English — Forum #723 (Page 445/642)

1. Water distribution technology in hydrolytic acidification process - HCBBS Forum
2. Sinopec SEI “countercurrent” continuous reforming process technology - HCBBS Forum
3. What kind of filters are used for liquid sulfur? - HCBBS Forum
4. The whole story of the explosion at China Chengda Engineering’s Wuhai BDO project - HCBBS Forum
5. Civil Engineering Structure Discussion Area ----【Daily Question】Question from the 20151119 issue - HCBBS Forum
6. Establishment of a 100 billion yuan investment fund for the development of the security industry - HCBBS Forum
7. Gas transportation - HCBBS Forum
8. Explanation of Article ** of the Regulations on Highway Safety Protection: Except for those facilities established in accordance with relevant regulations for refueling vehicles... - HCBBS Forum
9. Aspen simulation problems - HCBBS Forum
10. Applications of FLUKE products in the chemical industry? - HCBBS Forum
11. Regarding safety instrumented systems, the differences between fire alarm systems and fire protection interlock control systems - HCBBS Forum
12. What materials can be chosen for a column with a design temperature of around 950 degrees Celsius? - HCBBS Forum
13. [Oil Encyclopedia] Notable figures in the history of oil development - HCBBS Forum
14. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 371 - HCBBS Forum
15. Weekly topic: 5 Wealth points for correct answers, 2 Wealth points for participation； Question 223 - HCBBS Forum
16. For flange bolts in cold regions, can grade 8.8 be used? - HCBBS Forum
17. The Ministry of Human Resources and Social Security has decided to repeal the Regulations on the Recruitment of Workers in Technical Occupations, in order to fully support entrepreneurship and innovation - HCBBS Forum
18. Applications and Development of Catalytic Reforming Processes - HCBBS Forum
19. What is the process flow of the chlorate oxidation process? - HCBBS Forum
20. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 220 - HCBBS Forum
21. Issues with the wiring schemes for instrument measurements – please have experts answer - HCBBS Forum
22. I would like to ask everyone about the development of the equipment engineering field in petrochemical enterprises - HCBBS Forum
23. Advanced treatment and reuse technology for biochemical effluent from industrial park wastewater treatment plants - HCBBS Forum
24. The performance of the pump remains essentially unchanged. Many shell companies mistakenly write it as ‘pump’, yet Lu remains unchanged. It’s terrible. . - HCBBS Forum
25. Water quality issues in the liquid separation tank at the top of the vacuum distillation tower - HCBBS Forum
26. Regarding the issue of pump frequency conversion - HCBBS Forum
27. 2015.11.18 Ductile failure (2 wealth for a reply + 3–8 wealth if the answer is correct) - HCBBS Forum
28. 【Daily Question】11.23 Multiple-choice question: During normal operation of a boiler, it is advisable to keep the opening degree of the feedwater control valve at (　　). - HCBBS Forum
29. Calculation of turbine efficiency - HCBBS Forum
30. Manufacturers of titanium dioxide for catalysts - HCBBS Forum
31. 【Daily Question】Chemical Engineering Principles 242: Absolutely Dry Materials (November 23) - HCBBS Forum
32. How are \"tooth on tooth\" and \"cover closed\" explained in the barring system? - HCBBS Forum
33. Regarding telecom fraud - HCBBS Forum
34. 【Popular Science on Polymers and Materials】--34 The Utilization of Waste PET + zdl1966 - HCBBS Forum
35. What material is used for seals in carbonates? - HCBBS Forum
36. Digital solution for pressure swing adsorption process - HCBBS Forum
37. Inspection and maintenance of instrument pipeline valves - HCBBS Forum
38. What is a gas explosion? - HCBBS Forum
39. Install an inverter on the centrifugal pump - HCBBS Forum
40. 【If it’s to be solved, it must be solved thoroughly】Testing of portable combustible and toxic gas detectors【LEL】 - HCBBS Forum
41. What is the liquid-to-gas ratio in the HPF wet flue gas desulfurization absorber? - HCBBS Forum
42. May I ask how grades 1 and 2 are classified in the ASTM B619 standard for welded tubes made of nickel and nickel-cobalt? - HCBBS Forum
43. 【Popular Science on Polymers and Materials】--Applications of expandable polystyrene in garden pot cultivation+zdl1966 - HCBBS Forum
44. On “State Expansion and Private Sector Decline” and Monopolies - HCBBS Forum
45. How is the flow rate of the two streams at the outlet of the desulfurization waste liquid clarifier controlled? - HCBBS Forum
46. The first “Anhuan Cup” Like Campaign has been successfully concluded --- Award announcement post - HCBBS Forum
