掺杂

Characteristics of Scandate cathodes with Scandia doped tungsten bodies have been investigated in this work.

本文研究具有氧化钪掺杂钨基体钪酸盐阴极的性能。

The properties and particle fining mechanism of the doping powders, microstructure and the distribution of Scandia and surface behavior of the matrix have been investigated compared with that of with mechanical mixing scandia and tung.

利用扫描电镜、能谱分析仪和原位俄歇电子谱仪等现代分析技术研究了掺杂钨粉的特性、氧化钪-钨基体的结构特征、稀土元素在基体内的分布、表面特性。

The im-pregnated cathodes with sub-micron scandia doped tungsten matrix exhibited excellent emission property. The

即时信息，与亚微米斯坎迪亚pregnated掺杂钨阴极基体具有良好的发射性能。

Doping of silicon nanowire is one of effective means to manufacture silicon nanowire semi -conductor devices.

掺杂是制备硅纳米线半导体器件的一个有效手段。

The oxidation behavior of reaction-bonded silicon carbide,and the effects of process parameters on the oxidation,were studied.

摘 要：研究了反应烧结碳化硅材料900℃的氧化过程以及制备参数和掺杂元素对氧化过程的影响。

And dye. The results from the whole experiments and sensitometric results from these emulsions showed: 1 that sensitization of Zn-EDTA or Cd-EDTA on silver bromide emulsion was affirmed; 2 That a cooperation sensitization of Zn-EDTA or Cd-EDTA, sulfur plus gold, and dye could be carried out to make a higher level of sensitization; 3 That a cooperation sensitization of Zn-EDTA or Cd-EDTA, on the basis of and dye, with oxalate-doped was carried out to make a higher level of sensitization without any increase in the level of fog.

对实验过程的考察和感光性能的测试结果表明，Zn-EDTA或Cd-EDTA对细微粒溴化银颗粒乳剂均有显著的增感效应；Zn-EDTA或Cd-EDTA增感可在传统硫加金增感基础上与光谱增感协同作用，三者具有兼容和可加和性；Zn-EDTA或Cd-EDTA增感可在传统硫加金增感与光谱增感协同作用的基础上，与草酸根内部掺杂增感兼容，实现四者的协同作用，而不引起乳剂灰雾增加。

Sol-gel technique was used to prepare thin films of CdS microcrystallite doped SiO 2/TiO 2 glass onto soda lime glass substrates.

采用溶胶-凝胶方法在普通的载玻片上制备了CdS微晶掺杂的TiO2/SiO2复合薄膜。

The results show that chromium doped in the lattice of tin sphene substitutes Cr4+for Sn4+,leading distortion of ［SnO6］ octahedral symmentry.Hence the pigment has a broad absorption peak in the range of visible reflection spectrum, its wavelength is 520 nm. Finally,the colour develops chrome tin pink.

结果表明，由于铬的掺杂，Cr4+置换了锡榍石晶格中的Sn4+，使［SnO6］八面体变形，结果导致色剂在反射光谱的可见光520nm周围形成一条宽的吸收带，从而使釉呈玛瑙红色。

We describe the structure and spin wave spectra of various undoped materials, and discuss how the structural and magnetic transitions are affected by the doping.

文章详细介绍了各种母体中的三维反铁磁结构及其自旋波频谱，并讨论了掺杂对反铁磁相变和晶格相变的影响。

For the undoped parent compound BaFe2As2, both resistance and magnetization data display an anomaly associated with spin density wave and/or structural phase transition, with the transition temperatures at ~138 K.

未掺杂的母体化合物BaFe2As2的电阻和磁化强度数据都表明存在一个与自旋密度波及结构相变有关的反常，该反常的发生温度为138K左右。

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。