منابع مشابه
Cleaning Associations between Birds and Herbivorous Mammals in Brazil: Structure and Complexity
—Birds that remove ectoparasites and other food material from their hosts are iconic illustrations of mutualistic– commensalistic cleaning associations. To assess the complex pattern of food resource use embedded in cleaning interactions of an assemblage of birds and their herbivorous mammal hosts in open habitats in Brazil, we used a network approach that characterized their patterns of associ...
متن کاملFree-ranging birds Captive birds Songbirds Free-ranging birds Captive birds Waterfowl Free-ranging birds Captive birds Herons and allies Free-ranging birds Captive birds Pigeons and doves Free-ranging birds Captive birds
Cause Chlamydiosis refers to an infection with organisms of the genus Chlamydia sp., which are bacteria that live within animal cells. Chlamydia psittaci is the species generally associated with this disease in birds. The severity of the disease differs by the strain of C. psittaci and the susceptibility of different species of birds. As a result, chlamydiosis may range from an inapparent infec...
متن کاملDry Cleaning
It has been more than a century since dry cleaning had its origin in Paris, France. Since that time, the dry cleaning process, whereby garments are cleaned in a nonaqueous solvent, has witnessed many refinements. Gasoline and carbon tetrachloride have been replaced as dry cleaning fluids by perchloroethylene (perc, and also known as tetrachloroethylene), Stoddard solvent (a petroleum distillate...
متن کاملAutonomous Pool Cleaning: Self Localization and Autonomous Navigation for Cleaning
Cleaning is a major problem associated with pools. Since the manual cleaning is tedious and boring there is an interest in automating the task. This paper presents methods for autonomous localization and navigation for a pool cleaner to enable full coverage of pools. Path following cannot be ensured through use of internal position estimation methods alone; therefore sensing is needed. Sensor b...
متن کاملResearch Statement Data Cleaning Algorithmic Data-cleaning Techniques
With the increasing amount of available data, turning raw data into actionable information is a requirement in every field. However, one bottleneck that impedes the process is data cleaning. Data analysts usually spend over half of their time cleaning data that is dirty — inconsistent, inaccurate, missing, and so on — before they even begin to do any real analysis. It is a time consuming and co...
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ژورنال
عنوان ژورنال: Science
سال: 1883
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-1.1.11-b