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178 papers found.
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\(\mathcal{P}\) –v criticality in gauged supergravities

AdS black holes show richer transition behaviors in extended phase space by assuming the cosmological constant and its conjugate quantity to behave like thermodynamic pressure and thermodynamic volume. We study the extended thermodynamics of charged dilatonic AdS black holes in a class of Einstein–Maxwell-dilaton theories that can be embedded in gauged supergravities in various...

Exact embeddings of JT gravity in strings and M-theory

We show that two-dimensional JT gravity, the holographic dual of the IR fixed point of the SYK model, can be obtained from the consistent Kaluza–Klein reduction of a class of EMD theories in general D dimensions. For \(D=4\), 5, the EMD theories can be themselves embedded in supergravities. These exact embeddings provide the holographic duals in the framework of strings and M...

Non-rigid point cloud registration based lung motion estimation using tangent-plane distance

preparation. Author Contributions Data curation: Fan Rao. Formal analysis: Fan Rao. Funding acquisition: Wen-long Li, Zhou-ping Yin. Investigation: Wen-long Li. Methodology: Wen-long Li. Supervision: Wen ... -long Li, Zhou-ping Yin. Validation: Fan Rao. Writing ± original draft: Fan Rao. 14 / 15 Writing ± review & editing: Zhou-ping Yin. McClelland JR , Hawkes DJ , Schaeffter T , King AP ( 2012

A Sparse Modulation Signal Bispectrum Analysis Method for Rolling Element Bearing Diagnosis

Modulation signal bispectrum (MSB) analysis is an effective method to obtain the fault frequency for rolling bearing, but harmonics make fault frequency dense and even frequency aliasing. Carrier frequency of bearing is generally determined by its structure and inherent characteristics and changes with the increase of the damage degree, so it is hard to be accurately found. To...

Intrinsically reinforced silks obtained by incorporation of graphene quantum dots into silkworms

Silkworm silks have been widely used in a variety of fields due to their sensuousness, luster and excellent mechanical properties. Researchers have paid special attention in improving the mechanical properties of silks. In this work, Bombyx mori larval silkworms are injected with graphene quantum dots (GQDs) through a vascular injection to enhance mechanical properties of the...

Generation and Analysis of High-Gain Orbital Angular Momentum Vortex Wave Using Circular Array and Parasitic EBG with oblique incidence

, Xidian University, Xi’an, 710071, ChinaRui Xi, Haixia Liu & Long Li AuthorsSearch for Rui Xi in:Nature Research journals • PubMed • Google Scholar Search for Haixia Liu in:Nature Research journals ... • PubMed • Google Scholar Search for Long Li in:Nature Research journals • PubMed • Google Scholar Contributions Long Li proposed the idea. Rui Xi and Haixia Liu developed the method and did simulations

Heat Capacity and Thermodynamic Property of Lithium Pentaborate Pentahydrate

The heat capacity of lithium pentaborate pentahydrate has been measured using an adiabatic calorimeter at the temperature from 297 to 375 K. No phase transition and thermal anomalies were observed. The molar heat capacity of LiB5O8·5H2O can be expressed as (J·mol−1·K−1) = 396.79376

Neural Mechanisms of Autonomic Dysfunction in Neurological Diseases

reviewers for their support and constructive critiques in making this special issue possible. De-Pei Li Yu-Long Li Jianhua Li Sheng Wang References D. P. Li and H. L. Pan, “Glutamatergic regulation of

Neural Mechanisms of Autonomic Dysfunction in Neurological Diseases

reviewers for their support and constructive critiques in making this special issue possible. De-Pei Li Yu-Long Li Jianhua Li Sheng Wang References D. P. Li and H. L. Pan, “Glutamatergic regulation of

Didymocarpus puhoatensis (Gesneriaceae), a new species from Vietnam

Didymocarpus puhoatensis, a new species from Vietnam is described and illustrated with photographs. The new species is morphologically similar to D. brevicalyx and D. epithemoides, but can be easily distinguished by a combination of characters. So far, five species have been recorded in the genus Didymocarpus from Vietnam.

