English — Forum #723 (Page 61/642)

1. What are the main causes of scaling in U-tube heat exchangers? - HCBBS Forum
2. What is the appropriate height of the suction outlet on the pump-off line for heavy crude oil tanks? - HCBBS Forum
3. The issue of installing a drain on the outlet pipeline of Class A liquid pumps - HCBBS Forum
4. Analysis of the reasons for the decrease in vacuum level in the turbine air cooler? - HCBBS Forum
5. Tech Enthusiast | Ways to Increase the Lifespan of Control Valves (8 Methods) - HCBBS Forum
6. Crack in the crankshaft of the Filoua high-pressure coal slurry pump - HCBBS Forum
7. Who should be responsible for the safety management of special equipment? - HCBBS Forum
8. Treatment of residual water remaining in the system after water transportation at the initial start-up - HCBBS Forum
9. Win a 500 lucky prize by cracking the golden egg - HCBBS Forum
10. How to deal with plate blockage in the HCN stripping section of the thermal regeneration tower - HCBBS Forum
11. Instrument primary valve, piping, pressure gauge - HCBBS Forum
12. Press modification - HCBBS Forum
13. Is there a simpler way to heat a 50-cubic-meter crude oil tank? - HCBBS Forum
14. Next year, one can take the exam to become a certified safety engineer again - HCBBS Forum
15. Regarding the issues of hydrodesulfurization of kerosene and the upgrade to National V low-freezing-point standards, what is the sulfur content in kerosene after hydrogenation? - HCBBS Forum
16. Is titanium used in the ammonia synthesis industry? - HCBBS Forum
17. What is Plato’s view? _? - HCBBS Forum
18. Total logins: 2,196 days - HCBBS Forum
19. Distribution of benzene content - HCBBS Forum
20. The “9·14” explosion and fire accident at Liaoning Fushun Shunte Chemical Co., Ltd. (Case analysis) - HCBBS Forum
21. Other awards for the November 2016 tour group - HCBBS Forum
22. Can a methanol synthesis tower be pressurized with carbon dioxide gas? - HCBBS Forum
23. Global Occupational Safety and Health Broadcast (Episode 6) - HCBBS Forum
24. What should be done if the sampling container used for testing is contaminated with oil? - HCBBS Forum
25. What is the general range of the dynamic pressure difference in the spent acid pyrolysis and purification unit? - HCBBS Forum
26. How to calculate the gas phase composition of ammonia in a storage tank using Aspen - HCBBS Forum
27. Why should the installation location of the safety valve on the pipeline be away from sources of fluctuation? - HCBBS Forum
28. Can a molecular sieve adsorption bed be designed as a fixed-bed? Are there any papers or theoretical calculation formulas as a basis? - HCBBS Forum
29. Thermodynamics - HCBBS Forum
30. Sign-in record post from December 1, 2016 - HCBBS Forum
31. Use and maintenance of integrated turbine flowmeters - HCBBS Forum
32. Selection of the seal flushing scheme for the methanol pump in methanol-to-hydrogen plants - HCBBS Forum
33. Daily Security Management Technology Question (12.1) - HCBBS Forum
34. Who can help me explain something about the polysilicon manufacturing process? - HCBBS Forum
35. Corrosion in the outlet pipeline of the conversion stripping tower results in a short service life. - HCBBS Forum
36. Liquid sulfur trioxide - HCBBS Forum
37. Where can I go if I switch careers after 10 years of working in a design institute? - HCBBS Forum
38. Safety Emergency Response Plan for the CO2 Removal Unit in Ammonia Synthesis Plants - HCBBS Forum
39. Three points are predestined - HCBBS Forum
40. Bao’an takes strict action against \"environmentally harmful oils\": 13 restaurant owners detained in two days - HCBBS Forum
41. How to be an excellent salesperson? - HCBBS Forum
42. Seek safety data for storage and transportation tank areas - HCBBS Forum
43. Industrial sludge drying process - HCBBS Forum
44. The relationship between the outlet pressure and head of a centrifugal pump - HCBBS Forum
45. Commissioning of the deaerator - HCBBS Forum
46. I need a detailed description of the CS3000 function block as well as examples of its configuration. Thank you! - HCBBS Forum
