English — Forum #723 (Page 343/642)

1. Regarding the adjustment of diesel specifications? - HCBBS Forum
2. 【EHS Section】Summary of 2016 “Basic Knowledge” Post Campaign - HCBBS Forum
3. Hydrogen injection water temperature - HCBBS Forum
4. Sealing design of acetonitrile storage tank - HCBBS Forum
5. 【Operations Team】February 2016 Salaries - HCBBS Forum
6. “Haichuan Irrigation Co., Ltd. Convenience Store” 259: The New Year is almost here; shouldn’t the guys go back now? - HCBBS Forum
7. 【Joint Study*】【Electrical Version 20160227】 - HCBBS Forum
8. Has there been any research on the wax oil produced from shale oil? - HCBBS Forum
9. Use HTRi for heat exchanger design - HCBBS Forum
10. 【Joint Study*】【Electrical Version 20160225】 - HCBBS Forum
11. What are the prices of MOGUS and ARGUS metal hard-sealed ball valves with a diameter of DN300 and a pressure rating of 600LB? Which one is better? - HCBBS Forum
12. 【Joint Study*】【Electrical Version 20160223】 - HCBBS Forum
13. Are circular electric flap doors and electric butterfly valves the same thing? - HCBBS Forum
14. (Translation) Viewing Safety Management through the “Refrigerator Warehouse Incident” - HCBBS Forum
15. One-time reward special post for annual VIP members - HCBBS Forum
16. Zibo Yida Water Pump Energy Saving Service Company - HCBBS Forum
17. What are the refrigerant and heat transfer fluid in low-temperature distillation? How is it controlled? - HCBBS Forum
18. Does an imported electric control valve need to be pressurized before installation? - HCBBS Forum
19. Was there any unit design for sodium-process bleaching powder and chlorosulfonic acid? - HCBBS Forum
20. Regarding the protection of signal cables between split-type instrument transmitters and probes - HCBBS Forum
21. Oil products · Composition - HCBBS Forum
22. 【Daily Topic】【Quality Version 20160225】 - HCBBS Forum
23. Regarding the question of whether the safety distance can be reduced - HCBBS Forum
24. What to do if the impeller of a shielded pump is damaged? - HCBBS Forum
25. Is it necessary to install a safety valve at the outlet of the Roots blower? - HCBBS Forum
26. Are there any fire-resistant armored instrument control cables available? - HCBBS Forum
27. Large mother liquor pump in the ammonium sulfate section - HCBBS Forum
28. What are the models of wear-resistant slurry pumps? - HCBBS Forum
29. Can the Yamaki STC transmitter be calibrated online? - HCBBS Forum
30. Should valves be installed on the pipelines from the acidic water tank to the water seal tank, and from the lean amine liquid tank to the water seal tank? - HCBBS Forum
31. 【Daily Question】Chemical Engineering Principles 328: Carbon Remover (February 26) - HCBBS Forum
32. Methanol Section: One Question per Day – Material Knowledge, 2016.03.01 - HCBBS Forum
33. The protection rating issue of surface-mounted level switches - HCBBS Forum
34. There’s a problem that has been troubling me greatly lately; I hope the experts here can help me figure it out - HCBBS Forum
35. 【Weekly Question】March 1–3, 2016: Participate for +2 wealth； +3 to +10 wealth for correct answers - HCBBS Forum
36. Exchange with transformation technology manufacturers (preparation for new coal-to-gas project) - HCBBS Forum
37. Frequent fluctuations in the 600,000-ton catalytic stripping section of the coaxial system - HCBBS Forum
38. The oil leakage between the flanges of the heavy oil line has occurred several times; how should this be dealt with? - HCBBS Forum
39. The inlet of the oil and gas tower is blocked – how to fix it? - HCBBS Forum
40. 【Basic Knowledge Activity】In the petrochemical industry, how is the ductility index expressed as part of the \"basic knowledge\"? - HCBBS Forum
41. Post #1560697
42. In the Zhejiang University Zhongkong JX-300XP system, how are the times of each valve opening and closing recorded in the reports? - HCBBS Forum
43. 【Daily Question】February 29, 2016: +2 wealth for participation； +3 to 8 wealth for correct answers - HCBBS Forum
44. The pressure difference in the vaporization tower is gradually increasing; how can this difference be reduced without shutting down the plant? - HCBBS Forum
45. Types of forging repairs - HCBBS Forum
46. 【Weekly Topic】【Storage & Transportation Edition 20160301】 - HCBBS Forum
47. Two perspectives on the market: Significant capital inflows, with stocks in key theme areas also seeing strong performance - HCBBS Forum
