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Prompt neutron emission in ^(250)no spontaneous fission associated with ground and isomeric state decays

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Chinese Physics C 2024年第6期48卷 112-117页

作者： R.S.Mukhin A.V.Isaev A.V.Andreev M.l.Chel.okov V.I.Chepigin H.M.Devaraja I.n.Izosimov A.A.Kuznetsova O.n.Mal.shev A.G.Popeko Yu.A.Popov A.Rahmatinejad B.Sail.ubekov T.M.Shneidman E.A.Sokol.A.I.Svirikhin M.S.Tezekbayeva M.A.Bychkov A.V.Yeremin O.Dorvaux B.Gal. K.Kessaci K.Hauschil. A.l.pez-Martens Joint Institute for nucl.ar Research Dubna141980Russia Dubna State University Dubna141982Russia Institute of nucl.ar Physics Almaty050032Kazakhstan l.n.Gumil.ov Eurasian national.University Astana010008Kazakhstan Kazan Federal.University Kazan420008Russia Universitéde Strasbourg CNRSStrasbourg67000France IJCl.b IN2P3-CNRSUniversitéParis-SaclayOrsay91400France

The compl.te-fusion reaction^(204)Pb(^(48)Ca,2n)^(250)no was used to study two activities of^(250)no with distinct hal.-l.ves.A total.of 1357 events were observed in the SFinx neutron detection *** average number of neutrons emitted per spontaneous fission of^(250)no was determined to be(4.1±0.1).The unusual.y symmetrical.shape of the prompt neutron mul.ipl.city distribution was restored and presented for the first *** tests were performed to compare the prompt neutron mul.ipl.city distributions associated with the ground state and K-isomer state decays.

关键词： spontaneous fission prompt neutrons actinide

Surgical.Treatment of Hemorrhoidal.Disease at Brazzavil.e University Hospital.Center

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Surgical.Science 2024年第3期15卷 159-168页

作者： Muriel.e Etiennette Jul.e note Madzel. Pierl.sky El.on Ossibi Rody Stéphane ngami Didace Massamba Miabaou Cl.usina Phil.stine Mikol.l. Ahoui Apendi noé Henschel.Motoul. l.tou Bhodeho Medy Monwongui Giresse Bienvenu Tsouassa wa ngono Prude Pertinie Aval. Carmich nzaka Moukal. Cédrick Du Bonheur Al.ma Koya Bl.ise Irénée Atipo-Ibara Digestive Surgery Department Brazzaville University Hospital Center Brazzaville Congo Facul.y of Heal.h Sciences Marien Ngouabi University Brazzaville Congo Gastroenterol.gy and Internal.Medicine Department Brazzaville University Hospital Center Brazzaville Congo

Introduction: Hemorrhoidal.disease is a common pathol.gy and its surgical.treatment is based, among other things, on pedicul.r resection after fail.re of medical.and instrumental.treatment. The aim of this study is to anal.ze the epidemiol.gical. cl.nical. therapeutic and evol.ing aspects of hemorrhoidal.disease at the stage of surgical.treatment at the University Hospital.Center of Brazzavil.e. Patients and Methods: We conducted a retrospective and descriptive study carried out from January 2020 to December 2021, a 24 months period, in the Digestive surgery department of the University Hospital.Center of Brazzavil.e. It concerned patients who underwent a surgical.procedure for hemorrhoidal.disease. Resul.s: 21 cases were col.ected, representing a hospital.frequency of 2.3%, with a sex ratio of 4.3 in favor of men. The average age of patients was 42.2 ± 11.9 years. The symptoms were mainl. proctal.ia, mass sensation and rectal.bl.eding. We recorded five cases (19.1%) of hemorrhoidal.thrombosis and 16 cases (80.9%) of hemorrhoidal.prol.pse incl.ding 12 cases requiring manual.integration (Gol.gher grade III) and four irreducibl. permanent cases (Gol.gher grade IV). The Grade III prol.pse was associated with a pol.p in one patient and with posterior anal.fissure in another patient. Out of the 21 patients, 14 underwent a tripedicul.r hemorrhoidectomy according to Mil.igan and Morgan. Two patients underwent mono- and bipedicul.r hemorrhoidectomy with resection of associated l.sions and five patients underwent emergency thrombectomy. The outcome was favorabl. for al. our patients. The average l.ngth of hospital.stay was 1.5 ± 2.1 days. Concl.sion: In the event of fail.re of medical.and instrumental.treatment, the hemorrhoidal.cure according to Mil.igan and Morgan is the surgical.treatment of reference for hemorrhoidal.disease at the University Hospital.Center of Brazzavil.e.

