English — Forum #723 (Page 89/642)

1. Vapor phase deethanizer - HCBBS Forum
2. 【 Weekly Topic】【 Quality Version 20161116】 - HCBBS Forum
3. Sharing of fire engineer courseware videos - HCBBS Forum
4. High salary offered for expert in manufacturing gravity heat pipes - HCBBS Forum
5. What are the differences between the two-tank designs for catalysis and MTO? - HCBBS Forum
6. Looking at national policies through my heat exchanger business – significant efforts were made in energy conservation and emission reduction in 2016 - HCBBS Forum
7. The radar level gauge reads 0.39M when the tank is empty, with an analog output of 8MA. - HCBBS Forum
8. The five main working processes inside a biomass boiler - HCBBS Forum
9. Flexible design of pipe galleries - HCBBS Forum
10. Understanding the total heating heat load - HCBBS Forum
11. What causes the speed of a gas blower to increase suddenly after it stops operating? - HCBBS Forum
12. Haichuan Forum’s activity for sharing and uploading “the most practical general forms and various manuals” - HCBBS Forum
13. A brief discussion on the role of sprocket drums in conveyors - HCBBS Forum
14. Requirements for NTU in water quality testing - HCBBS Forum
15. The hazards of using nitrogen to pressurize the liquefied gas tanker into the tanker after it has been loaded - HCBBS Forum
16. On duty and for work? What are the differences in relationships and treatment? - HCBBS Forum
17. Lifting ear settings? - HCBBS Forum
18. After eight rounds of competition, guess who is the best foreign player in the CBA? - HCBBS Forum
19. Device modules related to PDMS - HCBBS Forum
20. Brothers, what are some good technical improvement projects for sulfur plants? Let’s share them - HCBBS Forum
21. Sign-in record post from November 15, 2016 - HCBBS Forum
22. Yield strength Tensile strength - HCBBS Forum
23. What are the application scenarios for the slip-on and clamp-type connections of pipes? Can it be used in pipelines for flammable or toxic liquids? - HCBBS Forum
24. Why is it necessary to avoid a vacuum during the cooling process of the vacuum distillation column in high-pressure hydrogenation? - HCBBS Forum
25. Have you encountered any embarrassing situations with safety officers? - HCBBS Forum
26. In proii, the pH value of mixed alkaline solutions (sodium hydroxide and sodium bicarbonate) is calculated or controlled - HCBBS Forum
27. Dear sea friends, let’s discuss this - HCBBS Forum
28. Separation techniques for thiophene compounds - HCBBS Forum
29. When selecting supports, does the thickness of the backing plate need to be the same as that of the cylinder or head? - HCBBS Forum
30. Are there any special requirements for the material of hydrogen pressure gauges? - HCBBS Forum
31. Environmental Protection Daily Question (11.20) - HCBBS Forum
32. How to start a boiler water pump? - HCBBS Forum
33. Response from the General Administration of Quality Supervision, Inspection and Quarantine regarding the special seal for the design of new regulatory requirements - HCBBS Forum
34. Advantages and disadvantages of plate heat exchangers - HCBBS Forum
35. 【Haichuan Fun English】give it one’s best shot - HCBBS Forum
36. Gasification Daily Question: 2016-11-19 Fill-in-the-blank question (5 points for participation, 10 points for a correct answer) - HCBBS Forum
37. I’m looking for some software related to mixer design - HCBBS Forum
38. 【11-16】Daily Tip for Occupational Health - HCBBS Forum
39. Marking of elbow material - HCBBS Forum
40. One rotation and one suction process - HCBBS Forum
41. Ask the next question regarding parking sequence control - HCBBS Forum
42. The rapid development of intelligent manufacturing in deep hole drilling is inseparable from the support of simulation technology - HCBBS Forum
43. Learn More | 20 Essential Details for On-site Factory Management – Keep This! - HCBBS Forum
44. Methods for testing the transparency and colority of sulfuric acid - HCBBS Forum
45. delete - HCBBS Forum
46. At the current stage of project construction, which specific aspects are mandatory? - HCBBS Forum
47. How exactly is the inlet linear velocity of the regenerator centrifuge calculated? - HCBBS Forum
48. 【11-18】Daily Question for Occupational Health Edition - HCBBS Forum
49. What to do if a calcium and magnesium analyzer frequently crystallizes and requires frequent repairs? Swissquote - HCBBS Forum
