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With the frequent occurrence of default events, how to reduce the corporate default risk has become the focus of researches. Therefore, from the view of common owernship, we focuse on whether and how common owners reduce default risks. We study listed companies in China from 2010 to 2022 and find that...

At present, the game space has become an important expression space, in the specific situation of the mobile game world, the interaction between the player and the game, the interaction between the player and the player, to a certain extent, it shows the players’ cognition of gender culture in the game...

As group decision-making problems become increasingly complex and the decision-making environment continues to change, a large amount of uncertain information emerges in the decision-making process. How to express and deal with the uncertainty to make the decision results more reasonable is particularly...

With the increase of foundation pit excavation depth, the influence of groundwater on the horizontal displacement of the envelope structure during foundation pit excavation is becoming more and more obvious. The coupling of the sedimentation mechanism and the stress field is analyzed, the deformation...

As one of the core components of the social governance system, grassroots self-government organizations play an important role in assisting the Government in implementing management measures. However, problems such as grassroots self-government organizations banning people from returning to their homes,...

In the present work, we constructed the Chongqing Municipal Inspection Data Center leveraging the cloud native technology architecture. The system was designed as a regional medical inspection data management center, focusing on centralized management of medical inspection data access, comprehensive...

In order to highlight the characteristics of vocational college students in learning professional skills and emphasize the student-centered teaching philosophy. The article analyzes the prominent problems in current welding practice teaching, and guides the welding practice teaching steps through the...

In the live broadcast of e-commerce, users and anchors interact in real time through the bullet screen, so a large amount of user information and data are stored in the live broadcast bullet screen. Effectively utilizing this information and accurately identifying effective users can help e-commerce...

Information is very important data and is needed in various needs. Online news is one type of site that ranks in the top 10 most visited by internet users in Indonesia. Online news sites publish articles to the internet every minute. An online news corpus is necessary for information processing. Retrieval...

This research seeks to establish how machine learning (ML) can be used to improve hospitality services in the selected hotels in Ondo State, Nigeria. As quantitative research, the study adopts a systematic method of data collection and analysis with the hotel staff and guests. The application of customer...

Innovation is an essential approach to improving organizational performance. As the core element of supply chain management, supply chain integration has been widely concerned in promoting enterprise innovation. Although previous studies have examined the impact of supply chain integration on enterprise...

Lumbung Mataraman Kelompok Wanita Tani (KWT) Mawar Siyono Tengah has a greenhouse as part of the implementation of the Lumbung Mataraman program from the Daerah Istimewa Yogyakarta government. This greenhouse is used as a means of cultivating food plant seeds. Watering plant seedlings in the greenhouse...

In recent years, with the decreasing rural population and increasing fruit tree yield, the picking industry has seen a growing need for the emergence of picking robots. This paper first introduces the different types of apple-picking robots and then analyzes the advantages and disadvantages of their...

Amplang is an iconic snack of Samarinda which is mostly produced by small and medium enterprises. One of the SMEs that produced amplang in Samarinda is SMEs Ampang “Y”. Amplang “Y” was established in 2010. The production process of amplang in SMEs “Y” was conducted manually with six workers. The production...

Based on the panel data of listed enterprises in six central provinces from 2011 to 2022, this paper takes the r & D expenditure of enterprises as the intermediary variable, enterprise scale and government capital investment as the adjustment variable, constructs the mediation effect model, and explores...

Using the ReaxFF molecular dynamics method, we investigated the pyrolysis mechanisms of n-decane and its isomer (2-methyl-nonane) to assess how isomerization affects initial pyrolysis pathways and main product formation in straight-chain alkanes. The results indicate that at high temperatures, the initial...

This study explores how mental resilience mediates the relationship between social support and employment pressure in recent graduates, highlighting how resilience can help leverage social support to ease job-related stress and improve mental health and adaptability. A sample of 434 dance major graduates...

Decades of research into intelligent, playful technology and user-friendly man-machine interfaces has provided important insight into the creation of robotic systems and intelligent interactive systems which are much more user-friendly, safer and cheaper than what appeared possible merely a decade or...

Process change is often difficult to manage, let alone to predict. In this paper, adaptation function theory is used to illustrate how a system dynamics-based model can be used to anticipate the effects that process change policies and strategies will have on change execution. The adaptation function...

With the advent of Taguchi’s loss function, the concept of target and sticking to the target to achieve better process performance has become widely accepted. In practice, while estimating process performance, the gauge measurement error is not taken into consideration. In the real world scenario this...

Acceptance sampling is primarily used for the inspection of incoming or outgoing lots. Acceptance sampling refers to the application of specific sampling plans to a designated lot or sequence of lots. The parameters of acceptance sampling plans are sample sizes and acceptance numbers. In some cases,...

This paper investigates an attitude reorientation control scheme of spacecraft, considering attitude forbidden zone and external disturbances. A novel potential barrier function is proposed with an attitude constraint term and a dynamical scaling term. Here the dynamical scaling term is synthesized with...

Knowledge Management (KM) has become critical in today’s highly competitive, uncertain, and rapidly changing business environment. The objective of this study is to measure the effects of knowledge management processes (knowledge acquisition, knowledge sharing, knowledge creation and knowledge retention)...

The trust mechanism and trust model of mobile banking is especially urgent because of its high cognitive risk and poor experience. This article studies several key factors that affect the trust mechanism of mobile banking, such as structure assurance, ubiquity, information quality, initial trust, perceived...

