English — Forum #723 (Page 455/642)

1. “Haichuan Irrigation Co., Ltd. Convenience Store” – Heavy snowfall, is Haichuan quiet? ? ? - HCBBS Forum
2. Solutions to high-speed pump failures - HCBBS Forum
3. 【Chlorine compressor】What is the purpose of the two streams of nitrogen that enter it? - HCBBS Forum
4. Design issues of medium-pressure waste heat recoverers - HCBBS Forum
5. What is the procedure for leveling the cylinder of Hangzhou Steam Turbine? - HCBBS Forum
6. Are there devices such as vacuum breakers on the turbine air cooler? - HCBBS Forum
7. 【Daily Question】Question from Issue 20151113 - HCBBS Forum
8. Environmental Protection Daily Question 11.13: Participate for prizes; 3 correct answers and another 3 prizes will be given - HCBBS Forum
9. In what situations can pressure vessels be manufactured without inspection holes? - HCBBS Forum
10. How to translate du-bush? - HCBBS Forum
11. Strength calculation for turbulent positive-displacement machines - HCBBS Forum
12. Everyone, take question 64-2: multiple-choice questions 47-48 from the 2015 First-Class Constructor Examination in Project Management; there will be a reward for those who answer correctly - HCBBS Forum
13. 【Daily Question】Question from Issue 20151113 - HCBBS Forum
14. Let’s discuss the gasket issues in the lubrication system - HCBBS Forum
15. 【Daily Question】November 15, 2015 – Participate for +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
16. 【Daily Question】Question from 20151106 - HCBBS Forum
17. Nothing can be accomplished without rules – A brief discussion on chemical safety - HCBBS Forum
18. What does the zero-meter temperature of the catalyst layer refer to? - HCBBS Forum
19. Summary of posts related to environmental protection systems - HCBBS Forum
20. (Basic principles) What are the main equipment components of the combustion system in a circulating fluidized bed boiler? - HCBBS Forum
21. Which of those we use are reaction vessels? Please give examples - HCBBS Forum
22. What is a standard throttling device? - HCBBS Forum
23. Hydrofining reactor shutdown - HCBBS Forum
24. What level should pressure vessel design reach after 3.5 years? - HCBBS Forum
25. Do mass flow meters have excessive errors at low flow rates? - HCBBS Forum
26. Looking for ABB PCM600 software - HCBBS Forum
27. I was wondering if anyone here has a compilation of standards for various types of valves? - HCBBS Forum
28. Solution required for hydraulic and airtightness testing of threaded lock rings - HCBBS Forum
29. Flushing procedure on the pump data sheet - HCBBS Forum
30. alkali - HCBBS Forum
31. Under the same conditions, which one, isobutylene or n-butylene, will be hydrogenated first? - HCBBS Forum
32. How is the friction loss calculated when water flows from one tank to another through holes? - HCBBS Forum
33. How to dispose of waste alkaline solution? - HCBBS Forum
34. What are the requirements for nitrogen oxide emissions in China’s pollution control emission standards? - HCBBS Forum
35. Principles of Chemical Engineering in Daily Life – Scallions Stir-Fried with Vinegar, A Fragrance That Spreads for Miles - HCBBS Forum
36. Seek capable manufacturers for cooperation - HCBBS Forum
37. Fractionation tower re-refining tank - HCBBS Forum
38. 【Daily Question】November 10, 2015: Type E welds (2 wealth points for replying, plus 3–8 additional wealth points if the answer is correct) - HCBBS Forum
39. The flow reading on the Rosemount electromagnetic flowmeter is zero – what should I do? - HCBBS Forum
40. A silly question – why isn’t the resistance value of a thermal resistor an integer? - HCBBS Forum
41. Issues regarding pilot piles in survey and design work - HCBBS Forum
42. Methanol Weekly Topic: What are the advantages and disadvantages of the various methanol production technologies in use domestically? Attached materials for download 2015.11.09--... - HCBBS Forum
43. What is the security level of the ITCC system? - HCBBS Forum
44. November 16, Question 91 on Boiler Foundations: (A certain score will be given to the top 40) - HCBBS Forum
45. 【Daily Question】11.12 True or False: Under normal circumstances, sulfur has a temporary poisoning effect on catalysts, depending on the feed oil. - HCBBS Forum
46. What measures should be taken if the discharge from the reactor is sluggish? - HCBBS Forum
47. One question per day (1107) - HCBBS Forum
48. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 356 - HCBBS Forum
49. 【Daily Question】Question from 20151112 - HCBBS Forum
50. If the reforming cycle hydrogen compressor stops suddenly, and the standby unit cannot be activated for some reason as well. What should be done when the hydrogen circulation is stopped? - HCBBS Forum
51. How should the air volume of a Venturi scrubber be matched to the required amount of water for scrubbing? - HCBBS Forum
