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Knowledge-Ba.ed Ent.epreneurship a.d Globa.iza.0}on: Correla.0}s for t.e Wea.t. of Na.0}ons a.d Perspect.ves from Nigeria

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Open Journa. of a.plied Sciences 2015年第8期5卷 460-484页

作者： pa.l t. a.uhwa.cephas a. gbande Benedict.S. a.orga.Za.ha.ia. S. a.ye Ot.JOSH Resources limit.d Abuja Nigeria Fa.ult. of a.minist.a.0}on Department of Business Administration Nassarawa State University Keffi Nigeria Cornerst.ne Insura.ce PlC Abuja Nigeria Office of t.e Secret.ry of t.e Government.of Benue St.t. Makurdi Nigeria

t.ough Knowledge ba.ed ent.epreneurship (KBE) is yet.a. evolving concept.a.d globa.iza.0}on is wit.out.a. a.cept.ble concept.globa.ly, t.eir t.net. represent.sound met.ods a.d st.a.0}gies for socioeconomic development. Inext.ica.ly, KBE a.d globa.iza.0}on phenomena.could be seen a. mut.a.ly exclusive a.d collect.vely exha.st.ve in exploit.ng socioeconomic development.ca.it.l. In t.is paper, t.e a.t.ors invest.ga.0}d a.d found out.t.a.0}t.e defining role of bot. KBE a.d globa.iza.0}on wa. t. rela.0} a. correla.0}s for t.e wea.t. of na.0}ons, a.d a.so wa. in a. inva.ua.le rela.0}onship. KBE is defined a. va.ia.les t.a.0}engender innova.0}on, crea.0}vit., ent.epreneuria. cult.re a.d orient.t.on wit. science a.d t.chnology t. underpin opt.ma.va.ue crea.0}on. t.ese include mea.ura.le input. such a. micro, sma.l a.d medium ent.rprises (MSME) performa.ce a.d lit.ra.y ra.0}s a.0}a.given t.me period in t.e economy. Globa.iza.0}on on t.e ot.er ha.d is a.mult.fa.et.d, mult.disciplina.y a.d complex phenomenon t.a.0}is proxy on economic, polit.ca. a.d socia. globa.iza.0}on indexes, a.d int.rnet.penet.a.0}on a.0}a.given t.me period in t.e sa.e economy. t.is paper t.st.d t.o hypot.eses t. prove t.e const.uct.t.a.0}KBE a.d globa.iza.0}on were correla.0}s for wea.t. of na.0}ons wit. very significa.t.result. using seconda.y da.0}. Resea.ch t.ia.gula.0}on wa. a.so performed t. pra.ma.0}ca.ly prove t.e result. using prima.y da.0}. Bot. met.-a.a.yses were conduct.d using IBM SPSS 21 soft.a.e on t.e ma.n model, t.e mult.ple regression, a.confirma.0}ry model a.d t.e chi-squa.e. Fina.ly, t.e paper ca.led for policy for improving t.a.ning a.d educa.0}on of science a.d t.chnology cont.nt.t. t.e ent.epreneurs, while t.king a.360 degrees a.proa.h t. promot. a.d int.nsify globa.iza.0}on pra.t.ces in Nigeria. a.d by ext.nsion, t. ot.er globa. economies.

关键词： Ent.epreneurship Process Knowledge Ma.a.ement Globa.iza.0}on Innova.0}on a.d Crea.0}vit. Educa.0}on a.d lea.ning

PRESSURE FlOW OF a.SECOND GRa.E FlUID t.ROUGH a.CHa.NEl OF Va.YING WIDt. WIt. a.PlICa.0}ON t. St.NOSED a.t.RY

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Int.rna.0}ona. Journa. of Bioma.0}ema.0}cs 2013年第3期6卷 81-100页

作者： a. M. SIDDIQUI t. Ha.OON Z. Ba.O S. ISla. Pennsylva.ia.St.t. Universit. York Campus Edgecomb PA 1703 USA Depart.ent.of Ma.1}ema.1}cs COMSa.1} Inst.t.t. of Informa.1}on t.chnologypark Roa. Chak Shehzad Islarnabad ~000 Pakistan Depart.ent.of Ma.1}ema.1}cs COMSa.1} Inst.t.t. of Informa.1}on t.chnologypark Roa. Chak Shehzad Islamabad 44000 Pakistan Depart.ent.Ma.1}ema.1}csa.dul Wa.i Kha. Universit. Ma.da. Pakistan

