English — Forum #723 (Page 62/642)

1. Regarding vertical suspended pumps - HCBBS Forum
2. There is already a differential pressure gauge at the inlet and outlet of the dust collector for restructuring; what is the purpose of one inside the main unit? - HCBBS Forum
3. Which is the best electric valve manufacturer for power plants? - HCBBS Forum
4. Acetic acid corrosion issue in the acrylic acid industry - HCBBS Forum
5. My colleague said that not installing QQ on the computer can make it run a bit faster. Is that true? - HCBBS Forum
6. Centrifugal low-pressure coal slurry pump and reciprocating diaphragm pump - HCBBS Forum
7. 【11-30】Daily Quiz for Occupational Health Edition - HCBBS Forum
8. Selection of mechanical seals for methanol pumps in methanol-to-hydrogen production - HCBBS Forum
9. The anti-surge bypass in centrifugal compressors is called what, and what is it called in reciprocating compressors? - HCBBS Forum
10. 【Daily Question】Chemical Engineering Principles 473: Cation Exchangers (December 6) - HCBBS Forum
11. 【Q&A Question 227】2016.12.03 - HCBBS Forum
12. Perfect time to crack eggs - HCBBS Forum
13. Selection of gas-liquid mixer diameter - HCBBS Forum
14. Seek clarification - HCBBS Forum
15. What are the requirements for sulfurized oil in the catalyst presulfidation of diesel hydrogenation units? ? ? ? - HCBBS Forum
16. capcost - HCBBS Forum
17. Theoretical Mechanics - HCBBS Forum
18. A question from a sad fan - HCBBS Forum
19. Advantages of cast all-stainless-steel submersible pumps - HCBBS Forum
20. How to determine if a safety valve is leaking internally? - HCBBS Forum
21. 【Petroleum Chemical Antifreeze Initiative in Action】Jingmen Petrochemical: Fully activating the “Winter Production Mode”” - HCBBS Forum
22. 119 Fire Fighting Award | He has been working to prevent forest fires for over 30 years; in Sizhai Village, there have been no forest fires or village fires for more than 30 years - HCBBS Forum
23. Why can’t forum posts be sorted by posting time/last reply time? - HCBBS Forum
24. Steam injection for special coking valves - HCBBS Forum
25. Flue gas temperature - HCBBS Forum
26. Equipment vibration testing - HCBBS Forum
27. Safe fire separation distance between exhaust waste heat boiler and power distribution room - HCBBS Forum
28. Help needed regarding the dynamic adsorption rate of molecular sieves - HCBBS Forum
29. What is the appropriate age to work on engineering projects? - HCBBS Forum
30. It’s the end of the year, and I want to change jobs - HCBBS Forum
31. On the 5th attempt, 100 golden eggs were smashed, with 56 wins resulting in participation points~ - HCBBS Forum
32. Thoughts triggered by an airplane crash—don’t put all your eggs in one basket - HCBBS Forum
33. Five steamed buns have been very popular lately; haven’t you heard of them yet? - HCBBS Forum
34. Hello, teacher. May I ask how many levels of certification are required for a 100-ton boiler, and what are the application requirements? - HCBBS Forum
35. 【Daily Question】Chemical Engineering Principles 476: Balance (December 8) - HCBBS Forum
36. Ask a question that is often asked in interviews - HCBBS Forum
37. 【Daily Question】December 06, 2016: +2 wealth for participation； +3 to +10 wealth for correct answers - HCBBS Forum
38. Blending in oil refining” - HCBBS Forum
39. Seeking assistance regarding the upgrade of the material for the condensate pipeline behind the steam trap. - HCBBS Forum
40. What are the causes of leakage in coke ovens? - HCBBS Forum
41. Deal with the high risk of accidents at year-end~ Use these 5 tips! ! - HCBBS Forum
42. Plate heat exchanger issues - HCBBS Forum
43. Zhang Yuning in La Liga’s best team of the round, on par with the league’s top scorer - HCBBS Forum
44. Compressor - HCBBS Forum
45. Regeneration issues of alkylated molecular sieve dryers - HCBBS Forum
46. Delicious food - HCBBS Forum
47. The three-system certification of the construction company responsible for the collapsed power plant in Jiangxi has been suspended! - HCBBS Forum
48. Instrument selection issues in the hydrogen chloride synthesis process - HCBBS Forum
49. Paint adhesion testing method - HCBBS Forum
