English — Forum #723 (Page 394/642)

1. Have you come across such merchants? - HCBBS Forum
2. Cooling effect of air coolers - HCBBS Forum
3. Actions speak louder than words - HCBBS Forum
4. Expansion joint tie rod - HCBBS Forum
5. Flange bolt issue - HCBBS Forum
6. Looking for manufacturers of water ring vacuum pumps - HCBBS Forum
7. After all, we are safety inspectors - HCBBS Forum
8. How to determine the identity of hydrazine hydrate - HCBBS Forum
9. Coking unit, product yield - HCBBS Forum
10. Should flame arresters be installed on the breather valve of the acidic water tank and on the vent line that comes out of the deodorization tank? - HCBBS Forum
11. Will the registration exam for chemical engineers still be held in 2016? - HCBBS Forum
12. 【Daily Question】 January 4, 2016 True or False Question - HCBBS Forum
13. For those who write articles on safety, are the things related to safety condition reviews things like pre-evaluation reports? - HCBBS Forum
14. Explosion protection rating: Zone II, Class B, Group T4 - HCBBS Forum
15. Which company has the technology for producing hydrogen using PSA on 50 kilograms of gas after low-temperature methanol washing? - HCBBS Forum
16. This year, I saw a CBA foreign player named Beasley. Do you know what that name means? - HCBBS Forum
17. 【Daily Question】Chemical Engineering Principles 278: Mixed Bed (December 29) - HCBBS Forum
18. Haichuan Gratitude Season--My “Mentors”【Workplace Section 009】 - HCBBS Forum
19. The issue of deep pulling under reduced pressure - HCBBS Forum
20. Several conceptual questions on heat transfer - HCBBS Forum
21. 【Daily Question No. 92】January 7, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
22. When 95% alcohol and 99% alcohol are mixed together - HCBBS Forum
23. Equipment management responsibility system - HCBBS Forum
24. 【Daily Topic】【Electrical Edition 20151228】 - HCBBS Forum
25. When starting a 10kV high-voltage motor, the voltage drop is too large – is the motor safe? - HCBBS Forum
26. The versatile Haichuan Network – does anyone know in which industries turbines are used, and which customer groups they are suitable for? - HCBBS Forum
27. How should fixed asset inventory be conducted? - HCBBS Forum
28. So there are also registered assistant safety engineers – have you heard of them?~~ - HCBBS Forum
29. Why is LPG C2 always unqualified? - HCBBS Forum
30. 213 What is the Dishwashing Effect from “Haichuan Irrigation Co., Ltd. Convenience Store”? - HCBBS Forum
31. I hope the expert can help explain what the abbreviations of the gasket letters mean - HCBBS Forum
32. Is it necessary to install a dryer at the rear end of the air compressor? - HCBBS Forum
33. New policies introduced regarding food safety; green packaging becomes a key focus - HCBBS Forum
34. Separation of methane and carbon monoxide - HCBBS Forum
35. The influence of propylene impurities on the polypropylene production process - HCBBS Forum
36. How to install PTFE gaskets to avoid issues such as damage or leakage - HCBBS Forum
37. Seeking help with valve selection - HCBBS Forum
38. 【Daily Question】 January 19: The outlet pipeline of the radiation pump caught fire. Which of the following treatment methods is incorrect? ? - HCBBS Forum
39. 【Daily Question】Jan 2, 2016: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
40. How to adjust and calibrate the level gauge installed in the new project during the joint commissioning - HCBBS Forum
41. 【Picture of the Day】2016 1.4 A new beginning for the New Year – let’s go with something simpler. What are the names and functions of the devices shown in this image? - HCBBS Forum
42. Analysis of the reasons for vacuum formation in shielded pumps - HCBBS Forum
43. What does the safety management department need to prepare at the beginning of the year? - HCBBS Forum
44. Questions about the water-cooled jacket - HCBBS Forum
45. Coal dust transportation procedure - HCBBS Forum
46. 【Joint Study*】【Civil Engineering Version 20160101】 - HCBBS Forum
47. 【Active participation for mutual improvement: 1.9–1.15 – +2 for participation, +3 to +10 for correct wealth】 - HCBBS Forum
48. Is anyone here? - HCBBS Forum
49. Let’s discuss the prospects for the petrochemical industry in the coming years - HCBBS Forum
