English — Forum #723 (Page 468/642)

1. Selection methods for small-diameter sleep measurement devices - HCBBS Forum
2. On the gasification issue during the startup of high-speed centrifugal pumps - HCBBS Forum
3. Over-temperature treatment method for converter - HCBBS Forum
4. What are the steps for operating a flush level gauge? - HCBBS Forum
5. Regarding what a preheater is. - HCBBS Forum
6. Having a peaceful and carefree heart is the happiest thing - HCBBS Forum
7. How to monitor the residue in the pipeline? - HCBBS Forum
8. Sign-in record post from November 3, 2015 - HCBBS Forum
9. Don’t you all feel that there have been significantly more inspections related to safety and environmental protection this year? - HCBBS Forum
10. Piglet muttered, \"It’s cold; we need to start the boiler. Let me teach you a few ways to determine whether micro-pressure or ultra-micro-pressure instruments are of good quality.\" - HCBBS Forum
11. What’s going on with the Rockets this new season? Is Harden possessed? - HCBBS Forum
12. 【Daily Question】Question from Issue 20151027 - HCBBS Forum
13. Civil Engineering Structure Discussion Area ---- [Daily Question] Question from Issue 20151103 - HCBBS Forum
14. 【Daily Question】Question from Issue 20151102 - HCBBS Forum
15. What does non-destructive testing of welds include? - HCBBS Forum
16. Find the crystallization temperature of 70%*ao acid - HCBBS Forum
17. Daily Question, October 30, 2015 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
18. Can you believe so much work was done in just 10 minutes? - HCBBS Forum
19. The relationship between ammonia nitrogen and total nitrogen in the wastewater treatment process - HCBBS Forum
20. Crude benzene production - HCBBS Forum
21. Why do overhead cranes tip over? - HCBBS Forum
22. Purging of 100m3 liquid nitrogen storage tank - HCBBS Forum
23. Could you help calculate the density of ethanol? - HCBBS Forum
24. How to create a factory-like grounding system at home - HCBBS Forum
25. 【Daily Question】10.30 True or False: COD is biological oxygen demand ( ) - HCBBS Forum
26. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 204 - HCBBS Forum
27. 【New Energy Applications】China’s photovoltaic industry discovers a new source of revenue: raising hairy crabs under solar panels - HCBBS Forum
28. Compressor impeller cleaning - HCBBS Forum
29. Daily Question No. 13】October 28, 2015: +2 wealth for participation, +3 additional wealth for correct answers - HCBBS Forum
30. Keep your mind at ease; life is like a calm body of water. - HCBBS Forum
31. What happens to the furnace pressure when the cracking heater is shut down? - HCBBS Forum
32. Seeking expert advice: How to treat sodium sulfate wastewater? - HCBBS Forum
33. 【Daily Question】Question from Issue 20151029 - HCBBS Forum
34. Ball valve, Gate valve, Globe valve – English names - HCBBS Forum
35. Newbie’s question post regarding online density analyzers - HCBBS Forum
36. What are the differences between the Zhengguo 20-ton coal-fired chain steam boiler and the Wuxi Xinen 20-ton coal-fired chain steam boiler? - HCBBS Forum
37. Looking for a job in the field of automation, hoping to work in design - HCBBS Forum
38. Seeking advice from experts: What is the significance of temperature monitoring at the top, upper middle, and middle sections of a packed tower? - HCBBS Forum
39. How should TRUNNION in ball valves be translated? Is it an ear shaft? - HCBBS Forum
40. Into which two main categories are the lifting methods for tower-type equipment divided? - HCBBS Forum
41. Heat exchanger - HCBBS Forum
42. Heat pipes are used to recover the waste heat from flue gas; what is the optimal mass flow rate in this context? - HCBBS Forum
43. Requirements for the wet metallurgy of vanadium used in vanadium batteries - HCBBS Forum
44. 【Daily Question No. 45】November 02, 2015: +2 wealth for participation, +3 to +8 wealth for correct answers - HCBBS Forum
45. Briefly describe the preparation method of copper-based catalysts? - HCBBS Forum
46. What is the impact of controlling the hydrogen-to-carbon ratio on methanol synthesis? - HCBBS Forum
47. Quantitative control of biochemical pH - HCBBS Forum
48. How many types of balance are there in circulating fluidized bed boilers? - HCBBS Forum
49. Can a fire dike for storage tanks be designed in a circular shape? - HCBBS Forum
50. What should be done with the sulfur in the pit outside the sulfur-sealing tank? - HCBBS Forum
51. 【Daily Question】Question from Issue 20151031 - HCBBS Forum
