Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Design Example: Design of an Irrigation Channel01:27

Design Example: Design of an Irrigation Channel

1.3K
Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...
1.3K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Design, synthesis and evaluation of dual modulators targeting glutaminyl cyclase and cannabinoid CB2 receptor.

European journal of medicinal chemistry·2026
Same author

Kinetic-Directed Thermodynamic Repair Enables the Synthesis of High-Strain 2D Sub-Stoichiometric COFs.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Reduction of fentanyl-induced cough by low-dose nalbuphine pretreatment during induction of general anesthesia in children: a randomized controlled trial.

Frontiers in pediatrics·2026
Same author

Research on the influencing factors and mechanism of AR e-commerce consumers' purchase intention.

PloS one·2026
Same author

A Deep Dual-Domain Interaction Reconstruction Framework With Adaptive Gating Fusion for Low-Field MRI.

NMR in biomedicine·2026
Same author

Development and characterization of a 1-2 MeV electron beam platform with magnetic focusing and steering for shallow high-dose-rate irradiation.

Physics in medicine and biology·2026

相关实验视频

Updated: May 5, 2026

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
10:21

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Published on: May 5, 2016

10.5K

基于两个通道的地下缺陷检测系统的设计.

Gengyang Chen, Tengda Zhang, Pan He

    Optics express
    |November 22, 2024
    PubMed
    概括

    这项研究引入了一种新的双通道系统,用于检测光学元件中的微和纳米级地下缺陷. 该系统通过优化光圈设计和点大小来实现高灵敏度,低至100纳米,用于准确的缺陷分析.

    科学领域:

    • 光学工程是指光学工程.
    • 计量学 计量学 计量学
    • 材料科学 材料科学 材料科学

    背景情况:

    • 对光学元件的地下缺陷的准确检测对于质量控制至关重要.
    • 现有的方法难以同时检测微米和纳米尺度上的缺陷.

    研究的目的:

    • 开发一种能够独立检测微和纳米尺度地下缺陷的系统.
    • 为了提高地下缺陷检测的灵敏度和信号噪声比.

    主要方法:

    • 分析地下划痕散射现场模型和模拟实验.
    • 设计和实施一个双通道实验系统与可调节的点大小.
    • 开发一个专门的光圈以尽量减少表面干扰.

    主要成果:

    • 双通道系统成功地区分了微米 (窄通道) 和纳米 (宽通道) 缺陷.
    • 设计的光圈明显改善了信号噪声比,达到100纳米的检测灵敏度.
    • 在数据处理方面,四分区间范围 (IQR) 算法被证明是最有效的.

    结论:

    • 开发的系统可以有效地检测微和纳米层次的地下缺陷.
    • 斑点大小的动态调整优化了检测速度和灵敏度,较小的斑点有利于纳米级缺陷检测.

    更多相关视频

    Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles
    11:54

    Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

    Published on: March 13, 2017

    9.2K
    Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
    11:34

    Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

    Published on: May 15, 2017

    11.1K

    相关实验视频

    Last Updated: May 5, 2026

    Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
    10:21

    Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

    Published on: May 5, 2016

    10.5K
    Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles
    11:54

    Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

    Published on: March 13, 2017

    9.2K
    Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
    11:34

    Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

    Published on: May 15, 2017

    11.1K
  • 专门的光圈对于提高检测灵敏度和精度至关重要.