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تعداد نتایج: 4321304  

Journal: :Traffic injury prevention 2008
Jonathon M Vivoda David W Eby Renée M St Louis Lidia P Kostyniuk

OBJECTIVE Use of a cellular phone has been shown to negatively affect one's attention to the driving task, leading to an increase in crash risk. At any given daylight hour, about 6% of US drivers are actively talking on a hand-held cell phone. However, previous surveys have focused only on cell phone use during the day. Driving at night has been shown to be a riskier activity than driving durin...

Journal: :Quantum science and technology 2022

A while loop tests a termination condition on every iteration. On quantum computer, such measurements perturb the evolution of algorithm. We define primitive using weak measurements, offering trade-off between perturbation caused and amount information gained per This is adjusted with parameter set by programmer. provide sufficient conditions that let us determine, arbitrarily high probability,...

Journal: :European Journal of Operational Research 2022

Scalable real-time assortment optimization has become essential in e-commerce operations due to the need for personalization and availability of a large variety items. While this can be done when there are simplistic choices made, process becomes difficult imposing constraints on collection relevant assortments based insights by store-managers historically well-performing assortments. We design...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده ادبیات و علوم انسانی 1393

from its emergence till present time marxist principles has undergone great changes since their promulgation by marx. many theorists and thinkers set at rectifying marxist tenets and introducing those of their own while others advocated its main concepts and attempted at improving them. among marxist philosophers who had an intensive study of marxs ideology, is louis althusser whose reflections...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

there is less published research about how teachers in efl contexts respond to students who are relatively less mature and less competent l2 writers. while writing researchers have examined various issues concerning peer and teacher response in writing-oriented classes, little research has centered on the effect of collaborative tasks particularly dictogloss on writing skills. output collaborat...

2004
Masanori Hanada Masashi Hayakawa Nobuyuki Ishibashi Hikaru Kawai Yoshinori Matsuo Tsukasa Tada

The nonperturbative aspects of string theory are explored for noncritical string in two distinct formulations, loop equations and matrix models. The effects corresponding to the D-brane in these formulations are especially investigated in detail. It is shown that matrix models can universally yield a definite value of the chemical potential for an instanton while loop equations cannot. This imp...

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