English — Forum #723 (Page 231/642)

1. Self-start after the turbine stops! ! ! - HCBBS Forum
2. Simulation of propylene+ethylene cascade refrigeration cryogenic box - HCBBS Forum
3. Safety Technology Exchange Edition: Daily Question (2016.6.17) - HCBBS Forum
4. 【Daily Question】June 14, 2016 – Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
5. 【Weekly Topic】【Electrical Edition 20160613】 - HCBBS Forum
6. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 17th - HCBBS Forum
7. Latest version of EN12516-1 standard - HCBBS Forum
8. Where does safety execution capability come from? That’s how frontline safety managers do it! - HCBBS Forum
9. Flange standards - HCBBS Forum
10. Hydrogen combustion - HCBBS Forum
11. Hot air cold water heat exchanger - HCBBS Forum
12. 【Daily Question】June 12, 2016 – Participate to earn +2 wealth； +3 to 8 wealth for correct answers - HCBBS Forum
13. Detailed steps for shutting down a large atmospheric and vacuum distillation unit - HCBBS Forum
14. Bearing shell clearance control range - HCBBS Forum
15. Purchase of anti-polymerization agents for the butane removal tower, etc - HCBBS Forum
16. Is a H2 content of this level dangerous at a temperature of over 200 degrees? - HCBBS Forum
17. 【Q&A Question 061】2016.06.20 - HCBBS Forum
18. In daily life, how many kilowatt-hours is one electric unit? - HCBBS Forum
19. 【Daily Topic】【Electrical Edition 20160616】 - HCBBS Forum
20. How many different operating conditions are there for safety valves? ? ? - HCBBS Forum
21. Regarding the random documents returned by the general contractor, which ones are necessary? Is there a list or catalog of these random documents? - HCBBS Forum
22. How to estimate the exhaust volume for the treatment of organic waste gases? - HCBBS Forum
23. I have a question regarding PKS reports - HCBBS Forum
24. 【Daily Topic】【Civil Engineering Version 20160620】 - HCBBS Forum
25. Is it necessary to install a toxic gas alarm for acraldehyde? - HCBBS Forum
26. Installation of gas detectors on pipelines - HCBBS Forum
27. Modification of time in ABB AC800M DCS system - HCBBS Forum
28. Is the static ground connected to a separate grounding terminal? - HCBBS Forum
29. Newcomer to wastewater treatment seeking help - HCBBS Forum
30. Haichuan Coin Freelancer Request: Proceedings of the 2015 China Petroleum Refining Technology Conference - HCBBS Forum
31. How to calculate the minimum operating pressure of existing decarbonization units - HCBBS Forum
32. Which books are mainly needed for the registration and qualification examination guidelines? - HCBBS Forum
33. Fault diagnosis and handling of nitrogen-phosphorus detectors - HCBBS Forum
34. Waste sorting and sewage treatment in rural Germany - HCBBS Forum
35. Downstream product technologies for isobutylene - HCBBS Forum
36. Startup injector for sulfur recovery - HCBBS Forum
37. 【Euro Cup Prediction】Group stage matches on the morning of June 6th: Could Poland be defeated by Northern Ireland? - HCBBS Forum
38. Take proper measures to prevent heat stress and ensure the safety and health of workers - HCBBS Forum
39. Inspection standards for various components of belt conveyors - HCBBS Forum
40. Nitrogen pressure retention design consultation - HCBBS Forum
41. 【Weekly Topic】【Storage & Transportation Version 20160615】 - HCBBS Forum
42. Smoke coming from the socket joint of the coke oven bridge tube - HCBBS Forum
43. Consultation is available for materials that can resist corrosion by dilute sulfuric acid at 200°C, withstand dust erosion, and have good thermal conductivity - HCBBS Forum
44. Request PipeDrop and the corresponding version of PhysProps - HCBBS Forum
45. How to achieve wire-drop retention in STEP7? - HCBBS Forum
46. How to design a combustion scheme for mixed gases such as high-temperature oil-containing steam - HCBBS Forum
47. Are there any drawings for a Y-shaped tee? - HCBBS Forum
48. Yangmei Hengtong MTO project achieves highest level of olefin separation yield - HCBBS Forum
49. Sulfuric acid cracking process - HCBBS Forum
50. 【Purification Daily Question】June 16, 2016 - HCBBS Forum
51. Removal of the insulation layer from the turbine of the MAN Turbine 60,000 air separation unit - HCBBS Forum
