Results 21 to 30 of about 648,709 (212)

Analysis of car following headway along multilane highway [PDF]

open access: yes, 2016
This study describes driver’s car following headway on multilane highways. The aim of this study is to analyse the driver’s car following headway along multilane highway at four selected locations.
Hamid, Nor Baizura   +5 more
core   +1 more source

Effect of Re content on microstructure and mechanical properties of TiCN–WC–HfN ceramics

open access: yesFenmo yejin jishu
TiCN–WC–HfN ceramics were prepared by vacuum hot pressing sintering technology, and the effects of Re contents (molar fraction) on the microstructure and mechanical properties of the ceramics were investigated.
GAO Jiaojiao   +3 more
doaj   +1 more source

Effect of sintering temperature on microstructure and mechanical properties of Ti(C,N)-HfN/Ti(C,N)-WC laminated ceramics

open access: yesFenmo yejin jishu
Ti(C,N)-HfN/Ti(C,N)-WC laminated ceramics were prepared by alternately making layer method and vacuum hot pressing sintering technology, using Ti(C,N) as the matrix phase, HfN and WC as the reinforced phases for the different layers, and metal Ni and Mo ...
GAO Jiaojiao   +3 more
doaj   +1 more source

Heavy Vehicle Performance During Recovery From Forced-Flow Urban Freeway Conditions Due To Incidents, Work Zones and Recurring Congestion [PDF]

open access: yes, 2013
Information contained in the Highway Capacity Manual on the influence heavy vehicles have on freeway traffic operations has been based on few field data collection efforts and relied mostly on traffic simulation efforts.
Drakopoulos, Alexander   +2 more
core   +1 more source

Research and application on modeling and landing point prediction technology for water jet trajectory of fire trucks under large-scale scenarios

open access: yesScientific Reports
To let water jets land at the fire, pitch angle of the fire monitor has to be adjusted manually with successive rounds, which seriously affects the efficiency of fire extinguishing.
Qing Fan, Qianwang Deng, Qin Liu
doaj   +1 more source

A Grotian Tradition of Theory and Practice: Grotius, Law, and Moral Skepticism in the Thought of Hedley Bull [PDF]

open access: yes, 1997
This paper describes a system that incrementally constructs an increasingly accurate road map from GPS traces from a single vehicle. The resulting road map contains information about the road such as road gradient which can be used by functions in a ...
Kingsbury, Benedict
core   +1 more source

THE NEED FOR ENHANCED HEAVY VEHICLE CRASH INVESTIGATION: BEYOND 'BLAME THE DRIVER'

open access: yesTransactions of the VŠB: Technical University of Ostrava, Safety Engineering Series, 2020
The heavy vehicle transport industry is considered to be the most dangerous to work in. The number of crashes resulting in injuries and deaths surpasses that of other transport and industrial sectors combined.
Ivan CIKARA   +4 more
doaj   +1 more source

SYSTEMIC FAILURES AND UNDERLYING CAUSES-AN ANALYSIS OF THE HEAVY VEHICLE SOCIO-TECHNICAL SYSTEM

open access: yesTransactions of the VŠB: Technical University of Ostrava, Safety Engineering Series, 2022
The heavy vehicle transport industry has been described as one of the most dangerous occupations with a high death rate. It is part of a complex socio-technical system with many interacting parts which can adversely influence a drivers decision leading ...
Ivan CIKARA   +3 more
doaj   +1 more source

Blast mines: physics, injury mechanisms and vehicle protection. [PDF]

open access: yes, 2009
Since World War II, more vehicles have been lost to land mines than all other threats combined. Anti-vehicular (AV) mines are capable of disabling a heavy vehicle, or completely destroying a lighter vehicle.
Bull, AM   +4 more
core   +1 more source

Distribution of normal reactions between the axles of the truck's balancing trolley during braking [PDF]

open access: yesAvtomobilʹnyj Transport (Harʹkov), 2019
Problem. The distribution of normal reactions between the axles of a wheeled vehicle when braking is a very important parameter that determines the so-called curves of the realized tire traction.
Bogomolov Victor   +3 more
doaj   +1 more source

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