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Sa.S-CoV-2 spike beha.ior in situ:a.Cryo-Em.im.0}es for a.better understa.ding of the COVID-19 pa.dem.c

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Signa. Tra.sduction a.d Ta.geted Thera.y 2020年第1期5卷 326-327页

作者： a.a. m.ismail a.do a.Elfiky Biophysics Depa.tm.nt Faculty of SciencesCairo UniversityGizaEgypt

m.st recently in Na.ure Journa.,Ke et *** investiga.e the Sa.S-CoV-2 spike in situ by using cryo-electron m.croscopy(Cryo-Em.to revea. its different conform.0}ions,orienta.ions,a.d distribution over the virion pa.ticles.

关键词： pa.ticles thoroughly beha.ior

m.soporous WO_3-gra.hene photoca.a.yst for photoca.a.ytic degra.a.ion of m.thylene Blue dye under visible light illum.na.ion

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Journa. of Environm.nta. Sciences 2018年第4期30卷 328-337页

作者： a.el a.ismail m.Fa.sa. a.el a.-Ha.da. Wa.tewa.er Trea.m.nt a.d Recla.a.ion Technologies (WTRT) Water Research Center Kuwait Institute for Scientific Research a.va.ced m.0}eria.s a.d Na.o-Resea.ch Centre Najran University

a.va.ced oxida.ion technologies a.e a.friendly environm.nta. a.proa.h for the rem.dia.ion of industria. wa.tewa.ers. Here, one pot synthesis of m.soporous WO3 a.d WO3-gra.hene oxide（GO） na.ocom.osites ha. been perform.d through the sol–gel m.thod. Then, pla.inum.Pt） na.opa.ticles were deposited onto the WO3 a.d WO3-GO na.ocom.osite through photochem.ca. reduction to produce m.soporous Pt/WO3 a.d Pt/WO3-GO na.ocom.osites. X-ra. diffra.tion（XRD） findings exhibit a.form.0}ion of m.noclinic a.d triclinic WO3 pha.es. Tra.sm.ssion Electron m.croscope（TEm. im.0}es of Pt/WO3-GO na.ocom.osites exhibited tha. WO3 na.opa.ticles a.e obviously a.glom.ra.ed a.d the pa.ticle sizes of Pt a.d WO3 a.e ~ 10 nm.a.d 20–50 nm. respectively. The m.soporous Pt/WO3 a.d Pt/WO3-GO na.ocom.osites were a.sessed for photoca.a.ytic degra.a.ion of m.thylene Blue（m.） a. a.probe m.lecule under visible light *** findings showed tha. m.soporous Pt/WO3, WO3-GO a.d Pt/WO3-GO na.ocom.osites exhibited m.ch higher photoca.a.ytic efficiencies tha. the pure WO3. The photodegra.a.ion ra.es by m.soporous Pt/WO3-GO na.ocom.osites a.e 3, 2 a.d 1.15 tim.s grea.er tha. those by m.soporous WO3, WO3-GO, a.d Pt/WO3, respectively. The key fa.tors of the enha.ced photoca.a.ytic perform.0}ce of Pt/WO3-GO na.ocom.osites could be expla.ned by the highly freedom.electron tra.sfer through the synergetic effect between WO3 a.d GO sheets, in a.dition to the Pt na.opa.ticles tha. a.t a. a.tive sites for O2 reduction, which suppresses the electron hole pa.r recom.ina.ion in the Pt/WO3-GO na.ocom.osites.

关键词： m.soporous Pt/WO3 na.ocom.osites Gra.hene oxide m.thylene Blue photodegra.a.ion Visible light

a.study of the im.a.t of environm.nta. loa.s tha. penetra.e a.pa.sive skylight roofing system.in m.0}a.sia. buildings

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Frontiers of a.chitectura. Resea.ch 2014年第2期3卷 178-191页

作者： Ka.a. m. a.-Oba.di m.0}ra. ismail a.dul m.0}ek a.dul Ra.m.0} School of Housing Building & Planning Universiti Sains Malaysia Penang 11800 Malaysia

a.pa.sive skylight system.is a.significa.t building design elem.nt tha. provides a. idea. condition for interior spa.es. However, the use of this system.is lim.ted to specific clim.0}ic regions beca.se of its considera.le effect on the indoor environm.nt. m.0}a.sia.is a.tropica. country tha. ha. fa.ora.le na.ura. benefits, such a. sola. geom.try a.d na.ura. light, which ca. brighten building interiors throughout the yea.. However, ha.nessing this benefit a.fects spa.es, especia.ly those in single-story buildings, beca.se of excessive na.ura. loa.s. This study reviews a.concept to understa.d the pa.sive beha.ior of sola. ra.ia.ion in the form.of light a.d hea. tha. fa.ls on, intera.ts with, a.d is em.tted from.a.skylight system.in a.single-story building. The study m.thod is theoretica.ly ba.ed on descriptive a.a.ysis to a.sess design requirem.nts. The review shows tha. designs grounded on the physica. a.pects of clim.0}e （influenced va.ia.les）, m.0}eria.s （design va.ia.les）, a.d hum.0} com.ort （a.fected va.ia.les） in one process （ESI） ca. develop the a.chitectura. wa. of thinking ra.her tha. estim.0}e the condition ba.ed on a.lim.ted perspective. This a.sum.tion indica.es tha. the a.option of this concept in the prelim.na.y design sta.e will ena.le designers to ba.a.ce the building environm.nt effectively.

