English — Forum #723 (Page 516/642)

1. The explosion limit issue of hydrogen - HCBBS Forum
2. Hydraulic test sequence - HCBBS Forum
3. What is the difference between the safety protection distance and the health protection distance? - HCBBS Forum
4. Is activated carbon mainly used for VOC control? ! - HCBBS Forum
5. Question 47, multiple-choice question on boiler foundations on September 30: (A certain score will be given to the top 40 participants) - HCBBS Forum
6. FRP storage tank process - HCBBS Forum
7. Low-temperature resistant stainless steel - HCBBS Forum
8. Does the purified water have a flow back to the oil remover of the raw water feed at the beginning? - HCBBS Forum
9. How is the range of a liquid nitrogen tank calculated? - HCBBS Forum
10. The influence of coal activity on gasification intensity - HCBBS Forum
11. Can a differential pressure transmitter measure the pressure at two pressure tapping points independently? - HCBBS Forum
12. 【Daily Question No. 14】September 14, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
13. Seeking help: Installation of liquid caustic storage tanks in a natural gas tank farm - HCBBS Forum
14. Welding between stainless steel and copper - HCBBS Forum
15. 【Daily Question】Question from Issue 20150917 - HCBBS Forum
16. Do you know any hospitals that specialize in water treatment? - HCBBS Forum
17. 【Daily Question】Question from Issue 20150922 - HCBBS Forum
18. What quota should be applied for laying grid plates? - HCBBS Forum
19. Environmental Protection Daily Question 9.19 - HCBBS Forum
20. Why is it called a “two-bed three-tower + mixed-bed” desalination system? - HCBBS Forum
21. Environmental Protection Daily Question 9.18: Participation earns a prize, correct answers earn an additional reward - HCBBS Forum
22. Say Hello to New & Old Friends - HCBBS Forum
23. One question per day - HCBBS Forum
24. What are the three types of violations at the work site, and how can they be prevented? - HCBBS Forum
25. The upgrade cost for National V diesel, and the profit from the selling price? Let’s all make an estimate - HCBBS Forum
26. Instrumentation design specifications for major hazard sources - HCBBS Forum
27. What are the precautions and piping requirements for negative pressure piping? - HCBBS Forum
28. What noise prevention measures are there in the compressor plant? Help needed - HCBBS Forum
29. Briefly describe the significance of quality inspection for tower-type equipment? - HCBBS Forum
30. Desulfurization tank for aviation kerosene hydrogenation unit - HCBBS Forum
31. Regarding pipeline pressure - HCBBS Forum
32. Torch pipeline - HCBBS Forum
33. 【Daily Question】Question from Issue 20150916 - HCBBS Forum
34. Configuration King issues with network communication between two computers - HCBBS Forum
35. How to fully open 7.3 system files with version 7.2 software - HCBBS Forum
36. Minimum distance between flow restriction orifice plates - HCBBS Forum
37. Why did my online time suddenly become zero? - HCBBS Forum
38. How should the calculated stress be determined for the jacket layer (inner layer) of a jacketed vessel during stress verification? - HCBBS Forum
39. After the unreacted steam is transformed and condensed by cooling, does it contain acidic gases? What are the components of these gases? - HCBBS Forum
40. Professional consultation on obtaining a power engineering license - HCBBS Forum
41. Design calculation of heat-free adsorption dryers - HCBBS Forum
42. Talk about the useful safety devices in cranes - HCBBS Forum
43. When large diameters and high pressure differences are involved, and globe valves and butterfly valves are no longer suitable, what type of control valve should be used? - HCBBS Forum
44. Thermostatic valve pressure drop - HCBBS Forum
45. Regarding the issue of the Reynolds number in stirring power - HCBBS Forum
46. What is the effect of excessively high or low pressures of chlorine and hydrogen on the cell voltage? - HCBBS Forum
47. Rotary flow meter - HCBBS Forum
48. External heat exchanger gas return line - HCBBS Forum
49. Evergrande faces Osaka Steel Bar – will Evergrande manage to advance? - HCBBS Forum
