English — Forum #723 (Page 151/642)

1. Daily Security Technology Quiz (2016.9.11) - HCBBS Forum
2. The focus is on the team! The “Four Modernizations” Management Approach for Safe Production - HCBBS Forum
3. Seeking help with PSA - HCBBS Forum
4. Calculation of heating coil area - HCBBS Forum
5. Methods for suppressing coking in reformation pre-hydrogenation? - HCBBS Forum
6. How to reduce chloride ions in methanol - HCBBS Forum
7. Understanding of a certain provision in the general design codes for ports - HCBBS Forum
8. At what pressure can a check valve provide effective backflow prevention? - HCBBS Forum
9. Effect of vacuum tower skirt seating height on the circulation pump - HCBBS Forum
10. New-generation technology boosts yields of ethylene and propylene by over 10%; China Coal Mengda DMTO passes 72-hour test - HCBBS Forum
11. What is the purpose of adding acid during the electrolysis process? Why is it necessary to strictly control the amount of acid added? What is the control range? - HCBBS Forum
12. Seeking candidates with five years of experience in hydrocracking units - HCBBS Forum
13. Some issues regarding the propylene gas compressor in PP plants - HCBBS Forum
14. Questions regarding chlor-alkali - HCBBS Forum
15. Knowing the pipeline diameter and the medium, how can one calculate the maximum amount of medium that can be in the pipeline? - HCBBS Forum
16. Design Principle 5: Condenser - HCBBS Forum
17. MTP - HCBBS Forum
18. FCC startup and shutdown issues - HCBBS Forum
19. Who has information and property tables related to calcium chloride? - HCBBS Forum
20. Differences in application between reciprocating pumps and vortex pumps - HCBBS Forum
21. Register as an exam question setter for the chemical engineering specialty. - HCBBS Forum
22. Installation design and specifications for safety valves of instrument air tanks - HCBBS Forum
23. Differences between GB/T14976 and ASME16.9 - HCBBS Forum
24. Daily Security Technology Quiz (2016.9.14) - HCBBS Forum
25. Pay attention to the statistical issues related to the dynamic sealing points of devices - HCBBS Forum
26. I'm in a good mood - HCBBS Forum
27. In the polyethylene unit and comonomer refining unit, what does comonomer refer to? What does it include specifically? - HCBBS Forum
28. Primary stress, secondary stress, and peak stress - HCBBS Forum
29. Are there any standards for calculating pipe wall thickness based on pressure rating? - HCBBS Forum
30. 【Foreign Language Club】August 2016 Special Post on Payment of Salaries and Bonuses for Moderators & Technical Discussants - HCBBS Forum
31. I have a question regarding the lifting of vertical containers - HCBBS Forum
32. Do vertical reboilers have steam inlet in the middle? - HCBBS Forum
33. Analysis of the reasons for vibration in the centrifugal pump outlet pipeline - HCBBS Forum
34. How can the PID block in the Yokogawa DCS be forced to output 0 automatically or to a specific value? - HCBBS Forum
35. Sichuan Zhonglian Environmental Protection is recruiting professionals for desulfurization processes and sales roles - HCBBS Forum
36. When will the second Mid-Autumn Festival forum’s floor bidding start? - HCBBS Forum
37. How is a modular sight defined, and what is the difference between it and a regular sight? - HCBBS Forum
38. Once the work team meets these “six haves and six noes” in terms of safety, the safety officer can breathe a sigh of relief - HCBBS Forum
39. Pressure vessel type test - HCBBS Forum
40. The water removal issue in the preparation of dichloropropanol using the glycerol method - HCBBS Forum
41. Do you know what kinds of jobs are not suitable for female workers? - HCBBS Forum
42. Regarding the issue of mixing gas metering (not sure if this is the right place to post it) - HCBBS Forum
43. Why is it necessary to decompose chlorates in saltwater? - HCBBS Forum
44. The Commercial Path for Chicks (Understanding This Can Save You 10 Years of Hard Work) - HCBBS Forum
45. 【Weekly Topic】【Quality Version 20160919】 - HCBBS Forum
46. Removal of organic gases - HCBBS Forum
47. Let’s discuss valve online maintenance equipment together - HCBBS Forum
48. Q&A on Hydrogenation Equipment Technology (Worth Saving) - HCBBS Forum
49. What type of activated carbon should be used for the treatment of organic waste gases? - HCBBS Forum
