منابع مشابه
Electrocardiographic artifacts.
ANSWERS 1. e. none of the above The ECG represents a pseudo-arrhythmia due to artifacts. Two clues direct you to the correct interpretation. The first clue reveals sinus rhythm in lead II. The normal appearance of the complexes in lead II is a result of the cancellation of artifacts and not because of a transient return to normal rhythm. The second clue is that most of the leads show sharp defl...
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This paper addresses the question if artifacts may be attributed some kind of agency. I take an activity-theoretical and instructional perspective, and argue that artifacts are used to guide actions. In other words, I claim that artifacts have instructional impact. In the introductory part of the paper is given an account of how three kinds of artifacts physical artifacts, linguistic representa...
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Artifacts can be defined as any structure in an ultrasound image that does not have a corresponding anatomic tissue structure. Artifacts are a common occurrence in an ultrasound display since they are often the result of the physical properties of ultrasound itself. Recognizing artifacts is essential to proper ultrasound interpretation, as not identifying an artifact as such may lead to unwarra...
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Artifacts pervade our lives, our every activity. The speed, power, and intelligence of human beings are drambtically enhanced by the invention of artificial devices, so much so that tool making and usage constitute one of the defining characteristics of our species. Many artifacts make us stronger or faster, or protect us from the elements or predators, or feed and clothe us. And many artifacts...
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This dissertation explores the integration of physical and digital interactions for artifacts used in design sketching and brainstorming. The proposed system supports design practice using an ecology approach; an ecology is a collection of tools and content used by a group such that the whole is greater than the sum of its parts. Expected contributions include novel models of sharing and collab...
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ژورنال
عنوان ژورنال: Artifact
سال: 2007
ISSN: 1749-3463,1749-3471
DOI: 10.1080/17493460701685202