English — Forum #723 (Page 217/642)

1. 【Daily Question No. 156】June 27, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
2. Help: How to translate “work completed, materials cleared, site cleaned”? Experts, please help! - HCBBS Forum
3. The carbon steel heat exchanger has been replaced with stainless steel - HCBBS Forum
4. Is it better for a fan to push or pull air? ! - HCBBS Forum
5. Which manufacturer makes the best star valves? - HCBBS Forum
6. Set up a local area network - HCBBS Forum
7. Impurities in used ion exchange membranes - HCBBS Forum
8. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 28th - HCBBS Forum
9. Regarding volatile matter - HCBBS Forum
10. Why is it said that \"glass-lined reaction vessels are suitable for\"” - HCBBS Forum
11. 【Daily Question No. 153】June 22, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
12. Why does the new hydrogen compressor require primary nitrogen isolation and secondary nitrogen isolation? Why is the pressure higher in the primary stage? - HCBBS Forum
13. How to reduce noise in a compressed air plant? - HCBBS Forum
14. What is the standard for installing air purification equipment in Iraq? - HCBBS Forum
15. 【Q&A Question 071】June 30, 2016 - HCBBS Forum
16. Does the thermistor PT100 need to be grounded? - HCBBS Forum
17. Pressure vessel steel plates and water pressure - HCBBS Forum
18. Seeking advice from PVDF manufacturers - HCBBS Forum
19. Regarding the water solubility of methanol - HCBBS Forum
20. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 316 [ - HCBBS Forum
21. 【Weekly Topic】【 Quality Version 20160628】 - HCBBS Forum
22. 【Daily Question】Principles of Chemical Engineering: Electrochemical Corrosion (July 1) - HCBBS Forum
23. 【Weekly Topic】【Quality Version 20160630】 - HCBBS Forum
24. Instrument conditions: Design temperature and design pressure are determined. - HCBBS Forum
25. How does the mechanical seal flushing oil and isolation fluid flow? - HCBBS Forum
26. What are the key components of a centrifugal compressor? ? - HCBBS Forum
27. 【Weekly Topic】【HVAC Version 20160621】 - HCBBS Forum
28. 【Safety Comic Materials】Ten Things Not to Lift During Lifting Operations - HCBBS Forum
29. 【Daily Topic】【Civil Engineering Version 20160622】 - HCBBS Forum
30. Ordinary bolt - HCBBS Forum
31. Why is the design pressure of the atmospheric tower 0.35 MPa? - HCBBS Forum
32. Regarding the question of where pumps are used in the production process of ethylene plants or in natural gas processing - HCBBS Forum
33. Video: AMETank demonstration video - HCBBS Forum
34. The all-new K-Brand rice bucket is here! Come to KFC to go out for a meal! - HCBBS Forum
35. Issues with SIS manual interlock settings? - HCBBS Forum
36. A 194-8/8M marking problem - HCBBS Forum
37. Sign-in record post dated June 24, 2016 - HCBBS Forum
38. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 21 - HCBBS Forum
39. What interlocks are available for the special valves in the coke tower of a coking unit? - HCBBS Forum
40. Accident pool in the liquid chlorine tank storage area - HCBBS Forum
41. Environmental Protection Tip of the Day – June 27: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
42. How to prevent SCC cracking in liquid hydrocarbon spheres - HCBBS Forum
43. I’m here to gain some water experience - HCBBS Forum
44. Are there any friends who work with silicone oils?? - HCBBS Forum
45. Environmental Protection Tip of the Day 6.21: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
46. PFD of valve instruments - HCBBS Forum
47. ECS700 molecular sieve sequential control logic - HCBBS Forum
48. What methods are generally used to control chemical industry dust? - HCBBS Forum
49. Are there any manufacturers in China that produce PET with a CHDM content of less than 10%? - HCBBS Forum
50. Hydrogen sulfide alarm - HCBBS Forum
51. In variable frequency control, is redundancy required for the DCS output card? - HCBBS Forum
52. 【Daily Safety Reminder】Let’s set off on 6.24. - HCBBS Forum
53. Can a QQ group be created for the upgraded hydrogen version? - HCBBS Forum
54. Eligibility requirements for registering as a chemical engineering engineer - HCBBS Forum
