English — Forum #723 (Page 476/642)

1. Pressure and bottom temperature of the low-pressure drum in a urea plant using carbon dioxide stripping - HCBBS Forum
2. Pipeline Department of Wuhuan Engineering Company and Chemical Water Treatment Department of Wuhan Zhongnan Electric Power Design Institute - HCBBS Forum
3. Daily Question】November 3, 2015: Boiler True/False Questions (2 wealth points for replying; +3 to +8 additional wealth points for correct answers) - HCBBS Forum
4. What is the essence of corporate safety production regulations? - HCBBS Forum
5. What are the factors that affect the yield of coal chemical tar? - HCBBS Forum
6. Coal powder Organic matter Analysis - HCBBS Forum
7. Investment in space furnaces - HCBBS Forum
8. Beijing is researching coal-to-oil as a substitute for gasoline - HCBBS Forum
9. Outlook for the liquefied gas market in Shandong (20151028) - HCBBS Forum
10. Can a 2×2×1.0 cable be used for three-wire heating resistors? - HCBBS Forum
11. Help needed - HCBBS Forum
12. Regarding the out-of-roundness of pipes - HCBBS Forum
13. If spent acid can be recycled as dilute acid, is evaporation and concentration necessary for it to be valuable? - HCBBS Forum
14. Adding color to gasoline - HCBBS Forum
15. Regarding the installation direction of the explosion-proof isolation seal box for cable protection tubes - HCBBS Forum
16. MTO alkali scrubber tower - HCBBS Forum
17. Aspen Plus, Aspen Hysys, PROⅡ – which one is better to learn? - HCBBS Forum
18. Problems with the installation of shims for static equipment - HCBBS Forum
19. Can electric heat tracing belts be used to heat plastic pipes or plastic storage tanks? - HCBBS Forum
20. What is load ratio? - HCBBS Forum
21. Advanced membrane materials and membrane integration processes for treating high-concentration chemical wastewater - HCBBS Forum
22. 【Daily Question】November 5, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
23. Silicon glue - HCBBS Forum
24. 【Daily Question】Question for Issue 20151028 - HCBBS Forum
25. [Weekly Topic]: What is the impact of coal’s resistance to crushing on pressurized gasification of coal? What are the solutions? - HCBBS Forum
26. I would like to ask about the issues with the argon stop tower - HCBBS Forum
27. Everyone, take question 46-2: multiple-choice questions 11-12 from the 2015 First-Class Constructor Examination in Project Management; there will be a reward for those who answer correctly - HCBBS Forum
28. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 348 - HCBBS Forum
29. tiyiss (UID: 526522) appointed as Regional Registration Manager, Super Moderator - HCBBS Forum
30. How to remove sulfate ions from wastewater - HCBBS Forum
31. Material balance calculation - HCBBS Forum
32. I would like to ask the experienced users on this forum about issues related to connecting stainless steel pipes - HCBBS Forum
33. 【Weekly Question from November 2-8】Multiple-choice Questions - HCBBS Forum
34. What does the viscosity of slurry depend on? - HCBBS Forum
35. I have to take leave on November 1st and 2nd due to an appointment - HCBBS Forum
36. Seeking a sales representative for chemical pumps in the Northwest region - HCBBS Forum
37. Method for testing the acid value of PTA raw materials - HCBBS Forum
38. Fault symptoms of Dunham Bush refrigerators - HCBBS Forum
39. Thanks to the leniency shown by his former teammates, Harden was able to salvage some of his reputation - HCBBS Forum
40. Everyone, let’s work on question 37-2: multiple-choice questions 54-55 from the 2015 First-Class Constructor Examination in Engineering Economics; there will be a reward for correct answers - HCBBS Forum
41. Waste acid adsorption - HCBBS Forum
42. What does the motor signal GI represent in a PID diagram? - HCBBS Forum
43. Regarding steam generators - HCBBS Forum
44. The question is too vague - HCBBS Forum
45. How to handle odors during sludge drying - HCBBS Forum
46. Regarding PID instruments - HCBBS Forum
47. Safety valve trips - HCBBS Forum
48. Efficiency issues of various pumps - HCBBS Forum
49. Can a gimbal system be used for loading and unloading salt, acids, and liquid alkalis? - HCBBS Forum
50. Seeking information on analyzers - HCBBS Forum
51. Vaporization - HCBBS Forum
52. Help! ! ! - HCBBS Forum
53. What are the requirements for the installation foundation of atmospheric-pressure steel storage tanks? - HCBBS Forum
