English — Forum #723 (Page 365/642)

1. ★★★Haichuan Thanksgiving Season ★★★ A large-scale member sharing event for the Foreign Languages division - HCBBS Forum
2. What causes the hydrogenated tail oil to be green in color? - HCBBS Forum
3. I have a question; please help - HCBBS Forum
4. 【Daily Question】1.30 Anodic Protection (3 wealth points for replying + additional 3–8 wealth points for getting it right) - HCBBS Forum
5. How to calculate the K coefficient of the EJA910A multivariable transmitter - HCBBS Forum
6. Regarding the difficulty of compressing gases - HCBBS Forum
7. Reasons why a vertical self-priming pump cannot draw in liquid - HCBBS Forum
8. Electric valve - HCBBS Forum
9. May I ask what can be applied to copper hooks to prevent corrosion without it being noticeable that anything has been applied? - HCBBS Forum
10. How is the evaporation area of a triple-effect evaporator determined? - HCBBS Forum
11. With the money spent on this device, how many fruit knives could be bought! - HCBBS Forum
12. 【Heartfelt Words】Safety is the shortest path home - HCBBS Forum
13. Fisher DLC3000 - HCBBS Forum
14. In the chemical industry, regarding the automatic control systems for reaction vessels and the selection of instruments, I would appreciate it if experts could help me out - HCBBS Forum
15. 【Daily Question】1.28 Multiple-choice question: In a dilute acid solution, as the pH value increases, the acidity of the solution ( ) - HCBBS Forum
16. 【Daily Topic】【Civil Engineering Version 20160128】 - HCBBS Forum
17. Default font - HCBBS Forum
18. The impelling ratio of the steam jet pump decreases - HCBBS Forum
19. What is the operating pressure of the decompression tower and the stabilization tower? - HCBBS Forum
20. 【Daily Question】February 2, 2016: Among the following 3 types of trays (first 50 replies + 2 wealth points; additional 3–8 wealth points for correct answers) - HCBBS Forum
21. Can the pre-fluidizing steam in the pre-lift section of the lift pipe be replaced with dry gas? - HCBBS Forum
22. Haichuan Thanksgiving Season--Nothing but gratitude again and again【Petroleum Area 021】 - HCBBS Forum
23. To speak is a skill； Not saying anything is a form of wisdom - HCBBS Forum
24. 0.7 MPa nitrogen - HCBBS Forum
25. Who has the training manual for Hilscher MACS6? - HCBBS Forum
26. 【Weekly Topic】1.25~1.31 Material of oil cooler (automatically +5 wealth for replies; +3-10 wealth for additional wealth analysis) - HCBBS Forum
27. First-hand information from the MVR site - HCBBS Forum
28. Regarding the environmental assessment and acceptance review for renovations, expansions, and new installations? Which aspects need to be reviewed? Please answer the following questions - HCBBS Forum
29. Why is there no discussion on VCM produced by the ethylene method in the PVC AC version? - HCBBS Forum
30. How to treat exhaust gas - HCBBS Forum
31. Regarding fluorinated specialty electronic gases - HCBBS Forum
32. \"Transfer\" to assess the coking market - HCBBS Forum
33. Sign-in record post from February 4, 2016 - HCBBS Forum
34. Are there any experts in the forum who use gas furnaces to burn small coal particles? - HCBBS Forum
35. My Love Never Sleeps – Song of the Everlasting Sunset - HCBBS Forum
36. Is heat tracing required for sulfur-containing dry gas? - HCBBS Forum
37. Sign-in record post from February 1, 2016 - HCBBS Forum
38. Is the industrial wastewater from polyvinyl alcohol gel cotton harmful? - HCBBS Forum
39. Around 3,000 students are seeking recommendations. - HCBBS Forum
40. 【Daily Question】2.4 Fill-in-the-blank: The corrosion of iron by hydrogen sulfide is a （） reaction, and its cathodic reaction equation is （） - HCBBS Forum
41. What should one learn to perform internal operations (DCS operation)? ? ? ? - HCBBS Forum
42. Several methods for renovating wall surfaces in old houses - HCBBS Forum
43. Matters related to the laboratory facilities for gasoline quality upgrades in the country - HCBBS Forum
44. Are there screw conveyors with measurement capabilities? - HCBBS Forum
45. In our company’s reorganization unit, the large cold ammonia compressor has a low exhaust temperature upon startup; loading is prohibited and an energy level alarm is triggered - HCBBS Forum
46. The impact of wastewater with high COD on bacterial strains - HCBBS Forum
47. Eligibility requirements for the Level 2 Constructor exam - HCBBS Forum
48. Urgent issue with liquid nitrogen washing! ! ! ! ! - HCBBS Forum
