English — Forum #723 (Page 181/642)

1. Have you watched \"Top Chef\" and \"Chopped\"? - HCBBS Forum
2. How to wire and set parameters for the digital display model LDTB-3122/GA - HCBBS Forum
3. What has been the situation of the domestic OTS market over the past 3 years? - HCBBS Forum
4. Distance between Class C liquid unloading dip pipe, pump room and open flame sources - HCBBS Forum
5. Brothers and sisters, take a look, hurry up! - HCBBS Forum
6. Regarding the issue of deoxygenation - HCBBS Forum
7. Selection of fume hood fans - HCBBS Forum
8. Advantages, disadvantages, and application ranges of fixed-bed, moving-bed, and fluidized-bed reactors - HCBBS Forum
9. These four tips are enough to distinguish between genuine and fake PPR pipes! - HCBBS Forum
10. Granular material was observed during the trial of the initiator - HCBBS Forum
11. Can methanol catalysts be pre-reduced? - HCBBS Forum
12. What is the role of sodium chlorate in wastewater treatment? - HCBBS Forum
13. Provisions on supervision and inspection in the General Code - HCBBS Forum
14. I need help from experts; I turned one tower into two towers connected in series. But after it was made, all the hydraulic data changed - HCBBS Forum
15. I need the exam questions from the audit in July 2016! ! - HCBBS Forum
16. 【Daily Topic】【Civil Engineering Version 20160802】 - HCBBS Forum
17. The issue of design pressure for liquid ammonia storage tanks - HCBBS Forum
18. What does GD2 mean? - HCBBS Forum
19. What should one do first upon entering the process room of a design institute? - HCBBS Forum
20. Who has the answers for the first day of the 2014 Chemistry and Biology professional examination? - HCBBS Forum
21. Calculation of the pressure generated by expansion after closing the valves at both ends of the vinyl chloride pipeline - HCBBS Forum
22. lockup relay - HCBBS Forum
23. Current Status of the Coking Industry in the United States - HCBBS Forum
24. Chemical Industry Cloud - HCBBS Forum
25. Orifice plate flow meter - HCBBS Forum
26. Sign-in record post from August 1, 2016 - HCBBS Forum
27. Environmental protection is of utmost importance: phosphates – forest flame retardants - HCBBS Forum
28. Filtering of latex or styrene-butadiene latex: how to make the filtering more effective? - HCBBS Forum
29. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； August 04th - HCBBS Forum
30. Energy-saving renovation technology for circulating water pumps - HCBBS Forum
31. 【Picture of the Day】2016 08 09 Picture of the Day – The excitement continues. The equipment in the hands of the worker in this picture. - HCBBS Forum
32. I need help from experts: what equipment is required for this process? - HCBBS Forum
33. Is coking in the riser particularly severe? Why? - HCBBS Forum
34. 【Weekly Topic】【Quality Version 20160809】 - HCBBS Forum
35. Are all back-pressure balanced safety valves diaphragm safety valves? - HCBBS Forum
36. Is external pressure verification required for the inner tube of the jacketed tube? - HCBBS Forum
37. Help with ProII simulation for methanol distillation - HCBBS Forum
38. Who is the turntable device designed for? - HCBBS Forum
39. Problems with the Yokogawa CS3000 - HCBBS Forum
40. Design of fire dike for liquid ammonia spherical tanks - HCBBS Forum
41. Answer correction: Question 56 on professional knowledge in the 2014 Certified Public Accountant exam - HCBBS Forum
42. 【Weekly Topic】【Civil Engineering Version 20160805】 - HCBBS Forum
43. Which type of pump has the lowest failure rate for pumping 10% lime milk? - HCBBS Forum
44. What is the difference between an on-site cabinet and an on-site cabinet room? - HCBBS Forum
45. Is hydrogen explosion considered in the production, use, and storage of concentrated sulfuric acid? - HCBBS Forum
46. Liquid ammonia unloading flow rate - HCBBS Forum
47. Minimum welding angle - HCBBS Forum
48. 【Daily Question】In-depth Processing 20160810 Short Answer: Why must the motor’s casing be grounded? - HCBBS Forum
49. I would like to ask how the initial and final temperatures are determined when designing a distillation system - HCBBS Forum
50. Methanol Segment Weekly Topics Causes of surge in centrifugal compressors 2016.08.08--08.15 - HCBBS Forum
