English — Forum #723 (Page 459/642)

1. What is the denitration mechanism of NACIO2 solution? - HCBBS Forum
2. Which enterprises need to remove sulfate ions from their wastewater - HCBBS Forum
3. Consultation regarding ID TS2210028 - HCBBS Forum
4. What effect will it have on the meter if the vortex flowmeter and the inner diameter of the pipe connected to it are different? - HCBBS Forum
5. What methods do you use to improve the accident handling skills of team members? - HCBBS Forum
6. Stainless steel pipe expansion joint - HCBBS Forum
7. Comprehensive energy consumption in anhydrous sulfuric acid production - HCBBS Forum
8. Selection of methods for the properties of vinyl chloride - HCBBS Forum
9. Corrosion-resistant materials for heat exchangers in petroleum and chemical plants - HCBBS Forum
10. Looking for manufacturers; those you are familiar with can also recommend some. The specific dimensions and requirements can be discussed in more detail later. The material requirement is 310s plus ceramic fibers - HCBBS Forum
11. Will my salary increase this year? - HCBBS Forum
12. What are the testing methods for vanadium content? - HCBBS Forum
13. Level measurement - HCBBS Forum
14. Siemens S7-300 software (Chinese version) - HCBBS Forum
15. 【Daily Question】Chemical Engineering Principles 228: Distillation (November 9) - HCBBS Forum
16. Urgently request the selection of a terminator for the DCC unit reactor? - HCBBS Forum
17. 【Daily Question No. 25】November 13, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
18. 【Daily Question】Question for 20151111 - HCBBS Forum
19. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 211 - HCBBS Forum
20. Catalytic flue gas dust concentration analysis equipment - HCBBS Forum
21. 【Diesel Hydrogenation】Renovation of 200,000-ton gasoline and diesel hydrogenation unit and 100,000-ton C9 hydrogenation unit - HCBBS Forum
22. Shell divests its LPG business in France to focus on a single market with a streamlined operation - HCBBS Forum
23. What caused the sudden sharp increase in pressure in the methanol intermediate storage tank? - HCBBS Forum
24. (High-pressure vessels) What is the classification for high-pressure vessels? - HCBBS Forum
25. 【Popular Science on Polymers and Materials】--Popular Science on the Materials Used for Room Light Shades in Room 018 + ljtjbx - HCBBS Forum
26. Help: Should feeding be stopped if the hydrogen fuel gas for gasoline production is interrupted? - HCBBS Forum
27. Hydrogen production and hydrogenation technology version [Daily Question] compilation post – updated daily by the moderator - HCBBS Forum
28. How is a cooling tower selected? - HCBBS Forum
29. How to learn phonetic symbols from scratch in English - HCBBS Forum
30. 【Daily Question】11.12 True or False: The head of a centrifugal pump increases as the flow rate increases - HCBBS Forum
31. APTEC technology upgrade for PVC process - HCBBS Forum
32. 【Daily Question】November 13, 2015: Boiler True/False Questions (3 wealth points for replying; +3 to 8 additional wealth points for correct answers) - HCBBS Forum
33. High-temperature resistant anti-corrosion material - HCBBS Forum
34. Cleaning of the inner wall of carbon steel pipes - HCBBS Forum
35. Help: Could anyone share some knowledge regarding air cooling of steam turbines? - HCBBS Forum
36. Under what circumstances does a reciprocating compressor require an emergency shutdown? - HCBBS Forum
37. Can someone help me? I’m not majoring in this field, but I want to do well at it - HCBBS Forum
38. 【Daily Question】11.16 Multiple-choice question: The purpose of adding metals such as potassium and magnesium to hydrogenation protectants - HCBBS Forum
39. The Roots blower produces high noise after pressurization; seek a solution - HCBBS Forum
40. What type of shaft seal is suitable for resin gear pumps? - HCBBS Forum
41. Is the safety of coal chemical industry reliable? Take a look at the three major safety hazards in coal chemical industry! - HCBBS Forum
42. What is the difficulty level of the Professional English test for Science and Engineering A? - HCBBS Forum
43. Application of the CWL-M type centrifugal extractor solvent extraction method in the deep processing of tea - HCBBS Forum
44. What are the consequences of excessive methanol content entering the methanation tower? - HCBBS Forum
45. What is safety design? How do you understand it? - HCBBS Forum
46. Question 90 on Boiler Foundations, November 15: (A certain score will be given to the top 40) - HCBBS Forum
47. Report: Global temperatures to rise by 4 degrees; cities such as Shanghai and Tianjin will be flooded - HCBBS Forum
