English — Forum #723 (Page 168/642)

1. Why can unreliable pollution treatment technologies become so popular? - HCBBS Forum
2. Are there any devices installed for online pH monitoring of pipelines? - HCBBS Forum
3. 【Daily Topic】【Production Version 20160812】 - HCBBS Forum
4. Dear experts, is there a difference between exchanging information on air separation unit failures and analyzing air separation unit accidents? - HCBBS Forum
5. Seeking information on the density of propylene - HCBBS Forum
6. Analysis of Liquid Ammonia on 2016.8.18 - HCBBS Forum
7. What chemicals should be added to a closed-loop mixed-bed deionized water system to slow down metal corrosion? - HCBBS Forum
8. Steam pipeline explosion in Dangyang, Hubei - HCBBS Forum
9. What to eat for dinner? I’ll show you how to cook shrimp – let’s have a full shrimp feast - HCBBS Forum
10. Calculation Sheet for Vibration Intensity of High-Pressure Thermocouple Sleeves - HCBBS Forum
11. 【Daily Topic】【Engineering Edition 20160817】 - HCBBS Forum
12. Who is familiar with BASF antioxidant Irgastab Is3026L? - HCBBS Forum
13. Liquid nitrogen washing - HCBBS Forum
14. 【Picture of the Day】2016 08 15 Picture of the Day – The excitement continues. What is the task that the workers are carrying out in this picture? - HCBBS Forum
15. Guys, what is a hemispherical single-plate gate valve? - HCBBS Forum
16. What are the consequences of not insulating a steam drum? Will it affect production? - HCBBS Forum
17. China has successfully developed a new generation of ultra-low-pressure continuous reforming technology - HCBBS Forum
18. The issue of exhaust temperature in piston engines - HCBBS Forum
19. Let’s discuss the issue of the number of times attachments can be downloaded? - HCBBS Forum
20. Questions regarding the solution treatment and stabilization treatment of stainless steel - HCBBS Forum
21. Does the resin flow out during the backwashing of mixed ion exchange resin? - HCBBS Forum
22. Leak in the top cooler of the vapor phase propane removal tower - HCBBS Forum
23. 【Weekly Topic】【 HVAC Version 20160812】 - HCBBS Forum
24. Four prohibitions on overdoing it - HCBBS Forum
25. Should a dual-power supply in a TN-C system use 3P or 4P? - HCBBS Forum
26. What is the relationship between reactor penetration time? - HCBBS Forum
27. Gas chromatograph - HCBBS Forum
28. Where is the maximum stress on the roof of a 3000 cubic meter arch-shaped tank? - HCBBS Forum
29. Instrument lightning strike fault - HCBBS Forum
30. Effect of ammonia content in raw gas on the catalyst - HCBBS Forum
31. Determination of trace oxygen in gases - HCBBS Forum
32. Calculation of the explosion limit of mixed gases - HCBBS Forum
33. Heji VCM - HCBBS Forum
34. 【Weekly Topic】【Storage & Transportation Version 20160822】 - HCBBS Forum
35. Selection of anti-rust paint for the inner wall of styrene carbon steel storage tanks - HCBBS Forum
36. Are there any friends who plan to take the CPA exam next year? I’m looking for someone to study with. - HCBBS Forum
37. Special Topic 6 of the Registered Chemical Engineer Professional Examination: Gas Absorption - HCBBS Forum
38. Cetane number improver - HCBBS Forum
39. For safe production, we need to follow the "Four Cautions"! - HCBBS Forum
40. Temperature distribution in the fluidized bed - HCBBS Forum
41. 【Q&A Question 115】2016.08.13 - HCBBS Forum
42. Does anyone know the design specifications or regulations for check valves? ? ? - HCBBS Forum
43. Seek advice on analysis and testing methods - HCBBS Forum
44. Question 57 in 2014: Pressure drop of control valves - HCBBS Forum
45. How to conduct a hydrostatic test on large-diameter pipes? - HCBBS Forum
46. About the calibration of pump safety valve - HCBBS Forum
47. Performance of stainless steel ball valves - HCBBS Forum
48. Calculation of orifice plate flow meter range - HCBBS Forum
49. Current status of sewage treatment in towns and villages - HCBBS Forum
