English — Forum #337 (Page 137/163)

1. Process Section – Daily Hydrogenation Process Knowledge Question No. 016 - HCBBS Forum
2. Regarding alcohol distillation - HCBBS Forum
3. Calculation of refrigeration capacity for refrigerators - HCBBS Forum
4. How to solve question 19 in the afternoon session on cases related to the chemical engineering major in 2016 - HCBBS Forum
5. How is warehouse automation achieved in pharmaceutical companies? - HCBBS Forum
6. The atmospheric temperature is 30 degrees and the relative humidity is 70%. What is the water content in mg/m3? ! - HCBBS Forum
7. Process Section – Daily Hydrogenation Process Knowledge Question No. 037 - HCBBS Forum
8. What are the fire safety requirements for archive room construction? - HCBBS Forum
9. Look, what is this device and what is it used for? - HCBBS Forum
10. Where can I find the pressure testing types and pressure testing pressures corresponding to various media in the pipeline table? - HCBBS Forum
11. What brands are generally chosen for heating circulation systems? - HCBBS Forum
12. [Pipeline Valve Technology Edition-Daily Question Common Mistakes in Piping] 20170722 - HCBBS Forum
13. May the power distribution room and the control room be in the same room or adjacent to each other? - HCBBS Forum
14. Calculate the heat exchange area - HCBBS Forum
15. How are pressure gauges, transmitters, thermometers, etc. installed in plastic pipes? ? - HCBBS Forum
16. Daily Question: Methanol Technology Edition 20170916 - HCBBS Forum
17. How to remove organic sulfur from coke oven gas? ! - HCBBS Forum
18. E-book material~Corrosion Prevention and Protection in Petrochemical Refineries (Chapter 2) - HCBBS Forum
19. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (August 24) - HCBBS Forum
20. I’d like to ask the experts: what kind of valve is this? - HCBBS Forum
21. Fundamentals of Manufacturing Processes 20170722 - HCBBS Forum
22. What is the size of the filter orifice? Thank you very much? - HCBBS Forum
23. Does anyone know what the guidelines for calculating the efficiency of screen capture are? - HCBBS Forum
24. Fundamentals of Manufacturing Processes (True/False Questions) 20170901 - HCBBS Forum
25. May non-metallic (flammable) pipes be used in Class A and B explosion-proof areas? ? What should be done if it’s necessary to use it due to corrosion issues? - HCBBS Forum
26. The vent line at the bottom of the vacuum gas separator tank in the atmospheric and vacuum distillation unit is blocked - HCBBS Forum
27. Fundamentals of Manufacturing Processes (True/False Questions) 20170824 - HCBBS Forum
28. What is the future of pharmaceutical companies under the new environmental protection landscape? - HCBBS Forum
29. How to convert calorific value into temperature rise - HCBBS Forum
30. E-book materials ~ Natural gas chemical process knowledge lecture (Chapter 4, Sections 2, 3, 4, 5, and 6) - HCBBS Forum
31. Sodium fermetate - HCBBS Forum
32. Answers to questions on flue gas desulfurization technology - HCBBS Forum
33. Can methanol be recovered by distillation from a mixture of methanol, phenol, salicylic acid, and water? ? - HCBBS Forum
34. Daily Question: Methanol Technology Edition 20170914 - HCBBS Forum
35. Seeking help from experts! ! After installing the cracked version of CAESAR II 2017, it fails to open with this message! ! ! - HCBBS Forum
36. As someone in a technical field, to what extent do you use mathematics? ! - HCBBS Forum
37. I would like to ask what equipment I need if I want to make a liquid nitrogen tank Thank you! ! - HCBBS Forum
38. Urgently need a cleaning plan for the tank area, thanks - HCBBS Forum
39. Duct design - HCBBS Forum
40. selenium dioxide - HCBBS Forum
41. Hydrogenation reaction safety relief tank - HCBBS Forum
42. What is stripping? - HCBBS Forum
43. This is a continuous acid nitration and neutralization washing system designed by our company for a certain organization - HCBBS Forum
44. explosion limit - HCBBS Forum
45. Guess what this T-shaped piece is used for? - HCBBS Forum
46. What material is good for hydrogen pipelines? - HCBBS Forum
47. Who among the sea friends has the contact information for SD Company in the United States? - HCBBS Forum
48. 【Mechanical Equipment Technology Edition】Daily Question 201708022: Describe the problem based on the image – 15-20 points of reward! ! - HCBBS Forum
49. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170725 - HCBBS Forum
50. Identification of pipe fitting codes in PID diagrams - HCBBS Forum
51. Where can I find SYJ1016-82 \"Design Specifications for Vertical Cylindrical Welded Steel Oil Tanks\"? - HCBBS Forum
52. Molecular sieves are used to adsorb trace amounts of water in liquids; what is a common choice for the rotation speed of the liquid? - HCBBS Forum
