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Apr 29, 2025Open Access
Introduction: Caesarean section (C-section) is a major obstetric life-saving intervention for the prevention of pregnancy and childbirth-related complications. The goal of Caesarean section is to improve maternal and neonatal outcomes leading to reduced maternal and neonatal deaths. Globally C-section is increasing, as well as in in Zambia. This study identifies the prevalence of C-section and bio-demographic, socioeconomic, health care seeking and socio-culture factors of C-sec...
Apr 29, 2025Open Access
This study investigates the optimization of Fresnel lens designs using Zemax software, with a focus on minimizing beam divergence by controlling the output spot diameter on the image plane. Global and hammering optimization methods were employed to simulate radial and cylindrical Fresnel lenses with distinct groove geometries. The results reveal the presence of spherical and distortion aberrations, which were effectively mitigated through optimization techniques. Simulations were conducted in bo...
Apr 29, 2025Open Access
This paper investigates the existence of normalized solutions to a fractional Schr？dinger equation with combined nonlinearities. In previous studies, the equation -Δu γu=g(u) ❘u❘ q-2u. where N≥3,2<q<2*=2N/N-2 has been proven to have solutions through various constraints and methods. Furthermore, we consider the existence of solutions for fractional equations. In L2 the supercritical cases, we employ the...
Apr 29, 2025Open Access
President Xi Jinping emphasized at a symposium on ecological protection and high-quality development of the Yellow River Basin in September 2019, “We should promote the systematic protection of the Yellow River’s cultural heritage, dig deep into the contemporary values embedded in the Yellow River’s culture, tell the Yellow River’s story, continue the historical lineage, strengthen cultural self-confidence, and build up spiritual strength for the realization of the Chinese dream of the great rej...
Apr 29, 2025Open Access
This study investigates the use of 3D-printed models as an educational tool in neuroanatomy, comparing their effectiveness to traditional cadaveric specimens. It addresses the increasing medico-legal and ethical concerns surrounding cadaver procurement, the high costs associated with it, and the limitations in availability. The study aims to create a collection of 3D-printed human brain models for teaching and research, assessing their accuracy and educational impact through questionnaires admin...
Apr 29, 2025Open Access
In educational technology and blended learning areas, teaching presence within the Community of Inquiry framework remains very important for building effective learning environments. Even though existing research shows teaching presence plays a key role in shaping social and cognitive aspects, the specific ways these elements connect have yet to be fully mapped out. To fill this gap, this study looks closely at how different parts of teaching presence-like helping dialogue happen, giving direct ...
Apr 28, 2025Open Access
Introduction: The use of titanium implants coated with hydroxyapatite (HA) in dental implantology represents a major breakthrough in dentistry, offering durable solutions for replacing missing teeth. The improved biocompatibility and osteointegration of these implants compared to pure titanium implants are examined in this study. Materials and Methods: A literature review was conducted using the PubMed and Google Scholar search engines, using specific keywords: Hydroxyapatite, Dental Implants, T...
Apr 28, 2025Open Access
Intraoral lipoma is a relatively uncommon benign neoplasm that arises from the adipose tissue within the oral mucosa. Although this condition primarily affects middle-aged individuals, its manifestation in the oral cavity is relatively uncommon. Clinically, intraoral lipomas present with variable appearances, and as they enlarge, they may lead to both functional and aesthetic concerns. Diagnosis is primarily based on histopathological examination, which confirms their benign nature. These tumors...
Apr 28, 2025Open Access
The host country of the FIFA World Cup receives substantial economic benefits that have become recognized worldwide. This paper examines both immediate and sustained economic influences brought by the upcoming 2022 FIFA World Cup hosted in Qatar. Econometric models together with input-output analysis along with cost-benefit analysis allow the study to evaluate its effects on GDP growth as well as employment shifts with analysis of infrastructure investment sustainability. The FIFA World Cup gene...
Apr 28, 2025Open Access
This study focuses on the application of Task-based Language Teaching (TBLT) in Integrated English classroom instruction. As a “learning by doing” language teaching method that emerged in the 1980s, TBLT integrates language acquisition theory with teaching practice, providing a new paradigm for foreign language education. The research targets English major students from a university in Shanghai, employing a mixed-methods approach to collect data through questionnaires and in-depth interviews. Li...
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