English — Forum #723 (Page 209/642)

1. What are the functions of the chilled water in the refrigeration units used in the chlor-alkali industry? - HCBBS Forum
2. What is the function of the exciter in a reciprocating compressor? - HCBBS Forum
3. Stopping and purging of the stripping tower - HCBBS Forum
4. Why is lubricating oil commonly used for pumps while grease is commonly used for motors? - HCBBS Forum
5. Prices of chemical processing equipment - HCBBS Forum
6. What is the difference between Type I hex nuts and special-purpose nuts? - HCBBS Forum
7. SAE flange - HCBBS Forum
8. Viscosity measurement - HCBBS Forum
9. Aspen simulates non-conservation of mass at the inlet and outlet of the reactor; seeking expert assistance - HCBBS Forum
10. 【Idiom Chain】7.8 Let’s go! Up and down, anxious - HCBBS Forum
11. Six amendments to HSE-related laws take effect on July 2 - HCBBS Forum
12. Vaporized oxygen buffer tank - HCBBS Forum
13. Occupational Health Daily Question 7.7: Participate for a prize; 3 correct answers and another prize will be given - HCBBS Forum
14. Online monitoring of flue gas in catalytic devices - HCBBS Forum
15. 【Picture of the Day】2016 07 07 What is the device in this picture? - HCBBS Forum
16. I have a question: how can I resolve the Aspen input issue below? - HCBBS Forum
17. Maintenance technology for mechanical seals in turbine compressors - HCBBS Forum
18. ASspen adsorption: Pressure swing adsorption for removing sulfur from propane - HCBBS Forum
19. Maintenance technology for tilting-pad radial bearings in turbine compressors - HCBBS Forum
20. Selection of sealing material for butterfly valves with triple-eccentric structure - HCBBS Forum
21. Are the daily posting and replying rewards gone? - HCBBS Forum
22. Which expert has materials for the Professional Title English – Science and Engineering Level B? - HCBBS Forum
23. I am learning about gasification and would like to ask experts: what are the differences between the u-gas process and the ICC process? - HCBBS Forum
24. Use of steam traps - HCBBS Forum
25. The desulfurization tower was forgotten to be equipped with a wire mesh demister - HCBBS Forum
26. Seek process flow diagrams and procedures for pharmaceutical intermediates (with easily controllable operating parameters, low risk, and easy setup of pilot-scale facilities) - HCBBS Forum
27. 【Q&A Question 077】2016.07.06 - HCBBS Forum
28. 【Daily Judgment NO.55】July 6, 2016 - HCBBS Forum
29. Request the schematic diagram of the coalescing dehydrator - HCBBS Forum
30. 【Haichuan Foodie Debate】Is food cooked in a pressure cooker really delicious? - HCBBS Forum
31. Are there any electrical meters with extremely high measurement accuracy in the field of electricity? - HCBBS Forum
32. Structure of pneumatic valve actuators - HCBBS Forum
33. May I ask how the maximum design temperature of the tower, as well as the design temperature and operating temperature, are determined? - HCBBS Forum
34. How to restore the casting standard? - HCBBS Forum
35. Absorption and stabilization of non-condensable gases at the top of the stabilizer (high H2S content) - HCBBS Forum
36. Can sodium sulfate and manganese sulfate be obtained through evaporation crystallization? - HCBBS Forum
37. How should emergency measures be taken in case the levels of hexavalent chromium in the effluent from wastewater treatment plants are significantly above the allowed limits? - HCBBS Forum
38. Central air conditioning circulating water system - HCBBS Forum
39. When the expansion valve is opened, an abnormal \"whooshing\" sound persists for about 10 seconds - HCBBS Forum
40. Distillation column problems - HCBBS Forum
41. 【Updated daily①】The CPU is a rather stubborn piece of hardware – what should you do if there’s a problem? - HCBBS Forum
42. 【Daily Question】July 8, 2016: +2 wealth for participation； +3 to 8 wealth for correct answers - HCBBS Forum
43. 【Daily Topic】【Electrical Edition 20160707】 - HCBBS Forum
44. How is the equation relating the equilibrium constant of this transformation reaction to temperature derived? Thank you! ! - HCBBS Forum
45. Tiantai University version: Professional practice questions 1-7 – any questions? - HCBBS Forum
46. Development and Recent Advances in Alkylation Technology in 2016 - HCBBS Forum
