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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1975 2
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1981 1
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1988 1
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1993 1
1994 1
1995 1
1996 2
1997 2
1998 3
1999 1
2000 2
2001 3
2002 5
2003 1
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2007 12
2008 10
2009 14
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1,265 results

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Page 1
Virtual Water Embodied in Interregional Energy Trade in China: A City-Level Analysis.
Jin Y, Feng C, Yuan R, Yang J, Behrens P. Jin Y, et al. Environ Sci Technol. 2024 May 7;58(18):7838-7848. doi: 10.1021/acs.est.3c10455. Epub 2024 Apr 24. Environ Sci Technol. 2024. PMID: 38656157
Intercity virtual water, that is, water embodied in energy trade across cities, reached 54% (2.6 Gm(3)) of energy-related freshwater consumption. ...This study reveals significant differences in city-level virtual water patterns (e.g., scale and …
Intercity virtual water, that is, water embodied in energy trade across cities, reached 54% (2.6 Gm(3)) of energy-relat …
Effect of energy level on the spatial resolution and noise frequency characteristics of virtual monochromatic images: a phantom experiment using four types of CT scanners.
Suzuki S, Fukui R, Harashima S, Samejima W. Suzuki S, et al. Jpn J Radiol. 2022 Jan;40(1):94-102. doi: 10.1007/s11604-021-01180-y. Epub 2021 Jul 25. Jpn J Radiol. 2022. PMID: 34304382
We evaluated the MTF and NPS in the VMIs obtained at each keV. RESULTS: No significant effect of the energy level on the MTF was observed in IQon, whereas the spatial resolution decreased as the energy level decreased in the other types of scanners. .. …
We evaluated the MTF and NPS in the VMIs obtained at each keV. RESULTS: No significant effect of the energy level on the MTF w …
Determining the Optimal Energy Level of Virtual Monoenergetic Images in Dual-Source CT for Diagnosis of Bowel Obstruction and Colitis.
Lahuna L, Greffier J, Goupil J, Frandon J, Pastor M, De Oliveira F, Beregi JP, Dabli D. Lahuna L, et al. Diagnostics (Basel). 2023 Nov 21;13(23):3491. doi: 10.3390/diagnostics13233491. Diagnostics (Basel). 2023. PMID: 38066732 Free PMC article.
For both patient groups, the noise decreased significantly according to the energy level from 40 to 60 keV by -47.2 24.0% for bowel obstruction and -50.4 18.2% for colitis. ...The maximum CNR value was found at 60 keV compared to other energy levels an …
For both patient groups, the noise decreased significantly according to the energy level from 40 to 60 keV by -47.2 24.0% for …
The Optimal Energy Level of Virtual Monochromatic Images From Spectral CT for Reducing Beam-Hardening Artifacts Due to Contrast Media in the Thorax.
Kim C, Kim D, Lee KY, Kim H, Cha J, Choo JY, Cho PK. Kim C, et al. AJR Am J Roentgenol. 2018 Sep;211(3):557-563. doi: 10.2214/AJR.17.19377. Epub 2018 Jul 5. AJR Am J Roentgenol. 2018. PMID: 29975117
OBJECTIVE: The purpose of this study is to determine the optimal energy level of virtual monochromatic images from spectral CT compared with conventional polychromatic images for reducing beam-hardening artifacts caused by contrast media in the thorax. ...How …
OBJECTIVE: The purpose of this study is to determine the optimal energy level of virtual monochromatic images from spec …
Evaluation of Spatial Resolution of Virtual Monochromatic Imaging In Vitro: Effect of Energy Level and Contrast.
Suzuki S, Fukui R, Yamamoto Y, Nakayama S, Suzuki M, Kuwahara S. Suzuki S, et al. J Comput Assist Tomogr. 2021 Jan-Feb 01;45(1):93-97. doi: 10.1097/RCT.0000000000001046. J Comput Assist Tomogr. 2021. PMID: 32976256
OBJECTIVE: Our aim was to evaluate effects of the energy level and contrast on the spatial resolution of virtual monochromatic imaging (VMI). ...With both scanners, NPS curves demonstrate uniform increase in NPS across the entire spatial frequency as the e …
OBJECTIVE: Our aim was to evaluate effects of the energy level and contrast on the spatial resolution of virtual monoch …
Determination of optimal virtual monochromatic energy level for target delineation of brain metastases in radiosurgery using dual-energy CT.
