English — Forum #723 (Page 374/642)

1. Manufacturer of the twin-midspan reticulated shell used for the tank roof - HCBBS Forum
2. Do chlor-alkali companies still only focus on chlorine and alkali products? If so, you’re behind the times - HCBBS Forum
3. Seek the specific value of the emissivity for infrared temperature measurement in hydrogen production conversion tubes - HCBBS Forum
4. It’s cold, and it’s hard to go out to play ball - HCBBS Forum
5. 20160203 One question per day - HCBBS Forum
6. 【Joint Study*】【HVAC Version 20160126】 - HCBBS Forum
7. The money has arrived - HCBBS Forum
8. The first round of voting for the top 10 finalists has selected 4 candidates—please have the super-voting group proceed with voting - HCBBS Forum
9. An ideal life - HCBBS Forum
10. Nitrogen content in coke oven gas - HCBBS Forum
11. How does Risen Sun achieve high production volumes? Are there any successful practices it can share? - HCBBS Forum
12. Must a pump that uses styrene as the transfer medium be a shielded pump? - HCBBS Forum
13. 【Weekly Topic】Discussion on the structure of venturi scrubbers - HCBBS Forum
14. Does the inlet valve need to be closed after an emergency shutdown of the compressor? If it’s not closed, will the high pressure at the secondary outlet cause reversal? - HCBBS Forum
15. Issues with comprehensive calcium removal using EDTA and chelating resins? ? ? - HCBBS Forum
16. Smart chemists, come and take a look, conduct a test! - HCBBS Forum
17. In 2015, the added value of the chemical industry increased by 9.3%, with main business revenue reaching 8.8 trillion - HCBBS Forum
18. The issue of high vibration levels in the pump bearings. - HCBBS Forum
19. I would like to consult about nitrogen pressure holding system equipment - HCBBS Forum
20. I would like to ask whether an oven room still needs external wall insulation? - HCBBS Forum
21. What is the difference in the forces acting on the upper and lower supports of a spherical tank? - HCBBS Forum
22. Piping specialty - HCBBS Forum
23. Let’s work on the questions: 2015 Level 1 Certified Fire Engineer – Technical Practice, Questions 13-14 - HCBBS Forum
24. I worked on construction projects for CNPC for 8 years - HCBBS Forum
25. Amount of carbon disulfide used during the sulfidation of iron-molybdenum catalysts - HCBBS Forum
26. Pneumatic valve positioner - HCBBS Forum
27. Question~~ What are the things to keep in mind when installing plastic pipes and glass-lined pipes? - HCBBS Forum
28. Boiler feed water pump outlet double check valve with self-starting function - HCBBS Forum
29. It’s the New Year again. How do you communicate with your parents? - HCBBS Forum
30. Keep it up! - HCBBS Forum
31. Hydrogenation accident handling - HCBBS Forum
32. Pressure guide tube isolation fluid - HCBBS Forum
33. Indicators for heavy metal content in regenerated catalysts - HCBBS Forum
34. “”“University Days”: Knocking on the Wrong Door - HCBBS Forum
35. Is working in construction management a good career path these days? - HCBBS Forum
36. Even if you’re not happy, force yourself to be - HCBBS Forum
37. 【Daily Question】2.11 Classification of Corrosion-Resistant Materials (Reply +3 points; correct answer earns additional +3 to -8 points) - HCBBS Forum
38. ? ? ? - HCBBS Forum
39. How is the current set of TS-1 catalyst production facilities? Dear experts, please share your suggestions - HCBBS Forum
40. The Northwest Energy Chemical plant started up successfully on its first attempt - HCBBS Forum
41. Who has a worksheet for tracking hours spent on company project drawings? Please share - HCBBS Forum
42. Precautions for using gas cabinets - HCBBS Forum
43. Pipeline rupture in winter - HCBBS Forum
44. 【Daily Question】 (Reissued for Grade 8, Lesson 4) 2.11 Cations (+3 wealth for a reply + additional +3 to -8 wealth for a correct answer) - HCBBS Forum
45. How can SS 5000 be reduced to 1000 without using chemicals for precipitation? - HCBBS Forum
46. Can stainless steel container flanges be designed in accordance with JB/T4700～4703-2000? - HCBBS Forum
47. Make a little progress every day - HCBBS Forum
48. Problem with independent fan rotation in cryopumps - HCBBS Forum
49. 【Daily Question】2016.2.3 Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
50. Design of the outlet pipeline for Roots blowers - HCBBS Forum
51. Regarding the selection of natural gas compressors - HCBBS Forum
52. What kind of washing water is used in the ammonia scrubber? - HCBBS Forum
53. Do you need a balance agent? - HCBBS Forum
