English — Forum #723 (Page 219/642)

1. 【Weekly Topic】【Storage & Transportation Version 20160629】 - HCBBS Forum
2. Dehydration of methylated amino resin - HCBBS Forum
3. Registration for 【Registered Chemical Engineer】 in Beijing is now open - HCBBS Forum
4. Production process of solid sodium hypochlorite - HCBBS Forum
5. Blackwater flash properties method - HCBBS Forum
6. Study on clumping of compound fertilizers - HCBBS Forum
7. Seeking help with Aspen simulation for binary interaction parameters - HCBBS Forum
8. Questions about Petrochemical Regulation 6.4.2 regarding loading and unloading stations? - HCBBS Forum
9. Hydrogenation Technology II (Batch Liquid Phase Hydrogenation) - HCBBS Forum
10. An isolation valve is installed downstream of the check valve - HCBBS Forum
11. Registered Carbon Trader - HCBBS Forum
12. One question per day on occupational health – June 30: Participation is rewarded; 3 correct answers earn an additional reward of 3 more - HCBBS Forum
13. The process has been switched to water supply and drainage; how should I view it? - HCBBS Forum
14. Problem of carbon 5 in the feed gas for the gas phase process - HCBBS Forum
15. How to deal with oil leakage at dynamic seals? Is the shaft surface at the skeleton oil seal of the reducer worn? - HCBBS Forum
16. Do the pipes of a hydraulic lubrication system fall under the category of pressure pipes? - HCBBS Forum
17. Identification of occupational disease hazard factors involved in the wet-process production of acetylene gas - HCBBS Forum
18. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 46 - HCBBS Forum
19. Urgently seeking certificates for cost estimation (civil engineering or installation specialty) & supervision (municipal engineering or building construction specialty) - HCBBS Forum
20. After parking in winter and starting the air separation unit, the temperature coming out of the main heat exchanger is too low - HCBBS Forum
21. How should the membrane flux be properly selected during design? - HCBBS Forum
22. Dry gas, hydrogen production from natural gas, catalyst poisoning due to conversion - HCBBS Forum
23. Sign-in record post from June 27, 2016 - HCBBS Forum
24. Regarding the shutdown of the pump when the liquid level is low, by how much must the low liquid level be above the pump’s suction inlet or pump casing? ? Which specification states this? - HCBBS Forum
25. Should heat exchange tubes undergo a expansion testing procedure? - HCBBS Forum
26. Answer: Can ZARE be used to address the high concentration of hydrogen sulfide present in hair removal oils in order to meet safety requirements? - HCBBS Forum
27. Job search for compressor engineers - HCBBS Forum
28. Good morning - HCBBS Forum
29. Discussion on the calculation results of the bubble point and dew point of a certain hydrocarbon mixture? - HCBBS Forum
30. When upgrading a heating furnace to add steam, how should the size of the flow-limiting orifice plate be calculated? - HCBBS Forum
31. Is there any way to quickly determine the cetane number of diesel? - HCBBS Forum
32. Does alumina react with chlorine? - HCBBS Forum
33. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 27th - HCBBS Forum
34. Normal operating condition of the quench water filter - HCBBS Forum
35. Equipment layout diagram for the ethylene glycol production workshop - HCBBS Forum
36. Limit switch mounted on the door - HCBBS Forum
37. Does the pressure transmitter need to be relocated? - HCBBS Forum
38. DCS temperature trend - HCBBS Forum
39. 【Euro Cup Big Bet】20 Wales vs Belgium - HCBBS Forum
40. 【Daily Judgment NO.43】June 22, 2016 - HCBBS Forum
41. Safety Technology Exchange Edition: Daily Question (2016.6.25) - HCBBS Forum
42. Regarding the Aspen version issue, everyone is welcome to discuss it - HCBBS Forum
43. Newcomer - HCBBS Forum
44. Sign-in record post from June 29, 2016 - HCBBS Forum
45. 2016 Q&A Summary Post - HCBBS Forum
46. May I ask whether vertical storage tanks for Class A and B liquids buried underground can reduce the fire separation distance? ? Buried Class A or B vertical or bedroom storage tanks? ? - HCBBS Forum
47. API 682 solution not understood - HCBBS Forum
48. The company is planning to purchase magnetic pumps; could you provide some recommendations? - HCBBS Forum
49. Gas detector calibration - HCBBS Forum
50. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 29 - HCBBS Forum
51. I want to learn about DCS systems; are there any relevant materials available? - HCBBS Forum
