“positron annihilation”造句,怎麼用positron annihilation造句
5、The new collider has to provide exact measurements of electron-positron annihilation.
7、The positron annihilation technique was applied to study the relation between relative free volume and irradiated graft for PTFE.
9、In this paper, the usability of multiple-exponential function model in fitting the positron annihilation lifetime spectrum is demonstrated.
11、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.
13、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.
15、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.
1、positron annihilation
3、This was confirmed by the positron annihilation technique.
6、Nickel, electrodeposited from twelve typical plating baths, were investigated by positron annihilation lifetime spectroscopy.
10、The microscopic mechanism of irradiation damage of Al film reflector is studied by the slow positron annihilation technique and X-ray diffraction.
14、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.
2、positron annihilation spectroscopy
8、Microstructure of homemade modified 316l stainless steels and its thermal annealing behavior are studied by the positron annihilation lifetime technique.
16、In this article, positron annihilation technique was used to study the free volume of PTFE, nylon and PBT after fretting, the result indicated that fretting caused the size of average free volume to increase and made polymer wear out and invalid.
12、Motional behaviour and interaction between main chain and side chain of mesogenic moiety of liquid crystalline copolymer were studied by positron annihilation lifetime spectroscopy.
4、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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