English — Forum #723 (Page 391/642)

1. 【Daily Topic】【Civil Engineering Version 20160104】 - HCBBS Forum
2. Seeking advice on the bulk density of PVC and calcium carbonate powder - HCBBS Forum
3. What are the prospects for chemical engineering installation? - HCBBS Forum
4. Which type of valve is suitable for low-point venting of natural gas? - HCBBS Forum
5. Issues with heat tracing for instruments and condensate recovery - HCBBS Forum
6. 【Daily Question】January 10, 2016: Boiler Basics True/False Questions (Top 50 responders receive +3 wealth points; those who get it right earn an additional +3 to +8 wealth points) - HCBBS Forum
7. 【Picture of the Day】2016 1.11 What is the device in this picture? - HCBBS Forum
8. 【Daily Topic】【Storage & Transportation Edition 20160108】 - HCBBS Forum
9. Temperature rise in the hydrogenation reactor - HCBBS Forum
10. I first saw this design ten years ago - HCBBS Forum
11. Handling of solvent deasphalting accidents - HCBBS Forum
12. Effect of using floating ball valves in the black water pipeline of the gasifier - HCBBS Forum
13. What grade is the hydraulic oil for metering pumps? - HCBBS Forum
14. Mechanical seal - HCBBS Forum
15. Haichuan’s “Season of Gratitude” – A thank you to all my companions on this journey【Mechanical002】 - HCBBS Forum
16. If a factory worker gets injured while not wearing protective shoes at work, it’s still the factory owner who suffers - HCBBS Forum
17. Why should X-ray inspection be given priority for the butt joints of pressure vessels made of non-ferrous metals? - HCBBS Forum
18. Qianda provides a brief introduction to the properties and applications of steel-lined PO pipes and steel-reinforced plastic composite pipes. - HCBBS Forum
19. Conjisen’s SIS system - HCBBS Forum
20. 【Weekly Topic】I have something to say on this section - HCBBS Forum
21. Who will give me some wealth? - HCBBS Forum
22. Is there a negative pressure inside the pump casing when a centrifugal pump is started and in operation? - HCBBS Forum
23. Problems with the wastewater treatment system; seeking expert assistance - HCBBS Forum
24. Can the forum post design tasks? - HCBBS Forum
25. Reasons for the decrease in temperature of the hydrodesulfurization bed - HCBBS Forum
26. Regarding the evaluation of control engineers - HCBBS Forum
27. Xisa Chemical is recruiting for positions related to equipment maintenance – Shanghai - HCBBS Forum
28. Recently, the daily question in this section has featured many questions involving images and concepts that are not related to dry gas recovery or wastewater stripping - HCBBS Forum
29. Why should the pre-vulcanization temperature not exceed 205℃ - HCBBS Forum
30. Does the US standard have design codes similar to those for oil depots in our country? - HCBBS Forum
31. Is FTO synthesis wax the main product or a by-product of synthetic oils? - HCBBS Forum
32. Motor cooler - HCBBS Forum
33. Haichuan Thanksgiving Season – A Memory of My Mentor 【Petroleum Area 013】 - HCBBS Forum
34. 【Weekly Topic】【HVAC Version 20160111】 - HCBBS Forum
35. Seeking help with water treatment power supply - HCBBS Forum
36. Registered Professional Engineer for Public Equipment (Power) - HCBBS Forum
37. 【Daily Question】 December 30th: Which is better, a long-tube respirator or a gas-filtering mask? ? ? ? - HCBBS Forum
38. Can liquid at the compressor inlet cause cylinder scoring? Are air valves prone to breaking? - HCBBS Forum
39. How is the character for \"heavy\" pronounced in potassium dichromate? - HCBBS Forum
40. Installation height and level control of kettle reboilers - HCBBS Forum
41. Who has the relevant naphtha quality control measure documents - HCBBS Forum
42. Regarding the revision of the definition of pressure vessels in the \"Catalogue of Special Equipment 2015\" - HCBBS Forum
43. Marrying a man or a king – is it really just about having food and clothing? - HCBBS Forum
44. Raised octagonal blind flanges PN1.6 and PN2.5 - HCBBS Forum
45. What type of flow meter is used to measure the flow rate of natural gas flue gas? - HCBBS Forum
46. What are people’s opinions on the profession of property manager? - HCBBS Forum
47. Vibration problems at special frequencies of pumps - HCBBS Forum
