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Climate change effects on rangelands and rangeland management:affirming the need for monitoring

Ecosystem Health and Sustainability 2017年第3期3卷 1-14页

作者： Daniel W.McCollum John A.Tanaka Jack A.Morgan John E.Mitchell William E.Fox Kristie A.Maczko Lori Hidinger Clifford S.Duke urs P.Kreuter Rocky Mountain Research Station USDAForest Service240 W.Prospect RoadFort CollinsColorado 80526 USA James C.Hageman Sustainable Agriculture Research and Extension Center University of WyomingDept 33541000 E.University AvenueLaramieWyoming 82071 USA USDA ARS Rangelands Resources Research Unit8408 Hildreth RoadCheyenneWyoming 82009 USA Texas A&M AgriLife Research Ecosystem Science&Management720 E.Blackland RoadTempleTexas 76502 USA Consortium for Science Policyand OutcomesArizona State UniversityPO Box 875603TempeArizona 85287 USA Ecological Society of America 1990 M StreetNWSuite 700WashingtonD.C.20036 USA Ecosystem Science and Management Texas A&M University2138 TAMUCollege StationTexas 77843 USA

Uncertainty as to the extent and magnitude of changes in conditions that might occur due to climate change poses a problem for land and resource managers as they seek to adapt to changes and mitigate effects of climate *** illustrate using scenarios of projected future conditions on rangelands in the Northern Great Plains and Desert Southwest of the United *** two regions are different in the ways climate change is projected to affect the *** of a longer and warmer growing season in the Northern Great Plains could lead to increased forage production and land *** uncertain effects on summer monsoons that primarily control rangeland productivity in the Desert Southwest,combined with the possibility of more intense and/or frequent drought events,could present land managers with challenges stemming from decreased forage production and land *** projections,though uncertain,provide land managers with basic insight into future conditions they might *** need more.A focus on vulnerability and resilience,with explicit recognition of interactions between ecological and socio-economic factors,coupled with systematic monitoring and assessment of observable conditions on the land to supplement information based on climate projections,will more effectively provide critical and specific information managers need to adaptively manage rangelands under uncertain climate futures.

关键词： adaptive management climate change indicators monitoring rangelands resilience uncertainty vulnerability

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自动控制钢件表面层的渗碳方法

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铸锻热 1981年第2期 13-22页

作者： urs Wyss

本发明是关于钢件表面渗碳的,也是本人于1961年1用13日所发明的专利№116781的继续,但那个专利现在已经废弃了。钢件在适当气氛中的渗碳方法,即众所周知并在很多方面得到应用的气体渗碳方法很多。但是,归根到底,已经知道的方法主要有以... 详细信息

本发明是关于钢件表面渗碳的,也是本人于1961年1用13日所发明的专利№116781的继续,但那个专利现在已经废弃了。钢件在适当气氛中的渗碳方法,即众所周知并在很多方面得到应用的气体渗碳方法很多。但是,归根到底,已经知道的方法主要有以下三种。 (a)渗碳气氛是在特殊的气体发生炉里产生的,然后或者将适合需要的气体成分

关键词：渗碳甲醇气体成分表面硬化一元醇渗碳气氛碳势控制自动控制钢件流体层表面层

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Survival of eclogite xenolith in a Cretaceous granite intruding the Central Dabieshan migmatite gneiss dome(Eastern China) and its tectonic implications

Survival of eclogite xenolith in a Cretaceous granite intrud...

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中国科学院地质与地球物理研究所2006学术年会

作者： MASAKI ENAMI MICHEL FAURE urs SCHRER NICOLAS ARNAUD State Key Laboratory of Lithospheric Evolution Institute of Geology and GeophysicsChinese Academy of Sciences

Investigation of an eclogite xenolith discovered in a Cretaceous granite from the Central Domain of the Dabieshan massif in eastern China yields new petrological insights on the high to ultrahigh-pressure metamorphism experienced by the Qinling-Dabie *** to inclusion as a xenolith in the granite during the Early Cretaceous,this eclogite xenolith had recorded a complex metamorphic evolution that complies with subduction and exhumation processes experienced by the continental crust of the South China ***- preserved mineral parageneses substantiate the prograde and retrograde stages revealed by inclusions in porphyroblastic garnet and zoned minerals such as garnet,omphacite and amphibole in the matrix. The relatively low P/T re- equilibration during a late metamorphic stage was textually inferred by the presence of aluminous and calcic-subcalcic amphiboles such as katophorite,edenite,taramite and pargasite as main matrix *** to our U/Pb,Rb/Sr and new 40Ar/39Ar geochronological results,namely 109±1 Ma and 112±2 Ma plateau ages for muscovite and amphiboles,respectively,two successive but distinct cooling stages account for the thermal history of the granite- migmatite gneiss dome that forms the Central Dabieshan *** argue that prior to the Cretaceous doming,the Central Dabieshan Domain experienced a tectono-metamorphic evolution similar to that observed in the high-pressure to ultra high-pressure units developed in the Southern Dabieshan Domain and Hong ’an massif.

