English — Forum #723 (Page 387/642)

1. Sign-in record post from January 23, 2016 - HCBBS Forum
2. After setting the results view, the calculation results are not displayed on the process page - HCBBS Forum
3. How to make the home version more active? - HCBBS Forum
4. Coal chemical industry recruitment - HCBBS Forum
5. 【Daily Question】1.14 Multiple-choice question: The condition under which real gases behave similarly to ideal gases is ( ). (As the New Year approaches, daily... - HCBBS Forum
6. Deriving the isentropic efficiency from the polytropic efficiency of a compressor - HCBBS Forum
7. Valves for crystallization conditions - HCBBS Forum
8. Seek a formula for a steel plate degreasing agent (cleaning agent) with low or no foam formation - HCBBS Forum
9. I was gone for almost two years; I’m back to report my presence - HCBBS Forum
10. CB12 10 MW turbine - HCBBS Forum
11. Safety Management Qualification Certificate - HCBBS Forum
12. Haichuan’s “Thanksgiving Season” – A Tribute to My Master Teacher [Production Area 003] - HCBBS Forum
13. Seeking Project Manager & Design Lead (Work in Nanjing) - HCBBS Forum
14. 2000 cubic meter liquid sulfur storage tank: questions regarding cost and material selection; seeking advice earnestly. - HCBBS Forum
15. Seek a dryer - HCBBS Forum
16. Difference between hydrogen valve and nitrogen valve - HCBBS Forum
17. Studs, pipe clamps, single-threaded splices, double-threaded splices - HCBBS Forum
18. What is the use of a differential pressure gauge on a pipeline? - HCBBS Forum
19. Please provide an example of a water hammer effect accident! - HCBBS Forum
20. Problem with the two valves for the temperature reduction water in the temperature reducer/vacuum regulator or bypass system - HCBBS Forum
21. 【Daily Question】Chemical Engineering Principles 293: Resin Loss (January 13) - HCBBS Forum
22. Lightest component in the deep processing of coal tar - HCBBS Forum
23. Regarding flue gas desulfurization - HCBBS Forum
24. Issues with spare oil-free screw compressors - HCBBS Forum
25. Determination of ferrite content - HCBBS Forum
26. What policies are in place **for coal-fired boilers now? - HCBBS Forum
27. Is an aqueous inorganic zinc-rich coating suitable for heating coils? - HCBBS Forum
28. Repost: Pressure Pipeline Design and Engineering Examples - HCBBS Forum
29. Turbine compressor - HCBBS Forum
30. - HCBBS Forum
31. Hydrogen recovery by membrane separation of methanol off-gas - HCBBS Forum
32. Design change - HCBBS Forum
33. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 419 - HCBBS Forum
34. 【Daily Question No. 98】January 15, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
35. I need a table of plastic pipe grades - HCBBS Forum
36. It’s snowing. I heard there are quite a few accidents on the highways - HCBBS Forum
37. AMP (2-amino-2-methyl-1-propanol) - HCBBS Forum
38. Are there SOE records in the DCS system? - HCBBS Forum
39. Some basic questions about pipe racks - HCBBS Forum
40. 【Joint Study*】【Civil Engineering Version 20160113】 - HCBBS Forum
41. Application range of graphite gaskets - HCBBS Forum
42. Stress analysis of buried pipelines - HCBBS Forum
43. What to do if there is too much sludge in the aerobic sedimentation tank - HCBBS Forum
44. 【Daily Question】Chemical Engineering Principles 300: Mixed-bed Regeneration (January 20) - HCBBS Forum
45. 【Daily Question】2016 1.20 Multiple-choice question When using steam for heat tracing in pipelines, it is important to dehydrate the steam pipes in order to prevent.. - HCBBS Forum
46. How is the amount of filter aid to be added calculated? - HCBBS Forum
47. Is it okay if the flange is missing bolts? - HCBBS Forum
48. Seek specification SH3122-2013 - HCBBS Forum
49. What key areas does a pipeline engineer need to be proficient in? - HCBBS Forum
50. Latest price trends for ethylene glycol in China - HCBBS Forum
51. Which English exam is required for an intermediate professional title? Science and Engineering B or Science and Engineering C? Located in Yantai - HCBBS Forum
52. Corrosion of water treatment pipelines and valves - HCBBS Forum
53. Hydrogen compressor - HCBBS Forum
54. Chemical cleaning solution for reverse osmosis membranes - HCBBS Forum
55. What are the requirements for registering for the exam? - HCBBS Forum
