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73 papers found.
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A New Approach to the Existence of Quasiperiodic Solutions for Second-Order Asymmetric -Laplacian Differential Equations

, Shangrao Normal University, Shangrao 334001, China 2School of Sciences, Tianjin Chengjian University, Tianjin 300384, China Correspondence should be addressed to Xiaoming Wang; moc.361@30adusmxw Received ... 24 April 2018; Accepted 17 May 2018; Published 19 June 2018 Academic Editor: Liguang Wang Copyright © 2018 Xiaoming Wang and Lixia Wang. This is an open access article distributed under the Creative

Heuristic Localization Algorithm with a Novel Error Control Mechanism for Wireless Sensor Networks with Few Anchor Nodes

ZNDY, Nanjing University of Science and Technology, Nanjing 210094, China Correspondence should be addressed to Xiaoming Wang; moc.361@mx202 Received 11 November 2017; Revised 23 May 2018; Accepted 7

MicroRNA-9 modified bone marrow-derived mesenchymal stem cells (BMSCs) repair severe acute pancreatitis (SAP) via inducing angiogenesis in rats

BackgroundSevere acute pancreatitis (SAP) is an acute abdominal disease characterized by pancreatic necrosis and systemic disease. In a previous study, we showed that bone marrow-derived mesenchymal stem cells (BMSCs) can reduce SAP by secreting microRNA (miR)-9; however, the underlying mechanism remains unclear. The present study investigated the mechanism underlying BMSC...

Velocity Control Based on Active Disturbance Rejection for Air-Breathing Supersonic Vehicles

This paper investigates a velocity tracking control approach for air-breathing supersonic vehicles with uncertainties and external disturbances. Considering angle of attack is difficult to be precisely measured in practice, extended state observer technique is introduced into the state reconstruction design. In order to avoid possible oscillations in the design of the traditional...

An Exploration of Neighborhood Residents’ Cognition of and Participation in Low-Carbon Behaviors in Wuhan, China

This paper analyzed neighborhood residents’ cognition of and participation in low-carbon behaviors, basing on a questionnaire survey launched in a neighborhood in Wuhan, China. Results indicate that most respondents concerned the low-carbon impact on their daily lives and expected the government to make differences in low-carbon transition. Neighborhood residents’ participation...

An Exploration of Neighborhood Residents’ Cognition of and Participation in Low-Carbon Behaviors in Wuhan, China

This paper analyzed neighborhood residents’ cognition of and participation in low-carbon behaviors, basing on a questionnaire survey launched in a neighborhood in Wuhan, China. Results indicate that most respondents concerned the low-carbon impact on their daily lives and expected the government to make differences in low-carbon transition. Neighborhood residents’ participation...

Effects of Aluminum Powder on Ignition Performance of RDX, HMX, and CL-20 Explosives

As a kind of high explosives, aluminized explosive cannot release the energy maximumly, which is a key problem. Using DTA-TG equipment, the ignition performance of three kinds of aluminized explosives (RDX, HMX, and CL-20) with different mass percentages of aluminum powder (0%, 10 wt.%, 20 wt.%, and 30 wt.%) was investigated. The results showed that the energy release of the HMX...

Aubry-Mather sets in semilinear asymmetric Duffing equations

In this paper, by introducing an appropriate action-angle variable transformation and adopting a new estimate method, we prove the existence of Aubry-Mather sets to a class of semilinear asymmetric Duffing equations x ″ + α x + − β x − + f ( t , x ) = 0 , where x ± = max { ± x , 0 } , α and β are positive constants satisfying 1 α + 1 β = 2 ω with ω ∈ R + , and f ( t , x ) ∈ C 0...

Perspectives on strained intensive care unit capacity: A survey of critical care professionals

. Stelfox, Elaine Gilfoyle, R. T. Noel Gibney, Michael Meier, Paul Boucher, David McKinlay, Christiane N. Job McIntosh, David A. Zygun, Sean M. Bagshaw. Formal analysis: Dawn Opgenorth, Xiaoming Wang, Sean M ... Gibney, Michael Meier, Paul Boucher, David McKinlay, Christiane N. Job McIntosh, Xiaoming Wang, David A. Zygun, Sean M. Bagshaw. 11 / 13 12 / 13 1. Bagshaw SM , Opgenorth D , Potestio M , Hastings SE

Anthropometry-based 24-h urinary creatinine excretion reference for Chinese children

. Project administration: Jianchao Bian. Resources: Jianchao Bian, Xiaoming Wang. Software: Wei Wang, Wen Chen. Supervision: Jianchao Bian, Wanqi Zhang. Visualization: Wei Wang, Cong Du, Wanqi Zhang

Accessibility and socio-economic development of human settlements

Access to facilities, services and socio-economic opportunities plays a critical role in the growth and decline of cities and human settlements. Previous attempts to explain changes in socio-economic indicators by differences in accessibility have not been convincing as countries with highly developed transport infrastructure have only seen marginal benefits of infrastructure...