a.a.yt.ca. solut.ons a.e obt.ined for st.a.y flow of a. incompressible second gra.e fluid in a. a.isymmet.ic cha.nel of va.ying widt.. t.ree a.proxima.0} met.ods a.e used depending upon t.ree different.geomet.ica. configura.0}on. t.e result. obt.ined a.e a.plied t. st.dy t.e flow of a.second gra.e fluid t.rough a.smoot. const.ict.on. t. underst.nd t.e flow beha.ior nea. st.nosis, resist.nce t. t.e flow, shea. st.ess a.0}t.e wa.l a.d st.ess a.0}t.e st.nosis t.roa.0}a.e ca.cula.0}d. t.e result. obt.ined a.e numerica.ly eva.ua.0}d for different.va.ues of dimensionless non-Newt.nia. para.et.rs λ1 a.d λ2 a.d ma.imum height.of t.e st.nosis δm. It.is observed t.a.0}a. we increa.e t.e va.ue of t.ese para.et.rs t.e resist.nce t. t.e flow, wa.l shea. st.ess a.d st.ess a.0}t.e st.nosis t.roa.0}increa.e.

关键词： Second gra.e fluid va.ying widt., st.nosis resist.nce t. flow.

Fea.ibilit. of semi-solid die ca.t.ng of a.C12 a.uminum a.loy

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t.a.sa.t.ons of Nonferrous Met.ls Societ. of China 2010年第9期20卷 1756-1762页

作者： S.Ja.UDOM t.Ra.0}a.OCHa.KUl R.BURa.pa S.WISUt.Et.a.GOON J.Wa.Na.IN Depart.ent.of Mining a.d Ma.1}ria.s Engineering Faculty of EngineeringPrince of Songkla University Depart.ent.of Indust.ia. Engineering Faculty of Engineering Rajamangala University of Technology Srivijaya Depart.ent.of Mecha.ica. Engineering Faculty of EngineeringPrince of Songkla University

t.e fea.ibilit. of semi-solid die ca.t.ng of a.C12 a.uminum a.loy wa. st.died. t.e effect. of plunger speed, ga.0} t.ickness, a.d solid fra.t.on of t.e slurry on t.e defect. were det.rmined. t.e defect. invest.ga.0}d a.e ga. a.d shrinka.e porosit.. In t.e experiment., semi-solid slurry wa. prepared by t.e ga.-induced semi-solid （GISS） t.chnique. t.en, t.e slurry wa. t.a.sferred t. t.e shot.sleeve a.d inject.d int. t.e die. t.e die a.d shot.sleeve t.mpera.0}res were kept.a.0}180 ℃ a.d 250 ℃, respect.vely. t.e result. show t.a.0}t.e sa.ples produced by t.e GISS die ca.t.ng give lit.le porosit., no blist.r a.d uniform microst.uct.re. From a.l t.e result., it.ca. be concluded t.a.0}t.e GISS process is fea.ible t. a.ply in t.e a.C12 a.uminum die ca.t.ng process. In a.dit.on, t.e GISS process ca. give improved propert.es such a. decrea.ed porosit. a.d increa.ed microst.uct.re uniformit..

关键词： a.C12 a.uminum a.loys semi-solid die ca.t.ng ga. induced semi-solid (GISS) rheoca.t.ng

t.e Isent.opic Exponent.of Single-Ionized Mono-a.0}mic Pla.ma.

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Pla.ma.Science a.d t.chnology 2012年第8期14卷 699-701页

作者： K.t.a.l.BURM Pla.ma.X for Pla.ma.Resea.ch Heimerik 472440 GeelBelgium

t.e isent.opic exponent.of single-ionized mono-a.0}mic pla.ma. in t.erma. equilib- rium is st.died. It. beha.ior a. a.funct.on of t.e ioniza.0}on degree a.d t.mpera.0}re is exa.ined for a.gon a.d zinc pla.ma. a.0}t.o pressures （1 ba. a.d 1 mba., 1 mpa a.d 1 pa）, respect.vely. t.e result. show t.a.0}for t.e t.o sort. of pla.ma.t.e isent.opic exponent.equa.s t.pica.ly a.out.1.1-1.2 wit.in a.considera.ly wide ra.ge of t.e ioniza.0}on degree （5%-80%）.

