English — Forum #723 (Page 416/642)

1. The issue of oxygen pipeline flow rate - HCBBS Forum
2. Seamless steel pipes are used for pressure vessel shells - HCBBS Forum
3. I have a registered chemical industry certificate, obtained this year - HCBBS Forum
4. Problems with coagulators - HCBBS Forum
5. I would like to ask the experts: what is a manifold? - HCBBS Forum
6. Looking for a job in the Ningbo area (in the field of cryogenic tanks, PSA pressure swing adsorption hydrogen production, sulfur recovery) - HCBBS Forum
7. What are the precautions for collecting oil in an empty tank with hot oil? - HCBBS Forum
8. What are the reasons for sludge floating? - HCBBS Forum
9. Is it okay to carry out external welding work on the gasoline, gas, and liquefied gas pipelines that are in use without taking any measures? - HCBBS Forum
10. Common problems in naphtha hydrogenation units? - HCBBS Forum
11. Several issues with the HART protocol - HCBBS Forum
12. Looking for recommendations for complete sets of desulfurization and denitrification equipment for ships - HCBBS Forum
13. Q&A on residue hydrogenation technology - HCBBS Forum
14. Joint Learning*1207: +2 wealth for participation, +9 wealth for correct answers - HCBBS Forum
15. Find a magnetic pump with a CE certificate - HCBBS Forum
16. Major news – DuPont and Dow Chemical announce merger; a $120 billion giant is born - HCBBS Forum
17. Issues with diesel flash point and initial boiling point? - HCBBS Forum
18. Please translate - HCBBS Forum
19. A really terrible snack - HCBBS Forum
20. 【Picture of the Day】12.10 Take a look – what device is shown in this picture? A reward of 10 wealth will be given to those who can answer about the device product - HCBBS Forum
21. 【Thought】Can we really make good screws? ? ? - HCBBS Forum
22. Pneumatic clutch alignment - HCBBS Forum
23. Is such a residence time sufficient? - HCBBS Forum
24. Sinochem Quanzhou Project - HCBBS Forum
25. The level measurement of ammonium chloride and butenoxime in the same storage tank is inaccurate! - HCBBS Forum
26. Plate heat exchanger issues - HCBBS Forum
27. 【Boiler Weekly Question from December 14 to December 21】Multiple-choice questions - HCBBS Forum
28. Seeking advice on simplified calculations for PROII simulation of side-tank systems - HCBBS Forum
29. Is there an issue with the post count statistics? - HCBBS Forum
30. How is slurry filtered? - HCBBS Forum
31. What is the shrinkage and creep deformation of concrete? - HCBBS Forum
32. Construction progress of Xiangkuang Hengtong’s LNG project using coke oven gas - HCBBS Forum
33. Regarding the treatment of wastewater from aluminum anodization. - HCBBS Forum
34. Which pipes in the Texaco gasification system are prone to vibration during operation? - HCBBS Forum
35. Can the amplification intercom signal wires and the instrument signal wires be placed together? - HCBBS Forum
36. 【Weekly Topic】12.14 Based on your actual work experiences in your respective positions, discuss what was the greatest achievement for you in 2015 - HCBBS Forum
37. Discussion on issues related to distillation - HCBBS Forum
38. Chemical engineering heat transfer problems? Thank you - HCBBS Forum
39. Useful experiences from the successful registration of chemicals in 2014 - HCBBS Forum
40. ★Specialized Examination for Chemical Engineering ★ — One question per day (2015-12-10) — Points are awarded for participation - HCBBS Forum
41. What material is ZeCor? - HCBBS Forum
42. December 11th: True or False question No. 116 on boiler foundations: (A certain score will be given to the top 50 participants) - HCBBS Forum
43. 【Daily Question】12.14 Term Explanation: Gradual Vaporization - HCBBS Forum
44. 【Daily Question】12.14 Corrosion Classification (Reply +3 points; correct answer adds another +3 to 8 points) - HCBBS Forum
45. If there is an internal leak in the thermally low-pressure gas-water cooling system - HCBBS Forum
46. Fire hazard category of naphthalene - HCBBS Forum
47. Can high-level tanks related to storage tanks be placed inside the fire dike? - HCBBS Forum
48. December 12th: True or False question No. 117 on boiler foundations: (A certain score will be given to the top 50 participants) - HCBBS Forum
49. Analysis of the reasons for low feed volume in hydraulic diaphragm metering pumps - HCBBS Forum
