English — Forum #723 (Page 36/642)

1. With the final boost from Boss, I’m going to high school now!~ - HCBBS Forum
2. What are the standards for explosion-proof motors? Please go ahead and add more - HCBBS Forum
3. The relationship between the outlet pressure of the tower and the liquid level inside the tower, thank you - HCBBS Forum
4. Some questions regarding natural gas design - HCBBS Forum
5. What is the difference between instrument tray spans of 2m and 6m? - HCBBS Forum
6. Issues with equipment manufacturers assisting design institutes in drawing diagrams - HCBBS Forum
7. How should the corrosion margin for the inner cylinder of a jacketed vessel be determined? - HCBBS Forum
8. The potential of chain plate conveyors in the development of the filling and conveying industry - HCBBS Forum
9. Can the pentane vaporization and air mixing unit be installed adjacent to the storage tank? - HCBBS Forum
10. The WeChat sign-in feature is not working - HCBBS Forum
11. Test questions - HCBBS Forum
12. Treatment of chemical fiber wastewater by coagulation sedimentation and integrated oxidation ditch process - HCBBS Forum
13. [Daily Question] 20161221 Catalytic Cracking Fill-in-the-Blank: The catalyst-to-oil ratio refers to the ratio of ( ) to ( ). - HCBBS Forum
14. How to look up the allowable stress per GB3091 standard? - HCBBS Forum
15. 20 Must-Haves for Security Management | Ensure All Employees Remember Them - HCBBS Forum
16. Diesel hydrogenation simulation - HCBBS Forum
17. Questions about the convection section of hydrogen production converters? - HCBBS Forum
18. Oxygen generator filling - HCBBS Forum
19. Features and selection of various multi-stage pressure reduction control valves - HCBBS Forum
20. Why is there no Q345 material in GB5310 standard steel pipes? - HCBBS Forum
21. I need an expert to help solve the problem of no gas coming out when using the liquid chlorine method. - HCBBS Forum
22. It seems like there are few people here today - HCBBS Forum
23. What does the pipeline grade code 3B1A mean? - HCBBS Forum
24. Industrial boilers and fertilizers. - HCBBS Forum
25. Safety issues related to the use of negative pressure systems in tank areas to prevent uncontrolled emissions of waste gases - HCBBS Forum
26. On the application of FF fieldbus - HCBBS Forum
27. Pressure and flow range for treating exhaust gas using low-temperature plasma technology - HCBBS Forum
28. Centrifuge - HCBBS Forum
29. Please ask - HCBBS Forum
30. Reasons for excessive foam in the gear box of high-speed pumps - HCBBS Forum
31. cocoon - HCBBS Forum
32. Calculation issues for Q345B pipes in SW6 - HCBBS Forum
33. What is the difference between the annotation scale and the standard scale of viewports in a CAD layout? ? How to apply it? ? - HCBBS Forum
34. Note-taking and Translation Exam - HCBBS Forum
35. Calibration issues and solutions for control valves equipped with intelligent valve positioners - HCBBS Forum
36. What is the relationship between the vacuum level of a water jet pump and the length of the pipeline? - HCBBS Forum
37. Problems with elevator limiters - HCBBS Forum
38. How should weld joint diagrams of type AB be drawn for containers lined with rubber? - HCBBS Forum
39. What should be done in the case of intergranular corrosion in 304 steel at room temperature using 20% nitric acid? ? How should one choose the materials? - HCBBS Forum
40. It is said that the results for the first-level registered fire protection exam in Jiangsu have been released! ? Is that true? ? - HCBBS Forum
41. 【Daily Question】Chemical Engineering Principles 491: Anion Exchange Resins (December 25) - HCBBS Forum
42. Interview questions for pipeline stress analysts; anyone willing to help answer them? - HCBBS Forum
43. What is the fire separation distance required between Class A and Class B liquid storage tanks and offices, laboratories, and electrical distribution rooms? ? - HCBBS Forum
44. Has anyone carried out any modifications to remove dust from the double-seal self-dust-suppressing conveyors in coking plants? - HCBBS Forum
45. With Bogut gone, the Warriors’ defensive efficiency has actually improved. Is Bogut a defensive liability? - HCBBS Forum
46. **List of Professional Qualification Catalogs - HCBBS Forum