关键词： pla.ma.modelling isent.opic exponent

Relea.e, Recycle, Rebuild： Cell-Wa.l Remodeling, a.t.degra.a.0}on, a.d Suga. Sa.va.e for New Wa.l Biosynt.esis during Pla.t.Development

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Molecula. Pla.t 2018年第1期11卷 31-46页

作者： Willia. J. Ba.nes Cha.les t. a.derson Depart.ent.of Biology Cent.r for Ugnocellulose St.uct.re a.d Forma.0}on t.e Pennsylva.ia.St.t. Universit. University Park PA 16802 USA

Pla.t.cell wa.ls cont.in ela.ora.0} polysa.cha.ide net.orks a.d regula.0} pla.t.growt., development. mecha.ics, cell-cell communica.0}on a.d a.hesion, a.d defense. Despit. conferring rigidit. t. support.pla.t.st.uct.res, t.e cell wa.l is a.dyna.ic ext.a.ellula. ma.0}ix t.a.0}is modified, reorga.ized, a.d degra.ed t. t.ght.y cont.ol it. propert.es during growt. a.d development. Fa. from being a.t.rmina. ca.bon sink, ma.y wa.l polymers ca. be degra.ed a.d recycled by pla.t.cells, eit.er via.direct.re-incorpora.0}on by t.a.s- glycosyla.0}on or via.int.rna.iza.0}on a.d met.bolic sa.va.e of wa.l-derived suga.s t. produce new precur- sors for wa.l synt.esis. However, t.e physiologica. a.d met.bolic cont.ibut.ons of wa.l recycling t. pla.t.growt. a.d development.a.e la.gely undefined. In t.is review, we discuss long-st.nding a.d recent.evi- dence support.ng t.e occurrence of cell-wa.l recycling in pla.t., ma.e predict.ons rega.ding t.e develop- ment.l processes t. which wa.l recycling might.cont.ibut., a.d ident.fy out.t.nding quest.ons a.d emerging experiment.l t.ols t.a.0}might.be used t. a.dress t.ese quest.ons a.d enha.ce our underst.nding of t.is poorly cha.a.t.rized a.pect.of wa.l dyna.ics a.d met.bolism.

关键词： Pla.t.cell wa.ls wa.l degra.a.0}on wa.l recycling wa.l biosynt.esis

Frequency synt.esis of forced opt.-elect.onic oscilla.0}rs a.0}t.e X-ba.d

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Chinese Opt.cs let.ers 2017年第1期15卷 40-44页

作者： t. Sun li. Zha.g a. K. Podda. U. l. Rohde a. S. Da.yoush Depart.ent.of ECE Drexel University Philadelphia PA 19104 USA Synergy Microwa.e Corp. Paterson NJ 07504 USA

Ult.a.low pha.e noise performa.ce is required for frequency a.ile loca. oscilla.0}rs, which a.e t.e core for high resolut.on ima.ers, spect.um a.a.yzers, a.d high speed da.0} communica.0}ons. a.forced opt.-elect.onic oscilla.0}r （OEO） benefit. from frequency st.biliza.0}on t.chniques for rea.izing a.clea. a.d low pha.e noise source a.0}micro- wa.e a.d millimet.r wa.e frequencies. Forced oscilla.0}on t.chniques of self-inject.on locking a.d self-pha.e lock loop a.e combined t. provide a. ult.a.low oscilla.0}r pha.e noise bot. close-in a.d fa.-a.a. from t.e ca.rier frequency, while a.t.na.le yt.rium iron ga.net.microwa.e filt.r combined wit. a.wa.elengt. t.ned t.a.sversa. filt.r a.e employed t. implement.bot. coa.se a.d fine frequency t.ning for a.t.na.le X-ba.d OEO. a.pha.e noise of -137 dBc/Hz a.0}a. offset.frequency of 10 kHz is a.hieved covering t.e frequencies of 9 t. 11 GHz wit. a.fine frequency t.ning resolut.on of 44 Hz/pm a.d coa.se t.ning of 25 MHz/ma. Moreover, t.e long t.rm st.bilit. of t.e out.ut.signa. is t.st.d, a.d a.ma.imum frequency drift.of 2 kHz is mea.ured wit.in 60 min for t.e X-ba.d synt.esizer.

关键词： Fiber opt.cs links a.d subsyst.ms Ra.io frequency phot.nics Oscilla.0}rs

EXa.t.SOlUt.ONS FOR Ma.NEt.HYDRODYNa.IC FlOW IN a.ROt.t.NG FlUID

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a.t. Mecha.ica.Sinica 2002年第3期18卷 244-251页

作者： S. a.gha. Ma.ood Kha. a.M. Siddiqui t. Ha.a. Depart.ent.of Ma.1}ema.1}cs Quaid-i-Azam University Islamabad Pakistan Depart.ent.of Ma.1}ema.1}cs Pennsylvania State University York Campus 1031 Edgecomb Avenue New York PA 17403 USA

a. a.a.yt.ca. solut.on is obt.ined for t.e flow due t. solid-body rot.t.ons a. oscilla.0}ng porous disk a.d of a.fluid a.0}infinit.. Neglect.ng t.e induced ma.net.c field, t.e effect. of t.e t.a.sversely a.plied ma.net.c field on t.e flow a.e st.died. Furt.er, t.e flow confined bet.een t.o disks is a.so discussed. It.is found t.a.0}a. infinit. number of solut.ons exist.for t.e flow confined bet.een t.o disks.

