English — Forum #723 (Page 447/642)

1. “The 13th Five-Year Plan emerges: strong push for coal chemical industry - HCBBS Forum
2. What is poor concentration variation combustion? - HCBBS Forum
3. Ten Provisions on Fire and Explosion Prevention in Oil and Gas Tank Farms - HCBBS Forum
4. What impurities in methanol does the methanol purifier in the etherification unit specifically remove? - HCBBS Forum
5. Operating load of centrifugal compressor - HCBBS Forum
6. Seeking advice from fellow sailors regarding mixing equipment in tank areas? - HCBBS Forum
7. 【Popular Science on Polymers and Materials】--39 Water Treatment Agent: Polyaluminum Chloride + zdl1966 - HCBBS Forum
8. 20151119 Daily Question - HCBBS Forum
9. Weifang Jinjian Titanium Equipment Co., Ltd. — Hiring Technical Engineers and Application Project Sales Engineers - HCBBS Forum
10. Desorption hydrolysis modification - HCBBS Forum
11. I have some questions regarding refrigerators and expanders. - HCBBS Forum
12. How to treat wet flue gas desulfurization wastewater such as HPF wastewater - HCBBS Forum
13. Issues regarding the pressure tapping methods for orifice plate throttling devices - HCBBS Forum
14. Everyone, take question 76-2: Multiple-choice question 62 from the 2015 First-Class Constructor Examination in \"Project Management\"; there will be a reward for those who answer it correctly - HCBBS Forum
15. Is the significant drop in natural gas prices beneficial for synthetic ammonia? - HCBBS Forum
16. 【Weekly Topic】How often should the components of a central oxygen check valve be inspected for damage? - HCBBS Forum
17. I would like to ask how to test the BOD5 of wastewater - HCBBS Forum
18. Experience in Identifying \"Abnormal Noise and Vibration\" in Chemical Plants - HCBBS Forum
19. What type of gasket is suitable for the steam trap piping? - HCBBS Forum
20. For vacuum dehydration in reaction vessels, which vacuum pump is more suitable? - HCBBS Forum
21. Smile, balance work with rest! - HCBBS Forum
22. The buried pipeline for sewage oil lacked anti-corrosion treatment and was exposed to water for a long time - HCBBS Forum
23. Can a Karl Fischer titrator be used for the analysis of volatile matter in resin paste? - HCBBS Forum
24. 【Daily Question】 November 24th: What is the average boiling point of a liquid in relation to its oil property factor K value? ? ? function of. - HCBBS Forum
25. Could someone experienced give me some guidance? I’ve just started in this field and don’t understand much - HCBBS Forum
26. Question: Initial registration, proof of performance - HCBBS Forum
27. Centrifugal pump minimum flow protection line - HCBBS Forum
28. Are there any standard requirements specifying that the oil level measurement hole in storage tanks should have a guide groove? - HCBBS Forum
29. Could someone please explain what the three graphs showing corrosion rates in the reply to the following link mean? Thank you everyone - HCBBS Forum
30. What preparations are needed before assembling the tray? - HCBBS Forum
31. 【Daily Question】Question from Issue 20151118 - HCBBS Forum
32. The heart is like the warm sun, and life blooms like flowers - HCBBS Forum
33. The main reasons for the sharp drop in oil prices - HCBBS Forum
34. How to improve production workers’ quality awareness - HCBBS Forum
35. Is indirect coal liquefaction for oil production the mainstream technology in the future? - HCBBS Forum
36. Heat source issue for hydrogen production from methanol - HCBBS Forum
37. How to remove chromium trioxide from water - HCBBS Forum
38. (Basic knowledge) What is the bed pressure difference of a circulating fluidized bed boiler? - HCBBS Forum
39. What are the factors that affect the catalyst performance of SCR? - HCBBS Forum
40. 【Daily Question】Chemical Engineering Principles 241: Drying (November 22) - HCBBS Forum
41. A German production director identified 151 types of waste in Chinese factories over a period of five years - HCBBS Forum
42. What is the role of ammonia water in treating wastewater? - HCBBS Forum
43. How to remove dirt from water supply pipes? - HCBBS Forum
44. How to write Intouch report scripts - HCBBS Forum
45. I need help with two VB code segments in WinCC, related to valves. - HCBBS Forum
46. What does the design document for pressure vessels include? - HCBBS Forum
47. The issue of mismatch between pipes and fittings in chemical industry standards - HCBBS Forum
48. Production technologies, manufacturers, and users of 1,2-cyclohexanediol - HCBBS Forum
49. Why is it necessary to continuously increase the reflux ratio in a batch distillation column to ensure product quality? - HCBBS Forum
