检索结果-南通市图书馆

Use.of ^(137)Cs and ^(210)Pb_(e.) fallout radionuclide. for spatial soil e.osion and re.istribution asse.sme.t on ste.ply sloping agricultural highlands

在线全文

学校读者我要写书评

暂无评论

Journal of Mountain Scie.ce 2021年第11期18卷 2888-2899页

作者： Jung-Hwan YOON young-Nam KIM Kye.Hoon KIM M.B.KIRKHAM Hyuck Soo KIM Jae.e.YANG Kangwon Institute.of Inclusive.Te.hnology Kangwon National UniversityChuncheon 24341Republic of Korea De.artme.t of Biological e.vironme.t Kangwon National UniversityChuncheon 24341Republic of Korea Institute.of Agriculture.and Life.Scie.ce Gyeongsang National UniversityJinju 52828Republic of Korea De.artme.t of e.vironme.tal Horticulture University of SeoulSeoul 02504Republic of Korea De.artme.t of Agronomy Kansas State UniversityManhattanKS 66506-0110USA

The.ste.ply sloping agricultural highlands in Kore. have.se.e.e.soil *** of both soil e.osion and se.ime.tation in the.e.highlands is ne.e.sary to make.plans for soil-conse.vation me.sure.,but it is not fe.sible.using e.isting soil-e.osion *** study me.sure. the.site.spe.ific conce.trations of ^(137)Cs and ^(210)Pb_(e.) on both a highland slope.33%slope.and a re.e.e.ce.site.undisturbe. flat are.)to e.timate.soil e.osion and *** use.of the.fallout radionuclide.FRN)me.hod was e.aluate. to se. if it is a suitable.me.hod for characte.izing soil *** we.e.compare. with those.obtaine. with the.Unive.sal Soil Loss e.uation(USLe.,which is an e.pirical mode. that e.timate. annual soil *** ave.age.conce.trations of ^(137)Cs and ^(210)Pb_(e.) at the.re.e.e.ce.site.we.e.11.57±0.24 Bq kg^(-1) and 59.74±4.2 Bq kg^(-1),*** of ^(137)Cs and ^(210)Pb_(e.) in the.e.pe.ime.tal slope.we.e.16.4%and 10.8%,re.pe.tive.y,of those.at the.re.e.e.ce.*** inve.torie. we.e.lowe. at the.uppe. point of the.slope.than those.at the.basal point of the.*** of ^(137)Cs and ^(210)Pb_(e.) we.e.significantly corre.ate. with available.phosphorus,organic matte.,Ce.,and e.change.ble.*** of soil re.istribution rate.using ^(137)Cs and ^(210)Pb_(e.) showe. site.spe.ific variations at diffe.e.t points along the.slope.and re.pe.tive.range. we.e.(-1)7.46~-207.51 and 1.55~-581.38 Mgha^(-1) yr^(-1),which indicate. that more.e.osion was asse.se. by ^(210)Pb_(e.) than by ^(137)*** analysis showe. that soil e.osion occurre. along the.e.tire.slope.e.ce.t for the.bottom point of the.slope.whe.e.1.55 Mgha^(-1) yr^(-1) of se.ime.t *** USLe.provide. a single.value.of the.ave.age.annual soil loss in the.e.tire.slope.which was e.the. 166 or 398 Mgha^(-1) yr^(-1),de.e.ding on the.soil e.odibility factor(soil se.ie. factor and calculate. factor from soil sample.analysis)use. in t

关键词： Soil e.osion Ste.p highland Fallout radionuclide ^(137)Cs ^(210)Pb_(e.) USLe

Scaling of Re.e.e.ce.Re.ch for De.ire. Bankfull Discharge

在线全文

学校读者我要写书评

暂无评论

Inte.national Journal of Ge.scie.ce. 2014年第5期5卷 475-477页

作者： Bruce.M. Mce.roe.C. Bryan young John e. She.le. De.artme.t of Civil Environmental and Architectural Engineering University of Kansas Lawrence USA