52. How much medium can a DN100 pipe carry approximately - HCBBS Forum
53. Impact of high exhaust temperature in the three stages of a reciprocating compressor on the unit - HCBBS Forum
54. Super Klaus manufacturer - HCBBS Forum
55. What are the density testing methods for tower-type equipment? - HCBBS Forum
56. How can unstable flow rates in electromagnetic flowmeters and vortex flowmeters be corrected? - HCBBS Forum
57. How to lay the pressure guide pipe? What should be the slope of the pipe? - HCBBS Forum
58. Seek domestic flame arresters - HCBBS Forum
59. Environmental Protection Daily Question 11.4: Participate for prizes; 3 correct answers earn an additional prize, and following male health topics can also be considered as a form of environmental protection - HCBBS Forum
60. Seek information on the structure of hydrocracking heaters. - HCBBS Forum
61. Can pickled vegetable soup corrode copper bars? - HCBBS Forum
62. What are the hazards of sulfur dioxide? - HCBBS Forum
63. ABAQUS simulation of material plastic strain - HCBBS Forum
64. I need help understanding how pressure vessels used in refrigeration systems should be inspected - HCBBS Forum
65. Why is it better to have a higher tower pressure? - HCBBS Forum
66. Comparison of differential pressure transmitters - HCBBS Forum
67. Ammonia nitrogen increases instead of decreasing after entering the aerobic tank - HCBBS Forum
68. I am looking for a book that provides detailed explanations of various Aspen modules (preferably one related to cyclone separators) - HCBBS Forum
69. On the comprehensive treatment of coal chemical industry wastewater - HCBBS Forum
70. Song on Health Preservation in the Four Seasons - HCBBS Forum
71. The development speed of China’s valve industry has slowed down - HCBBS Forum
72. Operation status of the LNG production project using coke oven gas from Jianyuan Coal Coking in Ejin Horo Banner, Inner Mongolia - HCBBS Forum
73. 【Daily Question】Question from Issue 20151027 - HCBBS Forum
74. Doubts about valve sealing tests - HCBBS Forum
75. I’m taking the intermediate exam now; is a junior-level employment certificate required? - HCBBS Forum
76. Can two Class C warehouses 20 meters apart share the same fire alarm system and one fire control room? - HCBBS Forum
77. What are the common shapes of containers? - HCBBS Forum
78. Which is more difficult to treat, ammonium chloride and sodium chloride wastewater? - HCBBS Forum
79. 【Daily Question No. 20】November 6, 2015: +2 wealth for participation, +3 additional wealth for correct answers - HCBBS Forum
80. Zhenhai’s world’s only closed-system coking plant enters trial operation - HCBBS Forum
81. How many papers are required for obtaining a senior professional title in the chemical engineering field in Shandong Province, how many words should each paper have, and what is the level of the journals required? - HCBBS Forum
82. One post per day - HCBBS Forum
83. Supervisor and current manager - HCBBS Forum
84. Can a backing plate be heat-treated without ventilation holes? - HCBBS Forum
85. 【Daily Question】11.5 True or False: What is the vapor pressure of petroleum products related to? - HCBBS Forum
86. Does the temperature of the turbine oil affect the vibration levels of the turbine? - HCBBS Forum
87. 【Daily Question】Question from Issue 20151030 - HCBBS Forum
88. Toothache isn’t a serious illness, but when it hurts, it’s unbearable - HCBBS Forum
89. Leakages in the regenerator and settler - HCBBS Forum
90. An objective evaluation of the Yankuang coal-to-oil project - HCBBS Forum
91. Is it necessary to install a check valve at the nitrogen gas outlet of the distillation column in cryogenic air separation? - HCBBS Forum
92. Questions about the fire protection design codes for petrochemical enterprises? - HCBBS Forum
93. Heating Furnace Standard SHF001---90 - HCBBS Forum
94. Are the measurement of the unit’s axial vibration and axial displacement the same thing? - HCBBS Forum
95. What are the main causes of the increase in CO2 concentrations in the atmosphere? - HCBBS Forum
96. The amusing operator - HCBBS Forum
97. 【Daily Question】Chemical Engineering Principles 217: Distillation Equilibrium Lines (October 29) - HCBBS Forum
98. 【Daily Question】2015.10.29 (1 wealth point for replying, plus 3–8 additional wealth points for a correct answer) - HCBBS Forum
99. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 206 - HCBBS Forum
100. 【Daily Question】Question for Issue 20151028 - HCBBS Forum