English — Forum #723 (Page 380/642)

1. 【Joint Study*】【HVAC Version 20160114】 - HCBBS Forum
2. Need help? Total cost of a 90t/h boiler with a 90MW steam turbine - HCBBS Forum
3. Back for the first installment: Dapanji~ (Original) - HCBBS Forum
4. Material of the instrument control valve - HCBBS Forum
5. Selection of micro-flow pulse-free pumps - HCBBS Forum
6. 【Serial】Design Story 61 – Dining - HCBBS Forum
7. Reputable sources say that this year, the registration exam for surveying and design professionals will adopt a closed-book, rolling-exam format! - HCBBS Forum
8. Dear engineers, I am urgently in need of the process operation procedures and regulations for the KDONAr—15000/15000/520 type air separation equipment. - HCBBS Forum
9. 【Daily Topic】【Civil Engineering Version 20160122】 - HCBBS Forum
10. Can fluorinated-lined ball valves be used in conditions of 500 Pa? - HCBBS Forum
11. What kind of flange is a CR flange? - HCBBS Forum
12. What are the respective features of cold dryers and suction dryers? - HCBBS Forum
13. 【Daily Question No. 96】January 13, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
14. Dear Haiyou, who can tell me what risks arise from larger equipment in terms of manufacturing, installation, and operation? - HCBBS Forum
15. Talk about how your project underwent trial operation: from the completion of the machinery to the pre-trial operation - HCBBS Forum
16. Publication of professional title papers - HCBBS Forum
17. Methanol Weekly Topic: What to do if the DCS crashes suddenly during methanol operation? 2016.01.17---01.23 - HCBBS Forum
18. Extensive rain and snow in the south; snow has finally fallen in Wuhan - HCBBS Forum
19. 【Daily Question No. 72】January 22, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
20. What exactly is my problem? - HCBBS Forum
21. Urgent, it’s a material issue - HCBBS Forum
22. Safety accident at Shanghai Zhizhuo Complete Machinery Co., Ltd - HCBBS Forum
23. What does “Downscale burnout” mean? - HCBBS Forum
24. Does anyone have any good learning websites, such as Zhihu, CSDN, GitHub, etc.? Let’s share them - HCBBS Forum
25. 【Daily Topic】【Engineering Version 20160114】 - HCBBS Forum
26. I have been working in a chemical plant for 2 years; what certificates can I take? - HCBBS Forum
27. 【Daily Question】1.23 True or False: In a solvent regeneration unit, the higher the pressure in the rich liquid flash tank, the better the effect of flashing off gaseous hydrocarbons - HCBBS Forum
28. How can I convert a PID into a DCS logic diagram? - HCBBS Forum
29. Haichuan’s “Season of Gratitude” – A Teacher, A Friend, A Brother【Safety & Environment Section 004】 - HCBBS Forum
30. 【Daily Question】1.15 Short-answer question: Causes of changes in the low liquid level in the initial distillation tower - HCBBS Forum
31. I have just started working, and I haven’t been able to understand the concept of the resonance frequency of centrifugal compressors. Could some of you experienced colleagues help me out? - HCBBS Forum
32. Regarding issues with photoelectric encoder signals - HCBBS Forum
33. Haichuan Public Welfare Lottery Issue 1, 2016-1-20 - HCBBS Forum
34. 【Daily Question】1.22 Quinoline insolubles in hydrogenation (Reply with +1 wealth automatically) - HCBBS Forum
35. Composite flexible graphite wave-tooth metal plate gasket - HCBBS Forum
36. Chemical degreasing cleaning of oxygen pipelines - HCBBS Forum
37. What are the solutions for crystallization in the brine pump and inlet pipes? - HCBBS Forum
38. Problems in China’s burner industry - HCBBS Forum
39. Could the experts provide a detailed explanation of the impact of the degree of catalytic cracking reaction on the product distribution and quality? - HCBBS Forum
40. Job search for pressure vessel inspection in Beijing, 8 years of experience - HCBBS Forum
41. Regarding silicon core grinding cones - HCBBS Forum
42. 20160118 One question per day - HCBBS Forum
43. Drawing of single-line diagrams for pressure pipelines - HCBBS Forum
44. Issues with the angle of the exhaust furnace burner - HCBBS Forum
45. The remote signal from the magnetic flap level gauge in the DCS system is unstable - HCBBS Forum
46. 2015 Annual Review and Outlook on Coal-to-Synthetic Natural Gas (SNG) in China - HCBBS Forum
47. 【Daily Question】Chemical Engineering Principles 297: Glass Electrode (January 17) - HCBBS Forum
