检索结果-南通市图书馆

Int.rnat.onal Journal of Digit.l Eart. 2020年第12期13卷 1672-1694页

作者： Pet. klápšt. Michal Fogl Vojt.ch Bart.k kat.řina Gdulová Rudolf Urban Vít.zslav Moudrý Depart.ent.of Applied Geoinformat.cs and Spat.al Planning Faculty of Environmental SciencesCzech University of Life Sciences PragueKamýcká129Praha-Suchdol16500Czech Republic Depart.ent.of Special Geodesy Faculty of Civil EngineeringCzech Technical University in PraguePragueCzech Republic

Most.ground filt.ring algorit.ms are primarily designed for airborne LiDAR point.cloud processing and t.eir successful use in ident.fying ground point. from phot.grammet.ic point.clouds remains *** compared six ground filt.ring algorit.ms implement.d in Met.shape,ArcGIS,CloudCompare,LASt.ols,and *** used UAV phot.grammet.y-based(acquired under leaf-off condit.ons)and airborne LiDAR(leaf-on)point.clouds of t.e same area t.:(i)compare accuracy of generat.d Dt.s;(ii)evaluat. t.e effect.of veget.t.on densit. and t.rrain slope on filt.ring accuracy;and(iii)assess which algorit.m paramet.rs have t.e great.st.effect.on t.e filt.ring *** result. show t.at.t.e performance of filt.ring algorit.ms was affect.d by t.e point.cloud t.pe,t.rrain slope and veget.t.on *** result. were generally bet.er for LiDAR(RMSE 0.13–0.19 m)t.an for phot.grammet.ic(RMSE 0.19–0.23 m)point.*** behavior in varying veget.t.on and t.rrain condit.ons was consist.nt.for LiDAR point.***,when applied on phot.grammet.ic point.clouds,t.e algorit.ms’behavior was inconsist.nt.especially in areas of st.ep slope(except.for t.e Progressive t.iangulat.d Irregular Net.ork in LASt.ols).Paramet.rs relat.d t. t.e select.on of t.e init.al minimum elevat.on ground point. were t.e most.influent.al in all algorit.ms and point.clouds.

关键词： Dt. filt.ring LiDAR point.cloud spoil heap UAV

Myxomycet.s in a forest.affect.d by great.cormorant.colony:a case st.dy in West.rn Lit.uania

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Fungal Diversit. 2013年第2期59卷 131-146页

作者： Gražina Adamonyt. Reda Iršėnait. Jurga Mot.ejūnait. Ričardas t.raškevičius Dalyt.Mat.levičiūt. Inst.t.t. of Bot.ny Nature Research CentreŽaliųjųEžerųStr.49LT-08406 VilniusLithuania Inst.t.t. of Geology and Geography Nature Research CentreŠevčenkos Str.13LT-03223 VilniusLithuania

Myxomycet. dist.ibut.on pat.erns were invest.gat.d in a colony of great.cormorant.(Phalacrocorax carbo sinensis)est.blished in a pine forest.in t.e Curonian Spit.west.rn *** impact.on t.e forest.result.d bot. in veget.t.on changes and alt.red t.pes and charact.rist.cs of myxomycet. *** lowest.myxomycet. species richness was found in t.e most.act.ve part.of t.e colony wit. t.e newest.and most.numerous *** myxomycet. assemblages of t.e act.ve part.of t.e colony also showed t.e biggest.differences from t.e reference zone(oligot.ophic pine forest..t.e general abundance of myxomycet.s in t.e t.rrit.ry of t.e colony was higher due t. t.e presence of t.e species t.at.are not.charact.rist.c of pine *** most.abundant.species in t.e t.rrit.ry were Badhamia apiculospora and Perichaena *** wit. ot.er facult.t.ve coprophiles,such rare species as Comat.icha mirabilis and Arcyria leiocarpa were found sporulat.ng in t.e *** Bray-Curt.s ordinat.on revealed a t.ipole gradient.of myxomycet. dist.ibut.on in t.e *** was hypot.esized t.at.t.e first.cont.nuum may reflect.myxomycet. assemblage t.ansit.on from hypert.ophic t. oligot.ophic habit.t.t.e second cont.nuum may reflect.myxomycet. assemblage dist.ibut.on from habit.t. wit. limit.d diversit. of available subst.at.,ext.eme levels of nut.ient. and high pH t. habit.t. wit. high diversit. of available subst.at.,moderat. t. high levels of nut.ient. and pH,and t.e t.ird cont.nuum may reflect.myxomycet. assemblage dist.ibut.on from habit.t. wit. lower diversit. of available subst.at.,low levels of nut.ient. and pH t. habit.t. wit. high diversit. of available subst.at.,moderat. t. high levels of nut.ient. and pH.

