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相关概念视频

The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
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Quantum Numbers02:43

Quantum Numbers

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It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
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The de Broglie Wavelength02:32

The de Broglie Wavelength

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In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
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Atomic Orbitals02:44

Atomic Orbitals

33.6K
An atomic orbital represents the three-dimensional regions in an atom where an electron has the highest probability to reside. The radial distribution function indicates the total probability of finding an electron within the thin shell at a distance r from the nucleus. The atomic orbitals have distinct shapes which are determined by l, the angular momentum quantum number. The orbitals are often drawn with a boundary surface, enclosing densest regions of the cloud.
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Hybridization of Atomic Orbitals I03:24

Hybridization of Atomic Orbitals I

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The mathematical expression known as the wave function, ψ, contains information about each orbital and the wavelike properties of electrons in an isolated atom. When atoms are bound together in a molecule, the wave functions combine to produce new mathematical descriptions that have different shapes. This process of combining the wave functions for atomic orbitals is called hybridization and is mathematically accomplished by the linear combination of atomic orbitals. The new orbitals that...
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Hybridization of Atomic Orbitals II03:35

Hybridization of Atomic Orbitals II

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sp3d and sp3d 2 Hybridization
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相关实验视频

Updated: Jul 5, 2025

Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics
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Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics

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语音控制的量子化学

Umberto Raucci1,2, Alessio Valentini1,2, Elisa Pieri1,2

  • 1Department of Chemistry and The PULSE Institute, Stanford University, Stanford, CA, USA.

Nature computational science
|January 13, 2024
PubMed
概括
此摘要是机器生成的。

亚马逊Alexa的新技能ChemVox能够通过语音控制进行量子化学计算. 这一创新使得复杂的计算化学能够被更广泛的科学界所接受.

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Gradient Echo Quantum Memory in Warm Atomic Vapor
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Gradient Echo Quantum Memory in Warm Atomic Vapor

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Last Updated: Jul 5, 2025

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Gradient Echo Quantum Memory in Warm Atomic Vapor
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科学领域:

  • 计算化学和人工智能.
  • 在科学研究中的自然语言处理.

背景情况:

  • 人工智能 (AI) 和机器学习已经大大推进了科学研究.
  • 虚拟助理和语音控制在自然科学应用中未得到充分利用.
  • 量子化学计算是计算密集的,需要专门的专业知识.

研究的目的:

  • 介绍ChemVox,一个交互式的亚马逊Alexa技能,用于执行量子化学计算.
  • 为了弥合语音控制人工智能和自然科学研究之间的差距.
  • 为更广泛的受众提高计算化学工具的可访问性.

主要方法:

  • 开发一个叫做ChemVox的交互式亚马逊Alexa技能.
  • 用户命令的语音识别集成.
  • 连接Alexa与云计算资源进行量子化学计算.
  • 通过一个支持Alexa的设备传递计算结果.

主要成果:

  • ChemVox通过语音命令成功执行量子化学计算.
  • 该应用程序展示了在科学计算中使用虚拟助理的可行性.
  • 结果通过Alexa设备返回给用户.

结论:

  • ChemVox显著提高了计算化学的可访问性.
  • 这项技术为自然科学中常规使用语音控制的人工智能铺平了道路.
  • 未来的应用可能会扩展到其他复杂的科学计算.