English — Forum #723 (Page 330/642)

1. Help: What does the pump model mean? - HCBBS Forum
2. Request: Detection methods for dissolved gases (CO2, H2, CH4, N2) in the condensate of hydrogen production and hydrogen purification units - HCBBS Forum
3. Practical tips for commonly used pressure gauges - HCBBS Forum
4. Is it possible for sulfur recovery for acid production to replace the Claus process for sulfur production? - HCBBS Forum
5. Switching of the set value for the control valve - HCBBS Forum
6. air - HCBBS Forum
7. Does whether a solenoid valve can withstand low temperatures depend on its material? - HCBBS Forum
8. One Question per Day on Synthetic Ammonia (Series 32) - HCBBS Forum
9. New breakthrough in coke oven gas hydrogenation catalysts – sulfur-free catalysts! - HCBBS Forum
10. 【Chemical Engineering Theory】Desulfurization of gasoline and liquefied gas - HCBBS Forum
11. What is a U BEND? - HCBBS Forum
12. What are the fit dimensions between the shaft sleeve and the shaft of the GSB-Q type horizontal high-speed pump seal? - HCBBS Forum
13. The ammonia nitrogen level in the purified water is not up to standard - HCBBS Forum
14. The seventh issue of the original chemical industry riddle contest: winners will receive flowers - HCBBS Forum
15. 【Daily Topic】【Civil Engineering Version 20160306】 - HCBBS Forum
16. safety valve - HCBBS Forum
17. About Rosemount vortex flowmeters - HCBBS Forum
18. Must a chromatograph be installed indoors? - HCBBS Forum
19. Can oil in the fuel gas of a heating furnace cause it to shut down? - HCBBS Forum
20. “Haichuan Irrigation Co., Ltd. Convenience Store” 293 Everyone, come and share the money! - HCBBS Forum
21. 【Daily Question】 Hydrogenation Sector 2016-03-10 Multiple Choice - HCBBS Forum
22. National standards and selection tables for control flanges, gaskets, and bolts - HCBBS Forum
23. Regarding boiler auxiliary equipment control - HCBBS Forum
24. Environmental Protection Tip of the Day: Reward for participating on 3.11 – 5 points, plus an additional 5 points for answering correctly - HCBBS Forum
25. ASTM A312GR.F316 & ASTM A182GR.F316 - HCBBS Forum
26. How should the operating pressure and consumption of steam in the workshop be determined? - HCBBS Forum
27. Looking for information on oil blending - HCBBS Forum
28. Petrochemical Zone February 2016 Moderator Technician Reward Application Post - HCBBS Forum
29. Steam-air heat exchanger - HCBBS Forum
30. Compressor housing drainage - HCBBS Forum
31. Course design: Simple PID for crude oil vacuum distillation - HCBBS Forum
32. Analysis of Common Problems in PLC Electrical Panels - HCBBS Forum
33. Stress relief of tube boxes How to translate this - HCBBS Forum
34. What is a suitable nominal diameter for the sampling port? - HCBBS Forum
35. Consultation on research for the construction of a new factory - HCBBS Forum
36. Issues with cleaning liquid sulfur seal drainage - HCBBS Forum
37. Equipment suppliers for VCM - HCBBS Forum
38. Question: During the application of glass flake coating, there is a layer of glass fiber fluff between two layers of glass flakes – what is its purpose? - HCBBS Forum
39. 【Daily Topic】【Electrical Edition 20160313】 - HCBBS Forum
40. Storage of fire protection pipelines in winter - HCBBS Forum
41. To the solution obtained after iron-carbon microelectrolysis, 1% by volume of hydrogen peroxide is added, and the pH value is adjusted to 8; the solution turns black without any precipitation occurring, after which polyester amide is added for flocculation - HCBBS Forum
42. 【Basic Knowledge Activity】Professional “Basic Knowledge” in the petrochemical industry: What is the specific surface area of a catalyst? - HCBBS Forum
43. DCSruanjian - HCBBS Forum
44. Gas skid for internal use at the gas transmission station - HCBBS Forum
45. Looking for information: Could someone send me a copy of “Gas Cryogenic Separation Technology”? ! - HCBBS Forum
46. How to prevent and control work-related injuries - HCBBS Forum
47. Case Analysis (12): How do you decide? - HCBBS Forum
48. 【Daily Question No. 132】March 11, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
49. Boiler shell assembly fixture - HCBBS Forum
50. Ultrasonic oil removal wastewater - HCBBS Forum