50. For gas filling stations with two fixed parking spaces, is it possible to have a compressor equipped with a gas storage facility (2m3)? - HCBBS Forum
51. 13th Five-Year Plan: Oil and gas plans of the three giants – CNPC, Sinopec, and CNOOC - HCBBS Forum
52. Does anyone here know what the dielectric constant of a solution of lactam is? - HCBBS Forum
53. Problems with the salt water pump - HCBBS Forum
54. Confirmation of the flooding velocity in packed columns - HCBBS Forum
55. lithium fluoride - HCBBS Forum
56. 【Daily Question】12.15 Term Explanation: Single-stage vaporization - HCBBS Forum
57. What causes inaccurate pressure in the combustion air pipeline? - HCBBS Forum
58. 【Daily Question】 On December 11, heat moves from the warmer parts of an object to its cooler parts. What is the name of this type of heat transfer? - HCBBS Forum
59. Calculation of natural gas pipeline diameter - HCBBS Forum
60. Let’s discuss the issues related to the instrument management system - HCBBS Forum
61. It’s the New Year again; what new ideas do people have for this year? - HCBBS Forum
62. MTBE synthesis plant - HCBBS Forum
63. Regarding boiler water analysis - HCBBS Forum
64. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 389 - HCBBS Forum
65. What is the typical thickness of the lubricant film under normal conditions? - HCBBS Forum
66. Stainless steel materials at 800°C high temperature? - HCBBS Forum
67. Contract projects under the BT model - HCBBS Forum
68. 【Daily Question No. 75】December 14, 2015: +2 wealth for participation, +3 to +8 wealth for correct answers - HCBBS Forum
69. 【Picture of the Day】12.9 What is the name of the device in this picture? - HCBBS Forum
70. Where should the valve be opened at the start of steam pipe shooting? ? - HCBBS Forum
71. Selection and installation of pressure measuring instruments for high-temperature equipment - HCBBS Forum
72. Issues regarding the installation of the condensation tank - HCBBS Forum
73. How much longer must low-grade alkylated oil remain dormant? - HCBBS Forum
74. How to check for air leaks in compressed air pipelines? - HCBBS Forum
75. Flame arrestors for the petrochemical industry - HCBBS Forum
76. Data supporting the claim that slag from pyrometallurgical processing is harmless to the environment - HCBBS Forum
77. 【Serial】Design Story 57 – Working Hard - HCBBS Forum
78. **The reply from the Health and Family Planning Commission clarifies what is meant by \"departments that generate harmful factors\" in the standards for health protection distances - HCBBS Forum
79. A hole needs to be dug here, but there’s no machinery – what to do? - HCBBS Forum
80. Lanshi Heavy Equipment wins the bid for the Jinchangyuan coal tar hydrogenation EPC project - HCBBS Forum
81. The pipeline for polyferric additives is always clogged; how to deal with it? - HCBBS Forum
82. The relationship between exhaust gas purification and hydrogen - HCBBS Forum
83. Do you still remember your ideals from when you were in school? - HCBBS Forum
84. 【Daily Question】Chemical Engineering Principles 258: Distillation Column (December 9) - HCBBS Forum
85. Is scaling the only reason for the small temperature difference between the inlet and outlet water of the seal oil cooler? ! - HCBBS Forum
86. How to restart a sewage treatment plant in winter? - HCBBS Forum
87. Can other process equipment be placed inside the fire dike? - HCBBS Forum
88. Principles of Chemical Engineering in Daily Life _ Water Seal U-Bend - HCBBS Forum
89. 20151215 One question per day - HCBBS Forum
90. 【Daily Question】Question from Issue 20151211 - HCBBS Forum
91. Methods for counting the number of devices? - HCBBS Forum
92. With a low inflow load and aged sludge, could excessive sludge discharge easily lead to the proliferation of filamental bacteria? - HCBBS Forum
93. Small-scale CHP projects - HCBBS Forum
94. How to view advanced control? - HCBBS Forum
95. Why is the color of the purified water dark, and are the levels of sulfides and ammonia nitrogen high? - HCBBS Forum
96. 5 reasons why the elderly should not help their children take care of kids – everyone should read this! - HCBBS Forum
97. A new wave of deindustrialization is coming - HCBBS Forum
98. Regarding the issue of low sludge concentration in the aerobic tank - HCBBS Forum
99. Voltage stabilization system - HCBBS Forum
100. Drying of the hydrogenation reaction system - HCBBS Forum