48. Installation method of the water seal tank following the catalytic flue gas turbine - HCBBS Forum
49. Reasons for damage to the U-tube of steam heaters and troubleshooting methods - HCBBS Forum
50. 【Daily Topic】【Electrical Edition 20160229】 - HCBBS Forum
51. Sign-in record post from February 24, 2016 - HCBBS Forum
52. What card spacing should be used for the mixing tank area? - HCBBS Forum
53. What material is suitable for the doors of gas cylinder rooms? - HCBBS Forum
54. Environmental protection and energy conservation and emission reduction - HCBBS Forum
55. There is a leak at the inlet of the black water pipe due to the high flash point of the Texaco gasification slag water – can operations continue? - HCBBS Forum
56. 【Daily Question】Petroleum Pretreatment Section 2016-02-26 Multiple-choice Question: During normal operation, pressure is applied to the casing - HCBBS Forum
57. For hydrogen used in gas chromatographs, which is better: a generator or a cylinder? What are the advantages and disadvantages of each? - HCBBS Forum
58. About the daily question - HCBBS Forum
59. Design qualification for petroleum refining plants - HCBBS Forum
60. Support idlers and braking of conveyor belts - HCBBS Forum
61. Will Liaoning sweep through Guangdong? - HCBBS Forum
62. Example of the VSCRUB module for gas-solid separation in Aspen simulation - HCBBS Forum
63. Cladding and Heat Treatment 1 - HCBBS Forum
64. 【Daily Topic】【Quality Version 20160223】 - HCBBS Forum
65. 【Basic Knowledge of Occupational Health】Summary Post on Basic Definitions - HCBBS Forum
66. DCS system - HCBBS Forum
67. Sign-in record post from February 23, 2016 - HCBBS Forum
68. How to deal with leaks in alkylated mechanical seals - HCBBS Forum
69. Querying temperature data in the Internet era - HCBBS Forum
70. Residual adsorption capacity of molecular sieve - HCBBS Forum
71. Yokogawa CS3000 issues - HCBBS Forum
72. Why can’t you drive too slowly on the highway? - HCBBS Forum
73. 【Daily Question No. 127】March 4, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
74. 【Shandong】I’ve seen posts recently saying that chemical engineering design institutes are moving to Qingdao – is that true? Is it an emerging trend? - HCBBS Forum
75. Internal leakage of safety valve - HCBBS Forum
76. 【Daily Question No. 90】February 25, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
77. How to remove free chlorine in acids using ion-exchange membrane high-purity salts - HCBBS Forum
78. Assuming an absolute vacuum (-0.1 MPa) is created with a pump, what diameter of water droplets can be drawn in? - HCBBS Forum
79. The acidic water vapor stripping heat exchanger has poor performance - HCBBS Forum
80. The Ministry of Environmental Protection has officially accepted the second environmental impact assessment for Xintian coal-to-gas project - HCBBS Forum
81. Becoming a PM - HCBBS Forum
82. I would like to ask if other chemical plants have encountered similar situations? - HCBBS Forum
83. Regarding chloride ions and chlorine gas - HCBBS Forum
84. Can all the released materials be found at external link addresses? - HCBBS Forum
85. Standards for salt content in wastewater discharge - HCBBS Forum
86. Combined production of acid from sulfur and hydrogen sulfide - HCBBS Forum
87. Flange standards - HCBBS Forum
88. Wastewater treatment - HCBBS Forum
89. How to determine pipe materials based on fluid information when conditions are limited - HCBBS Forum
90. 【Weekly Topic】【HVAC Edition 20160303】 - HCBBS Forum
91. The Bentley vibration transmitter outputs less than 4 milliamps, and the value is negative - HCBBS Forum
92. Adding an air hammer – I’m not sure if it belongs in this category - HCBBS Forum
93. 【Daily Question】Petroleum Pretreatment Section, 2016-02-22, Fill-in-the-blank question - HCBBS Forum
94. Slurry recycle rate to the tower - HCBBS Forum
95. Issues of equipment corrosion in glyphosate production - HCBBS Forum
96. I’ve finally reached the 5th grade at Hai Chuan Primary School - HCBBS Forum
97. 【Daily Question】March 1, 2016: +2 Wealth for participation； +3 to 8 wealth for correct answers - HCBBS Forum
98. Structural characteristics of biodegradable water-based polyurethanes - HCBBS Forum
99. What weights are suitable for periodic verification of electronic balances? - HCBBS Forum
100. How to simulate water-gas desulfurization using Aspen? - HCBBS Forum