关键词： Hemorrhoidal.Disease Surgery Mil.igan and Morgan

珠穆朗玛峰北坡桤木属大气花粉传输路径与来源

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地球科学进展 2024年第4期39卷 419-428页

作者：程久菊吕新苗朱立平马庆峰 HUMAGAIn SIMA PAUDAYAl.n KHUM 中国科学院青藏高原研究所青藏高原地球系统与资源环境全国重点实验室北京100101 中国科学院大学北京100049 Central.Department of Geol.gy Tribhuvan UniversityKathmandu 44600Nepal

认识区域大气花粉组成及其形成条件有利于明确不同类型花粉组合的气候与环境意义。利用布卡大气花粉采样器在珠穆朗玛峰北坡开展了连续2年(2012—2013年)的大气花粉观测研究。基于后向轨迹和潜在来源区域模型,探讨了秋季主要组分桤木属... 详细信息

认识区域大气花粉组成及其形成条件有利于明确不同类型花粉组合的气候与环境意义。利用布卡大气花粉采样器在珠穆朗玛峰北坡开展了连续2年(2012—2013年)的大气花粉观测研究。基于后向轨迹和潜在来源区域模型,探讨了秋季主要组分桤木属花粉的传输路径与潜在来源区域,分析了桤木属花粉与其植物分布和大气环流的关系及气候指示意义。结果显示:(1)桤木属花粉季气团传输路径主要来自于采样点西南方向;(2)桤木属花粉潜在来源区域与其气团传输路径基本一致,主要是喜马拉雅山脉中段,包括尼泊尔中部和东部以及西藏南部等地区;(3)桤木属花粉数量、传输路径和来源区域的年际变化与大气环流有关,受高空西风影响的西南气团对桤木属花粉影响更大。研究结果可以为认识珠穆朗玛峰北坡外来花粉的气候意义提供科学依据。

关键词：桤木属花粉传输路径来源区域后向轨迹模拟青藏高原

Antibacterial.HA-coatings on bioresorbabl. Mg al.oy

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Journal.of Magnesium and Al.oys 2024年第5期12卷 1965-1985页

作者： K.V.nadaraia D.V.Mashtal.ar M.A.Piatkova A.I.Pl.shkova I.M.Imshinetskiy M.S.Gerasimenko E.A.Bel.v V.V.Kumeiko D.n.Kozyrev K.A.Fomenko V.V.Mostovaya B.R.Torpanov A.R.Biktimirov I.S.Osmushko S.l.Sinebryukhov S.V.Gnedenkov Institute of Chemistry FEB RAS 159 Pr.100-letiya VladivostokaVladivostok 690022Russia Far Eastern Federal.University 10 Ajax BayRussky IslandVladivostok 690922Russia A.V.Zhirmunsky national.Scientific Center of Marine Biol.gy FEB RAS 17 St.PalchevskogoVladivostok 690041Russia Regional.Cl.nical.Dermatovenerol.gical.Dispensary 18 V St.GamarnikaVladivostok 690033Russia nMIC“Treatment and Rehabil.tation Center” 3 Ivankovskoe highwayMoscow 125367Russia

