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Träfflista för sökning "WFRF:(Wang Q) "

Search: WFRF:(Wang Q)

  • Result 1971-1980 of 2170
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1971.
  •  
1972.
  • Wang, Q., et al. (author)
  • Multilayer InAs/InGaAs quantum dot structure grown by MOVPE for optoelectronic device applications
  • 2006
  • In: Nanoengineering: Fabrication, Properties, Optics, and Devices III. - : SPIE. ; , s. L3270-L3270
  • Conference paper (peer-reviewed)abstract
    • We report on a quantum dot (QD) structure grown on a 4" GaAs substrate by metal organic vapor phase epitaxy (MOVPE), which consists of five stacked InAs/InGaAs/GaAs QD layers embedded in the center of a typical in-plane waveguide. The density of the QDs is about 2.5 × 1010 cm -2 per QD layer. The photoluminescence (PL) peak wavelength at 1322 nm corresponding to the interband transition of the QD ground states was observed at room temperature with a full width at half-maximum of 49 meV. A good uniformity of the QD structure across the 4" wafer was verified with a variation of the PL peak wavelength of 0.9 % from the wafer center to the edge. Top p-contacts and a bottom n-contact were processed on the QD structure, and electroluminescence (EL) spectra were measured at different temperatures. An EL peak corresponding to the QD ground states emission was obtained at 1325 nm at room temperature.
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1973.
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1974.
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1975.
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1976.
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1977.
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1978.
  • Wang, Q, et al. (author)
  • Radiomics Models for Predicting Microvascular Invasion in Hepatocellular Carcinoma: A Systematic Review and Radiomics Quality Score Assessment
  • 2021
  • In: Cancers. - : MDPI AG. - 2072-6694. ; 13:22
  • Journal article (peer-reviewed)abstract
    • Preoperative prediction of microvascular invasion (MVI) is of importance in hepatocellular carcinoma (HCC) patient treatment management. Plenty of radiomics models for MVI prediction have been proposed. This study aimed to elucidate the role of radiomics models in the prediction of MVI and to evaluate their methodological quality. The methodological quality was assessed by the Radiomics Quality Score (RQS), and the risk of bias was evaluated by the Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2). Twenty-two studies using CT, MRI, or PET/CT for MVI prediction were included. All were retrospective studies, and only two had an external validation cohort. The AUC values of the prediction models ranged from 0.69 to 0.94 in the test cohort. Substantial methodological heterogeneity existed, and the methodological quality was low, with an average RQS score of 10 (28% of the total). Most studies demonstrated a low or unclear risk of bias in the domains of QUADAS-2. In conclusion, a radiomics model could be an accurate and effective tool for MVI prediction in HCC patients, although the methodological quality has so far been insufficient. Future prospective studies with an external validation cohort in accordance with a standardized radiomics workflow are expected to supply a reliable model that translates into clinical utilization.
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1979.
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1980.
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  • Result 1971-1980 of 2170
Type of publication
journal article (1892)
conference paper (126)
research review (13)
other publication (2)
book chapter (2)
reports (1)
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editorial proceedings (1)
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Type of content
peer-reviewed (2081)
other academic/artistic (76)
Author/Editor
Zhou, B. (756)
Liu, Y. (752)
Meyer, J. (749)
Zhu, J. (747)
Fox, H. (745)
Qian, J. (745)
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Evans, H. (743)
Kupco, A. (743)
Quadt, A. (743)
Sawyer, L. (743)
Snyder, S. (743)
Stark, J. (743)
Abbott, B. (742)
Brandt, A. (742)
Burdin, S. (742)
Khanov, A. (742)
Lokajicek, M. (742)
Neal, H. A. (742)
Pleier, M. -A. (742)
Watts, G. (742)
Borissov, G. (741)
Brock, R. (741)
Cooke, M. (741)
Fiedler, F. (741)
Kehoe, R. (741)
Strauss, M. (741)
Schwienhorst, R. (740)
Shabalina, E. (740)
Simak, V. (739)
Hohlfeld, M. (738)
Rizatdinova, F. (738)
Sanders, M. P. (738)
Severini, H. (738)
Tsybychev, D. (738)
Hubacek, Z. (737)
Filthaut, F. (734)
Nunnemann, T. (734)
Han, L. (733)
Schamberger, R. D. (733)
Denisov, S. P. (732)
Skubic, P. (728)
Gutierrez, P. (727)
Grivaz, J. -F. (727)
Zieminska, D. (726)
Vokac, P. (683)
Chakraborty, D. (680)
White, A. (680)
Peters, K. (670)
Lubatti, H. J. (665)
Buescher, V. (661)
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Royal Institute of Technology (557)
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Chalmers University of Technology (138)
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RISE (28)
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Swedish Museum of Natural History (3)
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IVL Swedish Environmental Research Institute (2)
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English (2163)
Chinese (5)
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Research subject (UKÄ/SCB)
Natural sciences (1092)
Medical and Health Sciences (250)
Engineering and Technology (179)
Social Sciences (12)
Agricultural Sciences (5)
Humanities (2)

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