4篇
您的检索式：作者名="PENG JiangYing"
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| 1 | Preparation and thermoelectric properties of p-type Bi_(0.52)Sb_(1.48)Te_3 + 3% Te thin films显示文摘Thin films of p-type Bi0.52Sb1.48Te3 + 3% Te were deposited on glass substrates by flash evaporation.X-ray diffraction and field-emission scanning electron microscopy were performed to characterize the thin films,and the effects of preparation and annealing parameters on the thermoelectric properties were investigated.It was shown that the power factors of the films increased with increasing deposition temperature.Annealing the as-deposited films improved the power factors when the annealing time was less than 90 min and the annealing temperature was lower than 250℃.A maximum power factor of 10.66 μW cm-1 K-2 was obtained when the film was deposited at 200℃ and annealed at 250℃ for 60 min. | ZHANG JianSheng YANG JunYou FENG ShuangLong LIU ZhengLai PENG JiangYing | 2012 | Chinese Science Bulletin2012，57，32： | 2 |
| 2 | Molecular and physiological characterization of fluoroquinolone resistance in relation to uropathogenicity among Escherichia coli isolates isolated from Wenyu River, China显示文摘 | SUN Jianxian HU Jiangying HUI Peng | 2012 | Chemosphere2012，87，1： | 1 |
| 3 | A NEW OBJECTIVE STEREOSCOPIC IMAGE ASSESSMENT MODEL BASED ON STEREOSCOPIC PERCEPTION显示文摘In order to establish a stereoscopic image quality assessment method which is consistent with human visual perception,we propose an objective stereoscopic image quality assessment method.It takes into account the strong correlation and high degree of structural between pixels of image.This method contains two models.One is the quality synthetic assessment of left-right view images,which is based on human visual characteristics,we use the Singular Value Decomposition(SVD)that can represent the degree of the distortion,and combine the qualities of left and right images by the characteristics of binocular superposition.The other model is stereoscopic perception quality assessment,due to strong stability of image’s singular value characteristics,we calculate the distance of the singular values and structural characteristic similarity of the absolute difference maps,and utilize the statistical value of the global error to evaluate stereoscopic perception.Finally,we combine two models to describe the stereoscopic image quality.Experimental results show that the correlation coefficients of the proposed assessment method and the human subjective perception are above 0.93,and the mean square errors are all less than 6.2,under JPEG,JP2K compression,Gaussian blurring,Gaussian white noise,H.264 coding distortion,and hybrid cross distortion.It indicates that the proposed stereoscopic objective method is consistent with human visual properties and also of availability. | Zhu Jiangying Jiang Gangyi Yu Mei Wang Xiaodong Chen Fen Shao Feng Peng Zongju | 2013 | Journal of Electronics(China)2013，30，5： | 0 |
| 4 | Observation of a higher JAK2 V617F homozygous mutated clone in polycythemia vera compared to essential thrombocythemia显示文摘Single-tube bi-directional allele specific amp-lification(SB-ASA)and real-time quantitative polymer-ase chain reaction(RQ-PCR)assays were developed and performed for JAK2V617F detection on 40 polycythemia vera(PV)samples,31 essential thrombocythemia(ET)samples,40 acute leukemia samples,and 40 healthy con-trol samples.Differences between detect limitations of the two assays and their influence on the mutation detection rate were analyzed.The results showed that in some sam-ples,the JAK2V617F burden was as low as nearly 1%,and thus more JAK2V617F-positive samples were detected by RQ-PCR than by SB-ASA assay due to the former higher detect limitation.Mutation allele ratios in PV and ET samples and their relevance to biological char-acteristics were also analyzed.The results showed that the mutation allele ratio was 0.436±0.261 in PV,higher than the 0.216±0.207 in ET;percentage of certainly homo-zygous mutation carriers in PV was 40.54%,higher than the 10%in ET.However,statistical analysis showed no relevance between mutation allele burden and sex or age.Our result shows that the pathogenesis of PV and ET may be related to the mutation allele burden of JAK2V617F. | Hongxing LIU Chunrong TONG Peng CAI Jiangying GU Yuehui LIN Ying ZHANG Wen TENG He WANG Ping ZHU | 2008 | Frontiers of Medicine2008，2，3： | 0 |
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