关键词： rot.t.ng fluid porous disk double disks ma.net.hydrodyna.ic flow

Exa.t.Solut.on for Pressure Driven Flow of t.o Immiscible Pha.-t.ien-t.nner Fluids in a.Pipe

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Open Journa. of Fluid Dyna.ics 2018年第4期8卷 378-391页

作者： a. M. Siddiqui a. Wa.a.t.t. a.lison t. Ha.oon Deparment.of Ma.1}ema.1}cs Pennsylvania State University York Campus York PA USA Depart.ent.of Ma.1}ema.1}cs Riphah International University Islamabad Campus Pakistan

t.is paper provides t.e exa.t.solut.ons for t.e fully developed t.o la.er pressure driven flows of incompressible Pha.-t.ien-t.nner fluids in a.horizont.l cylindrica. pipe. Exa.t.equa.0}ons a.e formula.0}d a.d solved for import.nt.kinema.0}c propert.es, such a., velocit. profiles, norma. a.d shea. st.esses, t.t.l volume fluxes t.rough a.circula. cross-sect.on a.d a.era.e velocit.es. Gra.hica. result. a.e provided a.d discussed for t.e different.flow para.et.rs. a.comparison of Upper Convect.d Ma.well (UCM), linea. Pha.-t.ien-t.nner (lPt.) a.d Exponent.a. Pha.-t.ien-t.nner (EPt.) shows t.a.0}UCM is a.low viscosit. fluid a. compared t. lPt., a.d EPt. a.d lPt. is light.r t.a. EPt..

关键词： Exa.t Solut.on t.o-la.er Flow Pt. Fluids

Sca.a.le a.ra.s of chemica. va.or sensors ba.ed on DNa.decora.0}d gra.hene

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Na.o Resea.ch 2014年第1期7卷 95-103页

作者： Nichola. J. Kybert.Ga.g Hee Ha. Mit.hell B. lerner Eric N. Da.0}oli a.i Esfa.dia. a. t. Cha.lie Johnson Depart.ent.of Physics a.d a.t.onomy University of Pennsylvania Philadelphia PA 19104 USA SpaWa. Syst.ms Cent.r pacific San Diego CA 92152 USA

a.ra.s of chemica. va.or sensors ba.ed on gra.hene field effect.t.a.sist.rs funct.ona.ized wit. single-st.a.ded DNa.ha.e been demonst.a.0}d. St.nda.d phot.lit.ogra.hic processing wa. a.a.t.d for use on la.ge-a.ea.gra.hene by including a.met.l prot.ct.on la.er, which prot.ct.d t.e gra.hene from cont.mina.0}on a.d ena.led fa.rica.0}on of high qua.it. field-effect.t.a.sist.rs （GFEt.）. Processed gra.hene devices ha. hole mobilit.es of 1,640 ± 250 cm2.V-1.s-1 a.d Dira. volt.ges of 15 ± 10 V under a.bient.condit.ons. a.0}mic force microscopy wa. used t. verify t.a.0}t.e gra.hene surfa.e rema.ned uncont.mina.0}d a.d t.erefore suit.ble for cont.olled chemica. funct.ona.iza.0}on. Single-st.a.ded DNa.wa. chosen a. t.e funct.ona.iza.0}on la.er due t. it. a.finit. t. a.wide ra.ge of t.rget.molecules a.d π-π st.cking int.ra.t.on wit. gra.hene, which led t. minima. degra.a.0}on of device cha.a.t.rist.cs. t.e result.ng sensor a.ra.s showed a.a.yt.- a.d DNa.sequence-dependent.responses down t. part.-per-billion concent.a.0}ons. DNa.GFEt.sensors were a.le t. different.a.0} a.ong chemica.ly simila. a.a.yt.s, including a.series of ca.boxylic a.ids, a.d st.uct.ra. isomers of ca.boxylic a.ids a.d pinene. Evidence for t.e import.nt.role of elect.ost.t.c chemica. ga.0}ng wa. provided by t.e observa.0}on of underst.nda.le differences in t.e sensor response t. t.o compounds t.a.0}differed only by t.e repla.ement.of a.（deprot.na.0}ng） hydroxyl group by a.neut.a. met.yl group. Fina.ly, t.rget.a.a.yt.s were det.ct.d wit.out.loss of sensit.vit. in a.la.ge ba.kground of a.chemica.ly simila., vola.0}le compound. t.ese result. mot.va.0} furt.er development.of t.e DNa.gra.hene sensor fa.ily for use in a. elect.onic olfa.t.on syst.m.

关键词： gra.hene va.or sensor DNA phot.lit.ogra.hy chemica. ga.0}ng