English — Forum #723 (Page 322/642)

1. One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 274 - HCBBS Forum
2. 【Daily Topic】【Quality Version 20160323】 - HCBBS Forum
3. Determination of the diameter of the gravity overflow pipe - HCBBS Forum
4. 【Episode 4 of the 2016 Family Debate Series】Is it good or bad for a talented Peking University student to work as a courier? - HCBBS Forum
5. Which standard states that the design temperature of a pipe equipped with heating should be taken as the operating temperature or design temperature of the heating medium? - HCBBS Forum
6. Solutions for overpressure in urea systems using carbon dioxide stripping - HCBBS Forum
7. Catalytic ignition and drying in the village - HCBBS Forum
8. Please provide CNOOC’s list of suppliers that violated regulations in 2015 - HCBBS Forum
9. What does the presence of paramecia detected under microscopy in biological water treatment indicate regarding the effectiveness of the water treatment? - HCBBS Forum
10. Design and calculation issues for natural gas pig receiver barrels - HCBBS Forum
11. Regarding scripting in WCC* - HCBBS Forum
12. Is it necessary to analyze the PID drawings provided by the compressor manufacturer during a HAZOP analysis? - HCBBS Forum
13. Why is a water seal tank kept with a continuous flow of water? - HCBBS Forum
14. Treatment of imidazaldehyde wastewater - HCBBS Forum
15. On the degradation rate of ethylene glycol in air - HCBBS Forum
16. Low-temperature flow meter - HCBBS Forum
17. What is the typical electrolysis efficiency of electrolyzers? - HCBBS Forum
18. What are some good methods for removing ammonia nitrogen from aquaculture wastewater? - HCBBS Forum
19. Different Chinese artistic conceptions of an English poem - HCBBS Forum
20. Vent valve overpressure - HCBBS Forum
21. Who knows something about the actual operation of the U-GAS gasification process? - HCBBS Forum
22. Problem of decreasing pump outlet pressure reading - HCBBS Forum
23. 【Daily Topic】【Civil Engineering Version 20160323】 - HCBBS Forum
24. How to maintain cold balance inside the liquid nitrogen cooling tank during normal production? - HCBBS Forum
25. How can a company ensure production safety during layoffs - HCBBS Forum
26. 【Weekly Topic】【Engineering Version 20160322】 - HCBBS Forum
27. What are the causes of frosting in air separation cold boxes? - HCBBS Forum
28. Learn to control your emotions - HCBBS Forum
29. 【Daily Topic】【Electrical Edition 20160323】 - HCBBS Forum
30. 【Weekly Topic】【 HVAC Version 20160323】 - HCBBS Forum
31. Hydrofining reaction – interruption of fresh hydrogen supply – emergency response procedures - HCBBS Forum
32. Which company has started working on the MTP device? - HCBBS Forum
33. In what types of devices is liquefied petroleum gas generally produced? - HCBBS Forum
34. Industrial production method of 3-amino-1,2,4-triazole - HCBBS Forum
35. Problem with the safety valve back pressure? - HCBBS Forum
36. The tower has a 316L cladding; the concentration of Cl- in the medium is 100 mg/L and the temperature is 50 degrees. Why does corrosion occur at the welds? - HCBBS Forum
37. 【Daily Topic】【Production Version 20160328】 - HCBBS Forum
38. Occupational Health Daily Question 3.26: Participate for a prize; 5 answers correct and another prize will be given - HCBBS Forum
39. 【Weekly Topic】Week 3 of March 2016: Discussion on \"the measures\" taken by businesses in light of the current economic situation. - HCBBS Forum
40. What happened to n-pentane? - HCBBS Forum
41. Seeking an answer - HCBBS Forum
42. 【Daily Topic】【Quality Version 20160318】 - HCBBS Forum
43. Design pressure - HCBBS Forum
44. The impact of the reaction system on product quality - HCBBS Forum
45. 【Daily Topic】【Production Version 20160322】 - HCBBS Forum
46. Weighing in a vacuum tank: how to choose a bellows? - HCBBS Forum
47. Operations related to the commissioning of the catalytic unit - HCBBS Forum
48. Is the low-pressure steam condensate and the ultra-low pressure steam condensate coming from the reboiler at the site usually insulated or heated? - HCBBS Forum
49. Enter the external pressure values A and B to input into the software - HCBBS Forum
