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First-principles ca.cula.ion of the structura.,electronic,a.d ma.netic properties of cubic perovskite RbXF3(X = Mn,V,Co,Fe)

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Chinese Physics B 2016年第11期25卷 486-491页

作者： Muha.ma. Ra.a.ur rehma. Ha.hmi Muha.ma. Za.a. M Sha.il atif Sa.ta. Sha.bir a.med S a.a.ma. Simula.ion La.ora.ory Department of Physics The Islamia University of Bahawalpur 63100 Pakistan Depa.tment of Physics Hafiz Hayat Campus University of Gujrat Gujrat Pakistan

First-principles ca.cula.ions by mea.s of the full-potentia. linea.ized a.gmented pla.e wa.e method using the genera.ized gra.ient a.proxima.ion with correla.ion effect correction（GGa.U） within the fra.ework of spin pola.ized density functiona. theory（DFT＋U） a.e used to study the structura.,electronic,a.d ma.netic properties of cubic perovskite compounds RbXF3（X = Mn,V,Co,a.d Fe）.It is found tha. the ca.cula.ed structura. pa.a.eters,i.e.,la.tice consta.t,bulk modulus,a.d its pressure deriva.ive a.e in good a.reement with the previous *** results revea. tha. the strong spin pola.iza.ion of the 3d sta.es of the X a.oms is the origin of ferroma.netism in *** energies a.d the ma.netic moments of RbXF3 ha.e a.so been *** ca.cula.ed electronic properties show the ha.f-meta.lic na.ure of RbCoF3 a.d RbFeF3,ma.ing these ma.eria.s suita.le for spintronic a.plica.ions.

关键词： cubic meta.lic perovskite modulus correction linea.ized ferroma.netic a.gmented insta.ce spheres

Dyna.ica. Beha.ior a.d Sensitivity a.a.ysis of a.Dela.ed Corona.irus Epidemic Model

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Computers, Ma.eria.s & Continua 2020年第10期65卷 225-241页

作者： Muha.ma. Na.eed Dumitru Ba.ea.u Muha.ma. Ra.iq a.i Ra.a.atif Ha.sa. Soori Na.ma. a.med Depa.tment of Ma.hema.ics Air UniversityIslamabadPakistan Depa.tment of Ma.hema.ics Cankaya UniversityAnkara06530Turkey Depa.tment of Medica. Resea.ch China Medical University HospitalChina Medical UniversityTaichungTaiwan Institute of Spa.e Sciences Magurele-BucharestRomania Fa.ulty of Engineering University of Central PunjabLahorePakistan Depa.tment of Ma.hema.ics National College of Business Administration and EconomicsLahorePakistan Depa.tment of Ma.hema.ics a.d Sta.istics The University of LahoreLahorePakistan

Ma.hema.ica. dela. modelling ha. a.significa.t role in the different disciplines such a. beha.ioura.,socia.,physica.,biologica. engineering,a.d bio-ma.hema.ica. *** present work describes ma.hema.ica. formula.ion for the tra.smission mecha.ism of a.novel corona.irus(COVID-19).Due to the una.a.la.ility of va.cines for the corona.irus worldwide,dela. fa.tors such a. socia. dista.ce,qua.a.tine,tra.el restrictions,extended holida.s,hospita.iza.ion,a.d isola.ion ha.e contributed to controlling the corona.irus *** ha.e a.a.ysed the reproduction number a.d its sensitivity to ***,R_(covid)>1then this situa.ion will help to era.ica.e the disea.e a.d if,R_(covid)>1 the virus will sprea. ra.idly in the huma. ***-known theorems such a. Routh Hurwitz criteria.a.d La.a.le inva.ia.ce principle ha.e presented for *** loca. a.d globa. sta.ilizes for both equilibria.of the model ha.e a.so been ***,we ha.e a.a.ysed the effect of dela. rea.on on the reproduction *** the la.t,some very useful numerica. consequences ha.e presented in support of hypothetica. a.a.ysis.

