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Three novel blue-light-emitting copolymers with bulky hole-transporting carbazole and/or electron-transporting oxadiazole pendant groups attached at the C-9 position of fluorene have synthesized.

在fluorene碳-9位置上导入具有电洞传输特性的carbazole基团或具有电子传输特性的oxadiazole基团之三个高分子材料已成功被合成。

Considering the low morphological stability of dye-doped polymer thin film and based on the above multi-chromophoric organic small molecules, six novel copolymers have been synthesized by the co-polymerization, in which there are three functions: 1, 8-naphthalimide as emitting moiety, oxadiazole as electron transporting moiety, and N-vinyl carbazole as hole transporting moiety.

考虑到有机小分子掺杂到聚合物膜中低的形态稳定性，我们在上面多发色团有机小分子研究的基础上，通过自由基引发共聚合成了六个新型的共聚物。在该类共聚物的侧链上含有三个功能团：1，8-萘酰亚胺单元、噁二唑单元和N-乙烯基咔唑单元。

In this paper, transparent Er(superscript 2+) ions doped oxyfluoride glass-ceramics was prepared by high temperature melting and thermal treatment technology. The changes of micro-crystals structure, UV-VIS absorption spectra and NIR emitting spectra occurred with the variety of Er(superscript 3+) concentrations were studied.

采用高温熔融及热处理工艺，制备了透明度良好的Er(上标 3+)离子掺杂的氟氧化物玻璃陶瓷，并研究了不同Er(上标 3+)离子掺杂浓度下，玻璃陶瓷微晶结构、紫外－可见波段吸收光谱、近红外发射光谱的变化。

TPA-PPV (M_W of 3000-4000 g/mol) is a good kind of polymeric light-emitting diodes material and has a high photoluminescent quantum yield, we prepared a series of TPA-PPV nanoparticles with diameters ranging from 20 to 100 nm by reprecipitation method.

结果如下： 1、以一种低分子量聚合物绿色电致发光材料TPA-PPV为目标分子，平均分子量为3000—4000，具有很高的荧光量子产率。

Reprecipitation. nanoparticles. size effects. organic light-emitting diodes.

有机超微粒，尺寸效应，自组装，有机电致发光二极管

The electrochemical light-emitting sensor has high sensitivity, fast response, good reproductivity, long service life and less consumption.

它的灵敏度高，响应快，重现性好，使用寿命长且所需要的发光试剂量少。

The study is for diffusely emitting, diffusely and specularly reflecting inner wall of tube and its bottom black body surface of a fictitious circle burner....

圆管壁为漫发射、漫反射镜反射混合分布，管底部为假想的圆形黑体辐射器。

During sex, women may experience squirting or ejaculation and think that what they are emitting is pee rather than 'cum'.

在性别，妇女，可能会遇到squirting或射精，并认为他们所排放的是工程师，而非'暨'。

The active element drives in a time-divisional fashion the at least two light emitting elements using the at least one emission control signal during the display time subperiod of the display time period.

在显示周期期间每子显示周期期间所述有源元件使用至少一个发光控制信号分时驱动至少两个发光元件。

Therefore, zinc oxide and Eu~(2+)-activated strontium aluminate green phosphors were synthesized for the fluorescence conversion of near ultraviolet light-emitting diode, and their properties were examined by means of photoluminescent spectra, thermoluminescent spectrum, X-ray photoelectron spectroscopy and X-ray diffraction.

本研究针对近紫外LED荧光转换材料的要求，采用荧光光谱，热释光谱，X射线光电子能谱，X射线衍射等分析手段，重点研究ZnO绿色荧光粉和Eu~(2+)激活铝酸锶绿色长余辉荧光材料的合成，或提高发光效率和稳定性的新方法及其相关机制。并在以下几方面取得了一些进展： [1]将ZnS与一定量的卤化物MX(X=F，Cl，Br，I；M=Na，K，NH_4，Zn，ZrO)一起煅烧合成出发光性能优良的、具有六方纤维锌矿结构的ZnO绿色荧光粉。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。