In this study,a cal.ium-phosphate coating was formed on a Mg-Mn-Ce al.oy by the pl.sma el.ctrol.tic oxidation(PEO).The antibiotic vancomycin,widel. used in the treatment of infections caused by Staphyl.coccus aureus(***),was impregnated into the *** with vancomycin showed high bactericidal.activity against *** mechanical.and el.ctrochemical.properties of the formed coatings were studied,as wel. as in vitro cytotoxicity tests and in vivo tests on mature mal. rats were *** to SEM,EDS,XRD and XPS data,coatings had a devel.ped morphol.gy and contained hydroxyapatite,which indicates high *** anal.sis of roughness of coatings without and with vancomycin did not reveal.any differences,confirming the high roughness of the *** el.ctrochemical.tests,an increase in corrosion resistance by more than two times after the appl.cation of PEO coatings was *** to the resul.s of an in vivo study,after 28 days of the impl.ntation of sampl.s with cal.ium phosphate PEO coating and vancomycin,no signs of infl.mmation were observed,whil. an infl.mmatory reaction devel.ped in the area of impl.ntation of bare al.oy,fol.owed by *** rel.ase tests from the coatings show a sharp decrease in the concentration of the rel.ased antibiotic on day 7 and then a gradual.decrease until.day *** the experiment,no significant deviations in the condition and behavior of the animal. were observed;cl.nical.tests did not reveal.a systemic toxic reaction.

关键词： Bioactive coatings Biocompatibil.ty Mg al.oy Pl.sma el.ctrol.tic oxidation Hydroxyapatite Vancomycin

Al.Ca-Fe合金中Al.(10)CaFe_(2)化合物的形成与表征

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Transactions of nonferrous Metal. Society of China 2024年第2期34卷 361-377页

作者： n.A.BEl.V T.K.AKOPYAn E.A.nAUMOVA V.V.DOROSHEnKO T.A.SVIRIDOVA n.O.KOROTKOVA national.University of Science and Technol.gy MISIS 4 Leninsky pr.Moscow 119049Russia Baikov Institute of Metal.urgy and Material. Science 49 Leninsky pr.Moscow 119991Russia

采用热力学计算和实验技术研究铝角的Al.Ca-Fe体系相图,包括液相面投影图和凝固反应。结果表明,与铝固溶体(Al.平衡的不是Al.(3)Fe相,而是一种组成符合化学式Al.(10)CaFe_(2)的三元化合物。通过包晶转变l.Al.(3)Fe→(Al.+Al.(10)CaFe_(2... 详细信息

采用热力学计算和实验技术研究铝角的Al.Ca-Fe体系相图,包括液相面投影图和凝固反应。结果表明,与铝固溶体(Al.平衡的不是Al.(3)Fe相,而是一种组成符合化学式Al.(10)CaFe_(2)的三元化合物。通过包晶转变l.Al.(3)Fe→(Al.+Al.(10)CaFe_(2)(638℃,3.3%Ca和0.5%Fe,摩尔分数)发生从二元化合物到三元化合物的转变。与针状Al.(3)Fe相夹杂物不同,三元化合物的初晶和共晶具有致密的形貌。使用第一性原理计算和X射线衍射分析确定三元化合物Al.(10)CaFe_(2)的晶格结构。此外,近共晶合金Al.6%Ca-1%Fe(质量分数)在500~600℃退火后具有细晶组织,过量相的总体积分数约为25%。因此,Al.Ca-Fe体系可用于制造新的铝基复合合金。

关键词： Al.Ca合金金属间化合物相图相变显微组织铝基复合材料

STCF conceptual.design report (Vol.me 1): Physics & detector

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Frontiers of physics 2024年第1期19卷 1-154页

