相关实验视频

Updated: Feb 1, 2026

Author Spotlight: Investigating the Mechanisms of Neural Circuit Assembly and Synapse Formation in Drosophila
05:27

Author Spotlight: Investigating the Mechanisms of Neural Circuit Assembly and Synapse Formation in Drosophila

Published on: July 26, 2024

924

机器学习脱吸收光谱学揭示了Si-doped β-Ga2O3中的带隙收缩竞争

Zhao Zhang, Yihan Li, Zhen Li

    Optics letters
    |January 30, 2026
    PubMed
    概括

    在β-氧化物 (β-Ga2O3) 中的兴奋剂受到带间隙缩小的限制. 机器学习成功地分离了辅助剂和缺陷对这种缩小效应的贡献.

    更多相关视频

    Machine Learning Algorithms for Early Detection of Bone Metastases in an Experimental Rat Model07:15

    Machine Learning Algorithms for Early Detection of Bone Metastases in an Experimental Rat Model

    Published on: August 16, 2020

    7.5K
    Constructing and Visualizing Models using Mime-based Machine-learning Framework06:19

    Constructing and Visualizing Models using Mime-based Machine-learning Framework

    Published on: July 22, 2025

    2.5K

    相关概念视频

    Atomic Absorption Spectroscopy: Interference01:25

    Atomic Absorption Spectroscopy: Interference

    Interference leads to systematic error in atomic absorption (AA) measurements by enhancing or diminishing the analytical signal or the background. These interferences can be grouped into three main categories: spectral interference, chemical interference, and physical interference.
    Spectral interference occurs when signals from other elements or molecules overlap with the analyte signal, falsely elevating or masking the analyte's absorbance. This interference can be corrected using Zeeman,...
    2.1K
    Molecular Spectroscopy: Absorption and Emission01:14

    Molecular Spectroscopy: Absorption and Emission

    Molecules possess discrete energy levels called quantum states. Unlike atoms, which have simpler energy levels, molecules possess additional rotational and vibrational energy levels.  Each energy level is separated by an energy gap, with the gaps between adjacent electronic, vibrational, and rotational levels varying significantly. The three types of energy levels in a diatomic molecule are shown in Figure 1.
    4.5K
    Atomic Absorption Spectroscopy: Overview01:27

    Atomic Absorption Spectroscopy: Overview

    Atomic absorption spectroscopy (AAS) is a technique used to analyze elements by measuring electromagnetic radiation (EMR) absorbed by atoms, which causes them to transition to a higher-energy orbit. The most crucial step in AAS is atomization, where the analyte is converted into gas-phase atoms, typically through a flame or furnace. Some of these atoms become thermally excited in the flame, while most remain in the ground state.
    When irradiated by EMR of a particular wavelength, these...
    3.5K
    Atomic Absorption Spectroscopy: Instrumentation01:22

    Atomic Absorption Spectroscopy: Instrumentation

    An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation source can be a hollow-cathode lamp (HCL) or an electrodeless-discharge lamp (EDL), both of which provide a narrow emission line of the required wavelength. However, some instruments use continuum sources and high-resolution monochromators to achieve a narrow range of radiation.
    The atomizer used in AAS can be either a flame atomizer or an...
    1.7K
    Atomic Absorption Spectroscopy: Lab01:21

    Atomic Absorption Spectroscopy: Lab

    For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, animal tissues, and minerals. Common methods for sample preparation include treatment with hot mineral acids, wet ashing, combustion in closed containers, high-temperature ashing, or fusion with reagents.
     Solutions containing organic solvents, such as low-molecular-mass alcohols, esters, or ketones, enhance absorbances by increasing...
    1.1K
    Competition02:34

    Competition

    When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
    24.8K