English — Forum #723 (Page 403/642)

1. Common issues with Ba products - HCBBS Forum
2. 【Daily Question】12.23 Multiple-choice question: The desulfurization reaction in hydrorefining belongs to ( ) - HCBBS Forum
3. Given nitrogen oxides, how to calculate NO and NO2 in flue gas - HCBBS Forum
4. Technical discussion: What indicators can be used to determine slag blockage in downcomers? - HCBBS Forum
5. Being laughed at - HCBBS Forum
6. After the food waste water is treated by flotation, the biochemical treatment process fails to get started - HCBBS Forum
7. 【Joint Study*】【HVAC Version 20151225】 - HCBBS Forum
8. Fault in E+H vortex flowmeter - HCBBS Forum
9. Regarding the reset (formatting) of the S7-300 - HCBBS Forum
10. Guidelines for the standardization of chemical industrial parks released for the first time - HCBBS Forum
11. 【Daily Topic】【HVAC Version 20151228】 - HCBBS Forum
12. Year-end summary content - HCBBS Forum
13. 【Daily Question】 December 21st True or False Question - HCBBS Forum
14. 【Daily Question】12.21 Multiple-choice question The failure caused by bulging on the wall of a pressure vessel is ( .. - HCBBS Forum
15. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 400 - HCBBS Forum
16. 【Daily Question】December 17, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
17. Which salt or base has the least corrosive effect on cast iron and 304? - HCBBS Forum
18. Welding method for valve connections - HCBBS Forum
19. 【Active Participation for Joint Improvement 12.18-12.24】+2 for participation, +3~10 for correct answers - HCBBS Forum
20. Why do I find that I’m getting shorter during physical examinations? - HCBBS Forum
21. Selection of material properties for safety valve throat diameter calculation - HCBBS Forum
22. 【Daily Question】 December 27th Physical properties of hydrogen sulfide - HCBBS Forum
23. 【Daily Question】Question from 20151216 - HCBBS Forum
24. [Trans] Using apples to make swans - HCBBS Forum
25. Foundation-laying ceremony for Fujian’s refining and chemical integration project - HCBBS Forum
26. Key Events in Propylene in 2015 (I) - HCBBS Forum
27. Installing in Aspen 7.3 requires 64-bit SQL Server 2005 SP3 - HCBBS Forum
28. Mechanical seal - HCBBS Forum
29. Issues regarding English language registration for the evaluation of senior professional titles within Sinopec’s system - HCBBS Forum
30. Wet granulation equipment - HCBBS Forum
31. How does the pry block chassis make contact with the ground? - HCBBS Forum
32. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 397 - HCBBS Forum
33. Discussion on the Optimization of the Entire Refining Production Process - HCBBS Forum
34. What is the impact of the Component Averaging Factor parameter in the PROII distillation column sure algorithm on the calculation results? - HCBBS Forum
35. Newbie seeking help! ! ! Instrumentation electrical aspects - HCBBS Forum
36. Current Status and Development Analysis of China’s Refining Industry - HCBBS Forum
37. Can carbon molecular sieves used in nitrogen generators be used to remove formaldehyde? - HCBBS Forum
38. Can you recommend some flow meter manufacturers? Thank you - HCBBS Forum
39. 【Daily Question】Chemical Engineering Principles 270: Boiler Blowdown (December 21) - HCBBS Forum
40. Feed to the distillation tower - HCBBS Forum
41. 2016 Registered Chemical Engineer Examination - HCBBS Forum
42. Who can introduce the work of cleaning crude benzene tanks? - HCBBS Forum
43. There is a sentence in the API’s special statement; how should it be translated? - HCBBS Forum
44. The book explains that an increase in the fresh feed rate leads to a decrease in the bed temperature. Could you explain this statement? - HCBBS Forum
45. Can overheated unsaturated saltwater contain salt crystals? - HCBBS Forum
46. Huzhou Heshing Vacuum Belt Filter - HCBBS Forum
47. 【Daily Topic】【Electrical Edition 20151217】 - HCBBS Forum
48. 【Daily Question】12.20 Definition: Pour point - HCBBS Forum
49. Environmental Protection Daily Quiz 12.19: Participate for prizes; 3 correct answers and another 3 prizes will be given - HCBBS Forum
