English — Forum #723 (Page 270/642)

1. Catalyst poisoning in hydrogenation reactor - HCBBS Forum
2. 【Haichuan Coin Freelancer】Seeking experience in research on coal-based methanol production - HCBBS Forum
3. Introduction to ultra-pure water equipment in the optoelectronics industry - HCBBS Forum
4. If my company doesn’t have the necessary qualifications this year for applying for pressure vessel inspections, what should I do? - HCBBS Forum
5. Blockage in the drainage of the gasification scrubber tower - HCBBS Forum
6. WARNING IN PHYSICAL PROPERTY SYSTEM PARAMETER PC/ELEMENT 1 (DATA SET ... - HCBBS Forum
7. 【Daily Topic】【Engineering Version 20160512】 - HCBBS Forum
8. Why are the methods for preparing the buffer solutions used in hardness measurement different? - HCBBS Forum
9. 【Weekly Topic】【Storage & Transportation Version 20160509】 - HCBBS Forum
10. Haichuan Coin Freelancer – Seeking assistance regarding standards for refractory materials - HCBBS Forum
11. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 294 - HCBBS Forum
12. Oil in the acidic water in methanol-to-hydrogen production units - HCBBS Forum
13. 【Daily Topic】【Engineering Version 20160510】 - HCBBS Forum
14. Consultation on pressure relief valves - HCBBS Forum
15. How to address the high nitrogen consumption in electric tar collectors - HCBBS Forum
16. Sign-in record post from May 8, 2016 - HCBBS Forum
17. The Compressor Technology magazine asks for page fees - HCBBS Forum
18. Issues with the new hydrogen control indicators - HCBBS Forum
19. What percentage should the operating gas velocity be set at when simulating an amine liquid regeneration tower? - HCBBS Forum
20. Cross-Strait Cooperation in Refining and Chemical Integration Projects and the Development of **-Level Petrochemical Parks – You are invited to attend the Asia Chemical Refining and Integration Seminar - HCBBS Forum
21. High-pressure heat exchanger of hydrogenation unit - HCBBS Forum
22. Asymmetric saddle point calculation - HCBBS Forum
23. Sulfur Daily Question, May 14th------3 points for participation, 10 points for a correct answer - HCBBS Forum
24. Extraction and separation of acetic acid from wastewater using extraction equipment (centrifugal extractors) - HCBBS Forum
25. Who would be able to design vacuum paddle sludge drying? - HCBBS Forum
26. Please explain the concept of shaft movement in centrifugal pumps - HCBBS Forum
27. Klaus waste heat boiler and sulfur condenser - HCBBS Forum
28. Regarding pump selection - HCBBS Forum
29. Seek electronic version of the atlas for 02R111 small vertical and horizontal oil tanks - HCBBS Forum
30. Imperial pipe - HCBBS Forum
31. Horizontal comparison of domestic DCS manufacturers! - HCBBS Forum
32. What density should be used in gas-solid fluidization calculations? - HCBBS Forum
33. One Question per Day on Synthetic Ammonia (Series 91) - HCBBS Forum
34. 【Daily Judgment NO.1】 May 9, 2016 - HCBBS Forum
35. Seawater corrosion - HCBBS Forum
36. 【Weekly Topic】【Quality Version 20160510】 - HCBBS Forum
37. Are household chores in conflict with work? - HCBBS Forum
38. Dangerous goods loading issue - HCBBS Forum
39. Partner with organizations that have a permit to use sodium cyanide for product production - HCBBS Forum
40. Mass flow meter - HCBBS Forum
41. During the initial water-cooled commissioning of the unit, should a reboiler be installed in the distillation tower? - HCBBS Forum
42. Is the phrase \"Test gas for leakage, test liquid for strength\" correct? - HCBBS Forum
43. Texaco gasification - HCBBS Forum
44. Inspection of steel plates for pressure vessels - HCBBS Forum
45. 【Who Is the Singing God】A pretty good show - HCBBS Forum
46. Vacuum pump selection issues - HCBBS Forum
47. Post on the technical team’s salary payment thread from April 2016 - HCBBS Forum
48. Operation of Tianye’s acetylene hydrogen chloride side stream unit commenced - HCBBS Forum
49. Sulfur Daily Question, May 6------3 points for participation, 10 points for a correct answer - HCBBS Forum
50. Bentley 3500 Card Holder - HCBBS Forum
51. Ethylene separation - HCBBS Forum
52. Effect of reaction temperature on coking amount - HCBBS Forum
