English — Forum #723 (Page 413/642)

Prev 410 411 412 413 414 415 416 Next
  1. Do liquid ammonia pipelines need to be insulated? - HCBBS Forum
  2. What gauge should be used to measure vacuum under high temperature and high vacuum conditions? - HCBBS Forum
  3. What are the methods for hazard and risk analysis in tank farms? - HCBBS Forum
  4. 【Daily Question】Question from 20151217 - HCBBS Forum
  5. The Ministry of Environmental Protection approved the environmental impact assessment for the completion of the Shenhua coal-to-oil project (Phase I) - HCBBS Forum
  6. Greywater heater - HCBBS Forum
  7. 【Weekly Topic】On threaded connections in caustic soda media - HCBBS Forum
  8. 【Boiler Weekly Question from December 21 to December 28】Multiple-choice question - HCBBS Forum
  9. I would like to ask the experts here: does anyone have detailed instructions on how to set up methods and conduct tests using the Mettler T50M potentiometric titrator? I’d really like to learn from them! - HCBBS Forum
  10. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points; Question 402 - HCBBS Forum
  11. I haven’t set any goals for life; I don’t know where to go - HCBBS Forum
  12. Application and Current Development of Carrier Flocculation Technology - HCBBS Forum
  13. Turbine lubricating oil - HCBBS Forum
  14. The exhaust pressure of a refrigeration unit is high in summer; how can secondary condensation be used to reduce energy consumption? - HCBBS Forum
  15. Oil quantity for bearings in ordinary centrifugal pumps - HCBBS Forum
  16. What type of electrolyzer does Shandong Jinling Chemical Co., Ltd. use? - HCBBS Forum
  17. Does anyone have any picture materials of the conical collector in a packed tower? - HCBBS Forum
  18. Isn’t it good to simply use the purified coke oven gas as fuel? Why methanate? - HCBBS Forum
  19. Can a diesel hydrogenation unit not produce naphtha? - HCBBS Forum
  20. 【Daily Question】December 24, 2015: Participation = +2 Wealth; +3 to 8 wealth for correct answers - HCBBS Forum
  21. How to connect explosion-proof sensors to wire conduit pipes - HCBBS Forum
  22. Civil Engineering Structure Discussion Area ---- [Daily Question] Question from the 20151223 issue - HCBBS Forum
  23. On the path to success - HCBBS Forum
  24. I have a question regarding heat balance - HCBBS Forum
  25. Spanish oil company is recruiting a Reliability Engineer, a team leader for static equipment, a team leader for instrumentation engineers, etc - HCBBS Forum
  26. Which expert has learning materials for Kangjisen Tricon? I beg! ! ! - HCBBS Forum
  27. 【Daily Question】【Quality Version 20151222】 - HCBBS Forum
  28. 【Daily Question No. 80】December 21, 2015: +2 wealth for participation, +3 to +8 wealth for correct answers - HCBBS Forum
  29. What is the main purpose of air cooling at the outlet of the rich gas compressor? - HCBBS Forum
  30. 【Daily Question】Wastewater Knowledge - 12.25 (2 points for answering, 5 points for a correct answer) - HCBBS Forum
  31. German E+H series materials available for marine enthusiasts to download! - HCBBS Forum
  32. Looking for a job as a procurement manager or in equipment management - HCBBS Forum
  33. Software for automatic material statistics of pipe segment lists - HCBBS Forum
  34. How can cut-off socket weld flanges be reused? - HCBBS Forum
  35. What property methods do people use when simulating petroleum components? - HCBBS Forum
  36. Process - HCBBS Forum
  37. 【Daily Topic】【Storage & Transportation Edition 20151223】 - HCBBS Forum
  38. neopentyl glycol - HCBBS Forum
  39. 【Weekly Topic】The issue of nitrogen and arsenic content in coal - HCBBS Forum
  40. Let’s share some morning reading material - HCBBS Forum
  41. Who can raise a few questions regarding safety and environmental protection at chemical production sites? - HCBBS Forum
  42. From being unable to speak to speaking fluent English: How to improve spoken language quickly? - HCBBS Forum
  43. 【Basic Knowledge 26】What is stress corrosion cracking? (Prize quiz) - HCBBS Forum
  44. 【Daily Question】12.25 Term Explanation: Bubble Point - HCBBS Forum
  45. What are the common faults of high-pressure angle valves in the slag water system? - HCBBS Forum
  46. 【Daily Topic】【Storage & Transportation Edition 20151224】 - HCBBS Forum
  47. Beautiful and unforgettable English sentences - HCBBS Forum
  48. Changing from ammonia systems to fluorine systems – does anyone have the best solution? - HCBBS Forum
  49. If a person who has been electrocuted has no heartbeat but is breathing, how should they be rescued? - HCBBS Forum
  50. 【Daily Topic】【Storage & Transportation Edition 20151218】 - HCBBS Forum
