English — Forum #723 (Page 297/642)

1. Determination of the head of the make-up water pump: The make-up water for the secondary water network is supplied by the primary water network - HCBBS Forum
2. For flammable and explosive oil and gas, how should the flow meter be prototyped? - HCBBS Forum
3. Discussion on Chloride Issues in Hydrostatic Testing and Insulation of Austenitic Stainless Steel Equipment - HCBBS Forum
4. If you have any questions regarding chemical raw water or water treatment equipment, feel free to ask me - HCBBS Forum
5. Chemical engineering design companies in Wuxi and Suzhou - HCBBS Forum
6. How to put the H2S methanol filters into use and switch them? - HCBBS Forum
7. 【Daily Question】April 18, 2016: Participation = +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
8. Those taking the exam for the Power Engineering major this year, please come in - HCBBS Forum
9. Regarding differential pressure transmitters (level) - HCBBS Forum
10. I passed the first two exams for the registration consultant certification; let’s discuss it - HCBBS Forum
11. What are the main technologies for treating ammonia nitrogen wastewater? - HCBBS Forum
12. There is a strange phenomenon with manual stop valves, and I hope everyone can help me analyze it - HCBBS Forum
13. Treatment methods for high-ammonia-nitrogen wastewater - HCBBS Forum
14. Heartbreaking environmental news: Land around Changzhou Foreign Language School in Jiangsu is severely polluted, harming students - HCBBS Forum
15. Looking for information on the process of isomerizing butylene skeletons into isobutylene, along with technical FAQs to learn from* - HCBBS Forum
16. Loading plan for non-standard equipment - HCBBS Forum
17. Anti-corrosion requirements for ammonia tank - HCBBS Forum
18. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 491 - HCBBS Forum
19. How to calculate the coal consumption per furnace - HCBBS Forum
20. Does HaiChuan’s official WeChat account stop posting content anymore? Does Haichuan not have any offline events? - HCBBS Forum
21. Looking for the book \"Principles and Calculations of Boilers\", 3rd edition - HCBBS Forum
22. In the first stage aerobic tank for wastewater treatment, the water in that tank cannot have its color adjusted and remains black – how should this be dealt with? - HCBBS Forum
23. One question per day, April 21, 2016 – Catalysis section: Catalytic centrifuge - HCBBS Forum
24. Are there corrosion-resistant materials for sulfur recovery pipelines? - HCBBS Forum
25. Ton barrel cleaning system - HCBBS Forum
26. Expansion turbine power generation information - HCBBS Forum
27. Can the thickness be calculated by providing some parameters? - HCBBS Forum
28. Tourism version of the \"Newbies Spending Money\" campaign: [Newbies Guide You to Recognize Flowers] – Recommended activities - HCBBS Forum
29. Why is it difficult to maintain a high vacuum in the exhaust gas of turbines in high-altitude areas? - HCBBS Forum
30. Questions regarding the qualification seal for pressure pipeline design - HCBBS Forum
31. Backflow valve of the crude argon liquid pump - HCBBS Forum
32. Main wind matching - HCBBS Forum
33. Common Terms for Instruments and Meters with Their English Equivalents - HCBBS Forum
34. The application of new technologies in the maintenance of vertical mills - HCBBS Forum
35. I would like to ask how to operate PSA in order to increase its yield without affecting the purity of the product hydrogen - HCBBS Forum
36. Hey everyone, have you ever used air blending for a 5,000 m3 asphalt tank? - HCBBS Forum
37. API 609-2016 Butterfly Valves – Latest Version - HCBBS Forum
38. How are the parameters of a magnetic float calculated? - HCBBS Forum
39. 【Weekly Topic】【Storage & Transportation Version 20160419】 - HCBBS Forum
40. Low-temperature protection for air separation systems - HCBBS Forum
41. Newcomer Report - HCBBS Forum
42. For vacuum pipes, what is an appropriate flow rate for the secondary steam? - HCBBS Forum
43. What are the trends in pressure and temperature when negative-pressure water and negative-pressure steam are placed in an environment at normal pressure? - HCBBS Forum
44. Sign-in record post from April 15, 2016 - HCBBS Forum
45. Sulfur Daily Question, April 12------5 rewards for participation, 10 rewards for correct answers - HCBBS Forum
46. For long-neck butt-weld flanges with a pressure of 1.6 MPa, DN=500 is selected; it was found that when M20 nuts are used, they touch the edge of the flange - HCBBS Forum
47. Reasons for the long replacement time of coal buds with lean gas in fixed-bed batch gas generator furnaces - HCBBS Forum
48. The chemical analysis provided in the material certification shows fewer elements than required by the standards - HCBBS Forum
