English — Forum #723 (Page 465/642)

1. Registration for the Electrical Region’s Daily Question Challenge – 11/11/2015 - HCBBS Forum
2. What type of pipe support should be used for large-diameter thin-walled pipes? - HCBBS Forum
3. Water-coal slurry additives - HCBBS Forum
4. The flow rate of the circulating water pump is getting smaller and smaller - HCBBS Forum
5. Is there any technology for granulating PVC resin here? - HCBBS Forum
6. How often should large liquid sulfur storage tanks be cleaned? - HCBBS Forum
7. Regarding the issue of when to put the H2S/SO2 ratio analyzer into use for sulfur recovery operations that have just started - HCBBS Forum
8. Catalytic diesel pour point - HCBBS Forum
9. 【Daily Question】Multiple-choice question 11.6 In a shell-and-tube heat exchanger, within the same tube side, the tube bundle becomes blocked due to a leak ( ). - HCBBS Forum
10. Seeking help with ENRAF radar 971 level gauge - HCBBS Forum
11. Specifications related to piling of buried pipelines - HCBBS Forum
12. 【Popular Science on Polymers and Materials】--024 Popular Science on the Materials Used in Car Sunscreens + zdl1966 - HCBBS Forum
13. Civil Engineering Structure Discussion Area ----【Daily Question】Question from the 20151108 issue - HCBBS Forum
14. During the interview—how to answer the question of how you manage well? - HCBBS Forum
15. Environmental Protection Daily Question 11.5: Participate for a prize; 3 correct answers earn an additional prize of 2 - HCBBS Forum
16. Do you still have your dreams? - HCBBS Forum
17. Please take it away - HCBBS Forum
18. Breaking the egg yields 470 luck points; time to show off a bit - HCBBS Forum
19. Broken ice - HCBBS Forum
20. The flue diameter is 700 mm, and the insertion depth of the thermocouple is 300 mm. Is this insertion depth sufficient? - HCBBS Forum
21. After selecting the property method from the Aspen Property Database, it is not possible to enter the simulation environment; save... - HCBBS Forum
22. Pressure transmitter installation - HCBBS Forum
23. What other types of mortar are used for masonry construction besides cement mortar? What are their respective features? - HCBBS Forum
24. What are the reasons why a vacuum filter doesn’t discharge material? - HCBBS Forum
25. Connection pattern between spherical tank struts and tie rods - HCBBS Forum
26. How to represent the signals from the distribution cabinet to the DCS in a PID diagram? - HCBBS Forum
27. What are some professional analysis forums? - HCBBS Forum
28. 【Daily Question】Question from Issue 20151105 - HCBBS Forum
29. It has been suggested to add FES to wastewater, so that Cd2+ and Cu2+ in the wastewater can be converted into CdS and CuS precipitates respectively for removal. Is this feasible? - HCBBS Forum
30. What is a heat exchange vessel? Give an example? - HCBBS Forum
31. With the implementation of National V standards for gasoline and diesel, online sulfur monitoring of these fuels has become essential - HCBBS Forum
32. Pneumatic valve - HCBBS Forum
33. Who has the manual for a Mantoux steam turbine that can be purchased? - HCBBS Forum
34. Today is the beginning of winter – what are everyone going to eat? _? - HCBBS Forum
35. 【Daily Question】 November 18th: What is the medium used for the airtightness test of centrifugal compressors? ? - HCBBS Forum
36. How to determine pipe wall thickness - HCBBS Forum
37. 【Daily Question】Chemical Engineering Principles 231: Theoretical Plates (November 12) - HCBBS Forum
38. SIS and EIS - HCBBS Forum
39. What is fault hazard analysis? - HCBBS Forum
40. 【11.12-18 Weekly Question】+2 to participation score, +3~20 to correct answer score - HCBBS Forum
41. Registration for the First-Class Constructor Exam - HCBBS Forum
42. A low-key powerhouse~ Benxi Pharmaceutical City in Liaoning - HCBBS Forum
43. Everyone, work on question 47-2: multiple-choice questions 13-14 from the 2015 First-Class Constructor Examination in Project Management; there will be a reward for those who answer correctly - HCBBS Forum
44. 【Popular Science on Polymers and Materials】--026 “Artificial eggs” also use polymer materials? Does such a thing really exist? +ljtjbx - HCBBS Forum
45. Which brand offers pressure transmitters that can withstand 490°C? - HCBBS Forum
46. Principles of chemistry in daily life – which dries faster - HCBBS Forum
47. LPG vaporization - HCBBS Forum
48. 【Daily Question】November 12, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
49. Concentration of calcium chloride aqueous solution - HCBBS Forum
50. The First Part on the Composition Changes of Civil Liquefied Gas – A Surge in Propane Usage - HCBBS Forum