48. How can a smoke extractor remove scale online? - HCBBS Forum
49. 【Daily Question】1.13 Multiple-choice question: The most appropriate instrument for accurately measuring a certain volume of liquid is ( ) (reinforced tube... - HCBBS Forum
50. Hydrogen compressor check valve - HCBBS Forum
51. It’s that time of year again for the class reunion - HCBBS Forum
52. Are there any experts who have information on the design of hydraulic lifting platforms? - HCBBS Forum
53. Manual control valve (for flow control) - HCBBS Forum
54. Doctoral experiment - HCBBS Forum
55. 20160122 One question per day - HCBBS Forum
56. Beijing foreign companies are recruiting process and construction engineers - HCBBS Forum
57. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 425 - HCBBS Forum
58. What does “no bag shape” mean? - HCBBS Forum
59. Cherish every step of the way—your position - HCBBS Forum
60. Rational use of liquefied petroleum gas - HCBBS Forum
61. Is a methanol mixture at a pressure of 0.19 MPa and a temperature of 45°C in a solid or liquid state? - HCBBS Forum
62. 【Serial】Design Story 60 – Hitchhiking - HCBBS Forum
63. Urgent! Causes and solutions for radial vibration of the bearing at the compressor drive end - HCBBS Forum
64. For Modbus communication, with the sender using Tcp/IP and the receiver using the RTU protocol, is it possible to achieve this using a converter? - HCBBS Forum
65. Recommended standards and mandatory standards - HCBBS Forum
66. How are the magnetic balls in magnetostrictive level gauges made? - HCBBS Forum
67. 【Daily Question No. 103】January 22, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
68. Remember the four digits “2016” – you’ll never lack **health** throughout the whole year! - HCBBS Forum
69. 【Daily Question】2016.1.23 Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
70. Sincere sharing on the selection analysis of DN300 oxygen flow meters - HCBBS Forum
71. Night shift - HCBBS Forum
72. 【Joint Study*】【Civil Engineering Version 20160114】 - HCBBS Forum
73. Ammonia tank level and pressure - HCBBS Forum
74. 【Daily Question】2016 1.15 Multiple-choice question Whether to install a circulating hydrogen desulfurization facility in the hydrogenation unit is a matter of consideration. - HCBBS Forum
75. How to add protective sleeves for large-diameter buried pipes - HCBBS Forum
76. What are the shortcomings of reactive distillation technology? Reaction distillation is very popular nowadays - HCBBS Forum
77. Multiple inlet and outlet ports on the shell side of the heat exchanger - HCBBS Forum
78. Relationship between aeration rate and temperature in the activated sludge process - HCBBS Forum
79. It’s been a long time since I’ve seen everyone - HCBBS Forum
80. Piping filter CAD diagram - HCBBS Forum
81. Static equipment design over 15 years - HCBBS Forum
82. 7-**Fused furan - HCBBS Forum
83. Where should I go - HCBBS Forum
84. Sign-in record post from January 15, 2016 - HCBBS Forum
85. How to treat fluorescent wastewater? - HCBBS Forum
86. Seeking experience in extracting and separating impurity cadmium from zinc sulfate in production - HCBBS Forum
87. Which liquid membrane separation technology can be used to treat phenol-containing wastewater? What is the separation mechanism? - HCBBS Forum
88. Analysis of the different roles played by drums and idlers in conveyors - HCBBS Forum
89. Alignment process of steam turbine and centrifugal compressor couplings - HCBBS Forum
90. Why is there an upper limit on the dimensions of high-alloy forgings? - HCBBS Forum
91. How many types of steel plates are there for pressure vessels? - HCBBS Forum
92. Occupational Health Daily Question 1.23: Participate for a prize; 3 correct answers and an additional 5 prizes will be given - HCBBS Forum
93. How to deal with the sludge in the tank? - HCBBS Forum
94. (Urgent) 7.5KW motor trips due to excessive current - HCBBS Forum
95. How to choose a ventilation scheme for the compressor room - HCBBS Forum
96. 【Daily Question】2016.1.22 Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
97. Appendix to the Code for Fire Protection Design of Buildings - HCBBS Forum
98. What are the methods for connecting a series mechanical seal to a flushing pipeline, and how can leaks at the connection point be prevented? - HCBBS Forum
99. 20160118 One question per day - HCBBS Forum
100. Haichuan Thanksgiving Season--My Years at RICH - HCBBS Forum