52. 【Weekly Topic】【Engineering Version 20160613】 - HCBBS Forum
53. What are the most common production processes for glycerin used in China? - HCBBS Forum
54. Reasons for reduced flow and increased speed in centrifugal pumps - HCBBS Forum
55. What’s the outlook for the instrumentation industry? - HCBBS Forum
56. Construction of Anhui’s 300,000-ton coal-based ethylene glycol DMO plant begins - HCBBS Forum
57. Which are the manufacturers of diesel electro-refining? Those who know, please reply - HCBBS Forum
58. Problem with sudden discharge in high-pressure differential pipelines? - HCBBS Forum
59. Condenser vacuum! - HCBBS Forum
60. Filter area - HCBBS Forum
61. What is the water dumping time for cold coking water in a coking unit? - HCBBS Forum
62. Override control - HCBBS Forum
63. Calculation of hydrogen vent pipe diameter - HCBBS Forum
64. 【First-Class Constructor Project Management Practice Questions】029 Correction of Incorrect Non-Dick Quotations - HCBBS Forum
65. Applications of SS347 material - HCBBS Forum
66. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene in 15 days - HCBBS Forum
67. Current Status and Development Trends of Optimization Technologies in the Global Refining and Petrochemical Sector - HCBBS Forum
68. Is it good to drink ice beer? - HCBBS Forum
69. jacket water - HCBBS Forum
70. 【Daily Topic】【Civil Engineering Version 20160611】 - HCBBS Forum
71. Emergency response measures for fires caused by leaks in mechanical pumps - HCBBS Forum
72. Processes or plants with high propane production - HCBBS Forum
73. Temperature and vacuum in the regeneration tower - HCBBS Forum
74. Discussion on oxygen pipeline installation - HCBBS Forum
75. The diameter of the inlet flange of the centrifugal pump is larger than that of the inlet pipeline - HCBBS Forum
76. What valves are needed for oil projects? - HCBBS Forum
77. Introduction Post for the HaiChuan Chemical Forum (Draft) - HCBBS Forum
78. [Picture of the Day] 2016 06 14 What is the equipment in this picture? - HCBBS Forum
79. Help needed regarding issues with acetylene mist eliminators - HCBBS Forum
80. Grain size requirements for steel plates - HCBBS Forum
81. Issues regarding the translation of several automation-related terms in AutoCAD Plant P&ID - HCBBS Forum
82. Research on the Development of a New Functional Question Bank Examination System - HCBBS Forum
83. How are the heights of the three-valve assembly in the high-level oil sump of the turbine and the oil return sight glass determined? - HCBBS Forum
84. c5c6 isomerization - HCBBS Forum
85. Phyrrhodine for the detection of iron ions in the environment - HCBBS Forum
86. Follow-up | Jutai’s valuation suffers a hit as Zaozhuang Mining’s olefin project takes precedence - HCBBS Forum
87. Converting coal slurry to hydrogen - HCBBS Forum
88. 【Daily Topic】【Engineering Version 20160620】 - HCBBS Forum
89. It is a tower device in which the medium contains 5% dilute sulfuric acid. How should this equipment be treated to prevent corrosion by dilute sulfuric acid? - HCBBS Forum
90. What is the difference between regulation and linkage? How should one distinguish them? ? - HCBBS Forum
91. Child, whether you do well or poorly on the exam, mom is waiting for you to come home for dinner - HCBBS Forum
92. Comparison of plate heat exchangers and shell-and-tube heat exchangers in terms of cost, pressure drop, and K value - HCBBS Forum
93. Identify devices from pictures - HCBBS Forum
94. 【Idiom Chain】Episode 6.14 is off! Welcome to the siege! - HCBBS Forum
95. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 14th - HCBBS Forum
96. Environmental Protection Tip of the Day – June 12: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
97. Dear sea friends, a discussion on the issue of shutting down the high-pressure heat exchanger in hydrogenation units for water flushing. - HCBBS Forum
98. What is the fate of the gas phase from the methanol-water separation tube before the methanol-water separation tower? - HCBBS Forum
99. Precautions for operating a reboiler - HCBBS Forum
100. 【Daily Question】Principles of Chemical Engineering 385: Water Pumps (June 15) - HCBBS Forum