English — Forum #723 (Page 530/642)

1. What management measures should production and operation units take for major hazard sources? - HCBBS Forum
2. Why is a high-pressure interlock installed at the outlet of the refrigeration compressor, but not at the outlet of the pyrolysis gas? - HCBBS Forum
3. Regarding dome-shaped end caps - HCBBS Forum
4. What size of tank requires a foam generator? - HCBBS Forum
5. What are the causes of corrosion in distributors of tower equipment? - HCBBS Forum
6. Why are the requirements for security products constantly decreasing in price? - HCBBS Forum
7. Thank you for all your suggestions; I will take care of it - HCBBS Forum
8. Let’s discuss it - HCBBS Forum
9. Questions regarding the preliminary assessment of safety impacts - HCBBS Forum
10. September 10: Boiler Basics Question 27 – Terminology Explanations: (A certain score will be given to the top 40) - HCBBS Forum
11. How have the rules for claiming rewards online changed? . . - HCBBS Forum
12. Minimum operating rate of methanol-to-olefins plants - HCBBS Forum
13. Is there such a setting in everyone’s device? - HCBBS Forum
14. Corrosion-free pipelines for sulfur-containing crude oil - HCBBS Forum
15. Temperature rise of hydrogenation unit - HCBBS Forum
16. May I ask what books are available on extrusion granulators? - HCBBS Forum
17. Help needed； Is it necessary to turn on the cooling water when the centrifugal pump is in operation? - HCBBS Forum
18. Can an intrinsically safe level gauge be used in place of a flameproof level gauge? - HCBBS Forum
19. I kindly ask kind friends to send me a copy of the book \"Pneumatic Conveying Engineering\", edited by Yang Lun and Xie Huayi - HCBBS Forum
20. Eight years after two college students entered the factory at the same time,.. - HCBBS Forum
21. Regarding coal bin linings - HCBBS Forum
22. What is the difference between a sparger and a distributor? - HCBBS Forum
23. EDR help request - HCBBS Forum
24. Evaluation for Intermediate Engineers in Guangdong - HCBBS Forum
25. I had been working in pipeline design for two years when I was laid off, with only one month’s salary as compensation. After leaving my job, I went to an environmental protection company. . . - HCBBS Forum
26. What is a distillation column without reflux called? - HCBBS Forum
27. How to view a child’s report card at the “Haichuan Irrigation Co., Ltd. Convenience Store” - HCBBS Forum
28. Let’s all talk about how to select equipment - HCBBS Forum
29. 【MTBE】Analysis of the reasons for frequent overcurrent in the circulation water pump of the MTBE methanol recovery tower - HCBBS Forum
30. How to use pirated CAD without being detected by internet surveillance - HCBBS Forum
31. Hydraulic turning gear system of the steam turbine - HCBBS Forum
32. Why is ‘Internet+’ HSE essential for the safe development of enterprises? 》Series Five (1) - HCBBS Forum
33. Heat-shielded thermocouple - HCBBS Forum
34. Job hunting for 2016 graduates in Chemical Engineering and Technology (Practice**) - HCBBS Forum
35. Do all houses in areas at risk of explosion need to be made explosion-proof? - HCBBS Forum
36. 【College Activities】016+Teaching Assistant Career+hamiltontai - HCBBS Forum
37. How to deal with failures in hydraulic lift machines - HCBBS Forum
38. 【Daily Question】September 11: The amount of slurry returning to the distillation tower increases; what happens to the liquid level at the bottom of the distillation tower? - HCBBS Forum
39. The holidays are over; where did everyone go during those three days off? - HCBBS Forum
40. Removal of H2S - HCBBS Forum
41. Adjustment by pushing open the intake valve - HCBBS Forum
42. Heat exchanger descaling - HCBBS Forum
43. Where can I buy Kingsbury bearings? Contact information? - HCBBS Forum
44. 【College Activities】003+Tutoring+dlutyj - HCBBS Forum
45. High-pressure high-platform threaded ball valve - HCBBS Forum
46. How to address scaling on the rotor of a circulating hydrogen compressor? - HCBBS Forum
47. What is the relationship between foam entrainment and gas velocity? - HCBBS Forum
48. One post per day on occupational health - HCBBS Forum
49. What are the key points to consider when choosing an electric single-girder crane? - HCBBS Forum
50. Piping hydrostatic test exceeds design pressure - HCBBS Forum
51. Continuous reforming catalyst - HCBBS Forum
