English — Forum #723 (Page 306/642)

1. The future of occupational health - HCBBS Forum
2. 【Daily Topic】【Electrical Edition 20160330】 - HCBBS Forum
3. Transformation of synthetic ammonia feedstock routes - HCBBS Forum
4. Desulfurization corrosion and consumption of dipolymerized sulfonated titanium cobalt phthalocyanine - HCBBS Forum
5. Wood sealing calculation - HCBBS Forum
6. Occupational disease health checkup, hearing screening - HCBBS Forum
7. Who has the material balance for the vinyl chloride plant (water, steam)? - HCBBS Forum
8. Looking for friends from design institutes - HCBBS Forum
9. Liquid level measurement in the filling system? - HCBBS Forum
10. How to stabilize circulating water temperature and steam pressure - HCBBS Forum
11. Water separation rate of water-coal slurry - HCBBS Forum
12. Basic training video materials on instrument automation - HCBBS Forum
13. How to prevent the propagation of high-temperature creep cracks during the production of pressure vessels - HCBBS Forum
14. Dual level indicators are provided for hazardous liquid storage tanks - HCBBS Forum
15. 【Daily Question】Deep Processing 20160403: When using a filter-type gas mask, it is required that the oxygen content in the air at the work site be at least... - HCBBS Forum
16. Announcement on the Appointment of *aojiaoya0546 as Deputy Regional Senior Editor - HCBBS Forum
17. 【Daily Question】 2016 04 07 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
18. What type of flow meter is suitable for measuring 99% cyclohexylamine and 99% dicyclohexylamine? - HCBBS Forum
19. The company network is useless - HCBBS Forum
20. Comprehensive three-level safety education for enterprises - HCBBS Forum
21. What type of flow meter is used to measure the flow rate of 70-75% ethanol? ? ? ? Urgent - HCBBS Forum
22. New type of high-efficiency heat exchange finned tube made of stainless steel for use in heat exchangers - HCBBS Forum
23. On soil resistivity in cathodic protection - HCBBS Forum
24. Catalytic Consulting - HCBBS Forum
25. Questions regarding the torch compressor? - HCBBS Forum
26. What are the full English names for circuit breakers TMD and MA? - HCBBS Forum
27. Chemical analysis - HCBBS Forum
28. Does anyone here have data on oil depots and oil terminals across the country? - HCBBS Forum
29. 【Daily Question】 2016 04 11 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
30. It is recommended to add image display for posts with attachments - HCBBS Forum
31. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 486 - HCBBS Forum
32. 【Chat】What are the things to keep in mind when working on-site in spring? - HCBBS Forum
33. What You Need to Know About Working in Confined Spaces [Extremely comprehensive] - HCBBS Forum
34. Degreasing of oxygen pipelines, acid cleaning of oxygen pipelines, degreasing of oxygen pipelines in the air separation area - HCBBS Forum
35. Regarding the material of phosphine pipelines - HCBBS Forum
36. Safety related to ammonia water - HCBBS Forum
37. Three-effect evaporation and MVR evaporation of sodium sulfate - HCBBS Forum
38. Do heat exchangers and separators need to undergo pressure testing before being put into use? - HCBBS Forum
39. More PAM and PAC have been added to the physical-chemical treatment process; will this affect the biological treatment process? - HCBBS Forum
40. How to solve unstable water supply pressure? - HCBBS Forum
41. The naphthalene content in the circulating oil is high; how to deal with it? - HCBBS Forum
42. “My Device, My Home “Photo Exhibition Sub-Event – Promotion and Registration Post for the Story of Spring” - HCBBS Forum
43. CAD text copying references the format of the target text - HCBBS Forum
44. Reviewing the Old to Discover the New (Series 2) - HCBBS Forum
45. Can the set pressure of a safety valve be reduced from a higher value to a lower one? - HCBBS Forum
46. Is it correct to say that liquid buffer tanks are all horizontal while gas buffer tanks are all vertical? - HCBBS Forum
47. Interpretation of the «Opinions on Deepening Reforms to the System and Mechanisms for Talent Development» - HCBBS Forum
48. How to deal with poor heat transfer performance in spiral plate heat exchangers - HCBBS Forum
49. Sign-in record post from April 1, 2016 - HCBBS Forum
