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Advanced Search Results For "Li, Cheng"

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 "Li, Cheng"
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New insights into the Lewis acidity of guanidinium species: Lewis acid interaction provides reactivity

Publication Type: Academic Journal

Source(s): Comptes Rendus. Chimie, Vol 23, Iss 2, Pp 185-199 (2020)

Abstract: A unique reactivity pattern in which the catalyst and the reactant motifs are joined together in a substrate is investigated using density functional theory calculations. The versatile triaza CN3 functionality in bicyclic guanidines is combined with a ...

Effectiveness of Virtual Reality in Nursing Education: Meta-Analysis

Publication Type: Academic Journal

Source(s): Journal of Medical Internet Research, Vol 22, Iss 9, p e18290 (2020)

Abstract: BackgroundVirtual reality (VR) is the use of computer technology to create an interactive three-dimensional (3D) world, which gives users a sense of spatial presence. In nursing education, VR has been used to help optimize teaching and learning process...

The RETA Benchmark for Retinal Vascular Tree Analysis

Publication Type: Academic Journal

Source(s): Scientific Data, Vol 9, Iss 1, Pp 1-15 (2022)

Abstract: Measurement(s) Retina blood vessel • Abnormal Retinal vascular morphology • Retinal vascular tree Technology Type(s) Image Segmentation • Digital Image Analysis • Supervised Machine Learning • Computer Application • Computer-Aided Diagnosis • Image Pro...

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High fructose induced osteogenic differentiation of human valve interstitial cells via activating PI3K/AKT/mitochondria signaling

Publication Type: Academic Journal

Source(s): Biomedical Journal, Vol 45, Iss 3, Pp 491-503 (2022)

Abstract: Background: Aortic valve stenosis (AS) is a common, lethal cardiovascular disease. There is no cure except the valve replacement at last stage. Therefore, an understanding of the detail mechanism is imperative to prevent and intervene AS. Metabolic syn...

The association between mutations in ubiquitin-specific protease 26 (USP26) and male infertility: a systematic review and meta-analysis

Publication Type: Academic Journal

Source(s): Asian Journal of Andrology, Vol 24, Iss 4, Pp 422-429 (2022)

Abstract: During recent decades, the association between mutations in ubiquitin-specific protease 26 (USP26) and male infertility remains doubtful. We conducted this meta-analysis to evaluate the association between mutations in USP26 and male infertility accord...

A review of non-destructive methods for the detection tiny defects within organic insulating materials

Publication Type: Academic Journal

Source(s): Frontiers in Materials, Vol 9 (2022)

Abstract: In recent years, solid organic materials such as silicone rubber and epoxy resin have been widely used in electrical equipment due to their excellent insulation properties. However, as a result of manufacturing and design flaws as well as aging issues ...

Protein kinases as therapeutic targets to develop anticancer drugs with natural alkaloids

Publication Type: Academic Journal

Source(s): Frontiers in Bioscience-Landmark, Vol 26, Iss 11, Pp 1349-1361 (2021)

Abstract: Backgroud: Protein kinases play an important role in cell proliferation, differentiation, mobility and cell cycle arrest etc. These enzymes act as important targets in developing anticancer agents. Over the years, a large number of protein kinase inhib...

Theoretical analysis of the elastic free energy contributions to polymer brushes in poor solvent: A refined mean-field theory.

Publication Type: Academic Journal

Source(s): Journal of Chemical Physics; 9/14/2022, Vol. 157 Issue 10, p1-12, 12p

Abstract: Copyright of Journal of Chemical Physics is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users m...

Research on the Classification of Policy Instruments Based on BERT Model.

Publication Type: Academic Journal

Source(s): Discrete Dynamics in Nature & Society. 10/14/2022, p1-9. 9p.

Abstract: Currently, policy instruments are classified mainly by means of manual encoding and checking, which is highly subjective and inefficient, which greatly hinders the development of policy research. The research tries to apply the automatic classification...

Research on the rapid optimization of the layout of permanent basic farmland based on quantity, quality, and ecology

Publication Type: Academic Journal

Source(s): Journal of Agricultural Resources and Environment, Vol 38, Iss 6, Pp 946-956 (2021)

Abstract: Research on the layout optimization of permanent basic farmland is essential for protecting arable land and ensuring food security. To achieve rapid spatial layout optimization of permanent basic farmland based on cultivated land quantity, quality, and...

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