Related Experiment Video
Updated: Dec 24, 2025

11:41
Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
Published on: February 1, 2020
20.8K
Evolution of Chinese airport network.
Jun Zhang1, Xian-Bin Cao1,2, Wen-Bo Du1,2
1School of Electronic and Information Engineering, Beihang University, Beijing, 100083, PR China.
Summary
The Chinese airport network (CAN) shows steady topology but dynamic internal changes affecting airport and airline importance. Traffic, including passengers and cargo, grows exponentially with seasonal patterns and city-dependent correlations.
Area of Science:
- Complex network theory applied to transportation systems.
- Economic geography and aviation infrastructure analysis.
Background:
- The aviation industry is crucial for global economic development.
- Airport networks serve as key indicators of economic growth.
Purpose of the Study:
- To investigate the evolution of the Chinese airport network (CAN) using complex network theory.
- To analyze the dynamics of traffic flow (passengers and cargo) within the CAN.
Main Methods:
- Application of complex network theory to model the Chinese airport network.
- Analysis of historical traffic data for passengers and cargo.
Main Results:
- CAN topology remained stable, but internal airport and airline importance shifted dynamically.
- Passenger and cargo traffic exhibited exponential growth with seasonal variations.
- Positive correlation between cargo and passenger traffic, varying by city type.
Conclusions:
- The Chinese airport network is evolving internally despite a stable overall structure.
- Traffic growth in the CAN is significant and shows predictable seasonal patterns.
- The relationship between passenger and cargo traffic is complex and city-specific.
Related Concept Videos
Viral Mutations
39.4K
A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
39.4K
Exon Recombination
4.0K
The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes.
Exon shuffling follows “splice frame rules.” Each exon...
Exon shuffling follows “splice frame rules.” Each exon...
4.0K
Synteny and Evolution
3.7K
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
3.7K
Gene Flow
37.2K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
37.2K
Latitudes and Departures
504
Latitudes and departures are essential concepts in surveying, providing a systematic way to analyze the projections of traverse lines. These projections allow surveyors to interpret a line's north-south and east-west components, which are crucial for precisely calculating areas, bearings, and lengths. Latitude is the north-south projection of a line, calculated as the product of the line's length and the cosine of its bearing. Departure, conversely, is the east-west projection obtained by...
504
Systems of Linear Equations in Two Variables
182
Solving a system of linear equations is a fundamental concept in algebra. A system of equations consists of two or more linear equations involving the same set of variables. One of the most efficient algebraic methods for solving such systems is the substitution method. This technique involves expressing one variable in terms of the other from one equation and substituting it into the second equation. This method is particularly useful when one of the equations is easily rearranged.Consider the...
182