50. What is the working principle of a steam turbine, and what is the principle of a centrifugal compressor? - HCBBS Forum
51. Desulfurization solution treatment - HCBBS Forum
52. Ammonia and conductivity levels in the drain water from the desorption tower are above the specified limits - HCBBS Forum
53. What are the advantages and disadvantages of the sealing flushing scheme 54+62? What are the respective risks? - HCBBS Forum
54. The impact of purging conditions on equipment design - HCBBS Forum
55. How are fire types and categories classified? - HCBBS Forum
56. The deethanizer feed is at the top of the tower - HCBBS Forum
57. Safety precautions during maintenance work - HCBBS Forum
58. Recently, the seal of the alkali pump in the unit has been leaking frequently; new seals start to leak just a few days after being installed. I was wondering if anyone has any good solutions - HCBBS Forum
59. Regarding the fabrication of expansion bends - HCBBS Forum
60. On the relationship between diesel quality and the proper operation of engines - HCBBS Forum
61. Carbon deposition on continuous reforming catalysts - HCBBS Forum
62. Help needed - HCBBS Forum
63. Management of materials for the general contracting project - HCBBS Forum
64. Lijiang Xiaoqian--In an instant - HCBBS Forum
65. 100 pieces of on-site management experience - HCBBS Forum
66. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； November 12th - HCBBS Forum
67. Sulfur trioxide is a strong oxidizing agent; what is its fire hazard classification, Class A or Class B? - HCBBS Forum
68. Request a detailed flowchart for methanol production from natural gas - HCBBS Forum
69. New process for treating acidic water in the petrochemical industry - HCBBS Forum
70. Material selection for high-temperature, high-humidity, corrosive flue gases - HCBBS Forum
71. 【Daily Topic】【Production Version 20161111】 - HCBBS Forum
72. Pressure ratio of the expander - HCBBS Forum
73. 【Recommended song】Sad Subway Station – Sister Ou - HCBBS Forum
74. Carbon disulfide poisoning cannot be ignored - HCBBS Forum
75. Explanation of radial force in Voith gear pumps - HCBBS Forum
76. Problems with the top pressure in distillation columns - HCBBS Forum
77. This is the essential mindset for badminton doubles! - HCBBS Forum
78. How are the general dimensions of a steam drum (diameter and length) determined? - HCBBS Forum
79. Health and Occupational Health Edition: One vote per day on November 13th (the more votes, the more rewards) - HCBBS Forum
80. Wuhan Senyuan Lan Tian Environmental Technology is recruiting process engineers and project managers - HCBBS Forum
81. pH control issue in electrolytic dechlorination - HCBBS Forum
82. Could you recommend some manufacturers of pneumatic diaphragm pumps (domestic brands)? - HCBBS Forum
83. How can the pH be adjusted to an exact value when using liquid caustic for adjustment? ? ? - HCBBS Forum
84. 【11-20】One Question per Day for Occupational Health - HCBBS Forum
85. During ANSYS limit load analysis, the Mises stress value exceeded the yield limit - HCBBS Forum
86. 50- Discussion on the design of gas separation skids for aromatic units in petrochemical enterprises using vertical gas coalescing separators - HCBBS Forum
87. What is the design of a double-plate check valve without a fixing bolt? - HCBBS Forum
88. Heavy oil viscosity reduction technology or additives - HCBBS Forum
89. Do the power cabinet and network cabinet of the control system require operational grounding? - HCBBS Forum
90. Daily Fire Protection Technology Question (11.20) - HCBBS Forum
91. Instrument - HCBBS Forum
92. Drain water after the cold coking in the delayed coking unit is completed - HCBBS Forum
93. Excessive chloride content and its corrosion effect on stainless steel - HCBBS Forum
94. 【Haichuan Chemical Industry News】Deyang hosts a high-end forum on phosphorus-titanium chemicals; experts recommend pursuing a high-end development path - HCBBS Forum
95. The medium used for catalytic soot blowing in the residual boiler shock wave is - HCBBS Forum
96. 【Q&A Question 215】November 21, 2016 - HCBBS Forum
97. Who has the large-diameter standard? - HCBBS Forum
98. Issues regarding the treatment of waste gases generated from coal tar hydrogenation - HCBBS Forum
99. What does this mean? - HCBBS Forum
100. Central control - HCBBS Forum