Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Xiting Lu"'
Publikováno v:
The British Journal of Ophthalmology
Objective To determine the diagnostic accuracy of telemedicine in various clinical levels of diabetic retinopathy (DR) and diabetic macular oedema (DME). Methods PubMed, EMBASE and Cochrane databases were searched for telemedicine and DR. The methodo
Publikováno v:
Applied Surface Science. 280:93-103
This paper reports the research results of the effect of cathode shape during vertical buffered electropolishing (BEP) by employing a demountable single cell niobium (Nb) superconducting radio frequency (SRF) cavity. Several different cathode shapes
Autor:
Xuemei Wang, Qiang Zhao, Xiting Lu, Dongxing Jiang, Yi-Xiong Shen, Zhe Zhang, Zonghuang Xia, Ding-Yu Shen
Publikováno v:
Applied Surface Science. 199:123-127
The irradiation damages produced in silicon crystal by 0.7 and 0.4 MeV per atom Sin (n=1–3) were measured. The results of the measurement showed that the relationship between the defect concentrations and the cluster sizes is non-linear; and that t
Autor:
K.X. Liu, Lianzhen Cai, Xiting Lu, Zhiyu Guo, Xiaohong Wu, Hong-Ji Ma, Sixun Yuan, Jinglin Yuan, Kun Li, Jianjun Wang
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 172:732-735
Bones are very important samples to determine the hosts of the cemetery of Jin Marquises which were excavated at Tianma-Qucun site in Shanxi Province in China. In order to obtain accurate AMS radiocarbon dates, bones were pretreated by two kinds of m
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 172:915-919
The decay kinetics of nicotine–DNA adducts and NNK–DNA adducts in mice liver after single dosing was studied by accelerator mass spectrometry (AMS). The decay is characterized by a two-stage process. The half-lives of nicotine–DNA adducts are 1
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 129:392-396
We have accelerated clusters of Cn+ (n = 2–8), Aln+ (n = 2–4), Sin+ (n = 2–4) and Gen+ (n = 2, 3) to MeV energies at the 1.7 MV tandem accelerator of Peking University. The defect concentrations produced by cluster irradiation were measured by
Publikováno v:
Applied Surface Science. 221:10-12
The stopping powers for 0.32–0.43 MeV/A 16O ions in Al, Cu and Ag foils have been measured with the elastic recoil detection (ERD) method. The results are compared with the calculated values of SRIM2000 and previous experimental data.
Autor:
Changwen Jin, Hongtao Liu, Xiting Lu, Dongxing Jiang, Yan-Lin Ye, Zonghuang Xia, Tao Zheng, Zeqing Wu
Publikováno v:
Chinese Physics Letters. 11:537-540
The stopping powers of CaF2 and MoO3 for 16O and 19F were measured with heavy-substrate Rutherford backscattering technique. The present results are compared with the prediction of Bragg's rule, and strong deviation was observed. The experimental err
Autor:
Dongxing Jiang, Changwen Jin, Zonghuang Xia, Chengfang Zhou, Hongtao Liu, Xiting Lu, Yan-Lin Ye, Xiaojing Huang
Publikováno v:
Chinese Physics Letters. 10:205-208
Energy loss of 0.45-5.0 MeV 4He ions in Au and Ag films were measured with the Rutherford backscattering method, and the stopping powers at lower energy range were extracted by comparing with that determined by Anderson et al. at higher energy range.
Publikováno v:
Chinese Physics Letters. 10:135-138
In this paper, the degree of alignment of 2P3/2 vacancy state in Au induced by proton, lithium and boron ion impact was measured using a Si(Li) detector. Also the projectile-energy dependence of the degree of alignment was investigated over the proje