English — Forum #723 (Page 578/642)

1. Chlor-alkali downstream products project - HCBBS Forum
2. A case study on the repair of a Chenggao cylinder-type pneumatic ball valve - HCBBS Forum
3. When you click on the model diagram with the mouse, a note appears – how can I cancel this? - HCBBS Forum
4. Vortex flow meter - HCBBS Forum
5. How to calculate the thickness of the gusset plates and the length of the screw rods in a plate heat exchanger? - HCBBS Forum
6. Why is a reducer needed before the quick connector on the nitrogen pipe at the utility station? - HCBBS Forum
7. Anode materials for industrial alkaline water electrolysis to produce hydrogen - HCBBS Forum
8. Who has heard of the gauge cluster diagram? Or it’s a transliteration in English. - HCBBS Forum
9. 【Basic Knowledge of Terminology Explanations for “Polymers and Materials”-001】: Terminology Explanations Related to Rubber - HCBBS Forum
10. Weekly topic: 8 wealth points for those who answer correctly, 2 wealth points for participation； Question 127 - HCBBS Forum
11. Did the Knicks benefit or suffer from trading Anthony for Love? - HCBBS Forum
12. Migration problem of venturi differential pressure flow meters - HCBBS Forum
13. What is a sulfur-resistant gate valve, and what are the differences between it and a regular gate valve? - HCBBS Forum
14. Test methods for laboratory water - HCBBS Forum
15. Issues related to the registration and consultation reforms - HCBBS Forum
16. 【Daily Question】Basic knowledge of coking: +6 wealth for correct answers, +2 wealth for participation. Question 6 from 201507 - HCBBS Forum
17. Is the differential pressure before and after the control valve the operating environment or the result of its operation? - HCBBS Forum
18. Who has Bechtel’s phone number? - HCBBS Forum
19. Crane identification - HCBBS Forum
20. Differences between stainless steel reactors and glass-lined reactors - HCBBS Forum
21. Vertical high-speed pump repair manufacturers - HCBBS Forum
22. Evaporation tank vacuum level issue - HCBBS Forum
23. For multi-stage centrifugal pumps, how exactly should they be adjusted in order to achieve energy savings and reduced consumption? - HCBBS Forum
24. Tower-type equipment is generally made of titanium; what are its corrosion-resistant properties? - HCBBS Forum
25. Can welded steel pipes made of Q235A material be used for low-pressure superheated steam pipelines? - HCBBS Forum
26. What is a blast vent? - HCBBS Forum
27. Interesting chemical engineering exam question – 1: A question that not even the CEO of a distillation company has been able to answer correctly – Standard answer available - HCBBS Forum
28. Why do some people get fairer the more they are exposed to sunlight - HCBBS Forum
29. Defense regarding the administrative penalty imposed by the Environmental Protection Agency - HCBBS Forum
30. Problems with the **Management Regulations - HCBBS Forum
31. 【Daily Question】Question from Issue 20150806 - HCBBS Forum
32. 【Daily Question】Question from Issue 20150729 - HCBBS Forum
33. What is an appropriate circulation rate for low-temperature methanol washing? - HCBBS Forum
34. Some suggestions for selecting small flow meters - HCBBS Forum
35. Calculation of methanol vapor concentration - HCBBS Forum
36. Material selection for mixed acid pumps in digestion reactions - HCBBS Forum
37. Aluminum alloy - HCBBS Forum
38. Edge cracks when welding flanges for DN500 304 pipes? - HCBBS Forum
39. Calculation of heat dissipation in copper pipes - HCBBS Forum
40. 2015 Beijing Water Expo: Exhibition on Pumping, Pipe, Valve and Instrumentation for Urban Water Services - HCBBS Forum
41. 【Daily Question】Chemical Engineering Principles 128: Distillation (August 2) - HCBBS Forum
42. Why can’t I choose the desktop version when logging into Haichuan via my mobile phone? - HCBBS Forum
43. Does storing a liquid nitrogen tank at full level for a long time have an impact on the tank body? - HCBBS Forum
44. Who can recommend some good manufacturers of vibrating screens? - HCBBS Forum
45. How is the molecular weight of highly polymerized molecules calculated? - HCBBS Forum
46. 【Haichuan Safety and Environment Cup】--0007+Cooling tower overflow accident+Gongyu - HCBBS Forum
47. What types of valves are used in the pipelines from the specialty gas workshops and bulk gas stations to the process equipment? - HCBBS Forum
48. Seek Fenton water treatment technology - HCBBS Forum
49. Regarding the issue of the size ratio of the gauge legend circles in PID - HCBBS Forum