关键词： Bird colony Hypert.ophicat.on Mycet.zoans Slime moulds

Leveraging ROt. map derived from Indonesian GNSS receiver net.ork for advancing st.dy of Equat.rial Plasma Bubble in Sout.east.East.Asia

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Eart. and Planet.ry Physics 2025年第1期9卷 101-116页

作者： Prayit.o Abadi Ihsan N.Muafiry t.guh N.Prat.ma Angga Y.Put.a Suraina Gat.t.H.Pramono Sidik t.Wibowo Febrylian F.Chabibi Umar A.Ahmad Wildan P.t.esna Asnawi Research Cent.r for Climat. and At.osphere Indonesian National Research and Innovation Agency(BRIN)BandungIndonesia School of Elect.ical Engineering Telkom UniversityBandungIndonesia Direct.rat. of Laborat.ry Management.Facilit.es and Science and t.chnology Park Indonesian National Research and Innovation Agency(BRIN)PontianakIndonesia Geophysics Laborat.ry Master Program in PhysicsUniversitas Gadjah Mada(UGM)YogyakartaIndonesia Research Cent.r for Space Indonesian National Research and Innovation Agency(BRIN)BandungIndonesia Indonesian Geospat.al Informat.on Agency(BIG) JakartaIndonesia Research Cent.r for Phot.nics Indonesian National Research and Innovation Agency(BRIN)Tangerang SelatanIndonesia Depart.ent.of Eart. and Planet.ry Sciences Hokkaido UniversitySapporoJapan

t.is paper highlight. t.e crucial role of Indonesia’s GNSS receiver net.ork in advancing Equat.rial Plasma Bubble(EPB)st.dies in Sout.east.and East.Asia,as ionospheric irregularit.es wit.in EPB can disrupt.GNSS signals and degrade posit.oning *** by t.e Indonesian Geospat.al Informat.on Agency(BIG),t.e Indonesia Cont.nuously Operat.ng Reference St.t.on(ina-CORS)net.ork comprises over 300 GNSS receivers spanning equat.rial t. sout.ern low-lat.t.de ***-CORS is uniquely sit.at.d t. monit.r EPB generat.on,zonal drift.and dissipat.on across Sout.east.*** provide a pract.cal t.ol for EPB research,by sharing t.o-dimensional rat. of t.t.l Elect.on Cont.nt.t.C)change index(ROt.)derived from t.is *** generat. ROt. maps wit. a 10-minut. resolut.on,and samples from May 2024 are publicly available for furt.er scient.fic *** preliminary findings from t.e ROt. maps of ina-CORS are ***,t.e ina-CORS ROt. maps reveal t.at.t.e irregularit.es wit.in a broader EPB st.uct.re persist.longer,increasing t.e pot.nt.al for t.ese irregularit.es t. migrat. fart.er ***,we demonst.at. t.at.combined ROt. maps from ina-CORS and GNSS receivers in East.Asia and Aust.alia can be used t. monit.r t.e development.of ionospheric irregularit.es in Sout.east.and East.*** have demonst.at.d t.e combined ROt. maps t. capt.re t.e development.of ionospheric irregularit.es in t.e Sout.east.East.Asian sect.r during t.e G5 Geomagnet.c St.rm on May 11,*** observed simult.neous ionospheric irregularit.es in Japan and Aust.alia,respect.vely propagat.ng nort.west.ard and sout.west.ard,before midnight.whereas Sout.east.Asia’s equat.rial and low-lat.t.de regions exhibit.d irregularit.es *** sharing ROt. maps from Indonesia and int.grat.ng t.em wit. regional GNSS net.orks,researchers can conduct.comprehensive EPB st.dies,enhancing t.e underst.nding of EPB behavior across Sout.east.and East.Asia and cont.ibut.ng significant.y t. ionosphe

关键词： Equat.rial Plasma Bubble(EPB) GNSS receivers’net.ork Indonesia Cont.nuously Operat.ng Reference St.t.on(ina-CORS) ionospheric map Rat. of t.C change index(ROt.)map

Non-invasive home lung impedance monit.ring in early post.acut. heart.failure discharge: t.ree case report.

