掺杂

The invention adopts a low temperature solid state reaction method, proceeds from europium oxide, molybdenum oxide and strontium carbonate, and can synthesize the UV-excited europium-doped strontium molybdate LED red phosphor having stable chemical performance without high temperature calcinations. The method is high in maneuverability and good in reproducibility. The obtained product is stable in quality and regular in appearance.

本发明采用低温固相反应法从氧化铕，氧化钼与碳酸锶出发可以不需要高温煅烧合成出化学性能稳定、紫外激发LED用铕掺杂钼酸锶红色荧光粉，本发明方法的可操作性强，重现性好，所得产品质量稳定，形貌规整。

They were gathering the pink sulla, purple wisteria, mixing them with orange and lemon blossoms.

她们正在采摘粉红色的雏菊和紫红色的紫藤，打算再摘些柑橘花柠檬花掺杂在一起。

In chapter 5 and 6, the doping effects on crystal structures and superconductivity of BKBO and BPBO samples are studied.

第五章和第六章分别研究掺杂对BKBO和BPBO样品晶体结构及超导电性的影响。

Also we give a brief review on the explanation of the mechanism of high-temperature superconductivity.

第二章 研究了磁性离子Ru掺杂对LSCO体系的影响。

The recent research progress in effects of doping and irradiation on the superconductivity of MgB2 is reviewed and discussed in this paper.

分别从掺杂和辐照两个方面论述了改善MgB2超导电性的研究进展。

It is described in this superlative way for the following reasons...

这种类型的人对所有人都很友善，但绝不掺杂个人的情感在内。你寻求。。。

In this thesis, three major achievements were made in theoretical study: conditions and rules for preparing nano-powders by chemical precipitation are analyzed from the point of view of thermodynamics and kinetics, the principle, standards and experimental method for the aqueous dispersion of nano-scaled metal oxide powders were proposed and verified, mathematical model of nano-filming addition of dopants by chemical coprecipitation was established. In experimental research, nm-ZnO, nm-Bi〓O〓, nm-Co〓O〓 and nm-MnO powder with spherical shape, narrow particle size distribution and small particle size were prepared successfully, highly stable and dispersive aqueous suspensoid of nm-ZnO, nm-TiO〓, nm-Co〓O〓 and nm-MnO powder were prepared successfully and surface modification on these nano-powders was also achieved, 0-3 nanocomposite ZnO varistors with nm-ZnO, nm-TiO〓and nm-MnO respectively were prepared successfully by conventional mechanical attrition, and exhibited much better electrical properties than those of conventional varistors.

综上所述，本文在理论研究方面取得了三项成果：（1）从热力学和动力学角度推导并分析了液相化学沉淀法制备纳米粉体的反应条件和规律，（2）提出了纳米氧化物的水分散体系的设计原理、规范和通用实验步骤，（3）提出了共沉淀的数学模型和计算方法；在实验方面所取得的成果有：（1）成功制备了粒度小、分布窄、形貌对称的纳米氧化锌、纳米氧化铋、纳米氧化钴和纳米氧化亚锰，（2）成功地制备了纳米氧化锌、纳米二氧化钛、纳米氧化钴和纳米氧化锰的高稳定分散悬浮液并实现了干粉体的表面改性，（3）成功地进行了纳米氧化锌、纳米二氧化钛和纳米氧化锰对压敏电阻的0—3复合掺杂实验，试样性能远优于常规压敏电阻，为实现压敏电阻的高能高压化提供了新的方法和思路。

The reciprocal space mappings of symmetric reflection (0002) and asymmetric reflection (1014) were measured by means of the high resolution X-ray diffraction .

5利用高分辨X射线衍射方法测量了用MOCVD方法制备的调制掺杂Al〓Ga〓N／GaN异质结构的（0002）和（1014）倒易空间Mapping，研究了异质结构的晶格应变及其弛豫状态。

This paper began with the synthesization of SnO_2 and In2O3 materialwhich are the basic material mixed mainly with La_2O_...

在In2O3基体材料中掺杂5wt%的La2O3对10×10-6和300×10-6体积分数的甲醛分别有4和25倍的灵敏度。

The method solves the problems of slow response time and low light injury resistant ability of a doped lithium tantalite crystal prepared by the prior art.

它解决了现有技术制备掺杂的酸锂晶体存在响应时间慢和抗光损伤能力低的问题。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。