50. How to burn and dispose of solid substances with a high sulfur content - HCBBS Forum
51. Regarding the issue of hardness difference between ring-groove face flanges and ring gaskets - HCBBS Forum
52. Selection of turbine flowmeters - HCBBS Forum
53. Can the inspection responsible engineer and the non-destructive testing responsible engineer for pressure vessel manufacturing units be the same person? - HCBBS Forum
54. Who has wind roses for Hejin City or Yuncheng City in Shanxi? - HCBBS Forum
55. Mechanical Seal PPT - HCBBS Forum
56. 【Joint Study*】【Civil Engineering Version 20160321】 - HCBBS Forum
57. Piping steam tracing - HCBBS Forum
58. How should the definition of tower punching be understood? - HCBBS Forum
59. Regarding the emergency phone number for **chemical registration: one book and one SDS** - HCBBS Forum
60. New chemical projects established in 2016 (LNG, refining, coking, methanol, ammonia, etc.) - HCBBS Forum
61. The Haichuan Tech Experts (Tech Freelancers) system has been successfully tested - HCBBS Forum
62. Calculation of gas-liquid ejectors - HCBBS Forum
63. Aspen newbie seeking advice on choosing physical property methods - HCBBS Forum
64. Regarding the lubrication of the pistons and packing in reciprocating units, is it necessary to involve interlocks? If so, what are the interlock voting rules... - HCBBS Forum
65. Minimum liquid level at the tank top - HCBBS Forum
66. Design issues of waste heat boilers - HCBBS Forum
67. 【Daily Topic】【Quality Version 20160329】 - HCBBS Forum
68. A brief analysis of how belt conveyors achieve temperature protection - HCBBS Forum
69. “\"HaiChuan Thanksgiving Season\": A thank you to those who fought side by side on the coal chemical production lines【Process Area 008】 - HCBBS Forum
70. Shandong Tianhong EPDM Ethylene Propylene Rubber Project - HCBBS Forum
71. Recommend some manufacturers - HCBBS Forum
72. One minute to learn about the latest developments in the petrochemical area! - HCBBS Forum
73. Proposal for a research study on the advances in methods for the extraction and purification of citrus brassinosteroid compounds - HCBBS Forum
74. Batch controller and pump - HCBBS Forum
75. Color issue of isooctyl acrylate - HCBBS Forum
76. Fireproof cloth - HCBBS Forum
77. What kind of valves are suitable for boiler pipes? - HCBBS Forum
78. Floating roof tank operation - HCBBS Forum
79. A decade of “demonstration” in coal chemical industry, and a decade of policy fluctuations - HCBBS Forum
80. Test: I need a set of drawings for hydrorefining - HCBBS Forum
81. Environmental Protection Daily Tip – March 23: Reward for participation of 5 points, plus an additional 5 points for answering 5 questions correctly - HCBBS Forum
82. Main technical parameters of SC series diaphragm pressure gauges - HCBBS Forum
83. How can anti-freezing heating for pipes under steam purging be addressed? - HCBBS Forum
84. 【Daily Question No. 140】March 23, 2016: +2 wealth for participation, +3 wealth for a correct answer - HCBBS Forum
85. Seeking help regarding the mixing device - HCBBS Forum
86. One question per day, March 24, 2016: Precision of separation between two adjacent fractions - HCBBS Forum
87. Regarding styrene refining - HCBBS Forum
88. May I ask, since the PLCs are connected to the host computer via Ethernet ports, what is the role of the router? - HCBBS Forum
89. The best time to eat live fish - HCBBS Forum
90. How is dicyclopentadiene utilized? - HCBBS Forum
91. What are the reasons for low outlet pressure in a pipeline pump (vertical centrifugal pump)? - HCBBS Forum
92. 【Daily Question】Hydrogenation Sector 2016 03 19 Fill-in-the-blank question - HCBBS Forum
93. FLOWSERVE locator Logix 3200MD debugging - HCBBS Forum
94. Flow rate calculation - HCBBS Forum
95. Annual audit of material suppliers - HCBBS Forum
96. What is the maximum temperature that a reinforced polypropylene (FRPP) pump can withstand during long-term operation? - HCBBS Forum
97. 【Daily Question】 Hydrogenation Sector 2016 03 17 Multiple Choice - HCBBS Forum
98. Functions and roles of Crown Flag Ordinary Series silica in coatings - HCBBS Forum
99. Catalytic dry gas olefins - HCBBS Forum
100. Statistics and research on the destination of waste gas from lignite coke plants? - HCBBS Forum