50. Calculations regarding the Texaco gasifier - HCBBS Forum
51. Drop transfer modes in tungsten inert gas welding - HCBBS Forum
52. How to keep instruments insulated and protected from freezing in winter - HCBBS Forum
53. Dehydration agent mixing ratio test - HCBBS Forum
54. Is water being added to the sulfur condenser? - HCBBS Forum
55. On the reflux temperature and number of trays in staged contact distillation columns - HCBBS Forum
56. CNG pressure reduction skid process - HCBBS Forum
57. Temporary temperature measurement in distillation tower - HCBBS Forum
58. Reasons for high oxygen content in fixed-bed gas generator - HCBBS Forum
59. Water vapor partial pressure and saturated water content in wet hydrogen - HCBBS Forum
60. 【Daily Question No. 61】January 7, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
61. How to handle faults in the switch valves of air separation purifiers - HCBBS Forum
62. How to separate sodium bicarbonate from heavy alcohols (mixtures of ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, water, etc.)? - HCBBS Forum
63. Cavitation in control valves - HCBBS Forum
64. Is anti-corrosion treatment needed for the inner wall of the chimney? - HCBBS Forum
65. Happy New Year 2016 to everyone - HCBBS Forum
66. 【The Growth Journey of a Machine Repair Fitter】Professional Ethics Code 1.1 - HCBBS Forum
67. Lubricating oil system: a few English terms for your help, thank you - HCBBS Forum
68. Who has the training materials for the Skylink pneumatic diaphragm pump? ? ? ? - HCBBS Forum
69. 【Daily Question】2016.01.07 Operating temperature of duplex stainless steel (2 wealth points for a reply; +3–8 wealth points if the answer is correct) - HCBBS Forum
70. Flange heat treatment - HCBBS Forum
71. Issues regarding HIC testing of hydrogen sulfide plates - HCBBS Forum
72. Wishes and thanks in the boiler section; replies with red envelopes - HCBBS Forum
73. 【Daily Question】1.5 Fill-in-the-blank: The solubility of NH3 and H2S in water increases as the temperature rises, and it... as the pressure increases. - HCBBS Forum
74. 【Daily Topic】【Live Version 20160104】 - HCBBS Forum
75. Issues with lifting lugs on tower-type equipment - HCBBS Forum
76. Regarding part-time graduate students - HCBBS Forum
77. Sign-in record post for December 30, 2015 - HCBBS Forum
78. The status of the chlor-alkali industry across the country in 2015 - HCBBS Forum
79. Certification documents for Rosemount pressure sensors - HCBBS Forum
80. Can a pressurized air pipeline increase pressure? - HCBBS Forum
81. 【Daily Question】January 11th: What is the cause of cylinder collision in steam reciprocating pumps? ? - HCBBS Forum
82. Regarding continuous reforming - HCBBS Forum
83. Are there any requirements regarding the wall thickness of the main pipe when using branch pipe bases? - HCBBS Forum
84. Regarding wet acid MER - HCBBS Forum
85. Regarding the installation location of the safety valve - HCBBS Forum
86. Wax boiling scheme for methanol synthesis - HCBBS Forum
87. Is it legal? - HCBBS Forum
88. Discussion on the issue: Given the significant disadvantages associated with coal quality, how do you think it should be managed? - HCBBS Forum
89. Can the diameter of the centrifugal pump’s outlet pipe be smaller than the pump’s outlet? - HCBBS Forum
90. Urgent: Which company uses the Power Wave alkaline cleaning technology? - HCBBS Forum
91. How to connect the primary door and the secondary door - HCBBS Forum
92. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 248 - HCBBS Forum
93. What is a hexane-heptane mixture? - HCBBS Forum
94. Do pressure gauges and thermometers exported to Europe need CE certification? - HCBBS Forum
95. How to read the batch number on Nansteel’s quality guarantee certificate - HCBBS Forum
96. 【Alkylation】Alkylation with sulfuric acid Acid concentration - HCBBS Forum
97. The reaction conditions when starting up hydrocracking with feedstock, as well as the selection of feedstock. - HCBBS Forum
98. The Xiamen Marathon is being streamed live; is anyone watching? - HCBBS Forum
99. Acidity neutralization in the sulfur melting section - HCBBS Forum
100. Applied to be a moderator; application for a dedicated thread remains unanswered for a long time - HCBBS Forum