used to repair enamel reactors? - HCBBS Forum
48. Sign-in record post from October 10, 2015 - HCBBS Forum
49. Water-based active rust removal and anti-rust coating - HCBBS Forum
50. Calculations related to crystallization - HCBBS Forum
51. I bought some raw chestnuts; I think they taste better raw than cooked - HCBBS Forum
52. Have you used an integrated filtration and drying machine? - HCBBS Forum
53. Excuse me, oil mist fan for expanders - HCBBS Forum
54. Tail gas treatment containing methyl nitrite? - HCBBS Forum
55. English explanation of vent valve on gas pipeline - HCBBS Forum
56. I hope experts can recommend a professional book on coal-based methanol production - HCBBS Forum
57. The reward for replying in the “Haichuan Irrigation Co., Ltd. Shop” forum has been changed from weekly to daily – what do you think? - HCBBS Forum
58. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 192 - HCBBS Forum
59. How to determine if a gauge is functioning properly - HCBBS Forum
60. What are the requirements for water injection quality? - HCBBS Forum
61. General application scenarios and selection of different types of manual valves - HCBBS Forum
62. Is there an oxidation process for propylene oxide using a fixed-bed reactor? - HCBBS Forum
63. Turbine air cooler condensate discharge valve - HCBBS Forum
64. Regarding the re-inspection of the inner cylinder material - HCBBS Forum
65. Issues regarding the connection between heat exchange tubes and tube sheets - HCBBS Forum
66. 2015 Coal Chemicals Project - HCBBS Forum
67. Our company is currently promoting the DMM3-8 complete set of technologies - HCBBS Forum
68. Economic flow velocity of pipelines - HCBBS Forum
69. What is the difference between hydrorefining and hydrocracking? - HCBBS Forum
70. What are the two measures for limiting the speed of truck cranes? - HCBBS Forum
71. Pressure control of the distillation tower - HCBBS Forum
72. “Haichuan Irrigation Co., Ltd. Convenience Store” – On the second day of National Day, let’s start with irrigation first - HCBBS Forum
73. Is it considered an work-related injury if, on the way back to work after the National Day holiday, one crashes into another vehicle and gets injured? - HCBBS Forum
74. Xinjiang’s first coalbed methane demonstration project will reach full production capacity by the end of October, with an output of 30 million cubic meters - HCBBS Forum
75. Are there any cases in reciprocating compressors where the drain discharge does not require manual intervention? - HCBBS Forum
76. 【Daily Question】Test Issue 20150929 - HCBBS Forum
77. Help, what could be the reason? - HCBBS Forum
78. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 184 - HCBBS Forum
79. Didn’t Sun Yue compete in this year’s Asian Championships? - HCBBS Forum
80. 【Daily Question】2015.09.23 (2 Wealth points for replying, +3-8 Wealth points for a correct answer) - HCBBS Forum
81. [Sulfur Recovery] On the selection of sulfur recovery and flue gas treatment process technologies - HCBBS Forum
82. How should the specifications for shell insulation materials be written? - HCBBS Forum
83. Schematic diagram of the principle and structure of circulating fluidized bed boilers and associated steam turbine units - HCBBS Forum
84. Collection of papers on petrochemical catalysts - HCBBS Forum
85. Aspen property abbreviation - HCBBS Forum
86. Question 43, True/False on boiler foundations on September 26: (A certain score will be given to the top 40) - HCBBS Forum
87. Methanol Weekly Topic: How can the expansion gas from methanol expansion tanks be recycled? 2015.09.28--10.7 - HCBBS Forum
88. Heat transfer printer heat transfer process - HCBBS Forum
89. Sign-in record post from October 7, 2015 - HCBBS Forum
90. 【Daily Question】Question from Issue 20150925 - HCBBS Forum
91. Shanghai Qili: Daily maintenance of sludge treatment equipment - HCBBS Forum
92. Regarding water quality issues - HCBBS Forum
93. Heat conversion problems - HCBBS Forum
94. 【Daily Question】10.6-7 True or False: Butadiene is a raw material for producing MTBE. - HCBBS Forum
95. Questions about valve trim selection at high temperatures? - HCBBS Forum
96. What should be the temperature rise when the steam line is put into use? - HCBBS Forum
97. H2S phase in liquid hydrocarbons before desulfurization - HCBBS Forum
98. ASME Section I English version - HCBBS Forum
99. Cleaning of the catalyst tank in the catalytic unit - HCBBS Forum
100. An introduction to the important classifications of beam cranes - HCBBS Forum