Search Results - "Dun, G."

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  1. 1

    Spectropolarimetry of Fraunhofer Lines in Local Upper Solar Atmosphere by Qu, Z. Q., Chang, L., Dun, G. T., Cheng, X. M., Fang, C., Xu, Z., Yuan, D., Deng, L. H., Zhang, X. Y.

    Published in The Astrophysical journal (01-10-2024)
    “…Abstract Spectropolarimetric results of Fraunhofer lines between 516.3 and 532.6 nm are presented in local upper solar chromosphere and inner corona below a…”
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    Journal Article
  2. 2

    Complexity of the Upper Solar Atmosphere Revealed from Spectropolarimetry during a Solar Eclipse by Qu, Z. Q., Chang, L., Dun, G. T., Xu, Z., Cheng, X. M., Deng, L. H., Zhang, X. Y., Jin, Y. H.

    Published in The Astrophysical journal (01-12-2022)
    “…Abstract We analyze linear polarimetric spectrum data of solar emission lines with different formation temperatures in a visible light band from 516.3–532.6…”
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    Journal Article
  3. 3

    Multi-scale analysis of coronal Fe xiv emission: The role of mid-range periodicities in the Sun–heliosphere connection by Deng, L.H., Li, B., Xiang, Y.Y., Dun, G.T.

    “…Two relatively modern analysis techniques, including the empirical mode decomposition and Morlet wavelet transform, are combined to investigate the short- and…”
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    Journal Article
  4. 4

    Spectro-Imaging Polarimetry of the Local Corona During Solar Eclipse by Qu, Z. Q., Dun, G. T., Chang, L., Murray, G., Cheng, X. M., Zhang, X. Y., Deng, L. H.

    Published in Solar physics (01-02-2017)
    “…Results are presented from spectro-imaging polarimetry of radiation from the local solar corona during the 2013 total solar eclipse in Gabon. This polarimetric…”
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    Journal Article
  5. 5

    Incidental colonic focal FDG uptake on PET/CT: can the maximum standardized uptake value (SUVmax) guide us in the timing of colonoscopy? by van Hoeij, F. B., Keijsers, R. G. M., Loffeld, B. C. A. J., Dun, G., Stadhouders, P. H. G. M., Weusten, B. L. A. M.

    “…Purpose In patients undergoing 18 F-FDG PET/CT, incidental colonic focal lesions can be indicative of inflammatory, premalignant or malignant lesions. The…”
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    Journal Article
  6. 6

    ON THE COMBINATION OF IMAGING-POLARIMETRY WITH SPECTROPOLARIMETRY OF UPPER SOLAR ATMOSPHERES DURING SOLAR ECLIPSES by Qu, Z Q, Deng, L H, Dun, G T, Chang, L, Zhang, X Y, Cheng, X M, Allington-smith, J, Murray, G, Qu, Z N, Xue, Z K, MA, L

    Published in The Astrophysical journal (01-09-2013)
    “…We present results from imaging polarimetry (IP) of upper solar atmospheres during a total solar eclipse on 2012 November 13 and spectropolarimetry of an…”
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    Journal Article
  7. 7

    Linear Polarization of Flash Spectrum Observed from a Total Solar Eclipse in 2008 by Qu, Z. Q, Zhang, X. Y, Xue, Z. K, Dun, G. T, Zhong, S. H, Liang, H. F, Yan, X. L, Xu, C. L

    Published in The Astrophysical journal (20-04-2009)
    “…We measured linear polarization signals of the flash spectrum ranging from 502.5 nm to 528.5 nm after second contact of a total solar eclipse which occurred on…”
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    Journal Article
  8. 8

    On mid-term periodicities of high-latitude solar activity by Deng, L.H., Li, B., Xiang, Y.Y., Dun, G.T.

    Published in Advances in space research (01-07-2014)
    “…The mid-term periodicities of polar faculae are studied separately for the total disk, northern and southern hemispheres of the Sun for a time interval from…”
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    Journal Article
  9. 9

    Spectral line intensity irreversibility in circulatory plasma magnetization processes by Qu, Z. Q., Dun, G. T.

    Published in Applied physics letters (23-01-2012)
    “…Spectral line intensity variation is found to be irreversible in circulatory plasma magnetization process by experiments described in this paper, i.e., the…”
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    Journal Article
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    Quality-informed semi-automated event log generation for process mining by Andrews, R., van Dun, C.G.J., Wynn, M.T., Kratsch, W., Röglinger, M.K.E., ter Hofstede, A.H.M.

    Published in Decision Support Systems (01-05-2020)
    “…Process mining, as with any form of data analysis, relies heavily on the quality of input data to generate accurate and reliable results. A fit-for-purpose…”
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    Journal Article
  12. 12

    LINEAR POLARIZATION OF FLASH SPECTRUM OBSERVED FROM A TOTAL SOLAR ECLIPSE IN 2008 by Qu, Z. Q., Zhang, X. Y., Xue, Z. K., Dun, G. T., Zhong, S. H., Yan, X. L., Liang, H. F., Xu, C. L.

    Published in The Astrophysical journal (20-04-2009)
    “…We measured linear polarization signals of the flash spectrum ranging from 502.5 nm to 528.5 nm after second contact of a total solar eclipse which occurred on…”
    Get full text
    Journal Article
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    Spectropolarimetry of Fraunhofer lines in local upper solar atmosphere by Qu, Z. Q, Chang, L, Dun, G. T, Cheng, X. M, Fang, C, Xu, Z, Yuan, D, Deng, L. H, Zhang, X. Y

    Published 25-03-2024
    “…Spectropolarimetric results of Fraunhofer lines between 516.3nm and 532.6nm are presented in local upper solar chromosphere, transition zone and inner corona…”
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    Journal Article
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    Improved microwave absorption of pyramidal absorber using metamaterial by Pometcu, Laura, Sharaiha, Ala, Benzerga, Ratiba, Pouliguen, Philippe, Dun, Gwenael

    “…We proposed and demonstrated a scheme to enhance and tune absorption properties of conventional microwave absorbing materials by metamaterials. First, an…”
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    Conference Proceeding
  19. 19

    Congenital syphilis. Diagnosis in places with limited facilities by Dun, G C, Jeeninga, H S

    Published in Tropical and geographical medicine (01-07-1992)
    “…The cases of 4 newborns with congenital syphilis (CS) seen in a rural hospital in Tanzania are reported. Clinical signs may be caused by other diseases than CS…”
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    Journal Article
  20. 20

    Fast optimization of microwave absorbers by Kubytskyi, V., Sapoval, B., Dun, G., Rosnarho, J.-F

    “…We address the question of the optimization of the performance of microwave absorbers. Our approach first use an optimization algorithm applied to an 1D…”
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    Conference Proceeding