Abstract: the fluorescence emission of rare earth doped nanocrystal depends on the optical active ion and its matrix structure.
摘要：稀土掺杂纳米体系的荧光发射过程主要取决于稀土离子的性质和基质结构。
And then, the category of laser ceramic, laser active ion, laser spectrum characteristic and the method of making laser ceramic are introduced respectively.
接着分别介绍了激光陶瓷的种类、激光离子、光谱与激光特性和激光陶瓷的制备方法。
Conventional lithium-ion or nickel metal hydride rechargeable batteries contain active material that is placed into a thin film.
传统的锂离子以及金属氢化物镍蓄电池中所含有的活性物质被放置在一个薄膜中。
The new method in the determination of negative ion surface-active agent is introduced, comparing with methylene blue method, it have merits of simple operation step and little dosage.
介绍了水中阴离子表面活性剂测定新方法，该法与亚甲蓝法比较，具有操作步骤简单，萃取剂用量少的优点。
Nowadays researches are very active on calcium ion metabolism and exercise fatigue, but most of them are concentrated only on mitochondria or sarcoplasmic reticulum.
目前，有关钙离子代谢与运动性肌肉疲劳的研究十分活跃，但都是从线粒体、肌浆网单方面因素考虑的。
The process of reclaiming valuable metals in positive active materials from spent lithium ion batteries was studied.
研究了湿化学法从废旧锂离子电池回收正极活性材料中有用金属的工艺。
They were used as active material of anode materials for lithium ion batteries respectively, using constant-current cell tester to test their electrochemical properties.
将其分别作为锂离子电池负极材料的活性物质，利用恒电流电池测试仪研究它们的电化学性能。
Lignin consists of both aromatic and aliphatic portions containing many active functional groups, which suggests some ion exchange and adsorption properties.
木质素结构中含有芳环、脂肪族侧链和许多活性官能团，具有一定的离子交换与吸附性能。
The result shows that high content fly ash active powder concrete has small volumetric shrinkage and excellent anti-carbonization resistance to penetration of chlorine ion and to sulfate corrosion.
研究结果表明，大掺量粉煤灰活性粉末混凝土具有较小的体积收缩率，抗碳化、抗氯离子渗透、耐硫酸盐浸蚀性优异。
In the paper, a PVC membrane picric acid anion selective electrode is developed using Bromhexadecyl pyridine picrate ion pair as the active component and dioctyl phthalate as the plasticizer.
本文用苦味酸溴代十六烷基吡啶离子对作为电活性物质，以邻苯二甲酸二辛酯为增塑剂，研制成以PVC为基质膜的苦味酸离子选择电极。
In several ionic living polymerization systems, there are two kinds of active species such as ion pairs and free ions, or contact ion pairs and solvent separated ion pairs.
在一些离子型活性聚合反应体系中，存在两种具有链增长反应活性的物种，例如自由离子和离子对。
The reasons of such high organic sulphur content was related to less active iron ion in sedimentary basin.
有机硫高的原因与沉积盆地中活性铁离子较少有关。
The metal ion may be the catalytic center of the cofactor, or it may serve to bind the enzyme and substrate together to hold the enzyme in a catalytically active conformation.
金属离子可以是辅助因素的催化中心，也可以帮助形成酶活性所必须的构象。
As a research hotspot, amorphous solids electrolyte for lithium-ion secondary batteries has become one of the most active fields in condensed matter physics and an advanced part in material science.
锂离子二次电池非晶态电解质作为研究热点，同时也是凝聚态物理学中最为活跃的领域之一，并且成为材料科学的一个前沿部分。
The activity of life is an effect of different chemical reactions by lots of biological active substances, and metal ion is one important kind of them.
生命活动是由许多生物活性物质参加的各种化学反应的结果，金属离子就是其中重要的一种。
The calcium absorption enhancer comprises a water-soluble calcium particle capable of releasing a calcium ion in an aqueous solution in a sustained manner as an active ingredient.
