English — Forum #723 (Page 525/642)

1. What are the main manufacturers of catalysts for the isomerization of straight-chain alkanes? - HCBBS Forum
2. How can a boiler be modified to increase its efficiency? - HCBBS Forum
3. Which has greater hardness, 316L or Monel? - HCBBS Forum
4. How to determine whether an instrument person’s skills are mature - HCBBS Forum
5. Issues regarding heating with superheated steam and dry saturated steam - HCBBS Forum
6. Water treatment testing equipment - HCBBS Forum
7. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 313 - HCBBS Forum
8. What is the basic principle of the mode superposition method? - HCBBS Forum
9. Can it provide the separation and utilization of iron in hydrometallurgy? - HCBBS Forum
10. Autodesk plant 3d - HCBBS Forum
11. Why are some devices placed directly on the floor while others are hung from the ceiling? - HCBBS Forum
12. Questions about heat treatment - HCBBS Forum
13. 1. What are the main environmental problems facing humanity today? - HCBBS Forum
14. Nitrogen sealing issues in reciprocating compressors - HCBBS Forum
15. Pressure Vessel Quality Certificate - HCBBS Forum
16. Design of heat-free pressure swing adsorption dryer - HCBBS Forum
17. 09NiMnDR - HCBBS Forum
18. Installation of CADWorx 2014 and CAESAR II 2014 - HCBBS Forum
19. A case study on the commissioning and troubleshooting of E+H guided-wave radar level gauges for technical upgrades - HCBBS Forum
20. Structural diagram of catalytic oil-gas separator equipment - HCBBS Forum
21. Petrochemical Products Deep Processing Section 【Weekly Topics】【Daily Question】Prize-winning Submission Call (Ongoing) - HCBBS Forum
22. Treatment of spent potassium hydroxide alkaline solution - HCBBS Forum
23. Production technology and equipment drawings for rodamine - HCBBS Forum
24. Drain pipe of the trap - HCBBS Forum
25. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 311 - HCBBS Forum
26. I graduated just two months ago, and I’ve only been assigned to the project team for five days; the pressure is immense - HCBBS Forum
27. Class B factories and Class B warehouses are constructed adjacent to each other - HCBBS Forum
28. What is the difference between alkylated products and aromatized products? - HCBBS Forum
29. Questions for Issue 20150916 - HCBBS Forum
30. Tower design - HCBBS Forum
31. Problems in measuring sulfur dioxide at the fan outlet - HCBBS Forum
32. Issues with weld hardness testing - HCBBS Forum
33. Double-flange formwork heating - HCBBS Forum
34. Plate heat exchanger calculation - HCBBS Forum
35. Atomization occurs inside the Ende furnace - HCBBS Forum
36. Are there any restrictions on the installation height of instruments in chemical plants? - HCBBS Forum
37. The effluent from the MBR is yellow - HCBBS Forum
38. Regarding the gasket for the low-temperature section of air separation units - HCBBS Forum
39. Determination of the acidity of lithium tetrafluoroborate - HCBBS Forum
40. 【Daily Question】Issue 20150918 Test - HCBBS Forum
41. Instrument wiring - HCBBS Forum
42. Fuel gas pipeline venting issue - HCBBS Forum
43. How to boost the popularity of the section on weekends - HCBBS Forum
44. The function of a steam trap - HCBBS Forum
45. Graduated with a master’s degree in 2015; can I apply for the Level 1 Constructor qualification in 2017? - HCBBS Forum
46. Relay issue - HCBBS Forum
47. Badminton enthusiasts in Hefei, please leave your comments here - HCBBS Forum
48. Hot water circulation Chemical dosing - HCBBS Forum
49. On-site fabrication of elbows from pre-made bent pipes - HCBBS Forum
50. What is the standard for testing hydrogen levels at the sealing points of hydrocracking units using a hydrogen detector? - HCBBS Forum
51. Tonight is Evergrande’s home game in the AFC Champions League; hope everything goes well! Guess the comparison score and win a big prize! - HCBBS Forum
52. What are the difficulties and key points in on-site production management? - HCBBS Forum
53. Low-temperature methanol wash gas nitrogen - HCBBS Forum
