英语释义

1. a colorless crystalline cyclic hydrocarbon C13H10 that has a violet fluorescence and that is obtained usually from the coal-tar distillate which boils between naphthalene and anthracene; ortho-diphenylene-methane

片语

Fluorene D10氘代芴

fluorene derivative芴衍生物

Fluorene Solution芴

fluorene series芴系

bisphenol fluorene双酚芴

refined fluorene精芴

fluorene compounds芴类化合物

Hydroxy Fluorene芴醇

fluorene trimer寡聚芴

英汉例句

• fluorene and dibenzofuran are important chemical materials, which are mainly used for preparation of medicines, synthesizing dyes and accessory ingredients etc.

  芴和氧芴是重要的有机化工原料，主要用于制药、生产染料及各种助剂等，市场开发价值很大。

• in addition, salt water reduction environment advantageous to the formation of fluorene series and sulfur fluories compounds is also advantageous to the preservation of naphthalene series compounds.

  此外，有利于形成芴系和硫芴系列化合物的咸水还原环境，同样也有利于萘系化合物的保存。

• the extraction and refining process includes distillating washing oil or anthracene oil to get fluorene distillate, then crystallizing the fluorene distillate to get fluorene using cooling or solvent.

  芴的提取精制过程是先间歇蒸馏洗油馏份或蒽油馏份切取芴主馏份，再采用冷却结晶法或溶剂结晶法精制芴主馏份得到芴。

• a simple and mild method for the synthesis of fluorenol was studied. 9 bromofluorene (9 bf) can be selectively obtained by the photochemical reaction of fluorene with n bromosuccinimide (nbs).

  研究了芴与n 溴代丁二酰亚胺（nbs）的光化学反应及其溴代产物的水解反应，提供了一种温和、简便的制备芴醇的方法。

• starting from 2,7-dibromofluorene, two aryl substituents were introduced to the 9position of fluorene to replace the commonly used alkyl groups to increase the stability of fluorene.

  以2，7-二溴芴酮为原料，在芴的9位引入三苯胺等芳香取代基代替烷基取代基，增加9位的稳定性。

• these analysis were proved by the actual separation experiments of biphenyl and fluorene on the smbc system.

  通过具体的分离实验，验证了三带模拟移动床色谱的主要操作参数切换时间对分离结果的影响。

• in the copolymers of fluorene and dbt, the efficient energy transfer due to exciton trapping on narrow band-gap dbt sites has been observed.

  在芴与dbt的共聚物中，观察到了由于激子在低带隙单体dbt位置的捕获而产生的有效的能量转移。

• using the cbptm-5 capillary column, the contents of various constituents in the industrial fluorene are determined.

  本文应用cbptm-5毛细管柱，对工业芴中各组份含量进行测定。

• the invention provides a method for preparing 2, 7-dibromo-4-nitrofluorenone, comprising the followings steps: carrying out oxidation reaction on fluorene to obtain 9-fluorenone;

  本发明提供了一种2，7-二溴-4-硝基芴酮的制备方法，步骤包括：将芴通过氧化反应制得9-芴酮；

• effects of polymer structure on light-emitting properties were investigated by using different copolymerizing units, such as biphenyl and fluorene .

  通过改变不同的共聚基团，如芴和联苯等，研究了聚合物结构对其发光性能的影响。

• on the other hand , the strain can use better nh4no3 and phenanthrene, but not fluorene .

  此外还发现菌株表现出对nh4no3和菲的较好的利用性，而对芴的利用显得并不理想。

• a novel analytical method has been established for on-line simultaneous determination of fluorene and acenaphthene by polarization synchronous fluorometry(psf)hyphenated with hplc.

  本文以高效液相色谱（hplc）作为分离手段，以偏振同步荧光法为检测手段，实现了环境样品中芴、苊的在线同时测定。

• this paper studies the synthesis of the philippines from 9-hydroxy fluorene -9 - formic acid to its bromide process.

  本文研究了由菲醌合成9-羟基芴-9-甲酸到其溴代的过程。

• the vibronic features in the pl spectra are shown to associate with the stretching of the connection bonds between fluorene units.

  而在实验中放射光谱所量测到的振动-电子能阶耦合经过计算证明是和两芴基间的单键震动模式有关。

• the technical fluorene has been refined from the heavy wash oil with xylene. the optimum technological process and operation conditions are selected by the experiments.

  以重质洗油为原料，二甲苯为溶剂精制工业芴。试验选出最佳的工艺路线与操作条件。

• the electronic clouds focus on the main chain fluorene units but none on side ones on both homo and lumo.

  homo和lumo上电子云主要集中在主链芴环上，侧链上几乎没有电子云分布，与其它轨道相比电子流动性较强。

• compared with pbo, amorphous structures of the copolymers were observed with the existence of fluorene units in the main chains.

  结果表明：聚合物主链上辛基芴基团的引入使聚合物结构从晶态转变为非晶态。

• disclosed are a novel fluorene derivative, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition.

  本发明公开了一种新的芴衍生物、包含该芴衍生物的液晶组合物和采用该液晶组合物的光学膜。

• the rtp condition of fluorene and acenaphthene on the bonded filter paper was examined in detail.

  详细的考察了芴和苊在修饰滤纸上室温磷光条件。

• a method for preparing 2-bromo-7-nitrofluorenone comprises the followings steps: carrying out oxidation reaction on fluorene to obtain 9-fluorenone;

  一种2-溴-7-硝基芴酮的制备方法，步骤包括：将芴通过氧化反应制得9-芴酮；

• fluorene is an important material in organic chemical industry. it is usually extracted from the washing oil or anthracene oil distillate of coal tar.

  芴是重要的有机化工原料，多从煤焦油的洗油馏份中提出，也可从蒽油中提出。

• the technical fluorene has been refined from the heavy wash oil with xylene.

  以重质洗油为原料，二甲苯为溶剂精制工业芴。

• the fluorescence of fluorene on both the solid surface were not observed which should need the further investigation.

  芴的固体表面荧光未曾观测到，原因有待于进一步研究。

• the content of germanium and molybdenum in bidens bipinnata l. was determined at the same time by benzene base fluorescence ketone (benzene fluorene ketone)-ctmab spectrophotometry.

  采用苯基荧光酮（苯芴酮）-ctmab分光光度法对鬼针草中锗和钼的含量同时进行了测定。

• fluorene and its derivatives have a wide energy gap, which is beneficial to blue emission, and becomes the hot topic of blue emitting materials.

  聚芴类材料及其衍生物和共聚物有比较高的能带宽度，实现蓝光发射，成为当今蓝光材料的研究热点之一。