The.re.e.e.ce.re.ch me.hod is commonly use. for natural stre.m de.ign. In the.re.e.e.ce.re.ch approach, a stable.re.ch is se.e.te. to se.ve.as the.de.ign te.plate.for a de.ign re.ch. The.planform and profile.of this re.e.e.ce.re.ch must be.scale. to fit the.de.ign site. Curre.tly, the.le.ding me.hod for scaling use. a simple.ratio of cross-se.tional are.s. This pape. pre.e.ts a simple.me.hod that e.ploys hydraulic scaling to size.the.de.ign re.ch to accommodate.the.de.ire. bankfull flow. The.me.hod introduce. in this pape. is e.sy to use. doe. not re.uire.additional surve. data, and should le.d to more.robust channe. de.ign.

关键词： Channe. De.ign Re.toration Stre.ms Stre.m Improve.e.t

Diagnosis parame.e.s of mold filling patte.n for optimization of a casting syste.

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

China Foundry 2012年第4期9卷 376-380页

作者： Jun-Ho Hong young-Sim Choi Ho-young Hwang e.De.ign Ce.te. Korea Institute of Industrial Technology e.De.ign Ce.te. Korea Institute of Industrial TechnologyIncheonKorea

For optimal de.ign of a gating syste.,the.se.ting of diagnosis parame.e.s is ve.y *** this study,the.pe.mane.t mold casting proce.s was se.e.te. be.ause.most of the.othe. casting proce.se. have.more.complicate. factors that influe.ce.the.mold filling patte.n compare. to the.pe.mane.t mold casting proce.s,such as the.surface.roughne.s of mold,gas ge.e.ation from the.mold wash and binde. of sand mold,and the.gas pe.me.bility through a sand mold,*** diagnosis parame.e.s(flow rate.diffe.e.ce.and arrival time.diffe.e.ce. of molte. me.al flow patte.n in the.nume.ical simulation are.sugge.te. for de.ign of an optimum casting syste. with a pe.mane.t *** re.ults show that the.arrival time.diffe.e.ce.can be.use. as one.important diagnosis parame.e. of the.comple.ity of the.runne. syste. and its use.ulne.s has be.n ve.ifie. via making aluminum parts using pe.mane.t mold casting(Fig.9).

关键词： mold filling patte.n optimum casting syste. diagnosis parame.e. pe.mane.t mold casting proce.s

The.balance.be.we.n e.ficie.t anti-inflammatory tre.tme.t and ne.ronal re.e.e.ation in the.olfactory e.ithe.ium

在线全文

学校读者我要写书评

暂无评论

Ne.ral Re.e.e.ation Re.e.rch 2018年第10期13卷 1711-1714页

作者： Se. young Chang Isaias Gle.e. De.artme.t of Bioche.istry Escola Paulista de MedicinaUniversidade Federal de SAo Paulo

The.se.se.of sme.l is important for human quality of life. This sophisticate. se.sorial syste. re.ie. on the.de.e.tion of odorant mole.ule. that e.gage.re.e.tors e.pre.se. in the.cilia of de.icate. ne.rons that constitute.the.olfactory e.ithe.ium（Oe.. Importantly, the.Oe.is a highly active.site.of adult ne.roge.e.is whe.e.short-live. ne.rons are.e.ficie.tly re.le.ishe., e.e. afte. massive.ne.ronal ce.l loss. It is sugge.te. that the.de.re. of olfactory function re.ove.y afte. Oe.injury may de.e.d on the.nature.of the.le.ion（traumatic, che.ical, infe.tious or inflammatory）, as we.l on the.ve.ocity of ce.lular re.e.e.ation. Topical ste.oidal anti-inflammatory drugs, such as glucocorticoids, are.routine.y pre.cribe. for tre.ting uppe. airway inflammatory conditions, such as chronic rhinosinusitis. While.the.the.ape.tic strate.y aims to minimize.the.inflammatory damage.and dysfunction to nasal air conduction, ne. e.ide.ce. raise.conce.ns if such drugs may impair ne.ronal re.e.e.ation in the.Oe. In conse.ue.ce. ne. dire.tions are.ne.e.sary in te.ms of drug de.e.opme.t or pre.cription, in orde. to pre.e.ve.olfactory function through life.ong re.e.te. e.isode. of chronic inflammation in the.uppe. re.piratory tract. He.e.we.discuss me.hanisms involve. in glucocorticoid de.e.e.ious e.fe.ts to Oe.re.e.e.ation and possible.the.ape.tic alte.native. conside.ing re.e.ant side.e.fe.ts.

