English — Forum #723 (Page 550/642)

1. Can 2205 and TA2 be welded? - HCBBS Forum
2. Discussion on the impact of reinstating value-added tax on fertilizers - HCBBS Forum
3. Ultra-optimal CLAUS process - HCBBS Forum
4. Nozzle flexibility - HCBBS Forum
5. Steam generator gas-liquid separation space - HCBBS Forum
6. Which domestic manufacturers of electromagnetic flowmeters are relatively good? - HCBBS Forum
7. What conditions should chemical reactions suitable for titrimetric analysis possess? - HCBBS Forum
8. Identify the potential safety hazard areas in cranes - HCBBS Forum
9. Charging standards for pipeline equipment installation - HCBBS Forum
10. How are the mechanical properties of weld metal understood? - HCBBS Forum
11. If there is a device failure in the fire alarm controller, can it be configured so that no alarm is triggered as a result of this failure? - HCBBS Forum
12. Aligning the turbine rotor - HCBBS Forum
13. Is there any senior colleague who is familiar with the synthesis and decomposition processes of tetramethylenemethane diamine? Could you please provide some information on that? - HCBBS Forum
14. Explain the regeneration principle of sodium ion exchangers? - HCBBS Forum
15. Five types of carburization defects and their prevention methods - HCBBS Forum
16. What are the hazard factors of cranes? - HCBBS Forum
17. Information on the slag crusher from the 11th Aerospace Research Institute, thank you - HCBBS Forum
18. 【Weekly Topic】(Forty) 2015.8.26 How should a sodium hydroxide standard solution be prepared? Why? - HCBBS Forum
19. Looking for manufacturers of incinerators - HCBBS Forum
20. Are wrenches required to operate petrochemical valves? Urgent! Urgent! Urgent! - HCBBS Forum
21. Market trends of methanol on August 19 - HCBBS Forum
22. Issues regarding liquid pressure regulators and gas pressure regulators - HCBBS Forum
23. Do you know what the design features of double-girder bridge cranes are? - HCBBS Forum
24. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for those who participate； Question 153 - HCBBS Forum
25. Looking for manufacturers of catalytic main fans - HCBBS Forum
26. What material is used for the cooling water total phosphate medium? - HCBBS Forum
27. Remember the good people do for you - HCBBS Forum
28. (Ended) - HCBBS Forum
29. Questions regarding series dry gas seals - HCBBS Forum
30. 【Daily Question】Question for Issue 20150828 - HCBBS Forum
31. Regarding the feedback switch for the cut-off valve - HCBBS Forum
32. Let’s discuss whether housing prices will rise sharply as a result of these interest rate and reserve requirement ratio cuts - HCBBS Forum
33. Can a liquid turbine flow meter measure crude oil with a dynamic viscosity of 50-100 MPa·s? - HCBBS Forum
34. FAQs on load cells - HCBBS Forum
35. Used in the online water washing system for air compressors - HCBBS Forum
36. Hospital hot water boiler - HCBBS Forum
37. Layout of chlorosulfonic acid production plant - HCBBS Forum
38. Detection working principle of combustible gas alarms - HCBBS Forum
39. Steam flow meter - HCBBS Forum
40. Is it correct that film stress exists only away from the junction between the cylinder and the head? - HCBBS Forum
41. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 152 - HCBBS Forum
42. Pre-sulfurization of hydrogenation catalysts - HCBBS Forum
43. Looking for recommendations; I want to learn *CAD drawing - HCBBS Forum
44. The salt acid recovery system contains a small amount of xylene - HCBBS Forum
45. Selection of valves for solid powders - HCBBS Forum
46. Gansu Province is now able to issue certificates - HCBBS Forum
47. Manufacturers of fuming sulfuric acid in Shandong region - HCBBS Forum
48. Problems with vertical thermosyphon reboilers - HCBBS Forum
49. Ignition treatment of the converter after a flash stop in the hydrogen production unit - HCBBS Forum
