English — Forum #723 (Page 613/642)

1. Relax the day after tomorrow - HCBBS Forum
2. How long after the masonry is completed should plastering be carried out - HCBBS Forum
3. Is the flow rate measured by the flow meter under operating conditions or standard conditions? - HCBBS Forum
4. Technical assistance: Load-bearing capacity of commercial housing - HCBBS Forum
5. Anticipation for the winter days - HCBBS Forum
6. Reasons for overheating of the lockhopper in the Texaco gasifier - HCBBS Forum
7. Why does the pressure in the reducer oil tank increase? - HCBBS Forum
8. Which formula for the test pressure should be used during the horizontal hydrostatic testing of vertical containers? - HCBBS Forum
9. Can two different electrical devices be connected from an explosion-proof box using a multi-core wire? - HCBBS Forum
10. Who has a method for removing a catalyst without first passivating it? Please share it; thanks in advance - HCBBS Forum
11. Problems with the setting of toxic gas alarm detectors - HCBBS Forum
12. Scale of electronic-grade polysilicon production lines - HCBBS Forum
13. Oil upgrading: Solving the process flow for heavy oil-based hydrogen production units - HCBBS Forum
14. What is the hydrogen content in the PSA purge gas used for hydrogen production? What are the approximate analysis values from other companies? - HCBBS Forum
15. What is the “regulator self-feedback verification method”? - HCBBS Forum
16. Evaluation of sulfur production catalysts and hydrogenation catalysts - HCBBS Forum
17. What are the safety precautions for catalyst loading? - HCBBS Forum
18. Issues regarding the expansion settings for fiberglass reinforced plastic pipes - HCBBS Forum
19. What gases are analyzed inside the furnace before starting up the gasification furnace? - HCBBS Forum
20. What are the causes of furnace explosions? Under what circumstances does it usually occur? - HCBBS Forum
21. 【Weekly Topic】(33) June 27, 2015: Briefly describe the methods for collecting water samples and the precautions to take - HCBBS Forum
22. bright and blue - HCBBS Forum
23. Form issues of gasoline blending tanks - HCBBS Forum
24. Dyne calculation method - HCBBS Forum
25. GB/T 29529-2013 Methods for measuring and evaluating noise of pumps - HCBBS Forum
26. What are the advantages and disadvantages of cold high scores and hot high scores? - HCBBS Forum
27. What to do if the chemical registration audit fails? - HCBBS Forum
28. Is it legal and compliant to directly introduce liquid ammonia into water in a storage tank to prepare ammonia solution? - HCBBS Forum
29. The function of the exhaust pipeline of the liquid chlorine shielded pump - HCBBS Forum
30. For instrument piping connections under high-pressure conditions, should socket welding or butt welding be used? - HCBBS Forum
31. Seek guidance on the production technology and technical expertise for p-hydroxybenzonitrile - HCBBS Forum
32. Why does the wireless connection between a phone and a computer turn on and off automatically? - HCBBS Forum
33. 【Daily Question】June 30: What are the requirements regarding the amount of catalyst when injecting combustion oil into the catalytic regenerator? - HCBBS Forum
34. Seeking materials for the 2015 National Advanced Forum on Industrial Water Conservation and Wastewater Recycling Technologies - HCBBS Forum
35. I need some information related to the purpose of using chlorine for cooling - HCBBS Forum
36. Are there any materials related to screw pumps? - HCBBS Forum
37. Is the allowable start signal for the instrument a long signal or a pulse signal? - HCBBS Forum
38. How is pressure balance achieved for the small holes in the waveguide? - HCBBS Forum
39. (Urgent) Analysis of the reasons for a single-stage centrifugal pump shutting down immediately upon startup - HCBBS Forum
40. Hehe-----Can’t see the ageless stone Buddha - HCBBS Forum
41. Assembly of spring-loaded safety valves - HCBBS Forum
42. Ways to address the issue of high energy consumption in non-ferrous metal production - HCBBS Forum
43. Selection issues for temperature and level instruments - HCBBS Forum
44. How much is the water replenishment for first-stage reverse osmosis? - HCBBS Forum
45. Can someone solve the following technical problem? - HCBBS Forum
46. What P2P platforms for environmental protection equipment are people aware of? - HCBBS Forum
47. Life District Moderator in Charge – Recruitment - HCBBS Forum
48. Basic knowledge about planetary reducers - HCBBS Forum
