English — Forum #337 (Page 143/163)

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  1. What factors are considered to determine the material residence time of a container in process design? - HCBBS Forum
  2. What are the fire hazard categories for volatile phenols? ? - HCBBS Forum
  3. What solvents are generally used for gas phase detection? - HCBBS Forum
  4. Seawater desalination technology - HCBBS Forum
  5. 【Standard Communication Version--One Question per Day】20170815 - HCBBS Forum
  6. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170813 - HCBBS Forum
  7. How to adjust the pH value? - HCBBS Forum
  8. Looking for filtration equipment - HCBBS Forum
  9. E-book~Figure 100 - HCBBS Forum
  10. Seeking guidelines for the installation of metal flexible hoses for seismic resistance and settlement prevention at storage tank nozzles - HCBBS Forum
  11. What to do if the methyl sec-butyl ether content in MTBE products is high? - HCBBS Forum
  12. Which fire protection code applies to polyphenylene sulfide devices? - HCBBS Forum
  13. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 17) - HCBBS Forum
  14. What is the fire hazard category for chlorine gas? ? ? - HCBBS Forum
  15. What are the typical benefits in pharmaceutical companies? - HCBBS Forum
  16. Father’s Day: Revisiting Zhu Ziqing’s “The Back of My Father” - HCBBS Forum
  17. Vinyltrimethoxysilane - HCBBS Forum
  18. Can sodium hydroxylate kill bacteria? - HCBBS Forum
  19. Why can’t the liquid be pumped up when there is gas in the pipe? - HCBBS Forum
  20. Wood tar distillation process - HCBBS Forum
  21. [Mechanical Equipment Technology Edition] Daily Question 201708018: Pressure-enthalpy diagram in refrigeration principles - HCBBS Forum
  22. Does an electromagnetic flowmeter need to be larger in diameter than the pipe? ? ? - HCBBS Forum
  23. 【Standard Communication Version--One Question per Day】20170822 - HCBBS Forum
  24. How much does liquid nitrogen cost per Nm3? ! - HCBBS Forum
  25. Process Section – Daily Hydrogenation Process Knowledge Question No. 020 - HCBBS Forum
  26. 7.14-Daily Question (Pharmaceutical Engineering Technology Edition) - HCBBS Forum
  27. Difference between double-headed bolts and fully threaded bolts - HCBBS Forum
  28. Can an explosion occur when the breather valve on a oil tank draws in air? - HCBBS Forum
  29. 7.22--Daily questions on pharmaceutical engineering - HCBBS Forum
  30. Issues regarding hydrocarbon dehydration - HCBBS Forum
  31. 7.24--Question 001 on Pharmaceutical Engineering Knowledge - HCBBS Forum
  32. The function and impact of value traceability in chemical analysis measurements - HCBBS Forum
  33. 【Standard Communication Version--One Question per Day】20170819 - HCBBS Forum
  34. 4A molecular sieves are used to remove water from xylene; in industry, is gas-phase dehydration or liquid-phase dehydration the better option? - HCBBS Forum
  35. Is there any design for the trickle-bed reactor? - HCBBS Forum
  36. The issue with steam temperature - HCBBS Forum
  37. [Mobile Equipment Technology Edition] Daily Question 20170907 Refrigeration Design - HCBBS Forum
  38. 【Piping Valve Technology Edition – Daily Question: Common Piping Errors – Installation of Flame Arresters on Fuel Gas Pipes】20170816 - HCBBS Forum
  39. A blast-proof area has been designated near the source of danger; does that mean there is no need for blast protection outside that area? - HCBBS Forum
  40. Distribution of Haichuan coins as rewards in the Process Area in July - HCBBS Forum
  41. Antistatic treatment for non-conductive pipes - HCBBS Forum
  42. A device for filling concentrated nitric acid - HCBBS Forum
  43. The significance of the foam fire extinguishing system for storage tanks of Class A after nitrogen sealing - HCBBS Forum
  44. Find a flow meter - HCBBS Forum
  45. E-book material ~ Lecture on Natural Gas Chemical Processing Technology (Chapter 6) - HCBBS Forum
  46. Start up the gas separation unit to introduce air - HCBBS Forum
  47. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170817 - HCBBS Forum
  48. Reactor temperature control - HCBBS Forum
  49. Is an eyewash station required at the loading/unloading platform in the tank farm? - HCBBS Forum
  50. What is the molecular weight of saturated steam at 1.0 MPa? - HCBBS Forum
  51. How to earn more from downloads - HCBBS Forum
  52. There is a room on top of the factory building that contains electrolyzers which produce hydrogen. What if that room is left open to the air without a roof... - HCBBS Forum
