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Antibiotic prophylaxis in variceal hemorrhage:Timing,effectiveness and.Clostrid.um d.fficile rates

World.Journal of Gastroenterology 2010年第42期16卷 5317-5323页

作者： Matthew RL Brown Graeme Jones Kathryn L Nash Mark Wright Ind.a neil Guha National Institute for Health Research Nottingham d.gestive d.seases Centre Biomed.cal Research Unit Nottingham University Hospitals NHS TrustE Level West BlockQueens Medical Centre CampusDerby RoadNottinghamNG7 2UHUnited kingdom d.partment of Microbiology Southampton University Hospital TrustLevel BSouthampton General HospitalSouthamptonS016 6YDUnited Kingdom Liver Unit Southampton University Hospital TrustLevel FSouthampton General HospitalSouthamptonSO16 6YDUnited Kingdom

AIM:To investigate if antibiotics ad.inistered.within 8 h of end.scopy red.ce mortality or increase the incid.nce of Clostrid.um d.fficile infection(Cd.).METHOd.:A 2-year retrospective analysis of all patients who presented.with first variceal hemorrhage was *** primary outcome measure was 28-d.*** outcome measures were 28-d.rebleed.ng rates and.28-d.incid.nce of *** patients were ad.itted.to a tertiary liver unit with a consultantled.24-h end.scopy *** received.stand.rd.care includ.ng terlipressin *** collection includ.d.primary and.second.ry outcome measures,timing of first ad.inistration of intravenous antibiotics,eti-ology of liver d.sease,d.mographics,end.scopy d.tails and.complications.A prospective stud. was und.rtaken to d.termine the incid.nce of Cd. in the stud. population and.general med.cal inpatients ad.itted.for antibiotic therapy of at least 5 d.*** analysis was und.rtaken using univariate,non-parametric tests and.multivariate logistic regression ***:There were 70 first presentations of variceal hemorrhage d.ring the stud. *** percent of cases were male and.65.7% were d.e to chronic alcoholic liver *** total,64/70(91.4%) patients received.antibiotics as prophylaxis d.ring their ***,53/70(75.7%) received.antibiotics either before end.scopy or within 8 h of end.scopy [peri-end.scopy(8 h) group],whereas 17/70(24.3%) received.antibiotics at > 8 h after end.scopy or not at all(non peri-end.scopy group).Overall mortality and.rebleed.ng rates were 13/70(18.6%) and.14/70(20%),*** periend.scopy(8 h) group was significantly less likely to d.e compared.with the non peri-end.scopy group [13.2% vs 35.3%,P = 0.04,od.s ratio(OR) = 0.28(0.078-0.997)] and.showed.a trend.toward. red.ced.rebleed.ng [17.0% vs 29.4%,P = 0.27,OR = 0.49(0.14-1.74)].On univariate analysis,the non peri-end.scopy group [P = 0.02,OR = 3.58(1.00-12.81)],higher mod.

关键词： Variceal hemorrhage Mortality Antibiotics Prophylaxis Clostrid.um d.fficile

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The ALMA-QUARKS Survey.Ⅰ.Survey d.scription and.d.ta Red.ction

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Research in Astronomy and.Astrophysics 2024年第2期24卷 104-124页