52. Regarding additives - HCBBS Forum
53. Does anyone have a process flow diagram for the entire process of transporting limestone from a vehicle to the mixing station? ? - HCBBS Forum
54. During the coking commutation process, how much will the temperature in the combustion chamber change? - HCBBS Forum
55. 【Picture of the Day】Picture of the Day – more great content. 2016/06/21. What kind of production facility is shown in this image? Answer.. - HCBBS Forum
56. Lubrication issues for motors below 37KW - HCBBS Forum
57. 【Mechanical Division】Post on assessments of management and technical teams sowie payment of salaries and bonuses for June 2016 - HCBBS Forum
58. I’m asking about materials that can resist concentrated sulfuric acid and chloride ions - HCBBS Forum
59. Can percent characteristic be selected for all control valves? Then what is the purpose of linear valves? - HCBBS Forum
60. Two harvests - HCBBS Forum
61. 【Learn Ethylene Together】Five questions per day to easily learn about ethylene 32 - HCBBS Forum
62. Seeking advice from fellow sailors regarding steam pressure reduction solutions and cost comparisons - HCBBS Forum
63. Smoke coming from the coke oven chimney - HCBBS Forum
64. Let me show you the eight most famous local delicacies from Jiangsu - HCBBS Forum
65. Good methods and techniques for safety incentives - HCBBS Forum
66. These parameters can determine the container category - HCBBS Forum
67. Qualification issues for corporate safety officers - HCBBS Forum
68. The registered safety professional system in the United States - HCBBS Forum
69. I would like to ask everyone: under which standards is it required to install oxygen detection alarms? ! - HCBBS Forum
70. Calculation method for condenser circulation water volume - HCBBS Forum
71. Projects using acid-catalyzed resins in organic synthesis - HCBBS Forum
72. Safety Instrumented System - HCBBS Forum
73. Why is a branch created for the process supervisor’s section, with a branch valve installed only when there is a process requirement? - HCBBS Forum
74. Regarding the expiration of safety helmets, do they really become unusable once that happens? ? ? ? - HCBBS Forum
75. 【Weekly Topic】【Storage & Transportation Version 20160627】 - HCBBS Forum
76. 【Weekly Topic】【Storage & Transportation Version 20160621】 - HCBBS Forum
77. Pre-exam training for the 2016 National Registered Electrical Engineer Examination – [Shandong Institute LuDian School] - HCBBS Forum
78. Obtaining certificates - HCBBS Forum
79. What is the impact of crude oil viscosity on the operation of screw pumps? - HCBBS Forum
80. How to conduct condition monitoring of rotating equipment - HCBBS Forum
81. Selection Activity for Outstanding Original Technical Themes in May-June 2016 (Haiyou Voting Phase) - HCBBS Forum
82. Sodium sulfite reacts with high-concentration SO2 to produce sodium pyrosulfite - HCBBS Forum
83. Is it necessary for the company to have design qualifications in order to take professional exams? - HCBBS Forum
84. 【Daily Judgment NO.52】July 1, 2016 - HCBBS Forum
85. 20 years of experience in producing acid from pyrite - HCBBS Forum
86. Which company offers low-power CO2 TURBINE turbines? - HCBBS Forum
87. Separation of rainwater and wastewater issues - HCBBS Forum
88. Issues with the CS3000 main control card - HCBBS Forum
89. Pressure issues at the inlet and outlet of the pump - HCBBS Forum
90. High-temperature hot filtration equipment for sodium chloride - HCBBS Forum
91. Valve stem type - HCBBS Forum
92. Where can I buy books for the registration exam? - HCBBS Forum
93. Brick holding plate - HCBBS Forum
94. 【Daily Question】Deep Processing 20160626 Multiple Choice Question: Sometimes, the use of double-acting or triple-acting reciprocating pumps is intended to ( ) - HCBBS Forum
95. Safety Month Theme Promotional Video - HCBBS Forum
96. What is the reason why the HP in the wastewater treatment oxidation tank is getting smaller? - HCBBS Forum
97. How to consider the venting volume in the spherical tank area - HCBBS Forum
98. Environmental Protection Tip of the Day – June 29: Reward for participation; an additional 5 rewards for answering 3 questions correctly - HCBBS Forum
99. 【Picture of the Day】 2016 06 27 What is the device in this picture? - HCBBS Forum
100. High-yield, low-cost biogas decarbonization and purification technology – Sichuan Honghu Technology Group - HCBBS Forum