关键词： Eclogite xenolith Mesozoic granite Radiometric ages Exhumation model Dabieshan China

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Mesozoic Extensional Tectonics in Eastern Asia:The South Liaodong Peninsula Metamorphic Core Complex(NE China)

Mesozoic Extensional Tectonics in Eastern Asia:The South Lia...

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中国科学院地质与地球物理研究所2008学术年会

作者： Michel Faure Patrick Monie urs Scharer Dominique Panis Institut des Sciences de la Terre d'Orleans Centre National de la Recherche Scientifique(CNRS) Unite Mixte de Recherche(UMR) 6113Batiment GeosciencesUniversite d'OrleansF45067 Orleans Cedex 2France. Geochronologie Geosciences Azur CNRS UMR 6526Universite Nice-Sophia Antipolisparc ValroseF-06108 NiceFrance.

In the North China block,the south Liaodong Peninsula massif is an elliptical metamorphic core complex(MCC) with a long axis trending *** cross-section view,it is asymmetric,with a steeply dipping northwestern flank and a gently dipping southeastern *** consists of three lithotectonic units:a gneissic migmatite unit,a Paleo-to Meso-Proterozoic micaschist-slate unit,and a Neoproterozoic to Mesozoic sedimentary *** deformation events related to extensional tectonics are distinguished in the study area:D is a ductile deformation related to the exhumation of the MCC;the following event,D,corresponds to the development of recumbent folds formed during the early exhumation of the MCC;and the youngest event,D,corresponds to brittle normal faulting that controlled the opening of a Cretaceous continental half-graben basin.A pre-D event characterized as northward verging is interpreted as the result of N-S shortening that occurred in the Late Triassic during the final stages of the collision between the North and South China *** ductile and brittle structures were developed coevally,with synkinematic plutonism and formation of *** Ar/Ar and U/Pb Cretaceous ages obtained from the mylonitic granodiorite,gneissic migmatite,orthogneiss,and granite indicate that the south Liaodong Peninsula MCC is contemporaneous with other Cretaceous extensional structures,such as numerous syntectonic plutons bounded by ductile normal faults,MCC,and half-graben basins,described in eastern *** the several hypotheses proposed to account for the Mesozoic extension along the eastern margin of Eurasia,lithosphere convective removal appears to be the most likely.

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An Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry Method for the Quantification of Vancomycin Requiring Only 2 μL of Rabbit Serum

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American Journal of Analytical Chemistry 2017年第9期8卷 553-563页

作者： Veronika Schmitt Andras Szeitz Tara L.klassen urs O.Hafeli Faculty of Pharmaceutical Sciences The University of British ColumbiaVancouverCanada

A highly sensitive ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method was developed for the quantification of vancomycin (VAN) in low volumes of rabbit serum. For each analysis, 2 μL rabbit serum was precipitated with methanol that contained the internal standard teicoplanin (TEI). The supernatant was transferred into a 384 well-plate, diluted with water, covered with a pierceable silicone mat and 5 μL was analyzed in positive ionization mode. The UHPLC-MS/MS consisted of an Agilent 1290 Infinity UHPLC system connected to an AB Sciex QTrap®5500 hybrid linear ion-trap triple quadrupole mass spectrometer equipped with a Turbo Spray source. Chromatographic separation was achieved using a Waters Acquity UPLC BEH C18 (1.7 μm, 2.1 mm × 100 mm) column, a VanGuard (1.7 μm, 2.1 × 5 mm) guard column and a mobile phase of water and methanol both containing 5 mM ammonium acetate with 0.1% formic acid. VAN was quantified with multiple reaction monitoring using the transitions of m/z 725.5/144.2, and TEI was monitored at m/z 940.6/316.4. The accuracy, precision, linearity, range and lower limit of quantification (LLOQ) were determined. The accuracy was ≤9.93% and the precision was ≤10.6%. The range was established as 0.1 to 40 μg·mL-1. The LLOQ was 0.1 μg·mL-1 VAN requiring 2 μL of sample with an accuracy of -20.2% and precision of 8.39%. The method was applied successfully to determine the VAN concentrations in rabbit serum after the i.v. administration of VAN via implanted ear catheters.