47. Hydrogen peroxide decomposition - HCBBS Forum
48. Registration and study for the first-level constructor exam* - HCBBS Forum
49. Is there any naphtha with a high aromatic potential content and a final boiling point of no more than 180? - HCBBS Forum
50. 【Idiom Chain】7.4 Let’s go! Let’s have fun together! - HCBBS Forum
51. Accident case analysis: one question per Monday (9). +3 wealth for participation, plus an additional 1–10 wealth for correct answers - HCBBS Forum
52. Job hunting - HCBBS Forum
53. How to transport explosive gas mixtures - HCBBS Forum
54. Issues with the inlet and outlet of hot water heating heat exchangers - HCBBS Forum
55. Mixed acid recovery - HCBBS Forum
56. Hot blast stove - HCBBS Forum
57. Determination of the minimum attenuation coefficient - HCBBS Forum
58. 【Daily Topic】【HVAC Version 20160709】 - HCBBS Forum
59. water-to-hydrogen ratio - HCBBS Forum
60. Do the instrumentation devices involved in fire protection design require CCCF certification? - HCBBS Forum
61. 【Daily Topic】【Civil Engineering Version 20160712】 - HCBBS Forum
62. 【Building Muscle and Losing Fat】How to Train for a Great Body Shape - HCBBS Forum
63. I’m looking for recommendations from experts for manufacturers of plate-fin heat exchangers that have design capabilities - HCBBS Forum
64. One Question per Day on Synthetic Ammonia (Series 109) - HCBBS Forum
65. What is used for threading installation of HVAC pipes? - HCBBS Forum
66. The manager wants me to write about the importance of my work; is this because they want to fire me? 0.0 - HCBBS Forum
67. Looking for manufacturers of various pumps used in chemical manufacturing enterprises - HCBBS Forum
68. How much longer can the methanol catalyst be used? - HCBBS Forum
69. Excuse me - HCBBS Forum
70. [Grassroots Chat] The difference between a [freshman male] and a [senior male] - HCBBS Forum
71. Is it appropriate to install a voltage transformer on the boiler? - HCBBS Forum
72. HFPO synthesis process - HCBBS Forum
73. Seeking data on Klauss fans and controls - HCBBS Forum
74. Issues regarding the fees for the 2016 Chemical Engineering Examination - HCBBS Forum
75. 【Daily Topic】【Electrical Edition 20160704】 - HCBBS Forum
76. Discussion on the separation and impurity removal of cobalt and nickel in sulfuric acid systems - HCBBS Forum
77. Are the safety valves of LNG vaporization stations all vented directly to the atmosphere? - HCBBS Forum
78. Add carbon dioxide before conversion - HCBBS Forum
79. A project HSE goal breakdown table - HCBBS Forum
80. Discoloration problem of isoprene rubber - HCBBS Forum
81. 2016 Registration and Exam Venue Arrangements in Zhejiang - HCBBS Forum
82. How is the impurity content of the feedstock controlled in hydrorefining? - HCBBS Forum
83. Find a suitable form of stainless steel conveyor belt - HCBBS Forum
84. Seeking help with organic synthesis techniques - HCBBS Forum
85. Is thermal compensation needed for pipes at normal temperature? - HCBBS Forum
86. Selection Activity for Outstanding Original Technical Themes in May-June 2016 (Technical Super Editor and Administrator Voting Phase) - HCBBS Forum
87. Fundamentals of Power Engineering – Electrical Edition: Issues related to pumps - HCBBS Forum
88. Can wastewater containing benzyl alcohol be biodegraded? - HCBBS Forum
89. Does the setting of the safety valve need to take into account the motor power? - HCBBS Forum
90. Question 11 from the 10-year case study - HCBBS Forum
91. Which range of DN sizes requires reinforcement plates for takeover? - HCBBS Forum
92. 【Daily Question】Chemical Engineering Principles 404: Chemical Sampling Rack (July 7) - HCBBS Forum
93. 【Weekly Topic】【Storage & Transportation Version 20160705】 - HCBBS Forum
94. Steam temperature and cost - HCBBS Forum
95. External-cooling transformed gas soda ash production carbonation tower - HCBBS Forum
96. Boiler renovation - HCBBS Forum
97. Valve and pipeline welding issues - HCBBS Forum
98. 【Daily Topic】【Electrical Edition 20160708】 - HCBBS Forum
99. The lower column of the distillation unit is unstable, with pressure fluctuations; seeking advice from experts. - HCBBS Forum
100. What pump should be used to extract oil from high-temperature coal tar? - HCBBS Forum