47. 【If the HaiChuan Forum establishes a physical company】What departments need to be set up, and what position do you want to hold?^_^ - HCBBS Forum
48. I really admire the Special Inspection Agency - HCBBS Forum
49. Reflux ratio question - HCBBS Forum
50. Usage and precautions for fire doors - HCBBS Forum
51. How high can nitrogen pressure compress materials? - HCBBS Forum
52. Reasons for leakage during pressure testing of ball valves - HCBBS Forum
53. Should PN160 use 900LB or 1500lb? - HCBBS Forum
54. Restructuring - HCBBS Forum
55. The exam date for the Certified Environmental Engineer qualification has been determined - HCBBS Forum
56. Would someone who studies chemical engineering tell you how to save yourself in the event of a chemical explosion? - HCBBS Forum
57. Summary of Safety Hazards at Construction Sites - HCBBS Forum
58. How many idioms are there in “A New Account of Tales of the World”? - HCBBS Forum
59. Praying for the baby - HCBBS Forum
60. Feeding into the reactor - HCBBS Forum
61. It’s a loss, a real loss. - HCBBS Forum
62. What is the purpose of the pulse value in ultrasonic flowmeters? - HCBBS Forum
63. Gas filter - HCBBS Forum
64. Fee for HAZOP analysis report - HCBBS Forum
65. Who knows the process for the raw material toluene tank area? - HCBBS Forum
66. Standardization of post format and content 1: Title includes keywords; attachment upload with version specification - HCBBS Forum
67. Good health - HCBBS Forum
68. Uses of MTBE - HCBBS Forum
69. The differences between reducer pipes, pipe clamps, and elbow joints - HCBBS Forum
70. How the methane to hydrogen ratio affects the ethylene yield in the demethanization tower - HCBBS Forum
71. I’m a bit confused. Is a two-way hard-seated butterfly valve the same as a two-way hard-seated ball valve? - HCBBS Forum
72. Payday is here - HCBBS Forum
73. Problems with oil separation tanks in alkylated oil storage areas - HCBBS Forum
74. What is your favorite sport? How long have you been playing it? - HCBBS Forum
75. The material cannot be viewed after download - HCBBS Forum
76. What to do if a control valve gets clogged due to crystallization? - HCBBS Forum
77. How much aromatic compounds can be extracted (produced) from a batch of naphtha? - HCBBS Forum
78. Dear sea friends, how do you clean your duct-type systems? - HCBBS Forum
79. Is there a lot of liquid sulfur in the shell side of the sulfur process gas? - HCBBS Forum
80. What to do if you are in a fire? - HCBBS Forum
81. Exercise - HCBBS Forum
82. How to design a one-key start-up system for petrochemical plants - HCBBS Forum
83. Material selection for 800℃ flue gas pipelines - HCBBS Forum
84. Is it effective to produce biogas from vinegar residues? Are there any successful cases? - HCBBS Forum
85. Roof tank renovation - HCBBS Forum
86. How to maintain good communication with the owners’ personnel? - HCBBS Forum
87. Can reclaimed water be used for the circulating water in cooling towers of civil buildings? - HCBBS Forum
88. Question: Can L-DAB150# air compressor oil be used as a circulating oil in the crankcase? - HCBBS Forum
89. What does it mean that the lining material is compatible with storing hazardous waste? - HCBBS Forum
90. How to calculate mass - HCBBS Forum
91. 【12-7】Daily Occupational Health Quiz - HCBBS Forum
92. Are precision filters installed on the diesel loading pipelines? - HCBBS Forum
93. Proper use of the vortex swirl flowmeter - HCBBS Forum
94. Analysis of the causes of failures in the activated sludge treatment system for papermaking wastewater plants - HCBBS Forum
95. THF Environment Co., Ltd.’s 2016 Talent Recruitment Plan - HCBBS Forum
96. 【12-4】Daily Occupational Health Quiz - HCBBS Forum
97. What specifications determine whether foundation can accommodate buried pipes - HCBBS Forum
98. Understanding of national and provincial levels - HCBBS Forum
99. How can used thermal insulation rock wool be reused? - HCBBS Forum
100. Experts: Should a drain line be installed between the two isolation valves of the oil pipeline? - HCBBS Forum