English — Forum #723 (Page 265/642)

1. Characteristics of stainless steel deformation - HCBBS Forum
2. How can the service life of precision desulfurization catalysts be extended, and what measures should be taken during the production process? - HCBBS Forum
3. 【Purification Daily Question】May 7, 2016 - HCBBS Forum
4. How to handle low-concentration VOC gases containing dust (particulates)? - HCBBS Forum
5. On the logic of the compressor stepless control system - HCBBS Forum
6. Solenoid coil - HCBBS Forum
7. Polymer polyol AC - HCBBS Forum
8. Can ammonia-based desulfurization solve the problems associated with catalytic flue gas desulfurization (alkaline method)? - HCBBS Forum
9. What are the microorganisms involved in the denitrification process? - HCBBS Forum
10. LNG methanation reaction - HCBBS Forum
11. The automatic valve cannot operate automatically - HCBBS Forum
12. I have a question about vapor pressure - HCBBS Forum
13. Safety protection distance for sulfoxide chloride plants - HCBBS Forum
14. There is information regarding the relationship between the compressor circuit and the unloading valve - HCBBS Forum
15. Why is the tube sheet also used as a flange? - HCBBS Forum
16. 【Daily Topic】【Civil Engineering Version 20160513】 - HCBBS Forum
17. What is the volume in liters of 1 kg of water when it turns into water vapor at -0.09 Mp? - HCBBS Forum
18. Is there any relationship between the height and diameter of a 30,000 cubic meter gasoline storage tank, or are there any design requirements? - HCBBS Forum
19. Clamped soft-seal pneumatic butterfly valve - HCBBS Forum
20. HaiChuan on the tip of your tongue looks forward to your participation - HCBBS Forum
21. ISO 9001:2015 – Analysis of Internal and External Environment and Application of SWOT Method (II) - HCBBS Forum
22. Basis for controlling the top temperature of the amine liquid regeneration tower - HCBBS Forum
23. Safety Technology Exchange Edition: Daily Question (2016.5.6) - HCBBS Forum
24. How can the shut-off pressure of a pump be estimated? - HCBBS Forum
25. Seeking advice: What welding method should be used for welding Q345R+2507 composite steel and Q345R+S30403 composite steel? - HCBBS Forum
26. I’m seeking help from experts: how can I reduce pressure fluctuations in the system when starting up hydrogen production for the first time and switching to cyclic feeding mode for gas generation? - HCBBS Forum
27. May I ask why a 2K ohm resistor needs to be connected in parallel when using the PI-3511 pulse card to receive passive pulse signals? - HCBBS Forum
28. CRRC Times New Materials is recruiting process/piping engineers - HCBBS Forum
29. Which is the best boiler exhaust fan? - HCBBS Forum
30. Recruitment issues in nuclear power plants - HCBBS Forum
31. I hope to enable and disable this feature for moderators and forum staff - HCBBS Forum
32. 【Purification Daily Question】May 14, 2016 - HCBBS Forum
33. Pipelines classified as Class A/B hazardous materials require insulation, and polyurethane is being considered for this purpose. What are the specific requirements regarding the fire resistance of this material? - HCBBS Forum
34. 【Haichuan Coin Freelancer】JK Simmet Mineral Processing Process Simulation Software – Get the demo version - HCBBS Forum
35. How can one get promoted to elementary school - HCBBS Forum
36. Why are pilot-operated safety valves recommended for high-flow steam applications - HCBBS Forum
37. Environmental Protection Tip of the Day 5.13: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
38. 【Weekly Topic】【Storage & Transportation Version 201605010】 - HCBBS Forum
39. No permission to download post attachments - HCBBS Forum
40. Under what operating conditions can an MVR evaporator be used? A more detailed explanation is needed - HCBBS Forum
41. Pickling operation of stainless steel plates - HCBBS Forum
42. Key points for work-related injury identification and compensation standards for levels 1–10 (including death at work - HCBBS Forum
43. Method for removing oxygenated compounds from naphtha - HCBBS Forum
44. What is a good solution if the throttle element is installed in the wrong direction? - HCBBS Forum
45. What causes damage to the pinion gear of a rod mill? - HCBBS Forum
46. Instrument valves and hand valves - HCBBS Forum
47. Seeking advice on bag dust removal for compound fertilizers - HCBBS Forum
48. Regarding the dielectric constant issue of guided-wave radar level gauges - HCBBS Forum
