English — Forum #723 (Page 175/642)

1. Questions about the “regular inspection” of high-temperature and high-pressure pipes in power plants? - HCBBS Forum
2. Is sludge present in a normal aerobic tank during normal operation? If so, what is the normal concentration of sludge? - HCBBS Forum
3. Benzene tank floating disk - HCBBS Forum
4. Oxygen color issue - HCBBS Forum
5. PPH specialty material for chemical pipelines - HCBBS Forum
6. Which domestic companies currently have air separation units with a capacity of over 80,000 Nm3/h? - HCBBS Forum
7. How should chemical process centrifugal pump impellers be classified? - HCBBS Forum
8. Annotation real questions 2013 knowledge morning questions 32 - HCBBS Forum
9. Question 21 from the afternoon session of the 2012 Chemical Engineering Professional Examination real exam questions - HCBBS Forum
10. Hygiene assessment standards for pumps in petrochemical processes - HCBBS Forum
11. Control system of the compressor - HCBBS Forum
12. 【Daily Question】In-depth Processing 20160816 Short Answer Question: Why is it necessary to regularly turn the standby pump manually? - HCBBS Forum
13. About valves - HCBBS Forum
14. What is the typical concentration of the alkaline solution used in ion membrane production? - HCBBS Forum
15. Ask everyone if they have any recommended platforms or software that can make petrochemical equipment work more efficiently - HCBBS Forum
16. Standards for medium-grained urea - HCBBS Forum
17. Gas phase pipe elbow opening - HCBBS Forum
18. 【Weekly Topic】【Quality Version 20160812】 - HCBBS Forum
19. 【Listing】Latest Job Openings at Beijing Wanbonda Environmental Protection Technology Co., Ltd - HCBBS Forum
20. High-pressure steam pipeline - HCBBS Forum
21. 【Daily Judgment NO.69】August 16, 2016 - HCBBS Forum
22. Daily Question 2016.8.22 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
23. The molten salt pump won’t start! - HCBBS Forum
24. Look for the GB/T5782-2016 standard - HCBBS Forum
25. Regarding instrument calibration - HCBBS Forum
26. Does the instrument’s output signal increase as pressure or temperature rises? - HCBBS Forum
27. Daily Safety Technology Quiz (Single-choice Question) (2016.8.17) - HCBBS Forum
28. 【Daily Question】In-depth processing 20160822: Glossary explanation – Desorption. . . . . - HCBBS Forum
29. How to calculate the solvent content in the vent gas from the solvent storage tank - HCBBS Forum
30. How is the average service life of bearings and seals in the entire unit calculated? - HCBBS Forum
31. 【Daily Topic】【Electrical Edition 20160816】 - HCBBS Forum
32. I have a question: Can a PTFE level gauge be used for sulfuric acid tanks? - HCBBS Forum
33. Accuracy of GC detection - HCBBS Forum
34. Sign-in record post from August 18, 2016 - HCBBS Forum
35. The hazards of moisture and oil in compressed air to production equipment - HCBBS Forum
36. Regarding the three saddle setup - HCBBS Forum
37. How should the friction coefficient and drag coefficient be understood in the question? - HCBBS Forum
38. I would like to ask how to detect the odor of chemical products? - HCBBS Forum
39. 【Daily Topic】【Electrical Edition 20160824】 - HCBBS Forum
40. In ASME B16.9, does the wall thickness refer to the end groove area or throughout the entire thickness? - HCBBS Forum
41. 【Daily Judgment NO.67】August 12, 2016 - HCBBS Forum
42. Can nitric acid be transported using a submersible pump? - HCBBS Forum
43. CSCC 719 Institute recruiting in Wuhan and Shenzhen - HCBBS Forum
44. The issue of selecting an 800LB pressure rating for the design of small-diameter valves - HCBBS Forum
45. Calculation of the diameter of a semi-dry desulfurization tower? - HCBBS Forum
46. 【Daily Topic】【HVAC Version 20160813】 - HCBBS Forum
47. Lanshi Heavy Equipment successfully developed a low-temperature methanol wash absorption tower unit - HCBBS Forum
48. E+H radar level gauge - HCBBS Forum
49. By cutting out the high-temperature allowance, be careful of chilling the employees’ hearts - HCBBS Forum
50. Ethanol from coal: The sixth path for modern coal chemical industry? - HCBBS Forum
51. 【Daily Topic】【Electrical Edition 20160813】 - HCBBS Forum
52. Regarding the outsourcing of instrument maintenance - HCBBS Forum
53. Does no one care about that major accident in Hubei? - HCBBS Forum