50. Does anyone have a table showing the temperature resistance of various plastic pipes? Thank you! - HCBBS Forum
51. In the CS3000 system, how do different domains communicate with each other? 》? ? - HCBBS Forum
52. Issues regarding the safety and environmental protection of hydrogenation units - HCBBS Forum
53. Power issues with two-wire instruments - HCBBS Forum
54. Reduced pressure reflux - HCBBS Forum
55. 【Daily Question】Reissued on 12.17 – Multiple-choice question: It has good sealing properties, a rapid pressure-release response, and the gases contained within it… - HCBBS Forum
56. Job Responsibilities - HCBBS Forum
57. Low-temperature vessel design engineer (with team) - HCBBS Forum
58. Exploration of carbon oxidation method for regeneration - HCBBS Forum
59. Comparison of several SISs - HCBBS Forum
60. Case of shell-side vibration in heat exchanger – just occurred - HCBBS Forum
61. How to obtain the parameters for simulating the reaction kinetics of methanol production from syngas using Aspen - HCBBS Forum
62. Hot-rolled H-beams and cold-welded H-beams - HCBBS Forum
63. Who has a 20 L enamel reactor? - HCBBS Forum
64. How to explain why Class A pumps cannot be installed in the warehouses used for storing highly monitored chemicals of Class A? - HCBBS Forum
65. Tube heat exchanger - HCBBS Forum
66. Issues with the magnetic level gauge display in liquid ammonia storage tanks - HCBBS Forum
67. Repair plan after boiler explosion - HCBBS Forum
68. Seeking help with softener regeneration issues! ! ! Thank you so much! - HCBBS Forum
69. Regarding the remote monitoring of flow meters used for measurement, the issue of reading flow rates - HCBBS Forum
70. Why does the main catalytic fan have two vents? - HCBBS Forum
71. 【Daily Topic】【Electrical Edition 20151225】 - HCBBS Forum
72. The relationship between the buoyancy formula and the tank volume formula - HCBBS Forum
73. 【Daily Question】2015.12.21 Acidic and Alkaline Welding Electrodes (2 wealth points for a reply; +3–8 additional wealth points if the answer is correct) - HCBBS Forum
74. How can the pressure drop on the shell side of a shell-and-tube heat exchanger be calculated more accurately? - HCBBS Forum
75. 【Daily Topic】【Electrical Edition 20151218】 - HCBBS Forum
76. thermometer - HCBBS Forum
77. 【Daily Question】 December 23rd True or False Question - HCBBS Forum
78. Seven dietary tips to help you easily get rid of a big belly and return to a perfect figure - HCBBS Forum
79. 【Daily Topic】【Live Version 20151225】 - HCBBS Forum
80. Instrumentation and equipment - HCBBS Forum
81. Fire protection classification issue in the open separation zone? - HCBBS Forum
82. Weekly Topic - HCBBS Forum
83. Knowledge about valve actuators! - HCBBS Forum
84. Evergrande---Teach me how not to love her - HCBBS Forum
85. 【Daily Question】Wastewater Knowledge - 12.26 (2 points for a response, 5 points for a correct answer) - HCBBS Forum
86. The confusion of newcomers to the workplace - HCBBS Forum
87. Tube sheet calculation - HCBBS Forum
88. Heat exchanger issues - HCBBS Forum
89. Questions regarding supercooled LNG - HCBBS Forum
90. Comparison between UOP’s MTO and Dalian Institute of Chemical Physics’ DMTO technologies - HCBBS Forum
91. What is the difference between pre-hydrogenation in catalytic reforming and hydrofining in hydrocracking? - HCBBS Forum
92. Oil-water separation scheme or equipment? - HCBBS Forum
93. Issues with flame arresters in hydrogen exhaust pipelines - HCBBS Forum
94. Problems with precision filters - HCBBS Forum
95. I have a question regarding data: how many tons of methanol are needed to produce one ton of biofuel? - HCBBS Forum
96. 20151224 One question per day - HCBBS Forum
97. What are the standards followed for the analysis of benzene and total sulfur in coke oven gas? - HCBBS Forum
98. Krei Valves - HCBBS Forum
99. The impact of high salt content in the crude oil after distillation in atmospheric and vacuum distillation units - HCBBS Forum
100. Detecting faults in low-voltage distribution cabinets using a phase volt-ampere meter - HCBBS Forum