English — Forum #723 (Page 477/642)

Prev 474 475 476 477 478 479 480 Next
  1. Question 75 on Boiler Foundations, October 29: (A certain score will be given to the top 40) - HCBBS Forum
  2. Please translate, please explain - HCBBS Forum
  3. Which design institute is good at treating wastewater from the refining industry? Looking for recommendations - HCBBS Forum
  4. The issue of SO2 emission standards - HCBBS Forum
  5. Treatment of raffinate and back-extracted liquid - HCBBS Forum
  6. Selection of dampers for the inlet section of pressure gauges - HCBBS Forum
  7. Is it necessary to install dry powder fire extinguishers on the distillation tower platform (at heights)? - HCBBS Forum
  8. 【Daily Question】Wastewater Knowledge - 10.31 (2 points for answering, 5 points for a correct answer) - HCBBS Forum
  9. Piping system airtightness test - HCBBS Forum
  10. The calculation results for plate heat exchangers vary - HCBBS Forum
  11. Questions about the pump - HCBBS Forum
  12. How does ASPEN predict the octane number of gasoline? - HCBBS Forum
  13. 500 series high-performance vector frequency converters - HCBBS Forum
  14. Design issues of blowdown valves - HCBBS Forum
  15. Measurement problems of differential pressure flowmeters - HCBBS Forum
  16. Daily Question 10.28: When shutting down the pump urgently, close the outlet valve first, then stop the motor - HCBBS Forum
  17. What should be done with wastewater containing chromium, nickel, and copper that has already been mixed together? - HCBBS Forum
  18. One post per day - HCBBS Forum
  19. Pipeline material selection - HCBBS Forum
  20. Energy-saving issues in the modification of liquid ring vacuum pumps - HCBBS Forum
  21. What are the factors that affect the separation efficiency of a separator? - HCBBS Forum
  22. How to depressurize a shut-down adsorber - HCBBS Forum
  23. 【Daily Question】Question from Issue 20151103 - HCBBS Forum
  24. 【Daily Question】 November 5th: Can the online decoking process pass through the furnace tubes? ? ? Significant changes are made to achieve the purpose of cleaning the coke. - HCBBS Forum
  25. Which is a better horizontal push-type centrifuge? - HCBBS Forum
  26. One question per day - HCBBS Forum
  27. Effect of ammonia tank concentration on resolved conductivity - HCBBS Forum
  28. Issues with CS3000 or VP lower components - HCBBS Forum
  29. How should slag leakage from the water-cooled air distribution plate in a circulating fluidized bed boiler be dealt with? - HCBBS Forum
  30. I need an article on instrument maintenance for internal company distribution. - HCBBS Forum
  31. 【Daily Question】Question for Issue 20151028 - HCBBS Forum
  32. Are there any time limits for lifting operations? ? It seems there are no requirements? - HCBBS Forum
  33. 【Daily Question】Question from Issue 20151104 - HCBBS Forum
  34. What are the common materials for valves used in circulating fluidized bed boilers? - HCBBS Forum
  35. Comparison of the advantages and disadvantages of intercoolers and packing scrubbers - HCBBS Forum
  36. Talk about the chemical projects that you know are about to start construction - HCBBS Forum
  37. What is the moisture content of resin? - HCBBS Forum
  38. The pipeline pressure has increased; can the safety valve still be used? - HCBBS Forum
  39. The pH value of the graywater in the vaporization deaerator remains around 9.1, or even higher - HCBBS Forum
  40. For rockets, the true cornerstone should be Warcraft! - HCBBS Forum
  41. The equipment installation for the Qinghua concentrated brine treatment project in Xinjiang has been successfully completed - HCBBS Forum
  42. Does anyone know the criteria for determining when SKF bearings are unusable? Urgent need - HCBBS Forum
  43. 【Daily Question】Question from Issue 20151102 - HCBBS Forum
  44. Boiler inspection - HCBBS Forum
  45. Regarding head thermoforming - HCBBS Forum
  46. One question per day (1104) - HCBBS Forum
  47. 【Daily Question】Question from Issue 20151030 - HCBBS Forum
  48. What is the role of regulations on workplace safety? - HCBBS Forum
  49. The flow coefficient value KV of the triple-eccentric butterfly valve - HCBBS Forum
  50. ISA S75.01 American Instrumentation Society standard for control valve design, - HCBBS Forum
