Articles with "ring based" as a keyword



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Tree ring–based minimum temperature reconstruction in the central Hengduan Mountains, China

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Published in 2020 at "Theoretical and Applied Climatology"

DOI: 10.1007/s00704-020-03169-5

Abstract: We developed a tree ring-width chronology of Abies georgei at the timber line in the Big Snow Mountain Scenic Area in northwestern Yunnan, China. The climate-tree growth response analysis indicated that temperature was the predominant… read more here.

Keywords: tree ring; temperature; temperature reconstruction; minimum temperature ... See more keywords
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Synthesis and evaluation of N-heteroaromatic ring-based analogs of piperlongumine as potent anticancer agents.

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Published in 2017 at "European journal of medicinal chemistry"

DOI: 10.1016/j.ejmech.2017.06.046

Abstract: Piperlongumine (PL) selectively targets a wide spectrum of cancer cells and induces their death by triggering various pathways, including apoptosis, necrosis and autophagy. However, the poor solubility is a serious concern for intensive study and… read more here.

Keywords: heteroaromatic ring; based analogs; potent anticancer; ring ... See more keywords
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Precise Drift Tracking for In Situ Transmission Electron Microscopy via a Thon-Ring Based Sample Position Measurement

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Published in 2022 at "Microscopy and Microanalysis"

DOI: 10.1017/s1431927622000691

Abstract: Abstract Visualizing how a catalyst behaves during chemical reactions using in situ transmission electron microscopy (TEM) is crucial for understanding the activity origin and guiding performance optimization. However, the sample drifts as temperature changes during… read more here.

Keywords: electron microscopy; situ transmission; microscopy; transmission electron ... See more keywords
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Extremely High Kerr Constant and Low Operating Voltage in a Stable Room-Temperature Blue Phase III Derived from Three-Ring-Based Bent-Core Molecules.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c09392

Abstract: In this study, we used a new series of highly polar three-ring-based bent-core liquid crystals (BCLCs) to stabilize a wide temperature range of blue phase III (BPIII), including room temperature. A significant finding is the… read more here.

Keywords: three ring; based bent; temperature; ring based ... See more keywords
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The hierarchical assembly of a multi-level DNA ring-based nanostructure in a precise order and its application for screening tumor cells.

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Published in 2021 at "Biomaterials science"

DOI: 10.1039/d0bm00085j

Abstract: DNA nanotechnology can be used to precisely construct nanostructures of different shapes, sizes and surface chemistry, which is appreciated in a variety of areas such as biomaterials, nanodevices, disease diagnosis, imaging, and drug delivery. Enzymatic… read more here.

Keywords: dna; hierarchical assembly; level dna; ring based ... See more keywords

A non-linear triangular split-ring based metaresonator for targeted scanning at 1.5T MRI

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Published in 2023 at "Physica Scripta"

DOI: 10.1088/1402-4896/accf49

Abstract: In magnetic resonance imaging (MRI), RF signals are initially transmitted to stimulate the body protons which eventually release the electromagnetic energy while returning back to their original states. The image resolution and scanning efficiency of… read more here.

Keywords: triangular split; metaresonator; mri; based metaresonator ... See more keywords
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2D-HRA: Two-Dimensional Hierarchical Ring-Based All-Reduce Algorithm in Large-Scale Distributed Machine Learning

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.3028367

Abstract: Gradient synchronization, a process of communication among machines in large-scale distributed machine learning (DML), plays a crucial role in improving DML performance. Since the scale of distributed clusters is continuously expanding, state-of-the-art DML synchronization algorithms… read more here.

Keywords: ring based; scale distributed; large scale; distributed machine ... See more keywords

Ring-Based Crossovers in Genetic Algorithms: Characteristic Decomposition and Their Generalization

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Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3117987

Abstract: Effective crossover methods are essential for genetic algorithms because they enhance population diversity, resulting in an increase in the search space to be explored and the mitigation of trapping at local optima. Ring-based crossover methods… read more here.

Keywords: crossover; ring based; genetic algorithms; crossover methods ... See more keywords
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Tree Ring-Based Estimation of Landslide Areal Reactivation as a Fundament of Magnitude–Frequency Assessment

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Published in 2020 at "Forests"

DOI: 10.3390/f11040400

Abstract: Magnitude–frequency (M–F) relationships represent important information on slope deformation and are used in hazard assessment or as supporting data for urban planning. Various approaches have been used to extract such relationships in the past, but… read more here.

Keywords: tree ring; frequency; based estimation; ring based ... See more keywords
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A Novel 3D Ring-Based Flapper Valve for Soft Robotic Applications

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Published in 2022 at "Robotics"

DOI: 10.3390/robotics11010002

Abstract: In this paper, the design and testing of a novel valve for the intuitive spatial control of soft or continuum manipulators are presented. The design of the valve is based on the style of a… read more here.

Keywords: novel ring; robotics; flapper valve; ring based ... See more keywords