English — Forum #723 (Page 437/642)

1. Newbie seeking advice—when designing a mixer, is it necessary to design the mixing components first and then the reactor? - HCBBS Forum
2. Blue-style filter cartridge - HCBBS Forum
3. What should be done if the liquid level control valve of the gasifier cannot be opened? - HCBBS Forum
4. Why do diaphragm metering pumps have no leaks compared to piston metering pumps? - HCBBS Forum
5. What snacks does your family prepare for the New Year? - HCBBS Forum
6. 【Daily Question】Question from the 20151125 issue - HCBBS Forum
7. Why can’t laptop power adapters be used interchangeably? - HCBBS Forum
8. Harris Barbecue attracts attention for entering the Chinese market with Korean-style trendy cuisine - HCBBS Forum
9. November 28th, Boiler Foundation Question 103: (A certain score will be given to the top 50) - HCBBS Forum
10. Sign-in record post dated November 26, 2015 - HCBBS Forum
11. What are the common extremely hazardous (Category 2) media? - HCBBS Forum
12. Changed work environment to spend money~ - HCBBS Forum
13. What are the emission standards for the three types of waste generated in methanol production? - HCBBS Forum
14. 【Daily Question】Chemical Engineering Principles 253: Absorption Operation Line (December 4) - HCBBS Forum
15. Fenton equipment for treating wastewater - HCBBS Forum
16. Help: How to reduce the temperature of the circulating water in the workshop? - HCBBS Forum
17. Joint Learning*1202: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
18. Translation help needed - HCBBS Forum
19. Does anyone know who is responsible for preparing the welding test plates for the containers? - HCBBS Forum
20. Specific supplementary information on plasma vaporization parameters - HCBBS Forum
21. On the memory effect of vanadium catalysts - HCBBS Forum
22. Our plant has a hydrogen production unit with a capacity of 7200 m3/h; why is the water-to-carbon ratio 3.5? - HCBBS Forum
23. Specific pressure and gasket coefficient of fluororubber? - HCBBS Forum
24. What equipment and processes should be used for dust removal from high-temperature oil and gas? - HCBBS Forum
25. What are the advantages of turbine flowmeters? - HCBBS Forum
26. Saddle wrap angle issue - HCBBS Forum
27. Internal and external anti-corrosion heat exchange tubes made of steel grade 10 - HCBBS Forum
28. Coking time and coke oven - HCBBS Forum
29. Sulfuric acid conversion rate - HCBBS Forum
30. Selection of mixing mode - HCBBS Forum
31. December 4th, Boiler Foundation Question 110: (A certain score will be given to the top 50) - HCBBS Forum
32. PID electronic control diagram - HCBBS Forum
33. What are the requirements of the hydrorefining unit regarding the carbon residue in the 10% distillate residue of the feedstock? - HCBBS Forum
34. Settling tank cleaning - HCBBS Forum
35. Regulations on the Management of Special Equipment - HCBBS Forum
36. 20151201 One question per day - HCBBS Forum
37. 【Daily Question】 December 14th True or False Question - HCBBS Forum
38. What are the methods of physical cleaning? - HCBBS Forum
39. **How to prepare an emergency response plan for chemical transportation? - HCBBS Forum
40. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 226 - HCBBS Forum
41. Time fades away, submerged in darkness - HCBBS Forum
42. One question per day (1205) - HCBBS Forum
43. Ammonia fractionator in the ammonia vaporization tower - HCBBS Forum
44. Do entities that use hazardous chemicals still need to register them? ? ? ? - HCBBS Forum
45. Weekly topic: 5 Wealth points for correct answers, 2 Wealth points for participation； Question 228 - HCBBS Forum
46. Beware of mullite inclusion in coal - HCBBS Forum
47. What are the main factors affecting the flue gas desulfurization efficiency in a circulating fluidized bed? - HCBBS Forum
48. Issues regarding equipment modeling in the piping modeling of synthesis towers - HCBBS Forum
49. Falsification of quality certificate - HCBBS Forum
50. Pressure remains constant, temperature stays steady, and flow is like a full moon – how should this phrase \"flow is like a full moon\" be interpreted? Thank you - HCBBS Forum
51. Case study – What are the consequences of excessive PWHT time for 12Cr1MoVG header tanks? - HCBBS Forum
52. How exactly is it set up with N equal to two in the SIS configuration? - HCBBS Forum
53. Joint Learning*1126: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
54. What does “like after execution” mean? - HCBBS Forum
