English — Forum #723 (Page 258/642)

1. Regarding the piping at the pump inlet and outlet - HCBBS Forum
2. For the hydrogen desulfurization stripping tower, what are the reasons for choosing hydrogen stripping and steam stripping? - HCBBS Forum
3. Paint is used for the outer surface of the container jacket - HCBBS Forum
4. 【Daily Question No. 178】May 18, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
5. Basic Knowledge – Basic Knowledge of Inorganic Chemistry 01 - HCBBS Forum
6. Belt model determination - HCBBS Forum
7. Adjustment of the cooler - HCBBS Forum
8. Layout of storage tank area in LNG plant - HCBBS Forum
9. Boiler thermal efficiency - HCBBS Forum
10. What material should be used for sulfuric acid and *ao acid? - HCBBS Forum
11. How to heat high-pressure pipes? - HCBBS Forum
12. Environmental Protection Tip of the Day 5.23: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
13. Methods for drawing as-built drawings of long-distance pipelines - HCBBS Forum
14. Shell and tube heat exchanger - HCBBS Forum
15. Regarding the minimum flow line of the pump - HCBBS Forum
16. Why choose a steam turbine? - HCBBS Forum
17. Sign-in record post from May 26, 2016 - HCBBS Forum
18. Is it feasible to design a high-temperature furnace next to the distribution room, with the wall being a hollow brick wall? - HCBBS Forum
19. In the workshop, which elements need to be considered in order to establish labor quota standards for each position? - HCBBS Forum
20. Clamped check valve - HCBBS Forum
21. Nanjing Guochang Chemical Technology held a meeting to review the low-pressure ammonia synthesis process package for Hualu Hengsheng and to initiate the engineering design work - HCBBS Forum
22. 【Weekly Topic】【Production Version 201605027】 - HCBBS Forum
23. I would like to ask what kind of paint should be used for the container jacket - HCBBS Forum
24. Can carbon steel pipes that have been in use for 20 years be repaired? - HCBBS Forum
25. In which specific stage of hydrogen production or hydrogenation are online hydrogen analyzers used? - HCBBS Forum
26. Corrosion of carbon steel by wastewater with high chloride ion concentrations in a strong alkaline environment - HCBBS Forum
27. The role of hydraulic wrenches in plate heat exchanger installation and precautions - HCBBS Forum
28. Operation mode of the backup pump in the air separation backup system - HCBBS Forum
29. 【Weekly Topic】【 HVAC Version 201605020】 - HCBBS Forum
30. Screw compressor suction volume and discharge volume - HCBBS Forum
31. Can a pneumatic amplifier be installed downward? (i.e., the signal port faces downward) - HCBBS Forum
32. Thiophene Recovery Thesis Title - HCBBS Forum
33. 【Weekly Topic】【HVAC Version 201605025】 - HCBBS Forum
34. The effect of CO2 on methanol synthesis - HCBBS Forum
35. Let’s all talk about something to discuss - HCBBS Forum
36. 【Weekly Topic】【 Quality Version 20160518】 - HCBBS Forum
37. How to understand it: As the load is adjusted, the optimal backflow is matched. (Reply + Wealth) - HCBBS Forum
38. Atmospheric pressure storage tank roof - HCBBS Forum
39. Which physical property method to choose for supercritical extraction of butane and oils - HCBBS Forum
40. Beilun training camp for the men’s basketball team opens to the public for the first time; Zhou Qi returns - HCBBS Forum
41. Can high-pressure threaded flanges be used for GC1 pipes? - HCBBS Forum
42. The water in the eye washer is too dirty - HCBBS Forum
43. Destination of the dry gas from the reforming stabilizer - HCBBS Forum
44. Should the set screws of the motor feet be loosened during the operation of the pump? Why? - HCBBS Forum
45. Safety Technology Exchange Edition: Daily Question (2016.5.28) - HCBBS Forum
46. Methods for changing image objects in PKS - HCBBS Forum
47. 【Daily Topic】【Electrical Edition 20160521】 - HCBBS Forum
48. Occupational Health Daily Question 5.22: Participate for a prize; 3 answers correct and you’ll get another prize - HCBBS Forum
49. Classification of chemical pumps - HCBBS Forum
50. How are the guide bearings of vertical long-shaft pumps lubricated? - HCBBS Forum
51. Prepare for the professional exam for registered environmental engineers together - HCBBS Forum