50. Sinopec’s 2010 Young Workers’ Skills II **Method - HCBBS Forum
51. Sharing of success stories from professional companies in Shandong specializing in energy-saving upgrades for water pumps - HCBBS Forum
52. Hot oil pump preheating issue - HCBBS Forum
53. Gasification to produce industrial fuel gas - HCBBS Forum
54. Problems with coal-based carbon dioxide reactions - HCBBS Forum
55. Who has the 3D UG files of the turbine expander? Great thanks! - HCBBS Forum
56. Aspen drawing - HCBBS Forum
57. Blessings - HCBBS Forum
58. Oxygen buffer tank issue - HCBBS Forum
59. Can EPDM be used in sulfuric acid? - HCBBS Forum
60. Is the delivery temperature greater than 5°C after LNG vaporization? - HCBBS Forum
61. 【Daily Question】In-depth Processing 20160820: Definition of term – Doctoral experiment - HCBBS Forum
62. 【Daily Topic】【Civil Engineering Version 20160812】 - HCBBS Forum
63. Can’t the raw material tank of the etherification unit maintain pressure? - HCBBS Forum
64. Regular detection of combustible gases - HCBBS Forum
65. Have you ever used a welding process for cladding Cr-Mo steel plates with Inconel 600 material? - HCBBS Forum
66. What is the freezing point of water at a pressure of 50 kilograms? - HCBBS Forum
67. Issues with the high-speed pump auxiliary oil pump - HCBBS Forum
68. Advanced solutions for VOC gas removal - HCBBS Forum
69. Options for energy-saving renovation of centrifugal pumps - HCBBS Forum
70. Does anyone know the process for diluting asphalt? - HCBBS Forum
71. Alignment adjustment issues during the maintenance of the catalytic main fan - HCBBS Forum
72. 【Daily Topic】【Civil Engineering Version 20160820】 - HCBBS Forum
73. 【Daily Topic】【Production Version 20160823】 - HCBBS Forum
74. Calculation of the effective volume within the fire dike of the tank area - HCBBS Forum
75. How to improve the yield of heavy naphtha and aviation fuel - HCBBS Forum
76. Preparation of zinc stearate emulsion - HCBBS Forum
77. Instrument Pig Calculation Series, Lecture 1: Calculation of Intrinsic Safety Circuits - HCBBS Forum
78. 【Daily Topic】【Engineering Version 20160823】 - HCBBS Forum
79. The issue of selecting the flange pressure rating - HCBBS Forum
80. How should computer users protect their eyes? - HCBBS Forum
81. Pu Jing Chemical signed a technology transfer contract for a 400,000 tons/year process package with Shanxi Quansheng Industrial Co., Ltd - HCBBS Forum
82. Location of the blast-resistant vestibule in the control room - HCBBS Forum
83. Regarding grounding on circuit boards - HCBBS Forum
84. 【Joint Venture】Fuxin Jindao Technology is urgently seeking water treatment and waste treatment engineers - HCBBS Forum
85. Sulfide ore acid production waste heat boiler - HCBBS Forum
86. It’s time for another night shift again. Let’s discuss what we can do in our free time, as long as safe production is maintained - HCBBS Forum
87. 【Daily Topic】【Civil Engineering Version 20160815】 - HCBBS Forum
88. Suggestions for gas system stability (newcomer in the chemical industry). . ） - HCBBS Forum
89. Sources of water for industrial production - HCBBS Forum
90. [Idiom Chain] 8.21 Let’s go! Today is a good day! - HCBBS Forum
91. Request the tolerance for the height at which the stem of a standard valve protrudes from the bracket - HCBBS Forum
92. Pipe cap - HCBBS Forum
93. The 27th Beijing MICONEX International Instrument and Meter Exhibition - HCBBS Forum
94. Parameters of conveyors and elevators - HCBBS Forum
95. The company recently issued a tender for DCS, and I know very little about this area; I’ve come here to seek help from all of you - HCBBS Forum
96. What is the principle behind the hydraulic turbine of the diesel hydrogenation feed pump? - HCBBS Forum
97. Fourteen safety measures to prevent mechanical injury accidents - HCBBS Forum
98. 【Daily Topic】【HVAC Version 20160821】 - HCBBS Forum
99. Wood seal - HCBBS Forum
100. Is it allowed to bring a standardized copy for the exam? - HCBBS Forum