نتایج جستجو برای: rumble strips
تعداد نتایج: 10575 فیلتر نتایج به سال:
PURPOSE To identify and appraise the published studies assessing interventions accounting for reducing fatigue and sleepiness while driving. METHODS This systematic review searched the following electronic databases: Medline, Science direct, Scopus, EMBASE, PsycINFO, Transport Database, Cochrane, BIOSIS, ISI Web of Knowledge, specialist road injuries journals and the Australian Transport and ...
Let Fn be the face poset of the n-dimensional Shi arrangement, and let Pn be the poset of parking functions of length n with the order defined by (a1, a2, . . . , an) ≤ (b1, b2, . . . , bn) if ai ≤ bi for all i. Pak and Stanley constructed a labelling of the regions in Fn using the elements of Pn. We show that under this labelling, all faces in Fn correspond naturally to closed intervals of Pn,...
European Review / Volume 23 / Issue 03 / July 2015, pp 426 438 DOI: 10.1017/S1062798715000113, Published online: 02 June 2015 Link to this article: http://journals.cambridge.org/abstract_S1062798715000113 How to cite this article: Sowon S. Park (2015). An Unknown Masterpiece: On Pak Kyongni’s Land and World Literature. European Review, 23, pp 426-438 doi:10.1017/S1062798715000113 Request Permis...
We give a compact expression for the number of factorizations of any permutation into a minimal number of transpositions of the form (1 i). Our result generalizes earlier work of Pak in which substantial restrictions were placed on the permutation being factored.
Equal channel multi angular pressing (ECMAP) process is the efficient method to enhance the productivity of ultra-fine grained (UFG) materials, by increasing process continuity and as a result decreasing process required time. Comparing repetitive ECAP method, in the same period, the number of passes can be done by ECMAP. In this article, ECMAP of AL strips in two typical annealed and as receiv...
Although much research has focused on acoustic mapping and exploration of the benthic environment, little is known about the acoustic ecology of benthic organisms, particularly benthic crustaceans. Through the use of a coupled audio–video system, a hydrophone array, and an autonomous recording unit, we tested several hypotheses about the field acoustics of a benthic marine crustacean, Hemisquil...
This study investigated the effects of noise from building mechanical systems with tonal components on human task performance and perception. Six different noise conditions based on in-situ measurements were reproduced in an officelike setting; all were set to approximately the same sound level (47 dBA) but could have one particular tonal frequency (120 Hz, 235 Hz, or 595 Hz) at one of two tona...
We study the following geometric hypergraph coloring problem: given a planar point set and an integer k, we wish to color the points with k colors so that any axis-aligned strip containing sufficiently many points contains all colors. We show that if the strip contains at least 2k−1 points, such a coloring can always be found. In dimension d, we show that the same holds provided the strip conta...
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