English — Forum #723 (Page 481/642)

1. Workplace Psychology: Working This Way Without Feeling Tired - HCBBS Forum
2. One post per day - HCBBS Forum
3. What are the indicators for the quality of feedwater in circulating fluidized bed boilers? - HCBBS Forum
4. In the winter plan, how was the adjustment of the gasoline-to-diesel ratio carried out? - HCBBS Forum
5. 【Daily Question】Question from the 20151019 issue - HCBBS Forum
6. Registered Engineer - HCBBS Forum
7. Valve price guide - HCBBS Forum
8. Issues regarding base oils - HCBBS Forum
9. Relationship between top temperature and pressure in a catalytic cracking stabilizer tower - HCBBS Forum
10. Atmospheric pressure tank level gauge - HCBBS Forum
11. SHIKEXUEYUAN GL-1 Solid Regeneration Flue Gas Dechlorination Technology - HCBBS Forum
12. Xiaobai’s question: Can a screw compressor be used to create a vacuum in a negative-pressure system? - HCBBS Forum
13. When calibrating the indicating part of a gas-transmission rotameter, what should be given special attention to? - HCBBS Forum
14. What is the electric desalting oil rejection procedure when the atmospheric and vacuum distillation unit is shut down? - HCBBS Forum
15. Joint Learning*1024: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
16. Electric float level gauge - HCBBS Forum
17. What are the causes of blockage at the top of the stripper? - HCBBS Forum
18. Let’s work on questions 20 to 20 from the 2015 First-Class Constructor Examination, specifically the multiple-choice questions 11-12 on Engineering Economics - HCBBS Forum
19. Naming a baby born in the Year of the Sheep - HCBBS Forum
20. UTA/UTS - HCBBS Forum
21. insurance spare part - HCBBS Forum
22. Effect of tube sheet hole bridge width on the tube sheet - HCBBS Forum
23. Spending money to bring good luck, for success in both life and work - HCBBS Forum
24. What does the discharge ring used for drainage on top of the pump look like? Does anyone have any photos from the scene or anything? - HCBBS Forum
25. Daily maintenance of Roots blowers - HCBBS Forum
26. Dare you give him/her a call! ! ! ! - HCBBS Forum
27. Is the exhaust volume of the DVC6200 locator too high? - HCBBS Forum
28. ASPEN HYSYS software and ASPEN PLUS - HCBBS Forum
29. What is the destructive testing of tower-type equipment? - HCBBS Forum
30. What do people usually do on the weekends? - HCBBS Forum
31. Technical assistance: Selection of steel bars for stressed members - HCBBS Forum
32. The issue of parking in cold and hot conditions - HCBBS Forum
33. What is the purpose of initiating water-cooled operation for the first time? - HCBBS Forum
34. Sea friends, could you send some information on centrifugal pumps? - HCBBS Forum
35. Chemical Engineering in Daily Life – Question 89: Can smelling vinegar help prevent colds? - HCBBS Forum
36. Joint Learning*1023: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
37. Hangzhou Youwen Automation System Co., Ltd. – does that senior colleague know what’s going on? - HCBBS Forum
38. What issues should be considered when selecting valves? - HCBBS Forum
39. Recruiting safety officers and chemical operators - HCBBS Forum
40. How to calculate the water vapor diffusion coefficient - HCBBS Forum
41. Requirements for installing drain pipes in liquefied gas transmission pipelines - HCBBS Forum
42. How do newbies in refineries handle the processes? - HCBBS Forum
43. 5D in front and 3D behind for electromagnetic flowmeters? Which standard does it come from? - HCBBS Forum
44. Raise your hand if you can’t view the satellite map - HCBBS Forum
45. Those welds on the container need to undergo dehydrogenation treatment - HCBBS Forum
46. What are the causes of acid rain in our country? - HCBBS Forum
47. Does the Fisher locator not function below 40%? - HCBBS Forum
48. Regarding the incompatibility issues between different oil products - HCBBS Forum
49. What are the sources, classifications, and characteristics of chemical industry waste gases? - HCBBS Forum
50. What does a demulsifier tank for acidic water stripping look like? - HCBBS Forum
51. 【Daily Question】Question for Issue 20151026 - HCBBS Forum
52. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 199 - HCBBS Forum
53. Advantages of high-temperature and high-pressure ball valves - HCBBS Forum
54. What causes the increase in tower wall temperature? - HCBBS Forum
55. Briefly describe the installation precautions for liquid drop plates in tower equipment? - HCBBS Forum
56. Comprehensive energy consumption per ton of methanol: 1.58 tons of standard coal - HCBBS Forum
57. Central control system - HCBBS Forum
58. Deodorization issue in acidic water tanks - HCBBS Forum
59. What does a semi-fixed on-site fire extinguishing steam quick connector look like? - HCBBS Forum
60. Could a decline in oil and gas wells in the United States lead to a significant increase in the cost of producing methanol from natural gas? - HCBBS Forum
61. Can Aspen simulate gas mixing? - HCBBS Forum
62. During normal production! Are the inlet flow and outlet flow of the cyclic hydrogen compressor the same? The total amount of hydrogen should still be increased - HCBBS Forum
63. Sign-in record post from October 21, 2015 - HCBBS Forum
64. Instrument budget estimate - HCBBS Forum
65. Profits from downstream products of propylene - HCBBS Forum
66. Sign-in record post from October 23, 2015 - HCBBS Forum
67. Does luck that month have any effect? - HCBBS Forum
68. Is the pressure difference between the upper and lower parts of the rotor in a rotameter determined by the pressure of the fluid? - HCBBS Forum
69. 【Petroleum Industry Jobs】Summary Post on LPG Storage and Transportation - HCBBS Forum
70. How to face loneliness - HCBBS Forum
71. The relationship between ball valves and water hammer - HCBBS Forum
72. Do alloy steel pipes need anti-corrosion treatment? - HCBBS Forum
73. Raw material defects - HCBBS Forum
74. Japanese container standards regarding welding - HCBBS Forum
75. How to determine the slurry flow rate of the circulating pump in wet flue gas desulfurization - HCBBS Forum
76. What are the functions of safety education? - HCBBS Forum
77. The declaration starts with an invalid keyword or contains an invalid variable name.... - HCBBS Forum
78. Selection of heat exchanger materials and manufacturers - HCBBS Forum
79. How to determine that a self-made pressure vessel does not comply with **specification standards? - HCBBS Forum
80. Automatic water cut-off device - HCBBS Forum
81. What is the typical length of the straight sections in compressed air pipelines, and are there any standards? - HCBBS Forum
82. Natural gas hydrogen production processes and technologies - HCBBS Forum
83. Questions regarding registration for Certified Equipment Engineers - HCBBS Forum
84. Siemens PLC analog input - HCBBS Forum
85. How should the local stress on a conical head caused by a supported support be calculated? - HCBBS Forum
86. Steam generator - HCBBS Forum
87. On one side is “on the road”, on the other side is “hometown”” - HCBBS Forum
88. What are the requirements for water quality when using biochemical methods to treat wastewater? - HCBBS Forum
89. Measurement of impure gases - HCBBS Forum
90. 【Cracking Question Bank】What is the purpose of using finned tubes in the convection section of a cracking furnace? - HCBBS Forum
91. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 202 - HCBBS Forum
92. Let’s work on questions 09-20 from the 2015 First-Class Constructor Examination: multiple-choice questions 36-37 on laws and regulations - HCBBS Forum
93. Outlook for the trend of alkylated oils - HCBBS Forum
94. What are the latest energy-saving and emission-reduction measures for vapor separation units, MTBE plants, and alkylation units? - HCBBS Forum
95. Design and Construction Plan for Flocculation Tanks in Water Plant Water Supply and Drainage Systems - HCBBS Forum
96. 【Petrochemical Zone】Recent Updates on Jobs (Reply +10) - HCBBS Forum
97. I don’t want to do design work anymore; I’m hoping everyone can give me some advice. - HCBBS Forum
98. 【Daily Question】Question from Issue 20151022 - HCBBS Forum
99. 【Daily Question】Question 24: Test question from issue 20151021 (Repeat +2)； For the other +3) - HCBBS Forum
100. Regarding the piping material for the bottom reduction pump - HCBBS Forum