English — Forum #723 (Page 236/642)

1. The relationship between the stripping section, the feed section, and the rectification section - HCBBS Forum
2. Safety Technology Exchange Edition: Daily Question (2016.6.21) - HCBBS Forum
3. Steam coil problems - HCBBS Forum
4. 【Q&A Question 051】June 10, 2016 - HCBBS Forum
5. Form is emptiness - HCBBS Forum
6. 【First-Class Constructor Project Management Practice Questions】009 - HCBBS Forum
7. Discussion on online cleaning of the oil and gas line in the coke tower after coking occurs, aimed at reducing throughput - HCBBS Forum
8. 【Weekly Topic】【 Quality Version 20160614】 - HCBBS Forum
9. 【Daily Topic】【Production Version 20160614】 - HCBBS Forum
10. THEi faculty and students develop dust-transforming coatings for pollutants - HCBBS Forum
11. Regarding the issue of failed startup with the 10X10 square silicon core - HCBBS Forum
12. ABB inverter grounding fault - HCBBS Forum
13. Issues related to professional title theses - HCBBS Forum
14. Operation of sulfur melting furnace - HCBBS Forum
15. Seek help regarding the pump interlock control process - HCBBS Forum
16. What kind of water can be used in temperature reducers? - HCBBS Forum
17. 【Daily Question】The title of the poem, the author, the dynasty, and the official position held - HCBBS Forum
18. Removal of chlorobenzene from HCl gas - HCBBS Forum
19. 【Daily Topic】【Civil Engineering Version 20160614】 - HCBBS Forum
20. Friends who are familiar with Anchun in Hunan, come and take a look - HCBBS Forum
21. Reasons for high high and low pressures of the refrigerant in a cold dryer - HCBBS Forum
22. Energy-saving issues of high-speed centrifugal pumps - HCBBS Forum
23. Difference Between FRP and GRP - HCBBS Forum
24. Centrifuge - HCBBS Forum
25. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 03 - HCBBS Forum
26. Salt acid distillation - HCBBS Forum
27. The issue of color blindness - HCBBS Forum
28. Do you have the three bad habits of safety management professionals? - HCBBS Forum
29. Shanxi Coal Chemical Research Institute completed an industrial single-tube experiment on the production of methanol via carbon dioxide hydrogenation - HCBBS Forum
30. Five quotes for one valve – which one would you choose as a purchaser? - HCBBS Forum
31. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 23 - HCBBS Forum
32. CRYOSTAR liquid pump casing dashboard seal air filter element - HCBBS Forum
33. Aspen Plus simulation of the final boiling point of petroleum products - HCBBS Forum
34. Is an empty container containing a surfactant (with properties similar to laundry detergent) considered hazardous waste? - HCBBS Forum
35. Safety Technology Exchange Edition: Daily Question (2016.6.16) - HCBBS Forum
36. I would like to ask how to design a climbing ladder - HCBBS Forum
37. Post on salary payment for the touring team in May 2016 - HCBBS Forum
38. 【First-Class Constructor Project Management Practice Questions】005 Uses of the Project Information System - HCBBS Forum
39. Centrifugal pump pressure drop - HCBBS Forum
40. 100-Day Countdown to the First-Class Constructor Exam - HCBBS Forum
41. 【Daily Topic】【Civil Engineering Version 20160612】 - HCBBS Forum
42. Who is responsible for applying lead seals to the stop valves or gate valves located before the safety valve? - HCBBS Forum
43. Whether you do well or poorly on the exam, mom is waiting for you to come home for dinner - HCBBS Forum
44. Regarding gaskets - HCBBS Forum
45. Seeking answers regarding equipment material issues - HCBBS Forum
46. Weld hardness issue - HCBBS Forum
47. What things need to be noted when swimming? - HCBBS Forum
48. Please give a simple and easy-to-understand explanation of the Káro cycle. - HCBBS Forum
49. Acidic water stripping reboiler - HCBBS Forum
50. What flow meter is used for industrial ammonia water? - HCBBS Forum
51. 【Weekly Topic】【Storage & Transportation Version 20160614】 - HCBBS Forum
52. 【Euro Cup Big Bet】09 England vs Wales - HCBBS Forum
53. Desulfurization treatment of coal charging flue gas and coke discharge flue gas - HCBBS Forum
