English — Forum #723 (Page 345/642)

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  1. Catalyst unit replacement standards - HCBBS Forum
  2. This post is a report from the Mechanical Forum moderators and technicians -- [Internal Communication Post of the Mechanical Forum] - HCBBS Forum
  3. Learning Experience: Six practical ways to improve spoken English - HCBBS Forum
  4. Analysis of sulfur market trends in February 2016 - HCBBS Forum
  5. 【Daily Question】February 25, 2016: Participation = +2 wealth; +3 to 8 wealth for correct answers - HCBBS Forum
  6. 【Basic Knowledge Activity】In the professional \"basic knowledge\" of the petrochemical industry, what are the indicators used to assess the safety of light diesel? - HCBBS Forum
  7. Usage of molecular sieve adsorbents - HCBBS Forum
  8. Qualities required of an excellent electrician - HCBBS Forum
  9. Problems with fixed-bed gas generation - HCBBS Forum
  10. Methanol Section: One Question per Day – Material Knowledge, 2016.03.02 - HCBBS Forum
  11. Knowledge about gas tanks - HCBBS Forum
  12. In a fractionation tower, why is the specific gravity of the tail oil higher than that of diesel? - HCBBS Forum
  13. Come on, let’s take apart the characters in the couplet - HCBBS Forum
  14. Discuss a vocabulary question - HCBBS Forum
  15. What considerations should be taken into account in the design and manufacturing of CrMo steel pressure vessels? - HCBBS Forum
  16. Gather some materials for practicing **spoken English** and American TV shows - HCBBS Forum
  17. For GGC cladding, is heat treatment necessary? - HCBBS Forum
  18. Sign-in record post from February 29, 2016 - HCBBS Forum
  19. The fate of the liquefied gas coming out of the liquefied gas desulfurization tower and passing through the liquefied gas amine separation tank - HCBBS Forum
  20. 【Daily Question】2016.2.26 Participation +2 Wealth; +3 to 8 wealth for correct answers - HCBBS Forum
  21. Does anyone have the technical specifications for the gasifier quench ring? - HCBBS Forum
  22. One Question per Day on Synthetic Ammonia (Series 29) - HCBBS Forum
  23. Circulating water agent - HCBBS Forum
  24. Para-selective Toluene Alkylation Translation of selective alkylation of toluene - HCBBS Forum
  25. 【Daily Topic】【Electrical Edition 20160302】 - HCBBS Forum
  26. 【Daily Question】February 27, 2016: +2 wealth for participation; +3 to 8 wealth for correct answers - HCBBS Forum
  27. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points; Question 447 - HCBBS Forum
  28. Copper prohibited for control valves - HCBBS Forum
  29. 【Weekly Topic】【HVAC Version 20160226】 - HCBBS Forum
  30. I would like to ask: what is the concentration used for denitration with liquid ammonia? Where are liquid ammonia tanks usually placed? - HCBBS Forum
  31. 【Daily Topic】【Electrical Edition 20160227】 - HCBBS Forum
  32. How to use Aspen to simulate the boiling point of electrolyte solutions - HCBBS Forum
  33. Need help selecting a pumping pump for industrial use, thank you - HCBBS Forum
  34. type test - HCBBS Forum
  35. I’m going to work as an instrument technician - HCBBS Forum
  36. Why are apples selling so poorly this year? - HCBBS Forum
  37. The setting pressure of the safety valve is 1.5 MPa. There is an explosion relief tank behind the safety valve; what determines the volume and pressure of this tank? - HCBBS Forum
  38. 【Joint Study*】【Electrical Version 20160304】 - HCBBS Forum
  39. 【Weekly Topic】【Storage & Transportation Edition 20160223】 - HCBBS Forum
  40. Methanol section: One question per day – knowledge on heat exchangers, etc. 2016.02.29 - HCBBS Forum
  41. Hours for instrument calibration - HCBBS Forum
  42. Installation requirements for DN500 butterfly valve - HCBBS Forum
  43. 【Daily Question】2.23 Multiple-choice Question: In chemical process pipelines, for pipes that require high strength, good sealing performance, and the ability to be disassembled... - HCBBS Forum
  44. When will spring arrive for pressure vessels? - HCBBS Forum
  45. One Question per Day on Synthetic Ammonia (Series 23) - HCBBS Forum
  46. Who has information on LNG? - HCBBS Forum
  47. The Asahi Glass representatives will be at our factory tomorrow. Does anyone have any questions? ? ? - HCBBS Forum
  48. Can the data transmission of sensors and instrument control components at the site be achieved wirelessly? - HCBBS Forum
  49. 【Daily Topic】【Quality Version 20160302】 - HCBBS Forum
  50. The function and principle of hot coal water tanks - HCBBS Forum