Motivated by recent work on integrable flows of curves and 1+1 dimensional sigma models, several O(N)-invariant classes of hyperbolic equations Utx = f(U, Ut, Ux) for an N-component vector U(t, x) are considered. In each class we find all scalinhomogeneous equations admitting a higher symmetry of least...

The classical reduction of order for scalar ordinary differential equations (ODEs) fails for a system of ODEs. We prove a constructive result for the reduction of order for a system of ODEs that admits a solvable Lie algebra of point symmetries. Applications are given for the case of a system of two...

In this paper we present a method for deriving infinite sequences of difference equations containing well known discrete Painlevé equations by using the Bäcklund transformtions for the equations in the second Painlevé equation hierarchy.

The suq(2) algebra is shown to provide a natural dynamical algebra for some nonlnear models in Quantum Optics. Applications to the computation of eigenvalues and eigenvectors for the Hamiltonian describing second harmonics generation are proposed.

The two-dimensional unsteady coupled Burgers' equations with moderate to severe gradients, are solved numerically using higher-order accurate finite difference schemes; namely the fourth-order accurate compact ADI scheme, and the fourth-order accurate Du Fort Frankel scheme. The question of numerical...

We study symmetry properties of the Schrödinger equation with the potential as a new dependent variable, i.e., the transformations which do not change the form of the class of equations. We also consider systems of the Schrödinger equations with certain conditions on the potential. In addition we investigate...

We investigate the particle trajectories in an irrotational shallow water flow over a flat bed as periodic waves propagate on the water’s free surface. Within the linear water wave theory, we show that there are no closed orbits for the water particles beneath the irrotational shallow water waves. Depending...

The Banach fixed point theorem is used to prove the existence of a unique( w) periodic solution of a new type of nonlinear impulsive delay differential equation with a small parameter.

The human health risk assessment associated to the human exposure to polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) and metals for the population living near a hazardous waste landfill (HWL) in Catalonia (Spain) is here presented. In summer of 2009 and 2010, two monitoring campaigns were...

The paper is concerned with measuring of risks in managerial decision-making. It builds upon the uncertainty of economic information, which is converted into the concept of risk expressed in terms of probability and using confidence intervals and standard deviations of the predicted quantities. The paper...

Breast cancer is a threat to women’s health. Female adolescents need to be vigilant. This study aimed to analyze the relationship between dietary patterns, sedentary lifestyles, and breast cancer awareness among female adolescents. A cross-sectional approach with stratified random sampling was used....

During the 6th century CE, the construction of Buddhist cave-temples has been flourished in China despite the rapid regime change that took place in both the north and the south. The Northern Xiangtangshan cave temples as royal grottoes of the Northern Qi Dynasty (550-577), is a locus preserving an important...

Recently, Holm and Ivanov, proposed and studied a class of multi-component generalizations of the Camassa–Holm equations [D. D. Holm and R. I. Ivanov, Multi-component generalizations of the CH equation: geometrical aspects, peakons and numerical examples, J. Phys A: Math. Theor.43 (2010) 492001 (20pp)]....

We consider a fragmentation-coagulation equation with growth, where the nonlinear coagulation term, introduced in O. Arino and R. Rudnicki [2], is designed to model processes in which only a part of particles in the aggregates is capable of coalescence. We introduce various growth models, describing...

Concrete is a type of building structure material, both buildings, bridges, and roads. Concrete is a construction material obtained from mixing sand, gravel, or crushed stone, cement, and water. To improve the properties of concrete, several kinds of additives that have certain functions are added to...

In this paper, the particle emission characteristics of vegetables, meat and vegetables plus meat were studied when stir-frying was used as cooking aspect. The particle size, quantity and distribution of different food materials under the same cooking conditions were analyzed through field tests. The...

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...

The Covid-19 pandemic have impacted the instability of economy, especially for Micro, Small and Medium Enterprises (MSMEs). These SMEs have been experiencing a decrease in sales turnover. For this reason, MSMEs need to improve their strategies to be able to survive in the midst of this pandemic and to...

This research is aimed to find out the role of peer relationship during covid-19 pandemic. Data were collected by examining the primary sources of book and journal references related to the research. The analysis was done by connecting the problems of the concept with relevant theories. The result of...

The Indonesian government’s strategy to deal with the drastic decline in the Indonesian economy is to increase investment and domestic consumption. One of government’s modes to increase investment is that the government and Indonesian House of Representatives approve establishment of omnibus law, namely...

We propose all-solution processed white quantum dots light emitting devices (WQLEDs) based on CdSe/ZnS Quantum dots(QDs)/polymer hybrid emissive layer which was red, green and blue (RGB) QDs and blue emitting homo-polymer blending. The proposed WQLED showed higher brightness, external current efficiency...

Vocational ability is the practical requirement of tourism industry for tourism talents. The purpose of practical teaching reform of tourism management major is to promote vocational ability. On the basis of analyzing vocational ability that university graduates of applied tourism management should have,...

In this paper, firstly, application areas of Operations Research are introduced. Some computer tool-kits used to solve OR problems are outlined, together with some programming languages, which can be used to model and solve the optimization problems. Secondly, an optimization programming language-IBM...

With the rapid growth of aging population in our country, the socialization of endowment insurance is particularly important. The main problems that endowment insurance socialization faces are: the large salary gap between civil service, public Institution and business company; a considerable distance...