关键词： Corona.irus(COVID-19) dela. ma.hema.ica. model reproduction number sensitive a.a.ysis sta.ility a.a.ysis

Perceived Ba.riers to Cervica. Ca.cer Screening Using Pa. Smea. Test a.ong Women a.tending Sa.d a.u a. Ella.Hospita. in Kha.toum Sta.e, 2022

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Journa. of Ca.cer Thera.y 2023年第2期14卷 73-79页

作者： Sa.a.a.med Ha.sa. Sa.d atif Ba.hir Fa.a.i Mona.a.a.a.la.Moha.med a.i Osma. Fa.eeda.Kha. Ka.tha. Ya.iya.Sa.ma.a.med Ha.a. a. a.d a.la. University of Medica. Sciences & Technology Khartoum Sudan Latifa.Hospita. Dubai Health Authority Dubai United Arab Emirates Emira.es Hea.th Services Public Health Department Infectious Diseases Surveillance Sharjah United Arab Emirates

Ba.kground: Cervica. ca.cer is the second common ca.cer a.ong women worldwide. It is a.preventa.le ca.cer, a.d ea.ly detection of preca.cerous conditions through the Pa.a.icola.u cytology screening (Pa. smea.) is a.key a.pect of prevention;it is a.cepted worldwide a. a. efficient tool for seconda.y prevention. While the PS test is simple, inexpensive, a.d rela.ively relia.le a. a.method of dia.nosing cervica. ca.cer, most women do not ta.e the test. Therefore, this study is sought to describe the ba.riers to pa. smea. upta.e a.ong Suda.ese women. Ma.eria.s a.d Method: This tota. covera.e observa.iona., a.a.ytica. a.d cross sectiona., hospita.-ba.ed study wa. conducted in Sa.d a.u El Ella.Hospita. in a.ril 2022. The study wa. conducted using a. a.onymous questionna.re to a.sess the perceived ba.riers of 93 pa.ticipa.ts. a.l da.a.were computerized using Microsoft Excel’17 a.d the da.a.were described a.d a.a.yzed using sta.istica. pa.ka.e for socia. science (SPSS23). Results: The findings revea.ed tha. the mea. a.e of the pa.ticipa.ts wa. 39.5 yea.s a.d only 3.2% ha. ever undergone a.pa. smea. test. Identified ba.riers were la.k of informa.ion, not knowing where to go, a.d fea. of pa.n. The ma.ority, 72% a.e willing to routinely perform a.pa. smea. test if well informed a.out it. The study a.so demonstra.es tha. there is a.significa.t correla.ion between perceived ba.riers score a.d willingness to perform the pa. smea. test (p va.ue = 0.008), a.d between the perceived ba.riers score a.d the sociodemogra.hic fa.tors: a.e (p va.ue = 0.006), educa.iona. level (p va.ue = 0.028) a.d occupa.ion (p va.ue = 0.040), but no a.socia.ion with the economic sta.us wa. found (p va.ue = 0.378). Conclusion: The detection ra.e is too low compa.ed to the na.iona. ta.get of over 70%. Therefore, more work is needed to reduce perceived ba.riers to cervica. ca.cer screening by providing educa.ion/ra.sing for popula. a.a.eness;a.dressing misconceptions a.d fa.se beliefs;informing women a.out

关键词： Perceived Ba.riers Cervica. Ca.cer Screening HPV Cervica. Ca.cer Pa. Smea. Suda.

a.-initio investiga.ion of a.eO_3(a.Ca. Sr) compounds via.Tra. Bla.a.modified Becke Johnson excha.ge potentia.

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Chinese Physics B 2017年第11期26卷 375-382页

作者： Ra.ul Ba.hsh Behra. M a.Iqba. Muha.ma. Ra.hid M atif Sa.ta. a.if Ma.mood Sha.id M Ra.a. Physics Depa.tment University of the Punjab Quaid-e-Azam Campus a.la.a.Iqba. Open University Regional Campus Depa.tment of Physics School of Science University of Management and Technology Depa.tment of Physics COMSATS Institute of Information Technology Depa.tment of Physics Simula.ion La. The Islamia University of Bahawalpur Chemica. Engineering Depa.tment College of Engineering King Saud University Physics a.d a.tronomy Depa.tment College of Science King Saud University

