正电子湮没技术

用正电子湮没技术研究深低温下AlLiCuMgZr合金中的缺陷和电子密度

PAT study of defect and electron density in Al-Li-Cu-Mg-Zr alloy under cryogenic temperature

用正电子湮没技术研究Zr对Ni3Al缺陷态的影响

Pat study of effect of Zr on defects in ni_3al alloy

以植物干种子芸豆和花生为生物体材料，采用正电子湮没技术（PAT）测定了该两类生物样品的正电子湮没寿命谱（PAL）。

Positron lifetime measurements were performed on biological samples of lima bean and peanut .

用正电子湮没技术研究掺杂粉末β-C2S的缺陷

Study of defects in doped β - C2S powder samples by positron annihilation

正电子湮没技术在ZrO2氧敏传感材料研究中的应用

Application of Positron Annihilation Technique on ZrO_ 2 Oxygen Sensor

用正电子湮没技术研究BaF2的辐射损伤

A study on radiation damage of BaF_2 crystals by positron annihilation technique

本文介绍用正电子湮没技术研究了具有高临界温度下Tc的新型超导材料Ba-Y-Cu氧化物。

The study on a new superconductor oxide Ba-Y-Cu with high critical temperature TCis described .

用正电子湮没技术研究硼在Ni3Al中的存在形式

Investigation of behaviour of B in ni_3ai alloys by positron annihilation technique

用正电子湮没技术研究USY沸石的二次孔结构

Secondary pore structure of USY zeolites studied by positron annihilate technique

用正电子湮没技术研究新型高临界温度Tc超导材料Ba-Y-Cu氧化物

The study on a new superconductor ( oxide Ba-Y-Cu ) with high critical temperature T_c by positron annihilation

本文中用正电子湮没技术研究了Fe-Ni系合金的马氏体相变。

The martensitic transformation in thirteen Fe-Ni alloys has been studied by positron annihilation technique .

本文用交流阻抗技术、SEM、EPMA、TEM及正电子湮没技术研究了烧结温度对掺有Al2O3的ZrO2的电阻的影响。

The effects of sintering temperature on the resistance of zirconia were studied by means of AC impedance technique . SEM , EPMA , TEM and positron annihilation technique .

用正电子湮没技术及透射电镜研究了三种不同Co含量的Ni-Cr-Co高温合金经室温形变后的回复再结晶过程。

The recovery recrystallization of 3 deformed Ni-Cr-Co superalloys with different Co contents has been studied using positron annihilation technique and TEM .

用正电子湮没技术。研究了未掺杂的SI-GaAs退火行为。

Using the positron annihilation technique , the annealing behaviors in undoped SI-GaAs have been studied .

用正电子湮没技术对急冷法制备的Fe－B合金结晶态超细微粒（CUFP）的微结构进行了分析。

Crystal ultrafine particle ( CUFP ) films of the Fe-B alloys were prepared by the quick-cooling vapour-deposition method , and then studied by the positron annihilation technique .

这一实验结果表明退火过程中，氧化层空位型的缺陷减少导致了S减小和W增大。同时也说明慢正电子湮没技术在研究SiC上的SiO2中缺陷的变化是可行的实验方法。

Both the S and W parameters clearly showed that the density of defect in SiO2 layer had decreased after annealing in N2 . The results of this experiments indicated that the defects of void-type in the SiO2 layers decreased after annealing .

应用正电子湮没技术，对掺杂Y2O3的ZnO导电陶瓷烧结过程进行了研究，给出了烧结温度对导电特性、局域电子密度、结构缺陷的影响特征。

This paper studied process of sintering in doped Y_2O_3 ZnO conductive ceramics by means of positron annihilation technique . It has been discussed that effect of sintering temperature on conductive characteristics , local electronic density and structrual defects .

采用正电子湮没技术研究了3×10~20／cm~2中子注量、En＞1MeV快中子辐照在α－Al2O3中产生的辐照效应。

Radiation effect in α - Al2O3 irradiated by neutrons ( En ≥ 1MeV ) up to a fluence of 3 × 10 ￣ 20 / cm2 has been studied by the positron annihilation lifetime technique .

采用H-800透射电子显微镜及正电子湮没技术，观察了CSP工艺热轧低碳带钢轧制过程中位错形貌，并计算了终轧后轧件的位错密度。

The dislocation and morphology dislocation density in the hot strip of low carbon steel after finishing pass produced by CSP were investigated by using H-800 transmission electron microscopy and positron annihilation technology .

为评估正电子湮没技术对研究聚合物玻璃化转变的适用性，测量了聚甲基丙烯酸甲酯（PMMA）和两种改性PMMA的正电子寿命谱和热-机械曲线。

In order that assess the applicability of positron annihilation technique ( PAT ) to study the glass transition of polymers , positron lifetime spectra and thermomechanical curves for poly ( methyl methacrylate )( PMMA ) and two types of modified-PMMA s were measured .

正电子湮没技术对YAG/Nd晶体缺陷的研究

The study of defects in yag / nd crystals by positron annihilation

用正电子湮没技术研究黄玉的辐照变色机理

Study on colorific mechanism of topaz after irradiated by positron annihilation technique

借助慢正电子湮没技术研究了样品的空位型缺陷。

The vacancy defects of samples were measured by slow positron annihilation .

正电子湮没技术在金属和合金研究中的应用进展

Applications of Positron Annihilation Technology for metals and alloys

用正电子湮没技术研究微量铝对铁基非晶态合金的影响

A Study of Effect of Aluminum on Iron-Based Amorphous Alloys by Positron Annihilation

正电子湮没技术在橡塑共混体系中的应用

Positron annihilation lifetime spectra used in rubber-plastics blending system

用正电子湮没技术对YAG/Nd晶体不同位置进行了探测。

Different positions in YAG / Nd crystals have been detected by Positron annihilation .

金属中电子结构的密度泛函方法与正电子湮没技术

The Density Functional Theory of Electronic Structure in Metals and the Positron Annihilation Technique

用正电子湮没技术研究中子辐照直拉硅退火效应

Study of Annealing Effect of Neutron Irradiated Silicon Single Crystal By Positron Annihilation Technique

应用正电子湮没技术定量估算高纯铁形变的位错密度和空位浓度

Estimation of dislocation density and vacancy concentration in deformed high purity iron using PAT