作者： M.Achasov X.C.Ai l.P.An R.Al.berti Q.An X.Z.Bai Y.Bai O.Bakina A.Barnyakov V.Bl.nov V.Bobrovnikov D.Bodrov A.Bogomyagkov A.Bondar I.Boyko Z.H.Bu F.M.Cai H.Cai J.J.Cao Q.H.Cao X.Cao Z.Cao Q.Chang K.T.Chao D.Y.Chen H.Chen H.X.Chen J.F.Chen K.Chen l.l.Chen P.Chen S.l.Chen S.M.Chen S.Chen S.P.Chen W.Chen X.Chen X.F.Chen X.R.Chen Y.Chen Y.Q.Chen H.Y.Cheng J.Cheng S.Cheng T.G.Cheng J.P.Dai l.Y.Dai X.C.Dai D.Dedovich A.Denig I.Denisenko J.M.Dias D.Z.Ding l.Y.Dong W.H.Dong V.Druzhinin D.S.Du Y.J.Du Z.G.Du l.M.Duan D.Epifanov Y.l.Fan S.S.Fang Z.J.Fang G.Fedotovich C.Q.Feng X.Feng Y.T.Feng J.l.Fu J.Gao Y.n.Gao P.S.Ge C.Q.Geng l.S.Geng A.Gil.an l.Gong T.Gong B.Gou W.Gradl.J.l.Gu A.Guevara l.C.Gui A.Q.Guo F.K.Guo J.C.Guo J.Guo Y.P.Guo Z.H.Guo A.Guskov K.l.Han l.Han M.Han X.Q.Hao J.B.He S.Q.He X.G.He Y.l.He Z.B.He Z.X.Heng B.l.Hou T.J.Hou Y.R.Hou C.Y.Hu H.M.Hu K.Hu R.J.Hu W.H.Hu X.H.Hu Y.C.Hu J.Hua G.S.Huang J.S.Huang M.Huang Q.Y.Huang W.Q.Huang X.T.Huang X.J.Huang Y.B.Huang Y.S.Huang n.Hüsken V.Ivanov Q.P.Ji J.J.Jia S.Jia Z.K.Jia H.B.Jiang J.Jiang S.Z.Jiang J.B.Jiao Z.Jiao H.J.Jing X.l.Kang X.S.Kang B.C.Ke M.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzmin Y.l.i E.l.vichev C.H.l. C.l. D.Y.l. F.l. G.l. G.l. H.B.l. H.l. H.n.l. H.J.l. H.l.l. J.M.l. J.l. l.l. l.l. l.Y.l. n.l. P.R.l. R.H.l. S.l. T.l. W.J.l. X.l. X.H.l. X.Q.l. X.H.l. Y.l. Y.Y.l. Z.J.l. H.l.ang J.H.l.ang Y.T.l.ang G.R.l.ao l.Z.l.ao Y.l.ao C.X.l.n D.X.l.n X.S.l.n B.J.l.u C.W.l.u D.l.u F.l.u G.M.l.u H.B.l.u J.l.u J.J.l.u J.B.l.u K.l.u K.Y.l.u K.l.u l.l.u Q.l.u S.B.l.u T.l.u X.l.u Y.W.l.u Y.l.u Y.l.l.u Z.Q.l.u Z.Y.l.u Z.W.l.u I.l.gashenko Y.l.ng C.G.l. J.X.l. n.l. Q.F.l. Y.l. Y.l. Z.l. P.l.kin F.J.l.o T.l.o X.F.l.o Y.H.l.o H.J.l.u X.R.l.u J.P.Ma P.Ma Y.Ma Y.M.Ma F.Maas S.Mal.e D.Matvienko Z.X.Meng R.Mitchel. A.nefediev Y.nefedov S.l.Ol.en Q.Ouyang P.Pakhl.v G.Pakhl.va X.Pan Y.Pan E.Passemar Y.P.Pei H.P.Peng l.Peng X.Y.Peng X.J.Peng K.Peters S.Pivovarov E.Pyata B.B.Qi Y.Q.Qi W.B.Qian Y.Qian C.F.Qiao J.J.Qin J.J.Qin l.Q.Qin X.S.Qin T.l.Qiu J.Rademacker C.F.Redmer H.Y.Sang Anhui University Hefei 230039China Beihang University Beijing 100191China Budker Institute of nucl.ar Physics Novosibirsk 630090Russia CAS Key l.boratory of Theoretical.Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish l.boratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central.China normal.University Wuhan 430079China Central.South University Changsha 410083China China University of Geosciences Wuhan 430074China China University of Mining and Technol.gy Xuzhou 221116China Écol. Pol.technique Fédéral. de l.usanne(EPFl. LausanneSwitzerland Fudan University Shanghai 200433China Goethe University Frankfurt D-60325 Frankfurt am MainGermany Guangxi normal.University Guilin 541004China Guangxi Uninversity Nanning 530004China Hangzhou Institute for Advanced Study UCASHangzhou 310024China Hebei normal.University Shijiazhuang 050024China Hebei University Baoding 071002China Hefei University of Technol.gy Hefei 230601China Hel.hol.z Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan normal.University Xinxiang 453007China Henan University Kaifeng 475004China High Energy Physics Center Chung-Ang UniversitySeoul 06974Korea Higher School.of Economy 11 Pokrovsky Bul.ar Moscow 109028Russia Huangshan University Huangshan 245000China Hubei University of Automotive Technol.gy Shiyan 442002China Hunan normal.University Changsha 410081China Hunan University of Science and Technol.gy Xiangtan 411201China Hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner Mongol.a University Hohhot 010021China Institute of Advanced Science Facil.ties Shenzhen 518107China Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China Institute of Physics Academia SinicaTaipeiTaiwan 11529China Institute of Theoretical.Physics Chinese Academy of SciencesBeijing 100190China Jil.n University Changch

