上转换现象是稀土元素激光材料具有的特性。
The phenomenon of up-conversion is the peculiar property of rare earth ions.
提出了四能级耦合系统的光子雪崩上转换模型。
A model of the photon avalanche in a four level coupled system is proposed.
文章给出了红外上转换材料的激励光谱和发射光谱。
The stimulation wavelength spectrum and emission wavelength spectrum of samples were given out.
由J- O理论可知，上转换效率跟基质材料有很大关系。
According to the J-O theory, the efficiency of up-conversion is seriously dependent on host materials.
稀土离子掺杂碲酸盐系统玻璃是一类应用前景良好的上转换发光材料。
Rare earth ions doped tellurite glasses are kinds of upconversion fluorescence materials which have good application prospect.
提出了一种利用共焦光学结构来检测红外上转换材料被激发光的方法。
A novel detector with confocal optical configuration was fabricated for detecting the weak emission light of infrared up-conversion material.
为设计研究稀土掺杂能量上转换材料提供了有理论和应用价值的结果。
The results provide some practical guidance to prepare rare-earth doped energy up-conversion materials.
实验结果表明本文的帧速率上转换算法可以获得更好的主观视觉效果。
Experimental results illustrate that the proposed frame rate up-conversion algorithm can obtain very good subjective vision quality.
它具有较低的声子能量，较好的上转换发光强度，机械性能也比氟化物强。
This material is in low phonon energy state. It has better up conversion intensity, and its mechanism is better than fluoride.
以上结果可以为上转换发光纳米粒子在生物医学领域的应用提供有益的参考。
The results presented in this study provide a new insight for the upconversion luminescence nanoparticles in the biomedical applications.
利用稀土离子在氟化物光纤中的上转换特性，可以获得性能优良的光纤激光器。
Furthermore, the energy levels of rare earth ions in fluoride glasses have long lifetimes, and much more substable levels can be formed, thus upconversion laser transition is abundant.
利用稀土离子在氟化物光纤中的上转换特性，可以获得性能优良的光纤激光器。
The rare earth doped fluoride glasses can be made into favorable optical fiber lasers owing to their excellent upconversion characters.
氟氧化物玻璃陶瓷是具有氧化物的机械性能和氟化物的低声子能量的新型上转换发光材料。
Oxy fluoride glass ceramics is a new up converted luminescent material with strong mechanical strength just like oxide and low phonon energy just like fluoride.
对于确定的上转换材料，当选用恰当的激发光源进行激发时，可得到唯一确定的转换光谱；
As to the upconversion material assured, the single and definitive conversion spectrum can be got when the adapted optical pumping source is selected.
目前研究工作的重点仍然是寻找最佳的上转换发光材料和深入理解上转换发光的激发机理。
Research works recently still focus on looking for the best upconversion materials and on understanding the upconversion excitation mechanism in depth.
通过对上转换的研究可以得到效率更高的激光器，而提高上转换效率是当前研究的重中之重。
High efficient laser could be obtained by up-converting, so a most important task is to improve the efficiency of up-conversion.
在数字正交调制原理的基础上，宽带信号的产生问题实际上转换为如何得到高采样率下的时域基带信号。
Based on the principle of digital orthogonal modulation, the generation question of wide-band signal is factually identical with how to generate base-band signal with high sampling in time domain.
用实验方法研究了三种新激光染料PSPI,DEASPI和HEASPI的双光子吸收荧光和上转换激射。
The properties of two photon induced fluorescence and up conversion lasing of three novel laser dyes, PSPI, DEASPI and HEASPI, have been experimentally investigated.
通过对样品的反斯托克斯喇曼光谱的测量，确定了基质的最大声子能量，在此基础上分析了上转换荧光的产生机制。
The maximum phonon energy is obtained by measuring anti stokes Raman shifts of the samples, and the up conversion mechanism is briefly discussed.
想使XML数据对各种浏览器都适用，我们必须在服务器上转换XML文件，并把它以XHTML的形式发送回浏览器。
To make XML data available to all kind of browsers, we must transform the XML document on the SERVER and send it as XHTML back to the browser.
如果可能的话，让客户机与要存取的数据库使用相同的代码页，以避免在服务器上的转换代价。
If possible, have the client running in the same code page as the database, to avoid conversion costs on the server.
我把目光从花样繁多的倒置转换器广告上移开。
I averted my eyes from the diverse advertisements for the invert converter.
因此，如果使用远程搜索服务器，还需要在远程服务器上安装远程转换服务。
Therefore, if you use a remote search server, you also need to install the remote conversion service on the remote server.
此光在时间上的特性转换为频率数量后看起来便像一个梳子。
The properties of the light over time are converted to frequency Numbers to make what looks like a comb.
本文提供了怎样在JET模板的基础上定义基本转换的具体指南。
This article provided step-by-step instructions on how to define a basic transformation based on JET templates.
账户2099621被用于权益规范中的净利润上的转换差异，以允许净利润(在权益规范中)的期末余额2099699按期末汇率转换。
Account 2099621 is used for conversion differences on net profit in the equity specification, to allow the closing balance for net profit (in equity spec) 2099699 to be converted at closing rate.
一旦关联定义完毕，你就可以在实际模型上执行转换了。
Once the relations have been defined, you can execute the transformation on actual models.
转换的方向(源和目的)实际上是在你调用转换引擎时被定义的。
The direction of the transformation (source and target) is actually defined when you invoke the transformation engine.
我们基本上都有哪些100%的转换率。
实际上，如果对转换进行良好的文档记录，甚至可以在配置中混合声明式语句和命令式语句。
In fact, if the transformation is well documented, you can even mix declarative and imperative statements within your configuration.
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