نتایج جستجو برای: road managers

تعداد نتایج: 122801  

2003

Over the past decade, the emergence of the `environmental protest' movement has created significant policing challenges for any force unfortunate enough to play `host' to a major road construction project. Once constructed, the Birmingham Northern Relief Road (BNRR) will be the United Kingdom's first `tolled motorway'. The scheme is hugely controversial because its environmental impact on 27 mi...

2009
Christian Groth Francesco Ricci

If environmental quality positively a ects the productivity of labor in R&D and pollution is caused by the use of a non-renewable resource, it is socially optimal to postpone extraction and to intertemporally adjust R&D e ort.

Journal: :JORS 2013
Peter Kelle Helmut Schneider Christian Raschke Hadi Shirazi

Since highway improvement project selection requires screening thousands of road segments with respect to crashes for further analysis and final project selection, we provide a two-step project selection methodology and describe an application case to demonstrate its advantages. In the first step of the proposed methodology, we will use odds against observing a given crash count, injury count, ...

Journal: :CoRR 2014
Yanqing Wang Chong Wang Minghui Chen Sijing Yun Minjing Song

* Corresponding author E-mail addresses: [email protected] (Y.Q. Wang), [email protected] (C. Wang) Abstract—With the rapid increasing of software project size and maintenance cost, adherence to coding standards especially by managing identifier naming, is attracting a pressing concern from both computer science educators and software managers. Software developers mainly use identifier names to ...

2017
Andrew J. Collins R. Michael Robinson Peter Foytik Craig Jordan Barry C. Ezell

Road transportation networks are a segment of society’s critical infrastructure particularly susceptible to service disruptions. Traffic incidents disrupt road networks by producing blockages and increasing travel times, creating significant impacts during emergency events such as evacuations. For this reason, it is extremely important to incorporate traffic incidents in evacuation planning mod...

Journal: :Psychiatric Bulletin 1991

Information on the productivity, costs and applications of the logging system is a key component in the evaluation of management plans for the rehabilitation and utilization of Caspian forests. Skidding and road construction costs are expensive forest operations. Determining the optimum forest road network density is one of the most important factors in sustainable forest management. Logging me...

Journal: :Environmental pollution 2012
Satoshi Hirabayashi Charles N Kroll David J Nowak

A distributed air pollutant dry deposition modeling system was developed with a geographic information system (GIS) to enhance the functionality of i-Tree Eco (i-Tree, 2011). With the developed system, temperature, leaf area index (LAI) and air pollutant concentration in a spatially distributed form can be estimated, and based on these and other input variables, dry deposition of carbon monoxid...

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