English — Forum #723 (Page 218/642)

1. How many sulfur chemical industry projects do we have at the moment? What brands are the control valves used in their installations? - HCBBS Forum
2. On oil refining simulation - HCBBS Forum
3. Comparison of American stainless steel casting grades - HCBBS Forum
4. O-xylene unloading problem - HCBBS Forum
5. Has anyone with experience in restructuring projects? Seeking advice! - HCBBS Forum
6. 【Idiom Chain】Let’s go! 6.29 Energy conservation and environmental protection - HCBBS Forum
7. Reasons for the damage of the five-stage piston rings in reciprocating compressors - HCBBS Forum
8. Guan Guan: To summarize the current situation of Haichuan members in one sentence, does it hit the mark? ? ? - HCBBS Forum
9. How to choose the type of heat exchanger - HCBBS Forum
10. Instrument Quiz of the Day, 2016.6.21 - HCBBS Forum
11. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 56 - HCBBS Forum
12. What welding operations are minimum required for the manufacturing qualification of Class D1 and D2 pressure vessels? - HCBBS Forum
13. Is a registered chemical certificate useful? - HCBBS Forum
14. 【Daily Safety Reminder】6.22 - HCBBS Forum
15. [Leisure Area] Special Post on Wage and Bonus Payments in June 2016 - HCBBS Forum
16. Transformation problem - HCBBS Forum
17. Annual maintenance issues for 500,000 cubic meter reciprocating compressors - HCBBS Forum
18. Specifications of nitrogen seal valve - HCBBS Forum
19. Layout of vent pipes in the spherical tank area - HCBBS Forum
20. Which module is used in Aspen Plus V7.2 to simulate the calculation of safety valves? - HCBBS Forum
21. Question regarding the boundary points for changes in pipeline grade - HCBBS Forum
22. Mechanical seal C45B-30/TP UUE33/3 - HCBBS Forum
23. [Q&A Question 067] 2016.06.26 - HCBBS Forum
24. CH3COOH analyzer - HCBBS Forum
25. FMTP catalyst - HCBBS Forum
26. 【Weekly Topic】【Storage & Transportation Version 20160630】 - HCBBS Forum
27. Design of falling film evaporators - HCBBS Forum
28. Is the term \"production building\" synonymous with a factory building (fully enclosed)? - HCBBS Forum
29. Temperature control - HCBBS Forum
30. Sulfur Regulations - HCBBS Forum
31. Accident case analysis: one question per Monday (8). +3 wealth for participation, plus an additional 1–10 wealth for correct answers - HCBBS Forum
32. Anti-dew point corrosion technologies for sulfur-containing wastewater tanks and flue gas desulfurization towers – Dalian Tianfan Anti-Corrosion is ready to provide you with comprehensive technical services throughout the process - HCBBS Forum
33. Regarding the problem of blackening in the sludge of the aerobic tank - HCBBS Forum
34. Can a velocity-type flow meter combined with a densitometer achieve the effects of a mass flow meter? - HCBBS Forum
35. How should the air consumption for the instrumentation of pneumatic valves be calculated correctly? ? - HCBBS Forum
36. Biogas purification - HCBBS Forum
37. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 55 - HCBBS Forum
38. Calculation of the water jacket for intermittent gas production in fixed-bed reactors and the steam generated as a by-product from the waste boiler - HCBBS Forum
39. Use heat transfer oil to heat the sludge - HCBBS Forum
40. 【Q&A Question 068】2016.06.27 - HCBBS Forum
41. What is an appropriate MLSS level in the aerobic tank? - HCBBS Forum
42. Applications of filters and filter elements in power plants - HCBBS Forum
43. Domestic titanate coupling agents - HCBBS Forum
44. Regarding the lining baking issue in the catalyst transfer line of FCC units, what are some good suggestions on how to ensure the proper temperature? - HCBBS Forum
45. 【Daily Question】Advanced Processing 20160621 Multiple Choice: The unit system commonly used in engineering in our country is ( ) - HCBBS Forum
46. 【Daily Question】Deep Processing 20160623 Multiple Choice: The purpose of using U-tubes for pipelines in process pipe racks is ( ) - HCBBS Forum
47. Issues with vacuum level in the water-water circulation of water ring vacuum pumps - HCBBS Forum
48. Issues with impact testing of studs and nuts - HCBBS Forum
49. Carbon deposition in dry gas hydrogen production conversion - HCBBS Forum
50. Among 150, in terms of opening reinforcement, what is the difference between the terms cylinder, housing, and tubular body? - HCBBS Forum
