English — Forum #723 (Page 597/642)

1. Regarding the issue of vacuum level - HCBBS Forum
2. The motor has been replaced by a steam turbine for driving purposes - HCBBS Forum
3. GC1 pipeline and GC2 pipeline - HCBBS Forum
4. Fluctuation problem of steam flow meter - HCBBS Forum
5. Treatment of dilute sulfuric acid - HCBBS Forum
6. 【Daily Question】July 9: What are the classifications of tower packing? - HCBBS Forum
7. How to address the impact of inverters on motors - HCBBS Forum
8. National Translation Qualification Examination - HCBBS Forum
9. Chilean vibrating fluidized bed passes customer quality inspection - HCBBS Forum
10. Issues related to process exhaust gases - HCBBS Forum
11. What type of container should be used to store H acid? - HCBBS Forum
12. Who in the family is responsible for cooking, and how is the workload divided? - HCBBS Forum
13. The dog days have arrived, and Wenzhou’s valve manufacturers have activated automatic baking mode - HCBBS Forum
14. Gasoline hydrogenation products are alkaline - HCBBS Forum
15. Are you happy after work at the “Haichuan Irrigation Co., Ltd. Convenience Store”? - HCBBS Forum
16. Issues with the HG flange pressure-temperature rating table - HCBBS Forum
17. Changmin multi-channel ultrasonic flow meter - HCBBS Forum
18. How is NaCl removed during the production of sodium hypochlorite solutions? - HCBBS Forum
19. Questions regarding aquaculture wastewater – water quality concerns - HCBBS Forum
20. On the treatment of waste acid from acetic acid plants - HCBBS Forum
21. Help: How to calculate the weight that a concrete base can bear per square meter - HCBBS Forum
22. How can water be kept at 40°C or -8°C continuously? - HCBBS Forum
23. Help needed regarding the location of openings in the horizontal raw oil buffer tank - HCBBS Forum
24. What is the minimum combustible value of low calorific value gas when burned in air at room temperature? - HCBBS Forum
25. 【Weekly Topic】- Linyi in Shandong summoned over environmental issues; \"shock therapy\" to combat smog – what’s your opinion? - HCBBS Forum
26. Questions about the safe flow rate for liquid ammonia? - HCBBS Forum
27. Just transferred from process to equipment team; going to supervise the manufacturing of distillation towers, tank heat exchangers, and similar items right away - HCBBS Forum
28. New ideas for controlling pneumatic control valves with controllers - HCBBS Forum
29. 50t heat transfer oil fluidized bed boiler - HCBBS Forum
30. Can an explosion-proof valve positioner replace an intrinsically safe one? - HCBBS Forum
31. Methods for utilizing the waste heat from high-pressure water in the urea production process - HCBBS Forum
32. Coke oven gas methanation compressor - HCBBS Forum
33. Fuel gas buffer tank - HCBBS Forum
34. In the 2015 version of the **Chemical Catalogue**, is copper sulfate no longer considered a **chemical**? - HCBBS Forum
35. May I ask, which version of \"Crazy English\" is good for learning spoken language? - HCBBS Forum
36. 2013 C2 Crack Installation Guide (the installation methods available online have issues) - HCBBS Forum
37. One question per day; those who answer correctly receive 10 wealth points, while participants receive 2 wealth points； Question 251 - HCBBS Forum
38. Sudden decrease in lubricating oil viscosity of the new hydrogen compressor - HCBBS Forum
39. Opening drums of liquid chemicals - HCBBS Forum
40. What are the causes, symptoms, and treatment methods for the inclination of the fire layer in a pulverized coal pressurized gasification furnace? - HCBBS Forum
41. Functional testing post - HCBBS Forum
42. Discussion on Question 20 in the morning session of the second day of 2014 - HCBBS Forum
43. It’s my birthday; I just want to be happy. Happy birthday to me!~ - HCBBS Forum
44. Scaling problems in air separation cooling towers - HCBBS Forum
45. The newcomer doesn’t understand well; please provide the wiring method for connecting a temperature transmitter to a PLC - HCBBS Forum
46. When measuring the flash point, why does no further flashing occur after the initial flash appears? - HCBBS Forum
47. Removal and recovery of residual chlorine from the liquid material using membrane technology - HCBBS Forum
48. If the pressure is low behind the outlet valve of the boiler feed water pump, should the outlet valve be opened or closed? - HCBBS Forum
49. Understanding the current situation of the domestic international fertilizer market - HCBBS Forum
