Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Measurement: Standard Units03:38

Measurement: Standard Units

78.9K
Every measurement provides three kinds of information: the size or magnitude of the measurement (a number), a standard of comparison for the measurement (a unit), and an indication of the uncertainty of the measurement. While the number and unit are explicitly represented when a quantity is written, the uncertainty is an aspect of the errors in the measurement results.
78.9K
Measurement: Derived Units03:02

Measurement: Derived Units

54.7K
The International System of Units or SI system, by international agreement, has fixed measurement units for seven fundamental properties: length, mass, time, temperature, electric current, amount of substance, and luminosity. These are called the SI base units.
54.7K
Motor Units00:46

Motor Units

61.8K
A motor unit consists of two main components: a single efferent motor neuron (i.e., a neuron that carries impulses away from the central nervous system) and all of the muscle fibers it innervates. The motor neuron may innervate multiple muscle fibers, which are single cells, but only one motor neuron innervates a single muscle fiber.
61.8K
Motor Units01:13

Motor Units

7.6K
The motor unit is a fundamental component of the neuromuscular system and plays a crucial role in coordinating muscle contractions. It consists of a somatic motor neuron, which connects and controls multiple skeletal muscle fibers, forming a single functional segment. The axon of the motor neuron branches out and establishes synaptic connections known as neuromuscular junctions with individual muscle fibers within the motor unit.
Motor units come in different sizes, with smaller units...
7.6K
Units of Measurement01:27

Units of Measurement

4.7K
Mechanical engineering is one of the oldest branches of engineering. It deals with designing, analyzing, and manufacturing machines and mechanical systems. To ensure precise and accurate calculations, units of measurement are used. They provide a standard system for expressing and comparing physical quantities.
There are various well-known historical measurement systems, such as the Babylonian system, the Roman system, the Egyptian system, the Olympian system, the British system, and the Indus...
4.7K
International System of Units01:29

International System of Units

4.8K
The International System of Units, known as the SI system, is a universally accepted measurement system recognized and used worldwide. The SI system is based on a set of three base units considered absolute, and their values do not change with location. These base units are meters, kilograms, and seconds.
Prefixes are used to define both larger and smaller quantities in the SI system. For example, milli, micro, and nano define smaller quantities, while kilo, mega, and giga are used to define...
4.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Liquiritin alleviates synovial inflammation in mouse model of knee osteoarthritis by promoting M2 macrophage polarization via modulation of PI3K/Akt signaling pathway].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica·2026
Same author

Mechanism Study on Liquiritin Alleviating Nociceptive Sensitization in Knee Osteoarthritis via Promoting M2 Macrophage Polarization Through Regulation of the Rap1/PI3K/Akt Signaling Pathway.

Phytotherapy research : PTR·2026
Same author

All-Optical Single-Channel Plasmonic Logic Gates.

Nano letters·2025
Same author

Risk factors for hepatocellular carcinoma in cirrhosis: A comprehensive analysis from a decade-long study.

World journal of gastrointestinal oncology·2024
Same author

SPI1-Mediated Upregulation of the <i>CST1</i> Gene as an Independent Poor Prognostic Factor Accelerates Metastasis in Esophageal Squamous Cell Carcinoma (ESCC) by Interacting with MMP2.

Frontiers in bioscience (Landmark edition)·2023
Same author

Deep-Learning-Assisted Simultaneous Target Sensing and Super-Resolution Imaging.

ACS applied materials & interfaces·2023

Related Experiment Video

Updated: Jan 27, 2026

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
09:33

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

6.7K

Terahertz multichannel metasurfaces with sparse unit cells.

Li-Zheng Yin, Tie-Jun Huang, Feng-Yuan Han

    Optics Letters
    |April 2, 2019
    PubMed
    Summary
    This summary is machine-generated.

    Researchers developed a new method for designing multichannel metasurfaces using sparse unit cells, reducing manufacturing complexity while maintaining high efficiency. This breakthrough simplifies the design of advanced reflective surfaces for wave control.

    More Related Videos

    Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
    07:28

    Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

    Published on: August 30, 2012

    11.1K
    Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
    10:54

    Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

    Published on: July 8, 2013

    15.3K

    Related Experiment Videos

    Last Updated: Jan 27, 2026

    Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
    09:33

    Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

    Published on: June 7, 2019

    6.7K
    Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
    07:28

    Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

    Published on: August 30, 2012

    11.1K
    Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
    10:54

    Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

    Published on: July 8, 2013

    15.3K

    Area of Science:

    • Metasurfaces and wave manipulation
    • Electromagnetics and optics
    • Nanophotonics and metamaterials

    Background:

    • Reflective multichannel metasurfaces control wave propagation in multiple directions simultaneously.
    • Current metasurface designs require high spatial resolution, leading to manufacturing challenges.

    Purpose of the Study:

    • To propose a novel method for designing multichannel metasurfaces with reduced complexity.
    • To demonstrate the feasibility of sparse unit cell designs for efficient wave control.

    Main Methods:

    • Combining array antenna theory with metagratings theory.
    • Utilizing unit cells with linear gradient phase to eliminate space harmonics.
    • Designing and simulating terahertz multichannel metasurfaces.

    Main Results:

    • Successfully designed multichannel metasurfaces with a maximum of three unit cells per period.
    • Demonstrated that sparse unit cell designs maintain high efficiency.
    • Significantly reduced manufacturing complexity compared to traditional methods.

    Conclusions:

    • The proposed method enables the design of simplified, efficient multichannel metasurfaces.
    • This approach offers a new pathway for fabricating complex metasurface devices.
    • The findings have implications for advanced optical and electromagnetic applications.