English — Forum #723 (Page 529/642)

1. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 170 - HCBBS Forum
2. The pre-sulfidation issue in hydrogenation reactors - HCBBS Forum
3. How to build a tower crane foundation that is sturdy - HCBBS Forum
4. Top-fired converter - HCBBS Forum
5. September 2 Boiler Foundation Questions **Term Explanations: (A certain score will be given to the top 30)** - HCBBS Forum
6. API authentication - HCBBS Forum
7. What are the safety instructions for air separation processes? - HCBBS Forum
8. A casual chat with an old traditional Chinese medicine doctor - HCBBS Forum
9. What does \"four shifts, three rotations\" and \"four shifts, three operations\" mean? - HCBBS Forum
10. Why can’t I find the database for ASPENONE V7.2? - HCBBS Forum
11. 【Daily Question No. 7】September 06, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
12. Solenoid valve selection - HCBBS Forum
13. Explosion at Ruihai Hazardous Materials Logistics Warehouse in Tianjin Port: Discussing how to enhance personal safety awareness - HCBBS Forum
14. The Xinlianxin 28•48 fertilizer project designed by Huisheng Engineering Design was successfully commissioned - HCBBS Forum
15. What is the difference between welding electrodes with J and those without J in special equipment welding projects? - HCBBS Forum
16. How long does a gas filter can be used? - HCBBS Forum
17. Please, experts, offer some guidance! Are low-temperature methanol washing and pressure swing adsorption decarbonization comparable? - HCBBS Forum
18. The precision filter turns red during use - HCBBS Forum
19. Methanol residue Ph - HCBBS Forum
20. How to estimate the evaporation rate in a pressure-reduced structured packing tower - HCBBS Forum
21. PRO/II and EDR data transmission - HCBBS Forum
22. Work at natural gas transmission and distribution stations - HCBBS Forum
23. The tube sheet of the heat exchanger is made of composite plate with partitions; is heat treatment required? - HCBBS Forum
24. Under what conditions is acid added to the anode of chlorine engineering ion-exchange membrane cells? - HCBBS Forum
25. Problems with the mechanical seal of the feed pump in hydrocracking reactions? - HCBBS Forum
26. 【Daily Question】Chemical Engineering Principles 163: Units and physical meaning of thermal conductivity coefficient (September 5) - HCBBS Forum
27. Biochemical method nutrient ratio - HCBBS Forum
28. How to reduce the dissolved non-condensable gases in circulating water? - HCBBS Forum
29. the meaning of bo**n - HCBBS Forum
30. Explains what a steaming basket is - HCBBS Forum
31. 【Weekly Topic】(Forty-two) 2015.9.9 Multiple-choice Question - HCBBS Forum
32. 【Daily Question】Test Issue 20150909 - HCBBS Forum
33. Common troubleshooting methods for slag crushers - HCBBS Forum
34. The water in the fire tank smells bad - HCBBS Forum
35. The adjacent cells should be connected, but they are indeed discontinuous - HCBBS Forum
36. The COD in the end oxidation tank is higher than that in the front oxidation tank - HCBBS Forum
37. The country’s largest coal-to-oil project via indirect liquefaction was successfully commissioned - HCBBS Forum
38. What are the two regulations and one card for process operations? - HCBBS Forum
39. Help request: Content of free silica - HCBBS Forum
40. Is it necessary to weld the seat bolts of the coal lock-down valve for pressurized gasification of pulverized coal? - HCBBS Forum
41. Are there many steam permeable membranes used for moisture (humidity) removal and heavy hydrocarbon removal? - HCBBS Forum
42. What are the common types of gasifiers currently in use? - HCBBS Forum
43. The issue of nitrogen sealing in catalytic gasoline - HCBBS Forum
44. Illegal mining continues despite repeated bans; the Qilian Mountains have become an ecological \"black hole\"” - HCBBS Forum
45. Four coal bins correspond to one coal grinder – how should the weighing feeder be configured? - HCBBS Forum
46. Requirements for the layout of liquid CO2 systems - HCBBS Forum
47. Centrifugal pump pressure gauge - HCBBS Forum
48. Alignment issues of mechanical pumps when changing seasons - HCBBS Forum
49. Materials for high-temperature reactors - HCBBS Forum
50. Reactor vessel connection pipes - HCBBS Forum
51. Books related to evaporation - HCBBS Forum
52. The liquefied gas pump fails to start due to vacuum conditions - HCBBS Forum