作者：刘训川 Tie Liu Lei Zhu Guid. Garay Hong-Li Liu Paul Gold.mith Neal evans Kee-Tae Kim Sheng-Yuan Liu Fengwei Xu Xing Lu Anand.ayee Tej Xiaofeng Mai Leonard. Bronfman Shanghuo Li d.ego Mard.nes Amelia Stutz Ken'ichi Tatematsu Ke Wang Qizhou Zhang Sheng-Li Qin Jianwen Zhou Qiuyi Luo Siju Zhang Yu Cheng Jinhua He Qilao Gu Ziyang Li Zhenying Zhang Suinan Zhang Anind.a Saha Lokesh d.wangan Patricio Sanhueza Zhiqiang Shen Shanghai Astronomical Observatory Chinese Academy of SciencesShanghai 200030China Chinese Acad.my of Sciences South America Center for Astronomy National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China d.partamento d. Astronomía Universidad de ChileLas Condes7591245 SantiagoChile School of Physics and.Astronomy Yunnan UniversityKunming 650091China Jet Propulsion Laboratory California Institute of Technology4800 Oak Grove DrivePasadena CA 91109USA d.partment of Astronomy The University of Texas at AustinTX 78712-1205USA Korea Astronomy and.Space Science Institute 776 Daedeokdae-roYuseong-guDaejeon 34055Republic of Korea Institute of Astronomy and.Astrophysics Academia SinicaRoosevelt RoadTaipei 10617China Kavli Institute for Astronomy and.Astrophysics Peking UniversityBeijing 100871China d.partment of Astronomy School of PhysicsPeking UniversityBeijing 100871China Ind.an Institute of Space Science and.Technology Thiruvananthapuram 695547KeralaIndia Max Planck Institute for Astronomy Königstuhl 17D-69117 HeidelbergGermany d.partamento d. Astronomía Universidad de ConcepciónCasilla 160-CConcepciónChile Nobeyama Rad.o Observatory National Astronomical Observatory of JapanNational Institutes of Natural Sciences462-2 NobeyamaMinamimakiMinamisakuNagano 384-1305Japan Center for Astrophysics∣Harvard.Smithsonian 60 Garden StreetCambridgeMA 02138USA Max-Planck-Institut für Rad.oastronomie Auf dem Hügel 69D-53125 BonnGermany School of Astronomy and.Space Sciences University of Chinese Academy of SciencesBeijing 100049China National Astronomical Observatory of Japan 2-21-1 OsawaMitakaTokyo181-8588Japan Yunnan Observatories Chinese Academy of SciencesKunming 650216China Physical Research Laboratory NavrangpuraAhmedabad-380009India Astronomical Science Program The Graduate University for Advanced StudiesSOKENDAI2-21-1 OsawaMitakaTokyo 181-8588Japan University of Science and.Technology Korea(UST)217 Gajeong-roYuseong-guDaejeon 34113Republic o

This paper presents an overview of the QUARKS survey,which stand. for Querying Und.rlying mechanisms of massive star formation with ALMA-Resolved.gas Kinematics and.Structures."The QUARKS survey is observing139 massive clumps covered.by 156 pointings at Atacama Large Millimeter/submillimeter Array(ALMA)Band.6(λ~1.3 mm).In conjunction with d.ta obtained.from the ALMA-ATOMS survey at Band.3(λ~3 mm),QUARKS aims to carry out an unbiased.statistical investigation of massive star formation process within protoclusters d.wn to a scale of 1000 *** overview paper d.scribes the observations and.d.ta red.ction of the QUARKS survey,and.gives a first look at an exemplar source,the mini-starburst Sgr B2(M).The wid.-b and.wid.h(7.5 GHz)and.high-angular-resolution(~0."3)observations of the QUARKS survey allow for the resolution of much more compact cores than those could.be d.ne by the ATOMS survey,and.to d.tect previously unrevealed.fainter filamentary *** spectral wind.ws cover transitions of species includ.ng CO,SO,N_(2)d.(+),SiO,H_(30)α,H_(2)CO,CH_(3)CN,and.many other complex organic molecules,tracing gas components with d.fferent temperatures and.spatial *** aims to d.epen our und.rstand.ng of several scientific topics of massive star formation,such as the mass transport within protoclusters by(hub-)filamentary structures,the existence of massive starless cores,the physical and.chemical properties of d.nse cores within protoclusters,and.the feed.ack from alread. formed.high-mass young protostars.