54. 【 Alkylation 】 Request for the research report on alkylation in the first half of 2016 - HCBBS Forum
55. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 12 - HCBBS Forum
56. Request information on Colin furnace data - HCBBS Forum
57. Calibration coefficient for fixed combustible gas detectors - HCBBS Forum
58. Seeking advice on the material issues of distillation towers - HCBBS Forum
59. What is the difference between DCS interlock and SIS interlock? Which one is more priority? - HCBBS Forum
60. Reinstalling the valve: how to achieve the ideal preload value - HCBBS Forum
61. Regarding the question of whether a truck unloading nozzle is necessarily required for unloading Class A liquids? - HCBBS Forum
62. Why is COD in coking wastewater difficult to degrade? - HCBBS Forum
63. 【Daily Topic】【Civil Engineering Version 20160619】 - HCBBS Forum
64. Compressor ES90-1+2+1+1+1 - HCBBS Forum
65. Is the worst period for the coal industry coming to an end? - HCBBS Forum
66. Boiling point of water at high pressure - HCBBS Forum
67. 【Idiom Chain】Episode 8 of 6.18 is off! Haichuan Chemical Forum. - HCBBS Forum
68. Do you know what types of waste can be treated by different methods for treating petrochemical wastewater? - HCBBS Forum
69. 【Weekly Topic】【Home Version 20160608】Did you have a good Dragon Boat Festival? - HCBBS Forum
70. In safety management, it is important to know how to enforce rules and avoid creating habits – can you do that? - HCBBS Forum
71. Looking back at safety incidents in reaction vessels and distillation kettles, many lessons cannot be ignored - HCBBS Forum
72. Compressor, steam turbine - HCBBS Forum
73. Liquid ammonia safety monitoring plan - HCBBS Forum
74. What impact does raising the temperature of the gas preheater from 35 degrees to 50 degrees have on the gas? - HCBBS Forum
75. Are PLC analog input modules active or passive? - HCBBS Forum
76. How can the acidity or alkalinity of transformer oil be easily detected? - HCBBS Forum
77. Use of soft starters and motor protectors - HCBBS Forum
78. Valve sealing surface issues - HCBBS Forum
79. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 311 [ - HCBBS Forum
80. Before entering the container equipment, think about whether these eight things have been done - HCBBS Forum
81. Does anyone recommend pipe cleaning balls (clog remover balls)? - HCBBS Forum
82. What is the appropriate alkalinity for the influent water in a biochemical A/O system? - HCBBS Forum
83. Help needed: selection of valves - HCBBS Forum
84. Isolating a small amount of monoammonium phosphate from potassium dihydrogen phosphate - HCBBS Forum
85. Environmental Protection Tip of the Day: Rewards available on 6.18; 3 rewards for answering correctly, plus another 3 rewards - HCBBS Forum
86. Signal - HCBBS Forum
87. 【Q&A Question 058】June 17, 2016 - HCBBS Forum
88. Seeking help on removing odors and tastes from drinking water - HCBBS Forum
89. Reasons for the decrease in the dynamic viscosity of lubricating oil - HCBBS Forum
90. I’m majoring in science with a focus on chemical engineering – am I not eligible to obtain this certificate? - HCBBS Forum
91. Shenhua Coal-to-Oil Ordos Company has begun to set up a production line for the indirect liquefaction of coal, with an annual output of 180,000 tons of oil products - HCBBS Forum
92. What is the optimal pH value for the phosphating wastewater treatment tank? - HCBBS Forum
93. 【Daily Question】June 11, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
94. Control of product quality in summer - HCBBS Forum
95. What is the argon solidification temperature, and what is the pressure in the pure argon tower: 40 KPA? - HCBBS Forum
96. The device is directly welded to the PAD flange; must the sealing surface of the flange be FF? - HCBBS Forum
97. Looking for a complete image of the rotor of a back-pressure steam turbine and that of a condensing steam turbine - HCBBS Forum
98. PID parameter tuning - HCBBS Forum
99. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 12 - HCBBS Forum
100. 【Introduction to Rio Olympic Events】Diving Competitions - HCBBS Forum