48. Centrifugal pump auxiliary piping system - HCBBS Forum
49. Text information on air-cooled fans - HCBBS Forum
50. Texaco gasifier - HCBBS Forum
51. For a while, it was the ringtone for everyone on our side - HCBBS Forum
52. 【Daily Question】Chemical Engineering Principles 233: Heat Exchangers (November 14) - HCBBS Forum
53. Civil Engineering Structure Discussion Area ---- [Daily Question] Question from Issue 20151110 - HCBBS Forum
54. 20151113 Daily Question - HCBBS Forum
55. 【Daily Question】November 07, 2015: Ultrasonic testing of steel plates (2 wealth points for a reply; +3–8 additional wealth points if the answer is correct) - HCBBS Forum
56. Instrument display method - HCBBS Forum
57. General contractor for desulfurization waste liquid salt recovery project - HCBBS Forum
58. Issues related to the detection of sulfides in wastewater - HCBBS Forum
59. What is the revenue model of wastewater treatment plants? - HCBBS Forum
60. Intersections of material lines in the process flow diagram? - HCBBS Forum
61. Ministry of Housing and Urban-Rural Development: Striving to issue practice signature documents for engineers in the fields of chemicals, utility equipment, and electrical engineering - HCBBS Forum
62. Regarding the issue of oil filling volume in the compressor oil station - HCBBS Forum
63. What are the main categories of deposits in cooling circulating water systems? - HCBBS Forum
64. 【Daily Question】November 10 – Push-type mechanical seal (First 80 participants: +2 points; +3 to 8 additional points for each correct answer) - HCBBS Forum
65. Event - HCBBS Forum
66. Cooling and self-flushing of mechanical seals in centrifugal pumps - HCBBS Forum
67. Winter anti-freezing for plate heat exchangers - HCBBS Forum
68. Meso locator - HCBBS Forum
69. Do any experts have any good recommendations for pressure testers? - HCBBS Forum
70. 【Daily Question】Multiple-choice question 11.6 For oil processing, the specified furnace temperature for heating furnaces is ≯（not more than）（ ）℃ - HCBBS Forum
71. 【Weekly Topic】11.16~11.22 What are the main reasons for overheating in the Claus reactor? How to handle it? - HCBBS Forum
72. Technical Requirements for Industrial White Oil, effective July 1, 2002 - HCBBS Forum
73. What is a separation vessel? Give an example? - HCBBS Forum
74. How can pressure vessels be classified according to wall temperature? - HCBBS Forum
75. Let’s discuss how to address the issue of excessive temperature rise in residue hydrogenation - HCBBS Forum
76. The temperature difference across the catalyst layer should not be too large. Why? - HCBBS Forum
77. The SVI of printing and dyeing wastewater is low - HCBBS Forum
78. Let’s discuss the effects of scaling on turbine blades - HCBBS Forum
79. Copy lane end connection issue - HCBBS Forum
80. 【Popular Science on Polymers and Materials】--003 Plastic Slippers + zdl1966 - HCBBS Forum
81. Fluidized bed granulation - HCBBS Forum
82. A new condensate recovery system is being established to supply water for the circulating water system, but its ammonia nitrogen content is high – how can this issue be resolved? - HCBBS Forum
83. What unit is spcl? - HCBBS Forum
84. When importing proii data into htri, it shows FLASH on Stream ‘Y1’ DID NOT SOLVE - HCBBS Forum
85. Reasonableness of dry gas seal configuration in propylene compressors - HCBBS Forum
86. It’s a simple question, but it’s not clear how to explain it - HCBBS Forum
87. water coal slurry - HCBBS Forum
88. Regarding Aspen nested loops - HCBBS Forum
89. 【Daily Question】Question from Issue 20151105 - HCBBS Forum
90. Seven Key Revision Points of the “Emission Standards for Pollutants from Urban Sewage Treatment Plants” (Draft for Comment) - HCBBS Forum
91. Jiangsu Lvyuan Design and Research Co., Ltd - HCBBS Forum
92. I’m looking for recommendations for valuable trade shows, conferences, and other learning opportunities in the instrumentation and automation industry - HCBBS Forum
93. Valve internal leakage detection - HCBBS Forum
94. 【Daily Question】Question from Issue 20151111 - HCBBS Forum
95. Coke tower cold coke temperature - HCBBS Forum
96. The significance of melting point and glass transition temperature for polymers - HCBBS Forum
97. 【Daily Question】Question from Issue 20151105 - HCBBS Forum
98. Issues with opening of explosion-proof doorways - HCBBS Forum
99. When was the intelligent transmitter introduced? What are its features? - HCBBS Forum
100. The fertilizer market faces multiple pressures; the industry places its hopes on policy measures - HCBBS Forum