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。
Nickel, electrodeposited from twelve typical plating baths, were investigated by positron annihilation lifetime spectroscopy.
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。
The Positron lifetime spectra of unannealed and annealed Ni-coats, electro-plated from the four typical baths, have been measured.
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。
In this paper, the usability of multiple-exponential function model in fitting the positron annihilation lifetime spectrum is demonstrated.
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。
A method of measuring positron lifetime is used to investigate temperature dependence of positron trapping at defects in neutron-irradiated silicon crystals.
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。
Microstructure of homemade modified 316l stainless steels and its thermal annealing behavior are studied by the positron annihilation lifetime technique.
用正电子湮没技术研究在聚四氟乙烯辐照接枝过程中的自由体积与正电子湮没寿命谱的关系。
The positron annihilation technique was applied to study the relation between relative free volume and irradiated graft for PTFE.
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 measurements of positron annihilation lifetime spectrum for chlorophyll in cyclohexane (77k) and in alcohol (296k) were carried out under illumination at different light intensity.
辐照过程中不同尺寸的空位团之间发生了相互转化，这一点可通过正电子湮没寿命谱的测试结果去验证。
There may be transformation between different sizes of vacancy clusters which can also be seen in the results of Positron Annihilation Spectroscope (PAS).
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。
Motional behaviour and interaction between main chain and side chain of mesogenic moiety of liquid crystalline copolymer were studied by positron annihilation lifetime spectroscopy.
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。
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.
用差示扫描量热计（DSC）及正电子湮没寿命谱（PALS）方法表征了两种不同物理老化条件试样的凝聚结构以及自由体积的差别。
The free volume and cohensional entanglement structure of samples preapared under two different thermal conditions were measured by positron annihilation life spectroscopy (PALS) and DSC.
研究了纳米晶体铜材料的压制工艺条件对其相对密度和显微硬度的影响，并用正电子湮没寿命谱、扫描电镜和热重分析仪对其微观结构进行了表征。
The influence of relative density and microhardness on pressing parameter of nanocrystalline Cu was studied, and its microstructure was characterized by PAS, SEM and TG.
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。
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).
根据寿命值和强度提出了正电子在稀土聚乙炔中的湮没模型。
According to the values of the life time of positron annihilation, the model of positron annihilation in the rare-earth polyacetylene was proposed.
根据寿命值和强度提出了正电子在稀土聚乙炔中的湮没模型。
According to the values of the life time of positron annihilation, the model of positron annihilation in the rare-earth polyacetylene was proposed.
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