English — Forum #723 (Page 500/642)

1. Which is better for changing the gas flow direction in the final cooler? - HCBBS Forum
2. What material is used for the plate heat exchangers in mixed acid? - HCBBS Forum
3. Calibration of newly purchased pressure gauges and safety valves - HCBBS Forum
4. Q&A on Safety Basics: What do you think a safety production strategy refers to? - HCBBS Forum
5. Reciprocating compressor load regulation - HCBBS Forum
6. Ceramic membrane filter - HCBBS Forum
7. Shandong Liquefied Gas Daily Review (20151008) - HCBBS Forum
8. I have a bachelor’s degree in pharmacy, and after graduation I worked as a chemical plant operator for 6 years. Can I take the exam to become a registered chemical engineer? - HCBBS Forum
9. Effect of reboiler temperature on the light component content in the reboiler outlet product - HCBBS Forum
10. Discussion on flue gas treatment technologies for sulfur recovery - HCBBS Forum
11. Is there SO3 in the sulfur recovery unit? - HCBBS Forum
12. May I ask for the calculation process? - HCBBS Forum
13. Adjustment of cosmetic wastewater - HCBBS Forum
14. Hydraulic turbine energy recovery - HCBBS Forum
15. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 188 - HCBBS Forum
16. Seeking advice from experts in foreign trade! ! ! ! - HCBBS Forum
17. 【Daily Question】Question from Issue 20151013 - HCBBS Forum
18. I’m confused – should I pursue further studies or start working? - HCBBS Forum
19. ~~Company canteen drying competition~~ Drying things brings wealth (⊙o⊙) oh - HCBBS Forum
20. Heat exchanger tube sheet calculation (examiner’s questions) - HCBBS Forum
21. The purpose of adding chemicals to circulating water is to remove impurities from it, right? - HCBBS Forum
22. 【Weekly Question】+9 for correct answers, +2 for participation, +1 for attempting to answer； Close this post on Sunday - HCBBS Forum
23. Seek GB/T 1282-2013 Chemical Reagents – Phosphoric Acid - HCBBS Forum
24. pH value of synthetic waste boiler water - HCBBS Forum
25. Is there a difference between metric pipes and imperial pipes? - HCBBS Forum
26. What pollutants may be generated during the storage and transportation of oil products? - HCBBS Forum
27. Looking for training courses on Emerson Delta V7009, preferably in Chinese - HCBBS Forum
28. Dear experts on this forum, I have some questions regarding valve materials - HCBBS Forum
29. Seeking information on Spycatcher - HCBBS Forum
30. Seeking advice on the separation of carbon dioxide - HCBBS Forum
31. Special Topic 1 of the Registered Chemical Engineer Professional Examination: Fluid Flow and Fluid Conveyance Machinery - HCBBS Forum
32. What factors should be considered when formulating a lifting plan? - HCBBS Forum
33. 【Haichuan Irrigation Co., Ltd. Tea House】Talking about Entertainment in the Tea House - HCBBS Forum
34. Purging of large-diameter long-distance pipelines - HCBBS Forum
35. What is the reaction equation for sodium lauryl sulfate and dilute sulfuric acid under heating conditions? - HCBBS Forum
36. Calculation for large holes in flat covers - HCBBS Forum
37. 【Daily Question】Question from Issue 20151014 - HCBBS Forum
38. Differential pressure transmitter plug issues - HCBBS Forum
39. Explanation regarding the accidental deletion of some posts by sea friends in the leisure area - HCBBS Forum
40. Methods of adding seed crystals - HCBBS Forum
41. Seeking help regarding valve information - HCBBS Forum
42. Let’s work on questions 06-20 from the 2015 First-Class Constructor Examination – multiple-choice questions on laws and regulations, questions 23-24 - HCBBS Forum
43. The joint platform of the spherical tank can be broken by typhoons - HCBBS Forum
44. Let’s work on Questions 02-20 from the 2015 First-Class Constructor Examination – Multiple Choice Questions on Laws and Regulations, questions 06-10 - HCBBS Forum
45. Acid pump installation - HCBBS Forum
46. Determination of the drum pressure - HCBBS Forum
47. May I ask: what is the overhaul cycle for the chlor-alkali plant at your facility? Is it a major overhaul once a year or on some other schedule? How many days does a typical major overhaul take? - HCBBS Forum
48. Job search for pipeline design experience of 8 years - HCBBS Forum
49. Can stainless steel thin-walled sanitary pipes be used in pressure pipelines? - HCBBS Forum
