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Industria. Fusion Ca.ca.e Detection of Solder Joint

Comp.ters, Ma.eria.s a.d Continua 2024年第1期81卷 1197-1214页

作者： Li C. Zha.g p. Wa.g S. Liu L. Shi M. Chongqing School University of Chinese Academy of Sciences Chongqing University Chongqing 400044 China a.toma.ic Rea.oning a.d Cognition Resea.ch Center Chongqing Institute ofGreen and Intelligent Technology Chinese Academy of Sciences Chongqing 400714 China College of a.tificia. Intelligence Chongqing School University of Chinese Academy of Sciences Chongqing 400714 China Design Dep.rtment Liuzhou Fuzhen Bodywork Industrial Co. Ltd. Liuzhou 545006 China

With the rema.ka.le a.va.cements in ma.hine vision resea.ch a.d its ever-exp.nding a.0}lica.ions, schola.s ha.e increa.ingly focused on ha.nessing va.ious vision methodologieswithin the industria. rea.m. Sp.cifica.ly, detecting vehicle floor welding p.ints p.ses unique cha.lenges, including high op.ra.iona. costs a.d limited p.rta.ility in p.a.tica. settings. To a.dress these cha.lenges, this p.p.r innova.ively integra.es temp.a.e ma.ching a.d the Fa.ter RCNN a.gorithm, p.esenting a. industria. fusion ca.ca.ed solder joint detection a.gorithm tha. sea.lessly blends temp.a.e ma.ching with deep.lea.ning techniques. This a.gorithm meticulously weights a.d fuses the op.imized fea.ures of both methodologies, enha.cing the overa.l detection ca.0}bilities. Furthermore, it introduces a. op.imized multi-sca.e a.d multi-temp.a.e ma.ching a.0}roa.h, levera.ing a.diverse a.ra. of temp.a.es a.d ima.e p.ra.id a.gorithms to bolster the a.cura.y a.d resilience of object detection. By integra.ing deep.lea.ning a.gorithms with this multi-sca.e a.d multi-temp.a.e ma.ching stra.egy, the ca.ca.ed ta.get ma.ching a.gorithm effectively a.cura.ely identifies solder joint typ.s a.d p.sitions. a.comp.ehensive welding p.int da.a.et, la.eled by exp.rts sp.cifica.ly for vehicle detection, wa. constructed ba.ed on ima.es from a.thentic industria. environments to va.ida.e the a.gorithm's p.rforma.ce. Exp.riments demonstra.e the a.gorithm's comp.lling p.rforma.ce in industria. scena.ios, outp.rforming the single-temp.a.e ma.ching a.gorithm by 21.3%, the multi-sca.e a.d multitemp.a.e ma.ching a.gorithm by 3.4%, the Fa.ter RCNN a.gorithm by 19.7%, a.d the YOLOv9 a.gorithm by 17.3% in terms of solder joint detection a.cura.y. This op.imized a.gorithm exhibits rema.ka.le robustness a.d p.rta.ility, idea.ly suited for detecting solder joints a.ross diverse vehicle workp.eces. Nota.ly, this study's da.a.et a.d fea.ure fusion a.0}roa.h ca. be a.va.ua.le resource for other a.gorithms seeking to enha.ce their

关键词： Ca.ca.e object detection deep.lea.ning fea.ure fusion multi-sca.e a.d multi-temp.a.e ma.ching solder joint da.a.et

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Ce-a.d La.dop.d p.lymeta.lic la.ered double hydroxides for enha.ced oxygen evolution rea.tion p.rforma.ce a. high current density

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Science China.Chemistry 2024年第8期67卷 2586-2598页

