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As a basic component, electrical connectors play a major role in the transmission and control of electric signals. In this paper, SubMiniature version A (SMA) coaxial connectors, which are widely used in the microwave equipment and radio frequency circuits, were taken as the research objects to investigate...

In this paper, an image approximation method is proposed. The method approximates the given image by preserving image's average color and color contrast. The experimental results show that the proposed method usually yields satisfactory results.

In view of the traditional rear wheel drive mining equipment has such problems as lack of climbing perfor-mance and skid in harsh environments, a front axle drive scheme is proposed. That increases the driving force of the overloading uphill and the braking force of the overloading downhill of the dump...

This paper investigates a continuous-time mean-variance portfolio selection problem with Ho-Lee stochastic interest rates. Compared with the mean-variance model with deterministic interest rate, a verification theorem without the classical Lipschitz and growth conditions is required to solve our portfolio...

To synthesize a core-shell structure for preparing nano-sized WC powder, four kinds of organics were adopted as carbon sources and their carbonization characteristics were investigated. The results showed that organic type severely affected the structure and quality of the product. Using starch as carbon...

This paper through the combing of the relevant literatures of financial competitiveness of enterprises, combined with the financial characteristics of the insurance industry, build an index system to evaluate the financial competitiveness of listed insurance companies. Through the method of factor analysis,...

Status is a symbol of one’s family, career and society. Identity is very important for individuals, because it will have a very important impact on individuals’ self-cognition and their cognition of other social objects. Some people believe that the identity of an individual will change with the changes...

Buildings in China account for 45.5% of the country’s total energy consumption. As part of the electric infrastructure, substation buildings house large-scale equipment prone to over-heating, necessitating substantial energy for cooling. In this study, we aimed to investigate the energy-saving potential...

Objective: this study examined the effects of flavonoids from Eucommia ulmoides (FEU) on antioxidant systems, lipid peroxidation and oxidative deoxyribonucleic acid (DNA) damage after exhaustive exercise. Methods: the mice were then divided into four groups, one control group and three FEU treated groups....

An early development in testing for causality (technically, Granger non-causality) in the conditional variance (or volatility) associated with financial returns, was the portmanteau statistic for non-causality in variance of Cheng and Ng (1996). A subsequent development was the Lagrange Multiplier (LM)...

The laser-cutting machine in line with the current manufacturing trend, small amount of diversification, elimination of the cost of molds, capability to finish the products through software, can reduce the processing time and with high quality. The case company is an agent of spare parts and laser-cutting...

In today’s society, happiness has attracted more and more attentions from researchers. It is interesting to study happiness from the perspective of data mining. In psychology domain, the application of data mining gradually becomes widespread and popular, which works from a novel data-driven viewpoint....

With the continuous deepening of power market and the continuous expansion of power grid scale, power grid budget management is facing increasingly severe challenges, and optimizing the allocation of budget resources has become an important measure to improve the operation efficiency and economic benefits...

With the progress of science and technology, the computer experiment teaching model has been promoted, verifying test has been decreasing, and computer teaching experiment plays an important role in teaching. Currently, for the shortcomings and limitations in the computer experiment teaching, a reasonable...

The Taiwan Photon Source at National Synchrotron Radiation Research Center selects the KEK-B type superconducting radio-frequency (SRF) module to deliver RF energy to the 3-GeV electrons circulated in the storage ring. Each SRF module has its own control valve box to adjust the flow rate of transferring...

The solution of New Contradictions is a research hotspot with the view of project management. In order to study the contribution of furniture design in solving New Contradictions, this article discusses the connotation and value of home, furniture and furniture design from six aspects: the basis of life,...

This paper analyzed the input and transfer processes of Cu in waters of Jiaozhou Bay, Shandong Province, eastern China. Results showed that the input of Cu was stream flow discharge and atmospheric deposition; while the major transfer processes of Cu was vertical sedimentation and horizontal diffusion....