50. Pump piping issues - HCBBS Forum
51. If the heating steam pressure of a device fluctuates frequently - HCBBS Forum
52. When is it necessary to activate the turbine bypass system? - HCBBS Forum
53. Looking for DTB mold drawings or mold diagrams - HCBBS Forum
54. What are the categories of violations that occur at the operation site? - HCBBS Forum
55. Selsis differential pressure transmitter for level measurement - HCBBS Forum
56. Help, lubricant leakage issue! - HCBBS Forum
57. 【Daily Question】Chemical Engineering Principles 197: Theoretical Block (October 9) - HCBBS Forum
58. 【Daily Question】Question from Issue 20151010 - HCBBS Forum
59. Luzzi process air-cooled methanol synthesis reactor - HCBBS Forum
60. I’ve been approached too - HCBBS Forum
61. Please ask an expert for help-------Steam heat exchange problem - HCBBS Forum
62. Is it necessary to install sewage collection systems in the pipe galleries of reservoir areas and docks? - HCBBS Forum
63. 【Daily Question】Question from Issue 20151012 - HCBBS Forum
64. How to simulate a rotating expansion joint - HCBBS Forum
65. What is the investment required for an air separation plant with a capacity of 43,000? - HCBBS Forum
66. Seawater desalination - HCBBS Forum
67. Electric ball valve model editing method - HCBBS Forum
68. What methods can be used to prevent freezing in a vertical water storage tank that is 12 meters high and has a capacity of 50 cubic meters during winter? - HCBBS Forum
69. A paradise for food lovers – how can it survive? - HCBBS Forum
70. Is keeping pets related to environmental protection? - HCBBS Forum
71. Consequences of over-aeration in the A/O process - HCBBS Forum
72. How is the process engineering department of the Xinjiang Design Branch of China National Petroleum Engineering Corporation (Urumqi Petrochemical Plant Design Institute)? - HCBBS Forum
73. Basic Safety Q&A: What do you think essential safety is? - HCBBS Forum
74. Why doesn’t China’s CBA hold preseason games? - HCBBS Forum
75. Some English terms specific to valves - HCBBS Forum
76. What are the blue impurities in low-temperature methanol washing? - HCBBS Forum
77. Specific corrosion resistance of 2205 duplex steel - HCBBS Forum
78. On-site repair of metal tube float flowmeters - HCBBS Forum
79. Request for lubricant technical agreement - HCBBS Forum
80. Gifts for National Day - HCBBS Forum
81. S7-200 programming transfer and conversion instructions - HCBBS Forum
82. What is a holdback valve? - HCBBS Forum
83. What should the synthesis section pay attention to when the air separation unit in a methanol plant is shut down? The power plant is shut down – what should the synthesis section pay attention to? - HCBBS Forum
84. What is the difference between a cylindrical tubular furnace and a cubic tubular furnace? - HCBBS Forum
85. water gas - HCBBS Forum
86. Japan develops semi-mechanical insects: generating electricity from cockroach bodily fluids to power LEDs - HCBBS Forum
87. 【Daily Question】Question 19: Test question from issue 20151014 (Repeat +2)； For the other +3) - HCBBS Forum
88. The USB drives on the public computers keep getting infected with viruses - HCBBS Forum
89. Selection of flow meters for the three materials entering the urea synthesis tower - HCBBS Forum
90. Do ASME standards specify the applicable ranges for SO flanges and WN flanges? - HCBBS Forum
91. High-speed pumps: What should be considered during maintenance? - HCBBS Forum
92. 【Daily Question】Question from Issue 20151012 - HCBBS Forum
93. This news is enough to reassure everyone to continue with the exams – regarding the qualification assessment of Shenyang Ruitai Construction Engineering Co., Ltd - HCBBS Forum
94. Winter is approaching – what anti-freezing measures do the factories where you work have in place? - HCBBS Forum
95. Daily Question 2015.10.10 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question) - HCBBS Forum
96. deoxidizer - HCBBS Forum
97. Question 63 on the foundation of Furnace 10/16: (A certain score is given to the top 40) - HCBBS Forum
98. Environmental protection equipment commissioning engineer or chemical production technician - HCBBS Forum
99. Search for large-scale storage tank design and construction companies - HCBBS Forum
100. Regarding the qualification requirements for various types of valves! ! - HCBBS Forum