English — Forum #723 (Page 373/642)

1. Create a new device for drying - HCBBS Forum
2. Accidents can still happen even when wearing a safety helmet without fastening the chin strap - HCBBS Forum
3. How are container categories classified? - HCBBS Forum
4. 【Daily Question No. 80】February 3, 2016: +2 wealth for participation, +3 additional wealth for a correct answer - HCBBS Forum
5. Which expert can help me calculate the heating area? - HCBBS Forum
6. Methanol One question per day Basic chemical engineering knowledge Heat exchangers 2016.02.01 - HCBBS Forum
7. Issues regarding the calculation of the bottom plate of pressure vessels at normal pressure - HCBBS Forum
8. Calculation of reaction heat - HCBBS Forum
9. Weibo can also let you grab red envelopes; if you don’t believe it, just check it out - HCBBS Forum
10. 【Daily Question】 January 28th To suppress the contamination of catalysts by heavy metals, it is necessary to add - HCBBS Forum
11. Pressure issues in coal tar deep processing towers - HCBBS Forum
12. When the sulfur production furnace is ignited, industrial air is present both in front of the furnace and at the observation ports - HCBBS Forum
13. Does stopping operation for eight days along with adding flour work? - HCBBS Forum
14. What does “hold” mean in the alarm interlock process? Urgent! Urgent! Urgent! ! - HCBBS Forum
15. 【Daily Question】 (Issued on New Year’s Eve) 2.7 Metal Stacking (+3 Wealth for a reply + additional +3 to -8 Wealth if the answer is correct) - HCBBS Forum
16. 【Weekly Topic】【HVAC Version 20160202】 - HCBBS Forum
17. No matter how high one’s position, one must not forget one’s mother! - HCBBS Forum
18. Compressor - HCBBS Forum
19. A simple question: what should be done with the anchor bolts and foundation when replacing the equipment? - HCBBS Forum
20. Can epoxy glass flake anti-corrosion paint withstand 98% concentrated sulfuric acid? - HCBBS Forum
21. CO2 gas shielded welding qualification - HCBBS Forum
22. Fluor’s sulfur recovery technology - HCBBS Forum
23. Metal repair compound - HCBBS Forum
24. 【Picture of the Day】2016 2.6 What is the blue object in this picture? Those who answer correctly receive 10 wealth as a reward - HCBBS Forum
25. I have a question regarding PLCs and instruments - HCBBS Forum
26. Sign-in record post from February 13, 2016 - HCBBS Forum
27. 【Daily Question】1.31 The essence of the metal corrosion process (Reply +3 wealth; correct answer adds +3–8 wealth) - HCBBS Forum
28. Some distillation tower overhead coolers are equipped with non-condensable gas lines while others do not; why is that? - HCBBS Forum
29. Operation of the primary drain valve for the waste heat boiler header - HCBBS Forum
30. I haven’t been here in a long time - HCBBS Forum
31. Discussion on the consumption of instrument air - HCBBS Forum
32. Happy New Year - HCBBS Forum
33. 【Daily Question】1.27 Corrosion of metals in salts and acids (3 wealth points for replies; +3 to -8 wealth points for correct answers) - HCBBS Forum
34. Cleaning of rust on the inner wall of tower equipment - HCBBS Forum
35. How to remove trace amounts of methanol - HCBBS Forum
36. Newbie seeking advice on the host file issue in PKS system - HCBBS Forum
37. 【Weekly Topic】【Engineering Version 20160204】 - HCBBS Forum
38. 【Daily Question】2.5 Focus Points of Corrosion Research (Reply +3 Wealth; Correct Answer +3–8 Wealth) - HCBBS Forum
39. How to wire for data transmission when the distance is over 500 meters on-site - HCBBS Forum
40. May I ask how to use OPC technology to read system status variables in order to display the system status on a web page? - HCBBS Forum
41. Anode and cathode main pipes at the outlet of the electrolyzer - HCBBS Forum
42. Thoughts on the exam for registered electrical engineers - HCBBS Forum
43. “China can manufacture excellent rockets and high-speed trains – why can’t it produce simple ballpoint pen tips? - HCBBS Forum
44. Request translation and structural analysis - HCBBS Forum
45. Descaling of coal-fired steam boilers - HCBBS Forum
46. Angola: Henkel’s crude oil analysis - HCBBS Forum
47. How to quickly detect that a rotating centrifugal pump has reversed direction - HCBBS Forum
48. Looking for a simulator for STEP7 5.5 - HCBBS Forum
49. HELP WITH EXCEL - HCBBS Forum
