English — Forum #723 (Page 464/642)

1. Sign-in record post from November 9, 2015 - HCBBS Forum
2. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 354 - HCBBS Forum
3. Distillation tower - HCBBS Forum
4. Everything eventually passes away - HCBBS Forum
5. Fire water connections are provided for the spherical tank - HCBBS Forum
6. Methanol production space velocity - HCBBS Forum
7. Professional classification of flammable and toxic alarm diagrams - HCBBS Forum
8. Key points for customizing children’s wardrobes: Multifunctionality is crucial - HCBBS Forum
9. ASME B31.3-2012 Process Piping Original English Version - HCBBS Forum
10. 【Daily Question】Question from Issue 20151105 - HCBBS Forum
11. Dry Gas Wastewater Section [Daily Question] Summary Post – Updated daily by the moderator - HCBBS Forum
12. Do you know Newbie? - HCBBS Forum
13. 20151110 Daily Question - HCBBS Forum
14. Winter anti-freezing measures have begun - HCBBS Forum
15. What is the liquid-phase reduction absorption method? - HCBBS Forum
16. Winter has arrived; let’s share tips on wastewater treatment in winter. I use a process that combines Fenton’s method, anaerobic treatment, and contact oxidation - HCBBS Forum
17. Pre-employment occupational health examination - HCBBS Forum
18. Pressure drop issue in the butane stripping tower - HCBBS Forum
19. Survey on the Usage of the Large Cover Gasket for the Double-Pressurized *ao Acid Oxidation Furnace - HCBBS Forum
20. Problems with the Samson locator - HCBBS Forum
21. Who has software that charges a fee for calculating domestic plate heat exchangers? - HCBBS Forum
22. Discharge of wastewater from single-tank, single-dike systems - HCBBS Forum
23. Treatment of odors in wastewater sludge drying rooms and odorous exhaust gases released at high altitudes? - HCBBS Forum
24. Is it necessary to install safety valves on both the acidic water stripping tower and the overhead reflux tank? - HCBBS Forum
25. Explore the network of Yokogawa DCS - HCBBS Forum
26. 【Daily Question】11.13 Multiple-choice question: If the air-fuel ratio is too high during sulfur recovery operations, the temperature in the combustion furnace ( ) - HCBBS Forum
27. Starting problems with reciprocating compressors - HCBBS Forum
28. Ask about the coking rich gas compressor - HCBBS Forum
29. Summary post on clean production in the environmental protection section - HCBBS Forum
30. Calculate the liquid density of LNG vaporization components - HCBBS Forum
31. Regarding biomass boilers - HCBBS Forum
32. 【Daily Question】Question from Issue 20151106 - HCBBS Forum
33. Why does the pressure remain unchanged after the pipeline branches? - HCBBS Forum
34. 【Daily Question】November 7, 2015: Boiler True/False Questions (3 wealth points for replying; +3 to 8 additional wealth points for correct answers) - HCBBS Forum
35. Swing check valves and lift check valves - HCBBS Forum
36. How is the absolute value represented in the Yokogawa DCS system? - HCBBS Forum
37. 【Popular Science Tips on Polymers and Materials】--025 Popular Science Tips on Polymer Materials Used in Medical \"Artificial Blood Vessels\" + ljtjbx - HCBBS Forum
38. Shanxi Jinmei Huayu Coal Chemical Co., Ltd - HCBBS Forum
39. Water cooling issue - HCBBS Forum
40. Seek expert explanation on high-performance new hydrogen compressors – stage-based automatic selection control scheme, in detail - HCBBS Forum
41. National methanol production capacity - HCBBS Forum
42. Selection of temperature sensing element? - HCBBS Forum
43. Regarding the Cs137 dosimeter - HCBBS Forum
44. What is the maximum allowable difference between the temperature displayed on the DCS and the temperature shown at the site before it can be considered that the instrument is functioning properly? - HCBBS Forum
45. What issues should be considered in the manufacturing of fiberglass storage tanks? - HCBBS Forum
46. Do you know which refineries and plants have already started producing National V gasoline and diesel on a long-term basis? - HCBBS Forum
47. 【Daily Question】Question from Issue 20151113 - HCBBS Forum
48. Concentration and recovery of spent sulfuric acid - HCBBS Forum
49. National safety inspection: 926 people held criminally liable for safety violations - HCBBS Forum
50. **Administrative cadre rank - HCBBS Forum
51. I would appreciate some guidance on the issue of analysis frequency. - HCBBS Forum
52. Catalyst gauge reading - HCBBS Forum
53. Sign-in record post from November 10, 2015 - HCBBS Forum
