English — Forum #723 (Page 124/642)

1. Looking for manufacturers with good silicon carbide ceramic technology - HCBBS Forum
2. I’d like to ask what the difference is between IOP32 and IOPHC32. - HCBBS Forum
3. What safety management tasks should be carried out during the off-season in production? - HCBBS Forum
4. What standards do ordinary sampling valves follow? ? - HCBBS Forum
5. Petrochemicals - HCBBS Forum
6. 【Daily Topic】【Electrical Edition 20161013】 - HCBBS Forum
7. 【Daily Question】Advanced Processing 20161010 Fill-in-the-blank: The requirement for the stereoregularity of qualified polypropylene is ( )~ - HCBBS Forum
8. Precautions for using titanium materials - HCBBS Forum
9. Inspection technology for big and small end bearings of reciprocating compressors - HCBBS Forum
10. Series and parallel connection issues of heat exchangers - HCBBS Forum
11. Cyclone separation software design - HCBBS Forum
12. Purpose of adding fresh water to the top reflux tanks of the product fractionation tower and stripping tower - HCBBS Forum
13. Selection of automated instruments - HCBBS Forum
14. The producing country has set a reward indicator for Tier 5 diesel vehicles - HCBBS Forum
15. Seeking chemical engineering engineers - HCBBS Forum
16. What should I do if I really feel like talking after drinking? - HCBBS Forum
17. Installation of high-pressure fire protection pipelines - HCBBS Forum
18. What are the emergency medications for acetic acid, methanol, and methyl acetate? - HCBBS Forum
19. The inlet of stage 1 of the compressor is severely contaminated with sulfur. - HCBBS Forum
20. Does anyone know about external anti-corrosion coatings that can withstand marine climate conditions, as well as internal anti-corrosion coatings that can resist the effects of gasoline and diesel? I’d be extremely grateful - HCBBS Forum
21. What makes acrylic polyurethane paint special? - HCBBS Forum
22. Diaphragm pumps have excellent performance; regular maintenance extends their service life - HCBBS Forum
23. What are the allowable stresses of stainless steel pipes such as 304, 316, and 316L at different temperatures? ? - HCBBS Forum
24. Desorption tower, hot and cold feed. When to use the cold route and when to use the hot route - HCBBS Forum
25. Hydrofining shutdown - HCBBS Forum
26. Requirements for the thickness of the boiler insulation layer, fire-resistant layer, and insulation foam - HCBBS Forum
27. 【Daily Question】Chemical Engineering Principles 442: Tank Temperature (October 11) - HCBBS Forum
28. 【Daily Topic】【Production Version 20161010】 - HCBBS Forum
29. Adapt to local conditions: Water supply methods for different high-rise buildings - HCBBS Forum
30. How are solvent-based acrylic paints? - HCBBS Forum
31. Some uncertainties regarding ethylene oxide in the petrochemical fire protection codes - HCBBS Forum
32. 【Daily Topic】【Electrical Edition 20161012】 - HCBBS Forum
33. Which manufacturers of instrument control boxes do a good job? Looking for recommendations - HCBBS Forum
34. 15 university buildings have been included in the list of architectural heritage sites - HCBBS Forum
35. Catalyst issues in calcium chloride production - HCBBS Forum
36. Environmental Protection Daily Post – October 15: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
37. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； October 13th - HCBBS Forum
38. Career development - HCBBS Forum
39. Calculation for heating R22 in a jacketed vaporization tank - HCBBS Forum
40. Where can I find a place to have toxic gas (sulfur dioxide) sensors calibrated or verified? - HCBBS Forum
41. Regarding the flange standards HG20592 and HG20613, the issue of pressure application for flanges. - HCBBS Forum
42. Cannot pump enough volume - HCBBS Forum
43. Daily maintenance of the black water circulation pump - HCBBS Forum
44. True or False Questions (9 points for correct answers, 3 points for participation) - HCBBS Forum
45. What is the effect of polysulfides on thioethers? - HCBBS Forum
46. Seeking guidance and advice! ! ! - HCBBS Forum
47. Laboratory instruments for blended fertilizers - HCBBS Forum
48. Coal-fired boiler renovation - HCBBS Forum
49. 【Picture of the Day】2016 10 10 What is the device in this picture? - HCBBS Forum
50. 【Daily Topic】【Electrical Edition 20161017】 - HCBBS Forum
51. 【Weekly Topic】(1) What are some good strategies for employees who consistently refuse to wear protective equipment? - HCBBS Forum
52. Who has a cross-section diagram of a traditional self-priming pump? - HCBBS Forum
