English — Forum #337 (Page 133/163)

1. Heat exchanger tube sheet metal design temperature - HCBBS Forum
2. 【HVAC Version】Daily Question 20171031 - HCBBS Forum
3. Fundamentals of Manufacturing Processes (Multiple Choice) 20180108 - HCBBS Forum
4. Building categories and fire hazard classifications for fire pump rooms and diesel generator rooms - HCBBS Forum
5. A heat transfer oil is used in the jacket of the reaction kettle; why is a safety valve installed on the return oil pipeline? - HCBBS Forum
6. What are the reasons for the increase in temperature in an alkylation contact reactor? - HCBBS Forum
7. How to prevent freezing of fire steam and fire water in winter - HCBBS Forum
8. What specifications and catalogues are required for process pipelines in the pharmaceutical and electronics industries? - HCBBS Forum
9. What is the impact of the hydrocarbon conversion hydrogen production unit’s output variation on the PSA off-gas volume? - HCBBS Forum
10. Low-temperature methanol washing tail gas contains alcohol - HCBBS Forum
11. C4 hydrogenation - HCBBS Forum
12. What types of pressure gauges and flow meters are used for pressure measurement (several thousand pascals) and flow measurement on air ducts, respectively? ? - HCBBS Forum
13. Request for the ammonia refrigeration process flow in cold storage - HCBBS Forum
14. Fundamentals of Manufacturing Processes (Multiple Choice) 20171230 - HCBBS Forum
15. The issue of the maximum temperature of the heating medium in water-jacketed furnaces - HCBBS Forum
16. Purification of wet phosphoric acid - HCBBS Forum
17. Daily Question: Methanol Technology Edition 20170917(1) - HCBBS Forum
18. If a tank for holding tar or an air flotation tank is located within the factory building, is the fire hazard classification of the building classified as Class A? ? ? Based on which article... - HCBBS Forum
19. Process Section – Daily Hydrogenation Process Knowledge Question No. 004 - HCBBS Forum
20. 【Standard Communication Version--One Question per Day】20170811 - HCBBS Forum
21. 【Process Area】Seeking a dedicated moderator — (permanent position) - HCBBS Forum
22. Can calcium chloride waste be used in cement production? - HCBBS Forum
23. Asbestos rubber sheet - HCBBS Forum
24. Question 24 from the 2016 Chemistry and Engineering case study, afternoon session - HCBBS Forum
25. What material is used for chlorine dioxide? ? ? - HCBBS Forum
26. Process Section – Daily Hydrogenation Process Knowledge Question No. 018 - HCBBS Forum
27. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 13) - HCBBS Forum
28. [Mechanical Equipment Technology Edition] Daily Question 201709012: Refrigerator Maintenance - HCBBS Forum
29. Distance between the gas generator and the coal shed - HCBBS Forum
30. Haichuan Original E-books—The eighth batch of e-book rewards has been announced (Part 2) - HCBBS Forum
31. What impact will the merger of Dow and DuPont have on China? - HCBBS Forum
32. Who are the notable figures in the field of pharmaceutical engineering? - HCBBS Forum
33. Comparison between three-effect evaporation and two-effect + single-effect evaporation - HCBBS Forum
34. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 7) - HCBBS Forum
35. Diesel hydrorefining - HCBBS Forum
36. New ideas for energy savings – Creative approaches to the “Energy-efficient and efficient renovation of acid waste dehydration tanks” - HCBBS Forum
37. Regarding the issue of waste hydrogen - HCBBS Forum
38. Discussion on the installation location of condensers in vacuum systems - HCBBS Forum
39. Fundamentals of Manufacturing Processes (True/False Questions) 20170728 - HCBBS Forum
40. 7.23-Daily Topic (Pharmaceutical Engineering Technology Edition) - HCBBS Forum
41. Design issues in the filling area of liquor factories - HCBBS Forum
42. Are there any documents on the design process? - HCBBS Forum
43. I have a question regarding the configuration of a compressed air station that uses waste heat dryers - HCBBS Forum
44. 58 people held accountable! Report on the investigation into the serious high-pressure steam pipeline explosion incident on August 11 in Dangyang, Hubei released - HCBBS Forum
45. 7.30–Daily Quiz (Pharmaceutical Engineering Edition): Prize-winning competition - HCBBS Forum
46. Calculation of the relief temperature for safety valves under fire conditions - HCBBS Forum
47. 【Standard Communication Version--One Question per Day】20170810 - HCBBS Forum
48. Fundamentals of Manufacturing Processes (True/False Questions) 20170809 - HCBBS Forum