54. What is the function and working principle of a Venturi mixer in brine? - HCBBS Forum
55. Xuexue Shared Materials - HCBBS Forum
56. Preparing for the 2016 Chemical Engineering Exam - HCBBS Forum
57. Common faults of tensile testing machines and their solutions - HCBBS Forum
58. The Luchi furnace successfully underwent its first trial firing with Baofeng coke - HCBBS Forum
59. I have a question for everyone - HCBBS Forum
60. Posting to keep a record. - HCBBS Forum
61. Regarding the calculation of recovery rate - HCBBS Forum
62. BOO mode biomass boiler - HCBBS Forum
63. Why is it required that the pH of insulation materials should be no less than 8? - HCBBS Forum
64. What methods does everyone use for submersible pumps installed in pools? - HCBBS Forum
65. Abnormal temperatures at the top and bottom of the MDEA acid gas regeneration tower - HCBBS Forum
66. Regarding the safe discharge volume of containers - HCBBS Forum
67. Will directly zeroing the capillary level without any migration affect accuracy? - HCBBS Forum
68. Regarding the issue of nutrient addition - HCBBS Forum
69. Could someone please help me figure out what kind of heat exchanger would be suitable? Urgent! Urgent! Urgent! ! ! - HCBBS Forum
70. List of National LNG Projects Using Coke Oven Gas (Reposted) - HCBBS Forum
71. Regulations on the management of storage tank instruments - HCBBS Forum
72. The shaft of the vacuum pump keeps bending - HCBBS Forum
73. How do catalytic combustion and infrared gas detectors for flammable gases differ? - HCBBS Forum
74. 【Weekly Topic】The slogan for this year’s Quality Month campaign is............ - HCBBS Forum
75. Number of gas stations issue - HCBBS Forum
76. Please, fellow organizations, share the dosage ratio of dispersants used. - HCBBS Forum
77. I would like to ask everyone: what welding wire and flux should be used for 16MnDR, and what welding wire is suitable for TIG welding? - HCBBS Forum
78. What’s wrong with me? I’ve been feeling down over some things lately. - HCBBS Forum
79. Ask about the classification and characteristics of safety valves - HCBBS Forum
80. Which are the domestic manufacturers of magnetic flap switches? - HCBBS Forum
81. Test - HCBBS Forum
82. How to deal with heavy oil containing trace amounts of phenol - HCBBS Forum
83. Reasons for severe shaking and noise from the crane - HCBBS Forum
84. With Jiangsu Nansteel signing Oden, can he bring a surprise to the fans? - HCBBS Forum
85. Talk about energy-saving technologies and excellent examples of energy-saving renovations around us - HCBBS Forum
86. I work in a manufacturing plant. How do people prepare the inspection procedure documents in accordance with the NB/T47013-2015 standard for non-destructive testing of pressure equipment? No... - HCBBS Forum
87. Dual-screen configuration of CENTUNM VP - HCBBS Forum
88. What are the water treatment processes available for municipal reclaimed water to be used in the open-loop cooling water systems of chemical plants? - HCBBS Forum
89. 【Daily Question】2015.09.22 (2 Wealth points for replying, +3-8 Wealth points for a correct answer) - HCBBS Forum
90. Can those without a chemical engineering background apply to become petrochemical engineers? - HCBBS Forum
91. Reasons for selecting the pump performance curve - HCBBS Forum
92. 7 amazing tips for cleaning the kitchen - HCBBS Forum
93. Analyze the differences in operational requirements for truck cranes between domestic and international markets - HCBBS Forum
94. Chlorine quality - HCBBS Forum
95. Hydrogen compressor - HCBBS Forum
96. DMTO wash tower differential pressure - HCBBS Forum
97. One post per day to learn about occupational health - HCBBS Forum
98. How can one determine where the problem lies by looking at a chromatogram? Siemens chromatography - HCBBS Forum
99. There is a filter screen from the slag bin of the slag skimmer to the clean water tank - HCBBS Forum
100. Regarding the issue of PE lining corrosion resistance - HCBBS Forum