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We study the field enhancements in the waveguide structures by doped semiconductor material, and analyze their electromagnetic fields for different structures under the plane wave illumination or the short pulse. We design several doped silicon slots cavity and slot chains with large field enhancement, and describe their physical mechanism.

我们研究掺杂半导体波导结构对兆赫波电磁场增益之影响,使用电磁模拟针对不同结构做探讨,并分析连续波和脉冲波之电磁场变化,设计具有强场增益之掺杂半导体的矽狭缝和矽狭缝链之结构,并探讨其物理机制。

Thus vapor doping method is a new and effective method.

因而,蒸汽掺杂是一种新型高效的掺杂方法。

The results show that the intensity of the luminescence decreases with the increase of doping concentration.

研究结果表明:荧光粉发光强度随着Ce3+掺杂浓度和Gd3+掺杂浓度的提高均呈下降趋势。

Recently, the progress has been made in the area of extending the light absorption of titanium oxide into visible light region by metal doping, metalloid doping, and photosensitization.

目前TiO2可见光催化的研究取得了一定进展,金属掺杂、非金属掺杂和染料光敏化等方法都不同程度地实现了TiO2可见光催化。

It has been proved by the measurements of the micro- flow- sensors using Si with deep impurities.

这样在理论上深掺杂Si材料比浅掺杂Si材料对温度的敏感性提高了约1000倍。

It is found that the orthorhombic structure with interlacingdoping type is the most stable structure.

对x=0.5掺杂化合物,做了结构优化,发现具有交错掺杂类型的正交结构比菱形结构更稳定。

The activity of photocatalyst doped by coprecipitation is higher than that of by mechanical blend.

而其中钴掺杂光催化剂的活性又优于铈掺杂光催化剂。

The ion-doped crystals have such performance as schillerization ,up-conversion and tunable laser,etc.

ZnWO4单晶是一种优良的基质晶体材料,过渡金属离子和稀土离子能够较容易地掺杂进去,从而使掺杂ZnWO4晶体具有闪烁发光、上转换发光、可调谐激光等性能。

Choline chloride is one of B race vitamins and is synthesized by oxirane,hydrochloric acid and trimethylamine.

氯化胆碱由环氧乙烷、盐酸与三甲胺为原料合成,是B族维生素之一,是一种不能替代的饲料添加剂,市场上存在造假掺杂行为,对于各种掺杂行为进行分析识别,并提出鉴别方法

As burning temperature heighten,the polymorph of alite in the common clinker translated from MⅠ pattern to the mixture of MⅠand MⅢ patterns. And the polymorph of alite in the doping clinker translated from MⅠ pattern to the mixture of MⅠand R patterns.

随煅烧温度升高,不掺杂熟料中阿利特晶型从MⅠ转变为MⅠ和MⅢ型的混合体;掺杂熟料中阿利特晶型从MⅠ转变为M和R型混合体。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。