English — Forum #723 (Page 263/642)

1. Environmental Protection Tip of the Day 5.12: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
2. Domestic BDO manufacturers (alkyne aldehyde method) - HCBBS Forum
3. May I ask if the flue gas pipes of the heating furnace can be routed through a ductwork system for long-distance transmission? - HCBBS Forum
4. Small pipe welding method for acetic acid - HCBBS Forum
5. Orifice plate flowmeter flow calculation algorithm - HCBBS Forum
6. 【Daily Question No. 171】May 09, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
7. How should “be lined up” be translated? Help! - HCBBS Forum
8. I would like to ask whether seamless steel pipes can be used in the carbon removal process in ammonia synthesis - HCBBS Forum
9. Are there any friends who work in equipment management? Let’s form a group to exchange experiences - HCBBS Forum
10. The registration period is about to end and I’m facing unemployment – what should I do? - HCBBS Forum
11. Can the compression amount of the mechanical seal be adjusted? - HCBBS Forum
12. Issues with running WinCC screens on virtual machines - HCBBS Forum
13. 【Daily Topic】【Civil Engineering Version 20160514】 - HCBBS Forum
14. Reasons for excessive levels of food-grade carbon dioxide CO - HCBBS Forum
15. I wonder if there are any ultra-high pressure and low temperature safety valves? - HCBBS Forum
16. Seeking assistance with the design of a suspended ceiling for a low-temperature storage tank - HCBBS Forum
17. Reasons for excessively high acid concentration in the purification stage of the sulfur-based sulfuric acid production industry - HCBBS Forum
18. Washing with hydrogen peroxide working solution - HCBBS Forum
19. Regarding the setting of the Henry component in the absorption process - HCBBS Forum
20. 【Daily Question】2016 05 17 Hydrogenation Section Multiple Choice An increase in the reflux flow at the top of the distillation tower leads to an increase in the top temperature... - HCBBS Forum
21. Leakage at the shaft seal of the low-temperature liquid oxygen filling pump - HCBBS Forum
22. Is pressurized gas more likely to leak than a liquid under the same conditions? - HCBBS Forum
23. Liquid ammonia leak: What is the interlock setting value for the water curtain and mist system? What are the interlock value standards for toxic gas leaks? - HCBBS Forum
24. Installation location of the flow restriction orifice plate - HCBBS Forum
25. Air cooler support frame - HCBBS Forum
26. Can the PK705 signal converter be replaced? - HCBBS Forum
27. The first M&A deal in the restructuring of central state-owned enterprises in 2016: Shenhua to acquire China Coal Science & Technology Corporation in its entirety - HCBBS Forum
28. Design parameters for series reactors - HCBBS Forum
29. Transformation and upgrading of the biogas industry: Decentralization and cogeneration are the prevailing trends - HCBBS Forum
30. 【Q&A Question 020】May 10, 2016 - HCBBS Forum
31. Progress of the Zhongtian Hechuang project in Wushen Banner, Ordos - HCBBS Forum
32. 【Daily Judgment NO.3】 May 11, 2016 - HCBBS Forum
33. 【Daily Judgment NO.9】 May 17, 2016 - HCBBS Forum
34. How is the thickness of a SBR molding compact determined? - HCBBS Forum
35. Is there any training provided in the chemical industry, especially for frontline employees? How does everyone handle such training? - HCBBS Forum
36. How can some solid impurities in spent sulfuric acid be removed? - HCBBS Forum
37. 【Weekly Topic】【Storage & Transportation Version 20160505】 - HCBBS Forum
38. Problems with coal-based ethylene glycol, regarding ** - HCBBS Forum
39. Reasons for maintaining boiler water softening equipment - HCBBS Forum
40. The water treatment process for swimming pools - HCBBS Forum
41. Discussion on the method for determining suspended solids in the ash water of the coal gasification ash water system - HCBBS Forum
42. The fundamental difference between C and S in instrument function symbols - HCBBS Forum
43. Method for determining the belt conveyor speed using instrument proximity switches - HCBBS Forum
44. 【Daily Question】Deep Processing 20160509 Multiple Choice: The yield of ethylene is ( ) - HCBBS Forum
45. Purification of dichloroethane using VCM equipment - HCBBS Forum
46. Safety Technology Exchange Edition: Daily Question (2016.5.13) - HCBBS Forum
