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

Maxwell-Boltzmann Distribution: Problem Solving01:20

Maxwell-Boltzmann Distribution: Problem Solving

1.6K
Individual molecules in a gas move in random directions, but a gas containing numerous molecules has a predictable distribution of molecular speeds, which is known as the Maxwell-Boltzmann distribution, f(v).
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
1.6K
Fast Fourier Transform01:10

Fast Fourier Transform

399
The Fast Fourier Transform (FFT) is a computational algorithm designed to compute the Discrete Fourier Transform (DFT) efficiently. By breaking down the calculations into smaller, manageable sections, the FFT significantly reduces the computational complexity involved. Direct computation of an N-point DFT requires N2 complex multiplications, whereas the FFT algorithm needs only (N/2)log⁡2N multiplications, offering a much faster performance.
The computational efficiency of the FFT becomes...
399
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving01:29

Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving

84
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
84
Area Computation by the Alternative Coordinate Method01:24

Area Computation by the Alternative Coordinate Method

89
The alternative coordinate method, also known as the Shoelace Formula, is a technique for determining the area of a traverse using Cartesian coordinates. This method relies on the sequential arrangement of x and y coordinates for each point of the shape, ensuring accuracy and ease of application.In this approach, each corner's x and y coordinates are listed as fractions, with the x-coordinate as the numerator and the y-coordinate as the denominator. These coordinates are arranged sequentially...
89
Extraction: Partition and Distribution Coefficients01:14

Extraction: Partition and Distribution Coefficients

2.6K
The distribution law or Nernst's distribution law is the law that governs the distribution of a solute between two immiscible solvents. This law, also known as the partition law, states that if a solute is added to the mixture of two immiscible solvents at a constant temperature, the solute is distributed between the two solvents in such a way that the ratio of solute concentrations in the solvents remains constant at equilibrium.
For extracting a solute from an aqueous phase into an...
2.6K
Expected Frequencies in Goodness-of-Fit Tests01:19

Expected Frequencies in Goodness-of-Fit Tests

2.6K
A goodness-of-fit test is conducted to determine whether the observed frequency values are statistically similar to the frequencies expected for the dataset. Suppose the expected frequencies for a dataset are equal such as when predicting the frequency of any number appearing when casting a die. In that case, the expected frequency is the ratio of the total number of observations (n)  to the number of categories (k).
2.6K

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

Deep nitrogen removal in biochar-coupled pyrite constructed wetlands driven by targeted microbial succession: anti-passivation and electron transfer mechanisms.

Bioresource technology·2026
Same author

Performance and wastewater treatment efficiency of artificially prepared aerobic granular sludge.

Biodegradation·2026
Same author

Resilience of submarine groundwater discharge to extreme drought in a large river-dominated estuary: A case study of the Changjiang Estuary.

Marine environmental research·2026
Same author

Online fast detection of 2-ethylhexanol released from overheated plastics by thermoelectric cooling atmospheric pressure photoionization ion mobility spectrometry for early warning of electrical fires.

Talanta·2026
Same author

[Relationship between prognosis and mean arterial pressure of in-hospital cardiac arrest patients during cardiopulmonary resuscitation].

Zhonghua wei zhong bing ji jiu yi xue·2026
Same author

Targeted capture of active aluminum species by yttrium-doped zirconia membrane for synergistic antifouling in nutrient-enriched algal systems.

Water research·2026
Same journal

Modeling the impact of budget limitation on the screening and treatment pathway of HPV-induced precancerous cervical lesions.

Mathematical biosciences and engineering : MBE·2026
Same journal

Modeling the effects of trait-mediated dispersal on coexistence of two species: Competition and non-consumptive predator-prey.

Mathematical biosciences and engineering : MBE·2026
Same journal

A close look at the viral reduction rate in target cell limited models.

Mathematical biosciences and engineering : MBE·2026
Same journal

A stochastic agent-based model for simulating tumor-immune dynamics and evaluating therapeutic strategies.

