English — Forum #723 (Page 303/642)

1. Regarding perforated reinforcement - HCBBS Forum
2. DCS system hardware devices - HCBBS Forum
3. Slow progress; the PVC market continues to decline due to weak demand - HCBBS Forum
4. How to choose boiler pipeline materials - HCBBS Forum
5. Sign-in record post from April 8, 2016 - HCBBS Forum
6. How can one exercise self-control in such a situation? Urgent! Urgent! Urgent! ! ! ! - HCBBS Forum
7. Is pickling and passivation waste liquid considered hazardous waste? How to deal with it? - HCBBS Forum
8. Chemical engineering design – Simulation of a quench tower, dry bed occurrence - HCBBS Forum
9. Sign-in record post from April 7, 2016 - HCBBS Forum
10. Cause analysis of steam heater leakage - HCBBS Forum
11. Gymnastics coaches and safety supervisors – some insights from my work! ! - HCBBS Forum
12. The search function is really poor these days - HCBBS Forum
13. Microwave-assisted catalysis - HCBBS Forum
14. Kettle reboiler - HCBBS Forum
15. What is the difference between thermal pipelines and power pipelines? - HCBBS Forum
16. Guided wave radar level gauge Recommended - HCBBS Forum
17. Solar biogas project - HCBBS Forum
18. Take the change in heat load - HCBBS Forum
19. Analysis of technical upgrades for atmospheric and vacuum distillation units: Energy consumption analysis of switching from multi-stage steam jet pumps to steam jet pumps + liquid ring vacuum pumps [ - HCBBS Forum
20. Static electricity bonding of oxygen pipelines - HCBBS Forum
21. Finland builds world’s largest biogas power plant - HCBBS Forum
22. Methanol cracking equipment - HCBBS Forum
23. Remote control of valves - HCBBS Forum
24. Discussion on the use of ground flares in refineries! - HCBBS Forum
25. 【Weekly Topic】【HVAC Version 20160406】 - HCBBS Forum
26. Case Study (21): Who should cover their work-related injury insurance? - HCBBS Forum
27. Takeover of local stress calculation - HCBBS Forum
28. A newcomer seeking advice from everyone** - HCBBS Forum
29. 【Episode 6 of the 2016 Family Debate Series】Once wealthy, should one forget old friends? - HCBBS Forum
30. One Question per Day on Synthetic Ammonia (Series 57) - HCBBS Forum
31. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 279 - HCBBS Forum
32. Does a multi-pass heat exchanger include a double pass? - HCBBS Forum
33. There is a batch of recycled material that, upon testing, contains potassium chloride at a concentration of around 8%; it can be used as a fertilizer. - HCBBS Forum
34. 【Daily Question No. 149】April 06, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
35. Methanol Section: One Question per Day. What are the safety devices of waste heat boilers or drum boilers and what are their functions? 2016.04.10 - HCBBS Forum
36. What does the maximum leakage rate of a centrifugal compressor mean? - HCBBS Forum
37. I need to understand the flow meters and control valves used in atmospheric and vacuum distillation; please help - HCBBS Forum
38. 【Daily Question No. 114】March 30, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
39. 【Chemical Industry News】What products are produced through the deep processing of petroleum products, and which ones offer the best returns? - HCBBS Forum
40. Regarding single-flange capillary gauge pressure transmitters and ordinary pressure transmitters - HCBBS Forum
41. 【MTBE】MTBE thermal bypass - HCBBS Forum
42. Problems with BCH compressor commissioning - HCBBS Forum
43. How often should the coal slurry burner valve be replaced? - HCBBS Forum
44. 【Daily Question No. 148】April 5, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
45. How to use ethanolamine to purify biogas? - HCBBS Forum
46. What is a suitable sludge settling ratio for biological contact oxidation tanks? Thank you - HCBBS Forum
47. How many of these chemical companies do you know? - HCBBS Forum
48. sulfur - HCBBS Forum
49. What other substances can be used for sulfiding pre-hydrogenated iron-molybdenum catalysts besides CS2? - HCBBS Forum
50. Environmental Protection Daily Post 4.09: Reward for participation is 5 points, plus another 5 points for answering correctly - HCBBS Forum
51. 【Daily Question】April 6, 2016: +2 wealth for participation； +3 to 8 wealth for correct answers - HCBBS Forum