50. [Haichuan Chemical Safety News] Changling Refining & Chemical Co., Ltd. wins the Demonstration Award for First-Class Enterprise Management in Work Safety Standardization for hazardous chemicals handling enterprises - HCBBS Forum
51. What standard is used to determine the pipe model code? As the title says: - HCBBS Forum
52. :) - HCBBS Forum
53. Can frozen water pipes be buried directly in the ground? - HCBBS Forum
54. Is it reasonable for the safety valves on top of many oil tanks (such as gasoline sedimentation tanks) to be equipped with front and rear isolation valves? - HCBBS Forum
55. The function of a mouse barrier - HCBBS Forum
56. Domestic chemical pump manufacturers - HCBBS Forum
57. Drying kiln and cooler for the sulfur-based compound fertilizer project - HCBBS Forum
58. Relationship between diesel specific gravity and boiling range - HCBBS Forum
59. A message for those who have just started working in instrumentation - HCBBS Forum
60. Liquid carrying problems in spray packed towers and cyclone towers - HCBBS Forum
61. Discussing the fluctuation issue in electromagnetic flowmeters - HCBBS Forum
62. Explosion-proof knowledge - HCBBS Forum
63. Share the coal chemical enterprises that you know are still continuing to operate - HCBBS Forum
64. How to deal with nitrate bacterium inhibition? - HCBBS Forum
65. Why analyze the oxygen content at the inlet and outlet of the flue gas desulfurization tower - HCBBS Forum
66. [Q&A Question 224] 11/30/2016 - HCBBS Forum
67. Hello everyone - HCBBS Forum
68. Lan Petrochemical College - HCBBS Forum
69. Reclaimed water reuse device - HCBBS Forum
70. What are the reasons that can cause downstream equipment to shut down during tank cutting? - HCBBS Forum
71. Can fuel be added while the compressor is running? - HCBBS Forum
72. 2016-12-3 Quiz Questions - HCBBS Forum
73. Alkylation - HCBBS Forum
74. Compressor - HCBBS Forum
75. The path to reducing fertilizer production capacity is fraught with difficulties; listed companies seek new opportunities through innovation - HCBBS Forum
76. Analysis of common problems in centrifugal compressor coolers - HCBBS Forum
77. Registered Safety Engineer - HCBBS Forum
78. Forget him and go to a large-scale dating event to meet a brand new love - HCBBS Forum
79. Tired of your job and thinking about changing careers? These suggestions are worth a look (share) - HCBBS Forum
80. Installation of steel structures without shims - HCBBS Forum
81. What to do if there is a leak in the internal coil of a small sulfur storage tank? - HCBBS Forum
82. Is there a pirated version of PDSOFT available for purchase? Can pirated versions be used? ? - HCBBS Forum
83. The equipment supports bear the weight; for example, if a piece of equipment has 4 supports, then each support should bear 1/4 of the total weight of the equipment? - HCBBS Forum
84. Bubbles in water - HCBBS Forum
85. Learn*-Flammable Toxic-001-Detector Detector Meaning Differences - HCBBS Forum
86. The Eja transmitter has a double-flange design – what does the \"m diaphragm\" mean? - HCBBS Forum
87. What are the API Q1 DAC design acceptance criteria, and the MAC manufacturing acceptance criteria? - HCBBS Forum
88. How to perform pressure testing on welded valves - HCBBS Forum
89. Who has the ProII simulation files for the acidic water from the single-tower side stream? - HCBBS Forum
90. Daily Security Management Technology Question (12.4) - HCBBS Forum
91. How to calculate the volatilization time of coal and the complete reaction time of carbon particles - HCBBS Forum
92. Crane selection - HCBBS Forum
93. The design temperature is 750°C and the pressure is 0.2 Mpa. How should the flanges for the equipment and the piping be selected? - HCBBS Forum
94. Yunnan Pioneer Chemical was ordered to suspend operations due to severe pollution - HCBBS Forum
95. Toluene - HCBBS Forum
96. Daily Water Treatment Question (12.8) - HCBBS Forum
97. How to calculate the PSA hydrogen yield - HCBBS Forum
98. Corrosion of heat exchanger tube sheets - HCBBS Forum
99. LF2 specially treated to -60℃ - HCBBS Forum
100. ☆☆Come and vote now☆☆【I see】– The themed sharing event \"I finally understood this question\" is now over - HCBBS Forum