English — Forum #723 (Page 333/642)

1. 【Weekly Topic】Discussion on maintenance costs - HCBBS Forum
2. Selection of industrial solvent oils in GB/T 260 Method for Determining Water Content in Petroleum Products - HCBBS Forum
3. On-site inspection of the 60,000 tons per year zinc sulfate project in Qingtongxia, Ningxia - HCBBS Forum
4. How should one proceed to empty an acidic water tank for major maintenance? - HCBBS Forum
5. Regarding thermocouple/thermistor junction boxes and cold-junction compensation - HCBBS Forum
6. I have a question: for aniline, toluene, CS2, tar, and H2S, what type of flow meter is most accurate for measuring these substances, and what are the popular brands? - HCBBS Forum
7. Environmental Protection Tip of the Day: Reward for participating on 3.15 – 5 points, plus an additional 5 points for answering correctly - HCBBS Forum
8. Connection method between pipes and tube sheets - HCBBS Forum
9. The culprit behind the abnormal pressure gauge - HCBBS Forum
10. Are there still people browsing forums after work? - HCBBS Forum
11. Current development status of domestic LNG bimetallic full-volume tanks - HCBBS Forum
12. The PLC is connected to the diagnostic repeater via DP, but communication is not established – the DP1 light does not turn on. How do I set up the diagnostic repeater? - HCBBS Forum
13. How is the mounting method for bimetallic thermometers determined? How are the axial and radial directions determined? - HCBBS Forum
14. 【Propane Dehydrogenation】Diagram of the raw material pretreatment unit for the Oleflex propane dehydrogenation project - HCBBS Forum
15. 【Joint Study*】【Civil Engineering Version 20160312】 - HCBBS Forum
16. How does DCS achieve the control of shared equipment? - HCBBS Forum
17. Catalytic cracking reaction system - HCBBS Forum
18. I would like to ask where I can find information on the minimum scale for factory production volume; please let me know, experts. . . - HCBBS Forum
19. Seeking advice on screw pump issues - HCBBS Forum
20. Are there any forum members who are involved in vacuum salt production? - HCBBS Forum
21. What is the installation method for PDMS11.2? - HCBBS Forum
22. Fluid viscosity testing - HCBBS Forum
23. The current development status of LNG storage tanks at home and abroad - HCBBS Forum
24. How to manage atmospheric pressure storage tanks - HCBBS Forum
25. The eighth issue of the original chemical industry riddles: winners will receive flowers - HCBBS Forum
26. Stirring problem, need a solution, urgently - HCBBS Forum
27. The \"Happy Weekend Food\" section of 281 HaiChuan Irrigation Co., Ltd. posted six posts for a guessing game - HCBBS Forum
28. How to take preventive measures for Class A/B liquid storage tanks made of PE material - HCBBS Forum
29. Is there a large amount of white foam on the surface of the sludge thickening tank? Please ask an expert to help analyze it! - HCBBS Forum
30. What standards specify maximum storage quantities for oxygen cylinders and similar items at the production site? - HCBBS Forum
31. Help – Improving oxidation & corrosion issues at copper welds over time - HCBBS Forum
32. One Question per Day on Synthetic Ammonia (Series 35) - HCBBS Forum
33. Why is gasification so tiring? - HCBBS Forum
34. 【Daily Question】March 14, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
35. New technology for storing fruits using biogas - HCBBS Forum
36. How to perform fatigue analysis in CAESARⅡ - HCBBS Forum
37. I don’t understand this sentence; please explain it - HCBBS Forum
38. Sign-in record post from March 14, 2016 - HCBBS Forum
39. 【Daily Topic】【Electrical Edition 20160315】 - HCBBS Forum
40. One Question per Day on Synthetic Ammonia (Series 33) - HCBBS Forum
41. Manufacturers of DC standard signal sources - HCBBS Forum
42. How to reduce ethanol in a distillation atmospheric pressure column - HCBBS Forum
43. Volume ratio of the shell-side and tube-side fluids in the heat exchanger - HCBBS Forum
44. Problems with double-flange level gauges - HCBBS Forum
45. When will there be a question of the day? - HCBBS Forum
46. I’ve summarized the opening phrases related to “honesty” that I use frequently - HCBBS Forum
