English — Forum #723 (Page 238/642)

1. For salt-acid waste liquid at a rate of 10 T/D, with a concentration of 10% and an iron content of 100 g/L, what size of negative pressure evaporation equipment is required? - HCBBS Forum
2. How to can volatile liquids? - HCBBS Forum
3. 【Picture of the Day】2016 06 17 – The wonderful series of Picture of the Day continues. What is the device in this picture? - HCBBS Forum
4. Is heat treatment required for the tube sleeves in the main steam pipeline used to install thermocouples after welding is completed? - HCBBS Forum
5. 【First-Class Constructor Project Management Practice Questions】036 Construction Party’s Project Management Objectives and Tasks - HCBBS Forum
6. A very useful software for calculating parameters on the air side - HCBBS Forum
7. Issues with the selection of level gauges for liquid sulfur storage tanks! ! ! - HCBBS Forum
8. Today, a company that deals with information security for DCS control systems came to discuss matters related to this area. Does anyone have knowledge in this field? - HCBBS Forum
9. Summary post on the special event: Poetry Contest on Safety Products for Seas and Rivers - HCBBS Forum
10. External coil of storage tank - HCBBS Forum
11. How should the salt content in the caustic soda produced by ion-exchange membrane cells be controlled after they have been in operation for over three years? - HCBBS Forum
12. Which is better, HTRI or EDR, or what are their respective advantages and disadvantages? - HCBBS Forum
13. Issues with the grounding ring setup of electromagnetic flowmeters? - HCBBS Forum
14. What kind of screws are suitable for different pressure levels? - HCBBS Forum
15. The issue of high hydrogen content in the hydrogen production feed gas - HCBBS Forum
16. Is there any work that requires someone to draw diagrams? - HCBBS Forum
17. 【First-Class Constructor Project Management Practice Questions】013 Preparation of Parallel Subcontracting Construction Plan - HCBBS Forum
18. Questions about the carbon disulfide level gauge? - HCBBS Forum
19. Why cannot the hose connectors for oxygen cylinders be made of copper materials with a copper content greater than 70% - HCBBS Forum
20. I would like to ask about whether a piston rotary pump requires barring, as well as issues related to starting and stopping it - HCBBS Forum
21. 【Euro Cup Big Prediction】Group 03 match: Russia vs England - HCBBS Forum
22. Could an expert give some advice on salary matters? - HCBBS Forum
23. 【Daily Question】Advanced Processing 20160612 Multiple Choice: As the inlet width B of a cyclone separator increases, its critical diameter (…) - HCBBS Forum
24. The issue of the order in which multiple safety signs are arranged together - HCBBS Forum
25. I need help – what effects does an excessively high recovery temperature of 50% in diesel actually have? - HCBBS Forum
26. Resistance of spray in an empty tower - HCBBS Forum
27. Shanghai Yister Pressure Vessel Co., Ltd. – Hiring pressure vessel design reviewers and pressure vessel designers - HCBBS Forum
28. 【Idiom Chain】Episode 2 of 6.12 is off! - HCBBS Forum
29. I have a question: how is \"boiling over\" pronounced? - HCBBS Forum
30. Surface inspection of pressure vessels - HCBBS Forum
31. Environmental Protection Daily Post – June 13: Reward for participation; an additional 3 rewards for answering correctly - HCBBS Forum
32. What happens when two fluids at different pressures are mixed? - HCBBS Forum
33. The functions of the deethanization stripping tower and the deethanization distillation tower - HCBBS Forum
34. Float level gauge - HCBBS Forum
35. Effect of steam interruption during catalyst activation of 1,4-butynediol - HCBBS Forum
36. Issues related to the negative deviation of sw6-2011 steel plates - HCBBS Forum
37. 【Daily Question】Advanced Processing 20160509 Multiple Choice Question: While the centrifuge is in operation, which of the following statements is incorrect? ( ) - HCBBS Forum
38. How to set the nitrogen pressure for the gear pump seal - HCBBS Forum
39. I’d like to ask everyone for advice on a few small issues I’m not sure how to handle in daily operations - HCBBS Forum
40. Sulfur Daily Question: June 2016 Summary Post - HCBBS Forum
41. Nine to five, or roaming the world? - HCBBS Forum
42. Do Class A equipment (other than storage tanks) require fire dikes? ? ? - HCBBS Forum
43. Issues with the material sheet for GB3531 - HCBBS Forum
44. Sign-in record post dated June 4, 2016 - HCBBS Forum
45. P204 concentration - HCBBS Forum
46. headless deaerator - HCBBS Forum
47. I would like to ask why heating is not required when using CO2 gas cylinders for gas supply? - HCBBS Forum
48. 【Weekly Topic】【Storage & Transportation Version 20160603】 - HCBBS Forum
