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词汇 naphthalene
释义 naph·tha·line 英ˈnæfθəˌliːn, ˈnæp-美ˈnæfθəˌlin, ˈnæp-AHDnăfʹthə-lēn', năpʹ- 高COCA⁹⁶³⁷¹BNC⁶⁷⁶²⁴iWeb⁴³⁵⁴⁹
基本英英词源搭配记法派生词例句例句
n.萘球¹¹;卫生球⁴⁴;臭樟脑⁴⁵形容词naphthalenic
Noun:
a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs来自naphtha,石脑油,-ene,化学名词后缀。因提取自石脑油而得名。naphthalene green萘绿naphthalene tetrachloride四氯代萘naphthalene acetamide萘乙酰胺chlorinated naphthalene氯化萘alkyl naphthalene烷基萘naphthalene dichloride二氯代萘naphthalene chloride氯代萘naphthalene ball卫生球,卫生丸…naphthalene oil萘油naphthalene red萘红naphthalene derivatives萘的衍生物hydrogenated naphthalene氢化萘refined naphthalene精制卫生球crude naphthalene工业萘
naphth-萘-al醛-ene烯⇒n.萘球¹¹;卫生球⁴⁴;臭樟脑⁴⁵n.化臭樟脑⁴⁵;石脑油精;化萘球卫生球⁴⁴Pparanaphthalene蒽Pchloronaphthalene氯萘Pfluoronaphthalene氟萘Pmethylnaphthalene甲基Pnaphthalenedione萘二酮Pnitronaphthalene硝基萘Ppetronaphthalene石油萘Pbinaphthalene联萘联二萘Pbremnaphthalene溴代萘Pdinaphthalene联萘联二萘Pethoxynaphthalene乙氧萘Pbenzonaphthalene苯甲酸萘Pdioxynaphthalene二羟基萘Ptetrahydronaphthalene四氢Pazoxynaphthalene氧化偶氮萘Pmethoxynaphthalene甲氧基萘Pnaphthaleneacetamide乙酰氨Phydrazonaphthalene12-二萘肼Pnaphthalenesulfonate萘磺酸盐Poctahydro-naphthalene八氢化萘Ptrimethyl-naphthalene三甲基萘Ppolyhydronaphthalene聚二氢化萘Palpha-methyl-naphthaleneα-甲基萘Pdecahydronaphthalene十氢化萘萘烷Pbenzenehydrasinonaphthalene苯肼基萘

名词100%
用作名词The market ofnaphthaleneat home and abroad is analyzed.分析了国内外萘的市场。
In fact, camphor andnaphthaleneballs are different in nature.事实上,樟脑和臭丸在性质上是不同的。 The branch crystal craft system to make tar naphthalene, has strongpoints of high efficiency, saving much energy, strong separation ability.
分部结晶工艺制取焦油萘,具有设备效率高,节能效果明显,分离能力很强的优点。 dictall

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。 cnki

The increasing concentration of oleum or the reaction temperature or the ratio of oleum to naphthalene results in the decreasing yield of1,5- Naphthalenedisulfonic acid.
发烟硫酸浓度的增大、反应温度的提高、发烟硫酸与萘的配比的增大,都使得1,5-萘二磺酸收率降低。 cnki

The influence of solid superacid preparation on its properties and naphthalene oligomerization was investigated in this paper.
研究了固体超强酸催化剂制备条件对催化剂性质及萘齐聚反应的影响。 dictall

The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared spectroscopy.
用红外光谱法测定了防蛀剂中对二氯苯和萘的含量。 dictall

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。 chemyq

The reasons of the gas pipeline plugging are: accumulating water, accumulating naphthalene, in purity, gas glues, hydrate material, ice and frost, ammonium carbonate, etc.
燃气管道堵塞的原因主要有以下几类:积水、积萘、杂质、煤气胶、水化物、冰霜及碳酸铵盐等。 http://dict.cnki.net

The naphthalene derivative with advanced optical and electrical properties has become an extensively studied area of liquid crystalline material for display in recent years.
新型的萘环衍生物类液晶化合物具有优越的物理性能,是近年来显示用液晶材料研究的热点领域。 zidian8

Chemical Agents: silica dioxide, diatomite, sodium silicate, wood calcium, sodium lignin sulfonate, naphthalene series water reducer.
化学助剂:白炭黑、硅藻土、铝硅酸钠、木钙、木质素磺酸钠、萘系减水剂。 mychemy

Dispersants such as lignin type, naphthalene sulfonate- formaldehyde condensates and polycarboxylic acids were introduced.
介绍了木质素类分散剂、萘磺酸甲醛缩合物和聚羧酸系分散剂。 dictall

Hydrogenation of naphthalene and tetralin can be improved by the high pressure employed.
提高加氢反应压力,萘的转化率和四氢萘的芳环加氢程度提高; cnki

Methods The blood selenium of82 healthy elderly in Xinxiang city was determined by 2,3-diamine naphthalene fluorescence method.
方法采用改进的2,3二氨基萘荧光法测定了新乡地区82例健康老年人的血硒含量。 cnki

The fourth is cyclic compounds naphthalene.
第四为稠环化合物萘; cnki

The ecological risk of naphthalene pollution was relatively small around Tiebutie contaminated site of Daqing City.
结果表明,大庆市贴不贴纳污泡周边土壤中萘污染的生态风险较小。 cnki

The method and adhesive process for Sodium- Naphthalene solution activating PolytetrafluorethylenePTFE surface were described, and the properties of adhesive were tested.
叙述了钠—萘溶液活化聚四氟乙烯表面的方法和粘接工艺,并测试了粘接件的主要性能。 chemyq

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。 cnki

The12 of low polar components of Anabasis Aphylla L. were separated and identified by gas chromatography- mass spectrometry. They are naphthalene and azulene species.
采用气相色谱-质谱测定无叶假木贼低极性化学成分,分离鉴定了12个化合物,它们是萘类与类化合物。 chemyq

These results indicated that degradative and transposable genes of the naphthalene- degrading bacteria are highly conserved.
这些结果表明,萘降解细菌的降解基因和转座基因具有高度的保守性。 cnki

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。 lkong

Naphthalene series of high range water reducing agents is a kind of an excellent water reducing admixture widely in use.
萘系高效减水剂是一种用途较广性能优越的高效减水剂。 cnki
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