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Waterless urinals can save between 15,000 and 45,000 US gallons (57,000 and 170,000 L) of water per urinal per year, depending on the amount of water used in the water-flushed urinal for comparison purposes, and the number of uses per day. For example, these numbers assume that the urinal would be used between 40 and 120 times per business day. [4]
UniFrac, a shortened version of unique fraction metric, is a distance metric used for comparing biological communities.It differs from dissimilarity measures such as Bray-Curtis dissimilarity in that it incorporates information on the relative relatedness of community members by incorporating phylogenetic distances between observed organisms in the computation.
Accessible female and male public washrooms on the Boise River Greenbelt in Idaho, US, featuring public art A public toilet at a park in Viiskulma, Helsinki, Finland. A public toilet, restroom, bathroom or washroom is a room or small building with toilets (or urinals) and sinks for use by the general public.
Different from instantaneous speed, average speed is defined as the total distance covered divided by the time interval. For example, if a distance of 80 kilometres is driven in 1 hour, the average speed is 80 kilometres per hour. Likewise, if 320 kilometres are travelled in 4 hours, the average speed is also 80 kilometres per hour.
Until the 1970s, a few female urinals were available in the United States from different manufacturers, such as the Sanistand by American Standard Companies and "Hygia" by Kohler Co. [66] In the 1980s and 1990s various concepts and prototypes were proposed, although most of them were not developed beyond the design stage. Female urinals have ...
Athletes believe the distance they ran in Chile was about 3 kilometers (almost 1.9 miles) shorter. The mistake adds to Santiago's woes in the organization of the Pan American Games , which started ...
gravity models, distance decay and other models of spatial interaction are based on the tendency of the volume of interaction between two locations to decrease as the distance between them increases due to the friction of distance, often in a pattern that is analogous (mathematically, not physically) to the Inverse-square law of many of the ...
In group theory, a word metric on a discrete group is a way to measure distance between any two elements of .As the name suggests, the word metric is a metric on , assigning to any two elements , of a distance (,) that measures how efficiently their difference can be expressed as a word whose letters come from a generating set for the group.