English — Forum #723 (Page 509/642)

1. Diesel hydrogenation reaction temperature - HCBBS Forum
2. Regarding lubrication and operating loads - HCBBS Forum
3. Is a welding machine the same as an TIG welding machine? - HCBBS Forum
4. Corrosion prevention in the coal tar processing industry - HCBBS Forum
5. 【Daily Question】Question from Issue 20151004 - HCBBS Forum
6. 2015 Sulfuric Acid Annual Conference Materials - HCBBS Forum
7. Analysis of the reasons for centrifugal pump tripping - HCBBS Forum
8. On straw biofertilizer - HCBBS Forum
9. Regarding the measurement with the Rosemount 8732E electromagnetic flowmeter - HCBBS Forum
10. Air separation purge plan - HCBBS Forum
11. On the topic of ‘Green Construction’ (first week of October) - HCBBS Forum
12. I would like to ask how the waste gases generated after the chlorination of toluene (hydrogen chloride, residual chlorine) are treated? - HCBBS Forum
13. What types of moving equipment are there in a liquefied natural gas project? - HCBBS Forum
14. “Haichuan Irrigation Co., Ltd. Convenience Store”: Will you admire the moon on the Mid-Autumn Festival today? - HCBBS Forum
15. Plan to visit chemical companies dealing with chlor-alkali products and similar in the areas around Shandong and Henan this month - HCBBS Forum
16. A short holiday during National Day – a leisurely trip before the typhoon arrives - HCBBS Forum
17. German high-pressure coal slurry pump - HCBBS Forum
18. How to effectively extend the service life of lifting chains - HCBBS Forum
19. 【Daily Question】9.26 Reply +2； For +3~8 - HCBBS Forum
20. 【Daily Question No. 23】September 25, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
21. 【Daily Question】9.30 Reply +2； For +3~8 - HCBBS Forum
22. How to monitor online the conversion rate of liquid-phase materials and the degree of polymerization in chemical production - HCBBS Forum
23. Regarding welder qualifications - HCBBS Forum
24. How should wastewater be treated during the commissioning of a chemical plant? - HCBBS Forum
25. 【Daily Question】Question from Issue 20150926 - HCBBS Forum
26. I have a question regarding the alignment of the pump set; thank you - HCBBS Forum
27. Does a computer still need an optical drive? - HCBBS Forum
28. Investigation into the reasons for low yield in distillation systems - HCBBS Forum
29. September 28: Question 45 on boiler foundations – true or false question: (A certain score will be given to the top 40 participants) - HCBBS Forum
30. How does a boiler control steam pressure? ! - HCBBS Forum
31. The heat exchange tube cracked under water pressure; I need help online, it’s urgent. - HCBBS Forum
32. Mechanical seal compression amount issue - HCBBS Forum
33. Others' posts can end up here! - HCBBS Forum
34. Photo of broken shaft - HCBBS Forum
35. Optimization of circulating water pump settings - HCBBS Forum
36. How to reduce the odor in hazardous waste storage areas? - HCBBS Forum
37. 【Production and Management Division】Special Post on Wage and Bonus Disbursement in September 2015 - HCBBS Forum
38. The flow rate of the electromagnetic flowmeter suddenly decreases - HCBBS Forum
39. Chuanyi mechanical positioner - HCBBS Forum
40. Where are self-priming pumps used, and where are submersible pumps used? - HCBBS Forum
41. Why is the operating range of the space furnace 60-110%? - HCBBS Forum
42. Regarding the issue of inserting a section of copper wire in the middle of the compensation wire for hot junctions - HCBBS Forum
43. In the PFD diagram, the materials are divided into initial and final stages; what cycle does the high quench case correspond to? - HCBBS Forum
44. Zero discharge of coal chemical industry wastewater - HCBBS Forum
45. Which company is strong in regulating valves? - HCBBS Forum
46. Sign-in record post from September 26, 2015 - HCBBS Forum
47. Definition of the WEI*AN Chemicals Construction Project - HCBBS Forum
48. Is the chloride content controlled in the water used for water cooling after heat treatment of austenitic stainless steel pipes? - HCBBS Forum
49. What are the problems associated with the use of bottom valves in self-priming pumps that have such valves installed? - HCBBS Forum