52. Some questions about learning PLC* - HCBBS Forum
53. Crude oil flexible hose sampler - HCBBS Forum
54. Hydrogen sulfide desorption - HCBBS Forum
55. Lack of support: The domestic PVC market is experiencing a gradual decline - HCBBS Forum
56. Get up early - HCBBS Forum
57. I need a process flow diagram. . . I’m at a loss; I don’t know where to find a template - HCBBS Forum
58. How to measure the temperature of the inner wall of a tube using a thermocouple - HCBBS Forum
59. The Ingersoll Rand air compressor will not start, indicating a problem with the motor rotation direction (O_O)? - HCBBS Forum
60. The chemical industrial park is facing a reshuffle - HCBBS Forum
61. When you gaze into the void, the void is also gazing at you - HCBBS Forum
62. What are the devices that automatically add solid raw materials to the silo? - HCBBS Forum
63. How do you think we can ensure the effective implementation of the shift leader responsibility system? (Reply +5 wealth) - HCBBS Forum
64. What is the relationship between the negative pressure value and the furnace temperature? - HCBBS Forum
65. Safety Technology Exchange Edition: Daily Question (2016.5.21) - HCBBS Forum
66. 【Daily Question】Chemical Engineering Principles 378: Desalination System (May 17) - HCBBS Forum
67. Outer diameter 25MM, wall thickness 4MM, 304 seamless steel pipe, pressure resistance standards - HCBBS Forum
68. Occupational Health Daily Question 5.23: Participate for a prize; 3 answers correct and you’ll get another prize - HCBBS Forum
69. Replace the nitrogen compressor with a hydrogen compressor - HCBBS Forum
70. Detailed explanation of 16 desulfurization process technologies and their practical applications - HCBBS Forum
71. The electric valve does not operate - HCBBS Forum
72. Which chemical companies or chemical production facilities require large amounts of circulating water? - HCBBS Forum
73. 【Daily Topic】【Engineering Version 20160524】 - HCBBS Forum
74. What is the difference between the valve’s seat pressure class and seal pressure class? - HCBBS Forum
75. ASME-certified domestic gas storage tank manufacturers in China - HCBBS Forum
76. How to calculate the flow stock viscosity in version 8.4? - HCBBS Forum
77. 【Daily Judgment NO.20】May 28, 2016 - HCBBS Forum
78. 【Daily Question No. 179】May 19, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
79. Furnace design - HCBBS Forum
80. One question per day on occupational health – May 20: Participate for a prize; 3 correct answers and you’ll get another prize - HCBBS Forum
81. If the gasoline-copper sheet corrosion test fails, will the candidate still not pass? Thank you - HCBBS Forum
82. Let’s debate: Is a lifetime responsibility system good? ? ? - HCBBS Forum
83. Calculation of gas velocity - HCBBS Forum
84. Environmental protection issues of natural gas rotary kilns - HCBBS Forum
85. Review status after the exam - HCBBS Forum
86. High-pressure flash tank - HCBBS Forum
87. Regarding the issue of pressure vessel design approval certificates - HCBBS Forum
88. Pneumatic valve diaphragm - HCBBS Forum
89. Gasoline hydrogenation reactor filling line - HCBBS Forum
90. Analysis of pipeline vibration in the reboiler at the bottom of the acidic water stripping tower - HCBBS Forum
91. Issues regarding the reducer in the cooling tower - HCBBS Forum
92. What oxygen level is required after inerting to prevent explosion? - HCBBS Forum
93. Number of storage tanks - HCBBS Forum
94. Regarding the glitches in the Rosemount 3101 ultrasonic level gauge - HCBBS Forum
95. How to arrange the steam condensate pipeline - HCBBS Forum
96. 【Weekly Topic】【 HVAC Version 201605019】 - HCBBS Forum
97. Will a thin inlet pipeline of the shielded pump affect its operation? - HCBBS Forum
98. Equipment Coating----Commercial Industry Standard of the People’s Republic of China SB/T10148.10-93 - HCBBS Forum
99. Where in Liaoning Province and its surrounding areas can the dynamic balancing of centrifuge rotors be done? - HCBBS Forum
100. Request for the process flow diagram of mixed acid nitration (continuous) *** for the production of m-***phenyl*** - HCBBS Forum