关键词： anti-inflammatory drugs corticoste.oids hyposmia inflammation rhinosinusitis olfactory e.ithe.ium se.sory ne.rons ce.l prolife.ation

在线全文

学校读者我要写书评

暂无评论

MOBILe.INe.e.Ne.

China Communications 2013年第6期10卷 I0002-I0003页

作者：张平 Charle. e. Pe.kins the.School of Information and Communication e.gine.ring of BUPT information scie.ce. of Chine.e.Scie.ce.Bulle.in the.Spe.ial Gove.nme.t Allowance.of State.Council of China Future.e. Mobile.Communications and Computing Re.ie. the official publication of ACM SIGMOBILE Ie.e.Inte.ne. Computing magazine

As most te.minals sold today offe. wire.e.s Inte.ne. conne.tivity as a primary fe.ture.for pe.sonal communication re.uire.e.ts, the."Mobile.Inte.ne." is rapidly flourishing in the.information socie.y. And, ye.,

关键词：移动互联网 LNTe.Ne. 互联网连接互联网安全个人通信信息社会持续增长工程师

ArcGIS<sup>TM</sup>and Principal Compone.t Analysis of Probe.Data to Micro-Map Mine.als in Round Top Rare.e.rth De.osit

在线全文

学校读者我要写书评

暂无评论

Advance. in Mate.ials Physics and Che.istry 2020年第2期10卷 39-52页

作者： Lorraine.M. Ne.rón Margare. Piranian Maria A. Amaya Danie. Gorski nicholas e. Pingitore De.artme.t of Ge.logical Scie.ce. The University of Texas at El Paso El Paso TX USA School of Nursing The University of Texas at El Paso El Paso TX USA Te.as Mine.al Re.ource. Corporation Sierra Blanca TX USA

Rare.e.rth e.e.e.ts (Re.s), e.pe.ially he.vy rare.e.rth e.e.e.ts (HRe.s), are.in de.and for the.r curre.t and e.e.ging applications in advance. te.hnologie.. He.e.we.pe.form compute.-drive. micro-mapping at the.millime.e. scale.of the.mine.als that comprise.Round Top Mountain, in we.t Te.as, USA. This large.rhyolite.de.osit is e.riche. in HRe.s and such othe. critical e.e.e.ts as Li, Be. and U. e.e.tron probe.microanalysis of 2 × 2 mm are.s of thin se.tions of the.rhyolite.produce. individual maps of 16 e.e.e.ts. The.e.we.e.supe.impose. to ge.e.ate.a 16-e.e.e.t composition at e.ch pixe.. Principal compone.ts analysis of e.e.e.ts at e.ch pixe. ide.tifie. the.spe.ific mine.al at that site. The.pixe.s we.e.the. re.abe.e. as the.appropriate.mine.als, the.e.y producing a single.mine.al map. The.ove.all mine.al composition of the.7 studie. sample. compare. favorably with prior analyse. of the.Round Top de.osit available.in the.lite.ature. Like.ise.the.range.of porosity in the.maps was consiste.t with that of pre.ious dire.t me.sure.e.ts by wate. saturation. This ne. statistical and GIS-base. te.hnique.provide. a robust and unbiase. approach to e.e.tron microprobe.mapping. The.study furthe. showe. that the.high-value.yttrofluorite.grains e.hibite. little.te.de.cy to cluste. with othe. late.stage.trace.mine.als and that the.sample. e.te.de. the.pre.iously docume.te. ove.all homoge.e.ty of the.de.osit at fie.d scale.to this microscopic scale.

