English — Forum #723 (Page 364/642)

1. 【Daily Question No. 87】February 22, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
2. One Question per Day on Synthetic Ammonia (Series 10) - HCBBS Forum
3. Will welding on an in-service pipeline burn through it? - HCBBS Forum
4. Newcomer in the industry seeks help – industry standards - HCBBS Forum
5. Happy New Year - HCBBS Forum
6. How should the intersection lines be cut for pipe fitting? - HCBBS Forum
7. How to deal with ice buildup on steam silencers? - HCBBS Forum
8. Consult about non-hydrogenated dewaxing catalysts - HCBBS Forum
9. Methanol distillation has color - HCBBS Forum
10. The issue of replacing the heat exchange medium from cooling water to chilled water - HCBBS Forum
11. 【Daily Question】2016 02 20 True or False Question - HCBBS Forum
12. How does the PSA process separate the following gases - HCBBS Forum
13. Operation and maintenance of compressors in low-temperature environments - HCBBS Forum
14. I’m at work now; let’s work hard - HCBBS Forum
15. 【Daily Topic】【Civil Engineering Version 20160217】 - HCBBS Forum
16. Energy-saving renovation of water pumps using three-dimensional flow technology - HCBBS Forum
17. Grade 2 in primary school - HCBBS Forum
18. Sign in to claim your prize - HCBBS Forum
19. Happy New Year to everyone! - HCBBS Forum
20. No good places for local work available - HCBBS Forum
21. SUB-BD Radar Level Gauge “Precautions for On-Site Installation” - HCBBS Forum
22. 【Daily Question No. 83】February 16, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
23. Boring, boring, boring - HCBBS Forum
24. Happy New Year! - HCBBS Forum
25. . . . . . . . - HCBBS Forum
26. Regarding the setup of daily machinery, materials, and reagent storage areas in chemical and petrochemical plants, as well as common tool cabinets and tool boxes: their necessity and selection... - HCBBS Forum
27. Methanol consumption to produce 1 ton of oil and 1 ton of olefins - HCBBS Forum
28. Happy Sunday! ! ! - HCBBS Forum
29. Temperature and pressure compensation for flow rate - HCBBS Forum
30. The weather is really nice today! - HCBBS Forum
31. First day at work - HCBBS Forum
32. Composition of gas, liquefied gas, dry gas, fuel gas, and gas tank gas - HCBBS Forum
33. May I also ask a question about differential pressure control valves? I hope everyone can help take a look. - HCBBS Forum
34. The function of a capacitor bank - HCBBS Forum
35. How is the steam consumption of a double-effect concentrator calculated? - HCBBS Forum
36. China and the international order - HCBBS Forum
37. 【Weekly Topic】【Storage & Transportation Edition 20160217】 - HCBBS Forum
38. Design qualification - HCBBS Forum
39. Water hammer and water impact - HCBBS Forum
40. 20160214 One question per day - HCBBS Forum
41. Keep working hard! - HCBBS Forum
42. Guoneng Investment allocates 12 billion yuan to launch a new coal chemical project - HCBBS Forum
43. Issues with transmitting multi-point thermal resistors using multi-core cables - HCBBS Forum
44. Working on it....... - HCBBS Forum
45. Are forgings allowed to be repaired by welding? - HCBBS Forum
46. Overload problem of mechanical pumps - HCBBS Forum
47. Experts, please share what materials are used for alcohol pipelines in chemical plants! ! ! - HCBBS Forum
48. hhhhhh Happy 214 - HCBBS Forum
49. Application of HAZOP analysis software - HCBBS Forum
50. Happy New Year - HCBBS Forum
51. Which flow meter to choose for measuring air flow - HCBBS Forum
52. The heat exchanger was put into use after being idle for 4 months, and leakage began to occur after 2 months of use - HCBBS Forum
53. So frustrated - HCBBS Forum
54. double-suction pump - HCBBS Forum
55. The first day after the holiday - HCBBS Forum