54. Are the pressure gauges connected to the inlet and outlet buffer tanks of the compressor and mounted on the dashboard classified as Class A gauges? - HCBBS Forum
55. What do you hope to gain from the Haichuan Quality Technology section? 【Participate and reply for +5 wealth】 - HCBBS Forum
56. Who can you recommend for ice machine manufacturers? - HCBBS Forum
57. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 359 - HCBBS Forum
58. The dilemma over whether to report an injury at work - HCBBS Forum
59. [Catalytic Reforming Section] Post for the Challenge to the Team Leader Activity - HCBBS Forum
60. Our company has two French Cryostar LNG cryopumps, but the pumps do not generate pressure as liquid flows from the LNG storage tank in the direction of loading. - HCBBS Forum
61. The interpretation of the NB/T47003.1-2009 standard \"Steel Welded Atmospheric Pressure Vessels\" refers to the P160 position, with combined vertical and horizontal reinforcement... - HCBBS Forum
62. Why cannot steel and aluminum radiators be used simultaneously in the same hot water system? - HCBBS Forum
63. Is it better to work with instruments or to be involved in process operations? - HCBBS Forum
64. (Basic knowledge) How many main types of circulating fluidized bed boilers are there? - HCBBS Forum
65. Corrosion-resistant materials for heat exchangers - HCBBS Forum
66. Selection of solenoid valves? - HCBBS Forum
67. Flow meter error - HCBBS Forum
68. Let’s come in and talk about our experiences shopping during Double 11 - HCBBS Forum
69. Is a single-line diagram necessary? - HCBBS Forum
70. One question per day (multiple choice) - HCBBS Forum
71. Differences in the geometric structure of pipe segments during simulation in the pipeline - HCBBS Forum
72. Alarm for reciprocator piston rod descent - HCBBS Forum
73. Discussion on the location for adding ammonia water in the desulfurization tower - HCBBS Forum
74. Cost of stainless steel storage tanks - HCBBS Forum
75. Everyone, take question 57-2: multiple-choice questions 35-36 from the 2015 First-Class Constructor Examination in Project Management; there will be a reward for those who answer correctly - HCBBS Forum
76. Issues regarding the selection of motor explosion protection ratings when operating in environments with both explosive gases and dust - HCBBS Forum
77. Under what circumstances is a settler required for a differential pressure flow meter? - HCBBS Forum
78. The Defense of the Evaporation Ponds - HCBBS Forum
79. Issues related to design changes in civil engineering construction - HCBBS Forum
80. Method for aligning small couplings - HCBBS Forum
81. How to determine whether a flame arrester for a medium should be of the blast-proof type or the fireproof type? - HCBBS Forum
82. Mixed oil transportation - HCBBS Forum
83. Home Life Edition Debate Thread, Issue 36: Should one follow the health tips shown on TV and put them into practice? - HCBBS Forum
84. Newbie seeking advice on the design pressure for oxygen pipelines - HCBBS Forum
85. My wife criticized me while singing a lullaby - HCBBS Forum
86. Recruitment for chemical companies - HCBBS Forum
87. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for those who participate； Question 215 - HCBBS Forum
88. The structural forms of spherical tanks are segmental and hybrid types. How to choose between them, and what are their respective advantages and disadvantages? - HCBBS Forum
89. Environmental Protection Daily Quiz: November 10 – Participate for prizes; 3 correct answers earn an additional 3 prizes - HCBBS Forum
90. Why can’t the water purification self-priming pump draw water in? - HCBBS Forum
91. U-tube heat exchanger - HCBBS Forum
92. 【Daily Question】Question from Issue 20151112 - HCBBS Forum
93. 【Daily Question】Question from 20151116 - HCBBS Forum
94. I have 8 years of experience in chemical engineering design; I’m currently in Xi’an. Are there any good job opportunities? - HCBBS Forum
95. Is pre-sedimentation required for primary brine purification before feeding it into the ceramic membrane? - HCBBS Forum
96. Newbie seeking help: What is the difference between NEU and DEU in shell-and-tube heat exchangers? - HCBBS Forum
97. What is the main difference between atmospheric pressure vessels and pressure vessels? - HCBBS Forum
98. Please ask an expert to solve it - HCBBS Forum
99. The issue of preparing product test plates individually under low-temperature and low-stress conditions - HCBBS Forum
100. 【Weekly Topic】A cold wave is approaching – how should we address the crises in the chemical industry? - HCBBS Forum