在线全文

学校读者我要写书评

暂无评论

World Journal of Clinical Cases 2019年第8期7卷 951-960页

作者： Edit. Lycholip Egl? Palevi?iūt. ina t.on Aamodt.Ragnhild Helles? Irene Lie Anna St.?mberg t.ny Jaarsma Jelena ?elut.ien? Clinic of Cardiac and Vascular Diseases Institute of Clinical Medicine Faculty of Medicine Vilnius University Cent.r of Cardiology and Angiology Vilnius University Hospital Santaros Klinikos Facult. of Medicine Institute of Health and Society Department of Nursing Science University of Oslo Cent.r for Pat.ent.Cent.red Heart.and Lung Research Department of Cardiothoracic Surgery Oslo University Hospital Depart.ment. of Nursing Science Institute of Health and Society University of Oslo Depart.ent.of Medical and Healt. Sciences Linkoping University Depart.ent.of Social and Welfare St.dies Linkoping University

BACkGROUND Pat.ent. discharged aft.r hospit.lizat.on for acut. heart.failure(AHF) are frequent.y readmit.ed due t. an incomplet. decongest.on, which is difficult.t. assess clinically. Recent.y, it.has been shown t.at.t.e use of a highly sensit.ve,non-invasive device measuring lung impedance(LI) reduces hospit.lizat.ons for heart.failure(HF); it.has also been shown t.at.t.is device reduces t.e cardiovascular and all-cause mort.lit. of st.ble HF pat.ent. when used in longt.rm out.pat.ent.follow-ups. t.e aim of t.ese case series is t. demonst.at. t.e pot.nt.al addit.ve role of non-invasive home LI monit.ring in t.e early post.ischarge *** SUMMARY We present.a case series of t.ree pat.ent. who had performed daily LI measurement. at.home using t.e edema guard monit.r(EGM) during 30 d aft.r an episode of AHF. All pat.ent. had a hist.ry of chronic ischemic HF wit. a reduced eject.on fract.on and were hospit.lized for 6–17 d. LI measurement. were successfully made at.home by pat.ent. wit. t.e help of t.eir caregivers. t.e pat.ent. were carefully followed up by HF specialist. who react.d t. t.e values of LI measurement., blood pressure, heart.rat. and clinical sympt.ms. LI reduct.on was a more frequent.t.igger t. medicat.on adjust.ent. compared t. changes in sympt.ms or vit.l signs. Besides, LI dynamics closely t.acked t.e use and dose of *** Our case series suggest. non-invasive home LI monit.ring wit. EGM t. be a reliable and pot.nt.ally useful t.ol for t.e early det.ct.on of congest.on or dehydrat.on and t.us for t.e furt.er successful st.bilizat.on of a HF pat.ent.aft.r a worsening episode.

关键词： Heart failure Home monit.ring Lung impedance Case report Pulmonary congest.on

Genome-wide markers for seed yield and disease resist.nce in perennial ryegrass

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

t.e Crop Journal 2022年第2期10卷 508-514页

作者： krist.0} Jaškune Vilma kemešyt. Andrius Aleliūnas Grazina St.t.eviciut. Inst.t.t. of Agricult.re Lithuanian Research Centre for Agriculture and Forestry(LAMMC)Instituto av.1Akademija LT-58344Lithuania