52. Who has any good diesel decolorization methods that we can discuss? - HCBBS Forum
53. How to collect samples of free silica in textile factories? How to analyze it? - HCBBS Forum
54. Regarding the professional specification HG/T 20507 (Coal Chemicals Gasification Framework) - HCBBS Forum
55. Relationship between LNG calorific value and composition - HCBBS Forum
56. Job search in chemical engineering design - HCBBS Forum
57. Regarding the selection of saddles for horizontal containers - HCBBS Forum
58. The women’s basketball team lost to Japan by 35 points and lost the championship, failing to qualify for Rio directly - HCBBS Forum
59. The tangential stress at SW6 is negative - HCBBS Forum
60. Does anyone have the forms containing the completion documents for the converter vaporization cooling system? They are needed to submit to the Quality and Technical Supervision Bureau; please provide them item by item - HCBBS Forum
61. Heat exchanger - HCBBS Forum
62. Subsequent treatment of ethyl acetate hydrolysis - HCBBS Forum
63. How often should the wear of SWR flowmeters be checked? - HCBBS Forum
64. What is the scope of special operations? - HCBBS Forum
65. Another golden autumn in September, another school term begins - HCBBS Forum
66. Reasons for sudden shaft displacement in centrifugal compressors - HCBBS Forum
67. Questions for Issue 20150902 - HCBBS Forum
68. 【Daily Question】Question from Issue 20150904 - HCBBS Forum
69. I would like some advice on calibrating a diaphragm differential pressure level gauge - HCBBS Forum
70. What is the difference between ft-lb and lb-ft? - HCBBS Forum
71. How to warm up a high-pressure shielded pump - HCBBS Forum
72. May I ask, the operating pressure is 2.5 MPa; the initial boiling point of gasoline is 30 degrees, and its dry point is 200 degrees. What is the dew point temperature of gasoline in a hydrogen environment... - HCBBS Forum
73. Pipeline replacement issue - HCBBS Forum
74. 【Daily Question No. 2】September 01, 2015: +2 wealth for participation, +3 additional wealth for a correct answer - HCBBS Forum
75. Material selection for containers containing HCL, H2S, and HCN media - HCBBS Forum
76. Is a manufacturing license required for 0.5mm stainless steel sheets used to manufacture bellows? - HCBBS Forum
77. Air source triple unit - HCBBS Forum
78. How to choose a pressure relief valve - HCBBS Forum
79. How does ASPEN represent refrigerants R407c and R410a? - HCBBS Forum
80. How to determine the nominal diameter of the inlets and outlets of the air buffer tank, as well as of the connections for pressure gauges? - HCBBS Forum
81. Regarding the composition of the alumina fraction mother liquor - HCBBS Forum
82. 【Daily Question】Test Issue 20150910 - HCBBS Forum
83. What material O-rings can resist ammonia corrosion? - HCBBS Forum
84. Debate on the weight of the water pump itself - HCBBS Forum
85. What is the function of heat exchange equipment? What are the basic requirements? - HCBBS Forum
86. Can Q245R seamless steel pipes be used as pipeline steel? - HCBBS Forum
87. What is the overall yield of the solvent deasphalting unit? - HCBBS Forum
88. Calculations related to dry boiling fluidized beds - HCBBS Forum
89. Describe the characteristics of the sludge-suspended clarifier. How is it classified? - HCBBS Forum
90. The material inside the reactor has stuck together, blocking the bottom valve - HCBBS Forum
91. What should be considered when connecting domestic wastewater to industrial wastewater treatment plants? - HCBBS Forum
92. What should be used for anti-corrosion of the inner walls of pipes at temperatures above 150 degrees Celsius instead of cyanide-based compounds? - HCBBS Forum
93. Looking for well-known control valve manufacturers in China - HCBBS Forum
94. 【Daily Question】September 5: Safety Valves and Burst Discs - HCBBS Forum
95. What are the dietary customs in different places during the White Dew season? - HCBBS Forum
96. September 3 Boiler Foundation Questions 19: Glossary Explanations: (A certain score will be given to the top 30) - HCBBS Forum
97. Selection of welding sequence - HCBBS Forum
98. From the perspective of the structure of a packed tower, what are the main components of a packed tower? - HCBBS Forum
99. Questions for Issue 20150908 - HCBBS Forum
100. Have you tested your air raid alarms? - HCBBS Forum