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Communications in Theoretical Physics 2018年第4期69卷 449-460页

作者： Tariq Javed b.Ahmed M.Sajid Department of Mathematics and Statistics International Islamic University

The current study focuses on the numerical investigation of the mixed convective peristaltic mechanism through a vertical tube for non-zero Reynolds and wave number. In the set of constitutional equations, energy equation contains the term representing heat generation parameter. The problem is formulated by dropping the assumption of lubrication theory that turns the model mathematically into a system of the nonlinear partial differential equations. The results of the long wavelength in a creeping flow are deduced from the present analysis. Thus, the current study explores the neglected features of peristaltic heat flow in the mixed convective model by considering moderate values of Reynolds and wave numbers. The finite element based on Galerkin's weighted residual scheme is applied to solve the governing equations. The computed solution is presented in the form of contours of streamlines and isothermal lines, velocity and temperature profiles for variation of different involved parameters. The investigation shows that the strength of circulation for stream function increases by increasing the wave number and Reynolds number. Symmetric isotherms are reported for small values of time-mean flow. Linear behavior of pressure is noticed by vanishing inertial forces while the increase in pressure is observed by amplifying the Reynolds number.

关键词：混合对流热流动波浪学习蠕动试管垂直 Galerkin

Oscillation of Second Order Nonlinear Delay Damped Difference Equations

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Acta Mathematica Sinica,English Series 2007年第4期23卷 715-722页

作者： S.H.SAKER b.G.ZHANG Department of Mathematics Faculty of ScienceMansoura UniversityMansoura 35516Egypt Department of Mathematics Ocean University of ChinaQingdao 266071P.R.China

Some new oscillation criteria for nonlinear delay difference equation with damping △^2xn＋pn△xn＋F（n,x（n-τ,△x（n-σ）=0,n=0,1,2,…,（＊）are given. Our results partially solve the open problem posed in [Math. bohemica, 125 （2000）, 421- 430]. Also, we will establish some new oscillation criteria for special cases of （＊）, which improve some of the well-known results in the literature.

关键词： oscillation second-order difference equations Riccati techniques

The ascent of immune checkpoint inhibitors： is the understudy ready for a leading role？

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Cancer biology & Medicine 2017年第4期14卷 341-347页

作者： Amy L. Cummings Edward b. Garon Department of Hematology and Oncology David Geffen School of Medicine at the University of California Los Angeles 90095 USA

The recent approval of pembrolizumab as second-line treatment for any solid tumor with high-level microsatellite instability or mismatch repair deficiency agnostic of tissue and origin1 has shattered a glass ceiling for immune checkpoint *** longer bound to a specific cancer diagnosis but rather a biomarker,pembrolizumab has heightened a burgeoning optimism towards the drug *** how these agents should carve out additional

关键词： PD The ascent of immune checkpoint inhibitors:is the understudy ready for a leading role PFS OS ORR IHC

Localized States of an Excess Electron in an Ionic Cluster

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Communications in Theoretical Physics 2013年第12期60卷 738-746页

作者： K.V.Grigorishin b.I.Lev boholyubov Institute for Theoretical Physics of the National Academy of Sciences of Ukraine

A theory of an electron afnity for an ionic cluster is proposed both in a quasiclassical approach and with quantization of a polarization electric field in a nanoparticle. A critical size of the cluster regarding in formation of an electron's autolocalized state, dependencies of energy and radius of a polaron on a cluster's size are obtained by a variational method. It has been found that binding energy of the electron in the cluster depends on a cluster's radius but a radius of electron's auto-localization does not depend on the cluster's radius and it equals to the polaron radius in a corresponding infinity crystal. A bound state of the electron in a cluster is possible only if the cluster's radius is more than the polaron radius.