作者： Rinel R.Kima.a.p. p.ng Wa.g Mia. He Senya. Meng Jia.a. Ya. Hua.ei Li Cheng Ya.g Zhenxing Li Sta.e Key La.ora.ory of Hea.y Oil p.ocessing College of New Energy and MaterialsChina University of Petroleum(Beijing)Beijing 102249China

p.lymeta.lic la.ered double hydroxides a.e p.omising cost-effective ca.a.ysts for the oxygen evolution rea.tion(OER) due to their versa.ile a.ionic a.d ca.ionic tuna.ility. Nevertheless, severa. cha.lenges p.rsist, nota.ly, issues rela.ed to low electrica. conductivity, p.or ca.a.ytic a.tivity, a.d sta.ility, esp.cia.ly a. high current density. Herein, we rep.rt the design of Ce-a.d La.op.d Co Ni Fe-la.ered double hydroxide(Ce La.Co Ni Fe-LDH) na.osheets through a.fa.ile a.d sca.a.le in situ self-a.sembly stra.egy tha. disp.a.s enha.ced OER a.tivity. Exp.rimenta. a.d theoretica. investiga.ions p.ovide insights into the imp.ct of Cea.d La.dop.ng by comp.ring Ce Co Ni Fe-LDH, La.Co Ni Fe-LDH, a.d p.istine Co Ni Fe-LDH, a.l synthesized using the sa.e methodology. These results revea. tha. dop.ng Ce^(3+)a.d La.(3+)into Co Ni Fe-LDH substa.tia.ly imp.oves its electronic structure,resulting in enha.ced conductivity, more oxygen va.a.cies(Vo), electron intera.tion, a.d a.tive site forma.ion. Consequently,significa.tly reduced overp.tentia.s of 175, 314, a.d 424 m V a. 10, 100, a.d 500 m a.cm^(-2), resp.ctively, a.d a.highly sta.le current density of 120 h in 1 M KOH were a.hieved. Nota.ly, these p.rforma.ce metrics surp.ss those of unmodified LDHs a.d a.e comp.titive with ma.y la.tha.ide-dop.d tra.sition meta.-ba.ed LDH electroca.a.ysts, a. well a. noble meta. ca.a.ysts like ruthenium ca.a.ysts. This work rep.esents a.p.oneering effort in dop.ng Ce^(3+)a.d La.(3+)ions into a.functiona. Co Ni Fe-ba.ed electroca.a.yst, offering insp.ring OER p.rforma.ce a.d sca.a.ility p.tentia..

关键词： la.ered double hydroxides oxygen evolution rea.tion la.tha.ide na.osheet high current density

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a.Ma.hine Lea.ning Cla.sifica.ion Model for Detecting p.edia.etes

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Journa. of Da.a.a.a.ysis a.d Informa.ion p.ocessing 2024年第3期12卷 462-478页

作者： a. K. M. Ra.uibul Ba.ha. Ma.di Gouda.zi Chris p. Tsokos Dep.rtment of Ma.hema.ics & Comp.ter Science Augustana College Rock Island Illinois USA Indep.ndent Resea.cher San Francisco California USA Dep.rtment of Ma.hema.ics & Sta.istics University of South Florida Tampa Florida USA

The incidence of p.edia.etes is in a.da.gerous condition in the USa. The likelihood of increa.ing chronic a.d comp.ex hea.th issues is very high if this sta.e of p.edia.etes is ignored. So, ea.ly detection of p.edia.etes conditions is critica. to decrea.e or a.oid typ. 2 dia.etes a.d other hea.th issues tha. come a. a.result of untrea.ed a.d undia.nosed p.edia.etes condition. This study is done in order to detect the p.edia.etes condition with a. a.tificia. intelligence method. Da.a.used for this study is collected from the Centers for Disea.e Control a.d p.evention’s (CDC) survey conducted by the Division of Hea.th a.d Nutrition Exa.ina.ion Surveys (DHa.ES). In this study, severa. ma.hine lea.ning a.gorithms a.e exp.oited a.d comp.red to determine the best a.gorithm ba.ed on a.era.e Squa.ed Error (a.E), Kolmogorov-Smirnov (Youden) scores, a.ea. under the ROC a.d some other mea.ures of the ma.hine lea.ning a.gorithm. Ba.ed on these scores, the cha.p.on model is selected, a.d Ra.dom Forest is the cha.p.on model with a.0}roxima.ely 89% a.cura.y.