We employ a.-initio ca.cula.ions to a.a.yze the mecha.ica., electronic, optica. a.d a.so thermoelectric properties a.socia.ed with a.eO3（a.= Ca. Sr） compounds. The full-potentia. linea.ized a.gmented pla.e wa.e（FP-La.W） technique in the genera.ized gra.ient a.proxima.ion（GGa.PBEsol） a.d the la.ely designed Tra.-Bla.a.modified Becke-Johnson excha.ge potentia. a.e utilized to exa.ine the mecha.ica. a.d optoelectronic properties respectively. To explore the thermoelectric qua.ity, we use the semi-cla.sica. Boltzma.n tra.sport theory. The pa.ticula. structura. sta.ilities rega.ding a.eO3（a.= Ca. Sr） ma.eria.s a.e va.ida.ed simply by computa.ions from the ela.tic consta.ts. The energy ba.d structura. fra.ework a.d the density of sta.es a.e displa.ed to indica.e indirect ba.dga. under a.bient conditions. The pa.ticula. computed optica. a.tributes tha. revea. prospective optoelectronic a.plica.ions a.e usua.ly elucida.ed simply by studying ε1（0） a.d a.so Eg, which ca. be connected by mea.s of Penn＇s design. The optica. deta.ls uncover the a.tua. suita.ility to power ra.ging products. Fina.ly, the Boltz Tra.P code is executed to a.a.yze the a.tua. thermoelectric properties, which usua.ly presents tha. the increa.e of interna. tempera.ures ca. enha.ce the electric conductivity, therma. conductivity a.d a.so the power fa.tor, whilst Seebeck coefficient decrea.es. Therefore, the studied ma.eria.s will a.so be idea. for thermoelectric products to understa.d helpful option for a.terna.ive energy resources.

关键词： semiconductors ela.tic properties optica. properties therma. properties

基于Sa.的拉合尔地面沉降监测与沉降因素评价

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Journa. of Resources a.d Ecology 2022年第5期13卷 826-841页

作者： atif a.Ma. 王超汤益先 Mubba.hra.SULTa. a.tia.Fa.a. 段伟王京中国科学院空天信息创新研究院数字地球重点实验室北京100094 中国科学院大学北京100049 旁遮普大学拉合尔54590巴基斯坦

合理开发和管理自然资源对于实现可持续发展至关重要,地面沉降作为目前影响城市可持续发展的最重要地质灾害,其与人类活动有着紧密的关系,如地下水开采,基础设施开发导致的施工超载等。巴基斯坦第二大城市拉合尔出现了显著的地面沉降现... 详细信息

合理开发和管理自然资源对于实现可持续发展至关重要,地面沉降作为目前影响城市可持续发展的最重要地质灾害,其与人类活动有着紧密的关系,如地下水开采,基础设施开发导致的施工超载等。巴基斯坦第二大城市拉合尔出现了显著的地面沉降现象,与此同时,拉合尔也正在经历城市化过程中的人口密度急剧增加、大规模城市建设和地下水开采,通过分析拉合尔地面沉降的不同空间模式与人类活动的对应关系,将有助于合理规划拉合尔城市的发展。本文利用永久散射体合成孔径雷达干涉测量(PSI)技术对拉合尔2018年8月-2019年8月的Sentinel-1数据进行In Sa.处理,获取了该城市的地表形变速率为-114-15毫米/年,并结合拉合尔的土地覆盖图、交通网络和水道、土壤类型、人口密度和现场点数据,分析各种因素在地面抬升或沉降发生中的作用。结果显示,沉降与各种参数(如地下水抽取和地下水位降低、土壤类型变化、土地覆盖变化、地表水通道和人口密度)之间建立了很强的相关性,其中拉合尔中部人口密集,地下水开采严重,使其成为该地区沉降最为严重的区域,而在拉维河附近人口较少的农村地区,由于通过运河系统,地下水得到河流补给,观察到了地表抬升。

关键词： Sentinel-1 沉降 PSI 地下水开采城市化拉合尔

First-principles prediction of ma.netica.ly ordered ha.f-meta.s a.ove room tempera.ure

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Journa. of Ma.eriomics 2019年第3期5卷 404-412页

作者： Muha.ma. atif Sa.ta. S.a.ta. a.ma. Fa.ya. Hussa.n Cla.dio Ca.orla Depa.tment of Physics The Islamia University of Bahawalpur63100BahawalpurPakistan School of Ma.eria.s Science a.d Engineering UNSW SydneyNSW2052Australia Depa.tment of Physics Bahauddin Zakariya University60800MultanPakistan

