正电子湮没技术
- 网络pat;positron annihilation technique,PAT;positron-annihilation technique;positron annihilation
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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
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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
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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 .
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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
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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
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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
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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 .
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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
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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
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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
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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
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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
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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 .
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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
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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
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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
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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 .
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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
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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
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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