English — Forum #723 (Page 546/642)

1. How to determine the safety distance between the tubular furnace used for heating in coal tar deep processing plants and the production equipment - HCBBS Forum
2. 【Weekly Topic】- Coagulation sedimentation methods and reagent selection - HCBBS Forum
3. The E+H radar level gauge provides inaccurate level readings - HCBBS Forum
4. What factors should be considered in the design or selection of tower equipment? - HCBBS Forum
5. I have some questions regarding LNG receiving stations and would like to ask the experts for help. - HCBBS Forum
6. Steam control method - HCBBS Forum
7. Programming - HCBBS Forum
8. What does this mean? ? ? Help needed - HCBBS Forum
9. Accident Handling 21: What are the consequences of thermal deformation of the partition wall in the return feeder of a circulating fluidized bed boiler? - HCBBS Forum
10. Looking for a manufacturer of dry dust removal systems for gasification - HCBBS Forum
11. The issue of preventing pipeline freezing in winter - HCBBS Forum
12. Where is the best place to add the catalytic oil slurry scale inhibitor for optimal effect? - HCBBS Forum
13. August 31: Boiler Foundation Questions 16 – Term Explanations: (A certain score will be given to the top 30) - HCBBS Forum
14. What material is good for 20MPA at 550 degrees? - HCBBS Forum
15. Five key strategies for crane maintenance - HCBBS Forum
16. Step 7: Install the software for Win7 64-bit Ultimate Edition - HCBBS Forum
17. Looking for manufacturers of deoxygenation catalysts? Used to remove 0.3% oxygen from raw gas - HCBBS Forum
18. Issues with use and manufacturing of spiral plate heat exchangers with two inlets and two outlets - HCBBS Forum
19. Aerodynamic properties of butterfly valves - HCBBS Forum
20. How to set the upper and lower limits for a combustible gas alarm - HCBBS Forum
21. How to deal with excessive pulsation in reciprocating pumps! ! - HCBBS Forum
22. Crude benzene has a high chlorine content - HCBBS Forum
23. Selection of sand pumping pumps - HCBBS Forum
24. ASME Volume 8, Book 2 - HCBBS Forum
25. Calcium hydroxide contains impurities and appears gray; how to remove the discoloration? (Seeking help) - HCBBS Forum
26. How to install EDR for heat exchanger calculations in Aspen V7.3 - HCBBS Forum
27. Comparison between China University of Petroleum (Beijing) and China University of Petroleum (East China) - HCBBS Forum
28. Questions regarding safety exits and evacuation exits - HCBBS Forum
29. Conversion of a fixed-bed batch gas generator into a continuous oxygen-based gas production system - HCBBS Forum
30. Chemical Engineering in Everyday Life – Question 46: What can chemical engineers do to prevent people from going hungry in the event that there is no food available? - HCBBS Forum
31. Sign-in record post from August 29, 2015 - HCBBS Forum
32. Boiler Foundation Questions 10: Term Explanations: (A certain score will be given to the top 30) - HCBBS Forum
33. Briefly describe a typical reverse osmosis treatment system? - HCBBS Forum
34. Boiler Foundation Questions 12: Glossary Explanations: (Certain points will be awarded to the top 30) - HCBBS Forum
35. What are the causes of poor liquid flow at the bottom of a packed tower? - HCBBS Forum
36. What are the standards for water used in laboratories? - HCBBS Forum
37. How is equivalent conversion done for ethylene oxide and ethylene glycol? - HCBBS Forum
38. Process of primary and semi-primary crude oil gathering and transportation stations - HCBBS Forum
39. What material is suitable for the air preheater in a heating furnace? - HCBBS Forum
40. Pro II pressure unit setting - HCBBS Forum
41. The professional life of chemical industry workers – The difference between raising sons or raising pigs, and those who raise pigs - HCBBS Forum
42. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 160 - HCBBS Forum
43. July 2015 Outstanding Original Technology Theme Selection Contest — Voting Post - HCBBS Forum
44. Chemical Engineering in Daily Life – Question 30: How do North American Indians make maple syrup? Standard answer already available - HCBBS Forum
45. How to hand over a cold pump for maintenance - HCBBS Forum
46. Prevention of thermal expansion in gear pumps - HCBBS Forum
47. What is the common form of the drain outlet for underground tanks? - HCBBS Forum
48. To increase the pH value of the desalinated water and determine the amount of ammonia to add, how is this calculated? - HCBBS Forum
49. 【Daily Question】August 30: Methods for identifying leaking tubes in the external heat exchanger of a catalytic cracking unit - HCBBS Forum