52. NB/T 47014 does not specify a range for the thickness of the surfacing layer in terms of corrosion resistance evaluation - HCBBS Forum
53. On the production of LNG from coke oven gas - HCBBS Forum
54. Regarding the selection of steel materials resistant to dew point corrosion, which of the following materials is more effective against dew point corrosion, and why? - HCBBS Forum
55. Domestic radar level gauge - HCBBS Forum
56. How should the feed inlet of an asphalt storage tank be designed? - HCBBS Forum
57. Old rubber flexible connectors are very hard – how can they be pried off? Let’s share some tips here! - HCBBS Forum
58. Selection of boiler feedwater flow meter - HCBBS Forum
59. Why is it necessary to slowly pour the **furan solution into the beaker already containing methanol while it is still hot? - HCBBS Forum
60. I would appreciate your advice: Is the material choice for our wet electrostatic precipitators appropriate? - HCBBS Forum
61. Seeking advice on selecting drying equipment - HCBBS Forum
62. 【Weekly Topic】【Storage & Transportation Version 20160331】 - HCBBS Forum
63. Analysis of the cleaner for conveyor belts - HCBBS Forum
64. Can 304L pipes be directly welded to 316L pipes? - HCBBS Forum
65. Issues encountered during the commissioning of air separation units - HCBBS Forum
66. DCS-controlled electric valve - HCBBS Forum
67. If a wolf turns back, there must be a reason - HCBBS Forum
68. Regarding second-hand equipment for methanol projects - HCBBS Forum
69. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 478 - HCBBS Forum
70. What causes chaos in the management of a unit? Let’s discuss it - HCBBS Forum
71. May I ask whether fiberglass-reinforced plastic composite pipes can be used for natural gas transmission pipelines (with moisture)? - HCBBS Forum
72. \"Haichuan Irrigation Co., Ltd. Convenience Store\" – Episode 308 of \"I Am a Singer\" Final: Let’s see who will win first place - HCBBS Forum
73. I’m seeking help from everyone: what is the number of springs in the valve seats of hard-sealed ball valves of different specifications? - HCBBS Forum
74. Precautions for purchasing chromatography analyzers and analysis booths - HCBBS Forum
75. Root cleaning of I-groove welds - HCBBS Forum
76. Heat exchanger design - HCBBS Forum
77. Quality issues with gasoline - HCBBS Forum
78. 【Basic Knowledge of Occupational Health】Nervous Exhaustion - HCBBS Forum
79. Safety acceptance evaluation - HCBBS Forum
80. 【Alkylation】Several problems encountered in Rumsfeld alkylation - HCBBS Forum
81. Comparison between electric heating and heat transfer oil heating - HCBBS Forum
82. Are there any peers in the industry that produce zinc carbonate and active zinc oxide? - HCBBS Forum
83. How to save energy and reduce consumption in circulating water systems - HCBBS Forum
84. Classification and brief description of large-brand burners - HCBBS Forum
85. How to determine the activity of anaerobic sludge after inoculation - HCBBS Forum
86. Delete - HCBBS Forum
87. Should neutralizing cleaning be considered for the pipes and equipment in the hydrofinishing unit? - HCBBS Forum
88. 【Coal Chemicals District】March 2016 Post about the Distribution of Moderator Salaries - HCBBS Forum
89. The principle of vacuum pumps in methanol-to-hydrogen production and the functions of their various components - HCBBS Forum
90. Discussion on the treatment plan for vent gases in methanol storage areas - HCBBS Forum
91. Aspen simulation of water absorbing hydrogen chloride - HCBBS Forum
92. Note-taking exam - HCBBS Forum
93. **Order No. 51 of the State Administration for Work Safety Supervision and Management - HCBBS Forum
94. 【Daily Topic】【Electrical Edition 20160331】 - HCBBS Forum
95. The density of reduced-four-line oil is greater than that of reduced-five-line oil; what are the common reasons for this? - HCBBS Forum
96. If the S content in seamless steel pipes is above the specified limit, will it have an impact on their subsequent use? - HCBBS Forum
97. PCS7 system backup - HCBBS Forum
98. Cleaning the air conditioner in the DCS control cabinet room caused parameter fluctuations - HCBBS Forum
99. Dry gas seal Pipe grade - HCBBS Forum
100. On the production of CNG from coke oven gas - HCBBS Forum