scholarly journals Research on the Evolution Path of China’s Provincial Innovation Chain Model Based on Complex Network Model

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Xiangqian Li ◽  
Caiyun Chen ◽  
Li Huang ◽  
Huawei Chen ◽  
Cunquan Huang
Keyword(s):  
Complex Network ◽  
Equilibrium Model ◽  
Driving Force ◽  
High Efficiency ◽  
Development Model ◽  
Chain Model ◽  
Analysis Model ◽  
Evolution Path ◽  
Medium Level ◽  
Innovation Chain

By constructing a complex network analysis model, this paper analyzes the data of 31 selected provinces in China from 2010 to 2019, summarizes China’s provincial innovation chain development model, and then combined with the time series analyzes the evolution path of the model. The research shows that there is certain group proximity in China’s provincial innovation chain in each year, and there are eleven models in ten years. The evolution path of the provincial innovation chain development model is mainly manifested in the development trend of low-level to medium-level and then high-level equilibrium model. Increasing investment and improving efficiency are the leading driving force for the development of China’s provincial innovation chain. The medium-level equilibrium model runs through almost all years. Taking this as the node, the innovation driving force gradually changes from high investment to high efficiency.

scholarly journals ELASTIC DAMPER BASED ON THE CARBON NANOTUBE BUNDLE

2020 ◽  
Vol 18 (1) ◽  
pp. 001 ◽  
Author(s):  
Leysan Kh. Rysaeva ◽  
Elena A. Korznikova ◽  
Ramil T. Murzaev ◽  
Dina U. Abdullina ◽  
Aleksey A. Kudreyko ◽  
...  
Keyword(s):  
Phase Transition ◽  
Carbon Nanotube ◽  
Order Phase Transition ◽  
Degrees Of Freedom ◽  
High Efficiency ◽  
Mechanical Response ◽  
Compressive Strain ◽  
Period Doubling ◽  
Chain Model ◽  
Nanotube Bundle

Mechanical response of the carbon nanotube bundle to uniaxial and biaxial lateral compression followed by unloading is modeled under plane strain conditions. The chain model with a reduced number of degrees of freedom is employed with high efficiency. During loading, two critical values of strain are detected. Firstly, period doubling is observed as a result of the second order phase transition, and at higher compressive strain, the first order phase transition takes place when carbon nanotubes start to collapse. The loading-unloading stress-strain curves exhibit a hysteresis loop and, upon unloading, the structure returns to its initial form with no residual strain. This behavior of the nanotube bundle can be employed for the design of an elastic damper.

scholarly journals Термофорез углеродных наночастиц (нанолент и нанотрубок) на плоской многослойной подложке гексагонального нитрида бора (h-BN)

2021 ◽  
Vol 63 (12) ◽  
pp. 2217
Author(s):  
А.В. Савин
Keyword(s):  
Heat Flow ◽  
Carbon Nanoparticles ◽  
High Efficiency ◽  
Flat Surface ◽  
Graphene Nanoribbons ◽  
Hexagonal Boron Nitride ◽  
Viscous Medium ◽  
Chain Model ◽  
Effective Transfer ◽  
Thermal Vibrations

Using the method of molecular dynamics and a 2D chain model, it is shown that thermophoresis of carbon nanoparticles (nanoribbons and nanotubes) on a flat multilayer substrate (on a flat surface of a hexagonal boron nitride crystal) has high efficiency. Placing a nanoparticle on a flat surface of a substrate involved in heat transfer leads to its movement in the direction of the heat flow. The heat flow along the substrate leads to the formation of constant forces acting on the nanoparticle nodes (thermophoresis forces). The main effect of the force is exerted on the edges of graphene nanoribbons, exactly where the main interaction of the nanoribbon with the bending phonons of the substrate occurs. These phonons have a long free path, so the effective transfer of nanoparticles using thermophoresis can occur at sufficiently large distances. The motion of carbon nanoparticles under the action of a heat flow has the form of particle motion in a viscous medium under the action of a constant force. Over time, the nanoparticles always enter the mode of movement at a constant speed. The velocity of the stationary motion is almost the same for all sizes and types of carbon nanoparticles, which is explained by the fact that the thermophoresis force and effective friction have the same source – the interaction of the nanoparticle with the bending thermal vibrations of the substrate layers.

scholarly journals Prediction and Analysis of the Quality of Multimedia Professional Talents Combining Multiobjective Data Fuzzy Evolution

2021 ◽  
Vol 2021 ◽  
pp. 1-7
Author(s):  
Ao Luo ◽  
Yongfeng Yang
Keyword(s):  
High Efficiency ◽  
Analysis Data ◽  
High Accuracy ◽  
Quality Data ◽  
Practical Case ◽  
Analysis Model ◽  
Evolution Algorithm ◽  
Low Efficiency

In response to the relatively huge error, low efficiency, and low accuracy in the prediction and analysis data on the quality of multimedia professional talents at present, an analytical method for the prediction of the quality of multimedia professional talents based on the multiobjective data fuzzy evolutionary algorithm is proposed in this paper. The weights of the talent quality data are analyzed in detail mainly based on the multiobjective data fuzzy evolution algorithm to establish a prediction and analysis model for the quality of multimedia professional talents. This model can be used to implement the prediction and analysis of the comprehensive abilities of multimedia professional talents effectively. Finally, through a practical case study, it is verified that the method put forward in this paper has high efficiency and high accuracy in predicting and analyzing the quality of multimedia professional talents.

