English — Forum #723 (Page 259/642)

1. Professional title assessment on Huagong Road. - HCBBS Forum
2. 【Daily Topic】【Electrical Edition 20160519】 - HCBBS Forum
3. Sign-in record post from May 28, 2016 - HCBBS Forum
4. Regarding the range ratio of pressure transmitters - HCBBS Forum
5. Cycle-free methanation coal-to-gas process - HCBBS Forum
6. Centrifugal pump - HCBBS Forum
7. End face dimensions of valves without flange connections - HCBBS Forum
8. Design pressure for jacketed vacuum vessels with internal pressure in the jacket - HCBBS Forum
9. The mass flow meter has a large measurement error - HCBBS Forum
10. What are the regulations for various positions in the management of normal-pressure workshops and reduced-pressure workshops? For example: What needs to be done, what are the daily tasks? - HCBBS Forum
11. The storage tank is equipped with two types of level gauges - HCBBS Forum
12. 【Daily Topic】【Electrical Edition 20160517】 - HCBBS Forum
13. Problems with the control panel in Aspen - HCBBS Forum
14. Safety Technology Exchange Edition: Daily Question (2016.5.19) - HCBBS Forum
15. 【Weekly Topic】【Production Version 201605026】 - HCBBS Forum
16. Problems with the machine seal of the turbine condensate pump - HCBBS Forum
17. For wastewater with a COD level of 100 and ammonia nitrogen levels of 20, what chemicals can be used to remove these pollutants? - HCBBS Forum
18. 【Daily Question】Advanced Processing 20160518 Multiple Choice: Based on polymers, it is made by mixing in certain additives and fillers... - HCBBS Forum
19. 【Daily Question No. 150】May 26, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
20. Issues related to the selection of blast discs - HCBBS Forum
21. During the three-way circulation of the distillation system, what medium is present inside the distillation tower? ? - HCBBS Forum
22. Reclamation methods - HCBBS Forum
23. Where in Liaoning Province can heat exchanger tube bundle anti-corrosion treatment be carried out? - HCBBS Forum
24. 11 years of experience in chemical engineering processes, seeking a job - HCBBS Forum
25. 【Daily Topic】【Civil Engineering Version 20160523】 - HCBBS Forum
26. Distance between the two pipe supports - HCBBS Forum
27. The woman won the Uber Cup championship - HCBBS Forum
28. Nameplate dimensions: Length X Width? ? - HCBBS Forum
29. The issue of the upper temperature limit for S30408 strain-strengthened studs - HCBBS Forum
30. The anaerobic treatment of wastewater (IC, UASB, etc.) produces a very strong ammonia odor - HCBBS Forum
31. Why is the corrosion more severe at a height of one meter below the C8 tank and near the top of it? - HCBBS Forum
32. Regarding flexible joints and expansion joints - HCBBS Forum
33. Service life of PVC polymerization reactor - HCBBS Forum
34. The wastewater is dairy-related wastewater, and currently a large amount of oil foam is coming out of the hydrolysis tank! How to deal with it? - HCBBS Forum
35. 【Weekly Topic】【 HVAC Version 201605023】 - HCBBS Forum
36. How is the SIL level determined? - HCBBS Forum
37. What are the uses of non-aromatic products from aromatic hydrocarbon extraction units? - HCBBS Forum
38. Industrial salt: Do acid storage tanks need to be equipped with toxic gas detectors? - HCBBS Forum
39. 【Daily Topic】【Engineering Version 20160518】 - HCBBS Forum
40. I’ve just taken on a new project; I’d appreciate everyone’s advice - HCBBS Forum
41. 17- Solutions for expanding the capacity of power plant steam boilers by utilizing the existing flue gas desulfurization scrubber demister and dust remover - HCBBS Forum
42. Seek recommendations for manufacturers of hydrogen analyzers - HCBBS Forum
43. Basic Knowledge – Basic Knowledge of Inorganic Chemistry 14 - HCBBS Forum
44. Sealing gasket - HCBBS Forum
45. Safety Technology Exchange Edition: Daily Question (2016.5.18) - HCBBS Forum
46. Removal of crystalline naphthalene from pipelines - HCBBS Forum
47. 【Weekly Topic】【Storage & Transportation Version 201605026】 - HCBBS Forum
48. Regarding qualification issues - HCBBS Forum
49. 520, there’s a festival – your wallet won’t be safe! - HCBBS Forum
50. When the pipeline is fully open, the electric actuator cannot open the valve - HCBBS Forum
51. What is the pattern of variation in the generation volume of coke oven gas? - HCBBS Forum
