English — Forum #723 (Page 368/642)

1. Should the heat exchanger be placed horizontally or vertically? - HCBBS Forum
2. How are containers integrated with the manufacturing process? - HCBBS Forum
3. Why does the pumping volume decrease when the temperature of the water ring in an acetylene water ring compressor is high? - HCBBS Forum
4. How is the calibration range determined when calibrating a balance flowmeter? - HCBBS Forum
5. 【Weekly Topic】【HVAC Version 20160203】 - HCBBS Forum
6. Will organic amine emissions from refineries have an impact on wastewater treatment plants? - HCBBS Forum
7. Evaporation crystallization of potassium carbonate - HCBBS Forum
8. 【Daily Question No. 76】January 28, 2016: +2 wealth for participation, +3 additional wealth for a correct answer - HCBBS Forum
9. Does anyone know who the technical supplier is for Jiujiang’s functional factory? ? - HCBBS Forum
10. One question to answer on New Year’s Eve – enter to win a prize of 10 - HCBBS Forum
11. The diameter of the equipment cylinder is 219, with a wall thickness of 20. I want to use a flat cover for the lower head; I’m not sure which one to choose. - HCBBS Forum
12. Special Topic 4 of the Registered Chemical Engineer Professional Examination: Chemical Reaction Engineering - HCBBS Forum
13. Methods related to acid mist, moisture, and conversion rate calculation - HCBBS Forum
14. “Repost”: Differential utilization of coal: Economic viability of the product chain under assessment - HCBBS Forum
15. Sign-in record post from January 26, 2016 - HCBBS Forum
16. 【Daily Question】Jan 25, 2016: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
17. Equipment Engineer Recruitment - HCBBS Forum
18. Sign-in record post from February 10, 2016 - HCBBS Forum
19. High-temperature and corrosion resistance of Inconel 600 - HCBBS Forum
20. Please help provide some references - HCBBS Forum
21. Urgent help: What is a bonded tank farm? - HCBBS Forum
22. 【Daily Question No. 104】January 25, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
23. Happy and joyful - HCBBS Forum
24. 【Active Participation for Joint Improvement 2.1-2.7】Participation: +2 to Wealth, +3~10 to Correct Wealth - HCBBS Forum
25. The loving lunch brought by mom had only vegetables and no rice; it was crazy~~ - HCBBS Forum
26. Occupational Health Daily Question 2.3: Participate for a prize; 3 correct answers earn an additional 5 points as a reward - HCBBS Forum
27. On dutying - HCBBS Forum
28. Summary of the Daily Ammonia Synthesis Questions Series - HCBBS Forum
29. Safety valve for water systems - HCBBS Forum
30. How can the steam used for pressure testing in coke towers be recycled? - HCBBS Forum
31. Excessive cold reflux in the catalytic fractionation tower - HCBBS Forum
32. How to prevent static electricity - HCBBS Forum
33. Happy, happy, happy! - HCBBS Forum
34. Weekly Topic: February 3, 2016 – Location of installation for Continuous Emission Monitoring Systems (CEMS) - HCBBS Forum
35. 【Daily Question】Chemical Engineering Principles 313: Preventing Electrolyzer Explosions (February 2) - HCBBS Forum
36. Chat - HCBBS Forum
37. Winter tips on preventing freezing - HCBBS Forum
38. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 431 - HCBBS Forum
39. Calculation of the pressure exerted by loose granular materials on the bottom of a container - HCBBS Forum
40. Question regarding communication between Siemens touch screen and 300 series - HCBBS Forum
41. It’s snowing - HCBBS Forum
42. 【Daily Question】Chemical Engineering Principles 311: Ion Exchangers (January 31) - HCBBS Forum
43. Looking for recommendations for companies that design and install SIS systems? - HCBBS Forum
44. Sinochem Third Construction Signs Contract for Gansu Huasheng’s Comprehensive Utilization Project of High-Quality Coal - HCBBS Forum
45. Professional English, in progress. - HCBBS Forum
46. 【Joint Study*】【HVAC Version 20160128】 - HCBBS Forum
47. Has anyone at home used a fuel transfer arm with an emergency shut-off valve (for loading liquefied gas, propylene, and other Class A chemicals onto ships)? - HCBBS Forum
48. The function of a capacitor bank - HCBBS Forum
49. 【Daily Question No. 108】January 29, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
