搜索结果: 1-15 共查到“知识库 理学 heterogeneity”相关记录52条 . 查询时间(0.109 秒)
New constraints on shergottite petrogenesis from analysis of Pb isotopic compositional space: Implications for mantle heterogeneity and crustal assimilation on Mars
shergottite Pb isotopes Martian geochemistry crustal assimilation mantle heterogeneity
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2017/4/10
Geochemical studies of shergottites (Martian basalts) based on Rb-Sr, Sm-Nd, and Lu-Hf isotopic systematics have
provided clues to understanding the geochemical evolution of the Martian mantle and id...
Quantitative,Directional Measurement of Electric Field Heterogeneity Within an Enzyme Active Site
Quantitative Directional Measurement Electric Field Heterogeneity Enzyme Active Site
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2016/5/25
Extensive structural studies of enzymes have revealed that biological catalysis occurs within sequestered active site crevices, where reacting substrates are surrounded by an anisotropic and chemicall...
Antibody Evolution Constrains Conformational Heterogeneity by Tailoring Protein Dynamics
flexibility nonlinear spectroscopy fluorscein molecular recognition
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2016/5/24
The evolution of proteins with novel function is thought to start from precursor proteins that are conformationally heterogeneous. The corresponding genes may be duplicated and then mutated to select ...
Resistivity and heterogeneity of Earth crust in an active tectonic region,Southern Tuscany (Italy)
crustal exploration magnetotellurics geothermal areas
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2015/9/14
Southern Tuscany, belonging to the inner zone of the Northern Apennines, Italy, is an ideal laboratory for observing the physical features of the lithosphere and their evolution in tectonically active...
Regional mantle heterogeneity regulates melt production along the Réunion hotspot-influenced Central Indian Ridge
ridge-hotspot interaction MORB geochemistry crustal production upper mantle heterogeneity
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2017/4/11
To ascertain factors controlling melt production along a typical distal, ‘hotspot-interacting’ mid-ocean ridge, we investigated
the extent and distribution of both plume-related and plume-unrelated b...
Spatial Heterogeneity of Bacteria: Evidence from Hot Composts by Culture-independent Analysis
Spatial Heterogeneity 16S rRNA Gene Swine Manure Composting)
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2016/5/10
The phylogenetic diversity of the bacteria in hot composting samples collected from three spatial locations was investigated by molecular tools in order to determine the influence of gradient effect o...
Reaction Event Counting Statistics of Biopolymer Reaction Systems with Dynamic Heterogeneity
Reaction Event Counting Statistics Biopolymer Reaction Systems Dynamic Heterogeneity
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2014/9/24
We investigate the reaction event counting statistics (RECS) of an elementary biopolymer reaction in which the rate coefficient is dependent on states of the biopolymer and the surrounding environment...
Evolution of the Solar Nebula. IX. Gradients in the Spatial Heterogeneity of the Short-Lived Radioisotopes $^{60}$Fe and $^{26}$Al and the Stable Oxygen Isotopes
Evolution Solar Nebula IX. Gradients Spatial Heterogeneity Short-Lived Stable Oxygen Isotopes
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2011/9/27
Short-lived radioisotopes (SLRI) such as $^{60}$Fe and $^{26}$Al were likely injected into the solar nebula in a spatially and temporally heterogeneous manner. Marginally gravitationally unstable (MGU...
Control of large 1D networks of double integrator agents: role of heterogeneity and asymmetry on stability margin
Control large 1D networks double integrator agents role heterogeneity asymmetry on stability margin
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2010/11/10
We consider the distributed control of a network of heterogeneous agents with double integrator dynamics to maintain a rigid formation in 1D Euclidean space. The control signal at a vehicle is allowed...
A Bayesian Method for Detecting and Characterizing Allelic Heterogeneity and Boosting Signals in Genome-Wide Association Studies
Bayesian Method Detecting Characterizing Allelic Heterogeneity Boosting Signals Genome-Wide Association Studies
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2010/11/16
The standard paradigm for the analysis of genome-wide association studies involves carrying out association tests at both typed and imputed SNPs. These methods will not be optimal for detecting the si...
Heterogeneity in pre-monsoon aerosol types over the Arabian Sea deduced from ship-borne measurements of spectral AODs
Heterogeneity pre-monsoon aerosol types the Arabian Sea ship-borne measurements spectral AODs
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2010/8/13
Ship-borne sunphotometer measurements obtained in the Arabian Sea (AS) in the pre-monsoon season (18 April–10 May 2006) during a cruise campaign (ICARB) have been used to retrieve the Aerosol Optical ...
Stochastic fields method for sub-grid scale emission heterogeneity in mesoscale atmospheric dispersion models
Stochastic fields method sub-grid scale emission heterogeneity mesoscale atmospheric dispersion models
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2010/1/18
The stochastic fields method for turbulent reacting flows has been applied to the issue of sub-grid scale emission heterogeneity in a mesoscale model. This method is a solution technique for the proba...
Note on the optimality of some two-way elimination of heterogeneity designs
A-efficiency D-efficiency E-efficiency L-efficiency
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2010/9/10
Simple lower bounds for A-, D-, E- and L-efficiency of some twoway elimination of heterogeneity designs are derived. The bounds are obtained on the basis of the eigenvalues of information matrix for t...
Taking the heterogeneity of citizens into account:flood risk communication in coastal cities–a case study of Bremen
heterogeneity of citizens flood risk communication coastal cities
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2009/12/10
The likely manifestations of climate change like flood hazards are prominent topics in public communication. This can be shown by media analysis and questionnaire data. However, in the case of flood r...
Emergence of heterogeneity and political organization in information exchange networks
information exchange networks heterogeneity political organization
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2010/4/8
We present a simple model of the emergence of the division of labor and the development of a system of resource subsidy from an agent-based model of directed resource production with variable degrees ...