English — Forum #723 (Page 366/642)

1. Which point does the temperature in the wax oil evaporation section of a coking unit refer to? - HCBBS Forum
2. 【Weekly Topic】【Electrical Edition 20160205】 - HCBBS Forum
3. 【Daily Question】2.8 Auxiliary Anode (3 wealth points for a reply + additional 3–8 wealth points if the answer is correct) - HCBBS Forum
4. It’s too cold; the inventory in those two containers is almost depleted. . - HCBBS Forum
5. Environmental issues in DCP production technology and solutions - HCBBS Forum
6. Issues related to the fluorination of aniline-based fluoroboric acid diazotized salts during cracking; why is the system cloudy at low temperatures? - HCBBS Forum
7. How is the viscosity of various gases and solutions determined? Are there any calculation methods? If looking up in a table, which table would provide the most comprehensive information? - HCBBS Forum
8. Requirements for steam dryness at the inlet of saturated steam turbines - HCBBS Forum
9. Vacuum issues in MVR systems - HCBBS Forum
10. One Question per Day on Synthetic Ammonia (Series 8) - HCBBS Forum
11. 【Weekly Topic】【Storage & Transportation Edition 20160204】 - HCBBS Forum
12. 【Daily Question】Chemical Engineering Principles 306: Exchanger Sequence (January 26) - HCBBS Forum
13. How to properly carry out startup, shutdown, and anti-freezing/anti-clogging measures in winter - HCBBS Forum
14. 【Weekly Topic】【Production Version 20160203】 - HCBBS Forum
15. In PDMS3D View, how can different views of the same content be displayed side by side? - HCBBS Forum
16. Continuous Reforming Studies* Materials - HCBBS Forum
17. 【Daily Topic】【Civil Engineering Version 20160130】 - HCBBS Forum
18. After the reactor main air supply is activated for self-protection, can the various pumps used for fractionation maintain operation without running dry for long? - HCBBS Forum
19. May I ask if spiral submerged arc welded pipes can be used for steam pipelines with a pressure of 2 Mpa and a temperature of 300 degrees? Are there any standards? - HCBBS Forum
20. Shaanxi Baonit’s 100,000-ton/year methanol-to-gasoline project completed its initial trial run successfully - HCBBS Forum
21. Selection of high-temperature flowmeters - HCBBS Forum
22. Can a heat exchanger use only the tube side? - HCBBS Forum
23. 【Daily Question】1.24 Supplementary Multiple Choice: Which of the following methods can be used to produce ethanol? ( ) (As the New Year is approaching, an additional... - HCBBS Forum
24. I have a question for everyone: if the distance between the liquid ammonia storage tank and the school is not sufficient, are there any good solutions? - HCBBS Forum
25. 【Last-day limited-time red envelope; remaining funds will be reclaimed】【New-year start red envelope】$16 for each person; red envelopes available every year — Happy Spring Festival! - HCBBS Forum
26. The issue of survey and design engineers obtaining registration as supervision engineers - HCBBS Forum
27. 【Weekly Topic】【Electrical Edition 20160204】 - HCBBS Forum
28. I would like to ask whether pipeline purging should be done first or pipeline pressure testing first when starting up a system - HCBBS Forum
29. Domestic manufacturers of HDPE and PVDF pipes - HCBBS Forum
30. Is it necessary to have an invention patent as the source when developing a process package for industrial installations? - HCBBS Forum
31. Occupational Health Daily Question 1.25: Participate for a prize; 3 correct answers earn an additional 5 points as a reward - HCBBS Forum
32. Calculation of the umbrella roof for large storage tanks - HCBBS Forum
33. 【Daily Question】 (Reissued for Grade 7) 2.8 Electrode Corrosion (3 points for a reply + additional 3–8 points if the answer is correct) - HCBBS Forum
34. Promotion—@Friends, come get your money! - HCBBS Forum
35. Occupational Health Daily Question 2.6: Participate for a prize; 3 correct answers and an additional 10 points will be given - HCBBS Forum
36. Methanol One question per day Basic chemical engineering knowledge Heat exchangers 2016.01.27 - HCBBS Forum
37. The report is here - HCBBS Forum
38. “\"Haichuan Thanksgiving Season\": My senior colleague reminded me 【Foreign Language Region 002】 - HCBBS Forum
39. Occupational Health Daily Question 1.28: Participate for a prize; 3 correct answers and an additional 5 prizes will be given - HCBBS Forum
40. Mmmmmmmmm - HCBBS Forum
41. Necessity of external corrosion protection for irregular structures (flanges, bolts, tank edge plates, welds, etc.). . - HCBBS Forum
42. Dimensions of buried oil tanks - HCBBS Forum
43. On-site management of chemical engineering installation projects - HCBBS Forum