50. What are the reasons for the decrease in microbial concentration in microbial wastewater treatment reactors? - HCBBS Forum
51. Proverbs related to monkeys - HCBBS Forum
52. Problems with chemical dosing pumps - HCBBS Forum
53. Where can I find process packages for producing ethylene carbonate using ethylene oxide and carbon dioxide as raw materials? - HCBBS Forum
54. Issues regarding the installation location of steam traps and control valves, as well as the selection of pressures before and after the valves - HCBBS Forum
55. January, a special holiday - HCBBS Forum
56. 【Daily Question】1.27 Multiple-choice question: At 0°C and 1 atmosphere of pressure, the molar volume of any gas is ( ) liters... - HCBBS Forum
57. Components of coking dry gas - HCBBS Forum
58. Preheating with medium-pressure steam in delayed coking - HCBBS Forum
59. Survey on coal consumption per ton of ammonia produced by coal-based ammonia plants - HCBBS Forum
60. Haichuan Fucai 2-13, 6th Issue - HCBBS Forum
61. 【Daily Question】2.2 Fill-in-the-blank: The magnitude of the saturated vapor pressure indicates a liquid’s ability to ( ). - HCBBS Forum
62. The year is over, and it’s time to start working again. There’s no rest; working is tiring, and the holidays are also tiring. It’s really exhausting! - HCBBS Forum
63. The Spring Festival is coming soon - HCBBS Forum
64. Maintenance plan for draining the entire low-temperature methanol washing system - HCBBS Forum
65. 20160126 One question per day - HCBBS Forum
66. Selection of 1000Kw motors between synchronous and asynchronous types - HCBBS Forum
67. 【Joint Study*】【HVAC Version 20160129】 - HCBBS Forum
68. [Petroleum Activities] Gratitude Story—My Relationship with My Master: A Prize-Winning Contest (Reply for +50 Wealth) - HCBBS Forum
69. One question per day to expand your knowledge - HCBBS Forum
70. 【Daily Question】 February 8th Generally, through coking? ? ? The stripping effect can be determined. - HCBBS Forum
71. Shaanxi has become the largest province in China for coal-based olefins, with a total production capacity of 3.1 million tons - HCBBS Forum
72. Who knows how many types of machine seals there are - HCBBS Forum
73. Burner - HCBBS Forum
74. Looking for a comprehensive book on the fertilizer industry - HCBBS Forum
75. Seeking help regarding packed towers - HCBBS Forum
76. How to treat strong alkaline wastewater? - HCBBS Forum
77. Oxygen pipeline corrosion - HCBBS Forum
78. Request unit conversion. - HCBBS Forum
79. 【Daily Question】February 04, 2016. The possible reasons for an increase in pressure drop in the reaction system of a hydrogenation unit are (　　). - HCBBS Forum
80. Citizens Watching - HCBBS Forum
81. Reused foundation bolts - HCBBS Forum
82. Ammonia synthesis plants in Sichuan and Chongqing regions - HCBBS Forum
83. Sign in, sign in; remove the bridge - HCBBS Forum
84. Continuous spring rain - HCBBS Forum
85. Treatment of sulfur-containing exhaust gases using low-temperature methanol washing - HCBBS Forum
86. What is the difference between medium value and equivalent value in an energy balance network diagram? - HCBBS Forum
87. Review and Outlook of Coal-to-Natural Gas in China in 2015 - HCBBS Forum
88. Are profiles made of 20 Number steel easy to find? - HCBBS Forum
89. Installation requirements for pipe false hangers - HCBBS Forum
90. Problem of fluorine removal during salt cracking of aniline-based fluoroboric acid diazotized salts; filtration of insolutes after adding sodium nitrosonate - HCBBS Forum
91. Daily safety assessment items - HCBBS Forum
92. Chlorine Engineering - HCBBS Forum
93. Confusion about flux types - HCBBS Forum
94. Regarding the use of ERP systems and paperless office solutions in large petrochemical companies, what is everyone’s experience with them? - HCBBS Forum
95. How do single-acting and double-acting solenoid valves work? - HCBBS Forum
96. Report on the proposed disposal of the device - HCBBS Forum
97. What is binary distillation? - HCBBS Forum
98. Methods and steps for the maintenance of twin-screw air compressors - HCBBS Forum
99. The New Year is over - HCBBS Forum
100. Simulation of dilute ethanol concentration - HCBBS Forum