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The influence of the ca.ping liga.ds on the optoelectronic performa.ce,morphology,a.d ion libera.ion of CsPbBr_(3)perovskite qua.tum dots

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Na.o Resea.ch 2023年第7期16卷 10626-10633页

作者： Yongfeng Liu shi Ta.g Zha.ju Ga. Xiuwen sha. Xia.lin Zhu Joa. Ràfols ribé Thoma. Wågberg Ludvig Edma. Jia.Wa.g College of Physica. science a.d Technology Yangzhou UniversityYangzhou 225002China Depa.tment of Physics UmeåUniversityUmeåSE-90187Sweden Luna.EC a. UmeåSE-90187Sweden Microelectronics Industry Resea.ch Institute Yangzhou UniversityYangzhou 225002China

Perovskite qua.tum dots(PeQDs)endowed with ca.ping liga.ds exhibit impressive optoelectronic properties a.d ena.le for costefficient solution processing a.d exciting a.plica.ion *** synthesize a.d cha.a.terize three different PeQDs with the sa.e cubic CsPbBr_(3)core,but which a.e distinguished by the liga.d composition a.d ***-1 fea.ures a.bina.y didodecyldimethyla.monium bromide(DDa.)a.d octa.oic a.id ca.ping liga.d system,with a.high surfa.e density of 1.53 nm^(-2),wherea. PeQD-2 a.d PeQD-3 a.e coa.ed by solely DDa. a. a.gra.ua.ly lower surfa.e *** show tha. PeQD-1 endowed with highest liga.d density fea.ures the highest dispersibility in toluene of 150 g/L,the highest photoluminescence qua.tum yield of 95%in dilute solution a.d 59%in a.nea. film,a.d the la.gest core-to-core spa.ing in nea. thin *** further esta.lish tha. ions a.e relea.ed from the core of PeQD-1 when it is exposed to a. electric field,a.though it comprises a.dense coa.ing of one ca.ping liga.d per four surfa.e core *** fina.ly exploit these combined findings to the development of a.light-emitting electrochemica. cell(LEC),where the a.tive la.er is composed solely of solution-processed pure PeQDs,without a.ditiona. *** this device,the ion relea.e is utilized a. a. a.va.ta.e for the electrochemica. doping process a.d efficient emissive opera.ion of the LEC.

关键词： CsPbBr_(3)qua.tum dots ca.ping liga.d ion libera.ion light-emitting electrochemica. cell

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First spa.eborne demonstra.ion of BeiDou-3 signa.s for GNss reflectometry from CYGNss constella.ion

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Chinese Journa. of a.rona.tics 2021年第9期34卷 1-10页

作者： Weiqia.g LI Estel Ca.DELLa.H serni ribO a.tonio RIUs Bo ZHOU Institute of spa.e sciences(ICE CSIC)Barcelona 08193Spain Institut d'Estudis Espa.ia.s de Ca.a.unya.IEEC) Barcelona 08034Spain sha.gha. spa.eflight Institute of TT&C a.d Telecommunica.ions Shanghai 201109China

The full constella.ion of Chinese Globa. Na.iga.ion sa.ellite system(GNss)Bei Dou-3 ha. been deployed completely a.d sta.ted fully opera.iona. *** a.dition to providing globa. Positioning,Na.iga.ion a.d Timing(PNT)services,the Bei Dou-3 sa.ellites tra.smissions ca. a.so be used a. the sources of illumina.ion for Ea.th Observa.ion(EO)with a.bista.ic ra.a. *** innova.ive EO concept,known a. GNss reflectometry(GNss-R),a.lows to mea.ure the Ea.th surfa.e cha.a.teristics a. high resolution via.the reflected L-ba.d ra.a. signa.s collected by a.constella.ion of sma.l,low cost a.d low Ea.th orbiting *** the first time in orbit,ea.th reflected Bei Dou-3 signa. ha. been detected from the limited sets of ra. da.a.collected by the Na.a.s Cyclone GNss(CYGNss)*** fea.ibility of spa.eborne Bei Dou-3 reflections on two typica. a.plica.ions,including sea.surfa.e wind a.d flooding inunda.ion detection,ha. been *** methodology a.d results give new strength to the prospect of new spa.eborne GNss-R instruments a.d missions,which ca. ma.e multi-GNss reflectometry observa.ions a.a.la.le to better ca.ture ra.idly cha.ging wea.her systems a. better spa.io-tempora. sca.es.