  51. Seeking a manager for a model factory - HCBBS Forum
  52. ★Specialized Examination for Chemical Engineering ★ — One question per day (2015-12-23) — Points are awarded for participation - HCBBS Forum
  53. I have two chain burners here, and the flue gas from one of them is blue. Does anyone among you know what could be causing this? - HCBBS Forum
  54. Let’s discuss dry air cooling - HCBBS Forum
  55. I would like to ask how to correctly understand a “dew point conversion chart”? - HCBBS Forum
  56. Regarding the constant-temperature design of the equipment - HCBBS Forum
  57. 【Daily Question】12.17 Multiple-choice question: Reasons for the darkening color of the side-product from the initial distillation tower - HCBBS Forum
  58. Could you explain to me the difference in usage between dead zone and sensitivity in the ABB TZID-C type positioner? Please, expert! - HCBBS Forum
  59. 【Daily Topic】【Engineering Version 20151218】 - HCBBS Forum
  60. Mechanical seal spring compression allowance - HCBBS Forum
  61. 【Daily Question】Wastewater Knowledge - 12.30 (2 points for answering, 5 points for a correct answer) - HCBBS Forum
  62. 20151225 One question per day - HCBBS Forum
  63. Motor coupling clearance standards - HCBBS Forum
  64. Civil Engineering Structure Discussion Area ---- [Daily Question] Question from the 20151226 issue - HCBBS Forum
  65. Calculation of the thrust required for the valve in the selection calculation for control valves - HCBBS Forum
  66. ASME_B16.9-2001_(Chinese version).zip - HCBBS Forum
  67. 【Picture of the Day】12.21 What construction site is shown in this picture? - HCBBS Forum
  68. ★Specialized Examination for Chemical Engineering ★ — One question per day (2015-12-17) — Points are awarded for participation - HCBBS Forum
  69. Environmental Protection Daily Quiz 12.24: Participate for prizes; 3 answers correct and you’ll get another 3 prizes - HCBBS Forum
  70. Well-known brands of combustible gas detectors - HCBBS Forum
  71. Three-way ball valve pressure drop - HCBBS Forum
  72. Steam for heating heat transfer oil - HCBBS Forum
  73. Flow rate issues in cam-type twin-rotor pumps - HCBBS Forum
  74. Seek production technology for alkali production using ion exchange membrane process - HCBBS Forum
  75. 【Daily Topic】【Engineering Version 20151224】 - HCBBS Forum
  76. Design of slag disposal site for gasification - HCBBS Forum
  77. Environmental Protection Daily Quiz 12.22: Participate for prizes; 3 answers correct and you’ll get another 3 prizes - HCBBS Forum
  78. What are the differences between xiucai, juren, and jinshi? - HCBBS Forum
  79. What is the ambient temperature for the RF admittance level controller? - HCBBS Forum
  80. Instrument interlock - HCBBS Forum
  81. Current operating status of coal-based ethylene glycol - HCBBS Forum
  82. Sign-in record post dated December 27, 2015 - HCBBS Forum
  83. Direct factors affecting the carbon content in fine slag? - HCBBS Forum
  84. The alkylation oil market survives unscathed; can it reach new heights next year? - HCBBS Forum
  85. Sentence translation - HCBBS Forum
  86. 【Daily Question】12.22 Decarburization and carburization of steel (3 wealth points for a reply + additional 3–8 wealth points for a correct answer) - HCBBS Forum
  87. Experts, what is the difference between 16MnD grade 3 forgings and Q345D grade 3 forgings? - HCBBS Forum
  88. 【Basic Knowledge 20】What is crevice corrosion? (Premium quiz) - HCBBS Forum
  89. Could you please let me know the price of air coolers? Thank you, everyone! - HCBBS Forum
  90. Finally, the latest weekly topic: Large-scale Methanol - HCBBS Forum
  91. How to make COD permeate - HCBBS Forum
  92. 【Daily Question】12.16 Multiple-choice question **It is prohibited to use industrial alcohol to prepare beverages, as industrial alcohol contains small amounts of... - HCBBS Forum
  93. May I ask how to remove the color from pharmaceutical wastewater (traditional Chinese medicine wastewater)? - HCBBS Forum
  94. What are the requirements for water quality in industrial cooling water? - HCBBS Forum
  95. 【Daily Question】Reissued on 12.18 Multiple-choice question In a hydrorefining unit, the reactor is generally equipped with quench hydrogen facilities,... - HCBBS Forum
  96. Help: Dynamic equipment such as magnetic pumps - HCBBS Forum
  97. Can non-ferrous metal pressure vessels be designed through analytical methods? - HCBBS Forum
  98. 【Daily Question】Question from Issue 20151217 - HCBBS Forum
  99. Solutions for high chloride levels in flue gas used for acid production - HCBBS Forum
  100. Boiler problems - HCBBS Forum
Prev 410 411 412 413 414 415 416 Next