49. Is there anyone who can provide calculation software for elbow flow meters? - HCBBS Forum
50. Tank problem - HCBBS Forum
51. Quality issues with the piston assembly - HCBBS Forum
52. First industrial operation of the 6.5MPa-class Tsinghua furnace - HCBBS Forum
53. Catalog of automated instruments and control valves for selection purposes only - HCBBS Forum
54. 【Weekly Topic】【Storage & Transportation Version 201605013】 - HCBBS Forum
55. 【Daily Question】Chemical Engineering Principles 374: Effluent quality from the anion exchange column (May 12) - HCBBS Forum
56. I heard that Qilu Catalysis uses the EDV6000 – could you share some experience? - HCBBS Forum
57. Urgently need a process flow diagram for the styrene production process for a chemical engineering graduation project - HCBBS Forum
58. Can solenoid valves only be used in pneumatic actuators? - HCBBS Forum
59. Steam issues in urea-based reductant denitration in SCR and SNCR – seeking help - HCBBS Forum
60. Selection of flowmeters for the two operating conditions - HCBBS Forum
61. How should the scraper machines in the sedimentation tanks of the graywater treatment unit be managed and monitored, and what are some better measures? - HCBBS Forum
62. Do slurry pipelines tend to accumulate slurry? - HCBBS Forum
63. How should gantry cranes be classified by purpose? - HCBBS Forum
64. How should the unit of impurity content in smoke measurement instruments be understood? - HCBBS Forum
65. Double shell and plate design - HCBBS Forum
66. Residue treatment methods - HCBBS Forum
67. 【Daily Topic】【Production Version 20160511】 - HCBBS Forum
68. 【Daily Question】May 12, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
69. Sea water pump - HCBBS Forum
70. Which connections on pressure vessels require reinforcing bars - HCBBS Forum
71. What is a mid-generation singer? Who are the mid-generation singers on the mainland? - HCBBS Forum
72. Question: What is the relationship between the design temperature of a low-pressure gas storage tank, its operating conditions, and the environmental extreme temperatures? - HCBBS Forum
73. How to improve reading permissions - HCBBS Forum
74. Using syngas to produce LNG: purification processes - HCBBS Forum
75. Green: Thompson is the league’s best scoring guard - HCBBS Forum
76. Carbon dioxide liquefaction - HCBBS Forum
77. If I pass the Foundation in Chemical Engineering exam in the first year, do I still need to take that foundation course if I want to take the Certified Safety examiner exam in the second year? - HCBBS Forum
78. If a few drops of water are added to a closed superheated steam system, how do the system’s internal energy, pressure, and temperature change? - HCBBS Forum
79. Accident Case Analysis: One Question per Monday (1) - HCBBS Forum
80. Power cable - HCBBS Forum
81. Jacket cooling - HCBBS Forum
82. Major discoveries in the history of science: The homepage section for pinned posts – why isn’t it being updated? - HCBBS Forum
83. Which type of flow meter should be used for superheated steam at 435° and a pressure of 34 kilograms? - HCBBS Forum
84. Regarding the cost of U-stamp? - HCBBS Forum
85. 【Daily Question No. 173】May 11, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
86. Types of air-cooled islands - HCBBS Forum
87. Detailed introduction to ultra-pure water equipment and its application fields - HCBBS Forum
88. Do exhaust valves need to be installed at the pump outlet? - HCBBS Forum
89. What are the factors that cause poor atomization in burners? - HCBBS Forum
90. Help with fan - HCBBS Forum
91. LNG methanation HC ratio - HCBBS Forum
92. What are the differences between single-end face sealing and double-end face sealing for vacuum discharge pumps? - HCBBS Forum
93. What are the uses of coke powder with a size range of 0-200 microns? - HCBBS Forum
94. Formation mechanisms of single and multi-nozzle ash slag - HCBBS Forum
95. Problems with Freon compressors - HCBBS Forum
96. What does 7+3 on the pump’s nameplate refer to regarding flow rate? - HCBBS Forum
97. Let’s discuss the progress in C3 and C4 dehydrogenation as well as mixed dehydrogenation, along with their levels of industrialization and application - HCBBS Forum
98. The corrosion of carbon steel pipelines caused by sulfonic acid groups entering water systems - HCBBS Forum
99. The distillation problem of glycidyl methacrylate, polymerization! ! ! ! - HCBBS Forum
100. The path to promotion in the workplace - HCBBS Forum