نتایج جستجو برای: bev
تعداد نتایج: 754 فیلتر نتایج به سال:
Abstract Governments around the world are legislating to end sale of conventionally fuelled (gasoline and diesel) internal combustion engine vehicles (ICEV) it is assumed that battery-electric (BEV) will take their place. It has been suggested due increased weight, non-exhaust emissions particles from BEV may exceed all particle emissions, including exhaust, an ICEV. This paper examines vehicle...
and Julieke Hupkes (unpublished). P. A. Flinn (private communication). R. W. Grant, R. M. Housley, and U. Gonser, Phys. Rev. 178, 523 (1969). ~~S. Goldsztaub, Bull. Soc. Franc. Mineral 58, 6 (1935). R. M. Housley, N. E. Erickson, and J. G. Dash, Nucl. Instr. Methods 27, 29 (1964). An additional small background correction of about 2/o was made to account for Compton scattering from a Lucite sou...
The accuracy of the CyberKnife Synchrony Respiratory Tracking System (SRTS) is considered to be patient-dependent because the SRTS relies on an individual correlation between the internal tumor position (ITP) and the external marker position (EMP), as well as a prediction method to compensate for the delay incurred to adjust the position of the linear accelerator (linac). We aimed to develop a ...
If a low energy synchrotron is to be used as an injector for a 300 Bev machine, the problem may arise of synchronizing the two R.F. systems at transfer time in order that a bunch of protons in the injector may be transferred to a bucket in the main machine without loss of particles. A possible synchronization scheme is proposed and investigated here.
Birds-eye-view (BEV) semantic segmentation is critical for autonomous driving its powerful spatial representation ability. It challenging to estimate the BEV maps from monocular images due gap, since it implicitly required realize both perspective-to-BEV transformation and segmentation. We present a novel two-stage Geometry PrIor-based Transformation framework named GitNet, consisting of (i) ge...
In busy metropolitan areas, traffic restrictions based on the last digits of license plates effectively ease jams and improve air quality. Recently, policy-makers in China exempted battery electric vehicles (BEV) from to promote their diffusion place conventional (CV). To examine impacts such an exemption consumers manufacturers as well environment, this study models duopoly competition between...
Der lndliche Raum hat zumindest in den westlichen Industrielndern zunehmend mit dem demographischen Wandel zu kmpfen. Die Folgen des Bevlkerungsrckgangs schlagen sich in schlechterer Versorgung und mangelndem Arbeitsplatzangebot nieder. Umgekehrt finden Unternehmen schwieriger Fachpersonal, da die Region fr hochqualifizierte Krfte nicht attraktiv genug erscheint. Dies fhrt zu erhhter M...
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