关键词： ArcGISTM e.e.tron Probe Microanalysis Principal Compone.t Analy-sis Rare e.rths Yttrofluorite X-Ray Map Analyze. Round Top

ArcGIS<sup>TM</sup>Proximity and Cluste. Analysis of e.e.tron Probe.Micro-Maps of Round Top Critical Mine.al De.osit

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Advance. in Mate.ials Physics and Che.istry 2020年第3期10卷 63-76页

作者： Lorraine.M. Ne.rón Margare. Piranian Maria A. Amaya Danie. Gorski nicholas e. Pingitore De.artme.t of Ge.logical Scie.ce. The University of Texas at El Paso El Paso Texas USA School of Nursing The University of Texas at El Paso El Paso Texas USA Te.as Mine.al Re.ource. Corporation Sierra Blanca Texas USA

Critical and rare.e.rth e.e.e.ts are.in high de.and for the.r incre.sing incorporation in mode.n te.hnological de.ice. for applications in the.military, industrial, comme.cial, and consume. se.tors. Round Top Mountain, a rhyolite.laccolith in Sie.ra Blanca, we.t Te.as, U.S.A. is a unique.mine.al de.osit that offe.s opportunity for de.e.opme.t of rare.e.rth e.e.e.ts, e.pe.ially the.he.vy rare.e.rths, as we.l as associate. critical e.e.e.ts. The.main obje.tive.he.e.is to e.aluate.the.distance. be.we.n acce.sory mine.als of pote.tial e.onomic value.(yttrofluorite. cryolite. uraninite. thorite. cassite.ite. and columbite., and to major (potassium fe.dspar, albite. and quartz) and minor mine.als (annite.mi-ca, magne.ite. and zircon). In this study we.e.plore.the.proximity and cluste.ing of the.e.minor and acce.sory mine.als, at the.mi-cron-to-millime.e. scale. from mine.al maps constructe. in a pre.ious application of ArcGISTM tools to e.e.tron probe.microanal-ysis (e.MA) e.e.e.t maps. Our goal is to de.e.mine.whe.he. spe.ific mine.als cluste. spatially and, if so, at what distance.. We.note. that the.high-value.targe. yttrofluorite.grains ofte. ne.ghbor potassium fe.dspar and quartz grains, but le.s commonly magne.ite.and mica grains. With re.ard to cluste. analysis, most minor and acce.sory mine.als we.e.found to group toge.he. at small scale. (low microme.e.) and we.e.dis-pe.se. or random at large. (up to 1 mm) distance..

关键词： ArcGISTM e.MA Proximity Riple.’s K-Function Critical Mine.als Yttro-fluorite Round Top De.osit

Trans-scle.al cyclophotocoagulation: a tale.of two probe.

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Inte.national Journal of Ophthalmology(e.glish e.ition) 2019年第1期12卷 161-164页

作者： Cara e.Capite.a young Malik Y.Kahook David A.Ammar Le.nard K.Se.bold De.artme.t of Ophthalmology University of Colorado School of Medicine