In this paper, a feature-preserving interpolative vector quantization method is proposed to compress images. The proposed method preserves the average color and color contrast on generating the approximation image and preserves mean, variance, and average radius on quantizing the residual image which...

A novel approach to achieving user-defined business process based on web modeler is proposed and experimentally demonstrated. The modeler which is based on AngularJS providing MVC design pattern and mainly composed by stencil set, canvas, gives us an opportunity to encapsulate the common elements of...

The aging population in Hangzhou is becoming larger and larger, and the old-age pension institutions are becoming an important supplement to the elderly. In May 2016, the results of the group's survey on the willingness and demand of the elderly in Hangzhou showed that the willingness of the elderly...

Dynamic analysis of nonlocal-gradient elastic nano-beams resting on an elastic foundation is investigated in this paper. The nonlocal-gradient elastic beam model, which has two independent gradient coefficients, based on the classical nonlocal elasticity theory and strain gradient theory, can be interpreted...

Capacity is one of the basic problems for wireless networks which determine its performance. With the fast development of Multi-channel technology and VANET, the capacity of Multi-channel VANET has been crucial issue needing to a in-depth solution. In the paper, the capacity of Multi-channel VANET is...

For the education system of a country, colleges and universities play the role of the main force of scientific research from the beginning to the end. Based on the undergraduate training data of 17 colleges and universities in Hunan Province, this paper establishes the efficiency evaluation system of...

Purpose: Delirium is a frequent occurrence amongst Intensive Care Unit (ICU) patients, but studies on its causes are sparse and its risk factors vary from disease to disease. Here, in this study, an attempt was made to investigate the factors associated with the prognosis of delirium in the ICU. Methods:...

This development research aims to develop Chinese digital teaching material for 10th-grade topic 个人 信息 [gèrén xìnxī] (self-introduction) based on flipbook. The research method in this development is the Research and Development (R & D) method using the DDD-E model. Following the development model...

Abstract—The accurate modeling of primary users (Pus) behavior is important and crucial to cognitive radio (CR). The method to detect idle frequencies, not used by primary users’ (Pus’) has been widely investigated recent years. Existing researches need to estimate and select the threshold of the energy...

End statin is an endogenous inhibitor of angiogenesis, specifically acting on endothelial cells, inhibiting its migration, inducing its apoptosis, thus inhibiting the forming of new vessels and tumor growth. But it is not clear about the synergetic mechanism, action characteristic and best regimen. This...

Over the past few decades, nano-sized semiconductor powders for use as photocatalytic degradation of organic pollutants have attracted attention due to many advantages. In this research, a new composite material WO3-ZnO/molecular sieves (MS) was synthesized by precipitation method and hydrothermal method....

With the continuous advancement of information technology, aerospace technology has become one of the crucial directions in informatization construction. Intelligent intelligence perception based on the fusion of space-air-ground multi-modal data refers to the acquisition of data through means such as...

This study concentrates on introducing IaaS (infrastructure as a service) cloud computing infrastructure into the physical server for an enterprise. We build several virtual machines to simulate the system architecture on a high computing power server. The virtual machine is implemented on windows server...

The research object is an endangered minority language of Primi on the southern dialect. This paper takes isolated-word of Primi as the primitive and uses large vocabulary of speech corpora based on HTK. The effect of different quantity of vocabularies, the sample ratio of training and testing, and the...

As an important participant in the global economy, China actively promotes and implements CRS to strengthen cross-border taxation mechanisms and address the cross-border tax avoidance issues of domestic taxpayers. China’s implementation progress includes key steps such as signing a multilateral tax collection...

Medical tourism is one of the fastest-growing industries in the world as many patients are looking to access healthcare services that are not available to them in their home countries. Many hospitals and healthcare centers are now offering numerous products and services in order to fully reap the benefits...