50. When welding a 10mm stainless steel inner cylinder to a carbon steel Q345R jacket, does it matter to consider the impact properties of the carbon steel? - HCBBS Forum
51. \"Chemical Intermediates\" - HCBBS Forum
52. Device voltage fluctuation - HCBBS Forum
53. Seeking advice on addressing the challenge of treating wastewater with high ammonia levels - HCBBS Forum
54. Temper embrittlement of chromium-molybdenum steel - HCBBS Forum
55. Are there any specifications for spraying in high-temperature oil pumps? - HCBBS Forum
56. Is the requirement to register as an environmental engineer going to be abolished? - HCBBS Forum
57. Material discoloration - HCBBS Forum
58. Lubricant base oil - HCBBS Forum
59. Explain the characteristics of the different rust removal methods for lifting equipment - HCBBS Forum
60. Seeking help, seeking advice regarding the types of pumps - HCBBS Forum
61. hysys8.6 hydrate formation curve - HCBBS Forum
62. Severe corrosion at the top of the catalytic tower - HCBBS Forum
63. Safety signs - HCBBS Forum
64. What material is used to make the gasifier in pressurized coal gasification? - HCBBS Forum
65. What materials should be used for storing low-concentration sulfuric acid? - HCBBS Forum
66. Looking to purchase a strain measurement instrument - HCBBS Forum
67. Must gas boilers use corrugated water tanks? How do I determine the number of ripples? - HCBBS Forum
68. 【Weekly Topic】How to Conduct Hazard Inspections at the Production Site - HCBBS Forum
69. Do you all know anything about the lubricating oil furfural refining unit? - HCBBS Forum
70. What is the difference between a guide tube clamp and a fastening tube clamp? They look the same in the diagrams - HCBBS Forum
71. Can the drive turbine of an air compressor generally have intermediate steam extraction? - HCBBS Forum
72. 【Daily Question】Question from Issue 20150824 - HCBBS Forum
73. Selection of pipeline materials for gas stations - HCBBS Forum
74. Coalification region is seeking experienced moderators and technicians - HCBBS Forum
75. Questions about the oxygen pressure control valve - HCBBS Forum
76. What does the degree of crosslinking of ion exchange resins refer to? - HCBBS Forum
77. Let’s discuss whether to buy a house first or a car first - HCBBS Forum
78. MTO Process Calculation Instructions - HCBBS Forum
79. What is the best way to treat wastewater from the crude benzene hydrogenation process? - HCBBS Forum
80. Problems with the oil slinger ring in centrifugal pumps - HCBBS Forum
81. Selection of bevel gears and spur gears - HCBBS Forum
82. Treatment of asphalt containers - HCBBS Forum
83. Accumulation of liquid inside the device - HCBBS Forum
84. Another explosion occurred at a chemical plant in Zibo, Shandong; the chemical industry has really faced many disasters this year - HCBBS Forum
85. Regarding the very end of the pump’s performance curve - HCBBS Forum
86. Graywater hardness issue - HCBBS Forum
87. What are the engineering design companies in Chengdu that specialize in natural gas processing? - HCBBS Forum
88. What are the main regulations and codes that must be followed in the design of pressure vessels? - HCBBS Forum
89. What happens to the pressure buildup in the metal hose if both the main valve and the control valve for the tank root are closed? - HCBBS Forum
90. ASME BPVC SECTION I 2013 - HCBBS Forum
91. General requirements for the layout of steam pipelines - HCBBS Forum
92. Pressure transmitter selection issues - HCBBS Forum
93. Loading management system for chemical enterprises - HCBBS Forum
94. Chemical engineering software - HCBBS Forum
95. Resistance-type shaft temperature sensor for turbine centrifuges - HCBBS Forum
96. In exaquantum’s China Construction Tag Template, how are opc, man, calc, and shortcut used in the tag types? - HCBBS Forum
97. Impurity issues with calcium oxide - HCBBS Forum
98. Ultra-fine coal powder boiler - HCBBS Forum
99. On-site signage for major hazard sources - HCBBS Forum
100. DCS safety barrier issues - HCBBS Forum