English — Forum #723 (Page 49/642)

1. Do pipeline pneumatic tests have advantages over hydraulic tests? - HCBBS Forum
2. On China’s market economy status - HCBBS Forum
3. What is the power consumption of the ASCO 551 series solenoid valves? - HCBBS Forum
4. Living a life on the road - HCBBS Forum
5. Stabilizer - HCBBS Forum
6. 【Beginner’s question】What is the API value of crude oil? - HCBBS Forum
7. Small hydrogen compressor - HCBBS Forum
8. Regarding the heat balance of xylose dissolving in water: how to find the heat of dissolution and specific heat capacity, and how to perform the calculations - HCBBS Forum
9. New employee training discussion - HCBBS Forum
10. Moment-free theory and moment-theory for pressure vessels - HCBBS Forum
11. **The standard requires that the design pressure of the absorption tower shall not be less than 1.0 MPa. Which standard does this standard derive from? - HCBBS Forum
12. [Q&A Question 233] 2016.12.09 - HCBBS Forum
13. Quality standards for carbon black oil - HCBBS Forum
14. Environmental Protection Daily Question (12.17) - HCBBS Forum
15. Stratification of mixed-bed resin with reversed resin layers - HCBBS Forum
16. Stop working overtime! ! ! - HCBBS Forum
17. The Rockets won the game - HCBBS Forum
18. 2017 Safety Engineer Examination Syllabus - HCBBS Forum
19. Chemistry Examination - HCBBS Forum
20. Can the shielding gas in the air separation cold box be discontinued once the air separation unit is operating normally? - HCBBS Forum
21. How is the ferrite content controlled in austenitic stainless steel? - HCBBS Forum
22. A bit of cleverness ruining a promising career (worth reflecting on!) ） - HCBBS Forum
23. New policies for registered safety engineers have been released! ! What should I do if my original certificate has expired? - HCBBS Forum
24. Are you still changing the oil every 5,000 kilometers? A secret that hasn’t been revealed! - HCBBS Forum
25. Sign-in record post dated December 9, 2016 - HCBBS Forum
26. What considerations should be taken when choosing a Datongtong vacuum pump? - HCBBS Forum
27. Rotary kiln - HCBBS Forum
28. Which standards should be used for selecting valves, bolts, gaskets, and flanges? - HCBBS Forum
29. What kind of legs are suitable for large-diameter (5m) vertical tanks? - HCBBS Forum
30. Puzzles encountered in maintaining equipment records - HCBBS Forum
31. Does anyone know where in Huizhou seamless thick-walled pipes and accessories can be purchased? - HCBBS Forum
32. Showed the bonus at the end of 2016 - HCBBS Forum
33. Stability verification of the wall panels and bottom plate of a stationary rectangular container - HCBBS Forum
34. There is indeed a problem with the lack of appropriate climbing tools and safety belt attachment points for work at heights - HCBBS Forum
35. Seeking to purchase secondary zinc oxide - HCBBS Forum
36. Recycling of wastewater from catalytic boilers - HCBBS Forum
37. View: The \"gambler’s mentality\" in work safety is unacceptable - HCBBS Forum
38. Non-existent valve specification sheet - HCBBS Forum
39. Eternal torch light - HCBBS Forum
40. Little devils are tricky; what to do? - HCBBS Forum
41. Find an expert to help transform the strength calculation report prepared by the design institute into the format required for a thesis - HCBBS Forum
42. Carbon dioxide treatment in coal-to-olefins production - HCBBS Forum
43. What should be done when an outdoor trench encounters a cable trench (with a cross-section where avoidance is not possible)? ? - HCBBS Forum
44. What determines the adjustment of the drum’s fixed discharge volume? - HCBBS Forum
45. Are there any short-term jobs that require driving services or technical guidance? - HCBBS Forum
46. Rank the adsorption capacity of molecular sieves for the following substances: water, hydrogen sulfide, carbon dioxide, methanethiol, and ethanethiol. - HCBBS Forum
47. Daily Safety and Fire Protection Question (12.12) - HCBBS Forum
48. How to deal with the fog in Chengdu - HCBBS Forum
