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单词 Naphtha
例句
1. In the square the flower-sellers had lit the naphtha flares in the buckets set along the cobblestones.
2. The Naphtha Stipper Reboiler duty is not decreased proportionally to the laden methanol to be stripped.
3. Finally, the solubility of methyl chloride in solvent naphtha was mensurated to accord to industrial application.
4. Naphtha is the main feedstock for steam cracking process, therefore its property directly influences the yields of main cracking products and the operation cycle of cracking furnace.
5. A fluidized-bed process for upgrading FCC naphtha ZSM-5 zeolite catalyst has been developed.
6. It will build 12 daily production capacity of 600 tons of differential fiber plant, crude gasoline (naphtha) eventually turn the finished clothes.
7. Reaction rules of FCC light naphtha upgrading and FCC naphtha recycle and reflux upgrading have been investigated with FCC catalyst in the bench scale riser FCC unit.
8. Objective : To extract and determine naphtha in Eupatorium fortune.
9. The treating process included naphtha absorption, light gas oil absorption and once through hydrogenation, etc.
10. The bases of this substance is naphtha, which has a very strong effect for health care.
11. Solvent naphtha is one of the five broad areas of petroleum products.
12. Fuel ( Gasoline and Naphtha ) cars of capacity 50 - thousand liters.
13. In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.
14. Methods: Apply microwave extraction in determining content of naphtha in Eupatorium Fortune.
15. Meanwhile, the lack of naphtha raw materials and the obsoleteness of production facilities and equipment will also affect China's aromatics production capacity.
16. The aromatic hydrocarbons content in naphtha was analyzed by a chemical reaction method.
17. The dry point of light naphtha is one important product quality parameter.
18. Light petroleum distillate , generally known as naphtha, was the logical choice.
19. Effects on inferior resid FCC naphtha quality were discussed by using the test data and the productive data.
20. I had been in the division only about three months, and barely knew what naphtha was.
21. A model for calculating the blending octane number based on the main components, such as MTBE, reformate, FCC naphtha, alkylate and straight-run gasoline, is presented.
22. A solvent-based vacuum filter-dryer for extracting sapogenin hydrolyzate was designed to improve working environment, increase efficiency of solvent naphtha and simplify the process.
23. He produced the desired results by joining two sheets of fabric with dissolved India rubber soaked in naphtha.
24. The experimental results showed that bimolecular reaction pattern was dominant over catalyst A, which resulted in lower dry gas yield and lower olefin content in cracked naphtha.
25. One byproduct he worked with was coal tar , which , when distilled, produced naphtha.
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26. The higher the hydrogen transfer activity of catalyst, the lower the FCC naphtha, and in the meanwhile, the coke yield increased and diesel yield decreased.
27. The taxpayers shall establish ledgers for delivering intermediate products for use for the self-produced naphtha used in their continuous production.
28. The copper belt corrosion was caused by H 2 S and active sulfur in naphtha.
29. The technical features, process design and commercial application of FDFCC cracked naphtha olefin reduction were described.
30. DCC catalyst consists of a modified mesopore zeolite with pentasil structure for primary product of naphtha range to undergo secondary cracking for producing light olefins.
31. Methods: The naphtha in Alpinia officinarum Hance was extracted and analyzed by GC to establish the fingerprint spectrum.
32. Objective:To extract and determine naphtha in fruit of Cuminum cyminum .
33. The fiber separating water-wash naphtha combination machine has high efficiency, large throughput, better product quality and can save human and non human sources.
34. Study of coke formation during FCC naphtha cracking was carried on a laboratory fixed - fluidized bed reactor.
35. Mix pure alcohol and naphtha in a ratio of 3:7.
36. Rising demand for naphtha results from the rapid growth of ethylene cracking capacity, along with that of the broader petrochemical and plastic industries.
37. The tubular reactor of Daqing naphtha pyrolyzer is simulated by a two - dimensional model.
38. A person familiar with the refinery set-up said that a naphtha pump could refer to a unit that transfers the light fuel into a hydrotreater before it is reformed into gasoline.
39. Other are less common, can include ethane, propane, butane and light and heavy naphtha.
40. Further, the previous analysis value of the naphtha dry point was regarded as a new independent variable for the soft sensor and the predicting correctness of the soft sensor was enhanced remarkably.
41. A refined petroleum naphtha, by its composition suitable for use as a carburant in internal combustion engines.
42. The catalyst is applicable to the hydroisomerization of the FCC naphtha.
43. Objective:To detect effects of Turmeric rhizome naphtha (TRN) on cell growth and gene expression of hepatocarcinoma cell SMMC-7721.
44. This study was based on the existing production unit with hydrotreated naphtha and the C6-C7 fraction of the reformate as feedstocks and sulfolane as solvent.
45. Various solvent naphtha fraction generally have to go through refining.
46. The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion[ ], which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.
47. Aircrafts have continued to fly on aviation fuels, kerosene fuel or a wide-cut fuel blended from heavy naphtha and kerosene, burned in the gas turbine combustor for many years.
48. A novel adapting partial least square regression (APLS R) approach was proposed to develop the naphtha dry point soft sensor of the primary distillation tower.
49. The coking and deactivation of virgin naphtha aromatization catalyst are studied on isothermal reactor.
50. Methods:To apply microwave extraction to determinating content of naphtha in fruit of Cuminum cyminum .
51. The article introduces development status of solvent naphtha productive technology both home and abroad.
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