53. Regarding the relocation of over a thousand chemical enterprises - HCBBS Forum
54. Urgent! Regarding the calculation method for determining the discharge volume of spherical tanks at different pressures and temperatures! - HCBBS Forum
55. Regarding the safety issues of steam purging during the shutdown of light oil, why isn’t steam purging allowed for gasoline and liquefied gas? - HCBBS Forum
56. Who has the technology to produce Glauber’s salt from the by-products of chlor-alkali production for use in making mirabilite? - HCBBS Forum
57. What are the height requirements for T-shaped brackets? - HCBBS Forum
58. What does the peak time in chromatography mean? - HCBBS Forum
59. Sign-in record post dated September 4, 2015 - HCBBS Forum
60. Seeking help with ABB analytical instrument issues - HCBBS Forum
61. 【Daily Question】 September 2: Is hydrogen sulfide heavier than air? ? ? ? - HCBBS Forum
62. 【Daily Question】September 10: What is the working principle of positive displacement metering pumps? ? ? It works on the same principle - HCBBS Forum
63. Daily Question 2015.9.9 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question) - HCBBS Forum
64. Maintenance of LNG/LPG pipelines - HCBBS Forum
65. Thermostatic valves generally have a relatively slow response time; is it usually necessary to use cascade control during actual operation? - HCBBS Forum
66. Regarding ASTM A694: Carbon and alloy steels for high-pressure transmission equipment - HCBBS Forum
67. Enchi Company is recruiting for a renowned German chemical company: 1 person each for electrical, mechanical equipment, and test plant management, as follows: - HCBBS Forum
68. 【Daily Question No. 9】September 08, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
69. 【Daily Question】Question from Issue 20150908 - HCBBS Forum
70. Why are all the blocks in the S7-300’s DB section gray? - HCBBS Forum
71. Anti-corrosion measures for gas pipelines in refineries - HCBBS Forum
72. Steam-driven pump - HCBBS Forum
73. Regarding Bently’s rotating equipment monitoring system - HCBBS Forum
74. Let’s talk about how to avoid an explosion - HCBBS Forum
75. 【Weekly Topic】Issue of the height of the reduction layer in fixed-bed pressurized gasification - HCBBS Forum
76. The men’s football team plays against the Maldives tonight; stop messing up again - HCBBS Forum
77. Request the complete process for ethyl acetate - HCBBS Forum
78. Selection issues for radar level gauges - HCBBS Forum
79. Reinforced pipe joint - HCBBS Forum
80. Excuse me, please solve it! - HCBBS Forum
81. Variables found in the WINCC interface are those in the DB block, but they cannot be found in the PLC; could such variables be those transmitted over communication? - HCBBS Forum
82. Low-temperature methanol washing absorption tower multi-point differential pressure gauge - HCBBS Forum
83. Is there a delay with the “New Posts” option in the upper right corner of the forum? - HCBBS Forum
84. Construction project contract - HCBBS Forum
85. Another deflagration accident – deflagration occurs at Shandong Binyuan Chemical Co., Ltd - HCBBS Forum
86. Expanding into foreign markets: Another 15,000-ton batch of Ouiqianyuan urea exported abroad - HCBBS Forum
87. Dechlorination of the reforming and regeneration cycle gas - HCBBS Forum
88. Do the designers at the design institute have the right to modify the process package provided by the client? ? - HCBBS Forum
89. Chemistry in everyday life – the corrosion spots on stainless steel kitchen knives - HCBBS Forum
90. Components and contents of syngas - HCBBS Forum
91. Is industrial nitrogen in chemical plants considered hazardous? - HCBBS Forum
92. I have a question regarding fires that occur in centrifugal pumps - HCBBS Forum
93. What is the purpose of a condenser equipped on an evaporator? - HCBBS Forum
94. Questions regarding engineer evaluations - HCBBS Forum
95. Bidding process for high-pressure control valves - HCBBS Forum
96. Water injection in the cavitation protection tube of the water ring vacuum pump - HCBBS Forum
97. I hope a dedicated standards section can be created in the forum - HCBBS Forum
98. A problem in the gas-liquid separator of hg20570 - HCBBS Forum
99. Oxygen pipeline check valve manufacturers - HCBBS Forum
100. 【Daily Question】Issue 20150902 Test - HCBBS Forum