44. 【Daily Question】 2016 2.2 What are the requirements for the sulfidation of hydrogenation catalysts? （　　） - HCBBS Forum
45. 【New Energy Development】Graphene industrialization accelerates, with more competitors from various countries emerging - HCBBS Forum
46. Hydraulic test of plate heat exchanger - HCBBS Forum
47. Can prefabricated buildings be used in explosion-proof areas? - HCBBS Forum
48. Fire sand - HCBBS Forum
49. WinCC VBS language explanation - HCBBS Forum
50. Cold hydrogenation catalyst - HCBBS Forum
51. A BUG was found. . . - HCBBS Forum
52. 【Weekly Topic】【Engineering Version 20160203】 - HCBBS Forum
53. What methods should be used to address material caking, and is it safe to shake the large packs? - HCBBS Forum
54. 【Daily Topic】【Quality Version 20160206】 - HCBBS Forum
55. Problem with fluorination during the salt decomposition of aniline-based fluoroboric acid diazotization; filtration was performed, but no toluene could be detected? - HCBBS Forum
56. Whose responsibility is this then? - HCBBS Forum
57. 【Isomerization】Naphtha isomerization operating procedures or documentation - HCBBS Forum
58. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 429 - HCBBS Forum
59. As the general contractor, who is responsible for the safety management of the subcontractors’ workers during the construction phase after the project is handed over? - HCBBS Forum
60. The relationship between nitrogen in coke oven gas and nitrogen in the resulting natural gas - HCBBS Forum
61. Sign in to get a red envelope. - HCBBS Forum
62. Besides pipe bursts, we also need some fun - HCBBS Forum
63. One Question per Day on Synthetic Ammonia (Series 9) - HCBBS Forum
64. 【Daily Question】Chemical Engineering Principles 308: Redox Reactions (January 28) - HCBBS Forum
65. Deep cryogenic purification in the ammonia synthesis process - HCBBS Forum
66. 【Daily Question】2.8 Fill-in-the-blank: Source of raw materials for the benzene plant - HCBBS Forum
67. Laboratory rating - HCBBS Forum
68. How can KOH solution be treated to separate water or to achieve compliant discharge? - HCBBS Forum
69. I need help understanding how the calibration range for orifice flowmeters is determined - HCBBS Forum
70. 2 small issues with the pressure vessel - HCBBS Forum
71. Why were the posts in the [Petroleum Industry Activities] series, “Nationwide Survey of Refineries,” closed? - HCBBS Forum
72. Electrochemical treatment of circulating water - HCBBS Forum
73. The quality of smart toilet products still needs improvement - HCBBS Forum
74. What causes crystallization in the water after treatment of lead-acid wastewater? - HCBBS Forum
75. Pressure swing adsorption nitrogen production - HCBBS Forum
76. Keep working hard! - HCBBS Forum
77. Large deviation in the feedback value of the electric control valve - HCBBS Forum
78. Issues with the mechanical seal flushing water filter - HCBBS Forum
79. Where can I find a table showing the correspondence between the size of the opening at the bottom of the storage tank and the size of the opening that needs to be dug in the foundation? - HCBBS Forum
80. Sign-in record post from February 12, 2016 - HCBBS Forum
81. Sign-in record post from January 31, 2016 - HCBBS Forum
82. Does 27.5% hydrogen peroxide pose a risk of explosion? Seeking guidance - HCBBS Forum
83. 【Weekly Topic】【Storage & Transportation Edition 20160205】 - HCBBS Forum
84. Spring Festival wishes - HCBBS Forum
85. Discussion on welding items - HCBBS Forum
86. Occupational Health Daily Question 1.31: Participate for a prize; 3 correct answers and an additional 5 prizes will be given - HCBBS Forum
87. A small pipe is connected at the outlet of the reboiler’s vapor line to the vapor outlet pipe at the top of the tower - HCBBS Forum
88. 【Daily Question】2.11 Fill-in-the-blank: The benzene plant uses ( ) as a refrigerant - HCBBS Forum
89. What is the packing material used in the distillation column for purifying SiCl4 and SiHCl3? - HCBBS Forum
90. Wish everyone good luck in the Year of the Monkey! - HCBBS Forum
91. Couplets on safe production - HCBBS Forum
92. One Question per Day on Synthetic Ammonia (Series 6) - HCBBS Forum
93. 【Joint Study*】【Civil Engineering Version 20160125】 - HCBBS Forum
94. One Question per Day on Synthetic Ammonia (Series 4) - HCBBS Forum
95. What should be done if the cooling water of a pump freezes in cold weather? ? ? - HCBBS Forum
96. Questions regarding chromatography - HCBBS Forum
97. 20160128 One question per day - HCBBS Forum
98. Study hard* - HCBBS Forum
99. Leakage issue at the water injection port of the synchronous exhaust-pump slurry transport device - HCBBS Forum
100. 【Daily Topic】【Quality Version 20160129】 - HCBBS Forum