50. 【Daily Question】Issue 20150924 Test - HCBBS Forum
51. The future of coal tar pitch - HCBBS Forum
52. Converter sampling point - HCBBS Forum
53. Rewards from National Day - HCBBS Forum
54. Environmental Protection Daily Quiz: Participate on 9.25 for a prize; an additional reward for correct answers - HCBBS Forum
55. VCM device re*** question - HCBBS Forum
56. Newbie seeking analysis of material for wire-wound temperature sensor - HCBBS Forum
57. Please provide a solution. Synthesis section - HCBBS Forum
58. 【College Activities】032+ Fun University Stories – Do You Have Any? +Those who watch the sea - HCBBS Forum
59. What is the difference between dry and wet contacts, as well as active and passive signals? - HCBBS Forum
60. How to weld brass B30 to carbon steel? - HCBBS Forum
61. Newcomer Report - HCBBS Forum
62. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 319 - HCBBS Forum
63. Selection and calculation issues for cooling towers - HCBBS Forum
64. Abbreviations in the Aspen control panel - HCBBS Forum
65. Some questions about screw compressors - HCBBS Forum
66. Selection of flue gas purification, desulfurization, and denitrification technologies for newly installed catalytic devices - HCBBS Forum
67. Could a low amount of methanol sprayed cause blockages in E3025/3026? - HCBBS Forum
68. College Life 1 and 2 - HCBBS Forum
69. What types of jobs do people with a degree in chemical engineering end up doing? - HCBBS Forum
70. Doubts about the point guard in the Asian Championship squad - HCBBS Forum
71. Suspension bed residue hydrodesulfurization - HCBBS Forum
72. It seems that the introductions for the new post feature are no longer being updated - HCBBS Forum
73. Recycling of nickel-based catalysts for hydrogenation reactions - HCBBS Forum
74. What are the causes and hazards of water in the process gas of the gasification furnace? - HCBBS Forum
75. Under what circumstances is it necessary to implement the three simultaneities for technological upgrades? - HCBBS Forum
76. Sign-in record post from October 2, 2015 - HCBBS Forum
77. What causes the sudden increase in the total hardness of the ash water from space furnaces? - HCBBS Forum
78. Technical discussion on vehicle urea - HCBBS Forum
79. Can the by-products of ammonia-based desulfurization solutions be converted into sodium salts? - HCBBS Forum
80. Process flow diagram of the full conversion process in the conversion furnace - HCBBS Forum
81. Investment in catalytic slurry furfural extraction unit - HCBBS Forum
82. Fixed-point thickness measurement for chemical process pipelines - HCBBS Forum
83. August 2015 Outstanding Original Technology Theme Selection Contest (Advanced Selection Phase for the Technology Category) - HCBBS Forum
84. What would you say if your colleague made a mistake? - HCBBS Forum
85. Friends in Sichuan, I’m looking for 3D factory equipment and pipeline layout diagrams - HCBBS Forum
86. The Allen-Bradley M6 requires a virtual network card – how exactly does one set it up? - HCBBS Forum
87. 【Daily Question】Question from Issue 20150929 - HCBBS Forum
88. Could the “Sea River Irrigation Co., Ltd. Shop” organize some event related to the National Day holiday for tourism purposes? - HCBBS Forum
89. Is there a requirement for hardening the ground around fire hydrants? - HCBBS Forum
90. 【Daily Question】10.2 Back + 2； For +3~8 - HCBBS Forum
91. What type of flow meter is suitable for measuring liquid oxygen? - HCBBS Forum
92. Hydrogen pressure in anthracene oil hydrogenation unit - HCBBS Forum
93. One Question per Day, September 25, 2015 - HCBBS Forum
94. Operation of the fractionation tower - HCBBS Forum
95. What are the principles for selecting safety valves for tower equipment? - HCBBS Forum
96. Seeking advice on the corrosion of 316L and pure titanium in strongly alkaline solutions - HCBBS Forum
97. Gasoline desulfurization alcohol - HCBBS Forum
98. Newcomer Report - HCBBS Forum
99. Advantages and disadvantages of ammonia desulfurization for coke oven gas - HCBBS Forum
100. Is it necessary to use a phone screen protector? - HCBBS Forum