50. Project modifications regarding sulfonation, chlorination, nitration, and high-risk production processes - HCBBS Forum
51. Is it necessary to install a nitrogen blanket in the pressure tanks for liquefied hydrocarbons? - HCBBS Forum
52. Understanding the definition of boiling point - HCBBS Forum
53. Regarding whether EPDM in plate heat exchangers is resistant to propylene - HCBBS Forum
54. Experience Sharing: 95 Points in the Professional English for Science and Engineering Test in 2012 - HCBBS Forum
55. Determination of boiler feedwater temperature - HCBBS Forum
56. Should the blind plate of a raised-face flange not have its raised surface machined? - HCBBS Forum
57. Regarding the tools in the workshop - HCBBS Forum
58. Calculation of wall thickness for fiberglass-reinforced plastic mixing tanks - HCBBS Forum
59. 【Weekly Topic】【Storage & Transportation Version 20160329】 - HCBBS Forum
60. How is the insulation thickness for a water tank determined? - HCBBS Forum
61. Scaling and blockage in the sealed flush cooler - HCBBS Forum
62. Ensuring the quality of equipment can reduce production safety accidents - HCBBS Forum
63. Selection, calculation of control valves, adjustable ratio, etc - HCBBS Forum
64. Flue gas volume of 6m coke oven? - HCBBS Forum
65. Requirements for feeding into biogas digesters - HCBBS Forum
66. Summary of the Review to Gain New Insights series - HCBBS Forum
67. How to choose a coagulant for wastewater containing sand, clay, bacteria, and algae? What are the reasons and mechanisms behind this? - HCBBS Forum
68. 【Daily Question】 2016-04-08 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
69. Talking about something in the CBA – Why is it so difficult to appoint a coach for the Chinese national team! ? - HCBBS Forum
70. 【Daily Question No. 117】April 07, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
71. How are belt conveyor belts glued and manufactured? - HCBBS Forum
72. 【Weekly Topic】【Engineering Version 20160330】 - HCBBS Forum
73. In frustration - HCBBS Forum
74. The device is at its end; the article clears away the clouds - HCBBS Forum
75. Safety management system - HCBBS Forum
76. Solubility of ammonia in water (at different temperatures and pressures, such as 210°C, 1.2 MPaA) - HCBBS Forum
77. 【Daily Question】April 1, 2016: +2 Wealth for participation； +3 to 8 wealth for correct answers - HCBBS Forum
78. Please clarify the rules: “Do not post repeatedly.”” - HCBBS Forum
79. Traffic definition - HCBBS Forum
80. What determines the variation in frequency of a variable-frequency pump? - HCBBS Forum
81. Why is the length of the connecting rod in the MG welding torch for aluminum alloys long? - HCBBS Forum
82. Issues related to sulfur in coke gasification? - HCBBS Forum
83. Seeking guidance on acid-resistant treatment for boiler pipe wall surfaces - HCBBS Forum
84. Hiring part-time pipeline engineers - HCBBS Forum
85. How to regress the solubility of succinic acid in cyclohexanol using the NRTL equation in Aspen - HCBBS Forum
86. Water-coal slurry gasification - HCBBS Forum
87. If the outlet flow rate of a multi-stage centrifugal pump is much lower than its rated flow rate, what damage can this cause to the pump? - HCBBS Forum
88. 【Basic Knowledge of Occupational Health】– Tertiary Prevention - HCBBS Forum
89. How to reduce the pressure of high-pressure raw gas? - HCBBS Forum
90. I would like to ask some questions about PVELite - HCBBS Forum
91. 【Daily Topic】【Production Version 20160330】 - HCBBS Forum
92. Shifu Mei oxygen meter data - HCBBS Forum
93. I’m new to lead electrolysis and about to start working. I would like to ask the more experienced colleagues: is it necessary to add a base coat before applying electricity to the lead electrolyte? - HCBBS Forum
94. 【Visit】Here’s a simple question to test everyone - HCBBS Forum
95. 【Micro-fiction】Friendship Level - HCBBS Forum
96. Heavy oil boiler - HCBBS Forum
97. Issues related to Linde cryogenic methanol washing - HCBBS Forum
98. UV wood paint - HCBBS Forum
99. Questionnaire on Corrosion Issues in MTBE/Butene Plants - HCBBS Forum
100. 【Daily Question】March 31, 2016: Fill-in-the-blank question. The hazards of liquefied petroleum gas include ( ), ( ), ( ) - HCBBS Forum