English — Forum #723 (Page 402/642)

1. Searching for catalysts for the production of 2-methylfuran - HCBBS Forum
2. How should the operating parameters and media of a plate heat exchanger be specified? - HCBBS Forum
3. 【Daily Topic】【Live Version 20151231】 - HCBBS Forum
4. I want to work in catalyst hydrogenation, and I would like to ask where I should start learning? - HCBBS Forum
5. Extraction agent separation coefficient - HCBBS Forum
6. Dry gas hydrogen production - HCBBS Forum
7. Should a methanol installation be equipped with a combustible gas alarm or a toxic gas alarm? - HCBBS Forum
8. 【Daily Topic】【Live Version 20160105】 - HCBBS Forum
9. How is Nantong Jiangshan Agrochemicals? - HCBBS Forum
10. Help! How to translate such a long sentence? ? - HCBBS Forum
11. Confirmation and assessment of KPI indicators for operators and maintenance staff by the production unit - HCBBS Forum
12. How do people clean chemical storage tanks such as crude benzene tanks, tar tanks, anthracene oil tanks, washing oil tanks, and naphthalene tanks? - HCBBS Forum
13. Dry gas hydrogen production - HCBBS Forum
14. ★Haichuan’s “Thanksgiving Season” Grand Event ★ Summary of Events by Region【Updated on April 7】 - HCBBS Forum
15. Sign-in record post from January 8, 2016 - HCBBS Forum
16. The relationship between boiling range and oil composition - HCBBS Forum
17. Parameters on the valve body - HCBBS Forum
18. 【Daily Question】1.4 Fill-in-the-blank: What are the three forms of heat transfer? - HCBBS Forum
19. If the floating valve gets stuck in the opening of the tray and cannot move up or down, what abnormal symptoms will occur in the distillation column? - HCBBS Forum
20. The negative pressure in the furnace chamber of the heating furnace fluctuates too greatly - HCBBS Forum
21. Regulations on Automatic Control in Chemical Engineering Design - HCBBS Forum
22. Service life of PT100 - HCBBS Forum
23. Industry regions carry out the “Haichuan Gratitude Season” campaign - HCBBS Forum
24. ★Haichuan’s “Thanksgiving Season” Large-Scale Member Sharing Event ★ Safety and Environment Special Edition★ - HCBBS Forum
25. 【Daily Topic】【Electrical Edition 20151229】 - HCBBS Forum
26. Received the USB drive sent by Haichuan to spend some money - HCBBS Forum
27. 【Daily Question】1.8 List common corrosion control methods (3 points for a reply; +3 to 8 points if the answer is correct) - HCBBS Forum
28. “\"Haichuan Gratitude Season\" – My Chapter of Gratitude 【Shihua 008】 - HCBBS Forum
29. 【Daily Question No. 57】December 31, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
30. 【Daily Question】12.30 Types of corrosion in polymer materials (3 wealth points for replies; +3 to +8 wealth points for correct answers) - HCBBS Forum
31. 【Daily Question No. 86】December 29, 2015: +2 wealth for participation, +3 to +8 wealth for correct answers - HCBBS Forum
32. Management Measures and Recommendations for the Operation of Vacuum Belt Filters - HCBBS Forum
33. HYSYS simulation of the amine liquor load at the outlet of the natural gas purification absorption tower - HCBBS Forum
34. Problems with starting high-pressure coal slurry pumps - HCBBS Forum
35. A heat exchanger should be selected - HCBBS Forum
36. How to separate oil from alkali solution - HCBBS Forum
37. Treatment of reducers in C2 - HCBBS Forum
38. PCS7 historical trends - HCBBS Forum
39. 2016 year-end bonus - HCBBS Forum
40. Initial start-up of methanol distillation - HCBBS Forum
41. Ultrasonic burner - HCBBS Forum
42. Philosophy of life - HCBBS Forum
43. Equipment corrosion issues in sulfur plants - HCBBS Forum
44. Equipment issues in the cold drum section - HCBBS Forum
45. Regarding the start-up of hydrogen production - HCBBS Forum
46. Looking for recommendations – laptops for software simulation - HCBBS Forum
47. I have some basic knowledge of instrument maintenance and only a superficial understanding of DCS; I would like to learn the fundamentals of control systems and am looking for relevant basic materials. Thank you - HCBBS Forum
48. Issues of fluid velocity and pressure drop in pipelines - HCBBS Forum
49. Serial control - HCBBS Forum
50. I found a system vulnerability - HCBBS Forum
