English — Forum #723 (Page 624/642)

1. Job openings at Beijing Oil and Gas Engineering Company - HCBBS Forum
2. Could some senior member please teach me how to write a news article about the first anniversary of the installation’s operation? - HCBBS Forum
3. The Haoyuan ECOSA sulfur recovery unit has been certified by the Fertilizer Association - HCBBS Forum
4. When biodiesel is blended with standard diesel in a 15% ratio, the recovery temperature at 10% is 230 degrees; what impact does this have on vehicles? - HCBBS Forum
5. Commissioning of the turbine dry gas seal - HCBBS Forum
6. 【Daily Question】June 17: Tolerance issues regarding the performance of centrifugal blowers (+2 for the first 80 participants; +3–8 extra points for correct answers...) - HCBBS Forum
7. The problem of the reciprocating machine’s piston rod sinking - HCBBS Forum
8. Metal tube magnetic float flow meter - HCBBS Forum
9. 【Daily Question】June 20: Determine the instrument control system? - HCBBS Forum
10. It’s been 7 years since HaiChuan was registered–time to spend some money! - HCBBS Forum
11. Polyurethane market trends on 6/23 - HCBBS Forum
12. Should FO or FC be chosen for the inlet and outlet valves in case of a compressor failure? - HCBBS Forum
13. Height of outer pipe rack spanning the road - HCBBS Forum
14. If you were the head of the water supply and drainage workshop, from which aspects should you manage the workshop? - HCBBS Forum
15. Zhongtian Hechuang Polyethylene Project - HCBBS Forum
16. Do high-temperature asphalt tanks need breather valves? - HCBBS Forum
17. Refrigeration Engineering* - HCBBS Forum
18. Simulation of shale oil condensation recovery - HCBBS Forum
19. How should instrument busways be grounded, and what are the specific grounding methods? ? ? ? - HCBBS Forum
20. Why is the catalyst sulfided, and when is sulfiding considered complete? - HCBBS Forum
21. Be alert to advertisements for prohibited items - HCBBS Forum
22. Daily Question, June 20, 2015 (Safe Communication): 3 Wealth points as a reward for replying, 5 Wealth points for correct answers; participation comes with rewards - HCBBS Forum
23. Questions regarding the concepts of valve back pressure and maximum pressure difference? I’d like to ask the experts here. Thank you in advance - HCBBS Forum
24. Problems with test plates for cold-pressed end caps manufactured by forming first and then welding - HCBBS Forum
25. Can gasoline be stored in a tank without anti-corrosion treatment on its inner walls? - HCBBS Forum
26. Crystallization treatment method for purification filter plates. - HCBBS Forum
27. How to organize the work of a design institute - HCBBS Forum
28. Which coking plants are still looking for workers? - HCBBS Forum
29. Recruiting gasification technology experts - HCBBS Forum
30. Check valve selection - HCBBS Forum
31. In the design of high-voltage equipment with large-diameter bolts, how can measures be taken to ensure they do not fail without performing strength calculations? - HCBBS Forum
32. Process calculation for the BEFS anthracene distillation column in France - HCBBS Forum
33. Discussion on the anti-corrosion effect of 30% sodium cyanide aqueous solution - HCBBS Forum
34. Inspections before starting a regular centrifugal pump - HCBBS Forum
35. 【Daily Question】June 23: If a pump is partially evacuated, what will be the reading on the pressure gauge at the pump’s outlet? - HCBBS Forum
36. What are the reasons for the high dust content in the process gas at the outlet of the carbon black scrubber tower? What harms will it cause? - HCBBS Forum
37. Does the moisture content in gas change with temperature? - HCBBS Forum
38. How should the Design Rating and Pressure Rating of valves be understood? - HCBBS Forum
39. How can a rammed coke oven achieve smoke-free coal charging - HCBBS Forum
40. How is an air hammer controlled? - HCBBS Forum
41. The carbon black exhaust gas is first dehydrated and then desulfurized; a desulfurization plan is requested - HCBBS Forum
42. Classification of submersible pumps - HCBBS Forum
43. Does tank pressure refer to the vapor phase pressure or the liquid phase pressure? - HCBBS Forum
44. Who knows about rovalve valves? (Solved) - HCBBS Forum
45. Qatar hosting the World Cup is really in doubt now - HCBBS Forum
46. Coal carrier bottom plate - HCBBS Forum
47. Regarding the cleaning of the low-temperature methanol washing system - HCBBS Forum
48. I can’t do it anymore. Heroes, please help! Thank you! - HCBBS Forum
49. About Bentley Puls - HCBBS Forum
50. What precautions should be taken for NaOH storage tanks? ! - HCBBS Forum
51. 【Weekly Topic】-006-Relationships between Biochemical Operation Parameters - HCBBS Forum
