نتایج جستجو برای: rumble strips
تعداد نتایج: 10575 فیلتر نتایج به سال:
This EDIS publication is the fifth of Talking Local series, a six-part series about Florida consumers and their perceptions local food. focuses on ways Extension agents can assist farmers ranchers in labeling, sale, promotion locally produced products. provides information consumers’ food to faculty who are interested programming or work with clientele. 4-page consumer flexibility term “local.”...
Horizontal curves have been recognized as a significant safety issue for many years, a more important factor than road width or sight distance. The research literature suggests that driver errors associated with horizontal curves result from three inter-related problems: failures of driver attention, misperceptions of speed and curvature, and poor lane positioning. To examine the roles of atten...
Recent comparative data reveal that formant frequencies are cues to body size in animals, due to a close relationship between formant frequency spacing, vocal tract length and overall body size. Accordingly, intriguing morphological adaptations to elongate the vocal tract in order to lower formants occur in several species, with the size exaggeration hypothesis being proposed to justify most of...
The heterogeneous traffic conditions in India is making things more complicated urban areas. Traffic accidents are increasing at an alarming rate due to the rapid growth of motor vehicles past few years. number drop only sites where speed restriction techniques implemented for different vehicle categories, especially locations like approaches level crossings, negotiation points sharp curves, to...
Lack of detailed and accurate safety records on incidents in Australian work zones prevents a thorough understanding of the relevant risks and hazards. Consequently it is difficult to select appropriate treatments for improving the safety of roadworkers and motorists alike. This paper presents a method for making informed decisions about safety treatments by 1) identifying safety issues and haz...
We demonstrate the use of spatial filtering algorithms for radio frequency interference (RFI) mitigation in conjunction with a focal plane array of electrically small elements. The array consists of a seven-element hexagonal arrangement of thickened dipole antennas with 1600 MHz designed center frequency backed by a circular ground plane at the focal plane of a 3 m parabolic reflector. Rooftop-...
Lack of detailed and accurate safety records on incidents in Australian work zones prevents a thorough understanding of the relevant risks and hazards. Consequently it is difficult to select appropriate treatments for improving the safety of roadworkers and motorists alike. This paper outlines development of a conceptual framework for making informed decisions about safety treatments by 1) iden...
It has been suggested that African savanna elephants Loxodonta africana produce 31 different call types (Langbauer 2000). Various researchers have described these calls by associating them with specific behavioural contexts. More recently Leong et al. (2003) have attempted to classify elephant call types based on their physical properties. They classified 8 acoustically distinct call types from...
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