1,039 research outputs found
Air Pollution and Mortality for 60 US Cities in 1960
No full textData includes measurements on mortality rate and explanatory variables(air-pollution, socio-economic and meteorological) for 60 US cities in 1960. This data was originally published in McDonald, G.C. and Schwing,R.C. (1973) 'Instabilities of regression estimates relating air pollution to mortality', Technometrics, vol.15, 463-482. It was redistributed through Carnegie Mellon University's StatLib (lib.stat.cmu.edu
Chemical hydrography and chlorophyll distribution in the East China Sea in summer: implications in nutrient dynamics.
No full textEffects of the Changjiang (Yangtze) River discharge on planktonic community respiration in the East China Sea
No full textReconciling the paradox that the heterotrophic waters of the East China Sea shelf act as a significant CO2 sink during the summertime: Evidence and implications
No full textCredit Card Security
Full text linkAuthor: Anup G.C.
Year: 2013
Subject of thesis: Credit Card Security
Number of pages: 36+2
Credit Card is a widely used electronic chip for easy transactions. The main purpose of the report was to show the security measures of transaction by credit cards. The purpose was to give information about credit cards and how they were introduced. The thesis reportcontained the types of card theft with examples and sited the various protocols used for online transactions. The aim of the thesis project was to conclude whether the card security provided by the banks is safe enough.
The thesis report contained information about many online resources as well as liable books. Many news articles were also considered while writing the report for the card theft records.
The thesis report described both the positive and negative aspects of the protocols used for card securities. Result showed that misuse and complicated processes of protocols has led the identity theft to transactions. To conclude, although many security measures are implemented for the secure transactions, credit card fraud activities are happening in a weekly basis
Electromagnetisch en vermoeiingsonderzoek aan gesloten ophaalkabels in mijnschachten
No full textMechanical, Maritime and Materials Engineerin
Pressure losses in pneumatic transport
No full textA model is derived to calculate the pressure losses originating from the dilute phase pneumatic transport of coarse particles in the horizontal stationary flow regime. The model is based on the balance of drag forces and frictional forces acting on the particles during pneumatic transport. The particles are characterized by the particle terminal velocity, the particle âwall sliding friction coefficient and the coefficient of restitution between particles and wall. The influence of the inhomogeneous particle distribution in the pipe is taken into account using a particle density distribution resembling the barometric height formula. The model is verified experimentally by the use of particle velocity measurements and particle-wall collision measurements during pneumatic transport. For this purpose measuring techniques and tools have been developed. A Froude number, based on the mean square value of the radial particle-velocity component, appears in the model as an empirical parameter. This Froude number increases with increasing average air velocity but may also depend on the pipe diameter and the solids-mass flow to some extent. However this dependency could not be quantified and may restrict the accuracy of pressure loss predictions with the model. The assumption of a linear relationship between the Froude number and the average air velocity provides scaling and prediction possibilities for pressure losses.Mechanical Maritime and Materials Engineerin
Removal of scattered surface waves from seismic data
No full textElectrical Engineering, Mathematics and Computer Scienc
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