  51. 【Weekly Topic】【Engineering Version 20160223】 - HCBBS Forum
  52. Request for a compilation of typical cases of production safety accidents (2015 edition) and Life Cannot Be Repeated - HCBBS Forum
  53. 【Daily Question】Hydrogenation Sector 2016 02 25 - HCBBS Forum
  54. Problems with the styrene project - HCBBS Forum
  55. I have a few questions regarding the unloading of LNG pumps, and I’d like to ask everyone for their insights - HCBBS Forum
  56. 【Promotion for Petrochemical Events】Please go vote! ! ! ! ! ! - HCBBS Forum
  57. Solution preparation - HCBBS Forum
  58. Shuangyashan Longmei Tiantai Coal Chemical Co., Ltd - HCBBS Forum
  59. Doubts in the calculation of HTRI heat exchanger processes - HCBBS Forum
  60. Stainless steel material issues - HCBBS Forum
  61. Why does the sulfite content in the closed-loop water system decrease slowly after each addition? - HCBBS Forum
  62. For the design calculation of falling film evaporators, how are the vaporization rate and circulation rate determined? - HCBBS Forum
  63. The impact of installing a flow orifice plate in the reverse direction on flow measurement - HCBBS Forum
  64. Occupational Health Daily Question 3.2: Participate for a prize; 5 correct answers and another prize will be given - HCBBS Forum
  65. Seeking an explanation of the Golan specifications - HCBBS Forum
  66. Five words to tell you what to check for safety in the workshop team - HCBBS Forum
  67. 【Basic Knowledge Activity】Professional \"Basic Knowledge\" in the petrochemical industry: What are the indicators used to evaluate the ignition performance of diesel? - HCBBS Forum
  68. Questions regarding the calculation of pipe fitting wall thickness - HCBBS Forum
  69. Feasibility and necessity of converting a centrifugal air compressor from three-stage compression to two-stage compression - HCBBS Forum
  70. Clarifying PID control types~ - HCBBS Forum
  71. Looking for a structural diagram of silo pump equipment? - HCBBS Forum
  72. Does the synthesis of hydrogen chloride in chlor-alkali production fall under the chlorination process? - HCBBS Forum
  73. Started working at an oil refinery after graduating from undergraduate school - HCBBS Forum
  74. 【Joint Study*】【Civil Engineering Version 20160229】 - HCBBS Forum
  75. Seeking a formula for eco-friendly PVC terminators - HCBBS Forum
  76. ““I have a suggestion for the company” (This post remains valid for a long time; please participate actively) - HCBBS Forum
  77. Issues with air-open and air-close operation of control valves, as well as the forward and reverse action shown on the screen - HCBBS Forum
  78. Pipeline flow problem - HCBBS Forum
  79. 【Daily Topic】【Electrical Edition 20160303】 - HCBBS Forum
  80. Regarding the loading of liquid sulfur - HCBBS Forum
  81. Uranium Extraction Metallurgy by R.C. Merritt (USA) - HCBBS Forum
  82. How to determine the thickness of insulation for chemical process pipelines - HCBBS Forum
  83. Questions regarding the personal certificate for pressure pipeline approval - HCBBS Forum
  84. Bake a large pancake - HCBBS Forum
  85. Occupational Health Daily Question 3.5: Participate for a prize; 5 points for each correct answer, plus an additional 5 points - HCBBS Forum
  86. 【Joint Study*】【Electrical Version 20160224】 - HCBBS Forum
  87. 【Daily Question】2016.2.24 Participation +2 Wealth; +3 to 8 wealth for correct answers - HCBBS Forum
  88. API620 storage tanks for holding highly hazardous media - HCBBS Forum
  89. Changzhou, Jiangsu - HCBBS Forum
  90. Flue pipe connection? - HCBBS Forum
  91. New type of hydrophobic silica (white carbon black) - HCBBS Forum
  92. There are currently some people on HaiChuan who post malicious replies to boost their scores. - HCBBS Forum
  93. Naphtha reforming books - HCBBS Forum
  94. Product gasoline Cl content - HCBBS Forum
  95. Questions about the separation of rainwater and sewage - HCBBS Forum
  96. Operation management of wastewater treatment plant aeration tanks and solutions to common problems - HCBBS Forum
  97. What is the “blind zone” value for the SUB-VS ultrasonic level gauge? - HCBBS Forum
  98. 【Daily Question No. 94】March 02, 2016: +2 wealth for participation, +3 additional wealth for a correct answer - HCBBS Forum
  99. Management of imported equipment - HCBBS Forum
  100. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points; Question 452 - HCBBS Forum
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