47. 【Daily Question No. 136】May 06, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
48. Sulfur Daily Question, May 9th------3 points for participation, 10 points for a correct answer - HCBBS Forum
49. Dosage of PAM and PAC for pilot tests on industrial wastewater - HCBBS Forum
50. Calorifying the furnace - HCBBS Forum
51. Sealing issue of the liquid chlorine tank farm building - HCBBS Forum
52. Storage tank sun protection - HCBBS Forum
53. 【Picture of the Day】2016 05 11 What device is shown in this picture? What is its function? - HCBBS Forum
54. Requirements for gas inlet flow rate to the tower - HCBBS Forum
55. What does it mean that people harvest in April? - HCBBS Forum
56. Environmental Protection Tip of the Day 5.11: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
57. What is the difference between diamond symbols and dashed lines in flowcharts? - HCBBS Forum
58. High-temperature centrifugal pumps need to be preheated before starting - HCBBS Forum
59. Arrangement of the torches - HCBBS Forum
60. How to deal with the collapse of red coke when removing the door on the coke side of a rammed coke oven - HCBBS Forum
61. Nitrogen compressor safe or \"unsafe\"”~~ - HCBBS Forum
62. Filling material for expansion joints in fire dikes - HCBBS Forum
63. Are there any materials on the explosion of waste heat boilers? - HCBBS Forum
64. Never mess with women - HCBBS Forum
65. Supreme Court releases another list of ten notable cases in environmental administration lawsuits - HCBBS Forum
66. The principle of demulsifiers and their applications - HCBBS Forum
67. Mother's Day - HCBBS Forum
68. Plate thickness for 1Mpa pressure vessels - HCBBS Forum
69. Will the exam for Certified Safety Engineers be held this year or not? - HCBBS Forum
70. Environmental Protection Tip of the Day 5.17: Reward for participation, plus 3 more rewards for answering correctly - HCBBS Forum
71. 【Daily Question】Deep Processing 20160510 Multiple Choice: The relationship between conversion rate Z, selectivity X, and single-pass yield S is: ( ) - HCBBS Forum
72. Hairtail from the Northeast or Shandong - HCBBS Forum
73. Kettle reboiler Kettle evaporator - HCBBS Forum
74. How to control the COD level in electroplating wastewater? - HCBBS Forum
75. One Question per Day on Synthetic Ammonia (Series 85) - HCBBS Forum
76. 【Daily Question No. 170】May 06, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
77. Help needed - HCBBS Forum
78. “Detailed list of the “three violations” - HCBBS Forum
79. Alias of tag in Tristation 1131 software - HCBBS Forum
80. Purified methanol quality - HCBBS Forum
81. Environmental Protection Daily Tip 5.06: Reward for participation is 3 points, plus another 3 points for answering correctly - HCBBS Forum
82. 【Daily Question】Chemical Engineering Principles 370: Boilers (May 6) - HCBBS Forum
83. Distillation section for coal-based ethylene glycol - HCBBS Forum
84. Seeking advice - HCBBS Forum
85. The Jinan Alumni Association of Beijing University of Chemical Technology is about to be established - HCBBS Forum
86. Full text of the 13th Five-Year Plan for the chlor-alkali industry - HCBBS Forum
87. 【Daily Topic】【Electrical Edition 20160515】 - HCBBS Forum
88. Segmented installation of remote transmission magnetic flap level gauge - HCBBS Forum
89. What is the relationship between crude oil distillation and the height and yield of atmospheric distillation columns? - HCBBS Forum
90. Regulation issues with control valves - HCBBS Forum
91. Can it be started again after the motor trips? - HCBBS Forum
92. I wonder, for the Rongbiao Committee A1 and A2 competitions, is the number of applicants still 400 each time? - HCBBS Forum
93. How do seal flushing schemes 52 and 53 differ? - HCBBS Forum
94. Difference between a throttle valve and a flow restrictor or orifice plate - HCBBS Forum
95. Who has the design documents for the POX unit, including the process and piping aspects? - HCBBS Forum
96. Official Big Guesses on Olympic Champions - HCBBS Forum
97. Please provide the latest version of the standard 【Chemical Industry Standards】 HG/T 3989-2014 on Resorcinol - HCBBS Forum
98. Heating furnace tube material - HCBBS Forum
99. Thermocouple selection issue - HCBBS Forum
100. Is it feasible to reduce the safety valve discharge condition by improving self-control measures? - HCBBS Forum