English — Forum #723 (Page 288/642)

1. 【Weekly Topic】【Engineering Version 20160420】 - HCBBS Forum
2. Questions about ammonium salt crystallization in hydrocracking units? - HCBBS Forum
3. How is pressurized feeding with four nozzles achieved? What to do if the pressure rises too quickly after feeding the material? - HCBBS Forum
4. The pump operation status signal on the DCS screen comes from the electrical distribution room, right? Does the DCS show green when the power switch is turned on? - HCBBS Forum
5. Gaskets suitable for raised-face flanges - HCBBS Forum
6. Excess hydrogen in the hydrogenation reactor - HCBBS Forum
7. One Question per Day on Synthetic Ammonia (Series 69) - HCBBS Forum
8. Pipeline insulation - HCBBS Forum
9. Manufacturers of reformer off-gas waste heat boilers - HCBBS Forum
10. Analysis and Design Exam - HCBBS Forum
11. What are the imported brands of self-acting control valves? - HCBBS Forum
12. Selection of pumps for acids - HCBBS Forum
13. Reviewing the Old to Discover the New (Series 14) - HCBBS Forum
14. Discussion on Freon chiller failures - HCBBS Forum
15. Centrifugal pump outlet buffer tank - HCBBS Forum
16. Some questions regarding the Zhongkong JX-300xp - HCBBS Forum
17. New 300,000 tons/year styrene project - HCBBS Forum
18. Questions regarding the gas-liquid ratio and acid gas load in MDEA desulfurization? ? ? - HCBBS Forum
19. First aid videos for gas poisoning and heatstroke - HCBBS Forum
20. 【Daily Question】 2016-04-18 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
21. The issue of wax oil hydrogenation - HCBBS Forum
22. Which factories are currently using Zhejiang Zhongkong’s advanced control systems? - HCBBS Forum
23. Seeking advice: forced reflux for the reboiler at the bottom of the tower - HCBBS Forum
24. Maintenance Procedures for Moving Equipment - HCBBS Forum
25. Why should the temperature be kept around 50 degrees in cold high-score mode? - HCBBS Forum
26. May I ask if the control room and control chamber can be located in the Class A equipment area? What regulations must be met in order to do that? ? ? ? Urgent, urgent, urgent... - HCBBS Forum
27. Safety Technology Exchange Edition: Daily Question (2016.4.17) - HCBBS Forum
28. 4 rounds can’t even beat 2 rounds - HCBBS Forum
29. aspen How to type ***phenol - HCBBS Forum
30. Naphtha hydrogenation - HCBBS Forum
31. Sulfidation reactions in catalysis - HCBBS Forum
32. Specifications for the packaging design of blister products - HCBBS Forum
33. Liquid phase analysis - HCBBS Forum
34. Intelligent RF admittance continuous level controller - HCBBS Forum
35. 【Weekly Topic】【Storage & Transportation Version 20160413】 - HCBBS Forum
36. The SV30 supernatant is turbid - HCBBS Forum
37. Which are the best domestic brands for water-coal slurry control valves? - HCBBS Forum
38. Can an electromagnetic flowmeter be used for measuring the flow rate of a mixture of 70% crude oil and 30% water? - HCBBS Forum
39. The DCS control room usually has several 220VAC power supplies - HCBBS Forum
40. Heavy oil hydrogenation - HCBBS Forum
41. SIL3 relay consultation - HCBBS Forum
42. Announcement on the Appointment of hesonchang214 as Deputy Regional Super Editor - HCBBS Forum
43. Standards for thermal calculations of boilers - HCBBS Forum
44. Machine safety warnings and hazard area diagrams - HCBBS Forum
45. 【Weekly Chat】In-Depth Discussion: HaiChuan’s Interests – Week 2, April 2016 - HCBBS Forum
46. How much regenerated gas does the dryer consume? - HCBBS Forum
47. I want to know how to gain prestige. - HCBBS Forum
48. The China Coal Tuoke Coal Chemical Water Treatment Project has passed the zero-discharge certification - HCBBS Forum
49. One Question per Day on Synthetic Ammonia (Series 67) - HCBBS Forum
50. Instrument wiring diagram, drawing - HCBBS Forum
51. Can butadiene and vinyl chloride be released directly into the atmosphere? - HCBBS Forum
52. What is the ‘get-out-of-death’ card for the 8 most common cancers? - HCBBS Forum