54. What are the factors that affect the cooling efficiency of cooling towers? - HCBBS Forum
55. 【Weekly Topic】【Storage & Transportation Version 20160818】 - HCBBS Forum
56. Catalytic Coking/Reforming/Blending – Daily Question, August 13, 2016: What is the difference between crude gasoline and stabilized gasoline? - HCBBS Forum
57. 【Listing】Beijing Nengneng Technology is recruiting talents in R&D, mechanical design, etc - HCBBS Forum
58. Salary was paid, but it’s less again~~~~ - HCBBS Forum
59. Gasifier burner - HCBBS Forum
60. 【Daily Question】In-depth Processing 20160821: Definition of a term – Absorption. . . . . . - HCBBS Forum
61. Are there any experts who have carried out chlorination reactions on boron chloride? - HCBBS Forum
62. Vinyl chloride monomer PH - HCBBS Forum
63. Hydrogen utilization - HCBBS Forum
64. Publication of professional title papers - HCBBS Forum
65. Usage of single-loop PID in Zhejiang University Zhongkong BSCX module? - HCBBS Forum
66. The issue of anti-static properties in non-metallic air ducts - HCBBS Forum
67. Comprehensive utilization of waste liquid from acetylene cleaning and neutralization towers - HCBBS Forum
68. Problems with mechanical seals - HCBBS Forum
69. Theory: It is immoral for the elites to belittle Wang Baoqiang on the basis of his background - HCBBS Forum
70. How to calculate the level measurement for a double-flange transmitter? Thank you - HCBBS Forum
71. Liquid-phase material for introduction - HCBBS Forum
72. How many tons of methanol can be produced from one ton of methanol catalyst? - HCBBS Forum
73. How is the internal wiring of the on/off buttons on the actuator column of the electric valve wired? Is it connected to the terminals of the electric actuator or directly... - HCBBS Forum
74. What is an appropriate temperature control for the top of the solvent regeneration tower? - HCBBS Forum
75. Process flow diagrams with control points: some issues regarding auxiliary pipelines - HCBBS Forum
76. Additional measures for energy saving and consumption reduction in hydrogen production - HCBBS Forum
77. 【Job Opening】Weihai Zhengda Environmental Protection is seeking personnel for desulfurization processes and project work - HCBBS Forum
78. I’m looking for a small air flotation unit for testing purposes. Do you have any good suggestions or manufacturers to recommend? - HCBBS Forum
79. Are there any good methods to remove phosphites in amounts of several thousand? - HCBBS Forum
80. There are only 10 days left; I haven’t re-registered as a chemical engineer yet. Can I still pass the exam if I work hard now? - HCBBS Forum
81. Process flow diagram for dry gas-based ethylbenzene/styrene production - HCBBS Forum
82. Inspection equipment - HCBBS Forum
83. empty - HCBBS Forum
84. Please discuss the advantages and disadvantages of internal orifice plates and rotameters - HCBBS Forum
85. [Q&A Question 124] 2016.08.22 - HCBBS Forum
86. Gas is directly condensed into a solid - HCBBS Forum
87. 【Daily Topic】【HVAC Version 20160820】 - HCBBS Forum
88. Issues with selecting the material for flow meters? - HCBBS Forum
89. How should I understand that sentence in the function diagram? - HCBBS Forum
90. Accident case analysis: one question per Monday (16). +3 wealth for participation, plus an additional 1–10 wealth for correct answers - HCBBS Forum
91. Sampling from Pool O to measure SV30 yielded a value of 50； Another 30 minutes, will the sludge float? Can everyone analyze the reason? - HCBBS Forum
92. Who has course materials or breakdown animations for steam generator sets? Please share them. - HCBBS Forum
93. Seek standard - HCBBS Forum
94. Oxygen-enriched operation technology for zinc oxide volatilization kilns - HCBBS Forum
95. Seeking advice from industry peers in the field of pressure vessels and heat exchangers - HCBBS Forum
96. 【Daily Topic】【HVAC Edition 20160819】 - HCBBS Forum
97. Which CAD is the best for oilfield surface construction, oil and gas gathering and transportation, storage and delivery, as well as pipeline design? - HCBBS Forum
98. Treatment of LNG BOG - HCBBS Forum
99. 【Weekly Topic】【Quality Version 20160822】 - HCBBS Forum
100. How many gold medals can Chinese track and field athletes win at the Rio Olympics? - HCBBS Forum