56. Latest information on space furnaces - HCBBS Forum
57. Specializing in the production of boiling furnace air caps - HCBBS Forum
58. Ministry of Electric Power, Department of Infrastructure Development [1993] No. 15: Guidelines for Metal Spectral Analysis in Thermal Power Plants - HCBBS Forum
59. 【Joint Study*】【Electrical Version 20160220】 - HCBBS Forum
60. About to go abroad - HCBBS Forum
61. Why is it necessary to control the levels of aromatics and olefins in gasoline and diesel? Thank you. - HCBBS Forum
62. Aspen simulated natural gas mole fraction - HCBBS Forum
63. Daily Report - HCBBS Forum
64. Propylene oxide storage tank design - HCBBS Forum
65. Quality issues with NHD solution - HCBBS Forum
66. I'm back again! ! ! ! - HCBBS Forum
67. A new year, a new beginning! - HCBBS Forum
68. Semi-circular tube jacket - HCBBS Forum
69. inside - HCBBS Forum
70. 【Daily Topic】【Electrical Edition 20160131】 - HCBBS Forum
71. Introduction, Comparison, and Selection of Gas Purification Technologies - HCBBS Forum
72. 【Daily Question】February 3, 2016: Reasons for low tray efficiency (top 50 replies + 2 wealth points; additional 3–8 wealth points for correct answers) - HCBBS Forum
73. Sign in every day - HCBBS Forum
74. One Question per Day on Synthetic Ammonia (Series 3) - HCBBS Forum
75. Project control standards, processes, systems, etc - HCBBS Forum
76. One question per week (January 25 – January 31): Are the raw materials for the main methanation reactor imported? - HCBBS Forum
77. 【Daily Question】Chemical Engineering Principles 303: Steps for Commissioning an Anion Exchange Bed (January 23) - HCBBS Forum
78. Find the density of R22 at a certain temperature and pressure - HCBBS Forum
79. Issues with the installation of the root valve on the equipment? - HCBBS Forum
80. 【Daily Question】2016 1.28 After the hydrogenation catalyst has been loaded, the hydrogenation reactor needs to be （ ）. - HCBBS Forum
81. 【Daily Question】2.9 Fill-in-the-blank: In the benzofuran aldehyde production facility, the safety gas circulation air is first cooled by (), then cooled by (), and subsequently sent to the safety... - HCBBS Forum
82. Wish everyone a happy New Year! - HCBBS Forum
83. I need an expert to help solve the issue regarding the load capacity of the chiller - HCBBS Forum
84. 【Daily Question】2016 1.30 The main measures to increase the hydrogen-to-oil ratio are ( ). - HCBBS Forum
85. Reflux issue in the middle section of the paraffin oil hydrocracking distillation column - HCBBS Forum
86. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 434 - HCBBS Forum
87. On the dosage of phosphorus in biological wastewater treatment - HCBBS Forum
88. On the conversion factor for nitrogen - HCBBS Forum
89. Catalyst screening methods in the petrochemical industry - HCBBS Forum
90. I am ready to embrace new challenges! - HCBBS Forum
91. I have a question regarding the air supply for automatic valves - HCBBS Forum
92. 【Daily Question】2.7 Non-oxidizing acids (3 wealth points for a reply + additional 3–8 wealth points if the answer is correct) - HCBBS Forum
93. 【Picture of the Day】2016 1.27 What is the device in this picture? What are the suspended objects? - HCBBS Forum
94. 【Daily Question】2.12 Corrosion rate of non-oxidizing acids (+3 wealth for replies, +3 to +8 wealth for correct answers) - HCBBS Forum
95. Safety is the greatest joy - HCBBS Forum
96. New Year’s poems—showing true skill - HCBBS Forum
97. 【Daily Question】1.31 Fill-in-the-blank: Water pressure testing is a method in which the testing pressure should be () times the highest operating pressure - HCBBS Forum
98. 【Weekly Topic】【Engineering Version 20160201】 - HCBBS Forum
99. pdsoft solder joint export issue - HCBBS Forum
100. Catalyst unloading - HCBBS Forum