47. In Petrochemical Regulation 5.2.23, should Class B items be placed at the “edge of the facility” within the installation area? - HCBBS Forum
48. Under normal circumstances, the heat exchanger should be cleaned every few months - HCBBS Forum
49. Methods to prevent water pumps from freezing in winter - HCBBS Forum
50. What has changing salt brought to us? - HCBBS Forum
51. Leisure - HCBBS Forum
52. Flow meter selection - HCBBS Forum
53. [Practice **Question 2016.12.24] Participating earns 3–9 wealth rewards - HCBBS Forum
54. 7th consecutive 3s - HCBBS Forum
55. What is needed for testing gasoline and diesel in oil depots? - HCBBS Forum
56. On ammonia spray refrigeration technology - HCBBS Forum
57. Test questions - HCBBS Forum
58. U.S. methanol exports reached 1 million tons in October - HCBBS Forum
59. Project financing - HCBBS Forum
60. There is a significant difference between the EDR and HTRI calculation results - HCBBS Forum
61. Centrifugal carbon dioxide compressor - HCBBS Forum
62. Three-way fitting manufacturing process - HCBBS Forum
63. [Q&A Question 252] 2016.12.28 - HCBBS Forum
64. Newcomer in the chemical industry, major in process engineering; inter-disciplinary collaboration - HCBBS Forum
65. Can post-welding full stress-relief heat treatment replace the heat treatment after cold forming of the head? - HCBBS Forum
66. What is the function of the circulating hydrogen bypass? - HCBBS Forum
67. Another sequence of 3 consecutive numbers was generated - HCBBS Forum
68. Leakage issue with steam stop valves - HCBBS Forum
69. How to apply anti-corrosion coating to a pipe with a diameter of 100 mm and a length of 10 meters? - HCBBS Forum
70. Are you using personal protective equipment correctly? - HCBBS Forum
71. I would like to know how to create drawings using CAD layout. How can I do that? - HCBBS Forum
72. Let’s give flowers to each other; to participate in the flower wheel, you give me one flower and I’ll give you one in return~~ - HCBBS Forum
73. Heheh - HCBBS Forum
74. Reasons for sudden changes in generator power - HCBBS Forum
75. Why does diluted concentrated sulfuric acid have a pungent, foul smell? - HCBBS Forum
76. A sealed container contains ammonia water at a concentration of 25%. What is the pressure inside the container? - HCBBS Forum
77. Online non-methane total hydrocarbons and benzene series detector - HCBBS Forum
78. Process calculation of the flasher - HCBBS Forum
79. Approval for the project - HCBBS Forum
80. The 250,000-ton butyl octanol project in Anhui has successfully completed its commissioning trial! - HCBBS Forum
81. Problems with the clearance of the impeller ring in centrifugal pumps - HCBBS Forum
82. Another major breakthrough in targeted therapy - HCBBS Forum
83. Mr. Lao She’s Eight Methods for Teaching Adopted Children - HCBBS Forum
84. Have you encountered xenophobia? - HCBBS Forum
85. How to find the steam enthalpy of water at a vacuum of -0.098 MPa? - HCBBS Forum
86. thread - HCBBS Forum
87. Why does CAD keep showing many annotation scales? ? ? What is the annotation scale? How should it be handled? ? - HCBBS Forum
88. Circulating water concentration ratio - HCBBS Forum
89. Seeking advice on leveling a reciprocating compressor - HCBBS Forum
90. Placement of lubricating oil tanks in the compressor building - HCBBS Forum
91. The Rockets’ starting center in the interior game, Capela, is injured – will the Rockets’ streak of wins come to an end? - HCBBS Forum
92. List of accidents at or above a relatively major level in 2016 - HCBBS Forum
93. Corrosion inhibitor pump evacuation issue - HCBBS Forum
94. 【Daily Question】December 19, 2016 – Participate to earn +2 wealth； +3 to +10 wealth for correct answers - HCBBS Forum
95. 【Daily Question】Chemical Engineering Principles 483: Copper Pipe Corrosion (December 19) - HCBBS Forum
96. On the 21st attempt, 100 gold eggs were smashed, resulting in a loss of 60 points~ - HCBBS Forum
97. Searching for manufacturers of high-pressure synthesis towers - HCBBS Forum
98. Control valve - HCBBS Forum
99. How to remove zearalenone from the attachment? Thank you! - HCBBS Forum
100. What are the requirements for the medium in cavitation margin experiments? - HCBBS Forum