This was confirmed by the positron annihilation technique.
湮没技术证实了这种空位的存在。
The vacancy defects of samples were measured by slow positron annihilation.
借助慢正电子湮没技术研究了样品的空位型缺陷。
The new collider has to provide exact measurements of electron-positron annihilation.
新型的对撞机必须提供电子-正电子湮灭的准确测量结果。
Optical absorption spectra and positron annihilation radiation Doppler broadening were measured at room temperature.
在室温条件下测量了吸收光谱与正电子湮没辐射多普勒展宽谱。
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。
The positron annihilation technique was applied to study the relation between relative free volume and irradiated graft for PTFE.
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。
It is shown that the positron annihilation technique is a powerful method for investigating the structure of the defects in metal.
可以看出，正电子湮没技术是研究金属微观缺陷结构的有力手段。
It has success fully been used in One-Dimentional Angular Correlation Apparatus of Positron Annihilation Radiati on, which was comfirme…
它成功地运用在正电子湮灭一维角关联实验装置中。
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 microscopic mechanism of irradiation damage of Al film reflector is studied by the slow positron annihilation technique and X-ray diffraction.
用慢正电子湮没等分析技术研究了辐照损伤的微观机制。
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。
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。
There may be transformation between different sizes of vacancy clusters which can also be seen in the results of Positron Annihilation Spectroscope (PAS).
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。
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。
A positron annihilation technique has been employed to study the microdefects of copper alloy sprayed on a steel substrate by plasma after being compressed in different thickness.
本文用正电子湮没技术对等离子体喷涂铜基合金压缩形变的微观缺陷进行了测量。
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。
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 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 free volume and cohensional entanglement structure of samples preapared under two different thermal conditions were measured by positron annihilation life spectroscopy (PALS) and DSC.
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。
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。
One way to create such short bursts of gamma rays is through the collision — and subsequent annihilation, as the mass of those particles converts into energy — of an electron and a positron.
制造伽马射线短脉冲的一种方法，是电子与正电子的碰撞——之后的湮灭，使粒子的质量转化为能量。
We investigate physicss properties of positronium and the way of positron - electron annihilation.
探讨正电子偶素的物理性质以及正电子—电子对的湮灭方式。
One signature of positron-electron annihilation is gamma rays carrying 511 thousand electron-volts (keV) of energy.
电子-正电子湮灭的一个信号就是携带511keV能量的伽玛射线。
One signature of positron-electron annihilation is gamma rays carrying 511 thousand electron-volts (keV) of energy.
电子-正电子湮灭的一个信号就是携带511keV能量的伽玛射线。
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