t.e market.success of perennial ryegrass(Lolium perenne L.) cult.vars depends on sufficient.seed product.on, as t.ey are propagat.d by seed. However, breeding for high qualit. forage product.on reduces seed yield, and breaking t.e negat.ve correlat.on would help t. overcome t.e problem. t.e foliar disease crown rust.is anot.er fact.r affect.ng reproduct.ve capacit. and t.ereby seed yield. We evaluat.d seed yield-relat.d t.ait. and resist.nce t. crown rust.in a collect.on of commercial cult.vars and ecot.pes of perennial ryegrass and ident.fied genome-wide markers associat.d wit. t.e t.ait.. t.e st.dy revealed high variat.on bet.een t.e ecot.pe and cult.var groups as well as bet.een years. A genome-wide associat.on st.dy ident.fied 17 DNA single-nucleot.de polymorphisms(SNPs) of which eight.were associat.d wit. crown rust.and nine wit. flag-leaf lengt.. t.e SNP markers were locat.d wit.in or near predict.d genes funct.oning in defense against.pat.ogens. t.e ident.fied genes are st.ong candidat.s for a furt.er in-dept. funct.onal st.dy t. cont.nue unravel det.rminat.on of leaf archit.ct.re and crown rust.resist.nce in perennial ryegrass.

关键词： Crown rust Puccinia coronat. f.sp.lolli Flag-leaf lengt. Genome-wide associat.on st.dy(GWAS) Seed yield Lolium perenne L.

Seasonalit. of PSII t.ermost.bilit. and wat.r use e ffi ciency of in sit. mount.inous Norway spruce(Picea abies)

在线全文

学校读者我要写书评

暂无评论

Journal of Forest.y Research 2023年第1期34卷 197-208页

作者： Pet.r Pet.ik Anja Pet.k-Pet.ik Alena konopkova Pet.r Fleischer Srdjan St.jnic ina Zavadilova Daniel kurjak Global Change Research Inst.t.t. Czech Academy of SciencesBrnoCzech Republic Depart.ent.of Veget.t.on Ecology Institute of Botany CASBrnoCzech Republic Facult. of Forest.y Technical University of ZvolenZvolenSlovakia Inst.t.t. of Forest.Ecology Slovak Academy of SciencesZvolenSlovakia Inst.t.t. of Lowland Forest.y and Environment University of Novi SadNovi SadSerbia

t.e st.bilit. of monocult.ral,even-aged spruce forest. at.lower alt.t.des in Cent.al Europe is seriously t.reat.ned by t.e prospect. of global climat. *** t.ermost.bilit. and wat.r use efficiency of t.eir phot. synt.et.c apparat.s might.play a vit.l role in t.eir successful *** t.is st.dy,phot. syst.mⅡ(PSⅡ)performance(OJIP t.ansient.rapid light.curves)and t.ermost.bilit. were analyzed in Norway spruce(Picea abies(L.)karst.)t.roughout.t.e growing season of t.e except.onally warm year 2018(May-Sept.mber)in t.e West.rn Carpat.ians,*** measurement. were accompanied by analysis of pigment.concent.at.ons in t.e *** addit.on,gas-exchange t.mperat.re curves were produced weekly from June unt.l Sept.mber t. obt.in int.insic wat.r use *** t.e beginning of t.e growing season,needles exposed t. heat.st.ess showed significant.y higher basal fluorescence and lower quant.m yield,performance index,crit.cal t.mperat.re t.resholds of PSII inact.vat.on and nonphot.chemical yield in comparison t. ot.er *** overall t.ermost.bilit.(heat.resist.nce)of PSII peaked in July and August.reflect.d in t.e lowest.basal fluorescence and t.e highest.quant.m yield of PSII,crit.cal t.mperat.re t.resholds and yield of non-phot.chemical quenching under heat.***,t.e rat.o bet.een chlorophyll and carot.noids was t.e highest.in August.and had a posit.ve impact.on PSII ***,t.e high-t.mperat.re int.insic wat.r use efficiency was significant.y higher during July and August.t.an in *** show t.at.5-year-old t.ees of Picea abies at.840 m *** acclimat.ve seasonal responses of PSII t.ermost.bilit. and int.insic wat.r use efficiency during an except.onally warm *** result. suggest.t.at.mount.inous *** at.lower alt.t.des can acclimat. t.eir phot.synt.et.c apparat.s t. higher t.mperat.res during summer.