关键词：电子亲和势离子簇局域态小极化子经典方法极化电场临界尺寸变分方法

Contributors’enrollment in collaborative online communities:the case of OpenStreetMap

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Geo-Spatial Information Science 2017年第3期20卷 282-295页

作者： Daniel bégin Rodolphe Devillers Stéphane Roche Department of Geography Memorial University of NewfoundlandSt.John’sCanada Centre de Recherche en Géomatique UniversitéLavalQuébecCanada

The number of people registering in an online community depends on two main factors:interest in,and awareness of,the *** to a project does not,however,imply contributing to it,as lacking the knowledge and skills can be a barrier to *** order to identify the nature of events that might have facilitated or hindered enrollments in the OpenStreetMap(OSM)project over time,we analyzed the correlations between the number of new participants and the events that dotted its *** different metrics were defined to characterize participants’behaviors:the daily number of registrations,the daily number of participants that made a first contribution,the delays between contributors’registration and their first edits,and a daily contribution ratio built from the number of new contributors and the number of new registered *** series analyses were used to identify trends,and outstanding variations of the number of *** inventory of events that took place along the OSM project’s history was created and appreciable variations of the metrics have been linked to events that seemed to be *** a correlation does not imply causality,many of the explanations these correlations suggest are supported by the results of other studies,either directly or *** instance,when considering the time participants spend as“lurker”,as well as on the nature of the contribution of early *** other cases,they suggest new explanations for the origin of the spam accounts that affect registration statistics,or the decline in the proportion of registered members who actually become contributors.

关键词： OpenStreetMap(OSM) contributors lurkers participation knowledge motivation

battery state-of-charge estimation using machine learning analysis of ultrasonic signatures

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能源与人工智能(英文) 2022年第4期10卷 60-72页

作者： Elias Galiounas Tom G.Tranter Rhodri E.Owen James b.Robinson Paul R.Shearing Dan J.L.brett Electrochemical Innovation Lab Department of Chemical EngineeringUniversity College LondonLondonWC1E 7JEUK The Faraday Institution Quad OneBecquerel AvenueHarwell CampusDidcotOX11 The Alan Turing Institute British Library96 Euston RoadLondon NW12DB

The potential of acoustic signatures to be used for State-of-Charge(SoC)estimation is demonstrated using artificial neural network regression *** approach represents a streamlined method of processing the entire acoustic waveform instead of performing manual,and often arbitrary,waveform peak *** applications where computational economy is prioritised,simple metrics of statistical significance are used to formally identify the most informative waveform *** alone can be exploited for SoC *** is further shown that signal portions representing both early and late interfacial reflections can correlate highly with the SoC and be of predictive value,challenging the more common peak selection methods which focus on the *** later echoes represent greater through-thickness coverage,and are intuitively more information-rich,their presence is not *** waveform treatment offers a more robust approach to correlating acoustic signatures to electrochemical *** is further demonstrated that transformation into the frequency domain can reduce the dimensionality of the problem significantly,while also improving the estimation *** importantly,it is shown that acoustic signatures can be used as sole model inputs to produce highly accurate SoC estimates,without any complementary voltage *** makes the method suitable for applications where redundancy and diversification of SoC estimation approaches is *** is obtained experimentally from a 210 mAh LiCoO2/graphite pouch *** estimation errors as low as 0.75%are achieved on a SoC scale of 0-100%.

关键词： battery diagnostics Ultrasonic battery monitoring Acoustic battery inspection Mechanical-electrochemical correlation Machine learning Artificial neural networks

Transformation optics applied to van der Waals interactions

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Science bulletin 2016年第1期61卷 59-67页

作者： Rongkuo Zhao Yu Luo J.b.Pendry National Science Foundation Nanoscale Science and Engineering Center University of California Centre for Opto Electronics and biophotonics (OPTIMUS) School of Electrical and Electronic Engineering Nanyang Technological University The blackett Laboratory Department of Physics Imperial College London

The van der Waals force originates from the electromagnetic interaction between quantum fluctuationinduced charges. It is a ubiquitous but subtle force which plays an important role and has a wide range of applications in surface related phenomena like adhesion, friction,and colloidal stability. Calculating the van der Waals force between closely spaced metallic nanoparticles is very challenging due to the strong concentration of electromagnetic fields at the nanometric gap. Especially, at such a small length scale, the macroscopic description of the dielectric properties no longer suffices. The diffuse nonlocal nature of the induced surface electrons which are smeared out near the boundary has to be considered. Here,we review the recent progress on using three-dimensional transformation optics to study the van der Waals forces between closely spaced nanostructures. Through mapping a seemingly asymmetric system to a more symmetric counterpart, transformation optics enables us to look into the behavior of van der Waals forces at extreme length scales,where the effect of nonlocality is found to dramatically weaken the van der Waals interactions.