54. This Spring Festival, the tall towers are busy; returning home for the New Year has become a look forward to in the coming year! - HCBBS Forum
55. Sign-in record post from February 3, 2016 - HCBBS Forum
56. “Haichuan Irrigation Co., Ltd. Convenience Store” – First post of the Monkey Year 243 - HCBBS Forum
57. 【Daily Question】February 4, 2016: When checking the pressure for the withstand test (first 50 replies + 2 wealth points; additional 3–8 wealth points for correct answers) - HCBBS Forum
58. Catalytic cracking yield prediction formula (based on the carbon residue value of the catalytic feed, saturated hydrocarbon content, and crude oil density) - HCBBS Forum
59. It turns out it’s not either black or white; it was merely a naive belief that the real world consists only of gray shades. - HCBBS Forum
60. Friends, happy New Year! - HCBBS Forum
61. 【Daily Question】Jan 27, 2016: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
62. Transform dissolved oxygen at the deaeration station - HCBBS Forum
63. Operating Instructions for Agilent 883 Ion Chromatograph - HCBBS Forum
64. 【Daily Question】2.10 Classification of Corrosion (3 wealth points for a reply + additional 3–8 wealth points for a correct answer) - HCBBS Forum
65. Can the dual-control solenoid valve on a pneumatic valve be connected to just one coil to function as a single-control solenoid valve? - HCBBS Forum
66. 20160201 One question per day - HCBBS Forum
67. Steam reboiler leakage situation - HCBBS Forum
68. When asked if I could leave an approximate database of the environment and the marriage registration details with the other party - HCBBS Forum
69. How to reduce moisture in liquid ammonia - HCBBS Forum
70. Resending 【One Question per Day】1.23 Fill-in-the-blank question: The purpose of dewaxing lubricating oil is - HCBBS Forum
71. What is the water volume for the atmospheric and vacuum distillation cycle at 600,000 tons per year? - HCBBS Forum
72. Talking about something related to the CBA – I was shocked after watching the video - HCBBS Forum
73. Is there anyone in an LNG plant who does analytical testing on amine solutions? I would like to ask some questions regarding foam testing of MDEA-type amine solutions! ! ! ! - HCBBS Forum
74. What is the maximum flow rate for high-pressure gases? - HCBBS Forum
75. Can glass-lined reaction tanks withstand vacuum? - HCBBS Forum
76. Please share your thoughts on the overall wrapping of the laminate panels if anyone understands it - HCBBS Forum
77. How should the Venturi be selected to achieve a vacuum of -96 KPA? - HCBBS Forum
78. Who are the leading experts in Fischer-Tropsch synthesis catalysts? - HCBBS Forum
79. How is vacuum level expressed in millimeters of mercury? - HCBBS Forum
80. 【Joint Study*】【HVAC Version 20160127】 - HCBBS Forum
81. Consulting engineer: Are the subjects passed 14 years ago still recognized? - HCBBS Forum
82. 【Daily Question】2.3 Hydrogen Electrode (3 wealth points for a reply + additional 3–8 wealth points for a correct answer) - HCBBS Forum
83. 【Daily Question No. 73】January 25, 2016: +2 wealth for participation, +3 additional wealth for a correct answer - HCBBS Forum
84. Design of FL and FC for the central oxygen flow control valve - HCBBS Forum
85. Which department is responsible for reviewing the refinery’s finished oil certification at night? - HCBBS Forum
86. 【Weekly Topic】【Storage & Transportation Edition 20160203】 - HCBBS Forum
87. [Daily Question] 2.13 Fill-in-the-blank question - HCBBS Forum
88. Check valve at the outlet of the sulfur production fan - HCBBS Forum
89. 【Weekly Topic】【Production Version 20160201】 - HCBBS Forum
90. 【Joint Study*】【Electrical Version 20160131】 - HCBBS Forum
91. What software is used for calculating storage tanks designed according to API620 standards? - HCBBS Forum
92. How to calculate the heat transfer area of these two heat exchangers? Thank you - HCBBS Forum
93. Why is the liquid level in the oil tank of a screw compressor dropping rapidly? - HCBBS Forum
94. How to prepare test plates for composite plate pressure vessel products - HCBBS Forum
95. ASPEN Chemical Process Design - HCBBS Forum
96. How to remove sodium sulfate from double-alkali desulfurization wastewater? - HCBBS Forum
97. Regarding the classification of spherical storage tanks? - HCBBS Forum
98. A simple question: what should be done with the anchor bolts and foundation when replacing the equipment? - HCBBS Forum
99. 【Ethylene】Non-destructive testing of welds in the “demethanization tower” of the ethylene plant. - HCBBS Forum
100. How to choose a flow meter under high temperature and pressure? - HCBBS Forum