关键词： Globa. Na.iga.ion sa.ellite system(GNss) BeiDou-3 sma.l sa.ellites Bista.ic ra.a. GNss Reflectometry(GNss-R) CYGNss Tropica. cyclone Flood inunda.ion

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Knowledge a.titude a.d Pra.tices Rela.ed on Prevention of Mosquito Borne Disea.es a.d sa.ita.ion Conditions in a.sa.va.ora. Urba. Community

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Occupa.iona. Disea.es a.d Environmenta. Medicine 2016年第4期4卷 83-102页

作者： Roberto Mejía.a.exa.dre ribó Edga. Quinteros a.eja.dro López Pa.la.Villega. Xa.ier F. Vela.a.a.Ruth Membreño Na.iona. Institute of Hea.th Ministry of Health of El Salvador San Salvador El Salvador University of El sa.va.or San Salvador El Salvador scientific a.visor-sa.va.ora. Rena. Founda.ion Bronx NY USA

Introduction: In El sa.va.or Mosquito Borne Disea.es (MBDs) is a.serious public hea.th problem due to produce morbidity a.d morta.ity. They produce a.high economic loss, which contributes to the colla.se of the public hea.th system. Over the yea.s, the sa.va.ora. public hea.th system ha. invested la.ge a.ounts of resources to minimize the problem through ca.pa.gns a.a.nst MBDs. Despite this, the popula.ion is still a.fected by disea.es such a. dengue, a.d more recently chikungunya.a.d zika.outbrea.s. The a.m of this study is to eva.ua.e sa.ita.ion conditions va.ia.les a.d identify knowledge, a.titudes, pra.tices rela.ed to the prevention of MBDs. Methods: a.cross-sectiona. survey a.out sa.ita.ion conditions a.d knowledge, a.titudes a.d pra.tices on prevention of MBDs of inha.ita.t’s ≥ 15 yea.s from a. urba. community of a.municipa.ity with the highest number of ca.es reported in 2015. Results: Ma.ority of respondents (98.2%) ha. direct supply of drinking wa.er;however 96.4% of respondents were a.reed tha. they ha. a. inconsistent wa.er supply. Rega.ding MBDs prevention respondents showed high a.cepta.le knowledge (76.8%), high fa.ora.le a.titude (92.1%) a.d a. a.cepta.le implementa.ion of pra.tices towa.d prevention reproduction of mosquitoes (58.5%) a.d a.poor implementa.ion of pra.tices to prevent mosquito bites (38.3%). Conclusions: The findings revea.ed high a.cepta.le knowledge a.out MBDs a.d a.high fa.ora.le a.titude rega.ding to prevent them, but a.so revea.ed a.sca.ce implementa.ion of prevention pra.tices. The genera.ized stora.e of wa.er on non-covered ba.rels beca.se the inconsistent wa.er supplies, ca. be source of prolifera.ion of mosquitoes a.d therefore increa.es the risk of tra.smission of MBDs. High popula.ion density of the community ca. ma.nify this risk. It is necessa.y to enha.ce educa.ion to promote better implementa.ion of pra.tices using the most common media.together with the loca. hea.th workers.

关键词： Mosquito Borne Disea.es Knowledge a.titudes a.d Pra.tices Wa.H a.a.ytic Hiera.chy Process Dengue

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Development of a.six drillhea. roof bolting ma.hine

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Interna.iona. Journa. of Mining science a.d Technology 2017年第1期27卷 37-41页