49. 【Q&A Question 048】2016.06.07 - HCBBS Forum
50. What do the model numbers of outdoor fire hydrants, such as SS150/80-1.6, mean? - HCBBS Forum
51. When Safety Month coincides with the Dragon Boat Festival: Tips for safe travel during this long holiday - HCBBS Forum
52. Flange 16" 300# ANSI RF FCG - HCBBS Forum
53. Seeking help for the degradation of ammonia nitrogen in chemical plant wastewater - HCBBS Forum
54. Steam generator - HCBBS Forum
55. 【Daily Judgment NO.26】June 3, 2016 - HCBBS Forum
56. Power consumption issues of screw compressors and centrifugal compressors for LNG feed gas - HCBBS Forum
57. Are there any fire separation requirements between Class A factories, warehouses, or storage tanks and structures such as water tanks? - HCBBS Forum
58. Orbital ball valve - HCBBS Forum
59. 【Tech News】China Petroleum and Chemical Industry Science Popularization Alliance established in Beijing - HCBBS Forum
60. 【Operations Team】May 2016 Salaries - HCBBS Forum
61. 【Picture of the Day No. 007】June 02, 2016 – Wealth is waiting for you! - HCBBS Forum
62. Questions regarding the azeotrope temperature - HCBBS Forum
63. Is the size of the wrench we use usually determined by the diameter of the screw? - HCBBS Forum
64. Safety Guidelines for the Dragon Boat Festival Holiday (Attention parents with children) - HCBBS Forum
65. What steps are required for gasoline that has undergone hydrogenation to be used? - HCBBS Forum
66. What are the reasons for the low efficiency of low-temperature mechanical equipment? - HCBBS Forum
67. Grounding issues at the site and in the control room - HCBBS Forum
68. 【Daily Topic】【Civil Engineering Version 20160604】 - HCBBS Forum
69. 【Daily Topic】【Civil Engineering Version 20160529】 - HCBBS Forum
70. What’s the situation if there is coal slurry at the oxygen pipe outlet after the gasification shutdown purge? - HCBBS Forum
71. 【Purification Daily Question】June 7, 2016 - HCBBS Forum
72. What is the typical residence time at the bottom of the vacuum tower in a atmospheric and vacuum distillation unit, in minutes? - HCBBS Forum
73. Seeking help with RTD signal converter - HCBBS Forum
74. May the set pressure of the breathing valve be equal to the operating pressure of the storage tank? ? How should the design pressure of the storage tank be determined? - HCBBS Forum
75. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 08 - HCBBS Forum
76. Is it necessary for the material inside the fire dike to be resistant to salt and acid? Can the interior of the fire dike be treated to prevent corrosion? ? - HCBBS Forum
77. Something about smoking - HCBBS Forum
78. Elongation at break - HCBBS Forum
79. 【Weekly Topic】【HVAC Version 20160530】 - HCBBS Forum
80. Training materials on environmental protection - HCBBS Forum
81. Daily Question】2016 05 29 Hydrogenation Section Multiple Choice - HCBBS Forum
82. Big news! Safe Version 2016 Safety Month Prize Contest - HCBBS Forum
83. tert-Butyl ethylene glycol ether - HCBBS Forum
84. 【Daily Topic】【Civil Engineering Version 20160609】 - HCBBS Forum
85. Occupational Health Daily Question 6.1: Participate for a prize; 3 correct answers earn an additional 5 points (prize for Children’s Day) - HCBBS Forum
86. Daily Question, June 5, 2016 – Catalysis Section: Five Preventions in Summer - HCBBS Forum
87. Why does the safety valve with higher pressure open first - HCBBS Forum
88. Hiring for part-time piping work - HCBBS Forum
89. »Sea River Irrigation Co., Ltd. Convenience Store» 342: I’m in a good mood today; let’s chat, fellow sea lovers! - HCBBS Forum
90. When does the registration for the 2016 Chemical Engineering exam start (in Shanghai)? - HCBBS Forum
91. 【Daily Question】Advanced Processing 20160602 Multiple Choice: When using a reciprocating pump and finding that the flow rate is insufficient, the possible causes include... - HCBBS Forum
92. 【Purification Daily Question】June 2, 2016 - HCBBS Forum
93. Wenzhou Juguao Valves – a professional manufacturer of fluorinated-lined valves, offering high quality at competitive prices - HCBBS Forum
94. 【Industry Technical Exchange Forum】May 2016 Post on Moderator Salary Payments + Post on Technical Team Salary Payments - HCBBS Forum
95. High-speed pressure relief - HCBBS Forum
96. I’m looking for the user manual for MSA3800, thanks. - HCBBS Forum
97. One Question per Day on Synthetic Ammonia 106 - HCBBS Forum
98. Sulfur release issue in medium-temperature shift catalysts for hydrogen production via steam hydrocarbon thermal conversion - HCBBS Forum
99. Selection Activity for Outstanding Original Technical Themes in May-June 2016 (Recommendation Phase) - HCBBS Forum
100. Flammable liquid pipelines within a facility should be laid on the ground; is it possible not to do so? - HCBBS Forum