关键词： p.edia.etes Ma.hine Lea.ning SVM Forest Cumula.ive Lift

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Effective Utiliza.ion of Government-p.ovided CTI by Sma.l Businesses within the Defense Industria. Ba.e

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Journa. of Informa.ion Security 2024年第2期15卷 196-217页

作者： Josia. Dykstra.La.rence a. Gordon Ma.tin p. Loeb Benja.in Wa.l Lei Zhou Na.iona. Security a.ency Fort Meade MD USA Robert H. Smith School of Business University of Maryland College Park MD USA

There a.e two broa. objectives of the resea.ch rep.rted in this p.p.r. First, we a.sess whether government-p.ovided cyber threa. intelligence (CTI) is help.ul in p.eventing, or resp.nding to, cyber-a.ta.ks a.ong sma.l businesses within the U.S. Defense Industria. Ba.e (DIB). Second, we identify wa.s of imp.oving the effectiveness of government-p.ovided CTI to sma.l businesses within the DIB. Ba.ed on a.questionna.re-ba.ed survey, our findings suggest tha. government-p.ovided CTI help. businesses within the DIB in p.eventing, or resp.nding to, cyber-a.ta.ks p.oviding a.firm is fa.ilia. with the CTI. Unfortuna.ely, a.la.ge p.rcenta.e of sma.l firms a.e not fa.ilia. with the government-p.ovided CTI feeds a.d consequently a.e not utilizing the CTI. This la.ter situa.ion is la.gely due to fina.cia. constra.nts confronting sma.l businesses tha. p.event firms from ha.ing the wherewitha. necessa.y to effectively utilize the government-p.ovided CTI. However, we found a.significa.t p.sitive a.socia.ion between a.firm’s fa.ilia.ity with the government-p.ovided CTI a.d whether a.firm is being p.riodica.ly reviewed by the Defense Counterintelligence a.d Security a.ency (DCSa. or is comp.ia.t with the Cybersecurity Ma.urity Model Certifica.ion (CMMC) p.ogra.. The findings from our study a.so show tha. the p.rticip.ting firms believe tha. externa. cyber threa.s a.e more likely to be the ca.se of a.future cybersecurity brea.h tha. interna. cybersecurity threa.s. Fina.ly, our study found tha. the p.rtion of the IT budget tha. sma.l businesses within the DIB sp.nd on cybersecurity-rela.ed a.tivities is dep.ndent on the p.rcep.ion tha. a.firm would be the ta.get of a. externa. cyber-a.ta.k.

关键词： Government-p.ovided CTI Sma.l Businesses Defense Industria. Ba.e

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a.throp.genic Influence on Deca.a. Cha.ges in Concurrent Hot a.d Dry Events over China.a.ound the Mid-1990s

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a.va.ces in a.mosp.eric Sciences 2024年第2期41卷 233-246页

作者： Qin SU Buwen DONG Fa.gxing TIa. Nichola. p.KLINGa.a. Yunna. Key La.ora.ory of Meteorologica. Disa.ters a.d Clima.e Resources in the Grea. Mekong Subregion Yunnan UniversityKunming 650500China Dep.rtment of a.mosp.eric Sciences Yunnan UniversityKunming 650500China Na.iona. Centre for a.mosp.eric Science Department of MeteorologyUniversity of ReadingReadingRG66BBUK Geofysisk Institut University of BergenBergen 5007Norway Cita.el Investment Group Moor House120 London WallLondonRG66BBUK

The frequency a.d dura.ion of observed concurrent hot a.d dry events(HDEs) over China.during the growing sea.on(a.0}il–Sep.ember) exhibit significa.t deca.a. cha.ges a.ross the mid-1990s. These cha.ges a.e cha.a.terized by increa.es in HDE frequency a.d dura.ion over most of China. with rela.ively la.ge increa.es over southea.tern China.SEC), northern China.NC), a.d northea.tern China.NEC). The frequency of HDEs a.era.ed over China.in the p.esent da.(p.,1994–2011) is double tha. in the ea.ly p.riod(Ep. 1964–81);the dura.ion of HDEs increa.es by 60%. Clima.e exp.riments with the Met Office Unified Model(MetUM-GOML2) a.e used to estima.e the contributions of a.throp.genic forcing to HDE deca.a. cha.ges over China. a.throp.genic forcing cha.ges ca. exp.a.n 60%–70% of the observed deca.a. cha.ges,suggesting a. imp.rta.t a.throp.genic influence on HDE cha.ges over China.a.ross the mid-1990s. Single-forcing exp.riments indica.e tha. the increa.e in greenhouse ga.(GHG) concentra.ions domina.es the simula.ed deca.a. cha.ges,increa.ing the frequency a.d dura.ion of HDEs throughout China. The cha.ge in a.throp.genic a.rosol(a.) emissions significa.tly decrea.es the frequency a.d dura.ion of HDEs over SEC a.d NC, but the ma.nitude of the decrea.e is much sma.ler tha. the increa.e induced by GHGs. The cha.ges in HDEs in resp.nse to a.throp.genic forcing a.e ma.nly due to the resp.nse of clima.ologica. mea. surfa.e a.r temp.ra.ures. The contributions from cha.ges in va.ia.ility a.d cha.ges in clima.ologica. mea. soil moisture a.d eva.0}tra.sp.ra.ion a.e rela.ively sma.l. The p.ysica. p.ocesses a.socia.ed with the resp.nse of HDEs to GHG a.d a. cha.ges a.e a.so revea.ed.

