English — Forum #723 (Page 286/642)

1. Environmental Protection Daily Tip 5.04: Reward for participation is 3 points, plus another 3 points for answering correctly - HCBBS Forum
2. Inspection items for boilers - HCBBS Forum
3. Zibo Taitong signed a contract to supply catalysts for Huidong Energy’s 300,000 tons per year anthracene oil lightening facility - HCBBS Forum
4. Should I ask if I don’t understand? - HCBBS Forum
5. Can it still be used as a void standard? - HCBBS Forum
6. What standards does the SINOPEC spring library in CAESAR II follow? - HCBBS Forum
7. 【Weekly Topic】【HVAC Version 20160422】 - HCBBS Forum
8. Variable-frequency centrifugal compressor - HCBBS Forum
9. Problems with spherical tank tie rods - HCBBS Forum
10. Problems with the two key points and one major design aspect of the safety instrumented system - HCBBS Forum
11. Sign-in record post from April 28, 2016 - HCBBS Forum
12. 【Daily Question No. 127】April 22, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
13. Does the water in the tetrahydrocarbon feedstock used in MTBE production have any impact on the reaction process? - HCBBS Forum
14. Will the pump burn out if its outlet remains closed all the time? - HCBBS Forum
15. Monitoring of DCS point values - HCBBS Forum
16. Seek drawings for custom air filters - HCBBS Forum
17. SHT/3096-2012 standard - HCBBS Forum
18. Experts, are there any companies in China that can manufacture cam pumps made from special materials? - HCBBS Forum
19. What does cycle commissioning during the start-up of continuous reforming refer to? - HCBBS Forum
20. 【Daily Topic】【Electrical Edition 20160503】 - HCBBS Forum
21. Performance grade of bolts - HCBBS Forum
22. Sichuan Jinxing Gas Valve - HCBBS Forum
23. How to set up the on-site display for Coriolis flowmeters in Cologne - HCBBS Forum
24. 【Daily Topic】【Civil Engineering Version 20160501】 - HCBBS Forum
25. Technical assistance: A 250KW high-voltage motor has an insulation resistance of 20 megohms – is it safe to start it? - HCBBS Forum
26. Does that make sense? Did you do it? - HCBBS Forum
27. Who has used a gasoline etherification unit - HCBBS Forum
28. Quickly open the blind flange - HCBBS Forum
29. Is carbon monoxide considered a moderately toxic or highly toxic substance? - HCBBS Forum
30. Issue of residual pressure in gas cylinders - HCBBS Forum
31. The main purpose of the Earned Value Principle in evaluating and controlling engineering construction projects is - HCBBS Forum
32. 【Q&A Question 004】April 24, 2016 - HCBBS Forum
33. Have you ever seen anyone design too many medium filters? - HCBBS Forum
34. What material would be a good choice for such pipes? ? Urgent! Urgent! Urgent! ! - HCBBS Forum
35. Methanol distillation operation - HCBBS Forum
36. 【Daily Topic】【Electrical Edition 20160501】 - HCBBS Forum
37. Feed deviation in coking heater - HCBBS Forum
38. How to deal with odors in the biochemical tank - HCBBS Forum
39. 【Daily Question】Deep Processing 20160501 Multiple Choice Question: In typical reactors, the batch reactor operates according to ( ) - HCBBS Forum
40. Isn’t a temperature and pressure reducer a bit wasteful in terms of energy use? - HCBBS Forum
41. Can the density change during the catalytic diesel loading process? - HCBBS Forum
42. One person, one city - HCBBS Forum
43. On the calibration of large-diameter steam metering devices. - HCBBS Forum
44. As a side note, another very serious issue present in current high-salt wastewater treatment processes is the presence of solid contaminants - HCBBS Forum
45. Common knowledge for installing chain conveyor belts - HCBBS Forum
46. Material issues for NaCLO tanks - HCBBS Forum
47. Selection between evaporation crystallization and cooling crystallization - HCBBS Forum
48. 【Daily Topic】【Quality Version 20160428】 - HCBBS Forum
49. It’s quite difficult to download now - HCBBS Forum
50. 【Daily Question No. 135】May 05, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
51. Connection of plastic flanges and metal flanges - HCBBS Forum