49. What are the disadvantages of a short sludge age? - HCBBS Forum
50. Why is the vacuum level dropping? - HCBBS Forum
51. Is the wealth consumed by downloading attachments for the PPT event version too much? - HCBBS Forum
52. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 99 - HCBBS Forum
53. Division of responsibilities between water supply and drainage engineering and process engineering specialties - HCBBS Forum
54. What is the difference between a tank mixer and a paddle mixer? - HCBBS Forum
55. Why cannot there be backpressure at the vacuum pump outlet? - HCBBS Forum
56. Seeking advice on ammonia detection plans for fertilizer plants - HCBBS Forum
57. The melting point is 31℃; if pumping is used, to prevent pipe blockage, to what temperature should I heat the storage tank? - HCBBS Forum
58. Have you all used bidirectionally sealed trunnion ball valves? - HCBBS Forum
59. 【Daily Question】July 7: What should be the minimum length of the overflow weir in a tower design, in relation to the diameter of the tower? - HCBBS Forum
60. to the extent that it is needed - HCBBS Forum
61. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 96 - HCBBS Forum
62. The inlet filter is clogged with a lot of tar; what method can be used to clean it thoroughly? - HCBBS Forum
63. Issues regarding the re-evaluation of welding processes - HCBBS Forum
64. How to calculate the actual power consumption of a pump per hour? - HCBBS Forum
65. Question: For the NRF590 indicator near the tank, it is connected to the system via 485 communication - HCBBS Forum
66. Liquid sulfur tank drawings? - HCBBS Forum
67. A newcomer to the workplace, quite confused - HCBBS Forum
68. Dear sea friends, what aspects should be taken into consideration when going to a centrifugal pump manufacturer to witness the trial operation of pumps? - HCBBS Forum
69. May I ask how the specific density of diesel at 15 degrees is calculated from its apparent density? - HCBBS Forum
70. Which module is used to simulate a venturi tube in Aspen? - HCBBS Forum
71. What is the unit of LS in the anti-corrosion list? - HCBBS Forum
72. Regarding the compressor outlet flow rate of the hydrogenation unit - HCBBS Forum
73. Issues regarding the series connection of hot oil pumps with dual supports - HCBBS Forum
74. Issues regarding the circuit of reciprocating compressors - HCBBS Forum
75. Registration deadline for Certified Chemical Engineers in 2015 - HCBBS Forum
76. I would appreciate your advice regarding the metering issues with nozzle flowmeters. - HCBBS Forum
77. Auxiliary oil pump and main oil pump - HCBBS Forum
78. The relationship between turbine back pressure, air intake volume, and the cooling efficiency of the air cooler! - HCBBS Forum
79. New energy water distribution - HCBBS Forum
80. One of the movies shown by the State Administration of Work Safety during Safety Month 2015: **“Life Cannot Be Restarted”** - HCBBS Forum
81. 【Production and Management Division】Special Post on Wage and Bonus Payments in June 2015 - HCBBS Forum
82. An effective method for removing desulfurization ions from ammonia solutions - HCBBS Forum
83. What is “life”? ? - HCBBS Forum
84. Usage of machine tool vibration isolation shims - HCBBS Forum
85. Discussion on the hot oil pump of catalytic units - HCBBS Forum
86. Energy saving and consumption reduction through cooling tower renovation - HCBBS Forum
87. “Haichuan Irrigation Co., Ltd. Convenience Store” – Heaven is changing channels - HCBBS Forum
88. Is the power supply circuit for the fire pump a 4-core cable? - HCBBS Forum
89. Height difference of double-layer pipe galleries - HCBBS Forum
90. What are people’s views on the market for non-ferrous metals in the second half of the year? - HCBBS Forum
91. Discussion on the minimum water vapor ratio of Co-Mo series shift catalysts - HCBBS Forum
92. Labor hour management in EPCM contracts - HCBBS Forum
93. Dear sea friends, please give me some advice - HCBBS Forum
94. Temperature control issue in extraction towers - HCBBS Forum
95. 【Daily Question】July 6: What to do when there is a seal leakage in a liquid hydrocarbon pump? - HCBBS Forum
96. Pipeline leak test - HCBBS Forum
97. Difference between incinerators and flares - HCBBS Forum
98. How to treat wastewater with high turbidity and high salinity economically - HCBBS Forum
99. Code for Fire Protection Design of Petrochemical Enterprises 7.2.5 - HCBBS Forum
100. Is it possible to monitor motor vibration at the site? - HCBBS Forum