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相关概念视频

Short-distance Transport of Resources02:12

Short-distance Transport of Resources

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Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
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Block Diagram Reduction01:22

Block Diagram Reduction

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The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...
247
Design Example: Design of an Irrigation Channel01:27

Design Example: Design of an Irrigation Channel

140
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...
140
Uniform Depth Channel Flow: Problem Solving01:18

Uniform Depth Channel Flow: Problem Solving

90
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
90
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

138
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
138
IP3/DAG Signaling Pathway01:11

IP3/DAG Signaling Pathway

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Membrane lipids such as phosphatidylinositol (PI) are precursors for several membrane-bound and soluble second messengers. Specific kinases phosphorylate PI and produce phosphorylated inositol phospholipids. One such inositol phospholipids are the  phosphatidylinositol-4,5 bisphosphate [PI(4,5)P2], present in the inner half of the lipid bilayer. Upon ligand binding, GPCR stimulates Gq proteins to turn on phospholipase Cꞵ. Activated phospholipase Cꞵ cleaves PI(4,5)P2 and...
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相关实验视频

Updated: Jul 23, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

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为资源有限的平台进行三阶段全球道修剪.

Yijie Chen, Rui Li, Wanli Li

    IEEE transactions on neural networks and learning systems
    |July 11, 2023
    PubMed
    概括

    本研究介绍了一种新的三阶段全球通道修剪方法,用于深度神经网络 (DNN). 该方法增强了资源有限的设备的模型压缩,提高了对象检测任务的效率和性能.

    科学领域:

    • 计算机科学 计算机科学
    • 人工智能的人工智能
    • 机器学习 机器学习

    背景情况:

    • 深度神经网络 (DNN) 显示出出色的性能,但在车辆和无人机等资源有限的设备上面临部署挑战.
    • 模型压缩技术对于减少嵌入式系统的参数和计算至关重要.
    • 现有的三阶段全球通道修剪方法与不均的稀疏性,网络损坏和减少修剪比率作斗争.

    研究的目的:

    • 为DNN开发一个改进的全球通道修剪方法.
    • 增强模型压缩,以便在资源有限的硬件上高效地部署.
    • 克服现有修剪技术的局限性,例如不均的稀疏性和结构损坏.

    主要方法:

    • 实施了元素级热图引导的稀疏性培训,以实现均的稀疏性分布.
    • 提出了一种全球道修剪方法,将全球和本地道重要性指标结合起来.
    • 引入了道替换政策 (CRP),以保证修剪比率,即使是高率.

    主要成果:

    • 实现了更均的稀疏分布,导致更高的修剪比率和更好的性能.
    • 更有效地成功地识别和修剪不重要的道.
    • 与最先进的方法相比,证明了优越的修剪效率.

    更多相关视频

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    Procedure for the Development of Multi-depth Circular Cross-sectional Endothelialized Microchannels-on-a-chip
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    相关实验视频

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    结论:

    • 拟议的方法为DNN的修剪效率提供了显著的改进.
    • 它非常适合在资源有限的设备上部署对象检测.
    • 这种方法有效地解决了现有的道修剪技术的局限性.