热电性,thermoelectricity
1)thermoelectricity[英]["θ?:m?ui,lek"trisiti][美][,θ?mo?l?k"tr?s?ti, -,il?k-]热电性
1.Study and application of thethermoelectricity characteristics of pyrite of Taibaimiao Gold Deposit,Zhen-An County,Shanxi Province;陕西镇安太白庙金矿黄铁矿热电性特征研究及其应用
2.The typomorphism ofthermoelectricity of ore bearing pyrite has more N t.石英热发光标型和黄铁矿热电性标型均揭示了金矿化具有向矿区南部深部增强的趋势。
3.The effects of Seebeck coefficient,electric conductivity and thermal conductivity on thethermoelectricity of semiconductor materials was discussed.本文从讨论热电材料的性能出发 ,讨论了提高半导体热电性能的主要途径 ,介绍了主要的半导体热电材料特别是近年来的进展情况 ,展望了其应用前景 ,并提出了亟待解决的问题。
英文短句/例句
1.Thermoelectric Properties and Nanostructures of Te Based MaterialsTe基热电材料的纳米化及热电性能
2.Synthesis and Thermoelectric Property of Mg_2Si-Based Thermoelectric MaterialMg_2Si基热电材料的制备与热电性能研究
3.Thermoelectric Properties of p-Type Transparent Conducting CuAlO_2 FilmsCuAlO_2热电性能的研究进展
4.Synthesis and Thermoelectric Properties of β-Zn_4Sb_3;β-Zn_4Sb_3基热电材料的制备和热电性能研究
5.Synthesis and Thermoelectric Properties of Ti-based Half-Heusler Compound;Ti基half-Heusler热电化合物的制备及其热电性能研究
6.Thermoelectric Properties and Nanostructuring of Skutterudites;方钴矿基热电材料的纳米化及热电性能
7.Fabrication of Bi_2Te_3-Based Thermoelectric Thin Films and Study on the Performances碲化铋基热电薄膜制备及其热电性能研究
8.OPTIMAL PERFORMANCE OF A THERMOELECTRIC GENERATOR-DRIVEN THERMOELECTRIC REFRIGERATOR SYSTEM热电发电机驱动热电制冷机联合系统最优性能
9.radioisotope thermal generator放射性同位素热电源
10.ativistic electron beam heating相对论性电子束加热
11.Effect of Material Properties of Heat Collector on Performance of Solar Thermoelectric System集热体物性对太阳能热电发电系统性能的影响
12.Peltier heat is foundation of thermoelectric refrigeration circulation .分析了热电制冷过程的传热性能，帕尔贴热是热电制冷循环的基础。
13.The Investigation on the Negative Corona Discharge Characteristic in Case of Corona Discharge Wire Heating电晕线加热情况负电晕放电特性研究
14.Research of Regenerative Systems Variable Condition Character of Coal-fired Power Plant;火电厂回热加热系统变工况特性研究
15.On heat economy improvement of enterprise-owned thermoelectric power plant;如何提高企业自备热电厂的热经济性
16.Thermal Economy Analysis of Natural Gas Co-Generation;天然气热、电、冷三联供的热经济性分析
17.Thermo-electric property of Nichrome-Nicalloy Thermocouple and Its relations to Composition镍铬—镍热电偶合金的热电特性与成分的关系
18.Solvothermal Synthesis and Electrical Transport Properties of PbTe Based Thermoelectric Materials;铅碲基热电材料的溶剂热合成及电学输运性能
相关短句/例句
pyroelectricity[英][,pai?r?uilek"trisiti][美][,pa?ro?l?k"tr?s?ti, -,il?k-]热电性
1.Thepyroelectricity typomorphic characteristics of pyrite inWulong gold deposit,Liaoning province;辽宁五龙金矿黄铁矿的热电性标型特征
2.Below 90K,pyroelectricity is detected along thedirection.在90K以下,检测出犤100犦方向存在热电性。
3.This paper has sysitematic studied the typomorphic characteristics of pyrite, such as generation,crystal habit,crystal structure andpyroelectricity.黄铁矿是烧锅营子金矿的主要金属矿物和载金矿物，本文对黄铁矿的分布、世代、结晶习性、晶体结构及热电性等标型特征进行了系统研究。