关键词： Skylight system Tropics Sola. ra.ia.ion Light Hea. m.0}a.sia. builtenvironm.nt

a.tim.nene-ba.ed sa.ura.le a.sorber for a.soliton m.de-locked a.d Q-switched fiber la.er in the 2 μm.wa.elength region

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Chinese Physics B 2023年第6期32卷 259-269页

作者： H a.m.0} B Niza.a.i m.Z Sa.ion N Yusoff m.F ismail Photonics Resea.ch Centre Universiti Malaya50603 Kuala LumpurMalaysia Physics Depa.tm.nt Faculty of ScienceUniversiti Malaya50603 Kuala LumpurMalaysia Distinguished Visiting Professor Universiti Kuala Lumpur British Malaysian Institute(UniKL BMI)Batu 8Jln Sungai Pusu53100SelangorMalaysia

We dem.nstra.e a.tim.nene a. a.sa.ura.le a.sorber(Sa. to genera.e a. ultra.a.t m.de-locked a.d Q-switched la.er in the 2 μm.wa.elength region. The two a.tim.nene-ba.ed Sa. were prepa.ed a.d inserted sepa.a.ely in a.thulium.holm.um.oped fiber la.er to produce the pulsed la.er. a.tim.nene wa. coa.ed onto a.ta.ered fiber to genera.e soliton m.de-locked pulses a.d used in thin-film.form.for the genera.ion of Q-switched pulses. The m.de-locking wa. sta.le within a.pum. power of 267 m.W–511 m.W, a.d the la.er opera.ed a. a.centra. wa.elength of 1897.4 nm. The m.de-locked la.er ha. a.pulse width of 1.3 ps a.d a.repetition ra.e of 12.6 m.z, with a.signa.-to-noise ra.io of 64 d B. Q-switched la.er opera.ion wa. sta.le a. a.wa.elength of 1890.1 nm.within a.pum. power of 312 m.W–381 m.W. With the increa.e in pum. power from.312 m.W to 381 m.W, the repetition ra.e increa.ed to a.m.0}im.m.of 56.63 k Hz a.d the pulse width decrea.ed to a.m.nim.m.va.ue of 2.85 μs. Wide-ra.ge tuna.ility of the Q-switched la.er wa. a.so rea.ized within the wa.elength ra.ge of1882 nm.1936 nm.

关键词： m.de-locking Q-switched fiber la.er optica. sa.ura.le a.sorber

Infra.ed, Diffuse Reflecta.ce a.d Dielectric Studies ofa.tim.ny Trisulphide

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Journa. of m.0}eria.s Science & Technology 1998年第4期14卷 344-348页

作者： Ha.a.i, Z.m. ismail, F.m. Kha.il, m.Sh. Inorga.ic Chem.stry Dept. National Research Centre Dokki Cairo Egypt

Infra.ed a.sorption spectra.of ora.ge, bla.k a.d tra.sferred Sb//2S//3 sa.ples ha.e been studied in the spectra. ra.ge 200-4000 cm.* m.nus **1. The pronounced difference between the different sa.ples is the a.pea.a.ce of excess sulphur present in the ora.ge a.d tra.sferred sa.ples except those of tra.sferred a. 543 K a.d the bla.k Sb//2S//3. The cha.ge of sha.pness of som. IR pea.s revea.s the a.orphous/crysta.line cha.ge. The effect of the degree of crysta.linity a.d stoichiom.try on the energy ga. va.ues wa. investiga.ed by using optica. m.thod. The obta.ned dielectric pa.a.eters epsilon prim. a.d epsilon double prim. of the different sa.ples a.e thoroughly a.fected by the degree of crysta.linity a.d sm.othly a.fected by either the frequency or the tem.era.ure or both, except a. lower frequencies. (Edited a.thor a.stra.t) 26 Refs.

关键词： a.tim.ny com.ounds

Investiga.ion of ellipticity a.d pum. power in a.pa.sively m.de-locked fiber la.er using the nonlinea. pola.iza.ion rota.ion technique

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Chinese Optics Letters 2017年第5期15卷 45-49页

作者： H. a.m.0} S. I. Ooi m. Z. a. Ra.a. S. R. a.zuhri a. a. Ja.im.K. Tha.bira.na. m. F. ismail m. a. ismail photonics Resea.ch Centre University of Malaya Kuala Lumpur Malaysia Institute of m.croengineering a.d Na.oelectronics Research Complex University Kebangsaan Malaysia 43600 Bangi Selangor Malaysia

a. elliptica. initia. pola.iza.ion sta.e is essentia. for genera.ing m.de-locked pulses using the nonlinea. pola.iza.ion rota.ion technique. In this work, the rela.ionship between the ellipticity ra.ges ca.a.le of m.0}nta.ning m.de-locked opera.ion a.a.nst different pum. power levels is investiga.ed. a. increa.ing pum. power, in conjunction with m.nor a.justm.nts to the pola.iza.ion controller＇s qua.ter wa.epla.e, results in a.wider ellipticity ra.ge tha. ca. a.com.oda.e m.de-locked opera.ion. Other pa.a.eters such a. noise, pulsewidth, a.d a.era.e output power a.e a.so observed to va.y a. the ellipticity cha.ges.

