English — Forum #723 (Page 191/642)

1. There are still 40 days left to prepare for the professional exam; seeking study partners and group members - HCBBS Forum
2. 【Daily Topic】【HVAC Version 20160724】 - HCBBS Forum
3. Metal proximity sensors and non-metal proximity sensors - HCBBS Forum
4. What safety training is required for external construction workers? - HCBBS Forum
5. Please provide the purge plan for hydrocracking - HCBBS Forum
6. Environmental Protection Daily Tip – July 27: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
7. News I only found out about while chatting with my girlfriend - HCBBS Forum
8. Fundamental issues of vertical heat exchangers - HCBBS Forum
9. Issues regarding gas resistance in the absorption tower - HCBBS Forum
10. Among the professional exams in recent years, which year’s case was the most difficult? Was it in 2014? - HCBBS Forum
11. Why did the chemical storage fire occur after an \"safety inspection\"? (Source: Beijing News) - HCBBS Forum
12. Reactor bottom bearing - HCBBS Forum
13. Do you have any questions regarding the treatment of ammonia nitrogen wastewater? ? - HCBBS Forum
14. Environmental Protection Daily Tip – July 17: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
15. Accident case analysis: one question per Monday (12). +3 wealth for participation, plus an additional 1–14 wealth for correct answers - HCBBS Forum
16. Profibus-PA to FF bus - HCBBS Forum
17. Weekly Urea Market Report for the Third Week of July 2016 - HCBBS Forum
18. Regarding obtaining the \"Pressure Vessel Audit Qualification Certificate\" - HCBBS Forum
19. Oil blending Calculation of tank truck capacity - HCBBS Forum
20. Logs – why is there a sliding verification requirement, yet it can’t be used? - HCBBS Forum
21. Those who need the metering pump training materials, please leave your email address - HCBBS Forum
22. I have a heat exchange device here that is not working properly; could you tell me why? - HCBBS Forum
23. Reasons for crude product formation in the 70 polymerization reactor - HCBBS Forum
24. Do you think the Warriors did well or badly by signing Adou? - HCBBS Forum
25. RFP for circulating hydrogen compressor - HCBBS Forum
26. Sign-in record post from July 23, 2016 - HCBBS Forum
27. 【Daily Topic】【HVAC Version 20160717】 - HCBBS Forum
28. Is there a difference between buffers and buffer tanks? What is the difference between the primary buffer tank and the secondary buffer tank (installation location)? - HCBBS Forum
29. With a ash content of 0.38% in the catalytic slurry, can this be used to determine the level of catalyst dust? - HCBBS Forum
30. Matching issues between pump equipment and pipelines - HCBBS Forum
31. How to choose between the two standards for stainless steel fittings - HCBBS Forum
32. The difference between engineering changes and engineering visas - HCBBS Forum
33. Replace the screw compressor oil filter element? - HCBBS Forum
34. Does HTRI 6.0 have a module for falling film evaporation? - HCBBS Forum
35. The desulfurization and denitrification industry is widespread today, yet there are no good standards or regulations - HCBBS Forum
36. Determination of the number of inert gas purging cycles for storage tanks - HCBBS Forum
37. 【Daily Topic】【Electrical Edition 20160716】 - HCBBS Forum
38. Gauge pressure and absolute pressure - HCBBS Forum
39. Forum page redesign - HCBBS Forum
40. Ductile iron and cast iron - HCBBS Forum
41. Regarding the shutdown of the internally compressed argon system - HCBBS Forum
42. Questions about using an inverter with a regular motor - HCBBS Forum
43. Polycarbonate grades - HCBBS Forum
44. 【Daily Topic】【Electrical Edition 20160718】 - HCBBS Forum
45. Air cooler design software – Simplified Chinese version - HCBBS Forum
46. Safety Technology Exchange Edition: Daily Question (2016.7.20) - HCBBS Forum
47. ZJU Zhongkong PING - HCBBS Forum
48. Are there any regulations regarding the distance between the wall and the road? ? If so, please provide the relevant legal provisions. Thank you! - HCBBS Forum
49. Kraus catalyst performance parameters - HCBBS Forum
50. Seeking advice on equipment and material procurement - HCBBS Forum
51. Celebrate Celebrate - HCBBS Forum
52. Cooler - HCBBS Forum