51. What type of level switch is suitable for a steam condensation tank! - HCBBS Forum
52. Civil Engineering Structure Discussion Area ---- [Daily Question] Question from Issue 20151106 - HCBBS Forum
53. The original issue with driving - HCBBS Forum
54. Whether the vapor exiting the primary scrubber tower is saturated or not - HCBBS Forum
55. Selection of valve position switch? - HCBBS Forum
56. Creation of CAD component libraries, flange parameters - HCBBS Forum
57. ★Specialized Examination for Chemical Engineering ★ — One question per day (2015-11-16) — Points are awarded for participation - HCBBS Forum
58. Who knows the manufacturers of molds for 4L engine oil drums - HCBBS Forum
59. The anode feed pipe has turned red; how can it be cleaned? - HCBBS Forum
60. LNG density calculation - HCBBS Forum
61. What is a push-type safety device? - HCBBS Forum
62. Seeking solutions regarding inverter interference issues - HCBBS Forum
63. How to eliminate the impact of water when calculating the flare network for acidic gas in the acidic water stripping unit - HCBBS Forum
64. Calculation of the short skirt base for solid material silos - HCBBS Forum
65. Why is the COD in tank O of the A/O process higher than that in tank A? - HCBBS Forum
66. How to reduce air consumption in pneumatic conveying - HCBBS Forum
67. What to do if the current meter transformation ratio is selected incorrectly - HCBBS Forum
68. The impact of high saline SS levels on the electrolyzer - HCBBS Forum
69. May I ask about the consumption ratio of coal with such properties for methanol production, as well as the gasification furnace technology to be used? - HCBBS Forum
70. There are several residue hydrogenation projects in China at present; whose cut-off ball valves are being used? - HCBBS Forum
71. 【Daily Question】November 14, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
72. Subcategories of the polysilicon industry - HCBBS Forum
73. 【Daily Question】Question from Issue 20151112 - HCBBS Forum
74. What is the difference between a safety barrier and an isolation barrier? - HCBBS Forum
75. Issues regarding the atomization of fuel burners - HCBBS Forum
76. Information on nozzles that utilize thermal spraying technology - HCBBS Forum
77. 【Daily Question】Question from Issue 20151112 - HCBBS Forum
78. 【Daily Question】November 8, 2015: Boiler True/False Questions (3 wealth points for replying; +3 to 8 additional wealth points for correct answers) - HCBBS Forum
79. What does the design temperature of a container mean? - HCBBS Forum
80. How to remove biological foam quickly - HCBBS Forum
81. Why should the thickness of reinforced concrete shear walls not be less than 1/25 of the floor height - HCBBS Forum
82. 【Daily Question】11.16 Multiple-choice question: Which of the following does not belong to the process of equilibrium separation mass transfer? ( ) - HCBBS Forum
83. What is the corrosion mechanism of flue gas desulfurization equipment? - HCBBS Forum
84. Connecting a centrifugal impeller in series ahead of the vortex impeller in a centrifugal vortex pump can improve the cavitation performance of that pump - HCBBS Forum
85. Recruitment for anti-corrosion engineers in Qinzhou, Guangxi - HCBBS Forum
86. Common problems and solutions for cardboard box burst strength testing machines - HCBBS Forum
87. On the corrosion allowance for pipelines - HCBBS Forum
88. Civil Engineering Structure Discussion Area ----【Daily Question】Question from Issue 20151104 - HCBBS Forum
89. Heat transfer oil furnace - HCBBS Forum
90. Compilation post for the Food Hunt series – everyone is welcome to share! - HCBBS Forum
91. Is there any Promax software available for heat exchanger calculations? - HCBBS Forum
92. 【Daily Question】Question for Issue 20151029 - HCBBS Forum
93. Welding of dissimilar steels: 2507 duplex stainless steel and Q235-B low-carbon steel - HCBBS Forum
94. Sitting in the “Haichuan Irrigation Co., Ltd. Convenience Store” for too long is really not good - HCBBS Forum
95. What standards are followed for installing pipes in ducts? - HCBBS Forum
96. What issues should be considered during the startup of a circulating fluidized bed boiler? - HCBBS Forum
97. 【Daily Question】Question from Issue 20151102 - HCBBS Forum
98. 【Daily Question】Question 29: Test question from issue 20151028 (Reply +2)； For the other +3) - HCBBS Forum
99. Haichuan Section: Q&A on Restructuring Techniques, Help Posts - HCBBS Forum
100. 【11.5-11 Weekly Question】+2 to participation score, +3~20 to correct answer score - HCBBS Forum