Physical Sciences and Engineering | International Journal of Recent Advances in Multidisciplinary Research (IJRAMR)

Physical Sciences and Engineering

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Eoq analysis for linearly deteriorating items with linear demand and time dependent partial backlogging

This paper develops an Economic Order Quantity (EOQ) model that incorporates three realistic features of modern inventory systems: linear time-dependent demand, linear deterioration of stocked items, and a partial backlogging rate that varies with waiting time. Many traditional EOQ models assume constant demand and exponential deterioration, which limits their applicability to industries where consumption patterns grow steadily and items deteriorate at a proportional rate.

Time series analysis of chronic kidney disease prevalence and dialysis demand for sustainable healthcare planning

Introduction: Chronic Kidney Disease (CKD) prevalence and dialysis demand in India have surged steadily over the past decade, propelled by rapid aging populations, escalating hypertension (HTN), diabetes mellitus (DM), and broader non-communicable disease (NCD) epidemics. These converging factors overwhelm India's strained healthcare infrastructure, which struggles with limited dialysis centers, workforce shortages, and uneven rural access.

Latent profile analysis: identifying spiritual intelligence profiles among young adults

While research demonstrates significant relationships between spiritual intelligence (SI) and well-being outcomes, individual differences in patterns of spiritual capacities remain understudied (King, 2008; Singh & Pandey, 2023). A person-centered approach examining naturally occurring profiles of SI may illuminate heterogeneity in spiritual development (Bergman & Magnusson, 1997).

Mathematical modeling of the effects of mechanical vibrations on the human body

Acceptable vibration levels for the various organs of the human body are specified based on the response of an undamped single-degree-of-freedom system subjected to harmonic vibration. The equations that define the vibrating system account for variations in the amplitudes of displacement, velocity, and acceleration as a function of the vibration frequency.

Clinical profiles of young women seeking care for menstrual and reproductive health issues in a hospital setting in Bihar

Background: Menstrual health is a critical aspect of women’s well-being across the reproductive lifespan. Menstrual disorders not only affect reproductive outcomes but also have long-term implications for physical and mental health. Variations in the timing of menarche are influenced by multiple factors, including lifestyle, environmental exposures, nutritional status, chronic illness, hormonal imbalances, and physical stress.

Perception of occupational stress and its impacts in the operational units of glo-djigbé industrial zone (gdiz)

This study investigates employees’ perceptions of occupational stress and its impacts within the operational units of the Glo-Djigbé Industrial Zone (GDIZ). Based on a sample of 427 respondents, distributed across four categories according to the formula proposed by J. P. Beaud and B. Marien (2003), and later adapted by J. E. G. Yetongnon and T. R. G. Kadjegbin (2020, p. 172), the data were processed using Excel 2021 to assess the predominance of opinions.

Rapport sur l’utilisation des manuels de la mathematique par des enseignants de 7e et 8e d’education de base en republique democratique du congo: cas de pool secondaire masina1 et mont ngafula 1

Cette recherche examine l’impact des choix et de l’utilisation des manuels de mathématiques par les enseignants de 7e et 8e d’éducation de base en République Démocratique du Congo sur l’enseignement et l’apprentissage. L’hypothèse posée suggérait que ces choix étaient influencés par la disponibilité des manuels, leur adéquation avec le programme scolaire et les préférences personnelles des enseignants.

Theory and practice of creation, increase, deepening, management of poverty in countries and the world by prof. momchil dobrev and prof. mariola garibova-dobreva – 2004, based on the theories of prof. momchil dobrev – theory of creation and management of

Lord Prof PhD PhD Momtchil Dobrev-Halachev developed 2003 “ Theory and practice of creating and managing inequalities in countries and the whole world, 2008 “Theory of generating of crises “ , 2010 “Theory and practice of the Mafiotismus” and 2001 “ Theory of the mafia”, Theory and practice of creating, controlling, increasing and managing poverty developed by Prince Lord Prof. Momtchil Dobrev and Princess Lady Prof.

On homogeneous cubic equation with four unknowns

This paper concerns with the problem of obtaining non-zero distinct integer solutions to homogeneous cubic equation with four unknowns given by .A few interesting properties among the solutions are presented. 2020 Mathematical science classification: 11D25

A secure data dynamics and public auditing scheme for cloud storage

Cloud computing is an evolving technology that provides data storage and highly fast computing services at very low cost. Data stored in the cloud is managed by cloud service providers, raising concerns about authenticity, reliability, and integrity. Unauthorized users may misappropriate or alter data. This paper proposes a secure public auditing scheme employing a Third Party Auditor (TPA) to authenticate the privacy, reliability, and integrity of data stored in the cloud.

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