English — Forum #723 (Page 593/642)

1. I’ve just changed to the official owner; thank you all for your support! This post has been closed! - HCBBS Forum
2. How to calculate how many tons of cargo a spherical tank can hold - HCBBS Forum
3. Heat exchange problems in plate heat exchangers - HCBBS Forum
4. Calculation of the head of a screw pump - HCBBS Forum
5. Please help choose a more special pump - HCBBS Forum
6. Design scope of the main design institute and the air separation plant manufacturer - HCBBS Forum
7. May I ask which part of the hydrogenation unit produces ammonium disulfide? - HCBBS Forum
8. The issue of priority in ionic reactions - HCBBS Forum
9. Siemens gas chromatograph - HCBBS Forum
10. Seeking technical advice - HCBBS Forum
11. Painting on stainless steel surface - HCBBS Forum
12. Issues with the size inspection of road tankers - HCBBS Forum
13. Atmospheric tower bottom pump shaft seizure - HCBBS Forum
14. plc s7-300 - HCBBS Forum
15. How to quickly create an instrument index table using PID - HCBBS Forum
16. The application of deep hole drilling machines should also not be carried out blindly; problems may arise in practical use - HCBBS Forum
17. Could you please describe what the valve looks like? - HCBBS Forum
18. Classification of hazardous areas for explosions in boiler rooms - HCBBS Forum
19. Where is the appropriate location for the annular baffle in a BJS heat exchanger? - HCBBS Forum
20. I would like to know what kind of journal “China Machinery” is – how long does it take to get online access, etc - HCBBS Forum
21. Recruiting safety evaluators and chemical engineering designers - HCBBS Forum
22. Defense questions - HCBBS Forum
23. Application of vacuum pumps in benzene extraction units - HCBBS Forum
24. The chromatograph always trips automatically - HCBBS Forum
25. How to handle the mycelium concentrate obtained after filtering the fermentation broth - HCBBS Forum
26. Regarding the production of membrane separation complete sets of equipment - HCBBS Forum
27. Is explosion protection necessary in the ammonia solution area? - HCBBS Forum
28. Second announcement on the environmental impact assessment for CNOOC’s coal-to-gas transmission pipeline - HCBBS Forum
29. Compilation of Coal Water Slurry Gasification Accident Cases - HCBBS Forum
30. Inner Mongolia is actively advancing the 4 billion cubic meter coal-to-gas project in Xingan League - HCBBS Forum
31. Is it okay to eat in the control room? - HCBBS Forum
32. Regulations on transporting hazardous substances in containers - HCBBS Forum
33. 【Weekly Topic】How to remove all material from pipelines with recessed pockets - HCBBS Forum
34. Reciprocating compressor - HCBBS Forum
35. Gentlemen, can PPR or UPVC pipes be used in freezing conditions of minus 10 degrees? - HCBBS Forum
36. Is it true that the backflow of liquid in the downcomer back to the upper tray can cause flooding in the equipment? - HCBBS Forum
37. Natural gas boiler - HCBBS Forum
38. Precautions during thunderstorm weather - HCBBS Forum
39. Everyone is welcome to discuss the production processes and equipment for chlorosulfonic acid - HCBBS Forum
40. I’m asking the experts here to help find a binary interaction parameter - HCBBS Forum
41. Looking for manufacturers in China that produce high-quality bag filters - HCBBS Forum
42. Regarding the transportation of electroplating wastewater - HCBBS Forum
43. Fractionator operation - HCBBS Forum
44. 【Daily Question】Chemical Engineering Principles 106: Filtration Media (July 11) - HCBBS Forum
45. Gas exhaust recovery during the regeneration of pressure swing adsorption nitrogen generators - HCBBS Forum
46. Is the time it takes for the boiler to dry out the same when there is a disruption in the feedwater to the drum of coal-fired boilers and circulating fluidized bed boilers? - HCBBS Forum
47. Hey everyone, are there any air separation projects available these days? - HCBBS Forum
48. Looking for manufacturers that can handle waste catalysts from sulfur recovery - HCBBS Forum
49. Are there double-pass floating-head heat exchangers? - HCBBS Forum
