English — Forum #723 (Page 551/642)

1. Test again: multiple replies to claim the prize - HCBBS Forum
2. Measures to prevent blockage of the black liquid discharge pipeline at the bottom of the carbon scrubber tower - HCBBS Forum
3. Conversion between cubic meters at 0 degrees Celsius and 20 degrees Celsius - HCBBS Forum
4. Contraction size of high-temperature thermocouples - HCBBS Forum
5. Polyether refined adsorbents enhance adsorption capacity - HCBBS Forum
6. What is the pressure specification for medium-pressure nitrogen in everyone’s factory? - HCBBS Forum
7. That domestic company is quite strong in terms of cyclone plates - HCBBS Forum
8. What is the purpose of the make-up steam in a thermal deaerator? - HCBBS Forum
9. Seeking help regarding a DN200 three-way water valve - HCBBS Forum
10. How should the rotation of the crane hook be addressed? - HCBBS Forum
11. Are there no specifications for using float level gauges on gasoline tanks? ? ? - HCBBS Forum
12. Gas variation in hydrogen production units - HCBBS Forum
13. Chemical Engineering in Daily Life – Question 29 – In some cities in the north during winter, plants and trees need to be covered. Is this really useful? Standard answer already exists - HCBBS Forum
14. Problems with annual fire safety inspections at the facility - HCBBS Forum
15. CS3000: multiple PLCs connected to one ALR121 - HCBBS Forum
16. Describe the composition and content of sulfides in the feed gas? - HCBBS Forum
17. PID parameter setting - HCBBS Forum
18. Should I quit? Click in to take a look - HCBBS Forum
19. Help: Does anyone know of any good software for equipment maintenance and management? - HCBBS Forum
20. Is there any particular requirement regarding the number of air outlet ports on the air storage tank? - HCBBS Forum
21. When applying the quotas for the disassembly and assembly of valves and manholes, is it necessary to include gaskets as well? - HCBBS Forum
22. Regarding the ratio of atomized steam to fuel oil in tubular heating furnaces - HCBBS Forum
23. The time at which spherical slag appears - HCBBS Forum
24. Repost: Treat the organization you work for well (great article) - HCBBS Forum
25. How is the full water capacity of a hot water boiler calculated? Does any teacher know? Thank you. - HCBBS Forum
26. Why doesn’t the campus section of the “Haichuan Irrigation Co., Ltd. Convenience Store” organize any activities related to part-time jobs on campus? - HCBBS Forum
27. Mobile Phone Parade - HCBBS Forum
28. Chemical Engineering in Daily Life – Question 47: How to wash dishes properly? - HCBBS Forum
29. Safety management of lifting machinery is extremely important - HCBBS Forum
30. Speed control of the turbine used to drive the compressor - HCBBS Forum
31. The pressure loss during on-site installation of Y-type water filters is very high - HCBBS Forum
32. Container safety valve - HCBBS Forum
33. Chemical analysis courseware - HCBBS Forum
34. [Weekly Topic] -- Linyi in Shandong summoned over environmental issues; \"shock\" measures to combat smog – what’s your opinion? - HCBBS Forum
35. When converting a dome tank into an internal floating roof tank, how should the pressure relief line be designed? Urgent! Urgent! Urgent! - HCBBS Forum
36. 【Daily Question】Question from Issue 20150829 - HCBBS Forum
37. Regarding the polymerization reactor for nylon-66 - HCBBS Forum
38. 【Daily Question】Question from Issue 20150821 - HCBBS Forum
39. Benzene new loading pipeline - HCBBS Forum
40. Regarding the boiler material, guys, please help! ! Thank you so much. - HCBBS Forum
41. Problems with self-priming pumps and centrifugal pumps - HCBBS Forum
42. How to extend the retention period for historical data in CS-3000 - HCBBS Forum
43. Chemical Engineering in Daily Life – Question 52: When preparing lamb stir-fried with scallions, why is it better to use thinner slices of meat? - HCBBS Forum
44. Can an oil-powered piston compressor meet the requirement of a hydrogen purity of 99.999%? - HCBBS Forum
45. Have you encountered this situation when looking for a job? - HCBBS Forum
46. 【Daily Question】Question from Issue 20150828 - HCBBS Forum
47. 【Daily Question】Question from Issue 20150831 - HCBBS Forum
48. 【Weekly Topic】--The impact of total nitrogen on the operation of aerobic tanks (10 points for good answers, 30 points for satisfactory answers) - HCBBS Forum