Transcriptome analysis of alternative splicing in different moso bamboo tissues

present study provide a comprehensive view of AS events in moso bamboo. Alternative splicing; Gene characteristics; Tissues - Long Li and Qianqian Shi have contributed equally to this work. College of

Temporal Differentiation of Crop Growth as One of the Drivers of Intercropping Yield Advantage

Search for Peter Christie in:Nature Research journals • PubMed • Google Scholar Search for Long Li in:Nature Research journals • PubMed • Google Scholar Contributions N.D., M.M.T., and L.L. designed the ... Interests The authors declare no competing interests. Corresponding author Correspondence to Long Li. Electronic supplementary material Figure S1 Rights and permissions Open Access This article is

Conservation of the endangered freshwater mussel Solenaia carinata (Bivalvia, Unionidae) in China

Despite the diversity and economic and ecological value of freshwater mussels, relatively little is known about their biology (especially for species outside of Europe and North America). Solenaia carinata is an endangered freshwater mussel, is endemic to China and is now only distributed in Poyang Lake basin. However, its conservation status is not clear. Thus, for this study...

Human nail stem cells are retained but hypofunctional during aging

The nail is a continuous skin appendage. Cells located around the nails, which display coordinated homeostatic dynamics and release a flow of stem cells in response to regeneration, have been identified in mice. However, very few studies regarding human nail stem cells exist in the literature. Using specimens isolated from humans, we detected an unreported population of cells...

A Damaged Constitutive Model for Rock under Dynamic and High Stress State

Technology, 5 South Jinhua Road, Xi’an, Shaanxi 710048, China Correspondence should be addressed to Yan-Long Li; nc.ude.tuax@gnolnayil Received 8 November 2016; Revised 12 January 2017; Accepted 16 January ... 2017; Published 23 February 2017 Academic Editor: Salvatore Russo Copyright © 2017 Yan-Long Li and Zong-Yuan Ma. This is an open access article distributed under the Creative Commons Attribution

A Damaged Constitutive Model for Rock under Dynamic and High Stress State

The main research work of this paper focuses on the theoretical prediction of the constitutive relationship for rock, concrete, and other quasi-brittle materials under dynamic and complex stress state and the influence of dynamic mechanical behavior of rock on practical engineering problems was studied. A damaged elastoplastic model (DEPM) is established for the investigation and...

Targeted next-generation sequencing as a comprehensive test for Mendelian diseases: a cohort diagnostic study

, 518083, ChinaYan Sun, Jing Yu & Mufei LinBGI-Wuhan, BGI-Shenzhen, Wuhan, 430074, ChinaYan Sun, Jianfen Man, Gao Pan, Lique Du, Long Li, Yun Yang, Liangwei Mao, Zhengyu Cheng, Chen Fan & Xiaoming WeiFuyang ... Long Li in:Nature Research journals • PubMed • Google Scholar Search for Yun Yang in:Nature Research journals • PubMed • Google Scholar Search for Liru Qiu in:Nature Research journals • PubMed

Gödel universe from string theory

The Gödel universe is a direct product of a line and a three-dimensional spacetime we call G\(_\alpha \). In this paper, we show that the Gödel metrics can arise as exact solutions in Einstein–Maxwell–Axion, Einstein–Proca–Axion, or Freedman–Schwarz gauged supergravity theories. The last option allows us to embed the Gödel universe in string theory. The ten-dimensional spacetime...

PFKFB3 blockade inhibits hepatocellular carcinoma growth by impairing DNA repair through AKT

-Kai Shi, Xiao-Dong Zhu, Yuan-Yuan Zhang, Hao Cai, Xiao-Long Li, Man-Qing Cao, Shi-Zhe Zhang, Kang-Shuai Li & Hui-Chuan SunKey Laboratory of Carcinogenesis and Cancer Invasion (Fudan University ... ), Ministry of Education, 200032, Shanghai, ChinaWen-Kai Shi, Xiao-Dong Zhu, Yuan-Yuan Zhang, Hao Cai, Xiao-Long Li, Man-Qing Cao, Shi-Zhe Zhang, Kang-Shuai Li & Hui-Chuan SunDepartment of Liver Surgery, Fudan

Design of a Peripheral Building Block for H-Bonded Dendritic Frameworks and Analysis of the Void Space in the Bulk Dendrimers

Three dendrimers, (t-Bu-G 2 N) 2 , CC(t-Bu-G 1 N) 3 and (t-Bu-G 1 N) 2 , with 3,5-di-tert-butyl amidobenzene as a common peripheral moiety were prepared in 64–83% yields and characterized. The bulk solids had high BET surface areas of 136–138 m2/g, which were similar for the three dendrimers in spite of their different molecular weight (ranging from 1791 to 2890). It was...