51. Flow meter selection - HCBBS Forum
52. Latest production standards and technologies for plate heat exchangers - HCBBS Forum
53. Environmental Protection Tip of the Day – June 28: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
54. Job search for a Production Assistant with 6 years of experience - HCBBS Forum
55. Help determine whether it belongs to Category C liquids - HCBBS Forum
56. Online system for detecting the sulfurous acid an concentration in the mother liquor - HCBBS Forum
57. Discussion on the stress on gaskets - HCBBS Forum
58. 【Euro Cup Big Bet】19 Poland vs Portugal - HCBBS Forum
59. 【Daily Topic】【Production Version 20160630】 - HCBBS Forum
60. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene in 60 days - HCBBS Forum
61. Are there any people from Jiangsu province who have passed the pressure vessel design review qualification exam in recent years? - HCBBS Forum
62. Which plants in Shandong’s local refineries have reprocessing units? - HCBBS Forum
63. What does rotor viscous interlock mean? - HCBBS Forum
64. 【Daily Topic】【Production Version 20160628】 - HCBBS Forum
65. 【Weekly Topic】【Storage & Transportation Version 20160628】 - HCBBS Forum
66. How is the suspension separated after polymer demulsification and coagulation? How to choose a filter screen/fabric to prevent clogging? - HCBBS Forum
67. Can biochemical sludge and sediment be used as seed sludge for UASB? - HCBBS Forum
68. The backpressure after the orifice plate flow meter increases - HCBBS Forum
69. 【Weekly Topic】【Engineering Version 20160623】 - HCBBS Forum
70. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 43 - HCBBS Forum
71. Discussion on the efficiency-enhancing tower in the air separation field - HCBBS Forum
72. Thermometer display type - HCBBS Forum
73. Summary of the compound fertilizer market conditions across China in July 2016 - HCBBS Forum
74. Register for chemical engineering course - HCBBS Forum
75. Are there any regulatory specifications regarding the minimum distance between structures such as ponds? ? - HCBBS Forum
76. Questions about choosing the exam location for the Chemical Engineering major? - HCBBS Forum
77. Unscientific understanding and environmental management systems are the main obstacles to addressing haze caused by coal-fired power generation - HCBBS Forum
78. Reasons for the presence of foamy substances in the final sedimentation tank - HCBBS Forum
79. 【 Alkylation 】 How much does an alkylation plant with a capacity of 100,000 tons cost approximately? - HCBBS Forum
80. What is removed during liquefied gas purification? - HCBBS Forum
81. The function of the tensioning device for small belt conveyors - HCBBS Forum
82. Ethanol specifications in the national standards for pure methanol - HCBBS Forum
83. The Yamaku APV102 locator cannot perform self-tuning; there is no response at all to attempts to carry out tuning - HCBBS Forum
84. A strange phenomenon related to pressure gauges - HCBBS Forum
85. 【Daily Topic】【Production Version 20160621】 - HCBBS Forum
86. Hydrocracking startup - HCBBS Forum
87. 【Micro-fiction】Such a “brilliant trick”” - HCBBS Forum
88. Safety Technology Exchange Edition: Daily Question (2016.6.22) - HCBBS Forum
89. Regarding corrosion inhibitors, I’ve seen in the literature that the dosage is usually given in μg/g; but how is this converted into a flow rate in practical applications? - HCBBS Forum
90. Do registered chemical engineers be exempt from the practical exam for fire protection registration? - HCBBS Forum
91. 【Daily Judgment NO.47】June 26, 2016 - HCBBS Forum
92. Problem of dirty nitrogen gas flow rate - HCBBS Forum
93. Recruitment for Instrument Procurement Engineer at Zhejiang Zhongkong Research Institute Co., Ltd - HCBBS Forum
94. Nanjing Miura granulator accessories - HCBBS Forum
95. AI signal transmission distance - HCBBS Forum
96. Seek advice on the reasons why filter press pumps break down frequently - HCBBS Forum
97. 【Picture of the Day】2016 06 23 What is the device in this picture? - HCBBS Forum
98. What is the role of zirconium in refractory bricks? - HCBBS Forum
99. There is rust in the tap water pipes; how to remove it? Don’t even talk about changing the pipes. - HCBBS Forum
100. 【Weekly Topic】【Engineering Version 20160628】 - HCBBS Forum