English — Forum #723 (Page 264/642)

1. The terminals of the three-phase motor are too soft, making it easy for the wires to slip during wiring - HCBBS Forum
2. Level gauge model - HCBBS Forum
3. The calculation of exhaust volume in distillation column design - HCBBS Forum
4. Material selection issue - HCBBS Forum
5. The operating pressure of the Kay membrane filter is high - HCBBS Forum
6. One Question per Day on Synthetic Ammonia (Series 89) - HCBBS Forum
7. 【Daily Topic】【Engineering Version 20160515】 - HCBBS Forum
8. Is gas a medium-hazard or high-hazard substance? - HCBBS Forum
9. 【Weekly Topic】【Quality Version 20160506】 - HCBBS Forum
10. The problem of dibutadiene one-pot polymerization ACN - HCBBS Forum
11. Reasons for removing the furnace door and setting off explosives - HCBBS Forum
12. How can hydrogen, oxygen, and chromium oxide precipitate be generated simultaneously during the electrolytic treatment of acidic chromium-containing wastewater? - HCBBS Forum
13. 【Purification Daily Question】May 12, 2016 - HCBBS Forum
14. Environmental Protection Daily Post 5.07: Reward for participation is 3 points, plus another 3 points for answering correctly - HCBBS Forum
15. 11 years of experience as a design engineer for instrumentation and automation in chemical engineering, with experience in both state-owned and foreign companies - HCBBS Forum
16. How much synthetic ammonia and carbon dioxide are required to produce one ton of urea? - HCBBS Forum
17. Temperature gauge interface - HCBBS Forum
18. In some reactors, the medium contains some butter; what reactions occur to this butter at high temperatures? - HCBBS Forum
19. Alumina production wastewater - HCBBS Forum
20. What is the structure of the inlet and outlet valves in a high-pressure reciprocating plunger pump? - HCBBS Forum
21. Seeking help regarding issues related to certified metrologists - HCBBS Forum
22. How to remedy deteriorating sludge - HCBBS Forum
23. 【Daily Question No. 139】May 11, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
24. What are the foreign brands of anti-corrosion valves? - HCBBS Forum
25. Current technical challenges in the production of reflective films in China! Engaged in reflective materials industry! - HCBBS Forum
26. Has anyone used Tieling Guohua Rubber? - HCBBS Forum
27. ASPEN simulation for the ammoxidation of propylene to acrylonitrile – seeking expert advice - HCBBS Forum
28. Calculation of the degassing (desorption) operation condition for control valves - HCBBS Forum
29. For the circumferential weld joints of the shell-side cylinder in steel fixed-plate heat exchangers where non-destructive testing is not possible - HCBBS Forum
30. 【Daily Question】 2016 05 11 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
31. Nitrogen is used as the stripping gas - HCBBS Forum
32. A bit lost - HCBBS Forum
33. Mechanical seal Plan53A – seal tank pressure setting - HCBBS Forum
34. Electrolytic circulating water without chemical addition - HCBBS Forum
35. 【Daily Question No. 138】May 10, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
36. Common reasons for high hardness in the water output from soft water production equipment - HCBBS Forum
37. Is it possible to connect the exhaust port of the salt acid storage tank section to the negative pressure pipeline for accident chlorine treatment? - HCBBS Forum
38. Safety Technology Exchange Edition: Daily Question (2016.5.16) - HCBBS Forum
39. Can an air-based coal feeding system be used in a gasifier? - HCBBS Forum
40. 【Purification Daily Question】May 11, 2016 - HCBBS Forum
41. How is the hydrogen consumption in the hydrogenation reaction calculated? ? - HCBBS Forum
42. Head and shell of heat exchanger - HCBBS Forum
43. Level gauge for oil-water interface - HCBBS Forum
44. Regarding the issue of certified retraining - HCBBS Forum
45. Safety Technology Exchange Edition: Daily Question (2016.5.11) - HCBBS Forum
46. 【Emission Treatment】HCl emission purification devices solve environmental protection challenges - HCBBS Forum
47. If I work at a chemical engineering design company and have a work certificate stamped with the company’s official seal, can I apply for the First-Class Constructor qualification? - HCBBS Forum
48. Request for operating procedures for side-blown furnace lead smelting - HCBBS Forum
49. Selection issues for the rich gas compressors in coking projects? Petroleum-based - HCBBS Forum
