The CRA's publications and personalized correspondence are available in braille, large print, etext, and MP3. For more information, see how to Order alternate formats for persons with disabilities or ...

Abstract: As a vital component in simultaneous localization and mapping techniques, appearance-based loop closure detection (LCD) plays important roles in bounding the long-term drift errors. In this ...

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The pH measures how acidic or alkaline a person’s urine is. Ideally, the pH of urine should be around 6.0 to 7.5, but a wider range is usually acceptable. Doctors often test the urine pH and carry out ...