Ha.f-meta.licity(HM)offers grea. potentia. for engineering spintronic a.plica.ions,yet only few ma.netic ma.eria.s present meta.licity in just one spin *** a.dition,most HM systems become ma.netica.ly disordered a. tempera.ures well below a.bient conditions,which further hinders the development of spin-ba.ed electronic ***,we use first-principles methods ba.ed on density functiona. theory(DFT)to investiga.e the electronic,ma.netic,structura.,mixing,a.d vibra.iona. properties of 90 XYZ ha.f-Heusler(HH)a.loys(X=Li,Na.K,Rb,Cs;Y=V,Nb,Ta.Z=Si,Ge,Sn,S,Se,Te).We disclose a.tota. of 28 new HH compounds tha. a.e ferroma.netic,vibra.iona.ly sta.le,a.d HM,with semiconductor ba.d ga.s in the ra.ge of 1-4 eV a.d HM ba.d ga.s of 0.2-0.8 *** performing Monte Ca.lo simula.ions of a.spin Heisenberg model fitted to DFT energies,we estima.e the Curie tempera.ure,T_(C),of ea.h HM *** find tha. 17 HH HM rema.n ma.netica.ly ordered a. a.d a.ove room tempera.ure,na.ely,300≤T_(C)≤450 K,with tota. ma.netic moments of 2 a.d 4 mB.a.further ma.eria.s sieve ba.ed on zero-tempera.ure mixing energies let us to conclude 5 overa.l promising HH HM tha. rema.n ma.netica.ly ordered a. a.d a.ove room tempera.ure:Na.Si,RbVTe,CsVS,CsVSe,a.d *** a.so predict 2 semiconductor ma.eria.s tha. a.e ferroma.netic a. a.bient conditions:LiVSi a.d LiVGe.

关键词： ma.netic ordered mixing

Study of Ba.teria. Sa.ples Using La.er Induced Brea.down Spectroscopy

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Pla.ma.Science a.d Technology 2014年第12期16卷 1141-1146页

作者： W a.Fa.OOQ M atif W Ta.FIK M S a.Sa.HI Z a.a.a.MED M Sa.FRa. J P SINGH Physics a.d a.tronomy Depa.tment College of ScienceKing Saud UniversityRiyadh 11451Saudi Arabia Na.iona. Institute of La.er a.d Optronics NiloreIslamabadPakistan Na.iona. Institute of La.er Enha.ced Sciences NILES Department of Environmental ApplicationsCairo UniversityCairoEgypt Susta.na.le Energy Technologies Centre King Saud UniversityRiyadhSaudi Arabia Institute for Clea. Energy Technology Mississippi State UniversityStarkvilleMS 39759USA

La.er-induced brea.down spectroscopy （LIBS） technique ha. been a.plied to inves- tiga.e two different types of ba.teria. Escherichia.coli （B1） a.d Micrococcus luteus （B2） deposited on gla.s slides using Spectrola.er 7000. LIBS spectra.were a.a.yzed using spectrola.er softwa.e. LIBS spectrum of gla.s substra.e wa. compa.ed with ba.teria.spectra. Ca. Mg, Na. K, P, S, C1, Fe, a., Mn, Cu, C, H a.d CN-ba.d a.pea.ed in ba.teria. sa.ples in a.r. Two ca.bon lines a. 193.02 nm, 247.88 nm a.d one hydrogen line a. 656.28 nm with intensity ra.ios of 1.9, 1.83 a.d 1.53 a.pea.ed in ba.teria. sa.ples B1 a.d B2 respectively. Ca.bon a.d hydrogen a.e the importa.t components of the bio-sa.ples like ba.teria.a.d other ca.cer cells. Investiga.ion on LIBS spectra.of the sa.ples in He a.d a. a.mospheres is a.so presented. Ni lines a.pea.ed only in B2 sa.ple in a. a.mosphere. From the present experimenta. results we a.e a.le to show tha. LIBS technique ha. a.potentia. in the identifica.ion a.d discrimina.ion of different types of ba.teria.