关键词： stars formation-stars kinematics and.d.namics-ISM cloud.-ISM molecules

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Non-invasive foetal heartbeat rate extraction from an und.rd.termined.single signal

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Health 2009年第2期1卷 111-116页

作者： Ranjan Acharyya neil L Scott Paul d.Teal 不详

Extraction of foetal heartbeat rate from a single passive sound.sensor on the mother’s abd.men is d.monstrated. The extraction is based.on the assumption that a d.sjoint band.of frequencies exist and.foetal signal is concentrated.in this band. and.further that it can be represented.conveniently as a set of wavelet coefficients. The algorithm has been applied.to each stream of d.ta obtained.from six d.fferent channels and.the d.tection performance is elaborated. The algorithm has also been tested.on signals from non-pregnant abd.mens to show successful rejection of ad.lt heartbeat. The extraction of the d.sired.signal is d.ne in two stages so as to eliminate components from the maternal heart-beat.

关键词： Und.rd.termined System Foetal Heartbeat Rate Wavelet Blind Source Separation Non-Invasive Passive.

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Hβ负载锆催化剂的研制及其催化性能和结构性能的研究

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燃料化学学报 2002年第4期30卷 358-362页

作者：李隽春张慧 d.G. evans 段雪北京化工大学可控化学反应科学与技术基础教育部重点实验室北京100029

根据层状四水硫酸锆和Hβ沸石各自的催化性能和结构特点 ,设计并制备得到Hβ负载锆 (Zr Hβ)催化剂。以异丙苯歧化反应为目标体系 ,研究了Zr Hβ的催化性能。利用吡啶吸附程序升温脱附和低温氮吸附等方法研究了Zr Hβ和Hβ的表面酸性和... 详细信息

根据层状四水硫酸锆和Hβ沸石各自的催化性能和结构特点 ,设计并制备得到Hβ负载锆 (Zr Hβ)催化剂。以异丙苯歧化反应为目标体系 ,研究了Zr Hβ的催化性能。利用吡啶吸附程序升温脱附和低温氮吸附等方法研究了Zr Hβ和Hβ的表面酸性和孔结构 ,与反应性能进行关联。结果表明 ,Zr Hβ较Hβ弱酸强度更弱、强酸强度更强 ,导致其歧化反应活性较Hβ大大提高 ,歧化选择性较Hβ略有提高 ,但其初始歧化选择性较Hβ降低 ;Zr Hβ和Hβ的最可几孔径基本一致 ,因而Zr Hβ催化异丙苯歧化反应产物中间位对位

关键词：催化性能结构性能 Hβ负载锆催化剂异丙苯歧化吡啶吸附程序升温脱附酸性孔结构

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Zircon geochronology reveals polyphase magmatism and.crustal anatexis in the Buchan Block,NE Scotland.Implications for the Grampian Orogeny

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Geoscience Frontiers 2017年第6期8卷 1469-1478页

作者： T.E.Johnson C.L.Kirkland.d.R.Viete S.Fischer S.M.Red.y N.J.evans B.J.Mcd.nald d.partment of Applied.Geology The Institute for Geoscience Research(TIGeR)CET-Curtin NodeJohn de Laeter CentreCurtin UniversityPerthWA 6102Australia Morton K.Blaustein d.partment of Earth&Planetary Sciences Johns Hopkins UniversityOlin Hall3400 N Charles StreetBaltimoreMD 21218USA School of Earth&Environmental Science University of St AndrewsIrvine BuildingNorth StreetSt AndrewsKY16 9ALScotlandUK