关键词： concurrent hot a.d dry events deca.a. va.ia.ion greenhouse ga.es a.rosol emissions

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The Limba. Niche a.d Its Role in Ma.nta.ning Cornea. Regenera.ion

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Op.n Journa. of Op.tha.mology 2024年第1期14卷 76-91页

作者： Ja.sukh p. Singh Syosset Senior High School Syosset New York USA

In recent yea.s, stem cells ha.e been a.foca. p.int in resea.ch designed to eva.ua.e the effica.y of op.tha.mologic thera.0}es, sp.cifica.ly those for cornea. conditions. The cornea. ep.thelium is one of the few regions of the body tha. ma.nta.ns itself using a.residua. stem cell p.p.la.ion within the a.ja.ent limbus. Stem cell movement ha. a.ditiona.ly ca.0}iva.ed the minds of resea.chers due to its p.tentia. a.0}lica.ion in different body regions. The cornea.is a.via.le model for va.ying methods to tra.k stem cell migra.ory p.tterns, such a. linea.e tra.ing a.d live ima.ing from the limbus. These develop.ents ha.e the p.tentia. to p.ve the wa. for future thera.0}es designed to ensure the continuous regenera.ion of the cornea. ep.thelium following injury via.the limba. stem cell niche. This litera.ure review a.ms to a.a.yze the va.ious methods of ima.ing used to understa.d the limba. stem cell niche a.d p.ssible future directions tha. might be useful to consider for the better trea.ment a.d p.evention of disorders of the cornea.a.d cornea. ep.thelium. .

关键词： Cornea Limbus Molecula. Biology Stem Cells Linea.e Tra.ing Live Ima.ing

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腕足动物支撑的关山生物群层状底栖群落揭示寒武纪早期生态系统复杂性

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地球科学 2024年第6期49卷 2277-2295页

作者：陈飞扬张志飞 Top.er Timothy p. 刘茜中国矿业大学煤层气资源与成藏过程教育部重点实验室江苏徐州221008 中国矿业大学资源与地球科学学院江苏徐州221116 西北大学地质学系大陆动力学国家重点实验室陕西省早期生命与环境重点实验室陕西西安710069 瑞典自然历史博物馆瑞典斯德哥尔摩SE-104055 西北大学博物馆陕西西安710069

关山生物群产自滇东地区寒武系第4阶,是一个由多门类后生动物化石组成的原位埋藏的布尔吉斯页岩型化石库,该生物群在数量上以腕足动物主导,它们大量出现并密集成层,特色鲜明.综述了近年来关山生物群的最新研究进展,包括群落构成、腕足... 详细信息

关山生物群产自滇东地区寒武系第4阶,是一个由多门类后生动物化石组成的原位埋藏的布尔吉斯页岩型化石库,该生物群在数量上以腕足动物主导,它们大量出现并密集成层,特色鲜明.综述了近年来关山生物群的最新研究进展,包括群落构成、腕足动物多样性与壳体密集层,并着重介绍了其中与腕足动物相关的古生态学研究进展,揭示了一类独特的、由腕足动物支撑的层状底栖群落,表明寒武纪早期海洋底栖生态系统已形成较好的垂直分层现象,并存在复杂生态关系.来自澄江、马龙、关山生物群的化石数据揭示,滇东地区寒武纪第二世发生了一次重要的属种转变与群落演替事件,并且于寒武纪第4期,腕足动物首次在数量上超越节肢动物成为优势类群.原位埋藏、腕足动物主导、生态系统复杂等特点使关山生物群成为探索寒武纪大爆发的独特窗口,未来持续的古生态学研究将对理解和恢复早期海洋生态系统的建立与演化过程具有重要意义.同时,开展该时期古环境的纵向演变研究,探索影响群落演替的关键控制因素,将对寒武系第二统全球地层对比工作提供重要参考.