52. Will the high sulfate content in the gas generation cycle water cause corrosion at the bottom of the fixed-bed gas generation furnace? - HCBBS Forum
53. How to select and design surge protectors - HCBBS Forum
54. 【Daily Question No. 53】November 12, 2015: +2 wealth for participation, plus another +3 to +8 wealth for correct answers - HCBBS Forum
55. What level of typhoons can the tower withstand? - HCBBS Forum
56. How is the thickness of the flange gasket selected? - HCBBS Forum
57. 【Popular Science Tips on Polymers and Materials】--028 Materials for Household Plastic Wrap + People Watching the Sea - HCBBS Forum
58. How should sudden increases in water content in the gas caused by moisture in the reformation feed be handled? (Continuous reforming unit) - HCBBS Forum
59. Factors affecting melting point - HCBBS Forum
60. Help, experts! Some letters in CAD07 don’t display on the computer, but they can be printed - HCBBS Forum
61. How to inspect spring supports? - HCBBS Forum
62. Control and significance of various parameters in the ash water from gasification furnaces - HCBBS Forum
63. MTO Plant Equipment Position - HCBBS Forum
64. aspen enthalpy deficit - HCBBS Forum
65. 【Daily Question】November 11, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
66. What are the main types of oxidation absorption methods? - HCBBS Forum
67. Can women be safety supervisors? - HCBBS Forum
68. What causes an excessive pressure difference in the cylinders of a reciprocating compressor? - HCBBS Forum
69. 20151107 Daily Question - HCBBS Forum
70. I regret it; I didn’t take the civil service exam before - HCBBS Forum
71. 【Popular Science Tips on Polymers and Materials】--027 White Foam Board Material + People Watching the Sea - HCBBS Forum
72. What are the specific methods for removing iron? - HCBBS Forum
73. What are the requirements for the location of inspection holes? - HCBBS Forum
74. Beijing foreign companies hiring engineers - HCBBS Forum
75. If you are in a company and you do work that no one else there does, and also work that you yourself wouldn’t do, what should you do? - HCBBS Forum
76. I would like to ask something - HCBBS Forum
77. How are the dimensions of the pole center plate, pole side plates, and pole edge plates determined in the design of spherical tanks? - HCBBS Forum
78. May I ask which senior member has the official installation package for Vheater, or how can it be purchased? Thank you! - HCBBS Forum
79. Heavy metal issues in atmospheric and vacuum distillation feedstocks - HCBBS Forum
80. Article 6 of Document No. 68 issued by the State Administration of Work Safety: Requirements regarding single tanks and single dikes for flammable liquids - HCBBS Forum
81. On the dehydrogenation of isobutane to isobutylene - HCBBS Forum
82. Sinocem Synthetic Oil signs a letter of intent for 500,000 tons of coal-to-diesel production with Russia - HCBBS Forum
83. 【Daily Question】November 9 – Sealed flushing plan PLAN53 (First 80 participants + 2 additional points for those who get it right; 3–8 wealth points extra) - HCBBS Forum
84. Operation status of coal powder gasification unit - HCBBS Forum
85. What should be considered when designing an open-loop circulating cooling water system? - HCBBS Forum
86. Is it appropriate to install sockets on electrical switch boxes? - HCBBS Forum
87. How to ensure water is completely drained for winter anti-freezing protection - HCBBS Forum
88. Environmental Protection Daily Question 11.6: Participate for a prize; 3 correct answers earn an additional prize of 2 - HCBBS Forum
89. Everyone, take question 66-2: multiple-choice questions 51-52 from the 2015 First-Class Constructor Examination in Project Management; there will be a reward for those who answer correctly - HCBBS Forum
90. How should a twin-screw pump deal with this situation? - HCBBS Forum
91. Is it necessary to add sodium hydroxide during the methanol distillation process? Can potassium hydroxide be used instead? - HCBBS Forum
92. Two phases of the extraction column (continuous phase and dispersed phase) - HCBBS Forum
93. Problems with E+H radar level gauges - HCBBS Forum
94. 【Daily Question】 November 11th: What is it that transmits torque and serves to open and close the gate? ? ? - HCBBS Forum
95. Steps of the reaction between water and hydrogen, oxygen, sodium hydroxide, and aluminum - HCBBS Forum
96. Who will supply power to the pump’s signal? - HCBBS Forum
97. Denitration technology - HCBBS Forum
98. What are the temperature requirements for using resin? - HCBBS Forum
99. PM2.5 levels in Shenyang reached as high as 1,400; the Environmental Protection Bureau’s official website went down - HCBBS Forum
100. The causes of the dry plate phenomenon - HCBBS Forum