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相关概念视频

Virtual Work01:20

Virtual Work

834
The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
834
Short-distance Transport of Resources02:12

Short-distance Transport of Resources

16.0K
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.
16.0K
Carrier-Mediated Transport01:06

Carrier-Mediated Transport

415
Carrier-mediated transport is a pivotal process in drug absorption, particularly for lipid-insoluble drugs, and encompasses facilitated diffusion and active transport. Facilitated diffusion allows drugs to move along their concentration gradient without energy expenditure, while active transport utilizes ATP to drive drug movement against this gradient.
Active transport involves two types of membrane-spanning transporters: uptake and efflux. Uptake transporters are expressed in the small...
415
Multimachine Stability01:25

Multimachine Stability

151
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
151
Communication01:03

Communication

7.7K
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
7.7K
Asymmetric Lipid Bilayer01:35

Asymmetric Lipid Bilayer

7.2K
Biological membranes show uneven distribution of different types of lipids in the inner and outer layers, resulting in transverse asymmetric membranes. The treatment of the erythrocyte membrane with the enzyme phospholipase confirmed the asymmetric nature of the lipid bilayer. The enzyme hydrolyzes lipids into fatty acids and hydrophilic groups. The phospholipase acts only on the outer layer of the membrane, while the inner layer remains intact. The phospholipase treatment resulted in 80%...
7.2K

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相关实验视频

Updated: Jun 30, 2025

Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem
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Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem

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一个轻量级和安全的协议,用于远程工作环境.

Fahad Algarni1, Saeed Ullah Jan2

  • 1Faculty of Computing and Information Sciences, University of Bisha, Bisha, Saudi Arabia.

PloS one
|March 21, 2024
PubMed
概括
此摘要是机器生成的。

本研究介绍了一种安全的身份验证协议,以加强远程工作系统对抗网络威胁. 拟议的方法显著提高了安全性和效率,为计算和通信提供了巨大的成本节约.

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Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
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Author Spotlight: Automated Deep Brain Stimulation for Parkinson's Disease - Exploring the Possibilities and Challenges of Home Monitoring
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科学领域:

  • 计算机科学 计算机科学
  • 网络安全 网络安全
  • 网络安全 网络安全

背景情况:

  • 远程工作系统提供方便,但容易受到各种安全威胁.
  • 现有的远程工作系统安全机制不足以解决所有已识别的漏洞.
  • 缺乏安全身份验证是当前远程工作环境中一个关键的安全问题.

研究的目的:

  • 提出一种轻量级且安全的协议,用于验证远程工作系统中参与者的身份.
  • 确保在远程工作环境中有效和安全地获得所需的服务.
  • 解决已识别的安全问题,包括内部威胁,被盗的验证人员,伪装,重播,可追溯性和假冒身份.

主要方法:

  • 使用随机预言模型 (ROM) 进行正式安全分析.
  • 通过ProVerif模拟进行安全验证.
  • 通过插图和攻击讨论进行非正式的安全分析.
  • 基于计算和通信开销的性能评估.

主要成果:

  • 拟议的协议为远程工作系统提供了一个安全的身份验证机制.
  • 正式和非正式的分析证实了该协议对各种攻击的稳定性.
  • 性能指标显示,与之前的工作相比,计算成本有73%的改善,通信成本有34%的改善.

结论:

  • 开发的协议为确保远程工作环境提供了卓越和高效的解决方案.
  • 通过显著的性能增强来证明该协议适合实施.
  • 这项研究有助于建立更安全,更可靠的远程工作基础设施.