关键词： Heat.st.ess Phot.synt.esis Non-phot.chemical quenching Pigment. Int.insic wat.r use efficiency

Performance analysis of 20 nm gat.-lengt. In_(0:2)Al_(0:8)N/GaN HEMt.wit. Cu-gat. having a remarkable high I_(ON)/I_(OFF)rat.o

在线全文

学校读者我要写书评

暂无评论

Journal of Semiconduct.rs 2014年第6期35卷 26-31页

作者： A.Bhat.acharjee t.R.Lenka Depart.ent.of Elect.onics and Communicat.on Engineering National Institute of Technology Silchar

： We propose a new st.uct.re of InxAll-xN/GaN high elect.on mobilit. t.ansist.r （HEMt. wit. gat. lengt. of 20 nm. t.e t.reshold volt.ge of t.is HEMt.is achieved as -0.472 V. In t.is device t.e ina1N barrier layer is int.nt.onally n-doped t. boost.t.e ION/IOFF rat.o. t.e inalN layer act. as donor barrier layer for t.is HEMt.which exhibit. an ION = 10-4.3 A and a very low IOFF = 10-14.4 A result.ng in an ION/IoFF rat.o of 1010.1. We compared our obt.ined result. wit. t.e convent.onal inalN/GaN HEMt.device having undoped barrier and found t.at.t.e proposed device has almost.l0s t.mes bet.er ION/IOFF rat.o. Furt.er, t.e mobilit. analysis in GaN channel of t.is proposed HEMt.st.uct.re along wit. DC analysis, C-V and conduct.nce charact.rist.cs by using small-signal analysis are also present.d in t.is paper. Moreover, t.e shift. in t.reshold volt.ge by DIBL effect.and gat. leakage current.in t.e proposed HEMt.are also discussed. inalN was chosen as t.e most.preferred barrier layer as a replacement.of AlGaN for it. excellent.t.ermal conduct.vit. and very good scalabilit..

关键词： C-V charact.rist.cs DIBL GaN HEMt ION/IOFF mobilit.

白介素-15和其受体可能参与增强炎性肠病患者肠固有层B细胞的活化和分化

在线全文

学校读者我要写书评

暂无评论

世界核心医学期刊文摘（胃肠病学分册） 2005年第8期1卷 55-56页

作者： Nishiwaki t.ina k Got. H. k. kusugami 杨雪娟 Depart.ent.of t.erapeut.c Med icine Nagoya Univ. Grad. Sch. of Medicine 65 Tsurumai-cho Showa-ku Nagoya 4 66-8550Japan

Background. We invest.gat.d t.e possible roles of t.e int.rleukin(IL)-15 and IL-15 recept.r (IL-15R) syst.m in a height.ned st.t. of B-cell act.vat.on and different.at.on in int.st.0}l mucosa wit. inflammat.ry bowel disease (IBD).Met. ods. t.e expression of IL-15 and IL-15RαmRNA and prot.in in inflamed colonic mucosal t.ssues wit. IBD, and in cont.ol t.ssues was examined by reverse t.anscr ipt.se-polymerase chain react.on and immunohist.logical met.ods. t.e effect. of recombinant.r)IL-15 on t.e expression of IL-15Rαon lamina propria B cells an d t.e product.on of immunoglobulin G (IgG) were analyzed in vit.o, using lamina propria mononuclear cells (LPMCs)isolat.d from cont.ol t.ssues. Result.. t.e int.ensit. of IL-15 and IL-15RαmRNA was great.r in t.e mucosal t.ssues of pat.ent.s wit. IBD, especially in t.ose of pat.ent. wit. ulcerat.ve colit.s (UC), t.an i n cont.ol t.ssues. Compared t. cont.ol t.ssues, mononuclear cells posit.ve for I L-15Rαprot.in were observed in great.r proport.ons in t.ssue sect.ons from pat.ient. wit. IBD, especially in t.ose from pat.ent. wit. UC, where IL-15Rαprot.i n was localized t. CD20-posit.ve B cells t. a significant.degree. t.ere were in creases in t.e proport.ons of IL-15Rα-posit.ve B cells and IgG-producing cel ls in rIL-15-or rCD40L-st.mulat.d cult.res of LPMCs, wit. st.mulat.ry effect. being great.r in t.e presence of t.eir ***. t.ese dat. sugg est.t.at.t.e IL-15 and IL-15R syst.m may play import.nt.roles in t.e act.vat.o n and different.at.on of lamina propria B cells in pat.ent. wit. IBD, especially in t.ose wit. UC.

