English — Forum #723 (Page 255/642)

1. Discussion on the Real Questions of Registered Chemical Engineering 2010 - HCBBS Forum
2. How to use a barreled pure water equipment? ? - HCBBS Forum
3. **Requirements for painting color when transporting chemical horizontal cylinders - HCBBS Forum
4. The current situation of urea manufacturers and how to find a way forward - HCBBS Forum
5. Waste gas methanol absorption - HCBBS Forum
6. Maximum processing capacity of the packed tower - HCBBS Forum
7. PRO2 simulated naphtha distillation column - HCBBS Forum
8. Degree of frosting on the sealing discharge coiling tube of the liquid oxygen pump - HCBBS Forum
9. Are the office buildings of chemical plants considered civil buildings? - HCBBS Forum
10. 18- Multi-factor cyclone mother-son separation dust collector for post-treatment of flue gas from waste salt and waste alkali incinerators, using bag filters and electrostatic precipitators - HCBBS Forum
11. What browser is best for using the forum? - HCBBS Forum
12. 【Daily Question No. 148】May 24, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
13. Unorganized emissions (t/a) - HCBBS Forum
14. Steam turbine - HCBBS Forum
15. Testing of API 6D hard-sealed ball valves - HCBBS Forum
16. Distillation column pressure control method - HCBBS Forum
17. Technical staff from production areas apply for seiluobin - HCBBS Forum
18. 【Daily Judgment NO14】May 22, 2016 - HCBBS Forum
19. What is the approximate workforce for an ethylene plant with a production capacity of 1 million tons per year? - HCBBS Forum
20. National Nutrition Week: How do the people of Haichuan eat? - HCBBS Forum
21. Regarding the startup of the main catalytic cracking fan unit - HCBBS Forum
22. Gas conversion, cubic meters to mass - HCBBS Forum
23. Change of storage medium in refined oil storage tanks - HCBBS Forum
24. About screw pumps - HCBBS Forum
25. Gas production per unit volume of biogas digesters - HCBBS Forum
26. Sign-in record post from May 21, 2016 - HCBBS Forum
27. How should the range of the vacuum pressure gauge at the suction port of a screw pump be selected? - HCBBS Forum
28. Those who have a clear definition of pressure pipelines, please come in – determine whether it constitutes a pressure pipeline! - HCBBS Forum
29. 【Picture of the Day】2016 05 26 What are the components of the device in this picture? - HCBBS Forum
30. Temperature of the pump bearing cover - HCBBS Forum
31. Dry gas seal principle inspection and maintenance - HCBBS Forum
32. 【Daily Topic】【Electrical Edition 20160527】 - HCBBS Forum
33. I would like to ask everyone about the choice between barrel furnaces and tubular furnaces in oil field heating furnaces - HCBBS Forum
34. Could anyone tell me something about pearlescent sand, its functions, areas of application, and so on? - HCBBS Forum
35. Emulsification of the working fluid during hydrogen peroxide production - HCBBS Forum
36. What should I do if a household self-priming pump has a metallic taste in the water it pumps each time? - HCBBS Forum
37. The field of coal utilization in China is on the verge of producing countless Nobel Prizes! - HCBBS Forum
38. What is the leakage rate of a mechanical seal? - HCBBS Forum
39. Anecdotes about famous figures: “Qian Zhongshu” or “Qian Zhongshu”? - HCBBS Forum
40. 【Daily Topic】【Engineering Version 20160520】 - HCBBS Forum
41. Determination of total phosphorus in circulating water and boiler water - spectrophotometric method - HCBBS Forum
42. Cetane number boosters for hydrogenated diesel - HCBBS Forum
43. I haven’t updated my status in a long time - HCBBS Forum
44. CV value - HCBBS Forum
45. High-pressure liquid ammonia pump units to break import dependence - HCBBS Forum
46. A calm heart once again stirred with waves - HCBBS Forum
47. Are fluorinated-lined valves resistant to negative pressure? - HCBBS Forum
48. Magnetostrictive level gauge brands - HCBBS Forum
49. Heat transfer oil boiler high-level tank - HCBBS Forum
50. Relationship between pressure inside the pipe and flow velocity - HCBBS Forum
51. Design and selection of pressure pipelines for propylene carbonate - HCBBS Forum
52. Basic Knowledge of Plate Heat Exchanger Units (I) - HCBBS Forum