关键词：范德瓦尔斯力电磁相互作用变换光学应用金属纳米粒子不对称系统表面现象胶体稳定性

Measuring the Malaysian Islamic Subsidiaries and Commercial banks' Efficiency

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Measuring the Malaysian Islamic Subsidiaries and Commercial ...

TELS: A Novel Computational Framework for Identifying Motif Signatures of Transcribed Enhancers

2012 International Conference on Economics, business Innovation（ICEbI 2012）

作者： Suraya Ahmad Wan Noor Hazlina Wan Jusoh Abdul Rahim Abdul rahman Faculty of Accountancy Universiti Teknologi MARA TerengganuMalaysia Centre for Islamic Thought and Understanding Universiti Teknologi MARA TerengganuMalaysia Department of Accounting Kulliyyah of Economics and Management Sciences International Islamic University Malaysia

This study measures and ranks the relative efficiency of the domestic Islamic subsidiaries and commercial banks in Malaysia from the year 2008 to 2010. Nine domestic commercial banks and nine Islamic subsidiaries are selected. The study uses the Data Envelopment Analysis as the method to measure the relative efficiency of the selected banks in intermediating personnel expense and total customer deposits (i.e. inputs) into total loan (i.e. output). The study focuses on the technical efficiency, pure technical efficiency and scale efficiency. This study found that the technical inefficiency of the selected banks in 2008 was due to the pure technical inefficiency. This indicated that the scale efficiency was higher than the pure technical efficiency. However, in 2009 and 2010, the pure technical efficiency was higher compared to the scale efficiency. Hence, the technical inefficiency was due to the scale inefficiency.

关键词： Islamic subsidiaries, commercial banks, efficiency, Malaysia.

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Genomics, Proteomics & bioinformatics 2018年第5期16卷 332-341页

作者： Dimitrios Kleftogiannis Haitham Ashoor Vladimir b.bajic Centre for Evolution and Cancer Division of Molecular PathologyThe Institute of Cancer Research(ICR)London SM2 5NGUnited Kingdom The Jackson Laboratory for Genomic Medicine FarmingtonCT 06032USA Computational bioscience Research Center(CbRC) ComputerElectrical and Mathematical Sciences and Engineering

In mammalian cells, transcribed enhancers(TrEns) play important roles in the initiation of gene expression and maintenance of gene expression levels in a spatiotemporal manner. One of the most challenging questions is how the genomic characteristics of enhancers relate to enhancer activities. To date, only a limited number of enhancer sequence characteristics have been investigated, leaving space for exploring the enhancers’ DNA code in a more systematic way. To address this problem, we developed a novel computational framework, Transcribed Enhancer Landscape Search(TELS), aimed at identifying predictive cell type/tissue-specific motif signatures of *** a case study, we used TELS to compile a comprehensive catalog of motif signatures for all known TrEns identified by the FANTOM5 consortium across 112 human primary cells and *** results confirm that combinations of different short motifs characterize in an optimized manner cell type/tissue-specific TrEns. Our study is the first to report combinations of motifs that maximize classification performance of TrEns exclusively transcribed in one cell type/tissue from TrEns exclusively transcribed in different cell types/tissues. Moreover, we also report 31 motif signatures predictive of enhancers’ broad activity. TELS codes and material are publicly available at http://***/TELS.

关键词： Sequence analysis Machine learning Transcription regulation Transcribed enhancer Motif identification