English — Forum #723 (Page 443/642)

1. Regarding the charging for construction scaffolding - HCBBS Forum
2. How to automatically update the initial value of the mass flow rate for stream flows with one click? - HCBBS Forum
3. Does a reciprocating piston pump have the function of sucking (drawing in) water while it is operating? - HCBBS Forum
4. 【Accident Case】--Illegal earthwork operations - HCBBS Forum
5. I want to learn pressure vessel analysis and design on my own. Could you recommend any introductory books or textbooks? - HCBBS Forum
6. Advances in coal chemical gasification technology and development recommendations - HCBBS Forum
7. What should be noted during the storage and transportation of resin? - HCBBS Forum
8. Kill all methanol-based gasoline at once - HCBBS Forum
9. 【Daily Question】11.23 True or False: The intensity of the rotten egg smell of hydrogen sulfide is directly proportional to its concentration. （ ） - HCBBS Forum
10. 【Daily Question】Question from Issue 20151118 - HCBBS Forum
11. One question per day (1122) - HCBBS Forum
12. How is the water quality in boiler feedwater controlled? ? - HCBBS Forum
13. 【Boiler Weekly Question from November 23-29】Multiple-choice Questions - HCBBS Forum
14. On the issue of local resistance in fittings - HCBBS Forum
15. Overview of integrated flue gas desulfurization and denitration technologies - HCBBS Forum
16. Hydrogen peroxide concentration monitor - HCBBS Forum
17. Sign-in record post from November 20, 2015 - HCBBS Forum
18. “Unveiling the “Limits of Explosion” - HCBBS Forum
19. What is the distinction in the medium codes for steam in the process flow diagram? - HCBBS Forum
20. What interlock will be triggered by a low temperature of the seal air for the turbine shaft seal? - HCBBS Forum
21. Joint Learning*1116: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
22. Suddenly no flow at the outlet of the ammonium methoxide pump during normal operation - HCBBS Forum
23. What are the safety functions of a stamping safety device? - HCBBS Forum
24. Why do fillet welds perform worse than butt welds? - HCBBS Forum
25. What issues should users carefully consider when selecting a suitable crane for a hoist? - HCBBS Forum
26. It’s snowing heavily in Zhengzhou - HCBBS Forum
27. The influence of hydrogen content in coal on the gasification reaction - HCBBS Forum
28. Yellow solids appear in the reflux tank and reflux pump - HCBBS Forum
29. Everyone, take question 77-2: Multiple-choice question 63 from the 2015 First-Class Constructor Examination in \"Project Management\"; there will be a reward for those who answer it correctly - HCBBS Forum
30. Temperature control in Unipol fluidized bed polypropylene reactor - HCBBS Forum
31. Seeking help with seismic and time-history analysis in stress analysis - HCBBS Forum
32. ----Problems with pump cooling water---- - HCBBS Forum
33. Layout requirements for discharge pumps in the acid and alkali tank area - HCBBS Forum
34. Questions about sodium hydrogen sulfide； - HCBBS Forum
35. Heat exchanger design for MVR equipment used in traditional Chinese medicine and chemical concentration processes - HCBBS Forum
36. 【Daily Question】On November 20, steam injected into the riser contained water, causing a significant increase in the temperature at the riser outlet (reaction temperature) - HCBBS Forum
37. Can the alarm error messages on the iF* platform be sent to the LED subtitle machine? - HCBBS Forum
38. Overview of the two-column distillation process for crude methanol? - HCBBS Forum
39. 【Weekly Topic】Topics on environmental protection equipment (third week of November) - HCBBS Forum
40. Does the power distribution room require 24/7 staffing? - HCBBS Forum
41. Accept the time lag between efforts and rewards - HCBBS Forum
42. Revealing the selection of anti-cavitation high-pressure control valves - HCBBS Forum
43. Types of oxygen detectors - HCBBS Forum
44. Joint Learning*1123: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
45. How to improve spoken language skills - HCBBS Forum
46. Investigation into the causes of periodic fluctuations in the outlet pressure of ammonia compressors (twin-screw type) - HCBBS Forum
47. Storage tank - HCBBS Forum
48. Compressor unit lubricating oil station tank temperature - HCBBS Forum
49. What are static tests and dynamic tests in wastewater treatment, and what are the differences and connections between them? - HCBBS Forum