51. Let’s spread awareness: Is sodium acid pyrophosphate dangerous? - HCBBS Forum
52. Why does increasing the reflux in some distillation units at a certain load level result in an increase in the top temperature? - HCBBS Forum
53. How is the size of the bottom of a distillation tower determined? - HCBBS Forum
54. [Q&A Question 105] 2016.08.03 - HCBBS Forum
55. Vibration problems in reciprocating compressors - HCBBS Forum
56. Types and Features of Valve Actuation Devices (Baird Valves) - HCBBS Forum
57. The COD level in the methanol rainwater system is too high; please provide an analysis - HCBBS Forum
58. Sign-in record post from August 4, 2016 - HCBBS Forum
59. Principles and measures for energy-saving renovation of water pumps - HCBBS Forum
60. Sign-in record post dated July 31, 2016 - HCBBS Forum
61. Torch system replacement plan - HCBBS Forum
62. 【Daily Topic】【HVAC Version 20160809】 - HCBBS Forum
63. May I ask if the escape routes from the power distribution room and control room can lead from the second floor of the workshop to the first floor and then outside? - HCBBS Forum
64. Are the answers for the afternoon section of the 2014 professional knowledge exam available? - HCBBS Forum
65. An explosive topic—regarding domestic evaporation systems... - HCBBS Forum
66. Does the creep limit play a role in determining the allowable stress value? - HCBBS Forum
67. 【Weekly Topic】【Production Version 20160805】 - HCBBS Forum
68. What is the density and sound speed of hydrogen at 40 degrees Celsius and 4 MPa? - HCBBS Forum
69. 【Picture of the Day】2016 07 29 Picture of the Day – The excitement continues. What is the device in this picture? - HCBBS Forum
70. 【Weekly Topic】【Engineering Version 20160804】 - HCBBS Forum
71. Issues regarding the insulation of chlorine-hydrogen pipelines - HCBBS Forum
72. Problem of liquid accumulation in the liquid nitrogen cooling chamber - HCBBS Forum
73. Does titanium tetrachloride belong to chemicals that are major hazard sources? - HCBBS Forum
74. I’m seeking help from everyone - HCBBS Forum
75. hydrocracking - HCBBS Forum
76. What are the common problems with CNG reciprocating compressors? - HCBBS Forum
77. Looseness of the valve bolt holes: how to prevent loss - HCBBS Forum
78. Who from the Chinese team will win the badminton singles title at the Rio Olympics? - HCBBS Forum
79. Help! ! How to deal with butter stains on cotton work clothes? - HCBBS Forum
80. Pressure selection for the hot-state testing system of hydrocracking units - HCBBS Forum
81. What type of level gauge is used in sulfur sulfur ponds? - HCBBS Forum
82. Is liquid ammonia useful for denitrifying coke oven flue gas? - HCBBS Forum
83. Seeking advice on books about DCS - HCBBS Forum
84. Chemical plant for sale, with all necessary documents in order - HCBBS Forum
85. Sign-in record post from August 10, 2016 - HCBBS Forum
86. How to draw a construction progress curve? ? ? - HCBBS Forum
87. Regarding the reboiler outlet issue - HCBBS Forum
88. 【Daily Question】August 3, 2016: +2 Wealth for participation； +3 to +10 wealth for correct answers - HCBBS Forum
89. Coke oven flue gas denitration has been operating successfully for 3 months - HCBBS Forum
90. I would like to ask how the initial and final temperatures are determined when designing a distillation system - HCBBS Forum
91. Maintenance operations for benzene tanks - HCBBS Forum
92. Coal tar density vs. temperature chart - HCBBS Forum
93. 【Daily Topic】【HVAC Version 20160807】 - HCBBS Forum
94. Nylon lubricant, high-performance engineering plastic lubricant - HCBBS Forum
95. More questions about industrial online pH meters - HCBBS Forum
96. What is the sequence for opening and closing the inlet and outlet valves as well as the pump itself when starting up and shutting down centrifugal pumps and positive displacement pumps? - HCBBS Forum
97. Hot water from coking process - HCBBS Forum
98. Automatic control rate of low-temperature methanol washing - HCBBS Forum
99. 【Mechanical Division】Post on assessments of management and technical teams sowie payment of salaries and bonuses for July 2016 - HCBBS Forum
100. Environmental Protection Daily Tip 8.01: Reward for participation is 3 points, plus an additional 5 points for answering correctly - HCBBS Forum