52. 【Daily Question】2015.06.16 Characteristic Parameter Table (2 wealth points for replying, plus 3–8 additional wealth points for correct answers) - HCBBS Forum
53. 【Daily Question】Safe use of gas cylinders (1 wealth reward for replies, 3-5 wealth rewards for correct answers) - HCBBS Forum
54. Shanghai Xinxing Chemical Technology Co., Ltd - HCBBS Forum
55. Difficulties in manufacturing S Zorb desulfurization reactors - HCBBS Forum
56. Recruiting desulfurization and denitrification design engineers, project management - HCBBS Forum
57. Seeking advice on instrument material specifications - HCBBS Forum
58. Low-temperature liquid gasification devices: advantages and disadvantages of water bath and steam types? - HCBBS Forum
59. How is paraffin produced during the dimethyl ether manufacturing process? - HCBBS Forum
60. There is a lot of water between the compressor stages; how can the amount of water carried be reduced? - HCBBS Forum
61. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 228 - HCBBS Forum
62. Question: Installation and clogging prevention of venturi flow meters in powder media - HCBBS Forum
63. What are the materials for copper tube sheets? - HCBBS Forum
64. Could everyone help me figure out what the hardness and alkalinity of this water sample are in ppm? - HCBBS Forum
65. Weekly topic: 8 Wealth points for those who answer correctly, 2 Wealth points for participation； Question 88 - HCBBS Forum
66. Questions regarding acidity - HCBBS Forum
67. Regarding the issue of direct supply of coking wax oil - HCBBS Forum
68. What are the components of the total C4 fraction after ether chromatography analysis? - HCBBS Forum
69. Video of the Bhopal accident in India - HCBBS Forum
70. 【Daily Question】Wastewater Knowledge-107 (June 24) (2 points for answering, 4 points for a correct answer) - HCBBS Forum
71. How to select a current transformer - HCBBS Forum
72. Looking for recommended WeChat subscription accounts related to electrical instrumentation - HCBBS Forum
73. Regarding turbine-driven screw compressors - HCBBS Forum
74. What software can be used to encrypt CAD drawings? - HCBBS Forum
75. The problem of difficult filtration when using sprayed metallic zinc powder - HCBBS Forum
76. What kind of air separation unit do you want to design? - HCBBS Forum
77. Do the local refineries in Shandong still use M100 fuel oil? - HCBBS Forum
78. Daily Question June 23, 2015 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers - HCBBS Forum
79. How to adjust a double-flange differential pressure level gauge when its measurements are inaccurate - HCBBS Forum
80. Controllable heat transfer transformation – are there any contact details? - HCBBS Forum
81. Looking for information on methacrylic acid - HCBBS Forum
82. 【Daily Question】What is the purpose of the Doctor test on June 19th, used to qualitatively determine whether a sample contains it? - HCBBS Forum
83. AXENS regeneration process reforming - HCBBS Forum
84. When creating a pipeline characteristic table, how is the operating pressure calculated? - HCBBS Forum
85. Daily Question June 15, 2015 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers - HCBBS Forum
86. When encountering such posts on the polymer version, how should one judge them? - HCBBS Forum
87. 【Registration Area】Announcement on Promoting tiyiss to Deputy Super Moderator and Adjusting Moderator Roles - HCBBS Forum
88. How is it most reasonable to fill the grouting layer during installation using the grouting method? How thick should it be poured? Thank you. - HCBBS Forum
89. I have questions regarding coking plants and coke ovens - HCBBS Forum
90. Does the filtering time of the instrument need to be adjusted? - HCBBS Forum
91. Samsung brand third-stage centrifugal compressor - HCBBS Forum
92. On the operation of catalytic condensing steam turbines, particularly the extraction systems - HCBBS Forum
93. What are the precautions for starting and stopping screw pumps? - HCBBS Forum
94. Production formulas for high-nitrogen fertilizers and raw materials for medium-element fertilizers - HCBBS Forum
95. What is the winterizing temperature? - HCBBS Forum
96. Daily Question June 23, 2015 (Safe Communication): 3 wealth points for replies, 5 wealth points for correct answers; participation comes with rewards - HCBBS Forum
97. What type of coal does your factory use in its coal-fired boilers, and what is its price? - HCBBS Forum
98. What causes the \"bulging\" phenomenon in liquid chlorine cylinders? - HCBBS Forum
99. Regarding tees and branch pipe bases - HCBBS Forum
100. Petroleum chemical automation design, many years of experience, seeking part-time job - HCBBS Forum