50. Cooling capacity issues of expansion compressors - HCBBS Forum
51. What considerations should be taken regarding the use and storage of chemical reagents? - HCBBS Forum
52. Issues related to the startup of shielded pumps - HCBBS Forum
53. Issues with the inspection of pipeline flame arresters - HCBBS Forum
54. Utility Incentive: Enter the incentive received for each HP or kW of motor power - HCBBS Forum
55. Let’s discuss the issues related to maintenance! - HCBBS Forum
56. How to use a falling film evaporator in Aspen Plus? - HCBBS Forum
57. How to overcome burnout at work - HCBBS Forum
58. What is the price ranking of 904L and 2205, as well as alloy stainless steel grade 20? - HCBBS Forum
59. Looking for \"Guidelines for Offshore Oil Engineering Design – Volume 13\" - HCBBS Forum
60. Are there tower-type containers and storage containers for high-pressure vessels? - HCBBS Forum
61. Is the design for 160,000 tons or 180,000 tons? - HCBBS Forum
62. I also want to ask, how is chromium-molybdenum steel classified by grade? - HCBBS Forum
63. How should the feeding pumps for buried tank groups be arranged? - HCBBS Forum
64. Note: Real exam questions from 2012, Knowledge section, afternoon session, question 21 - HCBBS Forum
65. \"National Marine Functional Zone Planning\" – Scale to be controlled in two major marine areas - HCBBS Forum
66. Sign-in record post from August 23, 2015 - HCBBS Forum
67. There are questions regarding the catalyst - HCBBS Forum
68. Problems with hose connectors at public stations - HCBBS Forum
69. What are the three key components to pay attention to when using an explosion-proof crane? - HCBBS Forum
70. Security protocol - HCBBS Forum
71. Do methanol loading and unloading operators need to obtain certain professional qualification certificates? - HCBBS Forum
72. I wonder if anyone who is planning to take the registered power engineer professional exam has enrolled in any training courses? - HCBBS Forum
73. 【Daily Question】Question from Issue 20150821 - HCBBS Forum
74. 【Daily Question】 August 21: What type of steam is used to purge air from the coke tower? ? - HCBBS Forum
75. ASME U license authenticity verification - HCBBS Forum
76. Reading of keyword files - HCBBS Forum
77. Boiler Basics Question 13: Term Explanations: (A certain score will be given to the top 30) - HCBBS Forum
78. Is there a relationship between the steam space of a steam boiler and the water volume of the boiler? - HCBBS Forum
79. What are the combustion components of a heating furnace? - HCBBS Forum
80. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 287 - HCBBS Forum
81. Is deoxygenated water at 3.8 MPa in a liquid or gas state at 190°C? - HCBBS Forum
82. Accident Handling 29: What are the consequences of wear on the one-way air caps in circulating fluidized bed boilers? - HCBBS Forum
83. Can the number of trays in a distillation column be optimized in Pro/II? - HCBBS Forum
84. Chemical Engineering in Daily Life – Question 79: If the density of water were less than that of ice, would there still be any people on Earth? - HCBBS Forum
85. A double saddle is considered unqualified even if a triple saddle passes the test. . . - HCBBS Forum
86. Fire protection distance between the elevated torch and the red line of the plant area - HCBBS Forum
87. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 291 - HCBBS Forum
88. I would like to ask what kind of instruments are typically used in factories that produce pesticide intermediates? - HCBBS Forum
89. Sign-in record post from August 22, 2015 - HCBBS Forum
90. Daily Question 2015.8.24 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (multiple-choice question) - HCBBS Forum
91. Steam usage time - HCBBS Forum
92. Need help with two questions? - HCBBS Forum
93. What is the reason for the reduction in diameter of the centrifugal pump inlet pipe? - HCBBS Forum
94. What is the difference between a plain lifting lever and a packed lifting lever in a safety valve handle? - HCBBS Forum
95. Regarding the issue of exhaust gas absorption after the rupture disc explodes - HCBBS Forum
96. Expansion joints for chemical processing units - HCBBS Forum
97. Uses of Labview - HCBBS Forum
98. The upward trend in housing prices in first- and second-tier cities is currently dominant” - HCBBS Forum
99. Safety barrier power distribution issues - HCBBS Forum
100. Have you all used the 3-12-9 method for the clock approach of laser alignment devices? - HCBBS Forum