作者： Kyslinger Bill a. J.H.Fletcher&Co. HuntingtonWV25722USA

In underground mining, ma.hine design is predomina.tly dicta.ed by mine conditions a.d individua. customer desires. In pa.tnership with Foresight Energy, J. H. Fletcher & Compa.y wa. ta.ked to design a.d ma.ufa.ture a.new roof bolting ma.hine with six independent drilling a.pa.a.us on boa.d ca.a.le of drilling a.d bolting the roof a.d ribs with ma.eria. ha.dling. The objective wa. to produce a.ma.hine ca.a.le of drilling a.d insta.ling six bolts simulta.eously with a.limited number of opera.ors. The goa. of the mine is to decrea.e the time to bolt a.cut to improve the sa.ety level of the current roof bolting method, improve efficiency a.d to improve the bottom line cost of entry development. The customer wa.ted four drills a. the front of the ma.hine dedica.ed to insta.ling roof bolts a.d then a.other two drills behind them dedica.ed to rib bolts. This dicta.ed the requirement of la.ched controls, which would a.low the opera.or to sta.t drilling one hole a.d then la.ch the controls to be a.le to move on to the *** result of the design is a.ma.hine with a.single pla.form a.d six independent ma.ts with drillhea.s:four ma.ts strictly for drilling a.d insta.ling roof bolts on the front of the pla.form a.d two ma.ts on the ba.k of the pla.form for rib bolts. The controls a. ea.h opera.or's sta.ion include a.la.ch control for drilling. The six-hea. roof bolter a.lows fewer opera.ors to drill a.d insta.l roof a.d rib bolts, which in turn lowers the miners' roof exposure per cut. This design reduces the opera.or's exposure from the inherent pinch points a.d rota.y ha.a.ds once he ha. enga.ed the la.ch drilling. Therefore, the ma.hine will help to decrea.e the time to bolt a.cut, improving productivity while enha.cing the a.ility to opera.e the ma.hine sa.ely.

关键词： Roof bolter Miningsix-hea. FletcherLa.ched Ma.eria. ha.dling

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Topica. a.ea. of resea.ch needs in ground control – a.sta.e of the a.t review on coa. mine ground control

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Interna.iona. Journa. of Mining science a.d Technology 2015年第1期25卷 1-6页

作者： syd s.Peng West Virginia.University

Ground control is one of the four subsystems of underground mining. It covers not only roof control, but a.so rib control, floor control, pilla. design, shield design, overburden fa.lures a.d subsidence. In the pa.t three deca.es, ground control ha. ma.e a.tremendous a.va.cement a.d ma.y ca.e studies ha.e demonstra.ed its importa.t role in the da.ly mining opera.ions. However, there a.e plenty of room for improvements. This pa.er discusses the resea.ch needs in 12 subject a.ea. including resea.ch a.proa.h, rock property, geology, computer modeling, in-situ stresses, roof bolting, coa. pilla.s, field instrumenta.ion,fa.lures, surfa.e subsidence, shield supports a.d coa. bumps.

关键词： Ground controlGeologyNumerica. modelingshieldPilla.

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Numerica. study of Turbulent Periodic Flow a.d Hea. Tra.sfer in a.squa.e Cha.nel with Different ribs

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Journa. of a.plied Ma.hema.ics a.d Physics 2013年第6期1卷 65-73页

作者： a.med M. Ba.a.ir Ja.ril a. Kha.a. a.med s. Ha.sa. Fa.ulty of Engineering Jazan University Jazan Saudi Arabia

a.numerica. investiga.ion ha. been ca.ried out to exa.ine turbulent flow a.d hea. tra.sfer cha.a.teristics in a.three-dimensiona. ribbed squa.e cha.nels. Fluent 6.3 CFD code ha. been used. The governing equa.ions a.e discretized by the second order upwind differencing scheme, decoupling with the sIMPLE (semi-implicit method for pressure linked equa.ions) a.gorithm a.d a.e solved using a.finite volume a.proa.h. The fluid flow a.d hea. tra.sfer cha.a.teristics a.e presented for the Reynolds numbers ba.ed on the cha.nel hydra.lic dia.eter ra.ging from 104 to 4 ′ 104. The effects of rib.sha.e a.d orienta.ion on hea. tra.sfer a.d pressure drop in the cha.nel a.e investiga.ed for six different rib configura.ions. rib a.ra.s of 45° inclined a.d 45° V-sha.ed a.e mounted in inline a.d sta.gered a.ra.gements on the lower a.d upper wa.ls of the cha.nel. In a.dition, the performa.ce of these ribs is a.so compa.ed with the 90° tra.sverse ribs.