49. Are API manufacturers highly monopolistic these days? - HCBBS Forum
50. 【Standard Communication Version--One Question per Day】20170725 - HCBBS Forum
51. What standards are used for the testing of steel pipe welds? - HCBBS Forum
52. E-book materials ~ Lecture on Natural Gas Chemical Processing Technology (Chapter 8) - HCBBS Forum
53. Basic Process Knowledge (True/False Questions) 20170904 - HCBBS Forum
54. Fundamentals of Manufacturing Processes (True/False Questions) 20170826 - HCBBS Forum
55. Problems with electromagnetic heating - HCBBS Forum
56. [Daily Question] What is the working principle of a pressure transmitter and where should it be installed? - HCBBS Forum
57. May I ask if the button box can be placed in the room where hydrogen is released? ? - HCBBS Forum
58. Does anyone do automatic control in the pharmaceutical industry? For example, does it control the dispensing (solvent) from the tank area to the workshop reactor? Not only consider one-on-one... - HCBBS Forum
59. What are good treatment methods for pharmaceutical wastewater? - HCBBS Forum
60. Standards for oxygen content in the hydrogenation section - HCBBS Forum
61. Dual-temperature heat transfer oil system - HCBBS Forum
62. I’ve run into a problem; please help me figure out how to solve it. - HCBBS Forum
63. Are the corrections to several casting formulas accurate? - HCBBS Forum
64. What are the common filtration devices used in pharmaceutical production? - HCBBS Forum
65. Process Section – Daily Hydrogenation Process Knowledge Question No. 014 - HCBBS Forum
66. Chemical Engineering Engineer 2016 Case, Question 22 in the morning - HCBBS Forum
67. 2016 Chemistry Registration Exam Question 25 - HCBBS Forum
68. Basic Process Knowledge (True/False Questions) 20170915 - HCBBS Forum
69. Search for legend - HCBBS Forum
70. Selection of flow meters - HCBBS Forum
71. How to calculate pipe diameter - HCBBS Forum
72. 【Piping Valve Technology Edition – Daily Question: Common Piping Errors – Piping Design for Pressure Gauges and Safety Valves】20170823 - HCBBS Forum
73. Do the instruments need to be removed during the pressure testing of chemical process pipeline systems? - HCBBS Forum
74. I would like to ask what are the common types of bottom valves for reaction vessels? - HCBBS Forum
75. Elbows in two-phase flow pipelines - HCBBS Forum
76. I would like to ask: since water and ethanol have an azeotrope, how is separation achieved through distillation? ? - HCBBS Forum
77. E-Tree ERP version 1.27.02 is released! (Serious commitment: Permanent free version for 5 online users, with no other restrictions whatsoever) - HCBBS Forum
78. Fundamentals of Manufacturing Processes 20170710 - HCBBS Forum
79. Are there any requirements and specifications for the installation of inlet and outlet valves on gas tanks? - HCBBS Forum
80. 9.19 Daily Question – Open-ended question; a reward is given for every correct answer (Pharmaceutical Engineering Technology version) - HCBBS Forum
81. 20 micron tubular filter - HCBBS Forum
82. Can safety valves be used in a one-main-one-redundant configuration? - HCBBS Forum
83. Gas emission from liquid caustic storage tank - HCBBS Forum
84. Would anyone believe in such a stupid device as the wooden ox and horse? ! - HCBBS Forum
85. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 11) - HCBBS Forum
86. The issue of water as a chain terminator in the ring-opening polymerization of ethylene oxide - HCBBS Forum
87. What are the requirements for the purity level of the active pharmaceutical ingredient? - HCBBS Forum
88. check valve - HCBBS Forum
89. 【Piping Valve Technology Edition – Daily Question on Common Piping Errors】20170724 - HCBBS Forum
90. Issues regarding the classification of toxic mixtures in pressure pipelines - HCBBS Forum
91. Absorption for the treatment of hydrogen sulfide waste gas - HCBBS Forum
92. 7.21-Daily Topic (Pharmaceutical Engineering Edition) - HCBBS Forum
93. Calculation of fuel gas for heating furnace - HCBBS Forum
94. I would like to ask what the red one is? How to cover the boiler itself - HCBBS Forum
95. Discussion on Questions 21 and 22 from the 2016 Chemistry Examination Cases in the morning - HCBBS Forum
96. Basic Process Knowledge 20170717 - HCBBS Forum
97. From a heat transfer perspective, why do plate heat exchangers have a higher heat transfer coefficient than tube heat exchangers? ! - HCBBS Forum
98. Settings issues for combustible and toxic gas alarms in compressors - HCBBS Forum
99. CIP and PID - HCBBS Forum
100. Safe design for diesel oxidation desulfurization - HCBBS Forum