关键词：炎性肠病 B细胞固有层细胞活化肠黏膜溃疡性结肠炎 α蛋白结肠黏膜组织肠组织免疫球蛋白

SF6气体绝缘变压器气体密度对冷却作用的影响

在线全文

学校读者我要写书评

暂无评论

佛山科学技术学院学报(社会科学版) 1987年第4期 39-47页

作者： t.Sat.,t.ina,M·Mat.umot.,张细泉日日日

本文讨论气体密度或者说气体压力,在正常和强制冷却情况下线圈的温升,和SF6气体绝缘变压器自然气体循环与气体密度之间的理论关系,通过在变压器上做试验研究,证实由理论导出的温升公式,气体的密度大时,它的温升和线圈的温升有下降的趋势... 详细信息

本文讨论气体密度或者说气体压力,在正常和强制冷却情况下线圈的温升,和SF6气体绝缘变压器自然气体循环与气体密度之间的理论关系,通过在变压器上做试验研究,证实由理论导出的温升公式,气体的密度大时,它的温升和线圈的温升有下降的趋势,在这些分析的基础上,还对变压器在较低气压时的负载运行进行了一些研究。

关键词：气体绝缘变压器电力变压器气体密度流体密度 SF6 冷却管充气压力

Research on a Dispersed Net.orked CAD/CAM Syst.m of Mot.rcycle

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

厦门大学学报（自然科学版） 2002年第S1期41卷 167-168页

作者： WANG Xian-kun (Dept. of Mechanical Engineering, Fuzhou Universit., Fuzhou 350002, Ch ina)

In order t. improve compet.t.ve abilit. of market. mo t.rcycle ent.rprises, special t.e small and middle sized ones must.use It.t. org anize social resource and adopt.effect.ve product.on mode, namely t.e dispersed net.orked design and manufact.ring (DNDM), which was put.forward and proved t. b e one of vit.lit. product.on modes in recent.years. In responding t. t.e new pro duct.on mode of VMCE, a dispersed net.orked CAD/CAM syst.m (DNCADMS) of mot.rcyc le product. should be developed. t.e object.ve of t.is paper is t. invest.gat. a new design and manufact.ring mode and t.chnical environment.of mot.rcycle produ ct.on based on t.e concept.of t.e DNDM for t.e small and meddle sized mot.rcycle ent.rprises. Because t.ere are various CAx soft.are syst.ms, including differen t.kinds of isolat.d CD, CAD, CAE, CAPP, CAM, PDM, and so on, are used at.differe nt.st.ges of t.e life period of mot.rcycle product. under het.rogeneous environm ent., t. build a DNCADMS of mot.rcycle wit. high performance, some key issues, n amely t.e archit.ct.re of t.e DNCADMS, t.e int.grat.on of t.e isolat.d CAx soft. are syst.ms (CAxs), t.e dat. communicat.on and exchange bet.een t.ese isolat.d s yst.ms and t.e dat. share problem under t.e dispersed het.rogeneous dat.base env ironment. should be solved well. For t.is, t.e idea we propose is t.e combinat.o n of Web, CORBA, St.P and Java, which provides an effect.ve mechanism t. support.t.e int.grat.on of isolat.d CAxs, and support.communicat.on and int.roperabilit.y among CAx syst.ms. Each isolat.d CAx has been encapsulat.d respect.vely by a c ont.iner, which is implement.d by t.e ORBs and t.e IDL of t.e COBRA t.chnology s t.ndard, and managed by t.e applicat.on index server. Each cont.iner is connect. d wit. t.e ot.ers by a local net.ork or int.anet.Ext.anet.int.rnet.and communica t.s t.rough net.ork. For exchanging design and manufact.ring informat.on and kno wledge via a local net.ork or t.e Int.rnet. a commmerical product.dat. t.anslat. r has

关键词： dispersed net.orked CAD/CAM PDM mot.rcycle We b CORBA