关键词：关山生物群腕足动物底栖群落演替生态系统复杂性寒武纪第4期滇东地区生态学

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Rela.iona. a.d Euclidea. Temp.ra. Sp.ce

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Journa. of a.0}lied Ma.hema.ics a.d p.ysics 2024年第2期12卷 683-719页

作者： Steven D. p. Moore Indep.ndent Resea.cher Milton Canada

In ma.hema.ics, sp.ce encomp.sses va.ious structured sets such a. Euclidea., metric, or vector sp.ce. This a.ticle introduces temp.ra. sp.ce—a.novel concep. indep.ndent of tra.itiona. sp.tia. dimensions a.d fra.es of reference, a.commoda.ing multip.e object-oriented dura.ions in a.dyna.ica. system. The novelty of building temp.ra. sp.ce using finite geometry is rooted in recent a.va.cements in the theory of rela.iona.ism which utilizes Euclidea. geometry, set theory, dimensiona. a.a.ysis, a.d a.ca.sa. signa. system. Multip.e indep.ndent a.d co-existing cyclic dura.ions a.e mea.ura.le a. a.network of finite one-dimensiona. timelines. The work a.igns with Leibniz’s comments on rela.iona. mea.ures of dura.ion with the a.dition of using discrete cyclic rela.iona. events tha. define these finite temp.ra. sp.ces, a.0}lica.le to qua.tum a.d cla.sica. p.ysics. a.cient formula. ha.e symmetry a.ong with divisiona. a.d subdivisiona. orders of op.ra.ions tha. crea.e discrete a.d ordered temp.ra. geometric elements. Elements ha.e cyclica.ly conserved symmetry but unique cyclic dimensiona. qua.tities a.0}lica.le for a.choring temp.ra. equiva.ence rela.ions in linea. time. We p.esent both fixed equiva.ences a.d exp.nded p.riods of temp.ra. sp.ce offering a.non-Greek ca.enda. methodology consistent with a.cient globa. timekeep.ng descrip.ions. Novel a.0}lica.ions of Euclid’s division a.gorithm a.d Ca.tor’s p.iring function introduce a.novel p.ired function equa.ion. The ma.hema.ica. descrip.ion of finite temp.ra. sp.ce within rela.iona.ism theory offers a. a.terna.ive discrete geometric methodology for exa.ining a.cient timekeep.ng with new hyp.theses for Egyp.ia. ca.enda.s.

关键词： Rela.iona.ism p.iring Function Equa.ion Discrete Euclidea. Timelines a.cient Timekeep.ng

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Comp.ra.ive a.a.ysis of Continuous versus Intermittent p.oton p.mp.Inhibitor Thera.0} in p.tients with Up.er Ga.trointestina. Bleeding Due to Ulcers

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Op.n Journa. of Ga.troenterology 2024年第3期14卷 99-107页

作者： a.ra.mya. Feruza.Misra.p. Neela.ri Sutter Roseville Medica. Center Internal Medicine Department Sacramento California USA

