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Aerosol analysis using a Thermal-Desorption Proton-Transfer-Reaction Mass Spectrometer (TD-PTR-MS):a new approach to study processing of organic aerosols
Aerosol analysis Thermal-Desorption Proton-Transfer-Reaction Mass Spectrometer organic aerosols
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2010/3/5
We present a novel analytical approach to measure the chemical composition of organic aerosol. The new instrument combines proton-transfer-reaction mass-spectrometry (PTR-MS) with a collection-thermal...
A new approach for doing theoretical and numeric work with Lemaitre-Tolman-Bondi dust models
Lemaitre-Tolman-Bondi cosmic times
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2010/3/17
We introduce quasi-local integral scalar variables for the study of spherically symmetric Lemaitre-Tolman-Bondi (LTB) dust models. Besides providing a covariant, and theoretically appealing, interpret...
New approach to mixture of the Adomian decomposition and homotopy perturbation method for approximate and analytical solution of integral equations and fractional differential equations
Homotopy perturbation method Adomian Decomposition method
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2010/9/17
Nonlinear phenomena play a crucial role in applied mathematics and physics. Analytic solutions to the nonlinear equations are of fundamental importance. Various methods for obtaining Analytic solution...
Solar System Motions and the Cosmological Constant：jA New Approach
Solar System Motions jA New Approach Cosmological Constant
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2009/9/4
We use the corrections to the Newton-Einstein secular precessions of the longitudes of perihelia ϖ˙ of some planets (Mercury, Earth, Mars, Jupiter, Saturn) of the Solar System, phenomenologically...
Polarization Detector:A New Approach Without Eigenvalue Problem Solution
Eigenvalue Polarization Solution Problem
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2009/6/15
Polarization Detector:A New Approach Without Eigenvalue Problem Solution.
A New Approach in Data Reduction：Proper Handling of Random Errors and Image Distortions
METHODS ANALYTICAL METHODS STATISTICAL Image Distortions
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2009/6/11
A New Approach in Data Reduction：Proper Handling of Random Errors and Image Distortions。
A new approach for estimation suspended sediment yield
sediment yield sediment routine sediment concentration
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2009/5/26
A semi-distributed conceptual model, HBV-SED, for estimation of total suspended sediment concentration and yield at the outlet of a catchment was developed and tested through a case study. The base of...
A NEW APPROACH TO THE ESTIMATION OF THE DISPERSION COMPONENTS
DISPERSION COMPONENTS unknown X iterative algorihm
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2009/3/31
A new method to calculate simultaneosly both the unknown X
and the components of the dispersion (results of measurement) is developed. An
improved iterative algorihm is used.
A new approach to estimating Mean Flow in the UK
hydrological models regionalisation water resources
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2009/3/17
Traditionally, the estimation of Mean Flow (MF) in ungauged catchments has been approached using conceptual water balance models or empirical formulae relating climatic inputs to stream flow. In the U...
The Integrated Catchments model of Phosphorus dynamics (INCA-P), a new approach for multiple source assessment in heterogeneous river systems: model structure and equations
modelling water quality phosphorus
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2009/3/17
A new model has been developed for assessing the effects of multiple sources of phosphorus on the water quality and aquatic ecology in heterogeneous river systems. The Integrated Catchments model for ...
A new approach of fracture mechanics
finite element anisotropic mesh crack numerical methods
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2009/2/13
The present paper is a first step towards modelling cracks within the frame of
finite element anisotropic meshes. We will consider 2-dimensional models with
straight cracks. The non-classical FE mod...
Technical Note: The Modular Earth Submodel System（MESSy）- a new approach towards Earth System Modeling
Modular Earth Submodel System MESSy Earth System Modeling
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2009/2/6
The development of a comprehensive Earth System Model (ESM) to study the interactions between chemical, physical, and biological processes, requires coupling of the different domains (land, ocean, atm...
A new approach of fracture mechanics
finite element anisotropic mesh crack numerical methods
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2009/1/9
The present paper is a first step towards modelling cracks within the frame of
finite element anisotropic meshes. We will consider 2-dimensional models with
straight cracks. The non-classical FE mod...
A new approach to the gas dynamics equation: An application of the variational iteration method
Variational iteration method Nonlinear gas dynamics equation
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2010/9/14
In this paper, He’s variational iteration method (VIM) has been used to obtain solution of nonlinear gas dynamics equation. This method is based on Lagrange multipliers for identification of optimal ...
A New Approach to the Calculation of N-15 Chemical Shifts of Cyclic Compounds
N-15 chemical shift Additive parameters Regression analysis
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2010/4/16
Two sets of additive parameters used previously for the calculation of C-13 chemical shifts of mono and poly six-membered cycloalkanes were applied for the prediction of N-15 chemical shifts of some m...