50. Instrument for measuring the concentration of black liquor in pulp alkali recovery? - HCBBS Forum
51. 【Weekly Topic】【HVAC Version 20160125】 - HCBBS Forum
52. Formula for calculating the heat transfer efficiency of a heat exchanger - HCBBS Forum
53. 【Chemical Industry Ad】Second-generation biodiesel - HCBBS Forum
54. First post after the Spring Festival: Wishing everyone a happy New Year, good health, and success in their work - HCBBS Forum
55. How should washers be used? - HCBBS Forum
56. Could some expert please explain this? - HCBBS Forum
57. Dear experts, I have a question and need your help - HCBBS Forum
58. 20160129 One question per day - HCBBS Forum
59. 【Daily Question】Chemical Engineering Principles 304: Precautions for Fixed-Bed Operation (January 24) - HCBBS Forum
60. What is this? How do I eat it? - HCBBS Forum
61. Should a separate liquid separation tank be designed for the inlet pipeline of the ammonia flare? - HCBBS Forum
62. What are the reasons for the decrease in microbial concentration in microbial wastewater treatment reactors? - HCBBS Forum
63. I have a question regarding the welding of pressure vessels at atmospheric pressure - HCBBS Forum
64. [Daily Question] 2-13 How should this sentence be understood? - HCBBS Forum
65. have a more money day! - HCBBS Forum
66. Components of coking dry gas - HCBBS Forum
67. The Heat Exchanger Design Handbook, E.U. Schlunder - HCBBS Forum
68. Why is the ammonia nitrogen level always high in compressed positions? - HCBBS Forum
69. 【Daily Question】 (Sent again on the 5th day of the month) 2.12 Anodic protection (+3 wealth for replies; +3 to -8 wealth for correct answers) - HCBBS Forum
70. Prevention and control measures for high-pressure hydrogen-containing areas - HCBBS Forum
71. Sign-in record post from January 28, 2016 - HCBBS Forum
72. Is there a process flow diagram for the synthesis of PFD using dimethyl methane? - HCBBS Forum
73. Is it a professional contraindication, or a professional prohibition? - HCBBS Forum
74. 【Picture of the Day】2016 2.2 What is the device in this picture? - HCBBS Forum
75. Regarding the butadiene content in catalytically liquefied gas - HCBBS Forum
76. Calculate the heat exchanger area - HCBBS Forum
77. Guan Guan is having a birthday today—please send flowers, likes, and wishes. - HCBBS Forum
78. Is ethylene glycol corrosive? - HCBBS Forum
79. The difference between within China’s territory and within China’s jurisdiction - HCBBS Forum
80. Keep working hard! - HCBBS Forum
81. Environmental Protection Daily Quiz: 1.27 – Participate for prizes; 3 correct answers and you’ll get an additional 5 as a reward - HCBBS Forum
82. [Suggestion Post] Suggest adding a section on waste acid regeneration - HCBBS Forum
83. 50 yuan for a complete set of construction drawings for air separation and air compression systems - HCBBS Forum
84. Happy New Year! I have a few questions related to vibration testing instruments - HCBBS Forum
85. Exaggerations about winter stockpiling in 2015-16 – Useless anyway - HCBBS Forum
86. 【Daily Question】1.25 Multiple-choice question: It is generally referred to as a process that only changes the external state and shape of a substance, without altering its composition... - HCBBS Forum
87. Happy Spring Festival - HCBBS Forum
88. The weather is great today - HCBBS Forum
89. Reciprocating compressor cylinder cooling - HCBBS Forum
90. 【Daily Question】2016.2.2 Participate for +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
91. Differences in the types of bearings and the direction of grooving in shielded pumps - HCBBS Forum
92. What is the difference with the additional Guide feature in Meso’s valve seat types? - HCBBS Forum
93. Solutions for insufficient safety clearance – the issue of idleness - HCBBS Forum
94. Sign-in record post from February 11, 2016 - HCBBS Forum
95. What are the requirements to obtain a pipeline installation certificate and a design certificate? - HCBBS Forum
96. Equipment for minor dehydration of oils - HCBBS Forum
97. Summary of Work for the Year of the Sheep - HCBBS Forum
98. 【Daily Question】 February 7th: What is the purpose of blending coker gasoline? To improve coker gasoline? ? - HCBBS Forum
99. Current industry status - HCBBS Forum
100. If it is both a base shaft system and a base hole system, is it definitely a clearance fit? - HCBBS Forum