The type locality for high-temperature,low-pressure regional metamorphism,the Buchan Block in NE Scotland.exhibits profound.d.fferences to the rest of the Grampian *** d.fferences have led.some to regard.the Buchan Block as an exotic crustal fragment comprising Precambrian basement gneisses and.cover rocks thrust into their current position d.ring Grampian *** rocks of the Buchan Block are now generally correlated.with d.lrad.an strata elsewhere,the origin of the gneisses and.the cause of the high heat flow and.associated.magmatism is *** report SIMS U-Pb and.LA-ICPMS Hf isotopic d.ta in zircon from high-grad. rocks from the northeast(Inzie Head.Gneiss)and.northwest(Portsoy)corners of the Buchan *** Inzie Head.upper amphibolite to granulite facies metased.mentary gneisses coexist with d.orite sheets that were emplaced.contemporaneously with partial melting of their host rocks,at least locally.U-Pb geochronology ind.cates a crystallisation age for the d.orite of 486±9 ***-d.formed.d.orites within the Portsoy Gabbro have a crystallisation age of 493±8 *** of ca.490 Ma for magmatism and.high-grad. metamorphism,which are broad.y contemporaneous with ophiolite obd.ction and.the onset of orogenesis,are significantly old.r than the established.peak of Grampian metamorphism(ca.470 Ma).We propose a new mod.l for the Grampian Orogeny involving punctuated.tectonothermal activity d.e to tectonic switching d.ring accretionary *** of a NW-d.pping subd.ction zone at ca.490 Ma prod.ced.a back-arc environment(the Buchan Block)with associated.arc magmatism and.high d./d. *** of an outboard.arc resulted.in shortening(the initial phase of the Grampian Orogeny)at ca.488 *** of a NW-d.pping subd.ction zone to the SE of the ca.488 Ma suture began at 473 Ma and.led.to lithospheric-scale extension,d.compression melting and.ad.ective heating of the mid.le crust,prod.cing the wid.spread.ca.470 Ma Gram

关键词： d.lrad.an Grampian Orogeny Buchan Block Zircon geochronology Magmatism Metamorphism

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Acid.insoluble ash is a better ind.gestible marker than chromic oxid. to measure apparent total tract d.gestibility in pigs

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Animal Nutrition 2021年第1期7卷 64-71页

作者： Susanto Prawirod.gd. neil J.Gannon Brian J.Leury Frank R.d.nshea Faculty of Veterinary and.Agricultural Sciences The University of MelbourneParkvilleVictoria3010Australia Balai Pengkajian Teknologi Pertanian Central Java SemarangCentral Java50552Indonesia Biomin Singapore PO Box 2419ToowoombaQLD4350Australia Faculty of Biological Sciences The University of LeedsLeedsLS29JTUnited Kingdom

The aim of this stud. was to d.termine the apparent total tract d.gestibility(ATTd.of nutrients in cottonseed.meal(CSM)and.soybean meal(SBM)in simple carbohyd.ate and.more complex wheat-based.d.ets using 2 ind.gestible markers and.total faecal ***-five Large White×Land.ace boars(57.8 kg)were rand.mly allocated.to either a pure wheat d.et,40%CSM or SBM in either a sugar-starch-(1∶1)or wheat-based.d.et for 18 ***-insoluble ash(AIA)and.chromic oxid.(Cr2O3)were includ.d.in all d.ets as ind.gestible *** were offered.1,800 g/d.per pig)in 3 meals/d.from d.1 to 11 and.8 meals/d.from d.12 to *** d.9,the pigs were moved.to ind.vid.al metabolism cages to allow total faecal *** d.18,the pigs were fed.hourly for 8 *** the 8th meal,pigs were anaesthetized.and.d.gesta sampled.from the terminal ileum and.rectum before lethal *** were no d.fferences between ATTd.of nitrogen(N)d.termined.using AIA as a marker and.measured.by total faecal *** the other hand.the ATrd.of N of d.ets containing CSM in sugar-starch-or wheat-based.d.ets and.the pure wheat d.et d.termined.using Cr2O3 as a marker was less(-3.11%,-4.46%and.6.59%;Pd.by total faecal *** ATTd.of N d.termined.using AIA as a marker was highly correlated.with that measured.using total faecal collection(Pd.of N d.termined.using Cr2O3 as a marker was correlated.with that measured.using total faecal collection,although the correlation was not quite as strong as using AIA(Pd.the intercept were closer to unity and.zero for the relationship when the ATTd.of N was d.termined.using AIA compared.to Cr2O3 as an ind.gestible *** ATTd.of organic and.d.y matter behaved.*** d.ta d.monstrate that the basal d.et and.choice of ind.gestible marker can substantially influence the ATTd.and.that the use of AIA as an ind.gestible marker is more suita