47. Current status of process management in foreign refining and petrochemical enterprises - HCBBS Forum
48. May I ask, as long as there is wealth in the spending post, it can’t be locked, is that right? - HCBBS Forum
49. Purification Daily Question Series 4 - HCBBS Forum
50. Which domestic mass flow meters are the best? - HCBBS Forum
51. Questions regarding the aqueous solution of monomethylamine - HCBBS Forum
52. How to empty the entire liquefied gas desulfurization tower when it is shut down? - HCBBS Forum
53. Wishing my female compatriots a happy holiday! - HCBBS Forum
54. Problem of excessive occupational disease risk factors - HCBBS Forum
55. 【Daily Topic】【Civil Engineering Version 20160305】 - HCBBS Forum
56. The 32% liquid caustic storage tank is designed with an open top - HCBBS Forum
57. Questions regarding methanation (DAVY) - HCBBS Forum
58. Illustrated Wiring: Comprehensive Review of Electrical Cabinet Sets - HCBBS Forum
59. Class E seam non-automatic cored gas-shielded CO2 welding. Which tests are there for welders? - HCBBS Forum
60. 【Daily Question】Chemical Engineering Principles 340: Electrolyte Concentration (March 16) - HCBBS Forum
61. Ion membrane vesicle transporter - HCBBS Forum
62. I would like to ask everyone: how is the volume of the expansion tank and oil storage tank in a heat transfer oil system determined? - HCBBS Forum
63. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 258 - HCBBS Forum
64. Questions about hydrogen production catalysts? - HCBBS Forum
65. What is a good method for adjusting the speed of a drum blower? - HCBBS Forum
66. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 456 - HCBBS Forum
67. Vacuum potassium carbonate desulfurization - HCBBS Forum
68. The problem of coking in the re-refining tank - HCBBS Forum
69. Dear experts, what kind of filter is needed to prepare analytically pure iron oxide? - HCBBS Forum
70. Level gauge issue - HCBBS Forum
71. Registered Safety Engineer - HCBBS Forum
72. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 457 - HCBBS Forum
73. Questions regarding the calculation of the cooling load for LNG cryogenic tanks - HCBBS Forum
74. Sealed cap with opening for welding pipes - HCBBS Forum
75. Prospects for the hydrogenation of coal tar to produce naphtha and diesel - HCBBS Forum
76. Combustible gas concentration conversion - HCBBS Forum
77. 【Daily Question】March 13, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
78. Supply of pharmaceutical intermediates, etc. (Asic, Phenylbutyric Acid, Malaviro Retgwe) - HCBBS Forum
79. The automatic mahjong machine in the hot pot world – do you like it? - HCBBS Forum
80. 【Daily Question No. 97】March 7, 2016: +2 wealth for participation, +3 additional wealth for a correct answer - HCBBS Forum
81. Environmental Protection Daily Tip – March 13: Reward for participation, plus 5 more points for answering 5 questions correctly - HCBBS Forum
82. Simulation of the vacuum distillation column - HCBBS Forum
83. Development history of the chlor-alkali industry - HCBBS Forum
84. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 459 - HCBBS Forum
85. A thorough discussion on the material selection for instrument air supply pipes - HCBBS Forum
86. Sharing a video of a man’s supercharger - HCBBS Forum
87. Regarding heat treatment - HCBBS Forum
88. Poor discharge in the negative pressure stripping tower - HCBBS Forum
89. Progress of the biogas power generation project at the Huangyan waste ecological landfill - HCBBS Forum
90. One Question per Day on Synthetic Ammonia (Series 40) - HCBBS Forum
91. Latest updates on the Datang Fuxin coal-to-natural gas project - HCBBS Forum
92. Ash in catalytic slurry - HCBBS Forum
93. Air separation unit shutdown - HCBBS Forum
94. Sensor zero output - HCBBS Forum
95. Steel used for LNG storage tanks - HCBBS Forum
96. Pressure difference meter upper and lower limit issues - HCBBS Forum
97. Water seal at the top of the solvent (methyl diethanolamine) tank - HCBBS Forum
98. Seek drawings for a single-layer carbon dioxide storage tank for use in a brewery - HCBBS Forum
99. How to eliminate pipeline stress - HCBBS Forum
100. Reasons for the failure of the Tatarini regulator - HCBBS Forum