53. A GC correction method for DMMn - HCBBS Forum
54. Palm oil hydrogenation - HCBBS Forum
55. Help needed - HCBBS Forum
56. Dear teachers, I’m looking for the Zhejiang 94 quota - HCBBS Forum
57. NDRC: Restrictions on investment in coal-based gas and oil production - HCBBS Forum
58. Given that methanol contains salts and acids, how should the material for storage tanks and pipelines be selected? How to prevent static electricity? - HCBBS Forum
59. Has anyone taken the counseling exam? Come in and chat - HCBBS Forum
60. Reciprocating compressor start without pressure - HCBBS Forum
61. On the Honeywell PKS operation station, the faceplate windows of some control points sometimes fail to open - HCBBS Forum
62. “\"I’m saving energy; where are you?\" – 0604: Utilization of waste heat from heat pumps - HCBBS Forum
63. Could some expert please tell me about the structure of Dura tubes? - HCBBS Forum
64. Seeking help in choosing an asphalt pump model - HCBBS Forum
65. 【Daily Topic】【Electrical Edition 20160407】 - HCBBS Forum
66. Convex or concave tube sheet? - HCBBS Forum
67. Professional English terms for the structure inside the tower - HCBBS Forum
68. High residual carbon in coking of anthracite - HCBBS Forum
69. Daily Question, April 20, 2016 – Catalysis Section: Operations to Improve Propylene Purity - HCBBS Forum
70. Corrosion prevention issues of iron breath valves - HCBBS Forum
71. Can thermocouples be used for low-temperature measurements? - HCBBS Forum
72. Is there a corresponding national standard for ANSI-ISA-S88? - HCBBS Forum
73. 【Chemical Industry News】Which design institutes can handle the comprehensive utilization of aromatic distillate oil to extract products such as n-hexane? - HCBBS Forum
74. 【Daily Topic】【Civil Engineering Version 20160418】 - HCBBS Forum
75. Chemical engineering technical economics calculation problems, need help, urgent - HCBBS Forum
76. For SCR denitration, is the flue gas volume measured or calculated in the DCS? - HCBBS Forum
77. Practical version of lubricant moisture detection - HCBBS Forum
78. Analyzing the main uses of plastic-steel chain conveyor belts - HCBBS Forum
79. Calculation of the discharge flow rate for mixing - HCBBS Forum
80. Engineering companies design database-based management - HCBBS Forum
81. I want to know what the hardness of An sulfate crystals is - HCBBS Forum
82. 【Daily Question】April 15, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
83. Regarding the thickness limit of the reinforcement ring - HCBBS Forum
84. Seek the process flow for atmospheric and vacuum distillation units - HCBBS Forum
85. safety valve - HCBBS Forum
86. Which is better, New Channel or Global IELTS? Because I need to go abroad on a business trip, I must have an IELTS score - HCBBS Forum
87. Initiate discussions on establishing an LNG-related section - HCBBS Forum
88. Relay Isolator - HCBBS Forum
89. Environmental Protection Daily Tip: Reward of 5 on 4/15; an additional 5 for answering 5 questions correctly - HCBBS Forum
90. Help choose an asphalt pump model - HCBBS Forum
91. Environmental Protection Daily Post 4.13: Reward for participation, plus 5 more points for answering correctly - HCBBS Forum
92. Has anyone successfully installed C2 on Win10? - HCBBS Forum
93. 【Daily Question No. 161】April 22, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
94. 【Digging to the Bottom】Let’s start with the concept of stress. Hurry up and take turns; those downstairs, please listen to the questions. - HCBBS Forum
95. Amine solution foaming treatment - HCBBS Forum
96. The LNG technology version has been established - HCBBS Forum
97. 【JST-201】One-on-one assistance office for EXL spreadsheet issues - HCBBS Forum
98. Disposal of general solid waste - HCBBS Forum
99. Regarding whether the controller panel in electrostatic precipitators is universal - HCBBS Forum
100. 【Daily Question】20160419 Use of gasket flanges (First 50 participants + 2 rewards) - HCBBS Forum