50. How to remove moisture from the high-temperature gases in a drying furnace - HCBBS Forum
51. (Basic knowledge) What is the furnace differential pressure of a circulating fluidized bed boiler? - HCBBS Forum
52. The Ministry of Industry and Information Technology issued the \"Regulatory Requirements for the Coal-to-Olefins Industry (Draft for Comment)\\" - HCBBS Forum
53. Friends who have started families and built careers, please give some advice - HCBBS Forum
54. Strengthen the weatherproofing measures for outdoor cranes - HCBBS Forum
55. The junior wants to become an automation engineer； I earnestly request video tutorials and books on using CAD 2010 to draw electrical schematic diagrams and layout plans! Thank you! - HCBBS Forum
56. Is it necessary to specify a certain pressure in kilograms for the design of atmospheric deaerators? - HCBBS Forum
57. 【Daily Question】11.18 True or False The preheating rate of a hot oil pump is ≮50°C/h. （ ） - HCBBS Forum
58. Processes related to H2S other than in HCN - HCBBS Forum
59. Notice on Strengthening Environmental Supervision of Hazardous Wastes to Curb the Trend of Illegal Discharge, Dumping, and Disposal of Hazardous Wastes - HCBBS Forum
60. Ask a very basic question - HCBBS Forum
61. What is the power requirement for ammonia compressors in ammonia synthesis and for gas circulation compressors? - HCBBS Forum
62. Winter has arrived – how can one allow laziness to make them gain weight? Winter tips for losing weight while staying healthy - HCBBS Forum
63. Seeking advice on the regulations for tool management and spare parts management in workshops? Thank you - HCBBS Forum
64. What to do with kids on the weekend - HCBBS Forum
65. Must programming within the SIS system use inverse logic? - HCBBS Forum
66. 【Daily Question No. 27】November 17, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
67. Why is it necessary to know the compressibility factor of a gas when calculating throttling devices? - HCBBS Forum
68. Wastewater treatment in coking plants – Academic materials - HCBBS Forum
69. What is the emission of productive toxins? - HCBBS Forum
70. Oil cooling manufacturer recommendations - HCBBS Forum
71. A problem with the Yokogawa CS3000 - HCBBS Forum
72. What is the purpose of conducting hydrostatic tests on tower-type equipment? - HCBBS Forum
73. Do CNG refueling station compressors generally require a backup unit? - HCBBS Forum
74. Regarding work stress issues - HCBBS Forum
75. I have a pressure vessel certificate and want to obtain a boiler certificate - HCBBS Forum
76. 【Daily Question No. 57】November 18, 2015: +2 wealth for participation, +3 to +8 wealth for correct answers - HCBBS Forum
77. High temperature issue in Roots pumps - HCBBS Forum
78. What is the nitrogen consumption for the two storage tanks (including large and small breathing)? In cubic meters? - HCBBS Forum
79. The impact of reclaimed water reuse on circulating water and countermeasures - HCBBS Forum
80. Issue of expired device blueprint signature - HCBBS Forum
81. Looking for manufacturers of nickel-aluminum bronze or super duplex steel ball valves - HCBBS Forum
82. Does new lubricant need to be tested? - HCBBS Forum
83. Regenerator dendritic main air distributor - HCBBS Forum
84. Desulfurization, Desulfurization of Alcohols - HCBBS Forum
85. Are pesticides considered **chemicals**? - HCBBS Forum
86. Can valves made of 317L material be used in the sampling pipelines for SO2 and SO3 at 650 degrees in sulfuric acid plants? - HCBBS Forum
87. Issues related to the establishment of standards for pressure gauge calibration - HCBBS Forum
88. Differences in speed sensors: Hall, magnetoelectric, eddy current - HCBBS Forum
89. 【Daily Question】Chemical Engineering Principles 243: Absorbents (November 24) - HCBBS Forum
90. Everyone encounters some insurmountable obstacles on their inevitable path of growth - HCBBS Forum
91. Process Equipment and Control Engineering - HCBBS Forum
92. Nodbus communication - HCBBS Forum
93. Process design for the production of potassium sulfate via the conversion of sulfuric anhydride - HCBBS Forum
94. Question 91 on Boiler Foundations, November 17: (A certain score will be given to the top 40) - HCBBS Forum
95. What do these English words mean? Thank you so much, experts! - HCBBS Forum
96. Where does the fine slag from the gasification slag water unit go? - HCBBS Forum
97. Which type of rubber is suitable for frequent deformation? - HCBBS Forum
98. Discussion on issues related to transceiver devices - HCBBS Forum
99. Slurry scraper - HCBBS Forum
100. Types of reforming reactors and their comparison - HCBBS Forum