本发明的钙吸收增强剂包括能够在水溶液中以缓释方式释放钙离子的作为有效成分的水溶性钙颗粒。
The study situation of cane juice decolorization in a few years were reviewed, included surface active agents, ion exchange, absorption decolorization, redox decolorization and so on.
综述了近几年蔗汁脱色的研究概况，介绍了表面活性剂、离子交换技术、吸附脱色、氧化还原脱色等技术及其应用情况。
A CMOS image sensor and a method for fabricating the same are disclosed, in which the boundary between an active region and a field region is not damaged by ion implantation.
公开了一种CMOS图像传感器及其制造方法，其中在活性区与场效应区之间的边界未被离子注入损坏。
After comparison of analysis methods of free chlorine and active chlorine, it confirmed the influences on analysis results from nitrite ion.
通过对氯碱生产中一次盐水游离氯及有效氯含量分析方法的对比，确定了亚硝酸根离子对分析结果的影响。
The different extraction methods are compared in the determination of negative ion surface active agent. The steps are simplified and the efficiency is improved.
通过对水中阴离子表面活性剂测定中不同萃取方法的比较，从而简化操作步骤，提高了工作效率。
I am familiar with kinds of ion exchange resins, active carbon, carclazyte adsorption and so on.
熟悉各种离子交换树脂活性碳白土吸附洗脱性能。
Richly contain chamomile extract, natural floral aromatic essence active oxygen ion, moisturize skin, relieve strain and fatigue for a whole day.
富含洋甘菊萃取液、天然花草香芬精华及活氧离子，清洁滋润肌肤的同时舒缓肌肤一整天的紧张和疲劳。
The composite was investigated by XRD and XPS, its electrochemical performance as anode active materials for lithium ion batteries was studied, and its chemical mechanism was discussed.
利用X射线衍射（XRD）、X射线光电子能谱（XPS）对材料进行表征，并将复合材料用作锂离子电池负极材料，研究了它作为负极的电化学性能，并初步探讨了化学机理。
The physical therapy has many kinds, for instance the laser, the microwave, the ion infiltrate and so on to be possible the active control adnexitis.
理疗有很多种，比如激光、微波、离子透入等都可以有效控制附件炎。
In addition, the poly tiles themselves increase the thickness of the isolation between active silicon regions when it must serve as a self-aligned blocking layer for an ion implantation step.
另外，当有源硅区之间的隔离必须充当一离子注入步骤的一自行对准阻挡层时，所述多晶硅瓦片本身增加所述隔离的厚度。
High effective positive ion active formula, soften and smoothen clothes, reduce static electricity of fabric, eliminate harmful germ, leave sweet well. Apply to towel.
高效阳离子活性配方，洗后衣物柔软顺滑，它能降低织物表面表静电，清除有害病菌，留下怡人清香。适用于毛巾、浴巾等的处理。
Carbenium ion is an active intermediate state in organic reactions, which has been investigated for over 100 years.
正碳离子是有机化学反应过程中一种活泼的反应中间体，对于它的研究已经有100多年的历史。
It is an effective way to develop new active materials, with the high specific capacity, of cathodes for increasing the specific capacity in the lithium (ion) batteries.
开发高比容量的正极材料是现今提高锂(离子)电池的能量密度的最有效途径之一。
A novel S-containing polymer for the active composite material of cathode of the lithium ion battery was synthesized by heating polyacrylonitrile and elemental sulfur in certain conditions.
采用聚丙烯腈与单质硫在一定条件下合成了一种新型含硫复合材料。
The effect of LiCl concentration on deposition potentials of Li ion at al cathode in KCl - LiCl melt was studied and average active coefficient of LiCl was obtained.
还研究了在氯化钾-氯化锂体系中，氯化锂浓度对锂离子在铝阴极上析出电位的影响，求出了氯化锂的平均活度系数。
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