53. Several issues in the design for chlorine gas absorption in accidents - HCBBS Forum
54. What are the differences between unified steel grades based on different standards? - HCBBS Forum
55. 【Picture of the Day】2016 05 18 What is the device in this picture? Does anyone know? - HCBBS Forum
56. What is the job category for a welder’s certificate? - HCBBS Forum
57. 【Purification Daily Question】May 27, 2016 - HCBBS Forum
58. Process for producing methyl formate by methanol carbonylation - HCBBS Forum
59. Precautions for the maintenance of plate heat exchangers - HCBBS Forum
60. 【Basic Knowledge of Water Treatment】Common Issues with Filling the Salt Tank in Water Softening Equipment - HCBBS Forum
61. What are the requirements for chlor-alkali PO transfer pumps? - HCBBS Forum
62. Low pump displacement - HCBBS Forum
63. Is it necessary to affix a stamp certifying pressure vessel design approval on the construction drawings of pressure vessels that are not subject to the inspection requirements of the Fixed Capacity Regulations? - HCBBS Forum
64. A Person’s Rainy Night - HCBBS Forum
65. Shanghai ASPENTECH is recruiting chemical software testing engineers - HCBBS Forum
66. Treatment of by-products salts from salt recovery in gas desulfurization processes - HCBBS Forum
67. 25% concentration sodium hydroxide alkaline solution – issues with the medium used for shutdown purging - HCBBS Forum
68. When drying, how to determine the saturation humidity given the wet-bulb temperature? - HCBBS Forum
69. Problems with high-speed pump seals - HCBBS Forum
70. 【Weekly Topic】【 Quality Version 20160527】 - HCBBS Forum
71. 【Daily Topic】【Electrical Edition 20160522】 - HCBBS Forum
72. Is it necessary to conduct a foundation settlement test before putting an 80-liter LPG horizontal tank into use? - HCBBS Forum
73. 【Daily Topic】【Engineering Version 20160523】 - HCBBS Forum
74. CAD layout diagram of single-furnace dual-tower industrial naphthalene production equipment - HCBBS Forum
75. On the issue of ammonia-based HPF desulfurization - HCBBS Forum
76. Regarding the issues with the instrument panel signals! - HCBBS Forum
77. Weekly Topic: Principles for controlling the temperature of water coolers and what factors affect their performance? 2016.5.23--5.29 - HCBBS Forum
78. Environmental Protection Tip of the Day 5.22: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
79. Polypropylene Basell Spherizone (MZCR) process flow - HCBBS Forum
80. Design of reactive distillation columns - HCBBS Forum
81. What specifications are used to limit the size of ultra-large equipment for road transport? - HCBBS Forum
82. Can the steam pressure be adjusted from 0.6MPA to 0.3MPA using a pressure reducing valve or a globe valve? ? ? Urgent! Urgent! Urgent! ! - HCBBS Forum
83. The company’s car has been parked there for over a year - HCBBS Forum
84. Problems with saving in HYSYS 8.0 - HCBBS Forum
85. Differences between sulfuric acid and smelting acid - HCBBS Forum
86. Shanghai City Class D Pressure Vessel Certification Exam - HCBBS Forum
87. The two main features of heat exchange units - HCBBS Forum
88. What is the relationship between ITCC, 3500, and Tricon? - HCBBS Forum
89. The function of the spray water - HCBBS Forum
90. Who knows which manufacturers produce good online noise monitors? - HCBBS Forum
91. 【Daily Topic】【Civil Engineering Version 20160528】 - HCBBS Forum
92. Guanghui Energy Co., Ltd. – Sinochem Corporation (Xi’an Office) - HCBBS Forum
93. Why measure vibration displacement for large-scale units - HCBBS Forum
94. Basic Knowledge – Basic Knowledge of Inorganic Chemistry 09 - HCBBS Forum
95. How to handle the ethanol discharged by the safety valve on the top of an alcohol distillation pressurized tower in case of an accident - HCBBS Forum
96. I have a question regarding the mechanism of action of the Texaco gray water dispersion scale inhibitor - HCBBS Forum
97. n-Pentane isomerizes to isopentane - HCBBS Forum
98. Does anyone know which company designed the PVA project of Inner Mongolia Mengwei Technology? - HCBBS Forum
99. Questions about conduit lighting - HCBBS Forum
100. Superheated steam to heat air - HCBBS Forum