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A Note on Calculation of Phase Space Path Integral by Means of Invariants
phase space path integral invariant propagator
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2007/8/15
2006Vol.45No.5pp.813-814DOI:
A Note on Calculation of Phase Space Path Integral by Means of Invariants
QIAN Shang-Wu1 and GU Zhi-Yu2
1 Physics Department, Peking Univers...
Symposium 25 Population regulation in heterogeneous landscapes: a means for predicting the consequences of environmental change：Introduction
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2007/8/5
题目：Symposium 25 Population regulation in heterogeneous landscapes: a means for predicting the consequences of environmental change：Introduction
作者：Henrik G. SMITH, William J. SUTHERLAND
Efficacy of open-ocean ballast water exchange as a means of preventing invertebrate invasions between freshwater ports
open-ocean ballast water exchange preventing invertebrate invasion freshwater ports
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2014/4/21
Ballast water is a major vector of nonindigenous species invasion globally. Mandatory ballast water exchange (BWE) was implemented for vessels carrying ballast water into the Great Lakes in 1993. Desp...
A Certain Class of Analytic and Multivalent Functions Defined by Means of a Linear Operator
Analytic function Multivalent function Linear operator Convex univalent function Hadamard product (or convolution) Subordination Integral operator
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2010/1/25
Making use of a linear operator, which is defined here by means of the Hadamard product (or convolution), we introduce a class of analytic and multivalent functions in the open unit disk. An inclusi...
Source identification of nitrate by means of isotopic tracers in the Baltic Sea catchments
Source identification nitrate isotopic tracers Baltic Sea catchments
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2010/1/13
Nitrate input to a river is largely controlled by land use in its catchment. We compared the information carried by the isotopic signatures of nitrate in 12 Baltic rivers, in relation to the vegetatio...
Monitoring soil wetness variations by means of satellite passive microwave observations:the HYDROPTIMET study cases
soil wetness variations satellite passive microwave observations HYDROPTIMET
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2009/12/28
Soil moisture is an important component of the hydrological cycle. In the framework of modern flood warning systems, the knowledge of soil moisture is crucial, due to the influence on the soil respons...
Assessing the potential of SWVI (Soil Wetness Variation Index) for hydrological risk monitoring by means of satellite microwave observations
Soil Wetness Variation Index hydrological risk satellite microwave observations
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2010/1/22
In the last years satellite remote sensing applications in hydrology have considerably progressed. A new multi-temporal satellite data-analysis approach has been recently suggested in order to estimat...
Clutter and rainfall discrimination by means of doppler-polarimetric measurements and vertical reflectivity profile analysis
Clutter and rainfall discrimination doppler-polarimetric measurements vertical reflectivity profile analysis
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2010/1/22
The estimation of rainfall rate and other parameters from radar scattering volume is heavily affected by the presence of intense sea and ground clutter and echoes which appears in anomalous propagatio...
Monte Carlo Simulation of Activity Measurements by Means of 4πβ-γ Coincidence System
Monte Carlo Simulation Activity Measurements 4πβ-γ Coincidence System
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2010/10/25
The theoretical work is being developed with MCNP Monte Carlo code, applied to a gas-flow proportional counter of 4π geometry, coupled to a pair of NaI(Tl) crystals. The calculated efficiencies are co...
Space Gravity Spectroscopy - determination of the Earth’s gravitational field by means of Newton interpolated LEO ephemeris Case studies on dynamic (CHAMP Rapid Science Orbit) and kinematic orbits
space gravity spectroscopy spherical harmonics series expansion GPS tracked LEO satellites kinematic
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2010/1/22
An algorithm for the (kinematic) orbit analysis of a Low Earth Orbiting (LEO) GPS tracked satellite to determine the spherical harmonic coefficients of the terrestrial gravitational field is presented...
Determination of Structure-Toxicity Relationship of Amphiprotic Compounds by Means of the Inhibition of the Dehydrogenase Activity of Pseudomonas Putida
Determination Structure-Toxicity Relationship of Amphiprotic Compounds Means of the Inhibition the Dehydrogenase Activity Pseudomonas Putida
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2010/6/30
Aliphatic and aromatic alcohols are amphiprotic compounds which have both polar and nonpolar parts in their structure. These compounds were studied with respect to the nonreactive toxic effects on th...
A possibility to control the polarization of high-energy photons by means of a laser beam
polarization high-energy photons
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2010/4/19
The elastic light-light scattering below the threshold of the e+e- pair production leads to a variation in polarization of hard g-quanta traversing without loss a region where the laser light is focus...
Comparison of Metallicities Adopted for the Synthetic UBV Photometry with Those Evaluated by Means of RGU Photometry
Metallicities Adopted Synthetic UBV Photometry RGU Photometry
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2010/4/19
Comparison of metallicities adopted for synthetic UBV photometry with those evaluated by means of RGU photometry for 92 stars is presented. The agreement is only for zero metallicity. The discrepancy ...
Study of a Commercial SiO2 Sol and Gel by Small Angle X-ray Scattering: Effect of Sample Thickness and Interpretation by Means of Smoluchowski Scheme
Dependence of Sample Thickness Ludox HS SiO2 SAXS Smoluchowski Scheme Structure in sol
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2011/12/23
Abstract: Ludox HS SiO2 sols at high concentrations show a peak in small angle x-ray scattering (SAXS) reminiscent to a “structure.” The appearance of such a peak was found to depend crucially on the ...
Real-time wind measurement in extratropical cyclones by means of Doppler radar
Real-time wind measurement extratropical cyclones Doppler radar
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2014/8/27
Real-time wind measurement in extratropical cyclones by means of Doppler radar.