English — Forum #723 (Page 326/642)

1. 【Coal Chemicals Area】February 2016 Postmaster Salary Payment Thread - HCBBS Forum
2. 【Weekly Topic】【HVAC Edition 20160311】 - HCBBS Forum
3. The CAESAR video for beginners has started! - HCBBS Forum
4. Selection differentiation of sensors and transmitters - HCBBS Forum
5. 【Daily Question】March 11, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
6. Several technical methods for repairing corrosion-resistant and wear-resistant pumps - HCBBS Forum
7. Is seawater used as the medium for the condenser tube material B10? - HCBBS Forum
8. Sign-in record post from March 8, 2016 - HCBBS Forum
9. Process flow diagram - HCBBS Forum
10. How can English beginners overcome difficulties in learning English - HCBBS Forum
11. Polymerization reactor temperature adjustment - HCBBS Forum
12. 【Joint Study*】【Civil Engineering Version 20160311】 - HCBBS Forum
13. Overpressure in the seal fluid tank of a centrifugal pump with series mechanical seals - HCBBS Forum
14. Selection of pump motor power - HCBBS Forum
15. Breather valve leakage - HCBBS Forum
16. Newbie asking about the calculation of energy and water consumption for coolers! ! ! - HCBBS Forum
17. The future of polyester fibers - HCBBS Forum
18. Leakage of fluorine in the Donhambusch freezer - HCBBS Forum
19. On the second day of February, when the dragon raises its head, are you getting your hair cut? - HCBBS Forum
20. How is the plastic lining thickness for equipment and pipelines determined step by step? - HCBBS Forum
21. One Question per Day on Synthetic Ammonia (Series 37) - HCBBS Forum
22. Propane dehydrogenation process - HCBBS Forum
23. Process treatment issues - HCBBS Forum
24. Multi-effect evaporation calculation method - HCBBS Forum
25. 【Daily Question】 Hydrogenation Sector 2016-03-08 Multiple Choice Question - HCBBS Forum
26. Methanol Weekly Topic: What are the components of the gas entering the synthesis tower, and how can yield be increased? 2... - HCBBS Forum
27. Seek manufacturers with advantages in throttle valves and electric gate valves - HCBBS Forum
28. Cylinder collar connection - HCBBS Forum
29. Environmental accidents in petrochemical enterprises - HCBBS Forum
30. Inspection Report of the Patrol Team in February 2016 - HCBBS Forum
31. 【Daily Topic】【Quality Version 20160310】 - HCBBS Forum
32. 【Daily Question】 Hydrogenation Sector 2016-03-09 Multiple Choice - HCBBS Forum
33. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 463 - HCBBS Forum
34. Seeking cooperation to develop overseas engineering design work; familiar with foreign engineering design processes and skilled in preparing relevant design documents - HCBBS Forum
35. Why are the COD levels of both the inlet and outlet water high in electrodialysis? - HCBBS Forum
36. 【Daily Topic】【Electrical Edition 20160314】 - HCBBS Forum
37. Aspen, seeking data on the composition of industrial propane~~~ - HCBBS Forum
38. 8 years of experience in instrumentation-related jobs - HCBBS Forum
39. CFB dry desulfurization technology - HCBBS Forum
40. Sinopec Qingdao Refining & Chemical Hydrogenation Unit - HCBBS Forum
41. How to translate flow line, trunk line, transfer line, and export pipeline? - HCBBS Forum
42. 【Weekly Topic】【Engineering Version 20160310】 - HCBBS Forum
43. Self-checking float level controller - HCBBS Forum
44. Seeking advice on the design of circular flat covers with circumferential reinforcement ribs using bolted connections - HCBBS Forum
45. Contract models for engineering projects - HCBBS Forum
46. For coking preheating, what type of pump should be used for oil transfer – a steam reciprocating pump or a screw pump? What are their advantages and disadvantages? ? - HCBBS Forum
47. 【Daily Question No. 100】March 10, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
48. Sign-in record post from March 9, 2016 - HCBBS Forum
49. 7- The feather leaf separator demister is used in the inlet section design of the PSA hydrogen recovery system in DCC/FCC units - HCBBS Forum
50. “Haichuan Irrigation Co., Ltd. Convenience Store” 298 Haichuan: Can Haoyou go there together for an outing? - HCBBS Forum
51. 【Daily Question】3.9 Multiple-choice question: The key points of first aid in case of electric shock are ( ). - HCBBS Forum