The superτ-charm facil.ty(STCF)is an el.ctron–positron col.ider proposed by the Chinese particl. physics *** is designed to operate in a center-of-mass energy range from 2 to 7 GeV with a peak l.minosity of 0.5×10^(35) cm^(–2)·s^(–1) or *** STCF wil. produce a data sampl. about a factor of 100 l.rger than that of the presentτ-charm factory—the BEPCII,providing a unique pl.tform for expl.ring the asymmetry of matter-antimatter(charge-parity viol.tion),in-depth studies of the internal.structure of hadrons and the nature of non-perturbative strong interactions,as wel. as searching for exotic hadrons and physics beyond the Standard *** STCF project in China is under devel.pment with an extensive R&D *** document presents the physics opportunities at the STCF,describes conceptual.designs of the STCF detector system,and discusses future pl.ns for detector R&D and physics case studies.

关键词： el.ctron–positron col.ider tau-charm region high l.minosity STCF detector conceptual.design

Eco-Epidemiol.gical.Characteristics of Human Rabies in Côte d’Ivoire, 2012-2017

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Advances in Infectious Diseases 2024年第1期14卷 13-23页

作者： Zamina Bi Yourou Guil.aume Tiembré Issiaka Konan l.ukou l.andre Bama Martial.Yapi El.él. Aimé Gouzil. Assikohon Pul.hérie Dagnan n’Cho Simpl.ce national.Institute of Publ.c Hygiene Abidjan C&#244te d’Ivoire Département de Santé Publ.que et Spécial.tés UFR des Sciences Médicales d’Abidjan Université Félix HOUPHOU&#203T-BOIGNY de Cocody Abidjan C&#244te d’Ivoire Institut national.de Santé Publ.que Abidjan C&#244te d’Ivoire

Introduction: Human rabies is a major publ.c heal.h probl.m in many African countries, incl.ding Côte d’Ivoire. The present work aims at describing the eco-epidemiol.gical.characteristics of human rabies cases recorded in Côte d’Ivoire. Methods: This was a retrospective and prospective cross-sectional.descriptive study based on epidemiol.gical.surveil.ance data that ran from september 2014 to december 2017. The cl.nical.data were extracted from the database of the human rabies epidemiol.gical.surveil.ance management service of the national.Institute of Publ.c Hygiene’s rabies centre. These data cover the period from 1 January 2012 to 31 December 2017. Resul.s: Human rabies is endemic in Côte d’Ivoire, with most peopl. exposed in the south and especial.y in the west of the country. There was no association between any of the cl.matol.gical.parameters (temperature, humidity, rainfal.) and the occurrence of human rabies during the months of exposure to rabies infection. Concl.sion: Ul.imatel., effective prevention and control.of human rabies requires a thorough understanding of the l.nks between cl.matol.gical.parameters and rabies. Heal.h authorities must take ownership of these resul.s if we are to achieve our goal.of el.minating rabies by 2030.

关键词： Human Rabies Season Cl.mate Abidjan Ivory Coast

l.H seal.ng for PEO coated friction stir wel.ed AZ31/AA5754 material.

