搜索结果: 1-15 共查到“理学 STEPS”相关记录32条 . 查询时间(0.015 秒)
Study illuminates fate of marine carbon in last steps toward sequestration
fate marine carbon last steps toward sequestration
2017/5/16
The ocean sequesters massive amounts of carbon in the form of “dissolved organic matter,” and new research explains how an ancient group of cells in the dark ocean wrings the last bit of energy from c...
Spatially Selective Manipulation of Supported Bilayers by Laminar Flow:Steps Toward Biomembrane Microfluidics
chimeric plasmid interleukin-4 interleukin-10 poly[alpha-(4-aminobutyl)-L-glycolic acid] (PAGA) type I diabetes
2016/5/24
The ability to manipulate supported lipid bilayers after formation on a substrate has made possible new classes of both molecular and cellular level experiments. In this report, we combine the unique ...
Early Steps of Supported Bilayer Formation Probed by Single Vesicle Fluorescence Assays
Adsorption Diffusion Lipid Bilayers Lipid Bilayers Liposomes Membrane Fluidity Membrane Fusion Membranes,Artificial Microscopy,Fluorescence,Multiphoton Motion Phosphatidylcholines Phosphatidylserines Xanthenes
2016/5/24
We have developed a single vesicle assay to study the mechanisms of supported bilayer formation. Fluorescently labeled, unilamellar vesicles (30-100 nm diameter) were first adsorbed to a quartz surfac...
Effects of Applied Electric Fields on the Quantum Yields for the Initial Electron Transfer Steps in Bacterial Photosynthesis:II.Dynamic Stark Effect
Applied Electric Fields Quantum Yields Initial Electron Transfer Steps Bacterial Photosynthesis Dynamic Stark Effect
2016/5/23
The quantum yield of the initial charge separation steps in bacterial photosynthetic reaction centers has been shown to be reduced in an applied electric field [Part I, Lao et al., J. Phys. Chem. 97 (...
Effects of Applied Electric Fields on the Quantum Yields of the Initial Electron-Transfer Steps in Bacterial Photosynthesis.1.Quantum Yield Failure
Applied Electric Fields Quantum Yields Initial Electron-Transfer Steps Bacterial Photosynthesis.1.Quantum
2016/5/23
The effect of an applied electric field has been measured for the quantum yield of formation of the P[sup +]H[sup [minus]], P[sup +]Q[sub A][sup [minus]], and [sup 3]P states of nonoriented Rb. sphaer...
CONTINUUM RELAXATION OF INTERACTING STEPS ON CRYSTAL SURFACES IN 2+1 DIMENSIONS
crystal surface epitaxial growth morphological evolution Burton–Cabrera–Frank model Ehrlich–Schwoebel barrier entropic interactions elastic dipole interactions step chemical potential continuum limit surface mobility
2015/10/16
We study the relaxation of crystal surfaces in 2+1 dimensions via the motion ofinteracting atomic steps. The goal is the rigorous derivation of the continuum limit. The starting point is a discrete sc...
KINETIC HIERARCHIES AND MACROSCOPIC LIMITS FOR CRYSTALLINE STEPS IN 1+1 DIMENSIONS
kinetic theory epitaxial growth crystal surface Burton–Cabrera–Frank model particle system Bogoliubov–Born–Green–Kirkwood–Yvon hierarchy closure evaporation-condensation surface diffusion correlation function step chemical potential macroscopic limit propagation of chaos
2015/10/16
We apply methods of kinetic theory to study the passage from particle systems to nonlinear partial differential equations (PDEs) in the context of deterministic crystal surface relaxation. Starting wi...
From crystal steps to continuum laws:Behavior near large facets in one dimension
Crystal surface Epitaxial relaxation Self-similar solution Burton–Cabrera–Frank (BCF) model Facet Macroscopic limit
2015/10/16
The passage from discrete schemes for surface line defects (steps) to nonlinear macroscopic laws for crystals is studied via formal asymptotics in one space dimension. Our goal is to illustrate by exp...
From atoms to steps:The microscopic origins of crystal evolution
Burton–Cabrera–Frank theory Solid-on-solid model Non-equilibrium statistical mechanics
2015/10/16
The Burton–Cabrera–Frank (BCF) theory of crystal growth has been successful in describing a wide range of phenomena in surface physics. Typical crystal surfaces are slightly misoriented with respect t...
Researchers Take First Steps to Create Biodegradable Displays for Electronics
Researchers Biodegradable Displays for Electronics
2015/10/15
Americans, on average, replace their mobile phones every 22 months, junking more than 150 million phones a year in the process. When it comes to recycling and processing all of this electronic waste, ...
Following the steps of Spanish Mathematical Analysis:From Cauchy to Weierstrass between 1880 and 1914
Spanish Mathematical Analysis Cauchy Weierstrass 1880 and 1914
2015/3/26
Following the steps of Spanish Mathematical Analysis:From Cauchy to Weierstrass between 1880 and 1914.
Discrete Steps In The Entry Pathway And Disassembly Of SV40
Biological sciences Entry pathway Brdu Disassembly Genome Sv40
2015/1/28
Almost all DNA viruses must deliver their genomes to the nucleus in order to initiate infection. The route by which they accomplish that goal varies greatly and in many cases is not well characterized...
Isotopic invisibility of protozoan trophic steps in marine food webs
A plain Marine food web
2014/10/16
According to modern oceanographic perspectives that emphasize microbial pathways, phagotrophic protists
comprise one to several levels of intermediate consumers between phytoplankton and larger metaz...
The Theory and Application of Upwind Finite Difference Fractional Steps Procedure for Seawater Intrusion
Seawater Intrusion Three-Dimensional Region
2012/10/31
Numerical simulation and theoretical analysis of seawater intrusion is the mathematical basis for modern environmental science. Its mathematical model is the nonlinear coupled system of partial differ...
Evolutionary branching in a stochastic population model with distinct mutational steps
Evolutionary branching genetic drift selection adaptation
2012/4/27
Evolutionary branching is analysed in a stochastic, individual-based population model under mutation and selection. In such models, the common assumption is that individual reproduction and life caree...