54. How is the equilibrium constant for methanol synthesis calculated? - HCBBS Forum
55. 【Daily Question】Question from Issue 20151027 - HCBBS Forum
56. Crude oil prices drop again; a reduction in the pricing limits for refined oil products is now a certainty, with the adjustment taking effect on November 3rd - HCBBS Forum
57. After the LPG storage tank is buried, what method is used for output? - HCBBS Forum
58. Dissolved oxygen trend (curve) per cycle in the A/O process - HCBBS Forum
59. Environmental Protection Daily Quiz: October 31 – Participate for prizes! 5 correct answers earn additional rewards, while those with 5 incorrect answers receive only 1 prize - HCBBS Forum
60. Issues regarding the use of flocculants in water treatment - HCBBS Forum
61. Celebrating that I’m in my second year of high school at HaiChuan! - HCBBS Forum
62. How to test for leaks in a heat transfer oil system - HCBBS Forum
63. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 350 - HCBBS Forum
64. How about adding a vacuum degasser between the AO tanks? - HCBBS Forum
65. Problems with the booster pump - HCBBS Forum
66. New user seeking help with DSC instrument - HCBBS Forum
67. Why does a integrated thermal resistance temperature sensor need to be connected in a three-wire or even four-wire configuration? - HCBBS Forum
68. Selection of diaphragm material for diaphragm nitrogen compressors - HCBBS Forum
69. 【Daily Question】True or False 11.5 The use of variable frequency speed control for the pump’s motor enables energy savings by reducing voltage - HCBBS Forum
70. Issues with leveling the turbine during the installation of Shengyu centrifugal compressors - HCBBS Forum
71. 【Daily Question】Question for Issue 20151028 - HCBBS Forum
72. Does anyone know the radius of the *ao acid ion? - HCBBS Forum
73. The function of the compressor oil mist fan - HCBBS Forum
74. Download of materials from the 2015 Annual Exchange Meeting on the Application Experience of Multi-nozzle Opposed Gasification Technology - HCBBS Forum
75. Daily Question 2015.10.31 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
76. 【Daily Question No. 22】November 10, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
77. Flowmeter paired with multiple transmitter sets - HCBBS Forum
78. Is the accuracy of servo level gauges that are used to measure LPG storage tanks that high? - HCBBS Forum
79. All we can do is be the best version of ourselves. - HCBBS Forum
80. Help: 40m3 underground horizontal oil tank - HCBBS Forum
81. Everyone, let’s work on question 27 of the 2015 First-Class Constructor Exam – multiple-choice questions 25-26 from the \"Engineering Economics\" section; there will be a reward for those who answer correctly - HCBBS Forum
82. Encoders and proximity switches for monitoring rotating equipment - HCBBS Forum
83. Issues related to the use of four-nozzle vaporization chambers - HCBBS Forum
84. Interview with waste food processing company - HCBBS Forum
85. The DN50 purge gate valve for 1.0MP steam keeps leaking; it has been replaced three times – what’s the issue? - HCBBS Forum
86. What are the sources of nitrogen oxide emissions? - HCBBS Forum
87. How does the pressure gauge reading change when a water pump transports liquids of different densities? - HCBBS Forum
88. Workplace Debate Episode 6: Should one handle situations flexibly at work or adhere strictly to rules? (Plus 3 for participating in the reply... - HCBBS Forum
89. 【Daily Question No. 12】October 27, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
90. Issues related to the steam desorption of organic compounds - HCBBS Forum
91. Where is the largest refined oil tank in China at present? - HCBBS Forum
92. To go or to stay? ? ? - HCBBS Forum
93. The pH value of gray water reaches 9.0 - HCBBS Forum
94. Regarding instrument air - HCBBS Forum
95. Looking for the user manual for the Allen-Bradley K series pulse card - HCBBS Forum
96. 【Petrochemical Zone】I’m here with you – Statistics on member basic information - HCBBS Forum
97. Liquid liquefied gas, density of propylene - HCBBS Forum
98. How to choose the air inlet area? - HCBBS Forum
99. Omitted items in the comprehensive material table - HCBBS Forum
100. 【Daily Question】Wastewater Knowledge - 10-27 (2 points for answering, 5 points for a correct answer) - HCBBS Forum