English — Forum #723 (Page 414/642)

1. Judge right or wrong - HCBBS Forum
2. Some translations, please help, experts! - HCBBS Forum
3. The coking problem in the gasification furnace at Xinjiang Qinghua has been basically resolved - HCBBS Forum
4. Chemical DCS system brands - HCBBS Forum
5. 【Picture of the Day】12.18 Take a look: what device is shown in this picture? - HCBBS Forum
6. Fractionating tower, temperature, pressure - HCBBS Forum
7. Life is just one burden after another - HCBBS Forum
8. Requirements for the purity of brine in ion-exchange membrane caustic soda production - HCBBS Forum
9. 【Daily Question】12.24 Requirements for boiler deaeration (3 wealth points for a reply + additional 3–8 wealth points if the answer is correct) - HCBBS Forum
10. Optimized operation of the high-pressure system for urea production by carbon dioxide stripping method - HCBBS Forum
11. The bioreactor produces a large amount of white foam - HCBBS Forum
12. Precautions for inspecting vaporized chilled water pumps - HCBBS Forum
13. Freezing issue when running DBR amine package in HYSYS - HCBBS Forum
14. Bought two goldfish - HCBBS Forum
15. Standards for accepting device noise levels - HCBBS Forum
16. The mechanical seal code is C2A1A32 - HCBBS Forum
17. How to select slings - HCBBS Forum
18. 【Joint Study*】【HVAC Version 20151223】 - HCBBS Forum
19. For liquids that are easy to vaporize or evaporate, such as liquid nitrogen, LNG, and sulfuric acid, how are their standard cubic volumes converted into regular cubic volumes? - HCBBS Forum
20. Sign-in record post dated December 21, 2015 - HCBBS Forum
21. What kind of gas flow meter is the cheapest? - HCBBS Forum
22. Newbie seeking help: commissioning of a chemical plant - HCBBS Forum
23. Issues regarding non-destructive testing of the surface of end caps - HCBBS Forum
24. 【Daily Topic】【Live Version 20151224】 - HCBBS Forum
25. Does anyone have Net Framework 3.5 SP1 64-bit? It’s best if the installation is successful - HCBBS Forum
26. Can the bromine value of the fluid stream be determined during oil simulation in HYSYS? - HCBBS Forum
27. For coal mining, direct coal liquefaction, indirect liquefaction, etc., what is the approximate water consumption per unit of coal? - HCBBS Forum
28. LPG desulfurization - HCBBS Forum
29. 【Daily Question】December 27, 2015 – Boiler Basics True/False Questions (Top 50 responders receive +3 wealth points; those who get it right earn an additional +3 to +8 wealth points) - HCBBS Forum
30. Operation process parameters for nicotinic acid production - HCBBS Forum
31. Aspen v 7.2 – property estimation: The molecular structure has been drawn, but it is not possible to calculate information regarding the chemical bond structure - HCBBS Forum
32. 【Daily Question】12.21 Term Explanation: Prestressed Concrete - HCBBS Forum
33. Seek a plan for idling a single coke oven - HCBBS Forum
34. Slag port pressure difference and syngas CO content - HCBBS Forum
35. Wireless high-voltage clamp ammeter for measuring high-voltage current - HCBBS Forum
36. Focus and Controversy: For Health and Environmental Protection, MTBE Should Be Banned or Restricted from Use in Gasoline - HCBBS Forum
37. 【Daily Question】12.27 Term Explanation: Turbidity - HCBBS Forum
38. Effect of pipe diameter change on the measurement of Yokogawa vortex flowmeters - HCBBS Forum
39. Development trends of catalytic cracking - HCBBS Forum
40. Why did Shell’s acquisition of BG receive unconditional approval from China’s Ministry of Commerce? - HCBBS Forum
41. Find the reasons for the excessive white core in polypropylene granules and the solutions - HCBBS Forum
42. Solutions to two senior reformation technician exam questions - HCBBS Forum
43. 【Daily Question】December 18, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers - HCBBS Forum
44. Medium-pressure reactor in hydrogen production plant - HCBBS Forum
45. Urgent help needed: mechanical impurities - HCBBS Forum
46. Essential life tips for expectant mothers: Ways to help children quickly recognize colors - HCBBS Forum
47. Leakage at the centrifugal pump shaft sleeve - HCBBS Forum
48. Mechanical seal - HCBBS Forum
49. Location selection for laboratories (high-pressure reactions using Class A substances) - HCBBS Forum
50. Can a 100% RT test be used as a substitute for a helium leak test? - HCBBS Forum