53. What is the typical tax rate for engineering companies? ! - HCBBS Forum
54. Does distillation require the formation of an azeotrope in order to achieve separation? Can’t distillation be used for separation if no azeotrope is formed? - HCBBS Forum
55. 7.26-Daily Topic (Pharmaceutical Engineering Technology Edition) - HCBBS Forum
56. 【Standard Communication Version--One Question per Day】20170804 - HCBBS Forum
57. Do workshops using sodium chlorate need to be explosion-proof? - HCBBS Forum
58. There are 3 atmospheric-pressure flat-bottomed buffer tanks with a capacity of 110 cubic meters at the installation site; is it necessary to install safety valves and vent valves on them? - HCBBS Forum
59. Are there any fire separation requirements between pipelines for Class A and Class B flammable gases or liquids and buildings and equipment? ? - HCBBS Forum
60. Which type of phase separator is suitable for heterogeneous azeotropic distillation? How to control the two-phase liquid level? - HCBBS Forum
61. What is the initial reaction temperature for the reforming reaction? - HCBBS Forum
62. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 5) - HCBBS Forum
63. Appreciation of Calligraphy and Painting 004 - HCBBS Forum
64. Daily Question: Methanol Technology Edition 20170917 (2) - HCBBS Forum
65. What methods are there to separate three mixed solvents with similar boiling points? - HCBBS Forum
66. Producing high-pressure nitrogen from liquid nitrogen - HCBBS Forum
67. What software is used to create 3D animations of production processes? - HCBBS Forum
68. 【Registration Power】Is 0.833 used in the flow rate calculation for air blowers and gas conveyors incorrect? - HCBBS Forum
69. Compilation of Typical Cases of Major and Above Production Safety Accidents in Shandong Province - HCBBS Forum
70. The input power is greater than the cooling capacity. Is this air conditioner correct? ! - HCBBS Forum
71. I would like to know which standards specify exactly how much backflow flow a check valve can reduce - HCBBS Forum
72. Fundamentals of Manufacturing Processes 20170712 - HCBBS Forum
73. Fundamentals of Manufacturing Processes (True/False Questions) 20170912 - HCBBS Forum
74. What technical measures can be used to handle heat-sensitive materials and address the issues related to heat sensitivity? The operation method and equipment can both be discussed. - HCBBS Forum
75. Registered Chemical Engineer – Experience Sharing Event: “Learning from Others’ Experiences” - HCBBS Forum
76. Expert, please help me check out the product CAS 52858-59-0 - HCBBS Forum
77. 【Mechanical Equipment Technology Edition】Daily Question 20170724: What is the name of the component located in the red circle in the image below, and what is its function? - HCBBS Forum
78. 7.20-Daily Topic (Pharmaceutical Engineering Edition) - HCBBS Forum
79. Anhydrous alcohol - HCBBS Forum
80. 8.12 – Answer questions daily for rewards (Pharmaceutical Engineering Technology version): Gain knowledge easily - HCBBS Forum
81. The process area needs to be refueled. . . - HCBBS Forum
82. Usage environment and maintenance methods for electric scissors and power metal cutters - HCBBS Forum
83. Haichuan Original E-books – The release of the seventh batch of finished products and rewards is in progress - HCBBS Forum
84. Plate and frame filter press - HCBBS Forum
85. Production technology of dimethylfuran, a downstream product of furfural - HCBBS Forum
86. Fundamentals of Process Technology 20170715 - HCBBS Forum
87. Basic Process Knowledge (True/False Questions) 20170802 - HCBBS Forum
88. 【Standard Communication Version--One Question per Day】20170730 - HCBBS Forum
89. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170815 - HCBBS Forum
90. What are the common instruments used for drug testing? - HCBBS Forum
91. A good ranking of pharmaceutical companies? - HCBBS Forum
92. 【Process Area Event – Bizarre Designs – 09】-- Install air conditioning control valve - HCBBS Forum
93. [Mechanical Equipment Technology Edition] Daily Question 201709014: Refrigerator Maintenance - HCBBS Forum
94. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 6) - HCBBS Forum
95. What is the difference between the air cooler at the inlet of the primary reformation hydrogen booster and the first-stage circulation air cooler in a continuous reforming unit? - HCBBS Forum
96. Steam consumption per day for carbon dioxide hydrolysis heater - HCBBS Forum
97. What is catalyst gas stripping regeneration? - HCBBS Forum
98. Azelaic acid - HCBBS Forum
99. Is there any specification stating which pipe diameters require threaded connections for pipes or valves, and which diameters require flange or clamp connections? - HCBBS Forum
100. Magnesium-based desulfurization - HCBBS Forum