Serum Metabolomics Study Based on LC-MS and Antihypertensive Effect of Uncaria on Spontaneously Hypertensive Rats

Our previous studies have shown that Uncaria has an important role in lowering blood pressure, but its intervention mechanism has not been clarified completely in the metabolic level. Therefore, in this study, a combination method of HPLC-TOF/MS-based metabolomics and multivariate statistical analyses was employed to explore the mechanism and evaluate the antihypertensive effect...

Serum Metabolomics Study Based on LC-MS and Antihypertensive Effect of Uncaria on Spontaneously Hypertensive Rats

Our previous studies have shown that Uncaria has an important role in lowering blood pressure, but its intervention mechanism has not been clarified completely in the metabolic level. Therefore, in this study, a combination method of HPLC-TOF/MS-based metabolomics and multivariate statistical analyses was employed to explore the mechanism and evaluate the antihypertensive effect...

Public Key Encryption with Keyword Search from Lattices in Multiuser Environments

A public key encryption scheme with keyword search capabilities is proposed using lattices for applications in multiuser environments. The proposed scheme enables a cloud server to check if any given encrypted data contains certain keywords specified by multiple users, but the server would not have knowledge of the keywords specified by the users or the contents of the encrypted...

Percutaneous nephrolithotomy versus retrograde intrarenal surgery for the treatment of kidney stones up to 2 cm in patients with solitary kidney: a single centre experience

Yunjin Bai 0 Xiaoming Wang 0 Yubo Yang Ping Han Jia Wang 0 Equal contributors Department of Urology, Institute of Urology, West China Hospital, Sichuan University , Chengdu , China Background: To compare

Seasonal Multifactor Modelling of Weighted-Mean Temperature for Ground-Based GNSS Meteorology in Hunan, China

In this study, radiosonde observations during the period of 2012-2013 from three stations in the Hunan region, China, were used to establish regional models (RTMs) that are a fitting function of multiple meteorological factors (, , and ). One-factor, two-factor, and three-factor RTMs were assessed by comparing their against the radiosonde-derived (as the truth) during the period...

Quasi-periodic solutions for second order differential equation with superlinear asymmetric nonlinearities and nonlinear damping term

In this paper, the existence of Aubry-Mather sets and quasi-periodic solutions of the oscillator x ″ + α x + 3 − β x − 3 + f ( x ) q ( x ′ ) + ψ ( x ) = p ( t ) are established, where f, q, and ψ belong to the class C 1 ( R ) , p is a continuous 2π-periodic function. Under some assumptions on the parities of f, ψ, and p, we prove that there are infinitely many generalized quasi...

On the existence of solutions for nonhomogeneous Schrödinger-Poisson system

In this paper, we study the existence of solutions for the following nonhomogeneous Schrödinger-Poisson systems: ( ∗ ) { − Δ u + V ( x ) u + K ( x ) ϕ ( x ) u = f ( x , u ) + g ( x ) , x ∈ R 3 , − Δ ϕ = K ( x ) u 2 , lim | x | → + ∞ ϕ ( x ) = 0 , x ∈ R 3 , where f ( x , u ) is either sublinear in u as | u | → ∞ or a combination of concave and convex terms. Under some suitable...

Parity and bladder cancer risk: a dose-response meta-analysis

Background Multiple studies have reported evidence of an inverse association between parity and bladder cancer risk. However, a comprehensive and quantitative assessment of this association has never been conducted. We conducted this study to clarify this issue. Methods Systematic search of PubMed and Embase was performed to identify all the studies. Studies were selected based...

Whole Genome Mapping with Feature Sets from High-Throughput Sequencing Data

A good physical map is essential to guide sequence assembly in de novo whole genome sequencing, especially when sequences are produced by high-throughput sequencing such as next-generation-sequencing (NGS) technology. We here present a novel method, Feature sets-based Genome Mapping (FGM). With FGM, physical map and draft whole genome sequences can be generated, anchored and...