51. How can static electricity be prevented in plastic pipes used for flammable liquids? - HCBBS Forum
52. Is it difficult to add a side draw line to an old distillation tower? - HCBBS Forum
53. What are the common models of pressure reducing valves in use today? - HCBBS Forum
54. Why does the current reading fluctuate back and forth when the reciprocating machine is operating normally? - HCBBS Forum
55. What should be done if an 8-character blind flange is painted? - HCBBS Forum
56. Looking for questions for a production scheduling exam. - HCBBS Forum
57. 【Daily Question】2016 1.5 Multiple-choice question Which of the following heat exchangers does not transfer heat through the tube wall? ( . - HCBBS Forum
58. Regarding air coolers, what are their main failure modes and maintenance tasks? - HCBBS Forum
59. 【Daily Topic】【Engineering Version 20160107】 - HCBBS Forum
60. Award at the beginning of the year – a great start - HCBBS Forum
61. Optical flow meter, who knows - HCBBS Forum
62. Are there any standards for globe valves larger than 4 inches in the API? - HCBBS Forum
63. Thermal resistance issue - HCBBS Forum
64. Haichuan Gratitude Season--My Senior Mentor【Workplace Section 001】 - HCBBS Forum
65. Material library for glass fiber reinforced plastic pipelines Caesar II - HCBBS Forum
66. What is the control scheme for a liquefied gas desulfurization tower? - HCBBS Forum
67. Resending 【One Question per Day】1.1 Brief answer question: What is the bubble point temperature? - HCBBS Forum
68. What is the appropriate temperature for the catalyst in a regenerator’s ‘dead bed’? Can high temperatures cause damage to the equipment? Is it necessary to use shielding steam for internal heat extraction?.... - HCBBS Forum
69. Is the ozone room (10kg/h) considered a Class A building? Is explosion protection needed? - HCBBS Forum
70. 【Thoughts】I am a safety officer - HCBBS Forum
71. 【Daily Topic】【Engineering Version 20160111】 - HCBBS Forum
72. What type of adhesive is used for brazing? - HCBBS Forum
73. 【Joint Study*】【HVAC Version 20151231】 - HCBBS Forum
74. Calculation of heat exchanger thermal efficiency - HCBBS Forum
75. Questions regarding drying room design. - HCBBS Forum
76. Part-time non-standard equipment design - HCBBS Forum
77. Methane content in gasification gas - HCBBS Forum
78. Environmental Protection Daily Question 1.8: Participate for prizes; 3 correct answers earn an additional 5 prizes - HCBBS Forum
79. \"Haichuan Irrigation Co., Ltd. Convenience Store\" 209-39 has begun - HCBBS Forum
80. 【Daily Question】Chemical Engineering Principles 287: Steam Drum (January 7) - HCBBS Forum
81. 【Daily Question】Supplement 1.9 Short Answer Question: Why is the diameter of the upper part of the vacuum distillation tower smaller? - HCBBS Forum
82. Year-end summary content - HCBBS Forum
83. Local resistance coefficients of valves and elbows - HCBBS Forum
84. Joint Learning*1221: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
85. 【Daily Question】Question from Issue 20151216 - HCBBS Forum
86. Refrigeration system cold box - HCBBS Forum
87. How to spend Christmas Eve? - HCBBS Forum
88. Where does the main cable from the instrument junction box go after entering the control room? - HCBBS Forum
89. Sir, what does temperature measurement series control mean? - HCBBS Forum
90. 【Daily Question】Chemical Engineering Principles 272: Hydrogen Station (December 23) - HCBBS Forum
91. 【Basic Knowledge 21】Pitting and Its Prevention (Prize Quiz) - HCBBS Forum
92. 【Daily Question】12.24 Multiple-choice question: Which two reflux methods are commonly used in atmospheric and vacuum distillation? - HCBBS Forum
93. 【Daily Question】12.22 Multiple-choice Question: Increasing the reaction temperature in hydrofining will cause the reaction rate to ( - HCBBS Forum
94. Instrument deviation issue - HCBBS Forum
95. 【Daily Question No. 53】December 25, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
96. prolinkIII 1.0 installation software - HCBBS Forum
97. Career prospects for those with a degree in chemical engineering and technology - HCBBS Forum
98. Connection between the valve body and the valve flange - HCBBS Forum
99. Colleague’s year-end work summary - HCBBS Forum
100. Ten pain points in enterprise security management - HCBBS Forum