  51. 400,000 tons of coal-based ethylene glycol – how much raw coal is consumed per year approximately? - HCBBS Forum
  52. 【Help】Power issue with reciprocating compressors - HCBBS Forum
  53. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation; Question 203 - HCBBS Forum
  54. Turbine main steam valve - HCBBS Forum
  55. Joint Study*1102: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
  56. Question 75 on Boiler Foundations, October 30: (A certain score will be given to the top 40) - HCBBS Forum
  57. Why don’t enterprises engaged in the direct liquefaction of Shenhua coal and the hydrogenation of coal tar produce cycloalkyl specialty oils? - HCBBS Forum
  58. Approaches to safety and environmental protection management - HCBBS Forum
  59. 【Daily Question】10.30 True or False: n-Butylene is a raw material for the synthesis of cis-butyl rubber (+5) - HCBBS Forum
  60. 【Daily Question No. 18】November 4, 2015: +2 wealth for participation, +3 additional wealth for correct answers - HCBBS Forum
  61. I would like to ask everyone about issues related to the crude argon tower - HCBBS Forum
  62. Calm, kind, happy - HCBBS Forum
  63. Boiler leak - HCBBS Forum
  64. Urgently need MTL safety barrier configuration software - HCBBS Forum
  65. 【Safety and Environmental Protection Section】October Active Members Rewards – Winners please reply to claim their awards - HCBBS Forum
  66. If an occupational contraindication is detected during a workplace health check-up, such as hearing loss, how should it be handled? - HCBBS Forum
  67. 【Daily Question No. 48】November 05, 2015: +2 wealth for participation, plus another +3 to +8 wealth for correct answers - HCBBS Forum
  68. Troubles with hot work? Seeking help from all the experts here - HCBBS Forum
  69. Issues regarding the parameters of desalinated water from factories - HCBBS Forum
  70. Online water dew point analyzer - HCBBS Forum
  71. The impact of excessively low coking rate in catalytic cracking on the plant - HCBBS Forum
  72. Classification of safety facilities - HCBBS Forum
  73. What are the advantages of the telescoping function of the boom and outriggers in truck cranes? - HCBBS Forum
  74. Color corrosion condition of silicon core strip - HCBBS Forum
  75. Desulfurization of refinery gas and natural gas - HCBBS Forum
  76. 【Daily Question】10.31.2015 (1 wealth point for replying, plus 3–8 additional wealth points for a correct answer) - HCBBS Forum
  77. Centrifugal compressor - HCBBS Forum
  78. Hydraulic test of internal floating roof oil tank - HCBBS Forum
  79. 【Daily Question No. 21】November 9, 2015: +2 wealth for participation, +3 additional wealth for correct answers - HCBBS Forum
  80. Brief Review of the National Coal Market Prosperity Index in September 2015 - HCBBS Forum
  81. Can carbon steel tanks hold ethanol and methanol? - HCBBS Forum
  82. Cathodic protection - HCBBS Forum
  83. Communication and cooperation - HCBBS Forum
  84. 【Daily Question No. 14】October 29, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
  85. Sign-in record post from October 27, 2015 - HCBBS Forum
  86. What is the scope of safety culture? - HCBBS Forum
  87. Submersible pump operation - HCBBS Forum
  88. I would like to ask about the calculation formula for using a orifice plate flow meter to measure steam - HCBBS Forum
  89. Does the pressure switch require one wire to be disconnected for verification? - HCBBS Forum
  90. On-site disposal plan - HCBBS Forum
  91. Stirred tank reboiler temperature - HCBBS Forum
  92. Sign-in record post dated October 28, 2015 - HCBBS Forum
  93. The mandatory intermediate variables in Tricon TS3000 have been changed! - HCBBS Forum
  94. What are the hazards of too high a liquid level in the separator? - HCBBS Forum
  95. Issues with extending industrial cables - HCBBS Forum
  96. What do \"accident on\" and \"accident off\" mean? - HCBBS Forum
  97. Let’s work on question 31-2 from the 2015 First-Class Constructor Examination – multiple-choice questions 35-36 in \"Engineering Economics\"; there will be a reward for correct answers - HCBBS Forum
  98. What do you hope to achieve by registering in the HaiChuan region? 【Reply reward: 5 Wealth】 - HCBBS Forum
  99. 【Daily Question】Question from Issue 20151030 - HCBBS Forum
  100. Production of propylene oxide using the HPPO process - HCBBS Forum
Prev 474 475 476 477 478 479 480 Next