53. Help needed with the theoretical plate number for question 36 in the 2014 case and question 38 in the 2010 case - HCBBS Forum
54. The issue of adjusting the float with water - HCBBS Forum
55. 【Idiom Chain】Let’s go! 7.18 Alone in a foreign land - HCBBS Forum
56. With Brexit, can you feel the changes? - HCBBS Forum
57. Can excessive negative pressure in the engine’s fuel tank cause oil to flow back, resulting in significant shock vibrations in the tank? - HCBBS Forum
58. About the workplace - HCBBS Forum
59. Safety Technology Exchange Edition: Daily Question (2016.7.14) - HCBBS Forum
60. Low-temperature steel composite plate - HCBBS Forum
61. Quality inspection of calcium carbide for PCV production by the calcium carbide method and settlement methods - HCBBS Forum
62. Inspection Plan for 29MW Hot Water Boiler - HCBBS Forum
63. There is a potential difference of around 12V between the instrumentation circuit and the electrical circuit - HCBBS Forum
64. Feed condition of the falling film evaporator - HCBBS Forum
65. In Zhejiang University’s ZHKong DCS, how can a signal be divided and sent to two different locations? - HCBBS Forum
66. Is there a systematic approach to analyzing the reasons? - HCBBS Forum
67. 【Daily Topic】【Electrical Edition 20160717】 - HCBBS Forum
68. Honeywell transmitter - HCBBS Forum
69. How can tar be removed from tar-containing wastewater? - HCBBS Forum
70. 【Daily Topic】【Production Version 20160727】 - HCBBS Forum
71. Regarding the issue of returning flue gas from coke ovens back into the furnace - HCBBS Forum
72. Is there any regulation regarding the distance from the control room and the power distribution room to the road? - HCBBS Forum
73. Direction of equipment outlet - HCBBS Forum
74. Sealing type of used sulfuric acid pumps - HCBBS Forum
75. The cooling water contains 300 ppm of chlorides; what type of pipe material should be used? - HCBBS Forum
76. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； July 25th - HCBBS Forum
77. Is the denitration liquid ammonia considered a pressure pipeline? Is non-destructive testing and inspection required? - HCBBS Forum
78. For vacuum equipment where the medium is flammable, explosive, and toxic, what type should be used – flanges with sealing surfaces? - HCBBS Forum
79. Preventive maintenance of control valves - HCBBS Forum
80. In the hydroprocessing of gasoline and diesel using a two-stage buffer tank design, where is the typical mixing location for coker gasoline and diesel feedstocks? - HCBBS Forum
81. Statistics on coal chemical projects under construction, planned, or already completed in Xinjiang - HCBBS Forum
82. Which company is best at producing acid-resistant fluorinated chemical pumps that can withstand 130°C? - HCBBS Forum
83. Regarding the pressure controller installed on the pump - HCBBS Forum
84. Is it necessary to issue a equipment maintenance work order for replacing a valve? - HCBBS Forum
85. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； July 14th - HCBBS Forum
86. Shutter - HCBBS Forum
87. Personnel allocation in refining and chemical enterprises - HCBBS Forum
88. 【Daily Topic】【Production Version 20160719】 - HCBBS Forum
89. Which manufacturers are good at making filters? - HCBBS Forum
90. 1,2-Cyclohexanediol diglycidyl ether - HCBBS Forum
91. Urgently seeking domestic manufacturers capable of producing 40,000L enamel reactors! ! ! - HCBBS Forum
92. Seeing so many highly talented people looking for jobs makes me, a junior college graduate, feel utterly inadequate, haha~! - HCBBS Forum
93. High-silicon stainless steel valves, pipelines - HCBBS Forum
94. Industrial sewing and packing machine - HCBBS Forum
95. Is SO3 generated in the Claus reaction process for sulfur recovery? - HCBBS Forum
96. Why is there a lot of foam in the aeration tank, and why doesn’t it break down easily? - HCBBS Forum
97. 【Weekly Topic】【Storage & Transportation Version 20160722】 - HCBBS Forum
98. Problems with continuous crystallization - HCBBS Forum
99. In what situations is it necessary to divide them into upper and lower towers? - HCBBS Forum
100. Can the cluster foundation ring be directly welded to the steel plates embedded in the civil engineering foundation? - HCBBS Forum