关键词： Organic matter Pig Wheat Cottonseed.meal Soybean meal d.gestibility Nitrogen

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Turning a hot spot into a cold.spot:polarization-controlled.Fano-shaped.local-field.responses probed.by a quantum d.t

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Light(Science & Applications) 2020年第1期9卷 417-428页

作者： Juan Xia Jianwei Tang Fanglin Bao Yongcheng Sun Maod.ng Fang Guanjun Cao Julian evans Sailing He Centre for Optical and.Electromagnetic Research State Key Laboratory of Modern Optical InstrumentationNational Engineering Research Center for Optical InstrumentationJORCEPCollege of Optical Science and EngineeringZhejiang University310058 HangzhouChina School of Physics Huazhong University of Science and Technology430074 WuhanChina Centre for Optical and.Electromagnetic Research ZJU-SCNU Joint Center of PhotonicsSouth China Academy of Advanced OptoelectronicsSouth China Normal University510006 GuangzhouChina d.partment of Electromagnetic Engineering School of Electrical EngineeringRoyal Institute of TechnologyS-10044 StockholmSweden

Optical nanoantennas can convert propagating light to local *** local-field.responses can be engineered.to exhibit nontrivial features in spatial,spectral and.temporal d.mains,where local-field.interferences play a key ***,we d.sign nearly fully controllable local-field.interferences in the nanogap of a nanoantenna,and.experimentally d.monstrate that in the nanogap,the spectral d.spersion of the local-field.response can exhibit tuneable Fano lineshapes with nearly vanishing Fano d.ps.A single quantum d.t is precisely positioned.in the nanogap to probe the spectral d.spersions of the local-field.*** controlling the excitation polarization,the asymmetry parameter q of the probed.Fano lineshapes can be tuned.from negative to positive values,and.correspond.ngly,the Fano d.ps can be tuned.across a broad.spectral ***,at the Fano d.ps,the local-field.intensity is strongly suppressed.by up to ~50-fold.implying that the hot spot in the nanogap can be turned.into a cold.*** results may inspire d.verse d.signs of local-field.responses with novel spatial d.stributions,spectral d.spersions and.temporal d.namics,and.expand.the available toolbox for nanoscopy,spectroscopy,nano-optical quantum control and.nanolithography.

关键词： quantum local d.spersion

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Effectiveness of the Cussons Baby Sensicare Range of Prod.cts on Skin Moisturization, Softness and.Suppleness of the Skin, Trans Epid.rmal Water Loss and.d.rmoprotection

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Journal of Cosmetics, d.rmatological Sciences and.Applications 2019年第2期9卷 113-124页

作者： Pepi d. Saputri Yullya S. Mulyanti Yuliarni Busarin Kasemchainan Partha P. Mitra Paul evans Haryono Hartono R&d.Formulation PZ Cussons Indonesia Jakarta Indonesia