47. Methods for dealing with raw material shortages - HCBBS Forum
48. Urine concentration at various points during the synthesis of urea in aqueous solution - HCBBS Forum
49. Question 92 on Boiler Foundations, November 18: (A certain score will be given to the top 40) - HCBBS Forum
50. Issues with the production of construction drawings for long-distance transmission pipelines in renovation projects - HCBBS Forum
51. I need a C2 cracked version installation file! ! ! - HCBBS Forum
52. Instrumentation kits – how to learn about them* (there are rewards for reasonable answers) - HCBBS Forum
53. Help: The outdoor sewage pipe (cement pipe DN400) is blocked – how can it be cleared? - HCBBS Forum
54. I have a question regarding the structure of gate valves - HCBBS Forum
55. When the flow rates of the two fluids in the heat exchanger increase, does the temperature rise increase or decrease? - HCBBS Forum
56. Calibration of metering pumps - HCBBS Forum
57. 【Daily Question】November 22, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
58. Technical assistance request - HCBBS Forum
59. Oil-exporting giants bid a tearful farewell to their \"best days\"” - HCBBS Forum
60. Calculation of coke oven flue gas - HCBBS Forum
61. Issues regarding the corrosion and rust prevention of tower cranes - HCBBS Forum
62. 【Daily Question】Question from Issue 20151116 - HCBBS Forum
63. translation in Specification for welded nickel and ni-co alloy pipe - HCBBS Forum
64. Classification problem - HCBBS Forum
65. n-butane stripping column - HCBBS Forum
66. Civil Engineering Structure Discussion Area ----【Daily Question】Question from the 20151120 issue - HCBBS Forum
67. Regarding the issue of controlling the size of precipitated particles - HCBBS Forum
68. Issues regarding hydrogen sulfide stress corrosion in carbon steel - HCBBS Forum
69. Joint Learning*1117: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
70. 【Daily Question】Question from Issue 20151123 - HCBBS Forum
71. Difference between gasification chain alarm value and lockout value - HCBBS Forum
72. Why is water conservation in circulating cooling water important? - HCBBS Forum
73. Differences in valve standards - HCBBS Forum
74. Treatment of wastewater containing ammonium chloride, sodium chloride, and sodium sulfide - HCBBS Forum
75. Is a license or certification required to work in sewage treatment? - HCBBS Forum
76. Registered Engineer - HCBBS Forum
77. Parameter settings for small chlorine stripping towers - HCBBS Forum
78. Simulation of the tower - HCBBS Forum
79. The 13 safest petrochemical companies in the world | The highlights are at the end - HCBBS Forum
80. In an aromatic extraction unit, which pipeline areas are prone to corrosion and require regular thickness testing? Please help ! ? ! - HCBBS Forum
81. Calculation of the enthalpy value of superheated steam - HCBBS Forum
82. Everyone, work on question 79-2: the multiple-choice question 65 from the 2015 First-Class Constructor Examination in Project Management; there will be a reward for those who answer it correctly - HCBBS Forum
83. Choose the direction of life - HCBBS Forum
84. With so much experience in design, how do you create a system to prevent children from getting lost, and what methods are there to find them if they do get lost? Please, sir... - HCBBS Forum
85. Carbon steel, CrMo steel, stainless steel - HCBBS Forum
86. What is the significance of controlling the top temperature of a distillation tower? - HCBBS Forum
87. Instrumentation for strict inspection in the storage and transportation of liquefied gas - HCBBS Forum
88. Tolerance means affirming oneself as well as recognizing others - HCBBS Forum
89. Reasons for bearing blackening - HCBBS Forum
90. Regarding the control of odors in sewage treatment plants - HCBBS Forum
91. Water injection at the top of the stripping tower issue - HCBBS Forum
92. What are chemical **properties**? - HCBBS Forum
93. Consult a flow meter for measuring pipeline wind speed - HCBBS Forum
94. Discussion on the design of the overflow weir in methanol water towers - HCBBS Forum
95. In the shift system, does the heat of reaction of the shift reaction increase when the gas load increases? - HCBBS Forum
96. White tea – the simpler, the more complex - HCBBS Forum
97. The thermal effect issue in the absorption model of ASEPN PLUS - HCBBS Forum
98. Meeting someone depends on fate - HCBBS Forum
99. How much do you know about the corrosion and protection of chemical processing equipment? - HCBBS Forum
100. Never build charging stations in the same way as gas stations - HCBBS Forum