搜索结果: 136-150 共查到“理学 Dynamics”相关记录1123条 . 查询时间(0.28 秒)
DYPTOP: a cost-efficient TOPMODEL implementation to simulate sub-grid spatio-temporal dynamics of global wetlands and peatlands
global wetlands peatlands
2014/12/19
Simulating the spatio-temporal dynamics of inundation is key to understanding the role of wetlands under past and future climate change. Earlier modelling studies have mostly relied on fixed prescribe...
Molecular-dynamics Simulations of Stacking-fault-induced Dislocation Annihilation in Pre-strained Ultrathin Single-crystalline Copper Films
Molecular dynamics dynamic deformation metal structure
2014/12/19
We report results of large-scale molecular-dynamics (MD) simulations of dynamic deformation under biaxial tensile strain of pre-strained single-crystalline nanometerscale- thick face-centered cubic (f...
Collective dynamics of interacting Ising spins: Exact results for the Bethe lattice
Low temperature dynamic molecules magnet crystal electron spin ground state electronic since the gyration mechanics coupling nuclear
2014/12/19
We study the low temperature dynamics in films made of molecular magnets, i. e. crystals composed of molecules having large electronic spin S in their ground state. The electronic spin dynamics is med...
Long residence times of rapidly decomposable soil organic matter: application of a multi-phase, multi-component, and vertically resolved model (BAMS1) to soil carbon dynamics
Long residence times rapidly decomposable soil organic matter multi-phase multi-component vertically resolved model soil carbon dynamics
2014/12/19
Accurate representation of soil organic matter (SOM) dynamics in Earth system models is critical for future climate prediction, yet large uncertainties exist regarding how, and to what extent, the sui...
A reduced-order modeling approach to represent subgrid-scale hydrological dynamics for land-surface simulations: application in a polygonal tundra landscape
reduced-order modeling represent subgrid-scale hydrological dynamics
2014/12/19
Existing land surface models (LSMs) describe
physical and biological processes that occur over a wide
range of spatial and temporal scales. For example, biogeochemical and hydrological processes res...
Modeling radiocarbon dynamics in soils: SOILR version 1.1
soils Modeling radiocarbon dynamics
2014/12/19
Radiocarbon is an important tracer of the global
carbon cycle that helps to understand carbon dynamics in
soils. It is useful to estimate rates of organic matter cycling as
well as the mean residen...
Ice sheet dynamics within an earth system model: downscaling, coupling and first results
earth system model downscaling
2014/12/19
We present first results from a coupled model
setup, consisting of the state-of-the-art ice sheet model
RIMBAY (Revised Ice Model Based on frAnk pattYn), and
the community earth system model ...
Geometric symmetries in superfluid vortex dynamics
Quantization vortex line fluid dynamics fluid flow vortex dynamics
2014/12/18
Dynamics of quantized vortex lines in a superfluid feature symmetries associated with the geometric character of the complex-valued field, w(z)=x(z)+iy(z), describing the instant shape of the line. Al...
RIMBAY – a multi-approximation 3D ice-dynamics model for comprehensive applications: model description and examples
a multi-approximation comprehensive applications
2014/12/18
Glaciers and ice caps exhibit currently the largest
cryospheric contributions to sea level rise. Modelling the dynamics and mass balance of the major ice sheets is therefore
an important issue to in...
Using model reduction to predict the soil-surface C18OO flux: an example of representing complex biogeochemical dynamics in a computationally efficient manner
Using model reduction predict the soil-surface C18OO flux representing complex biogeochemical dynamics computationally efficient manner
2014/12/16
Earth system models (ESMs) must calculate large-scale interactions between the land and atmosphere while accurately characterizing fine-scale spatial heterogeneity in water, carbon, and other nutrient...
PEATBOG: a biogeochemical model for analyzing coupled carbon and nitrogen dynamics in northern peatlands
analyzing coupled carbon nitrogen dynamics
2014/12/12
Elevated nitrogen deposition and climate change
alter the vegetation communities and carbon (C) and nitrogen (N) cycling in peatlands.
A hybrid Eulerian–Lagrangian numerical scheme for solving prognostic equations in fluid dynamics
A hybrid Eulerian–Lagrangian numerical scheme solving prognostic equations
2014/12/12
A new hybrid Eulerian–Lagrangian numerical
scheme (HEL) for solving prognostic equations in fluid dynamics is proposed. The basic idea is to use an Eulerian as
well as a fully Lagrangian repre...
Receptor clusters and dynamics in kinase regulation in bacterial chemotaxis
Signal transduction bacterial chemotaxis systems membrane membrane protein cytoplasmic form complex signaling proteins
2014/12/11
Signal transduction in bacterial chemotaxis system is mediated by a family of transmembrane proteins that are clustered in the membrane and form noncovalent complexes with cytoplasmic signaling protei...
Microtubule dynamics and behavior during the assembly and disassembly of mammalian mitotic spindles
Mitosis cytoskeleton element movement protein cells genome microtubules biological polymer
2014/12/11
The mitotic apparatus is composed of a complex, seemingly chaotic, but wonderfully organized compilation of cytoskeletal elements and motor proteins. Its task is to assure that each daughter cell rece...
Organization and dynamics of actin and myosin during cytokinesis in mammalian epithelial cells
Cytokinesis separation of cell division biological process actin polymer structure myosin
2014/12/11
Cytokinesis, the process of physically separating cells for division, requires the precise orchestration of numerous physical, mechanical, chemical and biological processes. For these processes to fun...