from crude petroleum; used for candles and for preservative or waterproof coatings
a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)
(British usage) kerosine
双语例句
1. Paraffins have high diesel indices.
链烷烃的柴油指数最高。
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2. Paraffins have high diesel indices .
链烷烃的柴油指数最高。
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3. Alkeane Carbon Number Distribution of Paraffins;
石蜡碳数分布；
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4. Compostions of gasoline varies from olefins to paraffins and aromatics.
汽油组成发生变化，烷烃、芳烃含量增加，烯烃含量降低。
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5. The research developments of n-paraffins hydroisomerization were reviewed.
综述了对正构烷烃临氢异构化反应进行的研究。
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6. It is a mixture of different hydrocarbons, its main components are paraffins.
它由不同的碳氢化合物混合组成，其主要组成成分是烷烃。
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7. In addition, deoilers produce 20 percent of the world's fully refined paraffins.
另外脱油蜡生产占到全球全精炼生产能力的20%。
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8. The varieties, properties and applications of the series of halogenated paraffins were summarized.
综述了卤化石蜡系列阻燃剂的品种、性能和用途。
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9. Paraffinic having the characteristics of paraffins saturated hydrocarbons of open chain structure.
石蜡族具有石蜡的特性、开放式结构的饱和烃。
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10. Paraffinic Having the characteristics of paraffins, saturated hydrocarbons of open chain structure.
石蜡族具有石蜡的特性、具开放式结构的饱和烃。
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11. The liquid paraffins obtained from urea-dewaxing process generally contain aromatic hydrocarbons in the range of 3~10%.
用尿素脱蜡方法生产出来的液体蜡，一般都含有3～10%的芳香烃。
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12. The results indicated that the adsorption breakthrough times of various n-paraffins increased with the increase of n-paraffins' carbon number.
结果表明，随着碳数的增加，各正构烷烃穿透床层的时间增加。
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13. In the REPEX report of September 18th, 2015, EU recalled a bath mat due to it contains 0.53% by weight short chain chlorinated paraffins (SCCPs) 1.
14. Carbon deposits on two Pt-Sn commercial catalysts for the dehydrogenation of paraffins have been studied by temperature programmed oxidation (TPO).
利用程序升温氧化、差热分析、热重等方法考察了两种长链烷烃脱氢工业铂锡催化剂表面的积炭特征。
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15. That is dehydrogenation and cyclization of paraffins, dehydrogenation and aromatization of naphthenes, and cracking reaction to form C 5 lighter products.
集总组分之间主要发生烷烃脱氢环化、环烷烃脱氢芳构化和加氢裂化反应。
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16. The technology of separating normal paraffins from the naphtha through the adsorption process was studied to optimize the steam cracking feedstock and utilize the naphtha resource properly.
为了优化乙烯裂解原料并合理利用石脑油资源，将石脑油中的正构烷烃进行分离。
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17. Simulated moving-bed (SMB) adsorption is used for the separation of paraffins, i. e. , dewaxing by molecular sieve, which is one of the important processes in the production of alkyl benzene.
为提高分子筛脱蜡过程的效率，降低消耗，用模拟移动床动态吸附模型对分子筛脱蜡过程进行了模拟计算。
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18. The flowability improvement by using commercial pour point depressant WHP is studied for Zhengwangzhuang viscous crude oil of Shengli, containing 56.9% wax, of which 96.6% is noraml paraffins.
19. Brief chlorinated paraffins add colour principle, detail introduce chlorinated paraffins colour in excess of standard specific phenomena analyse add colour in no qualify standard cause and solve way.
20. Brief chlorinated paraffins add colour principle, detail introduce chlorinated paraffins colour in excess of standard specific phenomena analyse add colour in no qualify standard cause and solve way.
