English — Forum #723 (Page 157/642)

1. Sign-in record post from August 26, 2016 - HCBBS Forum
2. 【Daily Topic】【HVAC Version 20160831】 - HCBBS Forum
3. Looking for a good post – recommendations for books on corrosion - HCBBS Forum
4. 【Q&A Question 138】2016.09.05 - HCBBS Forum
5. Scaling in the acid production wastewater from pyrite - HCBBS Forum
6. Magnetic drive rotor pump, mechanical seal leakage - HCBBS Forum
7. Seeking guidance on Rosemount 475 learning*~~~· - HCBBS Forum
8. 【Brainstorm】Is the water level rising or falling, huh? - HCBBS Forum
9. Solubility, - HCBBS Forum
10. True or False Questions - HCBBS Forum
11. Issues with purging during catalytic unit shutdown for maintenance - HCBBS Forum
12. 【Weekly Topic】Statistics on Nitrogen Fertilizer Conversion Pressure - HCBBS Forum
13. One chemical engineering designer at the Changsha Design and Research Institute of the Chemical Industry Ministry - HCBBS Forum
14. What are the procedures for starting and stopping the new hydrogen compressor (cyclic hydrogen compressor) in the hydrogenation unit, as well as the sequence of operations for the inlet and outlet valves? - HCBBS Forum
15. Cavitation calculation - HCBBS Forum
16. Selection of drying conditions for hydrogenation refining catalysts - HCBBS Forum
17. Regarding the solubility of hydroxylamine hydrochloride - HCBBS Forum
18. Environmental Protection Daily Tip 9.02: Reward for participation is 3 points, plus an additional 5 points for answering correctly - HCBBS Forum
19. The Coal-to-Oil Branch of Shenhua Ningxia Coal Group focuses intensively on the commissioning of the project - HCBBS Forum
20. 【Daily Topic】【Civil Engineering Version 20160831】 - HCBBS Forum
21. The problem of preventing sedimentation in water-coal slurry - HCBBS Forum
22. 【Daily Topic】【Electrical Edition 20160906】 - HCBBS Forum
23. Problems with the brine-based denitration membrane - HCBBS Forum
24. Some questions about welder certificates? - HCBBS Forum
25. Where is the cooperation project between Shenwu Group and Daqing Petrochemical? - HCBBS Forum
26. Removal of metal debris from materials - HCBBS Forum
27. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； August 30th - HCBBS Forum
28. Zhejiang University Zhongkong - HCBBS Forum
29. How to convert the cooling capacity of a cooling water tower - HCBBS Forum
30. Issues related to the treatment of high-boiling-point substances in VCM distillation; seeking qualified manufacturers - HCBBS Forum
31. 【Q&A Question 129】2016.08.27 - HCBBS Forum
32. Internal leakage in hot and cold exchangers - HCBBS Forum
33. Questions regarding posting paid resources - HCBBS Forum
34. Shell thickness calculation - HCBBS Forum
35. 【Daily Question】Chemical Engineering Principles 422: Coagulation Treatment (September 6) - HCBBS Forum
36. Gas storage tank procurement standards - HCBBS Forum
37. Seeking help with the installation of a crosshead in a reciprocating compressor - HCBBS Forum
38. Key considerations for selecting high-pressure hydrogenation control valves - HCBBS Forum
39. Is it still necessary to check for the five hepatitis B markers as part of the pre-employment health checkup? - HCBBS Forum
40. 【Daily Question】Chemical Engineering Principles 415: Boilers (August 26) - HCBBS Forum
41. Help: Series on an Analysis of Advanced Domestic Valve Standards - HCBBS Forum
42. Seeking help from WSA device administrators - HCBBS Forum
43. It will be 0 points on the first day. . . - HCBBS Forum
44. Environmental protection daily post 9.01 Participation reward 3 correct answers and 5 more rewards - HCBBS Forum
45. Should there be a firewall between the power distribution room and the cabinet room? - HCBBS Forum
46. 【Daily Question】Chemical Engineering Principles 420: Mixed Cation and Anion Resins (September 2) - HCBBS Forum
47. Operating procedures for the electric furnace during heating and reduction in the synthesis tower - HCBBS Forum
48. Regarding the issue of flow rate fluctuations after the molecular sieve - HCBBS Forum
49. The world’s most recognized healthy schedule – it’s worth having! - HCBBS Forum
50. Plan 3 for individual testing of carbon dioxide compressors - HCBBS Forum
51. What to do if a black water ball valve suffers severe abrasion after one year of use - HCBBS Forum
52. 【Daily Question】Chemical Engineering Principles 418: Resins in Desalination Systems (August 31) - HCBBS Forum