50. 【Daily Question】August 05, 2015 - HCBBS Forum
51. Selection of oil for diaphragm nitrogen compressors - HCBBS Forum
52. Heat exchanger leakage - HCBBS Forum
53. What inspection reports are required for instrument pipe valves? - HCBBS Forum
54. Intermediate-phase asphalt, high softening-point asphalt, low-ash asphalt - HCBBS Forum
55. Distillation tower pressure issues - HCBBS Forum
56. Do your units equipped with acid gas for sulfur production have flame arresters? - HCBBS Forum
57. Are reciprocating compressors still tested for leaks using kerosene? - HCBBS Forum
58. More discussions on coal chemical industry - HCBBS Forum
59. A great platform not to be missed in the chemical industry! ICIF 2015, the 14th China International Chemical Industry Exhibition (Shanghai) - HCBBS Forum
60. Weekly topic: 8 wealth points for those who answer correctly, 2 wealth points for participation； Question 130 - HCBBS Forum
61. Why is the environmental assessment so biased toward the south? - HCBBS Forum
62. Regarding the slag accumulation issue in the quenching ring - HCBBS Forum
63. Air distribution control for exhaust gas incinerators - HCBBS Forum
64. Translation for chemical engineering field - HCBBS Forum
65. Analysis of faults in Rosemount 2700 mass flowmeters - HCBBS Forum
66. Suggestions on improving management separators - HCBBS Forum
67. Low-temperature methanol washing - HCBBS Forum
68. Crude oil, gasoline and diesel blending - HCBBS Forum
69. How to deal with vacuum gauges in high-temperature conditions - HCBBS Forum
70. What is the purpose of the Depressure module in PROII? - HCBBS Forum
71. Selection of refrigeration units for 600,000 tons of coking capacity - HCBBS Forum
72. Treatment of high COD wastewater with high salt content - HCBBS Forum
73. 【Registration Section】Announcement on Recognizing Outstanding Members from July 2015 - HCBBS Forum
74. Questions and materials for the skill assessment of senior boiler operation technicians – does any member have such materials? - HCBBS Forum
75. I have questions regarding the layout of air compressor stations; I hope everyone can help answer them - HCBBS Forum
76. If you’re 50 years old and suddenly receive notice from the factory that you’ve been assigned to work in another workshop, what would you do? - HCBBS Forum
77. Pulverized granulation pilot production plan - HCBBS Forum
78. How to upgrade the Siemens S7-200 PLC system? - HCBBS Forum
79. Flash steam recovery unit ←BJYC→ Vapor-liquid two-phase flow trap - HCBBS Forum
80. What You Must Know About the Installation Method of Sewage Systems - HCBBS Forum
81. Regarding the market conditions in the chemical industry tomorrow - HCBBS Forum
82. Is it necessary to use explosion-proof air conditioning in the control room? - HCBBS Forum
83. Backfilling of buried pipes - HCBBS Forum
84. 【Daily Question】Ways poisons enter the human body: Participants get +2 wealth points, those who answer correctly get +6 wealth points. July 22nd - HCBBS Forum
85. 【Bizarre Designs in Chemical Engineering Processes - 037】: “When the big tree sprouts buds, I’ll divide them, I’ll divide them again”” - HCBBS Forum
86. Pump foundation height - HCBBS Forum
87. Problems with connecting different water pumps in parallel - HCBBS Forum
88. What are the disadvantages of using 45 steel for shaft components? - HCBBS Forum
89. How to reduce leaks during loading and unloading of goods in tank areas - HCBBS Forum
90. Regarding the design of the burner - HCBBS Forum
91. How to reduce deformation during the welding of tube sheets and heat exchange tubes - HCBBS Forum
92. Common faults and precautions for stainless steel reaction kettles - HCBBS Forum
93. What measures do we take when the reforming catalyst is poisoned by water? - HCBBS Forum
94. Emerson Headhunting Company – Urgent Recruitment: Environmental Assessment Engineer - HCBBS Forum
95. Have you ever worked on sewage pipes installed in an overhead manner? Please inquire about the quality of the textbooks and the pump station issues. - HCBBS Forum
96. How to use hydrogen gas-tight fastening tools? - HCBBS Forum
97. The significance of underreporting the taphole pressure difference - HCBBS Forum
98. The material grade for the valve sealing surface is denoted by the uppercase letter “Y” – what is its composition? - HCBBS Forum
99. Properties and applications of 15CrNi6 material - HCBBS Forum
100. 【Daily Question】Chemical Engineering Principles 121: Distillation (July 26) - HCBBS Forum