52. What do units such as mFC and mFls for head pressure of pumps abroad mean? - HCBBS Forum
53. High-temperature decomposition of hydrogen chloride - HCBBS Forum
54. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 504 - HCBBS Forum
55. Question: What’s the issue when saving a pdsoft model as a .nwd file, with the message stating that no security key was found? How to solve it - HCBBS Forum
56. Floating head heat exchanger design - HCBBS Forum
57. What are the minor commodities downstream of propane? - HCBBS Forum
58. How to determine the treatment capacity for chlorine handling systems in liquid chlorine tank farm accidents? - HCBBS Forum
59. 【Daily Question】 2016 04 25 Hydrogenation Sector Multiple Choice - HCBBS Forum
60. Question regarding the vent manifold and shut-off valve - HCBBS Forum
61. Reasons for the high hydrogen content in the PSA desorbed gas - HCBBS Forum
62. Recruitment for water treatment units - HCBBS Forum
63. Comparison of the principles behind HTRI importing material properties from PROII - HCBBS Forum
64. 2014 Professional Knowledge – Morning: Properties of Solutions 51 - HCBBS Forum
65. Regarding the salt and acid issue - HCBBS Forum
66. Precautions for starting a self-priming pump - HCBBS Forum
67. Textbooks for Certified Safety Engineers in 2016 - HCBBS Forum
68. CO2 stripping method: reasons for fluctuations in the liquid level of the stripping tower - HCBBS Forum
69. 【Daily Topic】【Quality Version 20160429】 - HCBBS Forum
70. The leachate from the bayer process for alumina is yellow-green in color - HCBBS Forum
71. Issues with water flow rate in the jacket-cooled furnace body? - HCBBS Forum
72. End of electricity price discounts accelerates changes in the urea market - HCBBS Forum
73. 20160504 - HCBBS Forum
74. Are there any examples of ultra-low emissions from boiler flue gas? - HCBBS Forum
75. A science fiction story under 100 words - HCBBS Forum
76. 【How Much Do You Know About Skill Experts】010 The \"Pipeline Iron Man\" Who Builds the Arteries of Oil and Gas” - HCBBS Forum
77. What are the models of oil pumps with a flow rate of 2000 and a head of 150? - HCBBS Forum
78. Please help - HCBBS Forum
79. What is a good material for flue gas pipes? - HCBBS Forum
80. Why is the network always abnormal? - HCBBS Forum
81. How to measure the coating thickness of stainless steel tanks? - HCBBS Forum
82. 【Picture of the Day】2016 04 26 Which component of a compressor is shown in this image? - HCBBS Forum
83. Corrosion protection of petroleum refining and chemical processing units during shutdown and standby periods - HCBBS Forum
84. 【Daily Topic】【Engineering Version 20160505】 - HCBBS Forum
85. Occupational Health Daily Question 4.26: Participate for a prize; 3 answers correct and you’ll get another prize - HCBBS Forum
86. How should negative pressure be handled when calculating CV? - HCBBS Forum
87. In Auto CAD P&ID, why is the “ISA Cone Roof Tank” symbol not available in the current project? ” - HCBBS Forum
88. Acidic water stripping - HCBBS Forum
89. Reviewing the Old to Discover the New (Series 17) - HCBBS Forum
90. 2D to 3D Design (Part-time) - HCBBS Forum
91. 【Weekly Topic】【Storage & Transportation Version 20160504】 - HCBBS Forum
92. 【Daily Question No. 164】April 27, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
93. Sulfur Daily Question, April 25------3 points for participation, 10 points for a correct answer - HCBBS Forum
94. Dangerous accidents are trending everywhere — do you know where 77% of these accidents occur? - HCBBS Forum
95. The level of temperature drawn from No. 1 unit - HCBBS Forum
96. Should dust be removed first before electrostatic degreasing? - HCBBS Forum
97. Increase in SS in the effluent from the biological unit - HCBBS Forum
98. Questions about the Clarus 580 GC - HCBBS Forum
99. What to do when condensates in urine frequently block the pipelines? - HCBBS Forum
100. What are the steps to install a interlock shutdown safety system on an industrial heating furnace? - HCBBS Forum