Cascading vulnerability analysis of unsafe behaviors of construction workers from the perspective of network modeling

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Pinsheng Duan ◽  
Jianliang Zhou
Keyword(s):  
Complex Network ◽  
Network Modeling ◽  
Vulnerability Analysis ◽  
Construction Workers ◽  
Cascading Failure ◽  
Failure Model ◽  
Analysis Model ◽  
Content Type ◽  
Unsafe Behavior ◽  
Unsafe Behaviors

PurposeThe construction industry is an industry with a high incidence of safety accidents, and the interactions of unsafe behaviors of construction workers are the main cause of accidents. The neglect of the interactions may lead to serious underestimation of safety risks. This research aims to analyze the cascading vulnerability of unsafe behaviors of construction workers from the perspective of network modeling.Design/methodology/approachAn unsafe behavior network of construction workers and a cascading vulnerability analysis model were established based on 296 actual accident cases. The cascading vulnerability of each unsafe behavior was analyzed based on the degree attack strategy.FindingsComplex network with 85 unsafe behavior nodes is established based on the collected accidents in total. The results showed that storing in improper location, does not wear a safety helmet, working with illness and working after drinking are unsafe behaviors with high cascading vulnerability. Coupling analysis revealed that differentiated management strategies of unsafe behaviors should be applied. Besides, more focus should be put on high cascading vulnerability behaviors.Originality/valueThis research proposed a method to construct the cascading failure model of unsafe behavior for individual construction workers. The key parameters of the cascading failure model of unsafe behaviors of construction workers were determined, which could provide a reference for the research of cascading failure of unsafe behaviors. Additionally, a dynamic vulnerability research framework based on complex network theory was proposed to analyze the cascading vulnerability of unsafe behaviors. The research synthesized the results of dynamic and static analysis and found the key control nodes to systematically control unsafe construction behaviors.

High efficiency analysis model for corrugated steel plate shear walls in modular steel construction

2020 ◽  
Vol 156 ◽  
pp. 106963
Author(s):  
En-Feng Deng ◽  
Liang Zong ◽  
Hai-Peng Wang ◽  
Feng-Wei Shi ◽  
Yang Ding
Keyword(s):  
High Efficiency ◽  
Steel Plate ◽  
Shear Walls ◽  
Efficiency Analysis ◽  
Analysis Model ◽  
Steel Plate Shear Walls ◽  
Steel Construction

Research on Nonlinear Driving Control and Driving Force Calibration of Pure Electric Vehicle

2014 ◽  
Vol 620 ◽  
pp. 297-305
Author(s):  
Hong Bo Zhou ◽  
Jian Bo Cao ◽  
Ze Xin Zhou ◽  
Tao Wang ◽  
Li Li Jin ◽  
...  
Keyword(s):  
Electric Vehicle ◽  
Driving Force ◽  
High Efficiency ◽  
Control Method ◽  
Permanent Magnet Synchronous Motor ◽  
Calibration Method ◽  
Battery Life ◽  
Accelerator Pedal ◽  
Force Calibration ◽  
Calibration Techniques

According to the main problems of nonlinear driving control and driving force calibration of pure electric vehicle, based on the research of permanent magnet synchronous motor control method, on the vehicle's driving force calibration techniques were studied, from the high efficiency and energy saving analysis of necessary driving force calibration, designed a new driving force calibration method, and drew the control curve of the accelerator pedal opening and the speed and the motor torque relationship between the three, and finally to pure electric self-developed to test platform for automotive related experiments. The experimental results show that, in the vehicle driving process, the driving force calibration technique compared with the previous calibration has better performance, while no obvious change of acceleration performance, the current value of the initial acceleration phase have been greatly decreased, could make the vehicle run more energy efficient, extended battery life and vehicle driving mileage.

scholarly journals Model Pengembangan Industri Kreatif Berbasis Syariah Di Provinsi Banten

2020 ◽  
Vol 1 (2) ◽  
pp. 187
Author(s):  
Tri Harjawati
Keyword(s):  
Secondary Data ◽  
Creative Industries ◽  
Development Model ◽  
Creative Industry ◽  
Analysis Model ◽  
Business People ◽  
Interactive Analysis ◽  
Islamic Civilization ◽  
Industrial Zones ◽  
Implementation Technique

This research is about the development of sharia-based industries in Banten Province. The goal is to find out how it’s developed and Development Model. The method used descriptive qualitative, data sources obtained from primary and secondary data. Technical analysis of data uses the interactive analysis model of Miles and Huberman. The results of the study indicate that the Development of Sharia-Based Creative Industries in Banten Province is still in the stage of drafting regulations and policies for Halal industrial zones. But indirectly the implementation technique has been running for the culinary and fashion sector (Muslim clothes). However, for future targets, the Development of Sharia-Based Creative Industries is more towards empowering Islamic boarding schools through entrepreneurs so they can create santripreneur. It’s can become centers of product excellence and centers of Islamic civilization. The Sharia-based Creative Industry Development Model in Banten Province is the form of buildings consisting of foundations, buildings and taps based on Islamic sharia boundaries. For the foundation in the form of creative beings, training can increase knowledge and creativity and the pillars consist of Industry, Technology, Natural Resources, Institutions and Financial Institutions. Tap here is the main actor, which consists of scholars/ communities, business people, and localgovernment.

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