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関連する概念動画

Classifying Matter by State02:49

Classifying Matter by State

104.0K
Chemistry is the study of matter and the changes it undergoes. Matter is anything that has mass and occupies space. Matter is all around us; the air, water, soil, mountains, even our bodies are all examples of matter. Matter is divided into three states — solid, liquid, and gas — that are commonly found on earth. The fourth state of matter, plasma, occurs naturally in the interiors of stars. 
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Physical and Chemical Properties of Matter02:57

Physical and Chemical Properties of Matter

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The characteristics that enable us to distinguish one substance from another are called properties.
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Classifying Matter by Composition03:35

Classifying Matter by Composition

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Matter: Pure Substances and Mixtures
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures. 
A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated. 
A mixture is composed of two or...
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What is Matter?01:13

What is Matter?

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The substance of the universe—from a grain of sand to a star—is called matter. Scientists define matter as anything that occupies space and has mass. An object’s mass and its weight are related concepts, but not quite the same. An object’s mass is the amount of matter contained in the object and is the same whether that object is on Earth or in the zero-gravity environment of outer space. An object’s weight, on the other hand, is its mass as affected by the pull of...
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The Atomic Theory of Matter02:59

The Atomic Theory of Matter

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The earliest recorded discussion of the basic structure of matter comes from ancient Greek philosophers. Leucippus and Democritus argued that all matter was composed of small, finite particles that they called atomos, meaning “indivisible.” Later, Aristotle and others came to the conclusion that matter consisted of various combinations of the four “elements” — fire, earth, air, and water — and could be infinitely divided. Interestingly, these philosophers...
129.1K
States of Matter01:20

States of Matter

2.9K
Solids, liquids, and gases are the three states of matter commonly found on Earth. A solid is rigid and possesses a definite shape. A liquid flows and takes the shape of its container, except it forms a flat or slightly curved upper surface when acted upon by gravity. Both liquid and solid samples have volumes nearly independent of pressure. A gas takes both the shape and volume of its container.
Scientists have discovered a fourth state of matter, plasma, that occurs naturally in the interiors...
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AI Scribes: Are We Measuring What Matters?

Enrico Coiera1, David Fraile-Navarro1

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この要約は機械生成です。

Artificial intelligence (AI) scribes are rapidly adopted in healthcare but their safety and clinical outcomes require urgent investigation. More research is needed to compare AI scribe use against traditional note-taking methods.

キーワード:
AI人工知能デジタル書記電子文書化エラー防止医療書記患者安全

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科学分野:

  • 医療情報学
  • 臨床技術
  • ヘルスAI

背景:

  • 音声から臨床ノートに変換する人工知能（AI）書記は、ヘルスケア分野で急速に採用されています。
  • 採用は、AI書記の安全性と有効性に関する堅牢なエビデンスのペースを上回っています。
  • AI書記は、臨床医の負担と文書作成時間に対処し、妥当な品質のノートを作成します。

研究 の 目的:

  • AI書記の安全性と臨床転帰を評価すること。
  • AI書記が従来の文書化方法と比較して同等またはそれ以上の患者転帰を提供するかどうかを判断すること。

主な方法:

  • AI書記技術とその利点に関する新たなエビデンスのレビュー。
  • 文書作成時間、臨床医の負担、ノートの品質を報告する研究の分析。
  • AI書記と他のノート作成方法を比較する臨床転帰データの必要性の特定。

主要な成果:

  • AI書記は文書作成時間を短縮し、臨床医の負担を軽減します。
  • AI書記によって生成されたノートは、多くの場合、妥当な品質です。
  • AI書記の安全性と臨床転帰に関するエビデンスは現在不足しています。

結論:

  • AI書記の採用は急速であり、認識されている利点によって推進されています。
  • AI書記の安全性と臨床的有効性を確立するためには、緊急の研究が必要です。
  • 臨床転帰データは、ヘルスケア設定でのAI書記の使用を検証するために不可欠です。