English — Forum #337 (Page 139/163)

1. Which component should be chosen for the heat transfer oil in HTRI? ! - HCBBS Forum
2. Dike installation and distance between tanks and the outside environment - HCBBS Forum
3. A letter from a security professional to his wife - HCBBS Forum
4. Regarding the location of seams on insulated aluminum sheets - HCBBS Forum
5. After the device is overhauled and the system is purged with nitrogen, how is the oxygen content level determined? What is the standard based on? - HCBBS Forum
6. [Pipeline Valve Technology Edition-Daily Question Common Mistakes in Piping] 20170718 - HCBBS Forum
7. 【Standard Communication Version--One Question per Day】20170825 - HCBBS Forum
8. A hazard catalog that reflects the spirit of craftsmanship - HCBBS Forum
9. Discussion on the material of storage and transportation pipelines for 35% hydrogen peroxide - HCBBS Forum
10. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170818 - HCBBS Forum
11. The steam generated in the methanol synthesis drum exceeds the specified limits - HCBBS Forum
12. Where can one find information on phase transition heat? - HCBBS Forum
13. Is 98% acid (concentrated sulfuric acid) considered fuming sulfuric acid? Should the fire hazard be classified as Category B? ? - HCBBS Forum
14. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (August 21) - HCBBS Forum
15. 【Registration Power 08 Case, Question 20 in the morning】Why are the formulas in the book so strange? - HCBBS Forum
16. Question: For the pipe flexible connector shown in the diagram, how should the specifications be written? - HCBBS Forum
17. Weird Design No. 2, Fighting between Foundation and Takeover - HCBBS Forum
18. Cracks appear on the reduced-diameter tees of stainless steel TP321 - HCBBS Forum
19. How to mark the red line on an oil-filled vibration-resistant pressure gauge - HCBBS Forum
20. Vitamin A production - HCBBS Forum
21. The office for the process methanol plant was established - HCBBS Forum
22. What type of shell-and-tube heat exchanger is the AJW type? - HCBBS Forum
23. Design of steam flash tanks - HCBBS Forum
24. 【Standard Communication Version--One Question per Day】20170719 - HCBBS Forum
25. In the field of pharmaceutical eutectics, are there any renowned researchers? - HCBBS Forum
26. How to recover flue gas sulfur most economically - HCBBS Forum
27. Heat exchanger - HCBBS Forum
28. Steam separator tank? - HCBBS Forum
29. 【Piping Valve Technology Edition – Daily Question on Common Piping Errors – Piping Design for Thermometers】20170824 - HCBBS Forum
30. Calculation of energy consumption containing nitrogen in the syngas compression process - HCBBS Forum
31. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170810 - HCBBS Forum
32. Design of falling film evaporators - HCBBS Forum
33. [Mechanical Equipment Technology Edition] Daily Question 20170908 – Refrigeration Design - HCBBS Forum
34. 7.20--Daily Questions in Pharmaceutical Engineering to Expand Your Knowledge - HCBBS Forum
35. What is the difference between filtering particulate matter and filtering oil mist? ! - HCBBS Forum
36. Process Section – Daily Hydrogenation Process Knowledge Question No. 032 - HCBBS Forum
37. 【Standard Communication Version--One Question per Day】20170728 - HCBBS Forum
38. Tank location - HCBBS Forum
39. Reactor shutdown washing - HCBBS Forum
40. Disposable medical gloves, wet wipes category - HCBBS Forum
41. Advantages and disadvantages of inlet air from above and below on molecular sieves - HCBBS Forum
42. The entire factory building is classified as Category B, and explosion-proof zones have been designated in the areas near potential hazards; then, do other parts of this Category B factory building also need to be protected against... - HCBBS Forum
43. Issues with the layout of pipeline data table drawings; colleagues from the design institute, please come in - HCBBS Forum
44. How does the solubility of formaldehyde change with temperature? - HCBBS Forum
45. Seeking advice on heat treatment processes - HCBBS Forum
46. Industrial steam pipelines with frequent start-stop operations - HCBBS Forum
47. Take a look, what is this? - HCBBS Forum
48. Why is steam dilution chosen instead of a vacuum reaction for the dehydrogenation of ethylbenzene to produce styrene? - HCBBS Forum
49. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 14) - HCBBS Forum
50. Oxidation of isobutane to tert-butyl hydroperoxide - HCBBS Forum
51. The fly ash discharge often gets clogged; is there any solution? - HCBBS Forum
52. Alcohol production process flowchart - HCBBS Forum
53. 8.8 – Answer questions daily (Pharmaceutical Engineering Technology version); wealth is awarded every day - HCBBS Forum
54. Calculate evaporation amount - HCBBS Forum
55. Torch cold exhaust system - HCBBS Forum
56. How to dry the wetting agent used for purchasing polysilicon reverse disproportionation catalysts - HCBBS Forum
57. Do plate heat exchangers have a much higher heat transfer coefficient at the same pressure drop? ! - HCBBS Forum
58. Urgent question: Can Q245 flanges be welded to L360M pipes? - HCBBS Forum
59. 8.28-Answer questions daily to win rewards and gain knowledge (Pharmaceutical Engineering Technology version) - HCBBS Forum
60. Vacuum concentration - HCBBS Forum
61. Fundamentals of Manufacturing Processes (True/False Questions) 20170805 - HCBBS Forum
62. Does the pharmaceutical design institute have any relevant process packages available? - HCBBS Forum
63. Are the valves for fault open FO and fault closed FC suitable for pneumatic operation? ! - HCBBS Forum
64. Knowledge about ammonia water - HCBBS Forum
65. Fundamentals of Manufacturing Processes (True/False Questions) 20170729 - HCBBS Forum
66. po/sm - HCBBS Forum
67. 2016 Anhui Chemical Morning Case Question 2 - HCBBS Forum
68. Ask what the Torch Line is - HCBBS Forum
69. How is the static pressure at the fan outlet defined? - HCBBS Forum
70. The issue of selecting the type of heat exchanger - HCBBS Forum
71. edr1638 Warning Removal Method - HCBBS Forum
72. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170729 - HCBBS Forum
73. Hydroprocessing and Hydrocracking – Kunlun Consulting - HCBBS Forum
74. 【Standard Communication Version--One Question per Day】20170818 - HCBBS Forum
75. Dibenzyl ether oxidation process - HCBBS Forum
76. Process Section – Daily Hydrogenation Process Knowledge Question No. 025 - HCBBS Forum
77. Process Section – Daily Hydrogenation Process Knowledge Question No. 034 - HCBBS Forum
78. Storage tank unloading arm - HCBBS Forum
79. 【Standard Communication Version--One Question per Day】20170731 - HCBBS Forum
80. 7.29–Daily Quiz (Pharmaceutical Engineering Technology Version) – Prize-winning Contest - HCBBS Forum
81. Do the two ports of the flange need to be numbered separately? - HCBBS Forum
82. Regarding the calculation of flow restriction orifice plates, standard HG/T 20570-95: critical flow rate pressure ratio - HCBBS Forum
83. Can a manual valve be installed on the atmospheric pressure tank overflow line (16 inches)? - HCBBS Forum
84. 8.14 – One question per day; rewards are given regardless of whether the answer is correct or incorrect (Medical Engineering Technology version) – a simple way to expand your knowledge - HCBBS Forum
85. 7.17-Daily Topic (Pharmaceutical Engineering Technology Edition) - HCBBS Forum
86. What is a solvent - HCBBS Forum
87. What is generally chosen for high-temperature heating devices in laboratories? - HCBBS Forum
88. Daily Question ----- How to make underground tanks (discussion topic) - HCBBS Forum
89. 7.18-Daily Topic (Pharmaceutical Engineering Technology Edition) - HCBBS Forum
90. I would like to ask about the methods used for sterilizing and disinfecting process water in the fermentation industry - HCBBS Forum
91. Gas mixer - HCBBS Forum
92. Process Section – Daily Hydrogenation Process Knowledge Question No. 021 - HCBBS Forum
93. Design requirements for chimney height - HCBBS Forum
94. The scene of the broken heat exchange tube - HCBBS Forum
95. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170801 - HCBBS Forum
96. Please provide a photo from the site showing a branch pipe inserted at 45° into the upper part of the main pipe - HCBBS Forum
97. How is moisture removed from organic solvents? - HCBBS Forum
98. 7.27-Daily Questions (Pharmaceutical Engineering Technology Version): Easy questions to score points quickly - HCBBS Forum
99. Can methane dissolve in propane and isopentane? - HCBBS Forum
100. Dual-process technology - HCBBS Forum