53. Is any special protection required for directional drilling of insulated oil pipelines? - HCBBS Forum
54. Vibration alarm and shutdown time setting issues - HCBBS Forum
55. Sulfur Daily Question, May 6------3 points for participation, 10 points for a correct answer - HCBBS Forum
56. [Haichuan Coin Freelancer] Seeking a Job Hazard Analysis (JHA) for coking, hydrogen production, and hydrogen addition – the more detailed, the better - HCBBS Forum
57. The new type of insulation material currently used for boiler pipes! ! ! - HCBBS Forum
58. Yokogawa YS1700 single-loop controller settings - HCBBS Forum
59. Working principle of the refrigeration compressor in single-screw chillers - HCBBS Forum
60. Ca0 electrical wiring diagrams - HCBBS Forum
61. 【Daily Topic】【Civil Engineering Version 20160506】 - HCBBS Forum
62. How to crush flaky potassium hydroxide hydrogen - HCBBS Forum
63. 【Daily Question No. 140】May 12, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
64. Reviewing the Old to Discover the New (Series 21) - HCBBS Forum
65. The internet speed is slow; please help - HCBBS Forum
66. 【Weekly Topic】【Storage & Transportation Version 201605012】 - HCBBS Forum
67. Most people don’t know what role catalytic distillation plays in the petrochemical industry! - HCBBS Forum
68. Help: Why are there both A-series and B-series pipes recommended in GB T17395-2008 \"Dimensions and Shapes of Seamless Steel Tubes\"? - HCBBS Forum
69. 【Picture of the Day】2016 05 10 What is the device in this picture? Does anyone know? Are there any wealth rewards? - HCBBS Forum
70. Where can I find services for the metal welding procedure qualification for level 2 boiler repairs? Urgent! Urgent! Urgent! - HCBBS Forum
71. How to choose between pneumatic ball valves and electric ball valves - HCBBS Forum
72. 【Weekly Topic】【HVAC Version 201605012】 - HCBBS Forum
73. Lithium-ion battery material precursor technology exchange group - HCBBS Forum
74. What are the water treatment chemicals? Let’s take a comprehensive look at the role of each type of water treatment chemical in water treatment processes - HCBBS Forum
75. The problem of square thermal compensation in pipelines - HCBBS Forum
76. What are the main design differences between low-temperature spheres and normal-temperature spheres? - HCBBS Forum
77. Question: What is a reasonable price for bending a elbow for carbon steel pipelines with diameters of DN25 and DN20? - HCBBS Forum
78. 【Daily Topic】【Engineering Version 20160507】 - HCBBS Forum
79. Categories of reformed crude oil - HCBBS Forum
80. The SV30 value is very low, and the total phosphorus content in the effluent exceeds the standard - HCBBS Forum
81. Do pressure-sealed containers at atmospheric pressure without flanges require pressure testing after they are manufactured? - HCBBS Forum
82. What is the argon arc welding wire grade for S30408? - HCBBS Forum
83. How to download materials - HCBBS Forum
84. Nickel-cobalt separation issue? - HCBBS Forum
85. H2S/SO2 ratio analyzer - HCBBS Forum
86. 【Daily Topic】【Civil Engineering Version 20160507】 - HCBBS Forum
87. FCC information - HCBBS Forum
88. Microbial living environment in the A/O process - HCBBS Forum
89. 【Manufacturing Cloud Model】Free Resources for Phase 1 Download: 3D Models of Custom Automation Equipment - HCBBS Forum
90. 【Purification Daily Question】May 17, 2016 - HCBBS Forum
91. Does visual safety help reduce accidents? - HCBBS Forum
92. Solutions for abnormal noises in vacuum discharge pumps - HCBBS Forum
93. Today, the liquid taken from the trays of the methanol-water tower turned colored - HCBBS Forum
94. Desulfurization tower level issue - HCBBS Forum
95. Arrangement of axial expansion joints in pipelines and placement of supports and hangers - HCBBS Forum
96. How is Suzhou Tianrui Environmental Technology Co., Ltd.? - HCBBS Forum
97. 【Picture of the Day】2016 05 16 What is the device in this picture? - HCBBS Forum
98. What is the purpose of pre-washing in low-temperature methanol washing? - HCBBS Forum
99. First circulation of water in the newly installed unit - HCBBS Forum
100. Pressure retention in the inner chamber of the ball valve (floating ball) - HCBBS Forum