English — Forum #723 (Page 499/642)

1. Is it okay not to use a pipe fitting on the flange of a pressure vessel? - HCBBS Forum
2. As an employee in a chemical plant, what rights do you have regarding safe production? - HCBBS Forum
3. 【Daily Question】Question from Issue 20151012 - HCBBS Forum
4. On the current status of gasification ash water treatment! - HCBBS Forum
5. Profit of Shandong’s MTBE plants in September - HCBBS Forum
6. How to calculate the heat exchange area of a water bath heat exchanger - HCBBS Forum
7. Is it true that the watering method for cooling towers can only be drip type? - HCBBS Forum
8. I’m looking for some information on steam turbines. - HCBBS Forum
9. Solving with DCS technology - HCBBS Forum
10. Aspen Plus or Aspen Hysys? - HCBBS Forum
11. [Information Promotion Section] Discussions on establishing a purchase inquiry section - HCBBS Forum
12. Can a detachable plate heat exchanger (with condensation function) be used for heat exchange with low-pressure steam (connected to a vacuum pump)? - HCBBS Forum
13. I’ll ask you eight questions to help you wake up right away - HCBBS Forum
14. Regarding Cut/Blend in the Oil Manager process, what is the purpose of this process? - HCBBS Forum
15. Load analysis of the frame columns and supports of the air cooler - HCBBS Forum
16. The issue of shift work for the trial production staff involved in hydrogen production - HCBBS Forum
17. Sign-in record post from October 12, 2015 - HCBBS Forum
18. There’s a shop for sale at the entrance of the residential complex; I want to buy it but I’m not sure what needs to be done - HCBBS Forum
19. What are the advantages and disadvantages of counterflow towers? - HCBBS Forum
20. Question regarding the number of instrument control points for wet flue gas desulfurization in circulating fluidized bed boilers - HCBBS Forum
21. Looking for a book - HCBBS Forum
22. Can a pressure relief valve reduce static pressure? - HCBBS Forum
23. Who has the Chinese or English version of JIS B8265? - HCBBS Forum
24. 【Daily Question No. 2】October 13, 2015: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
25. Pipelines operating under positive pressure need to withstand short-term negative pressure during the startup vacuum test - HCBBS Forum
26. Daily Question 2015.10.13 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question) - HCBBS Forum
27. A large number of Violation posts have appeared - HCBBS Forum
28. Installation of the compressor small bearing (copper sleeve) - HCBBS Forum
29. Steam injection into coking heaters - HCBBS Forum
30. Types of outriggers for truck cranes and their characteristics - HCBBS Forum
31. How should one report a fire? - HCBBS Forum
32. Seeking the new version of the petrochemical flange standard SH/T3406-2013 - HCBBS Forum
33. Give examples of applications for reverse transmitters? - HCBBS Forum
34. Seeking help regarding error codes for the speed protection card of German Braun appliances - HCBBS Forum
35. Joint Learning*1014: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
36. How should we understand “stand”? - HCBBS Forum
37. Weekend Summary of Shandong Local Refineries - HCBBS Forum
38. 【Daily Question】Question from Issue 20151014 - HCBBS Forum
39. The wet-bulb temperature can represent the lowest temperature to which water can be cooled under local weather conditions, right? - HCBBS Forum
40. 【Daily Question】Question from Issue 20151014 - HCBBS Forum
41. Timeless classic poems born from a divorce decree - HCBBS Forum
42. Questions regarding the hazards of chemical toxicity - HCBBS Forum
43. Oxygen nozzle for carbon monoxide generator - HCBBS Forum
44. On the flue gas trailing problem in ammonia-based desulfurization - HCBBS Forum
45. Regarding the unit of the dirt factor - HCBBS Forum
46. What should be the gap between the two halves of a plum blossom elastic block coupling? - HCBBS Forum
47. I have a question regarding duplex steel 2205 - HCBBS Forum
48. Regarding the question of whether magnetic pumps are affected by external magnetic fields - HCBBS Forum
49. Equipment Corrosion Solution - HCBBS Forum
50. Post-evaluation of chlor-alkali chemical projects - HCBBS Forum
51. Early autumn - HCBBS Forum
52. What is the difference between cavitation and gas entrapment in centrifugal pumps in practice? Thank you - HCBBS Forum
53. Metal pretreatment and its functions - HCBBS Forum