3)thermoelectric[英]["θ?:m?ui"lektrik][美][,θ?mo?"l?ktr?k]热电性
1.Application ofthermoelectric properties of pyrite in gold exploration in the Shihu gold deposit, western Hebei;黄铁矿热电性特征在冀西石湖金矿床中的应用
4)thermoelectric property热电性能
1.The relations between electronic structure,chemical bonds andthermoelectric property of misfit layered cobaltite of Ca_3Co_4 O_9 are studied using the den- sity function and discrete variation method(DFT-DVM).Ca_3Co_4O_9是一类很有希望的新型氧化物热电材料,用离散变分密度泛函方法(DFT-DVM)计算了失配层钴酸盐Ca_3Co_4O_9的电子结构和化学键,讨论了它们与热电性能之间的关系。
2.The relations between electronic structure,chemical bond andthermoelectric property of misfit layered cobaltite of Ca_3Co_(4)O_9 and La-doped series are studied using density function and discrete variation method (DFT-DVM).用离散变分密度泛函方法(DFT DVM)计算了失配层钴酸盐Ca3Co4O9及其掺La系列,讨论了电子结构、化学键等与热电性能之间的关系。
3.The relation between electronic structure,chemical bond andthermoelectric property is discussed.用离散变分密度泛函方法(DFT DVM)计算了钴酸盐Ca3Co2O6及其掺镍体系,讨论了电子结构,化学键等与热电性能之间的关系。
5)thermoelectric properties热电性能
1.Synthesis andthermoelectric properties of p-type Ba_8Ga_(16)Zn_xGe_(30-x) clathrates;Zn掺杂p型Ba_8Ga_(16)ZnxGe_(30-x)笼合物的合成及热电性能
2.Preparation andthermoelectric properties of Ti_(1-x)(Hf_(0·919)Zr_(0·08))_xNiSn;Ti_(1-x)(Hf_(0·919)Zr_(0·08))_xNiSn的制备及热电性能
3.Synthesis andthermoelectric properties of dual-atom filled p-type Ca_mCe_nFe_xCo_(4-x)Sb_(12) compounds;Ca和Ce双原子复合填充p型Ca_mCe_nFe_xCo_(4-x)Sb_(12)化合物的合成及热电性能
6)thermoelectric performance热电性能
1.Measuring technology forthermoelectric performance of the thermoelectric material with nanowire array structure;纳米线阵列结构温差电材料热电性能测试技术
2.Microstructure and single crystal sthermoelectric performance of B-doped CoSi;B掺杂CoSi的微观组织和单晶热电性能
3.Studies on preparation of poly(3,4-ethylenedioxythiophene) and itsthermoelectric performance聚(3,4-二氧乙撑噻吩)的制备及其热电性能研究
延伸阅读
热电性某些晶体的电极化强度随温度变化而释放表面吸附的部分电荷的性质。它只能发生在不具有中心对称的晶体中。在32种晶体的宏观对称类型中，只有10种具有惟一的极轴；晶体中离子沿极轴正反两个方向的配置不完全相同而产生电矩，导致晶体沿极轴方向出现一个宏观不等于零的固有极化强度P。通常在晶体表面上总电矩的正负端容易吸附异性电荷直到完全抵消总电矩所产生的宏观电场,所以这种固有极化并不表露出来。但是P与温度有关;当温度变化时由于P的改变而释放出表面吸附的部分电荷，这种现象称为热电效应；国内亦曾译为热释电效应。具有热电性的晶体称为热电体。当温度变化ΔT时，P的变化ΔP的分量称pi为热电系数。经过人工极化的铁电体(见铁电性)都具有热电性，P等于剩余极化强度Pr；对于铁电单晶体，可以做到P十分接近等于自发极化强度Ps。热电效应的大小与晶体所受的机械约束有关。在被钳制不能发生形变的晶体中出现的热电效应为一级效应，或称主效应。在自由晶体中，除一级效应外还有因热膨胀所诱导的压电效应也会改变表面吸附的电荷量，这是次级热电效应。晶体的温度、应力或应变不均匀时所引起的附加作用属于三级热电效应，亦称假热电效应。当晶体的弹性常数、压电系数和膨胀系数的温度变化关系为已知时，可以通过计算分出一级和次级效应对热电系数的贡献。例如Li2SO4·H2O的总热电系数为86.3×10-6C/(m2·K)；其中一级效应贡献60.2×10-6C/(m2·K),次级效应贡献26.1×10-6C/(m2转·K)。典型的热电晶体的p值为10-5数量级。在恒定温度下要产生相当于ΔT＝1°C所引起的ΔP值，需施加70kV/m的外电场。铁电体的热电效应比非铁电体例如电气石、CdS等大很多,并且p值与温度有关；靠近居里点时铁电体的热电系数变得特别大。热电体有重要和广泛的应用，如红外探测器、热电激光量热计、夜视仪以及各种光谱仪接收器等。它的优点是不用低温冷却，但目前灵敏度比相应半导体器件稍低。参考书目S. B. Lang,Sourcebook of Pyroelectricity, Vol. 2,Gordon and Breach Publ. New York, London,Paris, 1974.