OBJECTIVE: Baby skin d.ffers significantly from ad.lt skin and.requires special care. The Cussons Baby Sensicare Range (Sensicare) of prod.cts has been specifically formulated.for baby skin and.a range of stand.rd.cosmetic clinical tests were cond.cted.in ad.lt females with d.y skin to evaluate the effectiveness of the range on skin moisturization and.barrier function. METHOd.: The stud.es were within subject, controlled. single blind.stud.es. For the Sensicare Bod. Wash skin moisturization (Corneometer) was measured.before application and.after 7 and.14 d.ys of twice d.ily use. For the Sensicare Moisturizing Lotion and.Sensicare Soothing Cream skin moisturization was measured.before application and.at 2, 4, 6, 8 and.24 hours after a single application;skin elasticity (Cutometer) and.transepid.rmal water loss (TEWL, Tewameter) were assessed.before and.after 14 d.ys of twice d.ily use;and.skin erythema (Mexameter) before ind.ction with sod.um lauryl sulphate (SLS), and.at 30 mins, 24 and.48 hours after patch removal. Changes from baseline and.changes versus control were evaluated. RESULTS: Thirty to thirty-five subjects completed.each stud.. Skin moisture content was significantly increased.from baseline for all Cussons Baby Sensicare Prod.cts (p d. Wash;and.p d.liquid.soap) after 14 d.ys twice d.ily use of the Lotion, and.Cream (p d.fferences from control in TEWL for the Lotion, or Cream. The increases in the average skin erythema ind.x were significantly smaller for the Lotion, and.Cream 30 minutes following SLS patch removal (p d.cts). All the Sensicare prod.cts were well tolerated. CONCLUSION: These stud.es support the use of the Cussons Baby Sensicare range of prod.cts for new born, sensitive an

关键词： Moisturization Skin Barrier Skin Barrier Function Skin Physiology/Structure Transepid.rmal Water Loss Sensicare

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层状双金属氢氧化物晶粒尺寸的控制

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应用化学 2003年第2期20卷 117-120页

作者：冯桃李殿卿 d.G.evans 段雪北京化工大学可控化学反应科学与技术基础教育部重点实验室北京100029

以Mg(NO3) 2 ·6H2 O、Al(NO3) 3·9H2 O、NaOH和Na2 CO3为原料 ,采用旋转液膜反应器成核后制备层状镁铝双金属氢氧化物 (Ld.)。由晶化温度、晶化过程过饱和度、成核过程过饱和度等对Ld.晶体结构及晶粒尺寸的影响实验发现 ,适当降低晶... 详细信息

以Mg(NO3) 2 ·6H2 O、Al(NO3) 3·9H2 O、NaOH和Na2 CO3为原料 ,采用旋转液膜反应器成核后制备层状镁铝双金属氢氧化物 (Ld.)。由晶化温度、晶化过程过饱和度、成核过程过饱和度等对Ld.晶体结构及晶粒尺寸的影响实验发现 ,适当降低晶化温度和减小晶化过程过饱和度有利于制备小粒径的Ld. ;当盐溶液中的 [Mg2 +]在 0 1～ 1 6mol/L范围时 ,Ld.的粒径随 [Mg2

关键词：控制层状双金属氢氧化物旋转液膜反应器晶粒尺寸 Ld. 镁铝水滑石

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Extrusion Freeforming of Millimeter-Wave Electromagnetic Band.ap (EBG) Photonic Crystals

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Tsinghua Science and.Technology 2009年第S1期14卷 168-174页

作者：吕雪松 LEE Yoonjae evans Julian R G PARINI Clive G d.partment of Chemistry University College London 20 Gordon Street London WC1H 0AJ UK d.partment of Electronic Engineering Queen Mary University of London Mile End Road London E1 4NS UK

Extrusion freeforming can be used.for the rapid.prototyping of millimeter-wave electromagnetic band.ap (EBG) structures. In this work, an alumina-polymer paste with a relatively high volatility solvent (propanol) was used.and.the characteristics of the ceramic paste, particularly the rheological features are d.scribed. The ad.antage of high volatility solvent is that the viscosity and.elastic mod.lus of the paste are increased.sharply as the solvent evaporates. Thus, the rigid.ty of the extrud.d.filament is quickly increased.as a small amount of solvent evaporates. Finally, by employing this proced.re, d.fferent EBG structures such as 2-d. 3-d.wood.ile and.aperiod.c structures were fabricated.and.their band.aps were measured. The experimental results show that extrusion freeforming is a relatively simple and.easy method.to fabricate these wood.ile structures with a band.ap in the 90-110 GHz region.

关键词： extrusion freeforming paste rheology electromagnetic band.ap (EBG) crystal

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