关键词： Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry Vancomycin Rabbit Serum Pharmacokinetics

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大别山的构造变形期次和超高压岩石折返的动力学

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地质学报 2003年第1期77卷 44-54,T003页

作者：林伟王清晨 Michel Faure 孙岩舒良树 urs Scharer 中国科学院地质与地球物理研究所 Dept des Science de la Terre University d'Orleans UMR 6530 Orleans France 南京大学地球科学系 Laboratoire de Geochronologie Universite Paris 7 and IPG-Paris Paris75251France

从构造关系上看,大别山可分为南部,中部和北部3个构造系统。大别山南部构造系统为一套(原地)构造堆叠系统(相对的),从上到下依次为:①未变质的震旦纪—早三叠世沉积盖层,它被造山后的侏罗—白垩纪砂-砾岩不整合覆盖;②弱变质的新元古代... 详细信息

从构造关系上看,大别山可分为南部,中部和北部3个构造系统。大别山南部构造系统为一套(原地)构造堆叠系统(相对的),从上到下依次为:①未变质的震旦纪—早三叠世沉积盖层,它被造山后的侏罗—白垩纪砂-砾岩不整合覆盖;②弱变质的新元古代板岩;③高压变质岩系(宿松群),这些变质岩系大多退变质为绿片岩相;④含柯石英榴辉岩超高压变质单元的异地系统;⑤未经历超高压变质作用的原地(相对的)片麻岩系。北西-南东向的拉伸线理在各个地质单元均有表现。从动力学上看,上盘指向NW的剪切运动被后期的褶皱所改变。大别山中部为(混合岩)热穹窿改造系统,系经历了超高压变质作用的地体叠加了混合岩化作用的产物,它与超高压变质地体的界限为一拆离断层,而正是这个拆离断层使超高压变质地体向地表折返并经历了角闪岩相的退变质作用。大别山北部为构造堆叠系统,早期的面理和南北向的挤压线理被轴面北倾的褶皱所改造,这种褶皱对应于大别山中部同折返期的韧性变形的隆升构造。同时建立了地球动力学模型并讨论了逆冲作用和正断层的作用。

关键词：大别山伸展构造变形折返过程运动学动力逆冲作用正断层变质岩

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Survival of eclogite xenolith in a Cretaceous granite intruding the Central Dabieshan migmatite gneiss dome(Eastern China) and its tectonic implications

Survival of eclogite xenolith in a Cretaceous granite intrud...

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中国科学院地质与地球物理研究所2007学术年会

作者： Masaki Enami Michel Faure urs Schrer Nicolas Arnaud Department of Earth and Planetary Sciences Nagoya University Chikusa-kuNagoya 464-8602Japan Institut des Sciences de la Terre d'Orleans Universite d'Orleans 45067 Orleans Cedex 2France UMR Geosciences Azur Universite Nice-Sophia Antipolis parc ValroseNiceFrance UMR Dylith Universite de Montpellier Ⅱ 34060 Montpellier Cedex 5France

Investigation of an eclogite xenolith,discovered in a Cretaceous granite from the Central Domain of the Dabieshan massif in eastern China, yields new petrological insights into the high to ultrahigh -pressure metamorphism,experienced by the Qinling-Dabie *** to inclusion as a xenolith in the granite during the Early Cretaceous,this eclogite xenolith had recorded a complex metamorphic evolution that complies with subduction and exhumation processes experienced by the continental crust of the South China ***-preserved mineral parageneses substantiate the prograde and retrograde stages revealed by inclusions in porphyroblastic garnet and zoned minerals such as garnet,omphacite and amphibole in the *** relatively low P/T re-equilibration during a late metamorphic stage was textually inferred by the presence of aluminous and calcic-subcalcic amphiboles such as katophorite,edenite,taramite and pargasite as main matrix *** to our U/Pb,Rb/Sr and new Ar/Ar geochronological results,namely109±1 and 112±2 Ma plateau ages for muscovite and amphiboles,respectively,two successive but distinct cooling stages account for the thermal history of the granite-migmatite gneiss dome that forms the Central Dabieshan *** argue that prior to the Cretaceous doming,the Central Dabieshan Domain experienced a tectono-metamorphic evolution similar to that observed in the high-pressure to ultra high-pressure units developed in the Southern Dabieshan Domain and Hong’an massif.

关键词： Eclogite xenolith Mesozoic granite Radiometric ages Exhumation model Dabieshan China

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