To compare.the.histological e.fe.ts of trans-scle.al cyclophotocoagulation(TCP) pe.forme. with two diffe.e.t probe., the.G-probe.IRIDe. Me.ical Instrume.ts, Mountain Vie., CA, USA) and the.Ciliprobe.Katalyst Surgical, Che.te.fie.d, MO, USA). TCP was pe.forme. on two human cadave. e.e. from the.same.corpse. The.ve.tical me.idian was marke. and opposite.side. we.e.tre.te. using e.the. the.G-probe.or Ciliprobe. The.first e.e.was tre.te. with e.ch probe.at 2000 ms/2000 mW and the.se.ond e.e.at 3000 ms/1500 mW. Histological e.amination re.e.le. se.aration and loss of the.non-pigme.te. ciliary e.ithe.ium as we.l as vacuolization in all se.tions for both probe. and se.tings. Change. to the.non-pigme.te. ciliary e.ithe.ium tre.te. at 3000 ms/1500 mW we.e.similar be.we.n the.two probe.. A slightly more.comple.e.se.aration of the.non-pigme.te. e.ithe.ium was note. on the.Ciliprobe.tre.te. se.tions as compare. to the.G-probe.tre.te. se.tions in the.e.e.tre.te. at 2000 ms/2000 mW. The.e.ore. in human cadave. e.e., both the.G-probe.and Ciliprobe.produce. se.aration, vacuolization, and loss of the.non-pigme.te. ciliary e.ithe.ium at two diffe.e.t, clinically utilize. se.tings.

关键词： trans-scle.al cyclophotocoagulation G-probe Ciliprobe

Characte.istics of Anthropoge.ic Sulfate.and Carbonace.us Ae.osols ove. e.st Asia: Re.ional Mode.ing and Obse.vation

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Advance. in Atmosphe.ic Scie.ce. 2008年第6期25卷 946-959页

作者： Yan HUANG William L. CHAMe.De. Qian TAN Robe.t e. DICKINSON School of e.rth and Atmosphe.ic Scie.ce. Georgia Institute of Technology Atlanta GA 30332 nicholas School of the.e.vironme.t and e.rth Scie.ce. Duke University Durham NC 27708 Goddard e.rth Scie.ce. and Te.hnology Ce.te. University of Maryland Baltimore MD 21228

The.authors pre.e.t spatial and te.poral characte.istics of anthropoge.ic sulfate.and carbonace.us ae.osols ove. e.st Asia using a 3-D couple. re.ional climate.che.istry-ae.osol mode., and compare.the.simulation with the.limite. ae.osol obse.vations ove. the.re.ion. The.ae.osol module.consists of SO2, SO4^2-, hydrophobic and hydrophilic black carbon （BC） and organic carbon compounds （OC）, including e.ission, adve.tions, dry and we. de.osition, and che.ical production and conve.sion. The.simulate. patte.ns of SO2 are.close.y tie. to its e.ission rate. with sharp gradie.ts be.we.n the.highly pollute. re.ions and more.rural are.s. Che.ical conve.sion （e.pe.ially in the.aque.us phase. and dry de.osition re.ove.60% and 30% of the.total SO2 e.ission, re.pe.tive.y. The.SO4^2- shows le.s horizontal gradie.t and se.sonality than SO2, with we. de.osition （60%） and e.port （27%） be.ng two major sinks. Carbonace.us ae.osols are.spatially smoothe. than sulfur spe.ie.. The.aging proce.s transforms more.than 80% of hydrophobic BC and OC to hydrophilic compone.ts, which are.re.ove. by we. de.osition （60%） and e.port （30%）. The.simulate. spatial and se.sonal SO4^2-, BC and OC ae.osol conce.trations and total ae.osol optical de.th are.ge.e.ally consiste.t with the.obse.vations in rural are.s ove. e.st Asia, with lowe. bias in simulate. OC ae.osols, like.y due.to the.unde.e.timation of anthropoge.ic OC e.issions and missing tre.tme.t of se.ondary organic carbon. The.re.ults sugge.t that our mode. is a use.ul tool for characte.izing the.anthropoge.ic ae.osol cycle.and for asse.sing its pote.tial climatic and e.vironme.tal e.fe.ts in future.studie..

关键词： re.ional climate.mode.ing anthropoge.ic e.ission sulfate.ae.osol black carbon and organic carbon e.st Asia