English — Forum #723 (Page 227/642)

1. What are the categories of technicians? - HCBBS Forum
2. I have worked in Beijing for a year and would like to obtain the title of junior engineer. What is the process? - HCBBS Forum
3. Methods to extend the operating cycle of the alkali scrubber tower - HCBBS Forum
4. 【Daily Topic】【Production Version 20160612】 - HCBBS Forum
5. What are the principles for handling catalytic reforming accidents? - HCBBS Forum
6. Double-flange level gauge - HCBBS Forum
7. One-step purification of coke oven gas to produce LNG - HCBBS Forum
8. Why do the compressors for hydrogen production feed gas not have oil injectors? - HCBBS Forum
9. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 11 - HCBBS Forum
10. 【First-Class Constructor Project Management Practice Questions】023 Construction Cost Control - HCBBS Forum
11. How to determine the total amount of circulating water used in a process system? - HCBBS Forum
12. 【Weekly Topic】【Storage & Transportation Version 20160613】 - HCBBS Forum
13. Plate heat exchanger unit - HCBBS Forum
14. What is the difference between EJA’s Transmitter Series A and Series E? How much is the price difference? - HCBBS Forum
15. 【Daily Question】Advanced Processing 20160610 Multiple Choice Question: When discussing the separation performance of cyclone separators, the term critical diameter... - HCBBS Forum
16. Carbon deposition reaction - HCBBS Forum
17. 【One update per day】Computer freezes - HCBBS Forum
18. Selection of MVR negative pressure evaporation equipment - HCBBS Forum
19. Heat exchanger slide rail - HCBBS Forum
20. Questions about the “TUV Functional Safety Engineer” exam? - HCBBS Forum
21. Selection of combined technology routes for heavy oil processing and characteristics of the processes - HCBBS Forum
22. The heat exchange tubes of the heat exchanger are completely covered in rust; how to clean them? - HCBBS Forum
23. Soy product wastewater - HCBBS Forum
24. Is there any information available on the Aspen Flare System Analyzer, or could those who have studied it discuss it together? - HCBBS Forum
25. Newbie seeking help regarding card sleeve heat treatment - HCBBS Forum
26. *Written to Yang Kaihui - HCBBS Forum
27. 【Daily Question】Deep Processing 20160617 Multiple Choice: Membrane evaporators are suitable for the evaporation of （ ） - HCBBS Forum
28. Select a gas-liquid separation unit - HCBBS Forum
29. Selection of gas pipeline materials - HCBBS Forum
30. Several excellent and practical videos on occupational health - HCBBS Forum
31. 【Daily Topic】【Production Version 20160613】 - HCBBS Forum
32. “\"Made in Japan\" faces a fraud crisis – has the myth been defeated? - HCBBS Forum
33. Installation method of the condenser for reactions requiring solvent reflux - HCBBS Forum
34. "I’m working on energy conservation; where are you? “The Five-Word Formula of Petrochemical 608”: focusing on tapping potential to improve efficiency - HCBBS Forum
35. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 25 - HCBBS Forum
36. Which friend has experience in cleaning pipes? Please help - HCBBS Forum
37. Seeking advice on issues with double-acting valve positioners - HCBBS Forum
38. Coal chemical industry needs to build strategic technical reserves — An interview with Chen Junwu, an academician of the Chinese Academy of Sciences - HCBBS Forum
39. 12 questions to help you understand Order No. 88 of the Work Safety Administration – it’s worth having! - HCBBS Forum
40. Level gauge - HCBBS Forum
41. Boost employees’ morale for safe production – try these four methods - HCBBS Forum
42. How is the heat exchange area of enhanced heat transfer tubes calculated? - HCBBS Forum
43. What should be done now if the fire separation distances between Class A liquid storage tanks and the walls, roads, as well as the acid and alkali storage areas with canopies are insufficient? - HCBBS Forum
44. Urgently need the DJS-21 type microcomputer fuel distribution controller (main unit) for vehicle fuel distribution systems, produced by Nanjing Dongfu in 2007 - HCBBS Forum
45. Water injection in hydrocracking - HCBBS Forum
46. What are the models of passive signal sources that can replace pressure transmitters or thermal resistors? - HCBBS Forum
47. An effective way to reduce the amount of fresh alkali used in the alkali washing tower - HCBBS Forum
48. For transporting concentrated salts and acids, is UPVC or PPh better? - HCBBS Forum
49. 【First-Class Constructor Project Management Practice Questions】012 Deadline for Publishing Integrity Records - HCBBS Forum
50. What is the principle behind water suppressing the corrosion of liquid ammonia? - HCBBS Forum
