The resolution of a positron lifetime spectrometer is mainly dependent on selection of the energy window.
能窗的选择对正电子寿命谱仪的分辨率有决定性的影响。
The Positron lifetime spectra of unannealed and annealed Ni-coats, electro-plated from the four typical baths, have been measured.
测量了四种典型镍镀层的采透火和退火试样的正电子湮没寿命谱。
In the program, three kinds of nonlinear least-squares fitting methods were supplied for processing the complex positron lifetime spectrum.
为处理复杂的正电子寿命谱，本程序可提供三种非线性最小二乘拟合方法。
A method of measuring positron lifetime is used to investigate temperature dependence of positron trapping at defects in neutron-irradiated silicon crystals.
用正电子湮没寿命测量方法研究了在中子辐照硅单晶缺陷中正电子捕获的温度效应。
Microstructure of homemade modified 316l stainless steels and its thermal annealing behavior are studied by the positron annihilation lifetime technique.
采用正电子湮没寿命方法研究了国产改进型316L不锈钢的微结构及其温度变化。
Nickel, electrodeposited from twelve typical plating baths, were investigated by positron annihilation lifetime spectroscopy.
应用正电子湮没寿命谱研究了十二种典型镍镀层的结构缺陷。
Motional behaviour and interaction between main chain and side chain of mesogenic moiety of liquid crystalline copolymer were studied by positron annihilation lifetime spectroscopy.
用正电子湮没寿命谱研究了手性丙烯酸酯侧链液晶共聚物分子主链与介晶基元侧链的运动行为及相互作用。
The relationship between positron mean lifetime and grain size, based on two state trapping model, has been developed, and the saturation trapping at grain boundaries has been predicated.
从两态捕获模型出发，导出了正电子平均寿命与晶粒大小之间的关系，并且预言了晶界正电子饱和捕获效应的存在。
Optimum location of nitrogen and vanadium in the V-N-vacancy complex is determined, according to the result of the positron annihilation lifetime experiment and minimizing the total energy.
根据正电子湮没寿命实验的结果和总能量极小原理，确定了V和N在V - N -空位复合体中的最佳占据位置。
The free volume properties of high impact polystyrene (HIPS)-low density polyethylene (LDPE) blend have been investigated by means of positron annihilation lifetime spectra (PALS).
不同组成的高冲聚苯乙烯（HIPS）和低密度聚乙烯（LDPE）共混物的正电子湮没寿命谱被测量，结果表明HIPS和LDPE是不相溶共混物。
In this paper, the usability of multiple-exponential function model in fitting the positron annihilation lifetime spectrum is demonstrated.
在本文中推导了多指数函数模型在正电子湮没寿命谱拟合中的可用性。
The measurements of positron annihilation lifetime spectrum for chlorophyll in cyclohexane (77k) and in alcohol (296k) were carried out under illumination at different light intensity.
测量了在不同光强下叶绿素环已烷溶液(77k)和酒精溶液(296k)的正电子湮没寿命谱。
The positron annihilation lifetime spectrum(PALS) method was employed to study the effect of proton radiation on microstructure of the space grade KH-L-Y polysilicone rubber.
用正电子淹没寿命谱方法（PAL S）研究了质子辐照对空间级硅橡胶KH- L - Y微观结构的影响。
The positron annihilation lifetime spectrum(PALS) method was employed to study the effect of proton radiation on microstructure of the space grade KH-L-Y polysilicone rubber.
用正电子淹没寿命谱方法（PAL S）研究了质子辐照对空间级硅橡胶KH- L - Y微观结构的影响。
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