Results 91 to 100 of about 343,410 (309)
A Dynamic Optimization Model for the Natural Gas Revenues [PDF]
فصلنامه پژوهشهای اقتصادی ایران, 2007 In this paper we study one of the most important challenges facing the Iranian Oil authorities: The allocation of natural gas reserves to different uses like exports, petrochemical plants, and injection to oil reserves for enhancing recovery factor.
Ahmad Jafari Samimi, Toraj Dehghani
doaj
Measuring Inefficiency in Public Utilities: Does the Distribution Matter? [PDF]
In this paper we describe two of the most used distributions for the inefficiency term in a stochastic frontier: the Half Normal and the Exponential distributions.
Canay, Iván, Rossi, Martín
core
The recursive thick frontier approach to estimating efficiency [PDF]
, 1999 The traditional econometric techniques for frontier models, namely the Stochastic Frontier Approach (SFA), the Thick Frontier Approach (TFA) and the Distribution Free Approach (DFA) have in common that they depend on a priori assumptions that are ...
Schure, Paul, Wagenvoort, Rien
core
The Anisotropic Adsorption of De Novo Allosteric Two‐Component Protein Fibers on Mica Surfaces
Advanced Functional Materials, EarlyView.In this study, the interfacial behavior of de novo designed proteins that self‐assemble into tubular architectures with distinct morphologies — small (S), large (L), and helical (H) fibers — at the muscovite mica‐water interface is explored using in situ AFM. Abstract Protein adsorption at solid–liquid interfaces underlies many biomedical and materials
Chenyang Shi +7 more
wiley +1 more source
ECONOMICSThe main of the study is to comprehend how the mean variance efficient frontier method may be used in conjunction with Markowitz portfolio theory to produce an optimal portfolio.
Mallieswari R. +5 more
doaj +1 more source
Performance Evolution Pattern [PDF]
مطالعات مدیریت بهبود و تحول, 2012 In this paper with the aims to examine the changes in productivity, two well-known techniques of evaluation over time studied that window Analysis and Malmquist productivity index and by selecting the appropriate length for the windows, the window ...
Mohammad Rahim Ramazanian +2 more
doaj
A Methodology for Assessing Eco-efficiency in Logistics Networks [PDF]
Recent literature on sustainable logistics networks points to two important questions: (i) How to spot the preferred solution(s) balancing environmental and business concerns?
Bloemhof-Ruwaard, J.M. +4 more
core +1 more source
High quality electron beam generation in a proton-driven hollow plasma wakefield accelerator [PDF]
, 2017 Simulations of proton-driven plasma wakefield accelerators have demonstrated substantially higher accelerating gradients compared to conventional accelerators and the viability of accelerating electrons to the energy frontier in a single plasma stage ...
Hanahoe, Kieran +5 more
core +3 more sources
Synthetic Nanobiology Actuated Lipometabolic Cell Factory for Autologous Tumor Immunotherapy
Advanced Functional Materials, EarlyView.FA plays a crucial role in the interaction between tumor cells and the tumor microenvironment, especially for the immune response. A biocatalytic immunoenhancement strategy is developed to boost antitumor immunity by FA metabolic orientation to ceramide. Through the design of this delicate catalytic immunoenhancement strategy, the synthetic nanobiology
Shoujie Zhao +8 more
wiley +1 more source
Spanning with Zero-Price Investment Assets [PDF]
Regression-based testing techniques has long been used to quantify whether the efficient frontier of a set of assets spans the frontier of a larger collection of investments.
Galvani, Valentina, Plourde, Andre
core