  53. PID - HCBBS Forum
  54. 7.25-Daily Topic (Pharmaceutical Engineering Technology Edition) - HCBBS Forum
  55. Can a heat storage material store cold energy?! - HCBBS Forum
  56. 【Process Area Activity – Bizarre Designs – 10】-- Insulation design issues - HCBBS Forum
  57. The faster the flow velocity, the closer to the fan? ! - HCBBS Forum
  58. How should square tubes be labeled in a process piping diagram? - HCBBS Forum
  59. Methods for determining the plate height in projects involving absorbent fillers and similar materials - HCBBS Forum
  60. What are the common faults of valves? - HCBBS Forum
  61. What are the benefits at Xinhua Pharmaceutical? - HCBBS Forum
  62. The flow velocities at different sections of the pipe diameter vary; which one should be used as the reference? ! - HCBBS Forum
  63. How is WuXi AppTec? - HCBBS Forum
  64. In building codes, is the distance required between Class A factories and secondary roads within the factory area 5 meters? Should the inner edge of the turn be considered? - HCBBS Forum
  65. What is the meaning behind this 300*300 iron plate, master? - HCBBS Forum
  66. Does the condenser need to be designed for subcooled condensation? - HCBBS Forum
  67. Appreciation of Calligraphy and Painting 009 - HCBBS Forum
  68. Fundamentals of Manufacturing Processes (True/False Questions) 20170804 - HCBBS Forum
  69. Latest version of API682 - HCBBS Forum
  70. Regarding the selection of fault closed (FC) or fault open (FO) for control valves - HCBBS Forum
  71. 8.21-Answer questions daily to win rewards and gain knowledge (Pharmaceutical Engineering Technology Edition) - HCBBS Forum
  72. Process Design for the Annual Production of 60,000 Tons of Butyl Acetate, Ethyl Acetate, and Propyl Acetate - HCBBS Forum
  73. Questions about national standards - HCBBS Forum
  74. What are the commonly used non-volatile organic solvents? - HCBBS Forum
  75. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170721 - HCBBS Forum
  76. [Daily Question] Sports Section-Basketball (170625) - HCBBS Forum
  77. How to become a qualified pharmaceutical researcher? - HCBBS Forum
  78. Fundamentals of Manufacturing Processes 20170716 - HCBBS Forum
  79. Isopentenol ignition temperature - HCBBS Forum
  80. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 16) - HCBBS Forum
  81. Are pneumatic valves generally equipped with a single cylinder or a dual cylinder? What is the difference? ? ? Do they all need solenoid valves and positioners? - HCBBS Forum
  82. The mechanical ventilation in the highly toxic gas workshop cannot be discharged directly outdoors. - HCBBS Forum
  83. According to the building codes and petrochemical regulations, what is included in the definition of a facility – plant buildings, equipment, and roads? ? - HCBBS Forum
  84. 8.17-Answer questions daily to win rewards and gain knowledge (Pharmaceutical Engineering Technology Edition) - HCBBS Forum
  85. [Mechanical Equipment Technology Edition] Daily Question 201708029 – Refrigeration Design - HCBBS Forum
  86. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170812 - HCBBS Forum
  87. Fundamentals of Manufacturing Processes 20170725 - HCBBS Forum
  88. 7.15-Daily Topic (Pharmaceutical Engineering Version) - HCBBS Forum
  89. Process Section – Daily Hydrogenation Process Knowledge Question No. 024 - HCBBS Forum
  90. What is the fire hazard classification for the building where the oil separator is located? ? How to determine it? ? - HCBBS Forum
  91. What are the mandatory requirements for National 6 gasoline and National 6 diesel? - HCBBS Forum
  92. Discussion on issues related to the non-explosion-proof areas around the furnace - HCBBS Forum
  93. Is the information available online about \"staged control\" already outdated? - HCBBS Forum
  94. 【Piping Valve Technical Edition – Daily Question on Common Piping Errors】20170807 - HCBBS Forum
  95. Pipeline design software V2.0 official version, first released by Haichuan - HCBBS Forum
  96. Intermittent reactor, hydrogen emission. - HCBBS Forum
  97. Process Section – Daily Hydrogenation Process Knowledge Question No. 012 - HCBBS Forum
  98. 【Home.Life.Life Section】We’re seeking the most beautiful home in your mind - HCBBS Forum
  99. On the heat transfer oil side, what value is appropriate for the fouling thermal resistance? ! - HCBBS Forum
  100. Regarding hot blast stoves - HCBBS Forum
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