49. The issue of three-phase balance in UPS systems - HCBBS Forum
50. Regarding the pilot project - HCBBS Forum
51. FEM analysis - HCBBS Forum
52. Does anyone know anything about Karite Ebara Pump Co., Ltd.? - HCBBS Forum
53. 2040,,6805X application effects - HCBBS Forum
54. Are hydraulic actuators used in petrochemical plants? - HCBBS Forum
55. 2015.08.28 Opening reinforcement (2 wealth points for a reply; +3–8 additional wealth points if the answer is correct) - HCBBS Forum
56. As a leader, what should you do if you happen to catch employees smoking in secret while you are conducting an on-site inspection? - HCBBS Forum
57. Template for three-component distillation - HCBBS Forum
58. Tar and dust content after electrostatic capture - HCBBS Forum
59. Everyone, please talk about your English level - HCBBS Forum
60. Do orifice plate flow meters work for gases and liquids? - HCBBS Forum
61. Changes in the molecular weight of rich gas cause unit surging - HCBBS Forum
62. What are the well-known magazines and journals on the maintenance of chemical processing equipment in China? - HCBBS Forum
63. Pump – head determination - HCBBS Forum
64. Chemical Engineering in Daily Life – Question 28: Why doesn’t salt become damp during the hot summer days? Standard answer already exists - HCBBS Forum
65. Steam pipeline pressure drop calculation software - HCBBS Forum
66. Why does the Innovene polypropylene process air lock have a good air-locking effect? - HCBBS Forum
67. Mid-Yuan Festival (Ghost Festival) - HCBBS Forum
68. 【Daily Question】Question from Issue 20150826 - HCBBS Forum
69. Standard scope of use - HCBBS Forum
70. Pressure relief measures for long-distance crude oil inlet lines? ? ? - HCBBS Forum
71. Is 50 watts of electric heating usually used in single-phase systems? Are there any for three-phase use? - HCBBS Forum
72. Is the SIL assessment of instruments applied to all instruments in all control loops, or only to those in the SIS and ESD systems? - HCBBS Forum
73. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 285 - HCBBS Forum
74. Resistance value of the 9-pin connector on Rosemount mass flow meter CMF series sensors - HCBBS Forum
75. Why add sulfuric acid? - HCBBS Forum
76. Italian standards for spring hangers and supports - HCBBS Forum
77. Have you met such colleagues? - HCBBS Forum
78. What are some tips for choosing a single-girder crane? - HCBBS Forum
79. Should the wire mesh demister be installed at the top or at the bottom? - HCBBS Forum
80. What material should be used for the housing and nozzles of the ejector in the desulfurization oxidation regeneration tank? - HCBBS Forum
81. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 292 - HCBBS Forum
82. Confusions regarding ASPEN simulations of batch operations such as intermediate tanks - HCBBS Forum
83. Regarding propylene and water distillation columns - HCBBS Forum
84. I have a question regarding faults in control valve circuits. . . - HCBBS Forum
85. What is the bending radius for 35KV cables? - HCBBS Forum
86. Looking for API941-2008; if anyone has it, please share it - HCBBS Forum
87. Should a maximum red warning line be marked on the vacuum gauge? - HCBBS Forum
88. What should be considered when selecting a self-acting temperature control valve? - HCBBS Forum
89. Air cooler floating tube box bolts - HCBBS Forum
90. Crystallization in a two-stage evaporation separator - HCBBS Forum
91. Alcohol content in the gas entering the tower - HCBBS Forum
92. The original production workshop is to be demolished and rebuilt elsewhere; what tasks need to be carried out? - HCBBS Forum
93. Briefly describe the process flow of the circulating water system? - HCBBS Forum
94. Acrylic polysiloxane resin - HCBBS Forum
95. Problems that occur when pressurizing molecular sieves - HCBBS Forum
96. Technical reform of ammonia synthesis - HCBBS Forum
97. Class D workshops have a furnace that burns natural gas; what is the production category? - HCBBS Forum
98. Sign-in record post from August 31, 2015 - HCBBS Forum
99. Spherical automatic drain (for air compression storage tank drainage) - HCBBS Forum
100. Where can I learn about knowledge related to chemical explosion prevention? - HCBBS Forum