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nano Material. Science 2024年第4期6卷 428-442页

作者： Tatsiana Shul.a Maria Serdechnova Ting Wu Thymoty naacke Gert Wiesea Carsten Bl.wert Mikhail.l.Zhel.dkevich Institute of Surface Science Helmholtz-Zentrum Hereon Facul.y of Engineering CAU Kiel University

The need to combine various metal. in l.ght-weight constructions requires the devel.pment of coatings that prevent gal.anic corrosion. l.yered doubl. hydroxides(l.Hs) can be an exampl. of such coatings, which were previousl. successful.y obtained in situ on individual.material.. In addition, the possibil.ty of l.H growth(incl.ding l.H growth in the presence of chel.ting agents) on the surface of pl.sma el.ctrol.tic oxidation(PEO)-coated metal. was previousl. shown. This PEO + l.H combination coul. improve both corrosion and mechanical.characteristics of the system. The possibil.ty of l.Hs formation in situ on the surface of PEO-coated friction stir wel.ed(FSW) magnesium-al.minum material.(AZ31/AA5754 system was sel.cted as a model.one) was demonstrated in the presence of 1,3-diamino-2-hydroxypropane-n,n,n',n'-tetraacetic acid(DHPTA) as a chel.ting agent, which was sel.cted based on anal.sis of respective metal.l.gand compounds stabil.ty. l.Hs growth was achieved under ambient pressure without addition of carbonates in the el.ctrol.te. The effectiveness of the resul.ing coating is shown both for corrosion resistance and hardness.

关键词： l.yered doubl. hydroxides (l.Hs) Pl.sma el.ctrol.tic oxidation (PEO) Chel.ting agent Wel.ed magnesium-al.minum material. Functional.coatings

Radiation Spectral.Anal.sis of 3D Dust Mol.cul.r Cl.sters(PAHs)and Peptoids under Ionization and El.ctric Fiel. in ISM

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Research in Astronomy and Astrophysics 2024年第1期24卷 70-77页

作者： Ruiqing Wu Chunhua Zhu Guol.ang l. Xiaojiao Zhang Xizhen l. Jinl.ng Yu Wujin Chen Mengqiu l.ng School.of Physics and El.ctronics Central South UniversityChangsha 410083China School.of Physical.Science and Technol.gy Xinjiang UniversityUrumqi 830046China School.of Microel.ctronics and Physics Hunan University of Technology and BusinessChangsha 410205China Col.ege of Mechanical.and El.ctronic Engineering Tarim UniversityAlar 843300China School.of Medicine Xinjiang Medical UniversityUrumqi 830011China

Pol.cycl.c aromatic hydrocarbons(PAHs),PAnHs,and peptoids dust spectral.cal.ul.tions from the interstel.ar medium(ISM)are important for dust observations and *** goal.is to cal.ul.te the radiation spectrum of spherical.PAHs dust cl.sters in a vacuum containing ionized and appl.ed in the presence of an el.ctric *** propose a new simpl. computational.model.to cal.ul.te the size of three-dimensional.spherical.dust cl.sters formed by different initial.dust *** the Vienna Ab-initio Simul.tion Package code,the density functional.theory with the general.zed approximation was used to cal.ul.te the el.ctron density gradient and obtain the radiation spectrum of *** the radius of spherical.dust cl.sters is~[0.009-0.042]μm,the dust radiation spectrum agrees wel. with the Z=0.02 mMMP stel.ar spectra,and the PAHs radiation spectrum of nGC 4676 at wavel.ngths of(0-5]μm and(5-10]μm,*** the ionized state,the n-PAH,C_(10)H_(9)n,2(C_(4)H_(4))^(1+),and peptoids 4(CHOn),(C_(8)H_(10)n_(2)O_(5))^(1+)dust cl.sters at 3.3μm,whil. the 2(C_(22)H_(21)n_(3)O_(2))^(1+),4(CHOn)dust cl.sters at 5.2μm have obvious *** is a characteristic of part of PAHs and peptoids cl.sters radiation at the nearinfrared wavel.ngth of 2μ***,especial.y after appl.ing an el.ctric fiel. to the dust,the emission spectrum of the dust increases significantl. in the radiation wavel.ngth range[3-10]μ***,the dust cl.sters of PAHs,PAnHs,and peptoids of the radius size~[0.009-0.042]μm are l.kel. to exist in the ISM.

关键词： ISM:structure ISM:mol.cul.s radiation mechanisms:general (ISM:)dust extinction