50. Which is better, a stainless steel floating disc or an aluminum floating disc? - HCBBS Forum
51. Should coal-based methanol be chosen? - HCBBS Forum
52. Design and classification of extraction equipment (extraction towers) - HCBBS Forum
53. 【Daily Question】September 14: In a catalytic cracking unit, when the reaction temperature increases, which reaction speed increases the most? - HCBBS Forum
54. Treatment of flange thickness - HCBBS Forum
55. When antifreeze is used as the refrigerant, if there is a slight leak in the pipes, how can one determine whether it is the antifreeze or the refrigerant that is leaking? - HCBBS Forum
56. 4. What impact does the use of anionic and cationic flocculants have on the water quality of the system? - HCBBS Forum
57. 【Daily Question】9.18 – Never Forget National Humiliation - HCBBS Forum
58. Why are the sulfides in the ammonia aqueous stream higher than those in the feed water? - HCBBS Forum
59. PRS heat exchanger - HCBBS Forum
60. What are the most commonly used desulfurization methods for light crude oil nowadays? - HCBBS Forum
61. Location for issuing additional rewards in the super bounty campaign! - HCBBS Forum
62. Help with translation - HCBBS Forum
63. 8. How to wash ultra-fine ash. - HCBBS Forum
64. Filling coefficient of oil tanks - HCBBS Forum
65. Who has information on new sulfur recovery processes? - HCBBS Forum
66. One Question per Day, September 16, 2015 - HCBBS Forum
67. 【Weekly Question for September】How to handle low water level in the drum of a circulating fluidized bed boiler? - HCBBS Forum
68. Who can help me with the issue of catalytic yield? - HCBBS Forum
69. Basic questions on control systems at Tianjin University - HCBBS Forum
70. Safe range for thermal shock and temperature differences in glass-lined equipment - HCBBS Forum
71. The issue of adding fluxes to coal quality - HCBBS Forum
72. The pressure difference in the desulfurization solvent regeneration tower refers to the difference between the top and bottom of the tower? - HCBBS Forum
73. Design to Installation - HCBBS Forum
74. Related to the main stripping tower and butane removal tower in hydrocracking - HCBBS Forum
75. Ways to diagnose power failure issues in construction cranes and solutions - HCBBS Forum
76. Mass and heat transfer trays are not installed in the atmospheric pressure intermediate section - HCBBS Forum
77. Changes in the reaction conversion rate of catalytic reforming - HCBBS Forum
78. Issues regarding the thickness of use for Q345R - HCBBS Forum
79. Regarding the gas storage tank - HCBBS Forum
80. What documents are needed for the trial production acceptance? - HCBBS Forum
81. During the shutdown of the liquefaction plant, why is the LNG stored in large tanks circulated on its own? - HCBBS Forum
82. Homogenizer - HCBBS Forum
83. Who am I, and how do I become myself? - HCBBS Forum
84. What type of reboiler is suitable for the solvent regeneration tower? Siphon or kettle-type? - HCBBS Forum
85. Flow meter - HCBBS Forum
86. Is it possible to add a function to search for one’s own replied posts? - HCBBS Forum
87. The cases from 2015 were quite challenging - HCBBS Forum
88. I would like to ask about the alkali resistance of 254SMO - HCBBS Forum
89. One post per day on occupational health - HCBBS Forum
90. The current development status and application level of sinet - HCBBS Forum
91. Problems with heat exchangers - HCBBS Forum
92. Volume calculation software - HCBBS Forum
93. Analysis of the three most common causes of crane hook drops - HCBBS Forum
94. The Haichuan app does not have a section for colleges and universities - HCBBS Forum
95. What are the requirements regarding noise pollution from factories** - HCBBS Forum
96. Meaning of D200-19 blower model number - HCBBS Forum
97. Analysis of the crane hook hitting the ceiling fault - HCBBS Forum
98. The 13th Five-Year Plan for coal chemical industry takes shape; priority is given to controlling the pace of expansion - HCBBS Forum
99. What type of gasification furnace does Jinchengtai in Wushen Banner, Ordos use? - HCBBS Forum
100. Need a translation! Urgent! Urgent! Urgent! Urgent! Urgent! Thank you all - HCBBS Forum