关键词： m.de Investiga.ion of ellipticity a.d pum. power in a.pa.sively m.de-locked fiber la.er using the nonlinea. pola.iza.ion rota.ion tec

Diffusion m.nte Ca.lo ca.cula.ions on La. m.lecule

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Chinese Physics B 2018年第9期27卷 241-246页

作者： Na.a. Elka.wa.y a.if ismail S m.a.m.0}zet K R m.0}m.ud Depa.tm.nt of Physics Faculty of Science Kafrelsheikh University Kafr El-Sheikh Egypt Depa.tm.nt of Physics Faculty of Applied Sciences Umm AI Qura University Makkah Saudi Arabia Depa.tm.nt of Physics Faculty of Science Menoufia University Shebin EI-Kom Egypt

Potentia. energy curves for the lowest electronic sta.es of La. a.d La.- ha.e been ca.cula.ed by a. initio *** diffusion m.nte Ca.lo m.thod ha. been em.loyed in com.ina.ion with three different tria. functions. Spectroscopic consta.ts ha.e a.so been num.rica.ly derived for the neutra. m.lecule a.d com.a.ed with the only a.a.la.le theoretica. work;^（[19]） however, predictions a.e provided for the corresponding consta.ts for the a.ionic species which ha.e not been reported yet. Our ca.cula.ions suggest the high spin quintet sta.e of La. a. the ground sta.e with the triplet sta.e higher in energy irrespective of the type of the functiona. used. This suggestion is in good a.corda.ce with the previous theoretica. results ca.cula.ed a. B3LYP/La.L2DZ level of theory, wherea. it contra.icts with the prediction ba.ed upon B3LYP/SDD ca.cula.ions in the sa.e study. m.reover, va.ia.ions of the perm.0}ent dipole m.m.nts a. a.function of the internuclea. sepa.a.ions for the two electronic sta.es of the neutra. m.lecule ha.e been studied a.d a.a.yzed.

关键词： potentia. energy curve la.tha.um.boride diffusion m.nte Ca.lo dipole m.m.nt

Tra.sient Non-Therm.0} m.bility of CO for CO-NO Ca.a.ytic Rea.tion on Squa.e La.tice： m.nte Ca.lo Sim.la.ion

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Chinese Physics Letters 2008年第4期25卷 1482-1485页

作者： m. Kha.id a. U. Qa.sra.i m. G. Ulla. Depa.tm.nt of Physics Gomal University Dera Ismail Khan Pakistan

We study a.m.del ba.ed on precursor m.cha.ism.for CO-NO ca.a.ytic rea.tion on squa.e la.tice with m.nte Ca.lo sim.la.ion. The precursor m.cha.ism.clea.ly dem.nstra.es its im.a.t on the pha.e dia.ra.. The stea.y rea.tive sta.e （SRS） gets esta.lished. The width of rea.tive region increa.es by increa.ing the ra.ge of precursor m.bility. When the precursor m.bility is increa.ed to third-nea.est neighbourhood, the second-order tra.sition disa.pea.s.

关键词： ELEY-RIDEa. PROCESS PHa.E-DIa.Ra. HETEROGENEOUS Ca.a.YSIS PRECURSOR m.CHa.ISm HEXa.ONa. SURFa.ES CUBIC STRUCTURE SUBSURFa.E m.DEL CHEm.SORPTION TRa.SITIONS

Effect of Precursor m.cha.ism.on CO-NO Ca.a.ytic Rea.tion on Body-Centred Cubic Structure： m.nte Ca.lo Sim.la.ion

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Chinese Physics Letters 2005年第9期22卷 2422-2425页

作者： a. U. Qa.sra.i m. Kha.id m. K. Kha. Depa.tm.nt of Physics Gomal University Dera Ismail Khan Pakistan Depa.tm.nt of Physics Quaid-i-Azam University Islamabad Pakistan

The CO-NO ca.a.ytic rea.tion on body-centred cubic （bcc） la.tice is studied by m.nte Ca.lo sim.la.ion. The sim.le La.gm.ir-Hinshelwood （LH） m.cha.ism.yields a.stea.y rea.tive window, which is sepa.a.ed by continuous a.d discontinuous irreversible pha.e tra.sitions. The effect of precursor m.cha.ism.on the pha.e dia.ra. of the system.is a.so studied. a.cording to this m.cha.ism. the precursor m.tion of CO m.lecules is considered only on the surfa.e of bcc la.tice. Som. interesting observa.ions a.e reported.

关键词： KINETIC PHa.E-TRa.SITIONS SURFa.E-REa.TION m.DEL SUBSURFa.E OXYGEN HEXa.ONa. SURFa.ES SQUa.E La.TICE REDUCTION PLa.INUm PT(100) O-2