Karino T, Ohira S, Kanayama N, Wada K, Ikawa T, Nitta Y, Washio H, Miyazaki M, Teshima T. Karino T, et al. Br J Radiol. 2020 Feb 1;93(1106):20180850. doi: 10.1259/bjr.20180850. Epub 2019 Dec 20. Br J Radiol. 2020. PMID: 31825643 Free PMC article.
OBJECTIVE: Determination of the optimal energy level of virtual monochromatic image (VMI) for brain metastases in contrast-enhanced dual-energy CT (DECT) for radiosurgery and assessment of the subjective and objective image quality of VMI at the optima …
OBJECTIVE: Determination of the optimal energy level of virtual monochromatic image (VMI) for brain metastases in contr …
Virtual monochromatic reconstructions of dual energy CT in abdominal trauma: optimization of energy level improves pancreas laceration conspicuity and diagnostic confidence.
Sugrue G, Walsh JP, Zhang Y, Niu B, Macri F, Khasanova E, Metwally O, Murray N, Nicolaou S. Sugrue G, et al. Emerg Radiol. 2021 Feb;28(1):1-7. doi: 10.1007/s10140-020-01791-4. Epub 2020 May 30. Emerg Radiol. 2021. PMID: 32474732
This study qualitatively and quantitively assessed pancreatic lacerations with virtual monoenergetic dual-energy CT (DE CT) to establish an optimal energy level for visualization of pancreatic lacerations. ...All studies were performed in our Emergency …
This study qualitatively and quantitively assessed pancreatic lacerations with virtual monoenergetic dual-energy CT (DE CT) to …
Dual-energy CT: minimal essentials for radiologists.
Tatsugami F, Higaki T, Nakamura Y, Honda Y, Awai K. Tatsugami F, et al. Jpn J Radiol. 2022 Jun;40(6):547-559. doi: 10.1007/s11604-021-01233-2. Epub 2022 Jan 4. Jpn J Radiol. 2022. PMID: 34981319 Free PMC article. Review.
Dual-energy CT, the object is scanned at two different energies, makes it possible to identify the characteristics of materials that cannot be evaluated on conventional single-energy CT images. ...The beam-hardening effect is lower with raw data-based analysi …
Dual-energy CT, the object is scanned at two different energies, makes it possible to identify the characteristics of material …
Virtual monochromatic image at lower energy level for assessing pancreatic ductal adenocarcinoma in fast kV-switching dual-energy CT.
Noda Y, Goshima S, Kaga T, Ando T, Miyoshi T, Kawai N, Kawada H, Tanahashi Y, Matsuo M. Noda Y, et al. Clin Radiol. 2020 Apr;75(4):320.e17-320.e23. doi: 10.1016/j.crad.2019.11.012. Epub 2019 Dec 23. Clin Radiol. 2020. PMID: 31879024
AIM: To evaluate the value of virtual monochromatic images (VMIs) at lower energy levels in fast-voltage-switching dual-energy computed tomography (DECT) for assessing pancreatic ductal adenocarcinoma (PDAC). ...Seventy-four consecutive patients with P …
AIM: To evaluate the value of virtual monochromatic images (VMIs) at lower energy levels in fast-voltage-switching dual …
Effects of energy level, reconstruction kernel, and tube rotation time on Hounsfield units of hydroxyapatite in virtual monochromatic images obtained with dual-energy CT.
Jeong DK, Lee SS, Kim JE, Huh KH, Yi WJ, Heo MS, Choi SC. Jeong DK, et al. Imaging Sci Dent. 2019 Dec;49(4):273-279. doi: 10.5624/isd.2019.49.4.273. Epub 2019 Dec 24. Imaging Sci Dent. 2019. PMID: 31915612 Free PMC article.
PURPOSE: This study was performed to investigate the effects of energy level, reconstruction kernel, and tube rotation time on Hounsfield unit (HU) values of hydroxyapatite (HA) in virtual monochromatic images (VMIs) obtained with dual-energy computed …
PURPOSE: This study was performed to investigate the effects of energy level, reconstruction kernel, and tube rotation time on …
1,265 results