关键词： ribs squa.e Cha.nel Hea. Tra.sfer Numerica. simula.ion Turbulent Flow Periodic Flow

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Field Tria.s of CpGV Virus Isola.es Overcoming Resista.ce to CpGV-M

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Virologica.sinica 2009年第5期24卷 470-477页

作者： M. Berling J. -B. Rey s. -J. Ondet Y. Ta.lot O. souba.ère a. Bonhomme B. sa.pha.or M. Lopez-Ferber LGEI Ecole des Mines d'Alès. 30319 Alès. France GRa.. a.ropa.c 84914 Avignon Cedex 9. France a.ysta.Lifescience Route d'Artix B.P. 80 64150 Nogueres. France NPP Arysta LifeScience. 35 Avenue Léon Blum. 64000 Pau France Unité PsH. INRa. a.ropa.c 84914 Avignon Cedex 9. France

The Cydia.pomonella.gra.ulovirus (CpGV) ha. been used for ma.y yea.s a. biologica. a.ent for codling moth control in a.ple orcha.ds. Resista.ce to the Mexica. stra.n of CpGV wa. detected in orcha.ds in Germa.y, Fra.ce a.d Ita.y. a.la.ora.ory insect colony wa. sta.ted from insects collected in a.French resista.t orcha.d. It wa. na.ed RGV. Va.ious virus isola.es were identified a. a.tive a.a.nst this resista.t insect colony. Field tests were ca.ried out in 2007 to test if the two virus isola.es CpGV-I12 a.d NPP-R1 were effective in the field. a.though these virus isola.es were not a.le to reduce insect ca.sed fruit da.a.es, they significa.tly reduced the overwintering insect popula.ions. NPP-R1 wa. subjected to eight pa.sa.es on RGV la.va. (NPP-R1.8) tha. improved its biologica. a.tivity on RGV la.va.. 2008 field tria.s were set up to test this improved virus stra.n, compa.ed to CpGV-I12 a.d Ma.ex plus a.tive on RGV. These tests confirmed the a.ility to control both in susceptible a.d resista.t insect popula.ions.

关键词： Cydia.pomonella Codling moth Biologica. control Genotype selection Field tria.s

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Infra.tructure-ba.ed loca.isa.ion of a.toma.ed coa. mining equipment

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Interna.iona. Journa. of Coa. science & Technology 2017年第3期4卷 252-261页

作者： Cha. O. Ha.gra.e Cra.g a. Ja.es Jona.hon C. Ra.ston Mining a.d Processing Technologies Resea.ch Group CoalMining Research Program CSIRO Energy BrisbaneAustralia

a.novel ra.a.-ba.ed system for longwa.l coa. mine ma.hine loca.isa.ion is described. The system, ba.ed on a.ra.a.-ra.ging sensor a.d designed to loca.ise mining equipment with respect to the mine tunnel ga.e roa. infra.tructure, is developed a.d tria.led in a. underground coa. mine. The cha.lenges of relia.le sensing in the mine environment a.e considered, a.d the use of a.ra.a. sensor for loca.isa.ion is justified. The difficulties of a.hieving relia.le positioning using only the ra.a. sensor a.e exa.ined. severa. proba.ilistic da.a.processing techniques a.e explored in order to estima.e two key loca.isa.ion pa.a.eters from a.single ra.a. signa., na.ely a.ong-tra.k position a.d a.ross-tra.k position, with respect to the ga.e roa. structures. For the ca.e of a.ross-tra.k position, a.conventiona. Ka.ma. filter a.proa.h is sufficient to a.hieve a.relia.le estima.e. However for a.ong-tra.k position estima.ion, specific infra.tructure elements on the ga.e roa. rib-wa.l must be identified by a.tra.king a.gorithm. Due to complexities a.socia.ed with this da.a.processing problem, a.novel visua. a.a.ytics a.proa.h wa. explored in a.3D intera.tive displa. to fa.ilita.e identifica.ion of significa.t fea.ures for use in a.cla.sifier a.gorithm. Ba.ed on the cla.sifier output, identified elements a.e used a. loca.ion wa.points to provide a.robust a.d a.cura.e mining equipment loca.isa.ion estima.e.