50. 6-APA process flow diagram - HCBBS Forum
51. It’s been a few days – why is it so quiet in the water area? ? ~~~ - HCBBS Forum
52. Will there be no exam for Zhuhua this year? - HCBBS Forum
53. Dalian Marine Valve Factory Electronic Catalog - HCBBS Forum
54. Where is the heat exchanger area entered? - HCBBS Forum
55. Do people still see good prospects for the MMA market? - HCBBS Forum
56. 【Daily Question】Chemical Engineering Principles 105: Double-Membrane Theory (July 10) - HCBBS Forum
57. Talking jokingly about stocks - HCBBS Forum
58. The \"29-year-old phenomenon\" in the workplace is characterized primarily by confusion and anxiety - HCBBS Forum
59. Level measurement in petrochemical storage tanks or containers - HCBBS Forum
60. My spending permissions - HCBBS Forum
61. Several questions about gasoline hydrogenation - HCBBS Forum
62. The car has been reserved. I hope there’s no problem with the driver’s license - HCBBS Forum
63. Issues with valve settings in the pipeline downstream of the coal tar hydrogenation feed pump - HCBBS Forum
64. How to be a good team leader? - HCBBS Forum
65. Requirements for storage containers of corrosive media - HCBBS Forum
66. Regarding the pipe slope - HCBBS Forum
67. The regulating performance of V-type ball valves? - HCBBS Forum
68. Have you ever met such a boss? Constantly thinking about not working, quitting, and complaining a lot about the job! - HCBBS Forum
69. 【Daily Question】 July 15 Tips for Routine Inspections - HCBBS Forum
70. HiHost Benefits – Wireless remote meter debugging system available for free! ! ! - HCBBS Forum
71. Organic solvent heptane, pH adjustment - HCBBS Forum
72. Where should fire extinguishers be placed for hot work? - HCBBS Forum
73. Principles and characteristics of wedge flow meters and venturi flow meters - HCBBS Forum
74. What are the common safety requirements for methanol storage tanks? - HCBBS Forum
75. Is the agrochemical industry popular right now? - HCBBS Forum
76. 【Daily Question】2015.07.13 Pitting (Top 100 replies +2 points, plus 3-8 additional points for correct answers) - HCBBS Forum
77. 【Weekly Topic】Cause analysis and treatment methods for heat exchanger failure? - HCBBS Forum
78. How to establish the organizational structure for the preliminary work of coal-to-gas projects - HCBBS Forum
79. I am currently in Kunming attending training for examiners. Could someone help me with the following questions, which are from last year’s exam? - HCBBS Forum
80. Help needed with steam tracing system! ! ! - HCBBS Forum
81. What does it take to excel at scheduling? - HCBBS Forum
82. What causes the low DO at the outlet of the aerobic tank? - HCBBS Forum
83. The feed line of the flash tower is shaking excessively; what’s the reason? - HCBBS Forum
84. Is there such a thing as spring offset? - HCBBS Forum
85. Development of wind power in international markets - HCBBS Forum
86. Who is the real boss - HCBBS Forum
87. Control of specifications for hydrogenated gasoline products - HCBBS Forum
88. Discussion on pipelines for diesel hydrogenation heating furnaces - HCBBS Forum
89. Questions regarding the final-stage heat exchanger of the booster? - HCBBS Forum
90. The role of fly ash - HCBBS Forum
91. Reasons for the increase in transformation resistance - HCBBS Forum
92. How to convert Aspen edr tutorials to PDF format - HCBBS Forum
93. What is the difference between a fork-type level switch and a radio frequency admittance level switch? - HCBBS Forum
94. 【Safety and Environmental Protection Section】Monthly rewards for active members – All sailors are welcome to participate actively - HCBBS Forum
95. Recycling of idle chemical plants - HCBBS Forum
96. Residual chlorine cannot be detected in circulating water - HCBBS Forum
97. Looking for review materials for the 2015 Certified Safety Engineer exam - HCBBS Forum
98. With high diesel inventories, how can catalytic cracking reduce the diesel-to-gasoline ratio? - HCBBS Forum
99. At what height above the pump inlet should the liquid level be to prevent air from entering? - HCBBS Forum
100. I have a question for everyone to discuss - HCBBS Forum