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Wyszukujesz frazę "Martin, Jeffrey." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
How does the value of time influence road user costs during work zone closures? A case study in El Paso, Texas, using simulation - based modeling methods
Autorzy:
Shelton, Jeffrey
Martin, Peter M.
Powiązania:
https://bibliotekanauki.pl/articles/2141120.pdf
Data publikacji:
2021
Wydawca:
Fundacja Centrum Badań Socjologicznych
Tematy:
value of time
work zone
road user cost
dynamic traffic assignment
advanced traveler information
Opis:
It is becoming standard practice for many departments of transportation (DOTs) to use incentive/disincentive clauses (also known as road user costs) with contractors to stay on or ahead of schedule. These road user costs are clauses that DOTs use to calculate a monetary amount to encourage contractors to complete work prior to milestone dates and/or limit the time specified on the contract. The monetary amounts are typically vehicle operating costs and vehicle delay costs encumbered by highway users resulting from construction, maintenance, or rehabilitation activity. In this paper, we propose an innovative way of calculating these costs using varied values of time based on trip purpose and departure time. In addition, we use advanced pre-trip and en route traveler information to determine the influence it has on route choice. Several scenarios are modeled using an advanced, simulation-based dynamic traffic assignment model. The goal of this paper is to identify the governing factors that contribute to road use costs by determining different approaches to derive the value one places on a trip. The approach to this study is twofold: first several research methods were used to derive the value of time. Second, the use of advanced traveler information is introduced to determine if it plays a critical role in route choice. The proposed methodology shows differences in road user cost calculations. Which approach would be more receptive to a contractor while proposing roadway construction? A case study of a roadway construction project in El Paso, Texas, is used to compare different approaches to calculate road user costs.
Źródło:
Journal of Sustainable Development of Transport and Logistics; 2021, 6, 1; 18-31
2520-2979
Pojawia się w:
Journal of Sustainable Development of Transport and Logistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
En bloc liver and pancreas transplantation after total pancreatectomy with autologous islet transplantation
Autorzy:
Generette, Gabriela S.
Bachul, Piotr J.
Golab, Karolina
Basto, Lindsay
Pyda, Jordan S.
Borek, Peter
Tibudan, Martin
Anteby, Roi
Perea, Laurencia
Charlton, Michael
Perez-Gutierrez, Angelica
Jayant, Kumar
Lucander, Aaron
Matthews, Jeffrey B.
Millis, J. Michael
Fung, John
Witkowski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/1196139.pdf
Data publikacji:
2020-11-23
Wydawca:
Gdański Uniwersytet Medyczny
Tematy:
Total Pancreatectomy with Autologous Islet Transplantation
TPIAT
liver and pancreas transplantation
chronic pancreatitis
Opis:
We present a patient with intractable and debilitating pain secondary to chronic pancreatitis who was effectively treated with total pancreatectomy with islet autotransplantation (TPIAT). Islets engrafted into his liver significantly contributed to improved blood glucose control and quality of life. Subsequently, the patient developed alcohol related acute liver failure and en bloc liver and pancreas transplantation was performed to replace the failing liver with engrafted islets. Pancreas transplantation was required to resolve his life-threatening severe hypoglycemic episodes. Herein, we detail an innovative and multidisciplinary management of this complex medical problem.
Źródło:
European Journal of Translational and Clinical Medicine; 2020, 3, 2; 11-17
2657-3148
2657-3156
Pojawia się w:
European Journal of Translational and Clinical Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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