English — Forum #723 (Page 201/642)

1. Preliminary report on biogas production from pig and sheep manure and their mixed fermentation - HCBBS Forum
2. Should the safety valves on the circulating water pipeline be operated one at a time with another as a backup? - HCBBS Forum
3. The difference between 5S butt welding and 10S butt welding - HCBBS Forum
4. Regarding the lower limit of operating temperature for container panels - HCBBS Forum
5. 【Daily Topic】【Electrical Edition 20160722】 - HCBBS Forum
6. In Aspen, when molten salt is used as the heating medium, how are its physical properties defined? - HCBBS Forum
7. Questions regarding adjacency in GB50016 - HCBBS Forum
8. 【Xiao An Comics】 Have you ever seen such a safety officer? - HCBBS Forum
9. 【Weekly Topic】【Quality Version 20160720】 - HCBBS Forum
10. I would like to learn more about UOP’s stacking units; I have a few questions - HCBBS Forum
11. Sign-in record post from July 20, 2016 - HCBBS Forum
12. Selection of bearing material - HCBBS Forum
13. Stall torque and starting torque of three-phase asynchronous motors - HCBBS Forum
14. What should you do when you encounter such a leader? - HCBBS Forum
15. 【Daily Topic】【Electrical Edition 20160720】 - HCBBS Forum
16. Flange classification, types, and codes - HCBBS Forum
17. Emerson UPS Power Supply Manual - HCBBS Forum
18. I have a question: are there any standard regulations stating that liquid ammonia tanks cannot be buried under soil, and that the burial distance cannot be reduced by half? - HCBBS Forum
19. How exactly can HaiChuan be upgraded? - HCBBS Forum
20. Job selection - HCBBS Forum
21. 【Weekly Topic】【Quality Version 20160721】 - HCBBS Forum
22. HIMA ELOP II configuration - HCBBS Forum
23. Shanxi Quansheng Industrial Co., Ltd.’s new coal-based ethylene glycol production project with an annual capacity of 1.2 million tons (400,000 tons in the first phase) - HCBBS Forum
24. Composite pressure vessels at atmospheric pressure - HCBBS Forum
25. What to do when life is full of difficulties - HCBBS Forum
26. Intelligent optimization of distillation units - HCBBS Forum
27. What is the process of washing organic substances with methanol? - HCBBS Forum
28. Selection of material for instrument electrical cable trays - HCBBS Forum
29. Under what conditions does EPDM harden? - HCBBS Forum
30. 【Daily Judgment NO.62】July 20, 2016 - HCBBS Forum
31. How to deal with deflection in Lindata? - HCBBS Forum
32. 【Q&A Question 098】2016.07.27 - HCBBS Forum
33. Views on chemical pollution - HCBBS Forum
34. Recycling of secondary steam from the blowdown expansion vessel - HCBBS Forum
35. [Q&A Question 092] 2016.07.21 - HCBBS Forum
36. Catalytic continuous reforming, UOP’s third-generation technology – who can provide measures for dealing with the situation where the reforming cycle hydrogen supply is interrupted and the process cannot be restarted? - HCBBS Forum
37. Why can’t upflow reactors completely replace fixed-bed reactors? - HCBBS Forum
38. The Jinnan Tianqing Coal Chemicals coal-to-natural gas project is set to go into operation soon - HCBBS Forum
39. What is the current maximum processing capacity for restructuring? - HCBBS Forum
40. 【Daily Topic】【Production Version 20160715】 - HCBBS Forum
41. The misalignment issue at DN 65 - HCBBS Forum
42. Daily Question, July 20, 2016 (EIA Discussion): 3 Wealth points as a reward for replying, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
43. Flow rate of flammable and explosive gas vent pipes - HCBBS Forum
44. The answers to the simulation questions in Tianjin University’s version of the Note Chemistry Review **tutorial** are incorrect - HCBBS Forum
45. Positive factors support further gains in the PVC market - HCBBS Forum
46. Are gloves required for carbon dioxide fire extinguishers? - HCBBS Forum
47. Seeking recommendations for brands of inlet valves for power plants - HCBBS Forum
48. Who has the electronic version of HG/T20256-2016 General Technical Specifications for High-Pressure Chemical Piping? Thank you - HCBBS Forum
49. Help, there’s an issue with the do output - HCBBS Forum
50. Which district do I belong to? - HCBBS Forum
51. [Q&A Question 091] 2016.07.20 - HCBBS Forum
52. Liquid presence at the outlet of the liquid separation tank in wet screw compressors - HCBBS Forum