52. Why are catalytic devices so dirty and worn out? - HCBBS Forum
53. How to clean Pall ring packing? - HCBBS Forum
54. Boiling point of solutions at different concentrations - HCBBS Forum
55. Help: What skills should a qualified electrical engineer possess? - HCBBS Forum
56. Can pure oxygen be introduced into the furnace at the inlet of the exhaust fan to increase the oxygen content and achieve complete combustion? - HCBBS Forum
57. Selection of steam flow meters - HCBBS Forum
58. Under what circumstances should low-leakage valves be used? - HCBBS Forum
59. Among water ring vacuum pumps, steam pumps, and water pumps, which one has the best vacuum-pumping performance? - HCBBS Forum
60. There are four main categories of containers, and none of them are truly outstanding at the moment; what is the future for those working in the chemical industry after 2 years? - HCBBS Forum
61. Caesar linear expansion coefficient - HCBBS Forum
62. Jilin Haohai Tianji Technology Co., Ltd.’s annual biogas-to-natural gas project - HCBBS Forum
63. Manufacturers of complete municipal sewage treatment systems - HCBBS Forum
64. 【Joint Study*】【Civil Engineering Version 20160316】 - HCBBS Forum
65. Does anyone know the relationship between the power of YL smokers and the diameter of their wheels? - HCBBS Forum
66. Liquid ammonia prices are rising again - HCBBS Forum
67. 【Joint Study*】【Electrical Version 20160309】 - HCBBS Forum
68. 【Alkylation】Alkylation - HCBBS Forum
69. What kind of flow meter is this (additional image)? - HCBBS Forum
70. 2016.03.14 Summary of prices for products related to the sulfuric acid industry - HCBBS Forum
71. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 262 - HCBBS Forum
72. Using SW6, the calculated value differs significantly from the thickness specified in the design - HCBBS Forum
73. Calculation of multi-effect evaporation - HCBBS Forum
74. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 464 - HCBBS Forum
75. Instrument tag number - HCBBS Forum
76. Issues regarding single-point calibration of thermal mass flow meters - HCBBS Forum
77. Case Analysis (9): How do you make the decision? - HCBBS Forum
78. Maintenance of tank roof vent valves - HCBBS Forum
79. How do I accumulate wealth points, huh??? - HCBBS Forum
80. 2015 Level 1 Certified Fire Engineer – Technical Practice 11-12 - HCBBS Forum
81. Environmental Protection Daily Tip 3.09: Reward for participation is 5 points, plus another 5 points for answering correctly - HCBBS Forum
82. Emergency response plan for purification and ammonia synthesis plant accidents - HCBBS Forum
83. Project for the comprehensive utilization of waste gases from ammonia synthesis systems to produce CNG - HCBBS Forum
84. Why can’t I download the attachment now? - HCBBS Forum
85. 【Chemical Industry News】New atmospheric and vacuum distillation unit put into operation - HCBBS Forum
86. 【Joint Study*】【Electrical Version 20160312】 - HCBBS Forum
87. Shielded pump bearing wear - HCBBS Forum
88. 【Weekly Topic】【Storage & Transportation Edition 20160310】 - HCBBS Forum
89. Which domestic brand offers the best pH meters with flow cells? - HCBBS Forum
90. I have been promoted to deputy chief editor; please give me your support! - HCBBS Forum
91. Why is the pH of the liquid at the bottom of the exhaust gas scrubber tower in the low-temperature methanol wash unit between 4 and 6? - HCBBS Forum
92. How is the ethanol content in the exhaust gas from the ethanol venting system calculated? - HCBBS Forum
93. Rural biogas development and subsidy policies in 2015 - HCBBS Forum
94. Occupational Health Daily Question 3.9: Participate for a prize; 5 correct answers and another prize will be given - HCBBS Forum
95. I have a question about steam generators and would like to ask the experts here - HCBBS Forum
96. A post-90s individual who has been feeling lost after two years of working, hoping to find a way out... - HCBBS Forum
97. Aromatic extraction unit: water transportation and oil transportation. - HCBBS Forum
98. Which manufacturer makes good gas generators? - HCBBS Forum
99. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 267 - HCBBS Forum
100. Buried liquefied petroleum gas storage tank - HCBBS Forum