49. So sad to say goodbye to the last day of vacation! - HCBBS Forum
50. Please discuss the impact of slurry temperature on the stability of the coal slurry - HCBBS Forum
51. What is the purpose of the baffle behind the exhaust gas incinerator? - HCBBS Forum
52. 【Joint Study*】【Electrical Version 20160130】 - HCBBS Forum
53. 【Daily Question】1.25 Equilibrium electrode potential (3 wealth points for a reply, +3 to –8 wealth points for a correct answer) - HCBBS Forum
54. The Haichuan Forum iOS mobile app cannot be installed - HCBBS Forum
55. Modification of chromatography gas supply - HCBBS Forum
56. Environmental Protection Daily Question 1.29: Participate for prizes; 3 correct answers earn an additional 5 prizes - HCBBS Forum
57. Like the “Health and Occupational Health Version”” - HCBBS Forum
58. Methanol Spring Festival topics What should be done if a methanol circulation pump stops suddenly? 2016.02.01---02.07 - HCBBS Forum
59. Intermittent failures of water ring vacuum pumps in winter - HCBBS Forum
60. Do you remember this joke? - HCBBS Forum
61. 【Daily Question】February 2, 2016: The area of the partition groove refers to (first 50 replies + 2 points for wealth; additional 3–8 points for correct answers)... - HCBBS Forum
62. 【Daily Topic】【Quality Version 20160202】 - HCBBS Forum
63. Which one offers better value for money, a First-Class Constructor or a Registered Chemical Engineer? - HCBBS Forum
64. Taking pleasure in others’ misfortunes brings no good - HCBBS Forum
65. Registration for the exam has changed to taking four subjects over four years – what are everyone’s thoughts? - HCBBS Forum
66. Regarding the issue of calculating the cost of distillation columns using Aspen - HCBBS Forum
67. 【Daily Question】Chemical Engineering Principles 314: Low Phosphate Treatment (February 3) - HCBBS Forum
68. 【Daily Topic】【Quality Version 20160201】 - HCBBS Forum
69. Motor start-up - HCBBS Forum
70. I would like to ask everyone about the consequences of water entering a pressure gauge - HCBBS Forum
71. 【Weekly Topic】【HVAC Version 20160205】 - HCBBS Forum
72. Vacuum pump icing issue - HCBBS Forum
73. Oil depot, underground oil tanks, diesel level and penetrant testing device - HCBBS Forum
74. 【Joint Study*】【Electrical Version 20160201】 - HCBBS Forum
75. Oil product cutting - HCBBS Forum
76. 【Daily Topic】【Civil Engineering Version 20160125】 - HCBBS Forum
77. Convert pressure unit Kpa to mmHg - HCBBS Forum
78. Wish you prosperity; may everything go well in 2016 - HCBBS Forum
79. Safety reward system - HCBBS Forum
80. Who can explain in detail the operating procedure when starting up an electrolyzer? ? ? ? - HCBBS Forum
81. Initial injection amount for catalyst sulfiding? - HCBBS Forum
82. Who has Sinopec’s ‘Guidelines for the Processing of Crude Oil with High Chlorine Content’” - HCBBS Forum
83. At what temperature does coking residue start to react? …… - HCBBS Forum
84. Question: Is the service valve a backup valve or a maintenance valve? - HCBBS Forum
85. What are the advantages and disadvantages of the pipeline materials used in chlor-alkali plants? ? ? And the applicable situations for gaskets! - HCBBS Forum
86. Siemens domestic assembly plant - HCBBS Forum
87. Estimated national daily crude steel production and steel PMI - HCBBS Forum
88. 【Daily Question】1.24 Fill-in-the-blank question: When there is a shortage of solvent, it is necessary to ensure first ( ) and ( ) - HCBBS Forum
89. The relationship between several indicators - HCBBS Forum
90. Can a platinum-rhodium thermocouple be inserted into molten steel at 1600 degrees to measure temperature? - HCBBS Forum
91. Regarding the division of labor for electric valve maintenance, what is the situation in your respective organizations? - HCBBS Forum
92. Come to express it today - HCBBS Forum
93. Development of downstream products for methanol - HCBBS Forum
94. 【Daily Topic】【Electrical Edition 20160201】 - HCBBS Forum
95. 【Daily Question No. 75】January 27, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
96. Advantages and disadvantages of prefabricated buildings - HCBBS Forum
97. Gasification - HCBBS Forum
98. Global research and development trends in energy storage technologies - HCBBS Forum
99. 4 miners trapped at the Pingyi gypsum mine have been successfully rescued! - HCBBS Forum
100. How to treat wastewater containing sodium dodecylbenzenesulfonate - HCBBS Forum