The artistic creation of modern painting artist Marc Chagall is full of absurdity and his strong artistic emotion is displayed in his works with unique aesthetic characteristics. On the basis of a comprehensive understanding of Chagall’s art, this article takes his representative work “Lovers Under the...

To mitigate the phase noise, we propose Spiral QAM in CO-OFDM. Simulation results, based on 40-GS/s CO-OFDM systems, show that 16 Spiral QAM can increase the phase noise tolerance, as compared to square 16 QAM.

As a superconducting radio-frequency (SRF) cavity is a thin-shell structure with several thin bellows to bridge to its cryostat, any external excitation readily induces oscillations. The operation of a SRF module becomes unstable when the RF resonant frequency varies, due to mechanical vibrations, to...

Hydromechanics not only owns the strong theory, but also combines closely with the actual world. Characteristics such as multi-conception, strict logicality, abstraction and vapidity make it difficult to understand. Four aspects about Hydromechanics teaching are studied and discussed in this paper. They...

How to make full use of resources in the cloud to efficiently schedule tasks is an important issue in the field of cloud computing. This paper proposes a cloud computing task scheduling algorithm based on optimized Differential Evolution Algorithm(DE), which introduces the initial population model based...

Southern Shaanxi region has abundant featured resources. However, due to lack of guidance of characteristics planning theories and methods, small towns gradually lost their own characteristics in the rapid development. Based on the interpretation of the concept and constitution of town's characteristics,...

In multi-component spectral analysis, informative variables selection is important to get satisfied performance. The present research intends to establish relationship between eggs freshness and NIR spectroscopy, and build a compact and robust calibration model. Graphically-oriented local multivariate...

With the continuous development of global economic integration and regionalization, since the 1980s, a growing number of emerging economies in the securities market choose to open itself in the international market for finance with cross-listings. Hong Kong as a special administrative region of P.R.C,...

This paper analyzes the research status and development trend of the Outcome-Based Education (OBE) teaching concept in undergraduate education, aiming to provide theoretical basis and practical reference for undergraduate teaching reform. By retrieving the CNKI, VIP and Wanfang databases, a total of...

This paper describes an experiment examining the effectiveness of evidence-informed policy to regulate fast food consumption. We reviewed existing literature on public health policies that target unhealthy products, mainly focusing on evidence-based policies. During a 6-month field experiment, health...

The shaping of the rural cultural tourism brand is an important way for the development of the rural tourism industry, and it is also an important measure for the implementation of rural revitalization. Taking Haiqing Tea in Qingdao Haiqing Town as a case, this paper constructs an evaluation model for...

To improve the efficiency of teaching world outlook and outlook on life, This paper concluded by the experience summary, investigation method and literature method. Firstly, the educators should reinforce their own education of world outlook and outlook on life; secondly, improve the communications between...

Due to the limitation of objective conditions, some university libraries can hardly change their “physical conditions” such as library buildings. In order to improve service quality, it is an effective method to use information technology to build “virtual conditions” of libraries. As an important content...

This proposal compares and analyzes the development trends of middle school teacher education reforms in the Mainland and Hong Kong. The common problems and countermeasures in the reform of teacher education in the two places under the new situation are explored. In the development prospects of the new...

Due to the Sino US trade war in recent years, the semiconductor industry in mainland China has faced strong international competition. The industry has been taking actively strategic transformation and upgrading technical level and the government policy has also greatly supported and assisted. Since...

The paper tests the impact of green innovation of listed companies on the debt maturity structure, and examines the adjustment effect of debt scale and the heterogeneity of property rights by taking the sample of the listed companies of Shanghai and Shenzhen Stock Exchanges from 2010 to 2019. The findings...

This article takes 21 destination cities in Guangdong Province as the research object, and conducts empirical analysis on the development of domestic tourism industry in Guangdong Province based on statistical data such as domestic tourist numbers and tourism revenue from 2014 to 2023 in the Guangdong...