51. Environmental Protection Daily Quiz: December 18 – Participate for prizes; 3 correct answers and you’ll get another 3 as a reward - HCBBS Forum
52. 【Daily Question】12.23 Multiple-choice Question: A process flow diagram includes ( ) - HCBBS Forum
53. ““How to measure the dielectric constant of diesel with a density of 0.93 and water with a density of 1?” — Answer from Leit user - HCBBS Forum
54. The significance of pipeline size classes - HCBBS Forum
55. There is a project that urgently needs piggybacks; may I ask which company can provide them for rent? Thank you! - HCBBS Forum
56. The Ministry of Environmental Protection has once again accepted the environmental impact assessment for Lu’an’s 1.8 million tons per year coal-to-oil project - HCBBS Forum
57. The issue of fire separation distances - HCBBS Forum
58. How often should the excess sludge in a high-density sedimentation tank be removed, and how can one determine whether it is time to do so? - HCBBS Forum
59. Environmental Protection Daily Quiz 12.27: Participate for prizes; 3 correct answers and you’ll get another 3 as a reward - HCBBS Forum
60. Civil Engineering Structure Discussion Area ---- [Daily Question] Question from the 20151225 issue - HCBBS Forum
61. Civil Engineering Structure Discussion Area ----【Daily Question】Question from the 20151227 issue - HCBBS Forum
62. Choose a low-flow pump - HCBBS Forum
63. 【Daily Question No. 81】December 22, 2015: +2 wealth for participation, plus another +3 to +8 wealth for correct answers - HCBBS Forum
64. How does the tower temperature change when the pressure at the top of the distillation tower changes? - HCBBS Forum
65. Metal gasket pressure rating - HCBBS Forum
66. Can ethanol-blended gasoline fundamentally solve the problem of smog? - HCBBS Forum
67. Catalytic device - HCBBS Forum
68. How many coal-to-natural gas projects are currently in operation in the country? - HCBBS Forum
69. 【Daily Question】12.21 Methods to prevent crevice corrosion (Reply +3 points; correct answer adds another +3–8 points) - HCBBS Forum
70. 【Picture of the Day】12.27 What device is shown in this picture? 10 wealth for those who answer correctly - HCBBS Forum
71. In what situations are wire level gauges used? - HCBBS Forum
72. ion membrane electrolysis - HCBBS Forum
73. Reduce the water pressure in the heat exchanger - HCBBS Forum
74. Haichuan, a great forum - HCBBS Forum
75. The impulse to commit crime - HCBBS Forum
76. Zhang Yunfang applies for〖Haichuan Technician〗 - HCBBS Forum
77. puzzled at a crossroad - HCBBS Forum
78. 【Daily Question】Chemical Engineering Principles 275: Boiler Feed Water Quality Control (December 26) - HCBBS Forum
79. For the oxidation of cyclohexane to **, is uncatalyzed oxidation or catalyzed oxidation mainly used? - HCBBS Forum
80. Inner tank of asphalt tank - HCBBS Forum
81. Emergency help! ! ! ! ! ! - HCBBS Forum
82. 20151226 One question per day - HCBBS Forum
83. Regarding Ba products, issues with flow rate and density! - HCBBS Forum
84. What are the uses of periodic blowdown expansion tanks and continuous blowdown expansion tanks? - HCBBS Forum
85. The issue of setting alarm points for toxic flammable gases - HCBBS Forum
86. Measurement methods for 20KV high-voltage current - HCBBS Forum
87. Seeking help from all the experts in instrumentation - HCBBS Forum
88. Does HTRI have a vibration model? - HCBBS Forum
89. Regarding reboiler design - HCBBS Forum
90. Questions regarding the selection of on-site level gauges for liquefied hydrocarbon spheres - HCBBS Forum
91. How can a vertical pump’s packing seal be replaced with a mechanical seal? - HCBBS Forum
92. Regarding the cleaning of pH meters in protein factories - HCBBS Forum
93. Sign-in record post from December 20, 2015 - HCBBS Forum
94. Who has the relevant specifications for connecting rings with bolts? - HCBBS Forum
95. Closed cooling circulation system - HCBBS Forum
96. Should I choose DCS or PLC? - HCBBS Forum
97. Weekly topic: 5 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 242 - HCBBS Forum
98. Judge right or wrong - HCBBS Forum
99. Requesting help from experts to upload a clearer version of Principles and Technologies of Chemical Energy Conservation (3rd Edition) - HCBBS Forum
100. Advantages and disadvantages of Yokogawa SIS: Prosafe - HCBBS Forum