English — Forum #723 (Page 441/642)

1. Seek CAD drawings for shell and tube heat exchangers - HCBBS Forum
2. Ozone pipeline material - HCBBS Forum
3. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 367 - HCBBS Forum
4. Industry classification - HCBBS Forum
5. I have been registered on Haichuan for 7 years now - HCBBS Forum
6. 【Daily Question】November 20, 2015: Participation = +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
7. The culprit behind the explosion of air compressor oil particles! - HCBBS Forum
8. What should be considered when changing the range of a flow transmitter online? - HCBBS Forum
9. What are the main categories of cosolvents? - HCBBS Forum
10. Fujian Shenyuan New Material Technology - HCBBS Forum
11. Environmental Protection Daily Quiz 11.17: Participate for prizes; 3 correct answers and another 3 prizes will be given - HCBBS Forum
12. The importance of gasification safety interlocks - HCBBS Forum
13. Is methyl tert-butyl ether (TAME) a **chemical** - HCBBS Forum
14. One question per week: Discuss the vibration screen process, design, capacity, etc. of your own facility; a reward of 5 to 15 wealth points will be given - HCBBS Forum
15. Diaphragm pump diaphragm - HCBBS Forum
16. 【University Activities】053+University Exam Season+370228683 - HCBBS Forum
17. Models and filtration performance of Pall Porex filter elements - HCBBS Forum
18. What are the common insulation materials used for equipment? How to choose the thickness? - HCBBS Forum
19. Do you know anything about PVC steel wire flexible hoses? - HCBBS Forum
20. Rich liquid regeneration - HCBBS Forum
21. MODBUS RTU communication issues - HCBBS Forum
22. 【Daily Question】Question from Issue 20151118 - HCBBS Forum
23. Jaw crusher maintenance - HCBBS Forum
24. Questions about power supply for electric valves, electrical equipment, and instruments? - HCBBS Forum
25. Working on Saturday*,,，，，，， - HCBBS Forum
26. Curry is too brutal; what do people think of the Warriors’ comeback against the Clippers? - HCBBS Forum
27. 【Popular Science on Polymers and Materials】--31 Phthalate Plasticizers in Plastic Products + zdl1966 - HCBBS Forum
28. 【Daily Question No. 59】November 20, 2015: +2 wealth for participation, plus another +3 to +8 wealth for correct answers - HCBBS Forum
29. Adjacent shell sections of pressure vessels (do they include nozzles? ) Length of the outer arc between Class A joints. . . Not less than 100mm - HCBBS Forum
30. What material is best for high-temperature, wear-resistant thermocouples in boilers? Please give me some advice. Thank you - HCBBS Forum
31. Level transmitter migration issue? - HCBBS Forum
32. Is it necessary to set i for online backwashing of the filter? - HCBBS Forum
33. Uses of fiberglass reinforced plastic pipes - HCBBS Forum
34. Issues regarding oil monitoring of critical equipment groups - HCBBS Forum
35. 【Daily Question】November 18, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
36. Are there only three viable options left for private gas stations? - HCBBS Forum
37. What is the treatment method for a dilute salt acid at a concentration of about 10%? - HCBBS Forum
38. Work Plan for the 2016 Professional and Technical Personnel Qualification Examination - HCBBS Forum
39. Not sad about the loss - HCBBS Forum
40. Design of long-distance pipeline corridors and purging issues - HCBBS Forum
41. I want to buy some chlorobutadiene; does anyone know of a good supplier? - HCBBS Forum
42. Online trace moisture testing - HCBBS Forum
43. The CAD type is undefined, and then it gets stuck. How to fix it! - HCBBS Forum
44. 20151116 Daily Question - HCBBS Forum
45. Let’s do a math problem - HCBBS Forum
46. Issues related to the matching of pipes and corresponding valve flanges - HCBBS Forum
47. Liquid level relationship - HCBBS Forum
48. ABB Electrical selection guide or selection software - HCBBS Forum
49. The outlet flow rate of the screw pump becomes unstable after installing an inverter - HCBBS Forum
50. What is the effect of the C6 fraction separated from the reprocessed reformate on reforming pre-hydrogenation? - HCBBS Forum
51. 【New Energy Applications】Large-capacity energy storage technologies to accommodate the large volumes of wind and solar power in the future urgently need to be developed - HCBBS Forum
52. Issues with device calibration? ? - HCBBS Forum