53. We urgently need a CAD drawing of the heating furnace. If anyone has one, please share it. Thank you! - HCBBS Forum
54. Regarding the Hefei issue - HCBBS Forum
55. 【Q&A Question 173】October 10, 2016 - HCBBS Forum
56. Insulating PIR: How to carry out construction in winter? - HCBBS Forum
57. When building new pharmaceutical and chemical plants, those working in electrical engineering need to buy certain books for use in design or as references - HCBBS Forum
58. Old Fish’s [Haichuan National Day Travel Survey & Recommendations] Series Summary Post - HCBBS Forum
59. Wet enrichment of lead sulfate in lead sludge - HCBBS Forum
60. Who understands the production process standards and environmental standards for domestic dipropylene acrylamide - HCBBS Forum
61. Looking for a reliable liquid chlorine flow meter - HCBBS Forum
62. 【Daily Topic】【Civil Engineering Version 20161014】 - HCBBS Forum
63. Transferred from the Internet------Graduates in the internet industry earn the highest starting salaries - HCBBS Forum
64. Has Sinopec explicitly prohibited the use of ester-based anti-wear agents? - HCBBS Forum
65. Installation of static and dynamic equipment - HCBBS Forum
66. Distance between the unloading pump and the storage tank - HCBBS Forum
67. Teaching materials by renowned experts for various specialties of the First-Class Constructor exam in 2016 - HCBBS Forum
68. Due to the self-vaporization of ammonia, the design pressure should be no less than 2.16 Mpa? ! - HCBBS Forum
69. Toxicity discussion - HCBBS Forum
70. The college entrance examination was reformed in 2017! - HCBBS Forum
71. I need help with calculating the speed of a conveyor chain. - HCBBS Forum
72. Good relationships have been established - HCBBS Forum
73. 【Daily Topic】【Storage & Transportation Version 20161011】 - HCBBS Forum
74. Please help provide an overall evaluation of the equipment calibrated in petrochemical refineries - HCBBS Forum
75. Is a filter needed to separate silicon powder after hydrogenation? - HCBBS Forum
76. 【Accident Case Analysis】Handling and Prevention of Scalding Accidents in Petrochemical Enterprises - HCBBS Forum
77. Which instruments and meters in air separation equipment need to be initialized? The specific steps are as follows. (Regarding whether the transmitter requires initialization...) - HCBBS Forum
78. Dry gas hydrogen production - HCBBS Forum
79. How to classify and manage chemical plant valves by importance - HCBBS Forum
80. A humorous short story: Xiao Ming buys a 6S (it’s all tricks, haha!) ） - HCBBS Forum
81. Is HG20553 a pipeline design standard code? Is GB8163 a pipeline design standard or a manufacturing standard? ? What are the pipeline standards? ? - HCBBS Forum
82. Upgrading units for National V and National VI gasoline and diesel in petrochemical enterprises and paths for technical transformation - HCBBS Forum
83. Instrument Pig Calculation Series, Lecture 10 – Selection of Wedge Flow Meters and Differential Pressure Calculation - HCBBS Forum
84. 【Weekly Topic】【 Quality Version 20161017】 - HCBBS Forum
85. How to design the pump in a warm standby state for high-temperature and high-pressure materials - HCBBS Forum
86. [Tech Talk] Hawking warns: We must be cautious in responding to signals from aliens - HCBBS Forum
87. Recruitment for chemical process instrument technicians underway - HCBBS Forum
88. Online Wealth - HCBBS Forum
89. Everything was normal with the car on the entire route today - HCBBS Forum
90. Bearing lubrication issue in three-phase asynchronous motors - HCBBS Forum
91. What are the harmful consequences of low feed temperature in the stripping tower of the pre-hydrogenation unit in a reforming unit? - HCBBS Forum
92. What type of flow meter is suitable for high-temperature and high-pressure hydrogen? - HCBBS Forum
93. Inspection of converter tubes for hydrogen production from natural gas - HCBBS Forum
94. 【Accident Information】Fire accident at a dye factory in Lianyungang, Jiangsu on October 6, 2016 - HCBBS Forum
95. Electromagnetic flowmeter - HCBBS Forum
96. There are rumors that Sinochem Group will merge with China Chemical Group – what are people’s thoughts on this? - HCBBS Forum
97. Who has any information on flue gas desulfurization and denitration for catalytic cracking, or can recommend some manufacturers? - HCBBS Forum
98. Test your brain and limb balance - HCBBS Forum
99. What are the standards for socket weld and butt weld valves respectively? - HCBBS Forum
100. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； October 12th - HCBBS Forum