51. Why is it not allowed in general industrial production for the water flow rate to exceed 3 m/s? - HCBBS Forum
52. Are there any good ways to prevent pipes from scaling or getting clogged? - HCBBS Forum
53. Regarding chains, low-low chains, high-high chains, - HCBBS Forum
54. 【Daily Topic】【Electrical Edition 20160618】 - HCBBS Forum
55. Control of the quality of Cuichai products - HCBBS Forum
56. I have a question about forklifts - HCBBS Forum
57. Shandong Province encourages the construction of LNG and CNG gas supply stations - HCBBS Forum
58. If I leave my job after registering for the First-Class Constructor exam, can I take it again? - HCBBS Forum
59. Technical requirements for applying special paint to cooling towers - HCBBS Forum
60. What are your views on the current development of the industry? - HCBBS Forum
61. 【First-Class Constructor Project Management Practice Questions】004 Project Bidding Conditions - HCBBS Forum
62. Discussion on the application scenarios of extended differential pressure level transmitters - HCBBS Forum
63. For hydrogenation reactors, what type of stainless steel is used for the cladding? - HCBBS Forum
64. Pump selection - HCBBS Forum
65. Brief Overview of Work Safety from June 6 to June 12, 2016 - HCBBS Forum
66. 【Help】Dephenolization and decolorization of saline solutions containing phenols - HCBBS Forum
67. It’s my first time on this new section, so I’m just saying hi - HCBBS Forum
68. 【First-Class Constructor Project Management Practice Questions】021 Core Tasks of Construction Project Management - HCBBS Forum
69. 24v instrument power supply issue - HCBBS Forum
70. Why is the cooler installed more than 10 meters away? - HCBBS Forum
71. Epichlorohydrin production technologies: What are the advantages and disadvantages of the traditional saponification method, the glycerol method, and the hydrogen peroxide method? Which one is more successful... - HCBBS Forum
72. About oil pumps - HCBBS Forum
73. Guess who will be the top scorer at the 2016 European Cup? - HCBBS Forum
74. Maximum allowable operating pressure for S22053 duplex stainless steel flange material - HCBBS Forum
75. Definition of fire hazard for ammonia stations - HCBBS Forum
76. 【First-Class Constructor Project Management Practice Questions】019 Preparation of Construction Organization Design - HCBBS Forum
77. Can’t tell the difference between flooding, tower flooding, and tower submersion! Please provide a detailed explanation - HCBBS Forum
78. Small-scale air separation nitrogen generation unit - HCBBS Forum
79. Factors to consider for the proper selection of conveyor drums - HCBBS Forum
80. 【Daily Question】Chemical Engineering Principles 384: Regeneration Liquid (June 14) - HCBBS Forum
81. What are the changes in the new textbooks for first-level constructor exams in 2016? - HCBBS Forum
82. Valves with upper sealing structure - HCBBS Forum
83. 【Daily Question】Advanced Processing 20160620 Multiple Choice Question: Glass wool is commonly used for insulation in factories because of its thermal conductivity ( … - HCBBS Forum
84. Solved - HCBBS Forum
85. 【Weekly Topic】【Home Version 20160615】Are you concerned about the quality of wheat yields? - HCBBS Forum
86. 【Weekly Topic】【 Quality Version 20160616】 - HCBBS Forum
87. What are high-temperature work environments of level 3 and above? - HCBBS Forum
88. Why is the total nitrogen level so high in graphite wastewater? - HCBBS Forum
89. 【Chemical Workers of Haichuan, Let’s Get Moving】005 Poor walking posture can harm your legs - HCBBS Forum
90. What issues need to be considered when using catalysis to carry out hot removal of large blind flanges? - HCBBS Forum
91. Solved - HCBBS Forum
92. Already blind - HCBBS Forum
93. Experts say that for Class A and B liquid storage tanks, an accident pond can be provided based on the terrain’s natural flow, eliminating the need for a fire dike? Does the specification mention this? - HCBBS Forum
94. Delayed coking desulfurization alcohol system - HCBBS Forum
95. Issue regarding the mismatch of pipe openings in the equipment drawings, elevation views, and pipe opening orientation diagrams - HCBBS Forum
96. Expose those engineering design companies that are in arrears with wages and bonuses - HCBBS Forum
97. Urgently need to know why the hydrogenation reactor needs to be taken out when switching to a medium-pressure gas cycle for hydrogen production - HCBBS Forum
98. Registration for the chemical engineering program is now open - HCBBS Forum
99. The motor of the condensate pump vibrates severely - HCBBS Forum
100. How to choose a job - HCBBS Forum