Mathematical biosciences and engineering : MBE·2026
Same journal

Addressing domain shift via imbalance-aware domain adaptation in embryo development assessment.

Mathematical biosciences and engineering : MBE·2026
Same journal

Effect of drug resistance on an HIV epidemic in heterogeneous populations.

Mathematical biosciences and engineering : MBE·2026
查看所有相关文章

相关实验视频

Updated: Jul 26, 2025

High-Throughput Metabolic Profiling for Model Refinements of Microalgae
11:07

High-Throughput Metabolic Profiling for Model Refinements of Microalgae

Published on: December 4, 2021

3.8K

基于社区贡献的PBFT优化算法

Pengpeng Wang1, Xu Wang1, Yumin Shen1

  • 1School of Information and Control Engineering, Qingdao University of Technology, Qingdao 266520, China.

Mathematical biosciences and engineering : MBE
|June 16, 2023
PubMed
概括
此摘要是机器生成的。

一个新的基于社区贡献的实用拜占庭式故障容忍 (CSPBFT) 算法增强了基于区块链的社区治理. 这种优化的共识机制提高了数据安全性,可追溯性和参与者的参与度,以实现可扩展的社会治理系统.

关键词:
区块链区块链区块链区块链区块链社区数字治理 社区数字治理达成共识的算法共识算法高竞争力的高竞争力.通过量通过量.

更多相关视频

Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances
07:35

Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances

Published on: October 11, 2018

7.6K
Author Spotlight: Optimization of Processing Technology for Tiebangchui with Zanba Based on CRITIC Combined with Box-Behnken Response Surface Method
09:16

Author Spotlight: Optimization of Processing Technology for Tiebangchui with Zanba Based on CRITIC Combined with Box-Behnken Response Surface Method

Published on: May 12, 2023

1.2K

相关实验视频

Last Updated: Jul 26, 2025

High-Throughput Metabolic Profiling for Model Refinements of Microalgae
11:07

High-Throughput Metabolic Profiling for Model Refinements of Microalgae

Published on: December 4, 2021

3.8K
Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances
07:35

Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances

Published on: October 11, 2018

7.6K
Author Spotlight: Optimization of Processing Technology for Tiebangchui with Zanba Based on CRITIC Combined with Box-Behnken Response Surface Method
09:16

Author Spotlight: Optimization of Processing Technology for Tiebangchui with Zanba Based on CRITIC Combined with Box-Behnken Response Surface Method

Published on: May 12, 2023

1.2K

科学领域:

  • 区块链技术 区块链技术
  • 分布式系统 分布式系统
  • 社会治理 社会治理

背景情况:

  • 社区治理对于社会治理至关重要,需要安全高效的数字系统.
  • 现有的区块链解决方案在数据安全,可追溯性和参与者参与社区治理方面面临挑战.
  • 当前的共识算法在社区治理的大规模区块链网络中与高并发需求作斗争.

研究的目的:

  • 为基于区块链的社区治理提出一个优化的共识算法.
  • 解决现有的共识算法在处理大规模节点和高并发性方面的局限性.
  • 加强数据安全,可追溯性和参与者对社区数字治理的热情.

主要方法:

  • 引入了一个基于社区贡献的实用拜占庭式故障容忍 (CSPBFT) 算法.
  • 实现了基于角色的共识节点,具有差异化的权限.
  • 设计了一个双层共识网络,分阶段处理数据,以减少通信复杂性.

主要成果:

  • 与标准PBFT相比,CSPBFT可以将通信复杂性从O(N^2) 降低到O(N^2/C^3).
  • 通过100-400个节点实现2000个TPS的共识吞吐量.
  • 维持了1000个节点的1000 TPS以上的即时并发,满足社区治理需求.

结论:

  • 拟议的CSPBFT算法有效地提高了基于区块链的社区治理的共识性能.
  • 优化版权管理,网络分层和共识阶段化提高了可扩展性和效率.
  • CSPBFT为安全,可追踪和引人入胜的社区数字治理提供了可行的解决方案.