54. New member seeking help: Issue with the gas-liquid separator in the hydrogen main pipeline - HCBBS Forum
55. Why is a liquid redistributor installed in a packed tower? - HCBBS Forum
56. What are the chemical reactions for synthesizing methanol? - HCBBS Forum
57. Technical discussion: For the pump added later, can the foundation be constructed this way? - HCBBS Forum
58. What rules must be followed when using a fully hydraulic truck crane? - HCBBS Forum
59. The seven key golden acupoints in the human body - HCBBS Forum
60. Design requirements for overhead pipeline supports - HCBBS Forum
61. I’m preparing to apply for the Level 1 Certified Fire Engineer qualification - HCBBS Forum
62. Briefly describe waste residue pretreatment technologies. - HCBBS Forum
63. Regarding the analysis of 1,4-butanediol, I’m asking those who have done this work: what components need to be analyzed in product BDO? - HCBBS Forum
64. Environmental Protection Daily Quiz 10.12: Participate for prizes; 3 correct answers and another 3 prizes will be given - HCBBS Forum
65. What are the principles for organizing the timing schedule in pressure swing adsorption? - HCBBS Forum
66. How much heat transfer oil should be added to the thermometer sleeve? - HCBBS Forum
67. Calculation of container safety valves - HCBBS Forum
68. Performance requirements for DCS in different industries - HCBBS Forum
69. Let’s work on Questions 04-2: Multiple-choice questions 18-20 from the 2015 First-Class Constructor Examination on Laws and Regulations - HCBBS Forum
70. What pump is used to transport methyl acetal? The customer needs a self-priming pump - HCBBS Forum
71. Environmental Protection Daily Question 10.7: Participate for a prize; additional rewards for correct answers - HCBBS Forum
72. How to persuade parents to overcome the misconception about betrothal gifts? - HCBBS Forum
73. 【College Activities】044+My Roommates+hamiltontai - HCBBS Forum
74. Topic on material control (second week of October) - HCBBS Forum
75. Installation direction of horizontal water pumps? - HCBBS Forum
76. Stay in a good mood every day~ - HCBBS Forum
77. How to adjust the sulfur content in the gasoline at the top of an atmospheric pressure tower - HCBBS Forum
78. Status of the Process Engineering Department at the Xinjiang Branch of China Ruilin Engineering Company - HCBBS Forum
79. Steam main issue - HCBBS Forum
80. Can ultrasound testing be used for the non-destructive testing of large-diameter pipes? - HCBBS Forum
81. How to input the properties of H2SiF6 in Aspen - HCBBS Forum
82. After major maintenance to replace the molds and cutters in an extrusion granulator, what methods can be used to determine the relationship between the cutter speed and the forward air pressure? - HCBBS Forum
83. Complaining about intermediate professional titles - HCBBS Forum
84. Five years have passed since graduation in the blink of an eye - HCBBS Forum
85. 【Daily Question】10.11 True or False: Air purging method (+20 wealth) - HCBBS Forum
86. In the late autumn season in the Dalian area, why are there cicadas chirping in the trees? - HCBBS Forum
87. Can water containing chloride ions be pumped using polypropylene pumps? - HCBBS Forum
88. Design aspects of hot-wall hydrogenation reactors - HCBBS Forum
89. Daily Report on Alkylated Oils: Market Shows Some Price Drops (20151013) - HCBBS Forum
90. When measuring pressure, at what viscosity level is a flange diaphragm seal required? - HCBBS Forum
91. How should these heat exchanger parameters be selected? Help needed - HCBBS Forum
92. What are the main factors affecting the cooling effect? - HCBBS Forum
93. Do different methods of activated carbon regeneration result in different types of activated carbon? - HCBBS Forum
94. Maintenance of the winter heating system - HCBBS Forum
95. Problems with heating using heat transfer oil - HCBBS Forum
96. What inspections and test operations should be carried out on a crane before it leaves the factory? - HCBBS Forum
97. Hiring Process Engineer-in-Chief - HCBBS Forum
98. Brief description of the technical principles of incineration and thermal decomposition methods in waste residue treatment - HCBBS Forum
99. What kind of cranes can be used in hydropower stations - HCBBS Forum
100. Analysis of the sulfate market trend in September 2015 - HCBBS Forum