53. 【Daily Question】11.23 True or False: The auto-ignition temperature of ferrous sulfide is 50℃ - HCBBS Forum
54. (Basic knowledge) What are the abnormal fluidization states of solid materials? - HCBBS Forum
55. What methods can effectively improve the oxygen utilization rate in copper smelting converters? - HCBBS Forum
56. Everyone, work on question 75-2: a multiple-choice question from the 2015 First-Class Constructor Examination in Project Management; there will be a reward for those who answer it correctly - HCBBS Forum
57. Automatic solid powder packaging machine - HCBBS Forum
58. What to do with activated carbon after naphthalene removal from coke oven gas? - HCBBS Forum
59. Urea granulator speed and overflow - HCBBS Forum
60. A dean to college students who are still asleep - HCBBS Forum
61. 【Daily Question】Question from the 20151124 issue - HCBBS Forum
62. What is the purpose of circulating cooling water treatment? - HCBBS Forum
63. Backflow decreases, tower pressure rises - HCBBS Forum
64. How to control temperature and humidity in a cubic meter of space - HCBBS Forum
65. 【Daily Question】11.23 True or False: Pumps use frequency conversion technology mainly to achieve more precise control. （ ） - HCBBS Forum
66. History repeats itself: profits from deep processing are gradually entering a \"cold winter\" phase - HCBBS Forum
67. What is the approximate price of SolidWorks 2016? - HCBBS Forum
68. “Which field in “cold and heat in the chemical industry” is seeing growth? - HCBBS Forum
69. The LNG industry is trapped in a situation of high costs and low profits - HCBBS Forum
70. The State Administration of Work Safety releases an analysis of lessons learned from typical accidents in confined spaces - HCBBS Forum
71. When is it necessary to indicate the minimum design metal temperature on the drawings? - HCBBS Forum
72. 【Daily Question】Question from Issue 20151116 - HCBBS Forum
73. A few small questions regarding the anchoring section of buried long-distance pipelines, thank you - HCBBS Forum
74. Job hopping: Companies that have employees who change jobs once a year either - HCBBS Forum
75. Seeking advice - HCBBS Forum
76. How to determine the explosion protection rating? Which major determines it? - HCBBS Forum
77. Briefly describe the vapor-liquid equilibrium in a distillation column? - HCBBS Forum
78. 【Daily Question】Question from Issue 20151120 - HCBBS Forum
79. Seeking help with the plan and elevation layouts for conversion and absorption in a sulfuric acid plant - HCBBS Forum
80. 【Daily Question】Question from Issue 20151116 - HCBBS Forum
81. I would like to ask the experts: are mixed tetrahydrocarbons and methanol compatible with each other? - HCBBS Forum
82. Everyone, take question 69-2: a multiple-choice question from the 2015 First-Class Constructor Examination in Project Management, question 55; there will be a reward for those who answer it correctly - HCBBS Forum
83. Warm congratulations - HCBBS Forum
84. Valve selection - HCBBS Forum
85. The gas storage tank is equipped with a safety valve outlet; however, the technical specifications state that the safety relief device should be installed within the piping system - HCBBS Forum
86. How is fusel oil extracted during the alcohol distillation process? ? - HCBBS Forum
87. Technical discussion on track installation matters - HCBBS Forum
88. Zeroing of double-flange capillary differential pressure gauge - HCBBS Forum
89. Interpretation of the Work Safety Law of the People’s Republic of China (99) - HCBBS Forum
90. Sign-in record post from November 19, 2015 - HCBBS Forum
91. Hazards of occupational diseases that are easily encountered and preventive measures - HCBBS Forum
92. Top 10 prominent issues in safety management: Does your organization face any of them? - HCBBS Forum
93. Questions regarding the timing of security protocols - HCBBS Forum
94. What is the normal annual production capacity of ammonia synthesis catalysts? - HCBBS Forum
95. 【Daily Question】Question from the 20151124 issue - HCBBS Forum
96. 【Daily Question】Question from Issue 20151123 - HCBBS Forum
97. Recycling of residual mist from oil mist lubrication in mechanical pumps - HCBBS Forum
98. Gasoline octane number prediction - HCBBS Forum
99. Issues with ASTM519 GR 4130 material information in CAESARII - HCBBS Forum
100. How is the volume of a refinery gas holder determined? - HCBBS Forum