51. Problems with safety valves - HCBBS Forum
52. Gratitude to our premium members for sharing – registrations for the participation event are now open (prizes available)! - HCBBS Forum
53. Pressure gauge port of pressure vessel - HCBBS Forum
54. 【Joint Study*】【Civil Engineering Version 20160306】 - HCBBS Forum
55. Steam-air heat exchanger - HCBBS Forum
56. Iron ion content in acidic water of catalytic devices - HCBBS Forum
57. Very simple, but words that will make your spoken English sound natural – 2 - HCBBS Forum
58. Between Messi and Ronaldo, who do you prefer? - HCBBS Forum
59. Layout of liquefied natural gas stations - HCBBS Forum
60. How to build a chemical plant in the Northeast without it freezing easily - HCBBS Forum
61. National nitrogen fertilizers: ample supply at low prices - HCBBS Forum
62. Record a small thing from the weekend - HCBBS Forum
63. Do it, do it, do it - HCBBS Forum
64. Process flow, electrodialysis tank, pipelines - HCBBS Forum
65. What is the importance of converting a water ring vacuum pump to a double-end face mechanical seal? - HCBBS Forum
66. 【Daily Topic】【Electrical Edition 20160311】 - HCBBS Forum
67. Nanjing University Environmental Planning and Design Research Institute Co., Ltd. – Recruitment of management personnel and experienced technical talents in the first half of 2016 - HCBBS Forum
68. For sale: course materials for the 2016 National Supervision Engineer Examination - HCBBS Forum
69. Design and Manufacturing of Multilayer Wrapped Containers for Low Temperature and High Pressure - HCBBS Forum
70. The differential pressure transmitter shows fluctuations in liquid level measurement - HCBBS Forum
71. Signing of the feasibility study report - HCBBS Forum
72. I have been working at a design institute for three years and am currently pursuing a part-time graduate degree. I want to obtain some type of certified qualification; which certifications offer higher earnings? - HCBBS Forum
73. Seeking help with question 44 from the professional exam on the afternoon of the first day in 2010 - HCBBS Forum
74. 【Chemical Industry Information】Consumption rate of desulfurization alcohol catalysts - HCBBS Forum
75. 【Daily Topic】【Civil Engineering Version 20160309】 - HCBBS Forum
76. “The Canteen of HaiChuan Irrigation Co., Ltd.” 297: The footsteps of artificial intelligence, can you hear them? - HCBBS Forum
77. Are imported filters necessarily the best for hydrogenation? - HCBBS Forum
78. Great People, Great Stories - HCBBS Forum
79. Stainless steel pipe specifications - HCBBS Forum
80. 【Propane Dehydrogenation】Which propane dehydrogenation process is the best? - HCBBS Forum
81. Is it necessary for HaiChuan to establish a *branch? - HCBBS Forum
82. 【Daily Topic】【Electrical Edition 20160316】 - HCBBS Forum
83. 【Daily Topic】【Production Version 20160310】 - HCBBS Forum
84. A few books on PVC - HCBBS Forum
85. I have a gentle question regarding pipeline insulation - HCBBS Forum
86. DCS system - HCBBS Forum
87. Must pressure air storage tanks with an oil content exceeding level 3 be placed in a separate building? - HCBBS Forum
88. [Solved] A simple issue with displacement between brackets in Caesar II? - HCBBS Forum
89. 【Daily Question】March 12, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
90. Workplace Debate Issue 72: Do We Need Specialists or Generalists in the Workplace? - HCBBS Forum
91. Selection of multi-strand water treatment corrosion-resistant materials - HCBBS Forum
92. Does the type of bearing have an impact on shaft play? - HCBBS Forum
93. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 460 - HCBBS Forum
94. Zibo Yida Company specializes in energy-saving upgrades for water pumps - HCBBS Forum
95. Operating cycle of the gas valve in a reciprocating compressor - HCBBS Forum
96. Purification Daily Question Series 2 - HCBBS Forum
97. **What textbooks are needed for the CAD level exam? - HCBBS Forum
98. What are the treatment methods for the concentrate produced by nanofiltration? - HCBBS Forum
99. 【Daily Question】March 16, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
100. Is there any chemical that can be used to quickly resolve coking at the bottom of a catalytic fractionation tower? - HCBBS Forum