Up.er ga.trointestina. bleeding (UGIB) p.esents a. a.p.eva.ent clinica. cha.lenge, with a.nua. incidence ra.es ra.ging from 80 to 150 ca.es p.r 100,000 individua.s. Guidelines for ma.a.ing p.tients with UGIB due to bleeding ulcers recommend a.continuous infusion of p.oton p.mp.inhibitors (p.I). However, studies comp.ring intermittent dosing of p.I thera.0} show tha. this regimen a.hieves simila. clinica. benefits. If the clinica. effica.y rema.ns equiva.ent, intermittent dosing will be more cost-effective for p.tients a.d the hea.th ca.e system. Our resea.ch study a.ms to a.a.yze the comp.ra.ive effectiveness of intermittent versus continuous p.I thera.0} a.ter endoscop.c trea.ment in p.tients with UGIB, focusing on such endp.ints a. rebleeding risk a. 3-a.d 7-da. morta.ity ra.es. Methods: Resources sea.ched included MEDLINE, EMBa.E, p.BMED, a.d the Cochra.e Centra. Register of Controlled Tria.s da.a.a.es from Ja.ua.y 2010 through December 2023 with the inclusion of meta.a.a.ysis, systema.ic review, review, or a.G guideline recommenda.ions. Results of the a.a.ysis show how recommenda.ions rega.ding high vs. low p.I regimen cha.ged over time: from no difference in regimen in 2010 to recommending continuous regimen in 2012 to decla.ing insufficient evidence between choosing one regimen over a.other in 2013 to determine tha. both regimens were comp.ra.le to ea.h other in 2014-2018 a.d fina.ly to recommending both regimens in 2021. To conclude, our review shows tha. in p.tients with bleeding ulcers a.d high-risk endoscop.c findings, intermittent p.I thera.0} is non-inferior to continuous p.I infusion for three da.s, seven da.s bleeding risk or morta.ity ra.es;however, it rema.ns cha.lenging to determine the most op.ima. intermittent regimen due to heterogeneity of RCTs included in meta.a.a.yses, a.d further tria.s will need to be p.rformed.

关键词： Up.er Ga.trointestina. Bleeding p.I Continuous Intermittent Bolus Regimens Review

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Va.ia.ions of a.mosp.eric ELF/VLF Ra.io Noise Due to Seismogenic Modifica.ions in Trop.sp.eric Conductivity

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Op.n Journa. of Ea.thqua.e Resea.ch 2024年第2期13卷 113-132页

作者： Ma.a.hi Ha.a.a.a.a.exa.der p. Nickola.nko Ha.a.a.a.Institute of Seismo Electroma.netics Co. Ltd. (Hi-SEM) UEC Alliance Center #521 Tokyo Japan The University of Electro-Communica.ions (UEC) Advanced Wireless & Communications Research Center (AWCC) Chofu-shi Tokyo O.Ya. Usikov Institute for Ra.iop.ysics a.d Electronics National Academy of Sciences of the Ukraine Kharkov Ukraine

We suggest a.p.ssible exp.a.a.ion of the influence of p.e-seismic a.tivity on the registra.ion ra.e of na.ura. ELF(extremely low frequency)/VLF(very low frequency) p.lses a.d the cha.ges of their cha.a.teristics. The ma.n idea.is a. follows. The distribution of the electric field a.ound a.thundercloud dep.nds on the conductivity p.ofile of the a.mosp.ere. Qua.i-sta.ic electric fields of a.thundercloud decrea.e in those trop.sp.eric regions where a. increa.e of a.r conductivity is genera.ed by p.e-seismic a.tivities due to ema.a.ion of ra.ioa.tive ga. a.d wa.er into the lower a.mosp.ere. The electric field becomes reduced in the lower trop.sp.ere, a.d the p.oba.ility decrea.es of the cloud-to-ground (CG) strokes in such “conta.ina.ed” a.ea.. Simulta.eously, the electric field grows inside a.d a.ove the thunderclouds, a.d hence, we a.ticip.te a.growth in the number of horizonta. a.d tilted inter-cloud (or intra.cloud) (both termed a. IC discha.ges) strokes. Sp.tia. orienta.ion of lightning strokes reduces vertica. p.ojection of their individua. a.p.itudes, while the ra.e (media. number strokes p.r a.unit time) of discha.ges grows. We demonstra.e tha. cha.nel tilt of strokes modifies the sp.ctra. content of ELF/VLF ra.io noise a.d cha.ges the ra.e of detected p.lses during the ea.thqua.e p.ep.ra.ion p.a.e.

关键词： ELF/VLF Ra.io Noise Ea.thqua.e p.ecursor p.e-Seismic Modifica.ion Conductivity a.oma.y in the Lower a.mosp.ere Ra.ioa.tive Ra.on Ga.es CG Lightning Discha.ges IC Discha.ges Cloud-to-Ionosp.ere Discha.ge

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