52. Key considerations for selecting plate heat exchangers - HCBBS Forum
53. The olefin industry is about to enter a new era of diversified development in terms of raw materials and processes - HCBBS Forum
54. There are few cars on the road; will you still wait for the traffic lights? - HCBBS Forum
55. Let’s discuss the views on PID control parameters using the simplest methods possible - HCBBS Forum
56. Who can recommend some flowmeters for measuring low flow rates at low velocities? - HCBBS Forum
57. Issues with grounding gas cylinders - HCBBS Forum
58. Recruitment! Recruitment! Recruitment for modified engineer! ! - HCBBS Forum
59. Gas solution - HCBBS Forum
60. Raw material storage tanks are installed in Class C factories - HCBBS Forum
61. A question about Siemens PLC programming - HCBBS Forum
62. Safe production requires the elimination of six types of unsafe mindsets - HCBBS Forum
63. Modification of the opening of liquefied gas cylinders - HCBBS Forum
64. How can this water pump shaft sleeve be repaired? - HCBBS Forum
65. ma mie, please look it up in the dictionary - HCBBS Forum
66. What are on-site water level gauges and low-level water level gauges for boilers? - HCBBS Forum
67. What is the maximum diameter of the 8.0 Mpa oxygen pipeline that is currently in use? Which company made it? - HCBBS Forum
68. Is an oil-containing wastewater oil separator classified as Category A? Urgent! Urgent! Urgent! ! ! ! - HCBBS Forum
69. Methanol distillation tower reboiler - HCBBS Forum
70. 【Chemical Industry Planning】Seven integrated petrochemical complexes will be established during the 13th Five-Year Plan period - HCBBS Forum
71. 【Picture of the Day, Image No. 004】May 24, 2016: +2 wealth for participation, +3 additional wealth for correct answers - HCBBS Forum
72. Could everyone share the rules regarding turning gears in their respective units? There are also regulations for equipment managers to follow - HCBBS Forum
73. Instructions for the Tourism Edition regarding the 【One Image per Day】 campaign - HCBBS Forum
74. The medium is sulfuric acid; what material provides the best corrosion resistance? - HCBBS Forum
75. Precautions for starting up and shutting down the purification system - HCBBS Forum
76. What degreasing solution should be used for grooving nickel-based alloys? - HCBBS Forum
77. Issues related to the seismic design of oil tanks per GB50341-2014 - HCBBS Forum
78. 【Weekly Topic】【Storage & Transportation Version 201605025】 - HCBBS Forum
79. Selection of seal water pressure for single-stage centrifugal pumps - HCBBS Forum
80. Where can I collect my monthly salary? - HCBBS Forum
81. Pipeline pressure testing issues - HCBBS Forum
82. Reasons for fluctuations in the flow rate of Klaus acid gas - HCBBS Forum
83. 【Purification Daily Question】May 23, 2016 - HCBBS Forum
84. How are the average temperature along the length of the cylinder and the average temperature along the length of the heat exchange tubes calculated in the SW6 fixed-type heat exchanger? - HCBBS Forum
85. Does ammonia water contain chloride ions? - HCBBS Forum
86. What is the difference between a star discharger and an air shutter? - HCBBS Forum
87. Φ340js7（±0.028） - HCBBS Forum
88. Effective utilization of hydrogen - HCBBS Forum
89. I would like to know what the allowable tolerances are for verticality and deflection of the tower after installation? - HCBBS Forum
90. The first gasifier in Shenhua Xinjiang’s 680,000-ton coal-based new materials project was successfully fed with material - HCBBS Forum
91. Fiber transmission for DCS? - HCBBS Forum
92. 【Daily Question】Chemical Engineering Principles 379: Phenolphthalein Indicator (May 18) - HCBBS Forum
93. What should be considered in the design of unloading areas on the general layout? - HCBBS Forum
94. High-speed pump maintenance procedure - HCBBS Forum
95. Environmental Protection Daily Tip – May 28: Reward for participation; an additional reward for answering 3 questions correctly - HCBBS Forum
96. Problems with twin-screw oil pumps - HCBBS Forum
97. How to deal with the leakage in the bottom reboiler of the absorption stabilization column in delayed coking - HCBBS Forum
98. The Henry’s law problem of PRO2 - HCBBS Forum
99. Reuse of phosphoric acid in the preparation of activated carbon via phosphoric acid method - HCBBS Forum
100. s7300 simulation software - HCBBS Forum