49. Looking for CAD 3D video tutorials - HCBBS Forum
50. Hollyland 6.5.2 - HCBBS Forum
51. Catalyst bed caking - HCBBS Forum
52. Abnormal furnace water pH - HCBBS Forum
53. One fire safety question per day - HCBBS Forum
54. Selection of steam traps - HCBBS Forum
55. How to generate a QR code for the quality certificate of pressure vessel raw materials? - HCBBS Forum
56. What are the main reasons for an excess of coke dust in dry quenching? - HCBBS Forum
57. Daily Security Management Technology Question (12.12) - HCBBS Forum
58. 2016-12-16 True or False Question - HCBBS Forum
59. [Daily Question] 20161211 Fill-in-the-blank: The inventory in the stripping section is mainly regulated by the opening degree of ( ). (Easy question)…… - HCBBS Forum
60. Operation issues of the recirculating water side filter - HCBBS Forum
61. Since the calendar came out, I no longer get even the participation value from breaking golden eggs - HCBBS Forum
62. Which expert has encountered surging problems with Hangyang air compressors? - HCBBS Forum
63. What is the relationship between D0 in the support and the nominal diameter DN? - HCBBS Forum
64. 【12-18】Daily Question for Occupational Health Edition - HCBBS Forum
65. What is the permitted concentration of gasoline at the site? - HCBBS Forum
66. Shijiazhuang fog mai - HCBBS Forum
67. Do the plug rings and plug plates on the flange need to be used together? - HCBBS Forum
68. Boiling furnace for burning high-iron ore - HCBBS Forum
69. Spending money recklessly on eggs - HCBBS Forum
70. Who has the latest **standard numbers for static and dynamic equipment? Please send them to me - HCBBS Forum
71. Posting can earn participation points - HCBBS Forum
72. Corrosion protection for desulfurization towers - HCBBS Forum
73. Exchange and discussion on \"Technologies, Equipment, and Applications for the Purification of Phosphogypsum\" - HCBBS Forum
74. Environmental Protection Daily Question (12.12) - HCBBS Forum
75. Titanium corrosion prevention issues - HCBBS Forum
76. Is it necessary to install a filter at the gas holder inlet? - HCBBS Forum
77. Does anyone have a gasoline blending plan? - HCBBS Forum
78. What are the reasons for the increased fouling resistance in the coarse coal gas pipeline at the outlet of the gasifier? - HCBBS Forum
79. 【12-11】Daily Tip for Occupational Health - HCBBS Forum
80. Does degassed liquid sulfur or commercially available qualified liquid sulfur products pose an explosion risk? - HCBBS Forum
81. Registered Safety Engineer - HCBBS Forum
82. Selection of heat exchangers for large temperature differences - HCBBS Forum
83. Pressure gauge - HCBBS Forum
84. Problems with pusher centrifuges - HCBBS Forum
85. Could you help me solve a few problems? - HCBBS Forum
86. USB flash drive data recovery software, free - HCBBS Forum
87. Setting up a debugging room, matters related to the handheld controller 475 - HCBBS Forum
88. This year, the Rockets have performed well; their scoring from the bench against the Thunder **exceeded that of the Thunder itself! The rocket’s bench is deep - HCBBS Forum
89. Regulator 6000psi 1/4npt - HCBBS Forum
90. The height issue of chlorine pipeline supports - HCBBS Forum
91. Can the “topic” for posting be set to “Posts with fewer than 4 characters will not be successful”? - HCBBS Forum
92. What do PV operations, SP operations, and logical operations mean in instruments? - HCBBS Forum
93. RF admittance level gauge - HCBBS Forum
94. Clean coal technology - HCBBS Forum
95. Selection of welding electrodes for welding alkaline desulfurization solutions containing elemental sulfur - HCBBS Forum
96. 【Daily Topic】【Electrical Edition 20161216】 - HCBBS Forum
97. For different media, what is the effective depth of the thermocouple and thermal resistor sleeves inserted into the medium? - HCBBS Forum
98. What is the status of the thiocyanate market? - HCBBS Forum
99. PDsoft single-tube diagram legend - HCBBS Forum
100. Help, what does CACN stand for in chemistry? - HCBBS Forum