55. The catalytic gasoline contains black powdery impurities - HCBBS Forum
56. The secret behind the strong sales of Jiangsu Liquiquan Pump Valve’s corrosion-resistant chemical pumps - HCBBS Forum
57. Close-up of MTO 1 - HCBBS Forum
58. Double-plate gate valve - HCBBS Forum
59. 【Weekly Topic】【Storage & Transportation Version 20160620】 - HCBBS Forum
60. Consult process - HCBBS Forum
61. What are the harms caused by moisture in compressed air to production? - HCBBS Forum
62. Hydrogenation Technology 1 (Two-Loop Vapor Phase Hydrogenation) - HCBBS Forum
63. The 4 most important theoretical foundations of safety science - HCBBS Forum
64. Material selection under high temperature and pressure, as well as corrosion by chloride and copper ions - HCBBS Forum
65. Standard gas content - HCBBS Forum
66. -Precautions for long-distance transportation of chilled water at 15℃ - HCBBS Forum
67. Discussion on the process of using a venturi tube for vacuum extraction to remove activated carbon - HCBBS Forum
68. DEMISTER PAD YORK MESH refers to the York mesh demister? I couldn’t find the York brand - HCBBS Forum
69. Should the Wei** vehicle loading and unloading station take into account the leakage volume in the event of an accident involving tank trucks? - HCBBS Forum
70. High pump outlet pressure - HCBBS Forum
71. Problems with boiler denitrification - HCBBS Forum
72. May I ask that for the pressure vessel audit certificate exam, one needs to have more than three years of experience in verification work? - HCBBS Forum
73. Recruitment - HCBBS Forum
74. There are increasing reports of new domestic downstream projects for producing ethanol from acetic acid going into operation - HCBBS Forum
75. Thoughts inspired by “Frogs in Warm Water” - HCBBS Forum
76. Registered Chemical Engineer vs. First-Class Constructor - HCBBS Forum
77. Applications and selection of thermal gas mass flow meters - HCBBS Forum
78. Is it necessary to install differential pressure gauges before and after the basket filter in the pipeline? - HCBBS Forum
79. Please call Jin Xin from Hulunbuir and ask him to introduce the situation regarding the commissioning of Shell’s gasification plant - HCBBS Forum
80. Reasons for the green color of hydrogenated refined diesel - HCBBS Forum
81. Are there any regulations regarding the number of times the pump is started and stopped, or the duration of operation? - HCBBS Forum
82. Natural discharging - HCBBS Forum
83. Process head for low-temperature carbon dioxide storage tanks - HCBBS Forum
84. Completion documents for pressure vessel modification - HCBBS Forum
85. Must an inverter be used in conjunction with an inverter-driven motor? - HCBBS Forum
86. Why does the exhaust CO2 have an unpleasant odor under low load conditions, and what measures can be taken to reduce this odor? - HCBBS Forum
87. Doubts about valve pressure - HCBBS Forum
88. Occupational Health Daily Question 6.27: Participate for a prize; 3 answers correct and you’ll get another prize - HCBBS Forum
89. For containers holding 85% phosphoric acid, is stainless steel or fiberglass-reinforced plastic a better choice? - HCBBS Forum
90. Basic knowledge on preventing electric shock and emergency rescue in families and businesses during summer - HCBBS Forum
91. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 26 - HCBBS Forum
92. The material is 12Cr1MoVG; two modifications on the cover surface and one modification – does this meet the PQR requirements? - HCBBS Forum
93. Could an expert please explain the relationship between the position of the back support pins and the rotation direction of the rotor? - HCBBS Forum
94. Regarding the alarm self-check, has anyone purchased standard gas? - HCBBS Forum
95. 【Daily Judgment NO.45】June 24, 2016 - HCBBS Forum
96. Discussion on why a mass flow meter should be used in the loading system - HCBBS Forum
97. To summarize the current situation of Haichuan members in one sentence – does it hit home for you? ? ? - HCBBS Forum
98. Qualifications of past candidates undergoing reevaluation - HCBBS Forum
99. Ammonia solution preparation - HCBBS Forum
100. Issues related to load during wastewater treatment - HCBBS Forum