50. The registered regional safety section welcomes your participation (we hope it can be combined with the safety and environmental protection section) - HCBBS Forum
51. Where is the sweet and sour carp dish from? - HCBBS Forum
52. Factors affecting octane number loss in gasoline hydroprocessing - HCBBS Forum
53. 【Daily Question】Chemical Engineering Principles 109: Boiling Heat Transfer (July 14) - HCBBS Forum
54. For \"pipeline personnel protection\", is there a more professional term besides the translation of \"protection for pipeline workers\"? - HCBBS Forum
55. What type of flange face does a 600LB ANSI cast steel gate valve have? - HCBBS Forum
56. Exhaust emissions do not meet standards - HCBBS Forum
57. Analyze the reasons for the differences in the sampling analysis data from both sides of the boiler water - HCBBS Forum
58. Another report on the continuous stable operation of Shandong Alliance Chemical’s DC-C DN2500 ammonia synthesis tower for three years - HCBBS Forum
59. Requirements for pipeline ball valves in long-distance pipelines - HCBBS Forum
60. Who should be punished - HCBBS Forum
61. Examples of applications of membrane distillation. - HCBBS Forum
62. Problems with turbine-driven compression units - HCBBS Forum
63. 4 lessons for rising again after setbacks at work - HCBBS Forum
64. The impeller bearing of the circulating water pump is stuck and cannot be removed; seeking help from experts? ? ? - HCBBS Forum
65. The shielded pump motor was damaged and sent back to the factory - HCBBS Forum
66. How to quickly reduce the hardness of hard water? - HCBBS Forum
67. Selection of reinforcement rings - HCBBS Forum
68. Sensor technology makes electrical switches smarter - HCBBS Forum
69. Energy consumption issues in coal-to-oil production - HCBBS Forum
70. Applications of PTFE gaskets - HCBBS Forum
71. Questions 42 and 44, Morning Session, 2012 Professional Exam - HCBBS Forum
72. Are there any manufacturers that produce engineering plastic pumps? - HCBBS Forum
73. Help translate what it means – it appears in the calculation process - HCBBS Forum
74. Large fluctuations in the liquid level of the reflux tank can easily lead to - HCBBS Forum
75. Problems with the primary coolers in coking plants - HCBBS Forum
76. **After the standard is updated, the testing methods will also be revised to reflect the latest national standard documents - HCBBS Forum
77. I’ve been in confusion for a long time; I still want to ask if I can take the exam. Please give me a clear answer - HCBBS Forum
78. This year, the registration for the chemical engineering exam might be delayed or the exam itself might not take place - HCBBS Forum
79. Can electronic scales and mechanical scales be included in an SOP management document? - HCBBS Forum
80. How can a deluge valve prevent seawater from entering? - HCBBS Forum
81. Which has better valves, Zhejiang Lino or Shanghai Shengji? - HCBBS Forum
82. Effect of medium parameters on the performance of centrifugal pumps - HCBBS Forum
83. Problem of increased current in axial flow pumps - HCBBS Forum
84. Regarding portable gas ultrasonic flowmeters~ - HCBBS Forum
85. What are the differences between PFA and F4? How can one distinguish the colors of PFA and F46? - HCBBS Forum
86. Exam time - HCBBS Forum
87. Six survival rules for post-90s newcomers in the workplace - HCBBS Forum
88. Issues with the range setting of gauge pressure transmitters - HCBBS Forum
89. Compressor surge - HCBBS Forum
90. Overheated steam pipeline design - HCBBS Forum
91. How to prevent scaling on the circulating water side of plate heat exchangers - HCBBS Forum
92. What are the actual differences in welding joint coefficients? - HCBBS Forum
93. Tail gas hydrogenation operation - HCBBS Forum
94. Compressor vibration - HCBBS Forum
95. Xinjiang Tianye caustic soda, PVC consumption metrics - HCBBS Forum
96. Control parameters for by-products from gas desulfurization - HCBBS Forum
97. If power cannot be supplied to the electrodialysis unit, it causes instability in the operation of the entire system – what should be done? - HCBBS Forum
98. Are there catalytic cracking units designed for the production of wax oil? - HCBBS Forum
99. Loading plan for chemical plant - HCBBS Forum
100. Does the steam partial pressure tank store steam after depressurization or before depressurization? - HCBBS Forum