Results 51 to 60 of about 237,285 (210)

Economic viability of phytoremediation of a cadmium contaminated agricultural area using energy maize: part II: economics of anaerobic digestion of metal contaminated maize in Belgium [PDF]

open access: yes, 2010
This paper deals with remediation of the Campine soil, an agricultural area diffusely contaminated with metals where most farmers raise dairy cattle and grow fodder maize.
Meers, Erik   +3 more
core   +2 more sources

Beyond NPV [PDF]

open access: yes, 2014
Net Present Value is a deceptively simple prescription that has dominated academic advice. Discount all expected cash flows at a risk adjusted discount rate and if the result is positive, invest, otherwise do not invest. It is still possible to read the following in textbooks: “NPV considers all of the costs and benefits of each investment opportunity”
Fox, RP, Roddy, EM, Swientozielskyj, S
openaire  

Firm Projects, NPV and Risk [PDF]

open access: yes, 2005
LaTeX, econophysics, firm projects, NPV, risk, normal distribution, a few typographical errors ...
Jana Hudakova, Ondrej Hudak
openaire   +2 more sources

Estimating medical costs from a transition model

open access: yes, 2008
Nonparametric estimators of the mean total cost have been proposed in a variety of settings. In clinical trials it is generally impractical to follow up patients until all have responded, and therefore censoring of patient outcomes and total cost will ...
Gardiner, Joseph C.   +2 more
core   +1 more source

A gypsy moth (Lymantria dispar, Lepidoptera: Lymantriidae) multinucleocapsid nuclear polyhedrosis virus from France: comparison with a North American and a Korean strain

open access: yesEuropean Journal of Entomology, 2001
As part of a search for natural enemies of the gypsy moth (Lymantria dispar), virus-infected samples were collected near Toulouse, France. Light and electron microscope studies confirmed that the French strain is a multinucleocapsid nuclear polyhedrosis ...
Neelam NARANG   +4 more
doaj   +1 more source

Urban Transport Market Theoretical Analysis. [PDF]

open access: yes, 1993
1.The Institute for Transport Studies (ITS) was commissioned by the Department of Transport (DoT), the Association of Metropolitan Authorities (AMA) and the Passenger Transport Executive Group (PTEG) to undertake this project in November 1992.
Nash, C.A., Preston, J.M., Toner, J.P.
core  

Reducing Voltage Volatility with Step Voltage Regulators: A Life-Cycle Cost Analysis of Korean Solar Photovoltaic Distributed Generation [PDF]

open access: yes, 2019
To meet the United Nation’s sustainable development energy goal, the Korean Ministry of Commerce announced they would increase renewable energy generation to 5.3% by 2029.
Alleman, Douglas   +2 more
core   +1 more source

Economic effect of modification the optimal contour of the Open Pit South Mining District Majdanpek, Republic of Serbia [PDF]

open access: yesMining and Metallurgy Engineering Bor
The Open Pit South Mining District is a unique unit that operates within the company Copper Mine Majdanpek, which is a part of the company Serbia Zijin Copper doo (former Mining and Smelting Basin Bor Group).
Kržanović Daniel   +4 more
doaj   +1 more source

Anomalies in net present value calculations. A solution [PDF]

open access: yes
The so-called anomalies that arise in the computation and interpretation of the Net Present Value (NPV) and the Internal Rate of Return (IRR) can be easily overcome if the properties of the NPV function are taken into account and it is clearly defined ...
Joan Pasqual Rocabert   +2 more
core  

Enhanced diffraction by a rectangular grating made of a negative phase--velocity (or negative index) material [PDF]

open access: yes, 2004
The diffraction of electromagnetic plane waves by a rectangular grating formed by discrete steps in the interface of a homogeneous, isotropic, linear, negative phase--velocity (negative index) material with free space is studied using the semi--analytic ...
Akhlesh Lakhtakia   +16 more
core   +2 more sources

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