49. What are the reasons for slag blockage in the quenching chamber? - HCBBS Forum
50. Sulfur Daily Question, April 11------5 wealth for participation, 10 wealth for correct answers - HCBBS Forum
51. Discussion on the production of ammonia from urea hydrolysis - HCBBS Forum
52. High-pressure multi-stage centrifugal pump - HCBBS Forum
53. Are there horizontal multi-media filters? - HCBBS Forum
54. The issue of the size of the heat exchange tubes in waste heat boilers - HCBBS Forum
55. What is the difference between the SCDAD system and the DCS system? - HCBBS Forum
56. Sewage tank grid design - HCBBS Forum
57. 【Daily Question】 2016-04-13 Hydrogenation Sector Fill-in-the-blank question - HCBBS Forum
58. Is there an indicator for hydrazine content among the water quality parameters for boiler water? - HCBBS Forum
59. Topsoo device is looking for a team leader – please ask the moderator to keep it for a few days – thank you - HCBBS Forum
60. 【Weekly Topic】【Storage & Transportation Version 20160414】 - HCBBS Forum
61. Nitride combustion products - HCBBS Forum
62. Regarding boiler lining drying - HCBBS Forum
63. Practical version for testing moisture in oils - HCBBS Forum
64. How should “Windback seals” be translated? - HCBBS Forum
65. Nine time periods when accidents are likely to occur in enterprises - HCBBS Forum
66. How many ways are there for PLC and DCS communication? - HCBBS Forum
67. How to commission the propylene compressor system of an propylene refrigeration unit? - HCBBS Forum
68. Can a pressure gauge actually measure dynamic pressure? ? ? - HCBBS Forum
69. Job hunting - HCBBS Forum
70. Video storage duration requirements for hazardous waste handling units - HCBBS Forum
71. Environmental Protection Daily Tip – April 12: Reward for participation, plus 5 more points for answering correctly - HCBBS Forum
72. Do cooling towers and cooling ponds require safety signs? What content should be indicated? - HCBBS Forum
73. Does anyone know anything about SMVP structured packing – Gleich? - HCBBS Forum
74. 【Weekly Topic】【HVAC Version 20160412】 - HCBBS Forum
75. What is the impact of a decrease in light components in the hydrogenation feedstock on the reaction and distillation systems? - HCBBS Forum
76. 【Daily Topic】【Electrical Edition 20160411】 - HCBBS Forum
77. It’s really frustrating to encounter such problems - HCBBS Forum
78. Promotion Area Layout Affairs Discussion Thread — Moderators, please pay attention - HCBBS Forum
79. Regarding the new oil depot - HCBBS Forum
80. How is it carried out to detect linear defects on the surfaces of pipes and pipe fittings using surface penetration testing or magnetic particle testing? - HCBBS Forum
81. If the solution contains NH4HCO3, (NH4)2CO3, and NH3, how can the concentrations of each component be determined? - HCBBS Forum
82. English translation, urgently needed, thank you! - HCBBS Forum
83. Where in the facility are pneumatic control valves needed to be installed? - HCBBS Forum
84. The SCR+EDV5000 combination technology is used for the purification of flue gases from catalytic cracking; could this lead to excessive ammonia nitrogen levels in the desulfurization wastewater?... - HCBBS Forum
85. 【Weekly Topic】【 HVAC Version 20160421】 - HCBBS Forum
86. What should be done if a Class A storage tank contains more than one day’s worth of volume and needs to be placed in a room? - HCBBS Forum
87. Can PROii simulate devices similar to steam generators? - HCBBS Forum
88. What alkali can be added to raise the pH level of antifreeze after it drops? - HCBBS Forum
89. Grundfos models installed in enhanced safety type junction boxes - HCBBS Forum
90. Butane removal tower and fractionation tower levels - HCBBS Forum
91. What is a good method for treating wastewater containing heavy metals such as chromium in water treatment, with low costs? - HCBBS Forum
92. Mass flow meter issue, waiting online - HCBBS Forum
93. Information related to the water supply industry - HCBBS Forum
94. New registered chemical engineers seeking various supplementary materials or forums, etc - HCBBS Forum
95. Material allowable stress issue! (Different standards have different requirements.) - HCBBS Forum
96. 【Daily Question】April 11, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
97. Discussion on operational issues of air shut-off control valves on DCS screens - HCBBS Forum
98. How to achieve concentration control of sodium methoxide - HCBBS Forum
99. Problems with SCR and SNCR denitration technologies in domestic coking industries - HCBBS Forum
100. Occupational Health Daily Question 4.18: Participate for a prize; 5 questions, with an additional prize for answering 5 correctly - HCBBS Forum