This paper investigates the behavior of a prey-predator system in continuous time obtained by non-linear differential equations arising from diabetes of type one. We study the stability of equilibrium points, dissipativity multistability, Wave Form, state space analysis Lyapunove exponents, and bifurcation. A new Lyapunove function is constructed, and the analysis of stability is consistent with other methods of stability. The analysis shows that the predator-prey system is unstable and chaotic ...

Mathematics 

As the research subject of historical pragmatics continues to expand, this study attempts to explore the semantic change that is occurring these days from the perspective of historical pragmatics. Taking the highly dynamic internet slang term “放鸽子” (literally “release pigeons”, meaning to stand someone up) as an example, aim of this article is to investigate the diachronic evolving mechanism of its semantic shift from its literal meaning to “stand someone up” with the consideration of regional v...

Linguistics 

Partial tongue amputation is a serious complication that can present with pain, inability to articulate and massive intraoral bleeding that could be life-threatening within minutes due to difficulty in controlling the bleeding and shock and the direct threat to the airway. It is a life-threatening challenge for the medical staff. A 52-year-old patient was received after an emergency evacuation following a fall from a vehicle during a military patrol. On clinical examination, he presented with fa...

Dentistry 

We present a rare and potential life-threathning case of a 58-year-old man who came in with pruritic skin lesions that were intensively painful, small erythematous pustules that were sterile and scaly, located on both upper and lower extremities and lower back that gradually increased and spread to the limbs, trunk, face and scalp, alongside he was with nail thickening, yellow and white nail discoloration and onycholysis. These symptoms had persisted for over 20 years with multiple recurrences a...

Dermatology 

Introduction: Oculocutaneous albinism (OCA) is a rare genetic disorder affecting the production of melanin, with significant consequences for skin, dander and visual function. This article explores the clinical and therapeutic aspects of OCA, with an emphasis on associated refractive abnormalities. Methods: We conducted a bicentric retrospective study in two private pediatric ophthalmology referral centers in Abidjan over a period of two years, analyzing the records of patients with OCA seen for...

Ophthalmology 

Organizational culture in a company is a system that includes values and beliefs that must be respected by all members of that company and that they have in common, because through the organizational culture in the company, among employees at all levels, a sense of community and belonging is created. Organizational culture is a special form of behavior and guidance of individuals within the company, and the basic indicators of organizational culture are the tradition and history of the organizat...

Human Resource Management  Sociology 

A reliable public sector accounting system is essential for proper dissemination of accounting information to all manner of users to aid in decision making and accountability. Public Sector Accounting has evolved from the provision of information for decision making and accountability but has become a beacon for ensuring transparency, effective and efficient management and sustainability. This study employed PRISMA framework for the systematic literature review. There is theoretical relationship...

Finance 

The study used PRISMA-guided systematic review of studies on the subject of public audit systems with particular reference to surcharge and disallowance systems in various nations. It makes inferences that can inform institutional and legal changes in the public sector of countries especially whether audit accountability can be enhanced by way of enforcement, independence and integration with governance frameworks. According to 37 peer-reviewed publications between 2020 and 2025, six main themes...

Accounting 

The study reviews the effectiveness of public procurement methods in Ghana as enshrined in the Public Procurement Act. The study adopted a Systematic Literature Review for the purpose of reviewing the repeated challenges and current reforms within the procurement scenery. The aim of the review was to identify the challenges that undermine efficiency, transparency, and accountability within the public sector. Empirical and conceptual insights were synthesized from the 39 pools of selected sources...

Public Policy 

Most urban rail transit signaling systems use communication-based train operation control systems (CBTC). In order to ensure the safety of train operation, the safe communication between the vehicle and the trackside must meet the safety and reliability index requirements. Therefore, this article starts from the perspective of safe vehicle-ground communication protocol design between the vehicle and the trackside, and adopts two technical methods: customized network packet sequence method and cy...

Transportation Engineering