50. Looking for design firms that specialize in the design of chelated fertilizers - HCBBS Forum
51. I’ve been studying *Mechanical and Electrical Practice recently, and I find the knowledge points to be too detailed. Are there any good learning methods? Could you recommend some? - HCBBS Forum
52. 【Daily Question】May 11, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
53. Sludge volume generated from industrial wastewater treatment - HCBBS Forum
54. A big catch: Han Dejun extends his contract with Liaoning Basketball for 4 years - HCBBS Forum
55. What to do if the light component content in Changsan line oil is high? - HCBBS Forum
56. Calculation of the heat exchange area required for the heater. Urgent! Waiting online~ - HCBBS Forum
57. Does anyone have information on food-grade epoxy resin? - HCBBS Forum
58. Sulfur Daily Question, May 11------3 points for participation, 10 points for a correct answer - HCBBS Forum
59. Request internal structure diagrams of sulfur condensers, separators, and reactors - HCBBS Forum
60. 【Daily Question】 2016 05 10 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
61. Newbie seeking help~ - HCBBS Forum
62. The motor experiences high vibration after the bearings are replaced! - HCBBS Forum
63. The allowable stress problem in CAESAR2 - HCBBS Forum
64. [Chemical Industry News] PA14D-2 polypropylene pipes pass heat stability test - HCBBS Forum
65. Can GB8163 20# steel pipes withstand high temperatures of 400 degrees? - HCBBS Forum
66. delete - HCBBS Forum
67. 【Daily Question】 2016 05 08 Hydrogenation Sector Multiple-choice Question - HCBBS Forum
68. 【Daily Topic】【Engineering Version 20160514】 - HCBBS Forum
69. Selection of branch pipe bases - HCBBS Forum
70. Does the tower flange require equivalent pressure verification? - HCBBS Forum
71. 【Daily Judgment NO.5】 May 13, 2016 - HCBBS Forum
72. Safety Technology Exchange Edition: Daily Question (2016.5.12) - HCBBS Forum
73. Issue with the input data for the effective thickness of the equipment flange in SW6 - HCBBS Forum
74. There are more and more files and drawings on the computer; how to organize them? - HCBBS Forum
75. Nameplate 6FA - HCBBS Forum
76. The impact of SO3 in regenerated flue gas on wet flue gas desulfurization - HCBBS Forum
77. 【Weekly Topic】【Storage & Transportation Version 20160506】 - HCBBS Forum
78. I’m so annoyed by reading books these days - HCBBS Forum
79. Is the temperature difference force of the heat exchanger related to the length of the cylinder? - HCBBS Forum
80. Differences between electrical connection, electrical continuity, and electrical conductivity in lightning protection for instrument systems - HCBBS Forum
81. Definitions of tensile rings and compressive rings for storage tanks - HCBBS Forum
82. How to determine the hydrostatic test value for storage tanks - HCBBS Forum
83. When designing, what is the flow rate of liquid oxygen? Are there any standards to refer to? - HCBBS Forum
84. Help me calculate it - HCBBS Forum
85. Is API 600 a standard for globe valves? - HCBBS Forum
86. 【Daily Topic】【Engineering Version 20160508】 - HCBBS Forum
87. Haichuan Coin Freelancer: Seeking help with data on urea-based compound fertilizers - HCBBS Forum
88. One Question per Day on Synthetic Ammonia (Series 87) - HCBBS Forum
89. During the absorption process in the absorber tower, how can one determine the composition X2 of the liquid phase entering the tower? I’ve tried hard to find out, but I can’t - HCBBS Forum
90. 【Q&A Question 027】May 17, 2016 - HCBBS Forum
91. 【Daily Topic】【Civil Engineering Version 20160508】 - HCBBS Forum
92. Which manufacturer is good for vacuum insulated jackets? - HCBBS Forum
93. Safety Technology Exchange Edition: Daily Question (2016.5.17) - HCBBS Forum
94. 【Daily Topic】【Civil Engineering Version 20160512】 - HCBBS Forum
95. Is it better to have a dedicated graphics card or a hybrid one? - HCBBS Forum
96. The function of the spacer ring - HCBBS Forum
97. How is series connection achieved in a distillation tower? - HCBBS Forum
98. Oil and gas yield from catalytic cracking reaction - HCBBS Forum
99. Newbie seeking help - HCBBS Forum
100. The outlet pressure of a reciprocating compressor is an important control parameter. What are the hazards of high outlet pressure for the unit, and what should be done... - HCBBS Forum