naphthalene
n. 卫生球；臭樟脑
n.
萘（球），卫生球；
英英释义
naphthalene[ 'næfθəli:n, 'næp- ]
n.a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs
词组短语
refined naphthalene精制萘
双语例句
用作名词(n.)
The market of naphthalene at home and abroad is analyzed.
分析了国内外萘的市场。
In fact, camphor and naphthalene balls are different in nature.
事实上,樟脑和臭丸在性质上是不同的。
权威例句
Spectral Resemblances in Azulene and NaphthaleneExpression of naphthalene oxidation genes in Escherichia coli results in the biosynthesis of indigo.
A naphthalene with unusual bond alternation made by annelation with bicyclo[2.1.1]hexene units: aromaticity and reactivity
ChemInform Abstract: Mechanism of the Azulene to Naphthalene Rearrangement (MNDO-Berechnung)
Diarylamino substituted arylvinyl naphthalene compounds and a blue-light electroluminescent device having the compounds
Synergism between rutile and anatase TiO 2 particles in photocatalytic oxidation of naphthalene
A new fluoride selective fluorescent as well as chromogenic chemosensor containing a naphthalene urea derivative
Synthesis and spectral properties of a hydrophobic fluorescent probe: 6-propionyl-2-(dimethylamino)naphthalene.
Comparison of mechanisms controlling uptake and accumulation of 2,4-dichlorophenoxy acetic acid, naphthalene-1-acetic acid, and indo...
Differential stereoselectivity of cytochromes P-450b and P-450c in the formation of naphthalene and anthracene 1,2-oxides. The role ...
naphthalene (n.)
1821, coined by English chemist John Kidd (1775-1851), who first isolated and studied it, from naphtha + chemical suffix -ine (2) + -l- for the sake of euphony.
1. Or suppose the perishable substance of the spirit of Weimar falls asunder at the most untoward moment, despite the camphor and naphthalene, what then?
或者，假设魏玛精神的极易腐烂的体质，在最不幸的关头被碾成齑粉（尽管有樟脑丸和卫生球），那该如何是好呢？
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2. Condensate of Naphthalene sulfonates and formaldehyde with differing metal ions was prepared by way of dowexing or alkali neutralization and experiments were carried out on its properties.
通过离子交换树脂法或碱中和的手段，制备出具有不同金属离子的萘磺酸甲醛缩合物盐类．并对其性能进行了实验研究。
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3. The process of alkyl naphthalene preparation by alkylation, acylation and direct extraction are also discussed.
讨论了烷基化、酰基化和直接提取制备烷基萘的工艺路线。
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4. These measures are effective not only in raising the acceptable rate of the naphthalene content in gas, but also in lowering the consumption and prolonging the life of washing oil.
生产实践表明，该工艺改进效果明显，不但可以提高城市煤气萘含量的合格率，而且还可降低柴油洗油的消耗、延长柴油洗油的使用周期。
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5. The pure sample of 1,5-naphthalene di(methyl-carbamate) (NDC) was prepared and verified by melting point determination, HPLC, IR, MS, NMR and elemental analysis.
制备了1，5-萘二（氨基甲酸甲酯）（NDC）纯试样，并利用熔点测定、液相色谱、红外光谱、质谱、核磁共振和元素分析等手段进行了确认。
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6. Make up, can divide into carotenoid kind, anthracene quinone, naphthalene quinones , kinds of flavonoids, ginger flavin kind, indigo kind, chlorophyll 7 altogether according to chemistry.
按化学组成可分为类胡萝卜素类、蒽醌类、萘醌类、类黄酮类、姜黄素类、靛蓝类、叶绿素类共7种。
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7. The result can be used to predict sorption kinetics of phenanthrene and naphthalene to loess soils and, .
研究了萘和菲在天然黄土和阳离子表面活性剂改性黄土上的吸附动力学过程。
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8. The control of hydrolysis process of synthesizing technology of naphthalene-based superplasticizer strongly affects the water-reducing performance of final product.
萘系高效减水剂合成工艺中水解反应过程的控制对最终产品的减水性能影响很大。
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9. The problem of low efficiency of dephenolization by scrubbing the tri - mixed fractions (phenol, naphthalene and wash oil) produced from coal tar processing was analyzed and solved.
对焦油加工系统生产过程中的中间产品酚、萘、洗三混馏分洗涤脱酚质量差的问题进行了分析、解决。
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10. Then the stable carbon isotope composition of PAH series such as alkyl naphthalene and alkyl phenanthrene in crude oil samples of Tuha basin were determined on GC-IRMS.
并通过色谱-同位素比值质谱（GC-IRMS）技术对吐哈盆地原油中烷基萘和烷基菲等系列化合物的碳同位素组成进行测定。
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11. The process to prepare alkyl naphthalene by alkylation is the most ripe one, key technology of which is preparation of high efficient catalyst.
烷基化制备烷基萘是目前最成熟的工艺路线，其关键技术是高效催化剂的制备；
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12. The variation character of apparent consistency of the naphthalene and phenanthrene series compounds in oil has been detected by the technique.
用这一技术检测了常规采油过程中原油萘、菲系列化合物浓度的变化。
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13. Through the improvement, the industry naphthalene production increased 6% to 9.5%.
通过改进两工艺，使工业萘产率从6%提高到9.5%；
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14. The purification principle and method of technical naphthalene by melt crystalization, especially the falling film crystalization are introduced in this paper.
本文介绍了熔体结晶法，特别是降膜结晶法提纯工业萘的原理和方法。
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15. Application and preparation technology of several kinds of alkyl naphthalene are reviewed.