48. What are the substances with an extremely high specific surface area? - HCBBS Forum
49. Regarding the meaning of reboiler models - HCBBS Forum
50. I want to purchase some straight-seam welded pipes with dimensions of 1270*25, made of material Q235. How should the inspection and acceptance criteria be formulated? - HCBBS Forum
51. Haichuan Gratitude Season--Your Presence Along My Path of Growth【Industry Area 001】 - HCBBS Forum
52. Excessive levels of calcium and magnesium in the secondary brine can affect which aspects of the electrolyzer - HCBBS Forum
53. I’m more tired after the holiday - HCBBS Forum
54. Analysis of the sulfur market trend in December - HCBBS Forum
55. 【Daily Topic】【Live Version 20160111】 - HCBBS Forum
56. Cleaning of the inner wall of the polypropylene polymerization reactor - HCBBS Forum
57. 【Daily Question】December 29, 2015 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
58. Homo-molar flow assumption - HCBBS Forum
59. Questions regarding the pressure testing of butterfly valves - HCBBS Forum
60. What to do if ammonia levels won’t drop? - HCBBS Forum
61. Condensate pH of the turbine - HCBBS Forum
62. Does anyone know about Shenzhen Tianyang Engineering Design Company (formerly Shenzhen Chemical Engineering Design Institute)? Please share some information. - HCBBS Forum
63. Is wind energy truly pollution-free? - HCBBS Forum
64. Can raising the walls of an oil depot reduce the distance between the facilities inside the depot and those outside? - HCBBS Forum
65. Air compressor - HCBBS Forum
66. Please! Information related to the catalytic hydrogenation of char! ! - HCBBS Forum
67. Registered Safety Engineer - HCBBS Forum
68. Updates for common small software used in pressure vessels - HCBBS Forum
69. Prerequisites for modifying the mechanical seal of liquid hydrocarbon pumps to a tandem mechanical seal - HCBBS Forum
70. 【Daily Topic】【Civil Engineering Version 20160111】 - HCBBS Forum
71. Consultation on the Supervision Engineer Examination - HCBBS Forum
72. How to repair an inaccurate magnetic flap level gauge - HCBBS Forum
73. Are qualifications required to clean heat exchangers, use reverse osmosis, or EDI? - HCBBS Forum
74. Seeking help regarding instrument signal interference - HCBBS Forum
75. Removal of high chloride ions from wastewater - HCBBS Forum
76. How to select a orifice plate flow meter? - HCBBS Forum
77. Liquid sulfur dioxide flow rate - HCBBS Forum
78. Problems with the use of control valves - HCBBS Forum
79. Problems with wedge flow meters - HCBBS Forum
80. Measurement instrument issues - HCBBS Forum
81. Crystalline salt issue - HCBBS Forum
82. Distillation column feed conditions - HCBBS Forum
83. Is a 500 m3 anaerobic tank (which produces biogas) considered a Class A storage tank? What is the fire separation distance from other structures? - HCBBS Forum
84. What are the criteria for selecting a hydrocyclone? - HCBBS Forum
85. Ear-type devices are used in evaporators for sugar production; what are the consequences of not providing ventilation holes at the gasket areas? - HCBBS Forum
86. Who has the selection guide for Honeywell differential pressure transmitters? - HCBBS Forum
87. Are there any friends in the ve acetate industry? - HCBBS Forum
88. Coking, distillation tower - HCBBS Forum
89. What types of metal pipes require chemical cleaning? - HCBBS Forum
90. Regarding the issue of water meters being installed outside the buildings - HCBBS Forum
91. Molecular sieve regeneration issue - HCBBS Forum
92. Is it still necessary for consulting engineers to take this exam? - HCBBS Forum
93. 【Daily Question No. 90】January 5, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
94. Tianjin University’s textbook for the Chemistry major examination: Answers to simulation **questions along with solution steps - HCBBS Forum
95. The current in the transmitter circuit is high - HCBBS Forum
96. I would like to ask what textbooks are available for PROII? - HCBBS Forum
97. Principles of refrigeration systems - HCBBS Forum
98. 【Petroleum Industry Event Promotion Post】 Reward-based contest (+50 wealth for participation) - HCBBS Forum
99. Sinopec Lianyungang Alkali Plant transferred to local authorities - HCBBS Forum
100. Valve body material: WCC - HCBBS Forum