50. Environmental Protection Daily Quiz 11.19: Participate for prizes; 3 correct answers and another 3 prizes will be given - HCBBS Forum
51. Some questions regarding the operation of slaughterhouse wastewater - HCBBS Forum
52. Can a Venturi anemometer still measure flow rate in reverse flow? - HCBBS Forum
53. 【Daily Question No. 31】November 23, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
54. Regarding the auxiliary mechanisms of portal cranes - HCBBS Forum
55. Ultrasonic water meter - HCBBS Forum
56. Measurement of gas phase temperature at the middle section of a packed tower - HCBBS Forum
57. Faults causing noise in belt conveyors and their solutions - HCBBS Forum
58. Environmental Protection Daily Quiz 11.24: Participate for prizes; 3 correct answers and you’ll get another 3 as a reward - HCBBS Forum
59. Difference between radial furnaces and axial-radial furnaces in conversion furnaces - HCBBS Forum
60. Question 97 on Boiler Foundations, November 22: (A certain score will be given to the top 50) - HCBBS Forum
61. How to upgrade the PDMS library - HCBBS Forum
62. Should one leave the company if it’s not profitable? - HCBBS Forum
63. I need help: is it necessary to apply water pressure after the superheater of a waste heat boiler has been installed? If necessary, should it be installed separately or together with the boiler? - HCBBS Forum
64. Classic safety training is like a revelation - HCBBS Forum
65. Spending money to celebrate the 4th anniversary of Haichuan – thanks to all my fellow Haizhou friends for their support and help. - HCBBS Forum
66. Seeking a flowchart of the gas flow within the Jutuo DC-C internal components - HCBBS Forum
67. 20151117 Daily Question - HCBBS Forum
68. What exactly is thermobaric compensation? - HCBBS Forum
69. Civil Engineering Structure Discussion Area ---- [Daily Question] Question from the 20151123 issue - HCBBS Forum
70. 【Daily Question】November 17, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
71. 【Daily Question】Question from Issue 20151116 - HCBBS Forum
72. Fault detection techniques for crane hook assemblies - HCBBS Forum
73. Regarding the issue of loading measurement - HCBBS Forum
74. Joint Learning*1120: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
75. I want to learn about control valves systematically – do you have any good suggestions? - HCBBS Forum
76. Questions about heat transfer oil! Urgent - HCBBS Forum
77. 【Daily Question】Question from Issue 20151116 - HCBBS Forum
78. Power distribution for Class A workshops - HCBBS Forum
79. I would like to ask the experts: how should idle rotary machines be protected over a long period of time? - HCBBS Forum
80. 24-character strategy for preventing and controlling heavy metal pollution in soil - HCBBS Forum
81. Obtain Class B boiler certificate - HCBBS Forum
82. Heat exchanger calculation - HCBBS Forum
83. 【Daily Question】11.21 Multiple-choice question: The auto-ignition temperature of domestic light diesel is generally in the range of (　)°C. - HCBBS Forum
84. 【Daily Question】November 19, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
85. What does H mean in 12Cr2MoR(H)? - HCBBS Forum
86. Safety valve and rupture disc diameter specifications - HCBBS Forum
87. What is a hook safety inspection? - HCBBS Forum
88. Please provide the contact information for the Chinese office of HORA and CV’s temperature reduction pressure regulators - HCBBS Forum
89. Environmental Protection Daily Quiz: November 20 – Participate for prizes; 3 correct answers earn an additional prize - HCBBS Forum
90. Joint Learning*1119: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
91. How long does the emergency fire lighting last? - HCBBS Forum
92. Tips to reduce the maintenance costs of truck cranes - HCBBS Forum
93. Regarding the cooling capacity issue - HCBBS Forum
94. 【Daily Question】11.19 Fill-in-the-blank: When the amount of acidic gas decreases, the air supply volume should be appropriately (), to prevent excess oxygen after combustion - HCBBS Forum
95. What is exhaust gas recirculation low-NOx technology? - HCBBS Forum
96. Ultrasonic flowmeters do not have an instantaneous flow rate - HCBBS Forum
97. Phosphorus source in aerobic systems - HCBBS Forum
98. Environmental Protection Daily Quiz 11.22: Participate for prizes; 3 correct answers and another 3 prizes will be given - HCBBS Forum
99. Common purging methods for chemical processing units - HCBBS Forum
100. What type of waste boiler is used in the E-gas gasification technology? - HCBBS Forum