53. Comparison of slide valve control valves with straight-through single-seat valves - HCBBS Forum
54. What is the laying spacing between the power cable and the instrument cable for a 380V electric valve? In a superior position - HCBBS Forum
55. Urgently seeking technologies for purifying carbon monoxide from syngas - HCBBS Forum
56. Regeneration tower problem - HCBBS Forum
57. The top of the distillation tower has high heat, while the bottom has low heat - HCBBS Forum
58. Problems during the commissioning of MTO product gas compressors - HCBBS Forum
59. Bio-oil is produced under high-temperature pyrolysis; further separation and processing techniques are sought! - HCBBS Forum
60. Vulcanizing agent dimethyldisulfide - HCBBS Forum
61. 【Q&A Question 097】2016.07.26 - HCBBS Forum
62. Seven years of experience in catalytic cracking and fractionation in state-owned enterprises, three years of experience in the operation of propane dehydrogenation units - HCBBS Forum
63. What exactly is the size of the bore of a DBB valve, which is 1"? - HCBBS Forum
64. 【Daily Topic】【HVAC Version 20160721】 - HCBBS Forum
65. Air Liquide China won the “2016 Outstanding Brand Image” award at the 5th China Finance and Economics Summit - HCBBS Forum
66. Non-stop regeneration technology for synthetic heat transfer oil - HCBBS Forum
67. Selection of fluid flow direction in heat exchangers - HCBBS Forum
68. Could someone tell me under what circumstances a F1 floating valve tower requires diameter modification? - HCBBS Forum
69. Why are the inlets of cyclone separators usually square? - HCBBS Forum
70. 【Daily Topic】【Engineering Version 20160719】 - HCBBS Forum
71. Hydrogen-facing system - HCBBS Forum
72. hydrocracking - HCBBS Forum
73. It is said that Alfa Laval acquired the plate heat exchanger business of Chuan Te - HCBBS Forum
74. Environmental Protection Daily Tip – July 19: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
75. Hydraulic inversion scheme for hydraulic oil storage tanks - HCBBS Forum
76. 【Daily Question】Deep Processing 20160729: What is “cooling”? - HCBBS Forum
77. Weighing sensor - HCBBS Forum
78. Heat exchanger tube bundle technical agreement - HCBBS Forum
79. The turbidity of the water leaving the secondary sedimentation tank increases suddenly, the settling ratio in the aerobic tank drops abruptly, and there are many bubbles on the surface of the water in the aerobic tank – what’s the cause? - HCBBS Forum
80. Eligibility criteria for exemption from chemical engineering registration exams - HCBBS Forum
81. New technologies for glyphosate formulations - HCBBS Forum
82. 【Daily Topic】【Civil Engineering Version 20160727】 - HCBBS Forum
83. Analysis of human unsafe behaviors in chemical production - HCBBS Forum
84. How to reduce the catalytic fuel-to-air ratio? - HCBBS Forum
85. Optimize signal transmission in systems such as DCS - HCBBS Forum
86. What are the uses of cyclohexanecarboxylic acid? - HCBBS Forum
87. 【Weekly Topic】Discussion on the grate issues in fixed-bed gasifiers - HCBBS Forum
88. Advantages of active zinc oxide over regular zinc oxide - HCBBS Forum
89. 【Daily Topic】【Engineering Version 20160714】 - HCBBS Forum
90. Daily Question 2016.7.21 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
91. Selection of valve materials - HCBBS Forum
92. CAD 2008 freezes when using the tr command; how to fix it? - HCBBS Forum
93. Environmental Protection Daily Post – July 15: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
94. Absolute pressure Pw discharged by the safety valve - HCBBS Forum
95. 【Daily Topic】【Electrical Edition 20160719】 - HCBBS Forum
96. May a centralized power distribution room or control room be installed in a regular industrial facility (such as a membrane production workshop)? ? - HCBBS Forum
97. Siemens PLC control - HCBBS Forum
98. The environmental impact assessment report for the Mengxi Energy coal-to-polyolefins project has officially been approved by the **Ministry of Environmental Protection** - HCBBS Forum
99. Those who have attended the training courses for process responsibility engineers organized by the China Chemical Equipment Industry Association, what are your thoughts? - HCBBS Forum
100. How to extinguish a fire in a device safely and effectively? - HCBBS Forum