55. How to shorten the crystallization time and obtain high-quality zinc sulfate heptahydrate crystal products - HCBBS Forum
56. I would like to ask whether testing the iron in stainless steel by dissolving it in a certain liquid will have an impact on the product? - HCBBS Forum
57. I hope fellow sailors can provide an assessment of the lead chloride market - HCBBS Forum
58. Control of P-274 pressure after shutdown of the Kitakika Seiki or Asahi Kasei zero-gap electrolyzer - HCBBS Forum
59. The most authoritative method for adjusting the rotor clearance in Roots vacuum pumps - HCBBS Forum
60. 【Daily Question】Chemical Engineering Principles 247: Absorption (November 28) - HCBBS Forum
61. How do I write an emergency response plan for a hot oil furnace? ? - HCBBS Forum
62. The Ministry of Public Security discusses the household registration issues of 1,300 people without official registration - HCBBS Forum
63. 【Daily Question No. 68】December 03, 2015: +2 wealth for participation, +3 to +8 wealth for correct answers - HCBBS Forum
64. Analysis of the causes of valve stem fracture - HCBBS Forum
65. 【Daily Question No. 40】December 04, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
66. Online oil blending - HCBBS Forum
67. Introduction to a high-capacity low-rank coal dewatering and upgrading technology that has been in normal operation for 1 year - HCBBS Forum
68. What size cable is required for a 65kw shielded pump? Is a 95 gauge cable necessary? - HCBBS Forum
69. 【Popular Science Tips on Polymers and Materials】--41 Choosing the Material for Baby Pacifiers + People Watching the Sea - HCBBS Forum
70. Problems with the jacketing plate positioning - HCBBS Forum
71. Seeking cooperation for fine chemical projects - HCBBS Forum
72. Who has information on the design of water-coal slurry gasification burners? - HCBBS Forum
73. Which specification specifies the allowable tolerances for the coordinates and elevations of steel pipe supports? - HCBBS Forum
74. Are ball valves on tracks commonly used in hydrogenation units these days? - HCBBS Forum
75. How much longer until winter of sulfuric acid is over? - HCBBS Forum
76. The Lucky Points event for this month has concluded. Counting now. The exchange will be announced later - HCBBS Forum
77. Sign-in record post dated November 27, 2015 - HCBBS Forum
78. Coking in the gasoline selective hydrogenation heat exchanger, and rapid increase in pressure difference in the pre-hydrogenation protection tank - HCBBS Forum
79. Liquid hydrocarbon tank level - HCBBS Forum
80. Part 6 of the college debate series: Vocational colleges and universities – should we give strong support to vocational colleges? - HCBBS Forum
81. I would like to ask what are the methods for dealing with waste acid after gold extraction? - HCBBS Forum
82. Was the Shandong Hangyang plant designed by Air Liquide? - HCBBS Forum
83. 【Daily Question】Question from Issue 20151127 - HCBBS Forum
84. Rules for compiling instrument tag numbers across the entire plant. - HCBBS Forum
85. Any special device, software or tool necessary ... How to translate - HCBBS Forum
86. Ask an environmental protection professional a question. - HCBBS Forum
87. Request a purging plan for a chlorine engineering electrolysis system - HCBBS Forum
88. Issues with using double-flange differential pressure for level measurement - HCBBS Forum
89. Everyone is welcome to go to the Machinery Area to participate in the [Machinery Area] Equipment Winter Protection: Comprehensive Tips on Preventing Freezing of Equipment event - HCBBS Forum
90. 【Daily Question】Question from Issue 20151130 - HCBBS Forum
91. What material is A8A in the American standards? - HCBBS Forum
92. Emergency help! Emergency help! There’s a problem with the vaporization furnace - HCBBS Forum
93. Urgent! Urgent! Urgent! ! What material should be used for bolts in salt-containing acidic wastewater tanks? - HCBBS Forum
94. MTO unit temperature and pressure reducer - HCBBS Forum
95. Diaphragm type control valve – is this a valve? - HCBBS Forum
96. Basics of starting and stopping operations in Texaco gasification - HCBBS Forum
97. 【Daily Question】11.28 Multiple-choice question: After a leak occurs in the high-pressure air cooler, what is the simplest and most feasible way to locate the leak? - HCBBS Forum
98. Mobile crane - HCBBS Forum
99. What to do if scale forms on the equipment in chemical plants - HCBBS Forum
100. What is the maximum allowable temperature of the pump body in a shielded pump? What is the approximate range? - HCBBS Forum