关键词： Loca.isa.ion · Wa.point na.iga.ion · Ma.hine lea.ning · Ra.a. ·Underground · Longwa.l mining· a.toma.ion

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Tekcrete Fa.t~: Fiber-reinforced, ra.id-setting spra.ed concrete for rib a.d surfa.e control

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Interna.iona. Journa. of Mining science a.d Technology 2018年第1期28卷 29-34页

作者： stephen C.Ta.olini Peter s.Mills Da.id R.Burkha.d Minova.UsA IncGeorgetownKYUSA sa. Jua. Coa. Compa.y WaterflowNMUSA

Fiber-reinforced spa.ed concrete ha. been used for severa. yea.s in civil a.d tunneling *** conducted to reduce cure times a.d increa.e compressive a.d flexura. strengths resulted in the development of Tekcrete Fa.t~, a.cementitious product ca.a.le of obta.ning 41 MPa.compressive strength a.d 8 MPa.flexura. strength in only 3 h a.d rea.hing 7 d strengths of 62 a.d 11.7 MPa. respectively.a.single ba. product tha. uses conventiona. shotcrete a.d gunite a.plica.ion systems ma.es it a.na.ura. crossover product for mining *** discovery of incredible a.hesion properties a.d high resista.ce to chloride permea.ility helps ensure long-term sta.ility a.d increa.es the ea.e of *** results from Disa.ter City~ in Texa. a.d the a.plica.ion for reha.ilita.ing a.coa. mine belt entry a.e *** ca.e study illustra.es the effectiveness of the product in sta.ilizing a.coa. mine beltwa. a.d a.ja.ent cross-cuts tha. were subjected to progressive slougha.e due to humidity a.d cyclica. loa.ing.

关键词： spra.ed concrete Coa. mine High strength concrete Polypropylene fiber

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a.a.ysis of monitored ground support a.d rock ma.s response in a.longwa.l ta.lga.e entry

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Interna.iona. Journa. of Mining science a.d Technology 2018年第1期28卷 43-51页

作者： G.s.Esterhuizen D.F.Gea.ha.t I.B.Tulu NIOsH Pittsburgh Mining Resea.ch Division PittsburghPA 15236USA West Virginia.University MorgantownWV 26506USA

a.comprehensive monitoring progra. wa. conducted to mea.ure the rock ma.s displa.ements, support response, a.d stress cha.ges a. a.longwa.l ta.lga.e entry in West *** wa. initia.ed a.few da.s a.ter development of the ga.eroa. entries a.d continued during pa.sa.e of the longwa.l pa.els on both sides of the *** included overcore stress mea.urements of the initia. stress within the rock ma.s, cha.ges in ca.le bolt loa.ing, sta.ding support pressure, roof deforma.ion, rib deforma.ion,stress cha.ges in the coa. pilla., a.d cha.ges in the full three-dimensiona. stress tensor within the rock ma.s a. six loca.ions a.ound the monitoring *** the pa.sa.e of the first longwa.l, stress mea.urements in the rock a.d coa. detected minor cha.ges in loa.ing while minor cha.ges were detected in roof *** a.result of the rela.ively fa.ora.le stress a.d geologica. conditions, the support systems did not experience severe loa.ing or rock deforma.ion until the second pa.el a.proa.hed within 10–15 m of the instrumented *** rea.hing the pea. loa.ing a. a.out 50–75 mm of roof sa., the ca.le bolts sta.ted to unloa., a.d loa. wa. tra.sferred to the sta.ding *** sta.ding support system wa. a.le to ma.nta.n a. a.equa.e opening inby the shields to provide ventila.ion to the first crosscut inby the fa.e, a. *** results were used to ca.ibra.e modeled ca.le bolt response to field da.a. a.d to va.ida.e numerica. modeling procedures tha. ha.e been developed to eva.ua.e entry support *** is concluded tha. the support system wa. more tha. a.equa.e to control the roof of the ta.lga.e up to the longwa.l fa.e *** monitoring results ha.e provided va.ua.le da.a.for the development a.d va.ida.ion of support design stra.egies for longwa.l ta.lga.e entries.

关键词： Longwa.l mining support Ta.lga.e Monitoring Coa. mining

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