56. Environmental Protection Daily Question 1.22: Participate for a prize; 3 correct answers earn an additional 5 points as a reward - HCBBS Forum
57. Issues related to the circulating water treatment in oxygen production plants. - HCBBS Forum
58. 【Joint Study*】【HVAC Version 20160113】 - HCBBS Forum
59. Reissue of 【One Question per Day】1.16 Short-answer question: What is the impact of high reflux rates in the first and second stages of an atmospheric pressure tower on the product? - HCBBS Forum
60. Reasons for increased vibration in the smoke extractor - HCBBS Forum
61. Questions regarding the use of optimizers - HCBBS Forum
62. 【Daily Topic】【Quality Version 20160121】 - HCBBS Forum
63. Changes in boiler feedwater standards? - HCBBS Forum
64. Issues regarding instrument symbols, tag numbers, and annotations in process diagrams - HCBBS Forum
65. 【Daily Topic】【Civil Engineering Version 20160113】 - HCBBS Forum
66. Ten domestic cases of coal chemical industry wastewater treatment projects - HCBBS Forum
67. 【Daily Topic】【Electrical Edition 20160115】 - HCBBS Forum
68. The level gauge keeps fluctuating – help, how to fix it? - HCBBS Forum
69. Valve insulation - HCBBS Forum
70. 【Daily Question】1.19 Corrosion Cell (3 wealth points for a reply + additional 3–8 wealth points for a correct answer) - HCBBS Forum
71. 【Daily Question】Chemical Engineering Principles 301: Determining Phosphates in Boiler Water (January 21) - HCBBS Forum
72. 【Daily Question】Chemical Engineering Principles 302: Operation of Anion Exchange Resins (January 22) - HCBBS Forum
73. Reissue of 【One Question per Day】1.13 Short-answer question: What consequences can occur if the gas velocity inside the towers of a vacuum distillation unit is too low? - HCBBS Forum
74. Sign-in record post from January 12, 2016 - HCBBS Forum
75. Is there a problem with the “Read” feature on the forum lately? - HCBBS Forum
76. 【Daily Topic】【Live Version 20160114】 - HCBBS Forum
77. “The Shepherd’s Song” – Cute Complete Version - HCBBS Forum
78. 【Daily Question】1.17 Short-answer question: Why is it necessary to control the density of heavy diesel in atmospheric and vacuum distillation units? - HCBBS Forum
79. Request for the production of DMC, EMC, DEC... solvents - HCBBS Forum
80. How to solve the frequent perforation and leakage problems in the sulfur regeneration tower! - HCBBS Forum
81. Issues with fuel consumption in gas boilers - HCBBS Forum
82. How to achieve process anti-corrosion for high-temperature heat exchange equipment? - HCBBS Forum
83. 【Joint Study*】【Civil Engineering Version 20160118】 - HCBBS Forum
84. The absorption stabilization system is being overhauled without draining oil or performing purge operations; it’s like going straight into the tiger’s den despite knowing there are tigers there – hope this serves as a wake-up call! - HCBBS Forum
85. Function of the DN40 bypass lines at the inlet and outlet of the high-pressure boiler feed water pump (multi-stage centrifugal pump) - HCBBS Forum
86. Issues with the pressure of steam pipelines and antifreeze addition to the pressure guiding tubes of differential pressure transmitters - HCBBS Forum
87. 【Daily Question】1.23 Electrochemical protection of hydrogen embrittlement-sensitive materials (3 wealth points for a reply; +3 to +8 wealth points for a correct answer) - HCBBS Forum
88. Mood determines one’s state of mind - HCBBS Forum
89. How to reduce ammonia nitrogen - HCBBS Forum
90. Gasoline aniline test failed - HCBBS Forum
91. Residence time of delayed coking radiant feed in the furnace tube - HCBBS Forum
92. Haichuan’s “Season of Gratitude” – A tribute to the days we fought side by side over the years【Mechanical 003】 - HCBBS Forum
93. For heat transfer oil entering the heat exchanger, should it enter from the high side and exit from the low side, or from the low side and exit from the high side? - HCBBS Forum
94. Catalytic two-stage regeneration - HCBBS Forum
95. 【Joint Study*】【Civil Engineering Version 20160122】 - HCBBS Forum
96. Solution to Question 14 in the morning session of the 2014 Chemistry Exam – Discussion - HCBBS Forum
97. Winter anti-freezing and anti-condensation plan for chemical plants - HCBBS Forum
98. Seeking CAD teaching help - HCBBS Forum
99. How can peeling of the inner wall of fiberglass storage tanks be prevented? - HCBBS Forum
100. Phenol resin production process - HCBBS Forum