综述了各种烷基萘的用途和制备工艺；
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16. The careful control of the hydrolysis process of synthesizing technology of naphthalene-based superplasticizer strongly affects the water-reducing performance of final product.
萘系高效减水剂合成工艺中水解反应过程的控制对最终产品的减水性能影响很大。
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17. The effects of 1,2,4-trichlorobenzene and naphthalene on photosynthetic characteristics of rice leaves were studied.
研究了1，2，4-三氯苯和萘对抽穗期水稻叶片光合特性的影响。
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18. The heat transfer experiments were made in the working of temperature range of the naphthalene heat pipe, at small inclination angle.
根据萘热管的工作温度范围，对萘热管小倾角放置时的传热极限进行了实验研究。
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19. When the complex of anhydrous zinc acetate with 1,5-naphthalene diamine was formed, the anhydrous zinc acetate changed from a bidentate ligand to a unidentate ligand.
在无水乙酸锌与1，5-萘二胺形成配位络合物的过程中，无水乙酸锌的结构从双齿型转变成单齿型。
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20. Study on Synthesis, Structure and Reaction ofa New Compound 2, 3- Methylene- 5, 8 - Dimethoxy Naphthalene.
新化合物2，3—亚甲基—5，8—二甲氧基萘的合成、结构及反应的研究。
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21. If we can properly design exchanger of naphthalene heat pipe, then it maybe will be utilized at not more than 700℃ temperature.
本文还讨论了萘热管的应用前景，如果合理设计萘热管换热器，可望在低于700℃的烟气温度下使用。
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22. Be produced by rectifying the naphthalene fraction obtained from distilling coal tar, after acid wash.
分馏高温煤焦油所得的萘馏分，经洗涤，精馏而得。
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23. After quenching and tempering, material H13 steel core bar was broken during alignment There are naphthalene fractures on macroscopical fractures surface.
H13钢芯棒毛坯在调质热处理后的校正工序中发生断裂，宏观断裂面出现萘状断口。
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24. The feasibility of recovery of naphthalene from the residue of fractional crystallization process by extractive distillation is discussed.
探讨了用萃取精馏法从分步结晶萘残油中回收萘的可行性。
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25. Ultimately, it was determined to be liver toxicity from naphthalene secreted from an enormous colony of termites.
最终的确诊结果是由于大量白蚁分泌的萘引发的萘中毒。
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26. Naphthalene is the chemical found in mothballs, and one would think the distinctive odor would be noticeable at a level high enough to cause symptoms.
萘是一种化学成分，有独特的香味，需要相当高的浓度才会引发上述症状。
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27. In the case of dyeing knitted polyester fabrics, the problem of uneven dyeing may be solved by adding "auxiliary-P", an emulsified solution containing methyl naphthalene.
本文介绍用载体助染剂-P（甲基萘乳化液）回修涤纶经编坯布染色不匀的技术。
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28. This paper introduced the use of tar oil mixture as raw material in the production of naphthalene.
应用现有装置，把未洗三混直接作为工业萘原料。
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29. The developing status of the main producing technical for naphthalene, in especial petroleum naphthalene recent years inland and abroad are introduced.
介绍了近年来国内外萘的主要生产技术及发展状况，尤其是石油萘的生产技术。
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30. The developing status of the main producing technical for naphthalene, in especial petroleum naphthalene recent years inland and abroad are introduced.
介绍了近年来国内外萘的主要生产技术及发展状况，尤其是石油萘的生产技术。
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31. An insecticide containing a naphthalene - derived compound, C12H8Cl6.
艾氏剂含有萘衍生化合物的杀虫剂，
-- 来源 -- 英汉 - 短句参考
32. naphthalene ball
萘球, 卫生丸
-- 来源 -- 英汉 - 短句参考
33. A marble-sized ball, originally of camphor but now of naphthalene, stored with clothes to repel moths.
卫生球一种弹子大小的球，原本由樟脑制成，现在由荼制成，与衣物存在一起以驱除蛾子
-- 来源 -- 英汉 - 短句参考
34. a small sphere of camphor or naphthalene used to keep moths away from stored clothing.
用来使蛀虫远离储存的衣服的樟脑或萘的小圆球。
-- 来源 -- 汉英 - 翻译参考
35. Technical naphthalene
GB/T6700-1986工业萘
-- 来源 -- 英汉 - 翻译参考[网络]
36. sodium naphthalene
萘基钠
-- 来源 -- 英汉 - 翻译参考[网络]
37. refined naphthalene
精制萘
-- 来源 -- 英汉 - 翻译参考[网络]
38. anhydride naphthalene
萘酐
-- 来源 -- 英汉 - 翻译参考[网络]
39. Aromatic rings can be joined at a pair of adjacent carbons to yield compounds such as naphthalene, anthracene and chrysene.
芳环能在一对相邻碳上结合，生成萘、葸和?傅然0合物。
-- 来源 -- 英汉 - 辞典例句
40. "Like crude oil and natural gas, most petrochemicals consist mainly of carbon and hydrogen and are called hydrocarbons. Petrochemicals used as raw materials (feedstocks) include ethylene, propylene, Butadiene, Benzene, toluene, xylene, and naphthalene."
和原油和天然气一样,大多石油化学产品主要由碳和氢组成,称为烃。用作原材料的石油化学产品(「给料」)包括乙烯(最大量)、丙烯、丁二烯、甲苯、二甲苯等。
-- 来源 -- 英汉 - 翻译样例 - 自然
naphthalene
