منابع مشابه
Alternative Fuels in Public Transit: A Match Made on the Road
As alternative fuels compete with conventional fuels for a place in public awareness and acceptance, one of their most visible applications is in public transportation. Vehicles, particularly buses and shuttles, that carry people in large numbers, stand to gain much from using alternative fuels. Such high-demand fuel users can help sustain a fueling infrastructure that supports private autos an...
متن کاملIntestinal transit time in the population calculated from self made observations of defecation.
STUDY OBJECTIVES To assess the feasibility of estimating intestinal transit time in the general population using self recorded data on stool form, frequency of defecation, and the interdefecatory time interval. DESIGN Prospective measurement of bowel function. SETTING Bristol, Avon, UK between 1987 and 1989. SUBJECTS Subjects were drawn from 1897 people who comprised 72.2% of a stratified...
متن کاملCalculation of 99mTc-DTPA transit times in normal kidney [Persian]
Introduction: Renal dynamic study is a well-established and popular test in routine practice of nuclear medicine. The test is non-invasive, rapid and unique in evaluation of the kidney function. In despite of its clinical values, the parameters derived from renogram are physiologically meaningless. That is due to the fact that renogram is not the true kidney function. From mathematical po...
متن کاملFleet Size and Frequency in Rapid Transit Systems
Given is a set of stations linked by railway tracks, forming an undirected railway network. One or more lines are formed in this network. Each line consists of an origin station, a destination station, and a number of intermediate stations. In order to complete the line configuration, you need to decide the frequency (number of services per hour) and the capacity (number of carriages) for each ...
متن کاملGAO-02-1075T Mass Transit: Challenges in Securing Transit Systems
We appreciate the opportunity to speak with you today about mass transit safety and security in the United States. Over a year has passed since the terrorist attacks of September 11, 2001, realigned our national priorities. While most of the early attention following the September 11 terrorist attacks focused on airport security, emphasis on the other modes of transportation has since grown. Mo...
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ژورنال
عنوان ژورنال: ouvirOUver
سال: 2020
ISSN: 1983-1005,1809-290X
DOI: 10.14393/ouv-v16n1a2020-50995