53. 【Brainstorming】Where did Sima Guang get the vat he used to break to save the child? - HCBBS Forum
54. For outdoor explosion-proof areas, is an explosion-proof flexible tube or an explosion-proof union better? - HCBBS Forum
55. Environmental tax is approaching; fertilizer companies see further acceleration in capacity reduction - HCBBS Forum
56. clearance - HCBBS Forum
57. 【Q&A Question 132】2016.08.30 - HCBBS Forum
58. Issues related to pipeline radiographic inspection - HCBBS Forum
59. In the equipment layout diagram, should the size of the equipment be indicated precisely, or is it sufficient to just show its location? - HCBBS Forum
60. Issues with ventilation holes in the inner ceiling of LNG atmospheric storage tanks - HCBBS Forum
61. [Q&A Question 137] 2016.09.04 - HCBBS Forum
62. A comparison of several commonly used configuration software; experts, please add more information! - HCBBS Forum
63. Regarding the components of biogas - HCBBS Forum
64. How can one make a leader who doesn’t prioritize security change their mindset? - HCBBS Forum
65. August 2016 Weekly Review on Compound Fertilizers: Confidence in the compound fertilizer market is gradually recovering - HCBBS Forum
66. Common thermal calculation software - HCBBS Forum
67. Gas flow metering - HCBBS Forum
68. Question: How should bidders describe their archive management and document control practices in a project? - HCBBS Forum
69. The red limit mark for the pump outlet pressure indicates how many times the normal outlet pressure it is - HCBBS Forum
70. I’m a bit confused about PLAN 52B’s flushing procedure - HCBBS Forum
71. Want to register? - HCBBS Forum
72. Some process issues regarding the combustion in JN60 coke ovens - HCBBS Forum
73. The mobile app cannot download attachments, nor can it view them; some pictures are also not visible. Please advise - HCBBS Forum
74. Are there any selection criteria for THF (**furan**) safety valves? ? ? ? Urgent! ! - HCBBS Forum
75. Request API610 version 2010 - HCBBS Forum
76. 【Daily Topic】【Electrical Edition 20160901】 - HCBBS Forum
77. 2014 Morning 21. How to solve real exam questions on filtering? - HCBBS Forum
78. Reasons for leakage of heat exchange tubes - HCBBS Forum
79. Does the equilibrium constant belong to thermodynamic state parameters? - HCBBS Forum
80. Request an outline for the design of safety facilities in light industry construction projects - HCBBS Forum
81. 【Picture of the Day】2016 08 26 What tool is the worker using in this picture? - HCBBS Forum
82. Can the use of standard expansion joints eliminate the need for calculations? - HCBBS Forum
83. 3D animation of the working principle and structure of a globe valve! Very intuitive! - HCBBS Forum
84. Seeking help: Under what conditions is it necessary to install indoor fire suppression systems in Class A chemical production workshops? - HCBBS Forum
85. What are the advantages of variable-frequency motors compared to traditional motors? - HCBBS Forum
86. 【Daily Topic】【Production Version 20160826】 - HCBBS Forum
87. Regarding the preparation of solutions - HCBBS Forum
88. Burner misalignment - HCBBS Forum
89. Precautions for producing SG-8 resin - HCBBS Forum
90. Turbine centrifugal compressor - HCBBS Forum
91. Proposal for activities to enhance employees’ awareness and capabilities in personal protection – what do everyone think? - HCBBS Forum
92. Although I might not pass the exam this year, I still checked the prices for registration and agency services; it cost me a fortune - HCBBS Forum
93. Screw compressor inlet check valve - HCBBS Forum
94. Reasons why the Schneider PLC cannot be operated - HCBBS Forum
95. Does stainless steel lined PTFE equipment need to undergo intergranular corrosion testing? - HCBBS Forum
96. Just looked at the case questions from the afternoon session of the 2014 exam in chemistry and engineering; there weren’t many I could answer - HCBBS Forum
97. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； September 6th - HCBBS Forum
98. Problems with the installation of instruments in catalytic cracking - HCBBS Forum
99. When carrying out technical upgrades in an existing chemical processing workshop, how should the fire safety inspection be conducted? - HCBBS Forum
100. Pipeline installation in chemical plants - HCBBS Forum