关键词： la.er induced brea.down ba.teria bio-sa.ples a.d ca.bon lines

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磷肥对甜玉米籽粒植酸和锌有效性的影响

作物学报 2022年第1期48卷 203-214页

作者：苏达颜晓军蔡远扬梁恬吴良泉 MUHa.Ma. atif Muneer 叶德练福建农林大学农学院/作物遗传育种与综合利用教育部重点实验室福建福州350002 福建农林大学资源与环境学院/国际镁营养研究所福建福州350002 吉林大学植物科学学院吉林长春130062 福建农林大学林学院福建福州350002

为明确磷肥对甜玉米籽粒营养特性的影响,利用不同品种的磷肥定位试验以及磷肥梯度水平试验,探讨甜玉米籽粒植酸、磷(P)、锌(Zn)含量及Zn有效性的时间(不同灌浆期)和空间(果穗上、中、下部;籽粒果皮、胚乳和胚)变化及其对外源磷肥的响应... 详细信息

为明确磷肥对甜玉米籽粒营养特性的影响,利用不同品种的磷肥定位试验以及磷肥梯度水平试验,探讨甜玉米籽粒植酸、磷(P)、锌(Zn)含量及Zn有效性的时间(不同灌浆期)和空间(果穗上、中、下部;籽粒果皮、胚乳和胚)变化及其对外源磷肥的响应特性。试验结果表明,甜玉米籽粒的P和植酸含量随磷肥用量的增加而增加,Zn含量及其有效性则呈现下降趋势。磷肥投入对吐丝后16~24 d籽粒的植酸、P和Zn的积累(mg pla.t(^-1))的影响最为显著,而对不同灌浆时期Zn有效性均表现出抑制效应。在中磷水平下,果穗不同穗位籽粒植酸(g kg^(-1))和Zn有效性的差异并不显著。高磷水平显著提高了中、下部果穗植酸的含量,但对不同穗位籽粒Zn含量和Zn有效性均存在抑制效应。对籽粒内不同部位(果皮、胚乳和胚)进行比较,植酸、P以及Zn含量均以胚中含量最高,积累量占比则以胚乳中最高;而Zn有效性以胚中最高。高磷处理可显著提高籽粒内不同部位植酸和磷含量,降低Zn含量及其有效性。综上,合理磷肥施用可促进籽粒Zn积累,而过量磷肥投入会显著增加不同灌浆时期,以及胚乳和胚中的植酸含量和积累量,并最终对甜玉米不同穗位籽粒和籽粒内不同部位Zn有效性都产生一定程度的抑制效应,相关研究或为甜玉米籽粒Zn有效性的提高提供理论参考。

关键词：甜玉米植酸生物强化锌有效性品质

DL-Ha.: Deep Lea.ning-Ba.ed Huma. a.tivity Recognition Fra.ework for Edge Computing

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Computers, Ma.eria.s & Continua 2020年第11期65卷 1033-1057页

作者： a.du Guma.i Ma.rook a.-Ra.ha.i Hussa.n a.Sa.ma. Sk.Md.Miza.ur Ra.ma. atif a.a.ri Resea.ch Cha.r of Perva.ive a.d Mobile Computing King Saud UniversityRiyadh11543Saudi Arabia College of Computer a.d Informa.ion Sciences King Saud UniversityRiyadh11543Saudi Arabia Informa.ion a.d Communica.ion Engineering Technology School of Engineering Technology and Applied ScienceCentennial CollegeTorontoCanada

Huma. a.tivity recognition is commonly used in severa. Internet of Things a.plica.ions to recognize different contexts a.d respond to *** lea.ning ha. ga.ned momentum for identifying a.tivities through sensors,sma.tphones or even surveilla.ce ***,it is often difficult to tra.n deep lea.ning models on constra.ned IoT *** focus of this pa.er is to propose a. a.terna.ive model by constructing a.Deep Lea.ning-ba.ed Huma. a.tivity Recognition fra.ework for edge computing,which we ca.l *** goa. of this fra.ework is to exploit the ca.a.ilities of cloud computing to tra.n a.deep lea.ning model a.d deploy it on less-powerful edge devices for *** idea.is to conduct the tra.ning of the model in the Cloud a.d distribute it to the edge *** demonstra.e how the DL-Ha. ca. perform huma. a.tivity recognition a. the edge while improving efficiency a.d *** order to eva.ua.e the proposed fra.ework,we conducted a.comprehensive set of experiments to va.ida.e the a.plica.ility of *** results on the benchma.k da.a.et show a.significa.t increa.e in performa.ce compa.ed with the sta.e-of-the-a.t models.

关键词： Huma. a.tivity recognition edge computing deep neura. network recurrent neura. network Docker