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a.Fa.ily of Genera.ized Stirling Numbers of the First Kind

a.plied Ma.hema.ics 2014年第10期5卷 1573-1585页

作者： Beih S. el-Desouky nabela a. el-bedwehy a.delfa.ta. Musta.a.Fa.ma.M. a.del Menem Ma.hema.ics Depa.tment Faculty of Science Damietta University Damietta Egypt Ma.hema.ics Depa.tment Faculty of Science Mansoura University Mansoura Egypt

a.modified a.proa.h via.differentia. opera.or is given to derive a.new fa.ily of genera.ized Stirling numbers of the first kind. This a.proa.h gives us a. extension of the techniques given by el-Desouky?[1]?a.d Gould?[2]. Some new combina.oria. identities a.d ma.y rela.ions between different types of Stirling numbers a.e found. Furthermore, some interesting specia. ca.es of the genera.ized Stirling numbers of the first kind a.e deduced. a.so, a.connection between these numbers a.d the genera.ized ha.monic numbers is derived. Fina.ly, some a.plica.ions in coherent sta.es a.d ma.rix representa.ion of some results obta.ned a.e given.

关键词： Stirling Numbers Comtet Numbers Crea.ion a.nihila.ion Differentia. Opera.or Ma.le Progra.

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Forensic toxicologica. study on a.ipocere forma.ion in submerged ca.a.ers of fema.e a.bino ra.s intoxica.ed with ca.mium

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Forensic Sciences Resea.ch 2021年第2期6卷 159-167页

作者： nabela I.el-Sha.ka.y Ya.mina.M.a.d-elha.im a.klech M.a.klech Depa.tment of Forensic Medicine a.d Toxicology Faculty of Veterinary MedicineZagazig UniversityZagazigEgypt

There is a.dea.th of informa.ion on the mutua. intera.tion between meta. intoxica.ion a.d a.ipocere ***,40 a.ult fema.e a.bino ra.s were distributed into two equa. groups,one used a. control while the other ora.ly a.ministered single dose of ca.mium chloride(CdCl_(2))225mg/kg·bw(LD_(min)).Control group wa. killed by cervica. *** of dea. ra.s of both groups were subjected for determina.ion of iodine va.ue a.d estima.ion of ca.mium(Cd)residues while the other ha.f of both groups were submerged in opened gla.s conta.ner previously filled with 4L dechlorina.ed ta. wa.er kept in closed room with a. open a.r a.cess(one ca.a.er/conta.ner).Gross morphologica. cha.ges of submerged ca.a.ers were recorded weekly a.ong the *** the end of the experiment,a.ter 3months,sa.ples were collected a.a.n for iodine va.ue determina.ion a.d estima.ion of Cd *** obta.ned results revea.ed the depressa.t effect of Cd toxicity on development of *** residues were found in different tissues of ca.a.ers a. time of dea.h with the highest a.ount in the intestines followed by the liver a.d kidneys,then lungs,a.ipose tissue,muscles,a.d fina.ly the *** 3months of wa.er submersion,tissues exhibited significa.t decrea.e in the a.ount of Cd residues but to a.limit tha. wa. still *** study concluded the possibility of detection of Cd residues even a.ter a.ipocere ***,it shed light on the possibility of the interference of environmenta. pollution with the na.ura. ra.e of decomposition especia.ly a.ipocere forma.ion.

关键词： Forensic sciences forensic toxicology a.ipocere ca.mium submersion ra.s

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