50. In-depth article ‖ Basic knowledge and future prospects of the alkylation series – worth saving! - HCBBS Forum
51. Luxi Chemical’s Second Fertilizer Plant Ceases Operations and Moves Away - HCBBS Forum
52. The contact problem between stainless steel and carbon steel - HCBBS Forum
53. How is the wall thickness class for pressure pipelines determined? - HCBBS Forum
54. How does the oil and gas from the stripping section reach the gas collection chamber? - HCBBS Forum
55. What material is suitable for diaphragm metering pumps used for adding alkali? - HCBBS Forum
56. Steps for shutting down a centrifugal pump - HCBBS Forum
57. Morning exercise at the neighborhood center – Some thoughts - HCBBS Forum
58. How hydrocracking units reduce the hydrogen content in low-pressure dry gas - HCBBS Forum
59. Cyclic hydrogen compressor - HCBBS Forum
60. What is the service life of the disc spring in hydraulic bolts? - HCBBS Forum
61. Suspected flash explosion at Qinghai Salt Lake Haina Company: 6 deaths and multiple injuries _ Live report from the scene _ The Paper - HCBBS Forum
62. Do not repair damaged car paint casually - HCBBS Forum
63. Five foods to prevent kidney stones - HCBBS Forum
64. Bolt heat treatment - HCBBS Forum
65. Gauge settings - HCBBS Forum
66. 【Daily Topic】【Civil Engineering Version 20160920】 - HCBBS Forum
67. For D2-class pressure vessels, can non-destructive testing be outsourced? - HCBBS Forum
68. 【Daily Topic】【HVAC Version 20160918】 - HCBBS Forum
69. Can one receive compensation from both work-related injury insurance and accident insurance? - HCBBS Forum
70. Why do the Tang people appreciate the moon so much - HCBBS Forum
71. Methods for handling secondary open-circuit faults in AC current transformers CT - HCBBS Forum
72. 【Daily Topic】【Engineering Version 20160912】 - HCBBS Forum
73. Sign-in record post from September 14, 2016 - HCBBS Forum
74. Aspen to HTRI material properties - HCBBS Forum
75. Is it necessary to add a sliding end to the middle support of a three-support electrodesalination tank? - HCBBS Forum
76. How to conduct pressure testing on CNG pipelines with a design pressure of 28 MPa? - HCBBS Forum
77. Seek transformer oil standards - HCBBS Forum
78. The Roots flow meter experiences significant vibration - HCBBS Forum
79. What exactly do logical controllers and basic control systems refer to? What’s the difference? - HCBBS Forum
80. Problems with medium-pressure boiler water level gauges - HCBBS Forum
81. What are the steps involved in manufacturing a heat exchanger? Please discuss it from the perspectives of material procurement and workshop production - HCBBS Forum
82. Dianchi Lake’s pollution control target has been missed, with an investment of 50 billion in 20 years, and the water quality is still worse than Category 5 - HCBBS Forum
83. Seeking help with issues regarding the compressor in the hydrogen refining cycle hydrogen compressor - HCBBS Forum
84. Seeking expert advice on preventing freezing of underground fire hydrants in the north during winter - HCBBS Forum
85. Process by-products from the oxidation of cyclohexane to produce ** - HCBBS Forum
86. Selection principles for P-series two-stage pusher centrifuges - HCBBS Forum
87. Why is it necessary to maintain an adequate circulation rate on the surfaces of the cathode and anode during the electrolysis process? - HCBBS Forum
88. Development Trends of Petrochemical Equipment in China - HCBBS Forum
89. Is it feasible to feed the pipeline directly into the pump inlet through multiple gantries, from low to high? - HCBBS Forum
90. The frustrations of the workplace - HCBBS Forum
91. Regarding the night compass issue - HCBBS Forum
92. Which domestic organizations are capable of conducting SIS certification? - HCBBS Forum
93. Seeking help with gas desulfurization technology - HCBBS Forum
94. 【Haichuan Food Q&A】03: For stir-frying, is a flat pan better or a round pan better? - HCBBS Forum
95. Technological progress - HCBBS Forum
96. None of the answers to the cases are written in parentheses; is that really a zero score? - HCBBS Forum
97. Industrial application performance of FCC light gasoline etherification units - HCBBS Forum
98. 【Picture of the Day】2016 09 12 What is the equipment that needs to be lifted in this picture? - HCBBS Forum
99. High-pressure pipeline pump manufacturers - HCBBS Forum
100. Regarding the selection of slurry, grout, and mortar pumps? - HCBBS Forum