SCM - Science topic

In this article, we study the fractional form of a well-known dynamical system from mathematical biology, namely, the Lotka–Volterra model. This mathematical model describes the dynamics of a predator and a prey, and we consider here the fractional form using the Rabotnov fractional-exponential (RFE) kernel. In this work, we derive an approximate f...

With industrialization, economic growth, and increasing demand for minerals, mining raw materials from deep and low-grade deposits is increasing, highlighting the need to evaluate the environmental impacts of these mines. This study aims to provide a comprehensive sustainability assessment (SA) model for deep and large-scale open pit mines (DLSOP)....

This paper drew on the stereotype content model (SCM) to clarify cultural stereotypes about introverted and extraverted people at work to increase our understanding of the stereotype-driven process that may lead to negative responses to introversion and subsequent detriment to employee health and well-being. The hypothesis that introverted workers...

In the field of construction, current research aims at the production of eco-materials to achieve sustainable development. The dam mud wastes are an important part of municipal solid waste. The valorization of these types of waste in cementitious material is considered a solution for the protection of the environment. The objective of this work is...

The article considers the problem of creating didactic materials on a certain topic, which should contain a sufficiently large number of options (10-30 options) of equivalent complexity. The literature review shows that the majority of pedagogically oriented software tools for supporting the teaching of mathematics in secondary and higher education...

The aviation industry is focusing on the development of low-carbon emission technologies, with hydrogen-powered aviation hybrid technology being an important area of interest. Superconducting motors (SCMs) play a crucial role in these aviation hybrid systems due to their high power-to-weight (PTW) ratio. However, SCMs face challenges such as strong...

In the field of construction, current research aims at the production of eco-materials to achieve sustainable development. The dam mud wastes are an important part of municipal solid waste. The valorization of these types of waste in cementitious material is considered a solution for the protection of the environment. The objective of this work is...

A growing number of covariate modeling methods have been proposed in the field of popPK modeling, but limited information exists on how they all compare. The objective of this study was to perform a systematic review of all popPK covariate modeling methods, focusing on assessing the existing knowledge on their performances. For each method of each...

Background This study examines the integration of Artificial Intelligence (AI) in supply chain management (SCM) during the transition from Industry 4.0 to Industry 6.0. The focus is on improving operational efficiency, promoting human-centric collaboration, and advancing sustainability within supply chains. As industries progress, the need to incor...

In this increasingly fiercely competitive era of business, Supply Chain Management has emerged as a vital strategic tool in competitive advantage realization. This study explores the strategic role of SCM in improving operational efficiency, cost reduction, and responsiveness to market dynamics. It examines past studies and analyzes case studies in...

This article examines the use of new methods to assess the safety of civil engineering systems. Currently, safety is very important in the design and construction of civil structures and systems and should be evaluated with appropriate methods. The new methods discussed in this article include the error and risk factor analysis method, code coverag...

In this research, a workflow is presented that integrates the application of a rock physics model, called self-consistent method SCM, for the development of rock physics templates and conventional petrophysical analysis. These methods were used for the petroelastic analysis of well logs and seismic inversion data from the Stybarrow Field in the Car...

In this research, a velocity analysis of the slider crank mechanism's (SCM) for the delta robot arm manipulation was carried out. For the slider crank mechanism, new velocity response models were created. Trigonometric and inverse trigonometric functions are used in the novel Akozietic mathematical method, which is appropriate for kinematic analysi...

Supply chain management (SCM) involves complexities and uncertainties in the flow of goods and services from raw materials to end users. Inaccurate estimation of raw materials, labor, or equipment can lead to financial losses and environmental impacts. This study explores the application of system dynamics modeling (SDM) in manufacturing hemp-reinf...

This study provides a comprehensive review of the integration of Artificial Intelligence (AI) into Supply Chain Management (SCM), focusing on its impact on operational efficiency, strategic innovation, and sustainability. Employing a systematic literature review and content analysis methodology, the research synthesizes findings from peer-reviewed...

In recent years, mortar bricks or autoclaved aerated concrete (AAC), also known as foamed concrete, have been widely used as masonry wall materials. Foamed concrete, like bricks, can be produced by adding a foaming agent to achieve the desired weight and density, while meeting requirements for strength and durability. However, the search for sustai...

This article presents a Non-negative Tensor Factorization based method for sound source separation from Ambisonic microphone signals. The proposed method enables the use of prior knowledge about the Directions-of-Arrival (DOAs) of the sources, incorporated through a constraint on the Spatial Covariance Matrix (SCM) within a Maximum a Posteriori (MA...

Industrial and biomedical applications do not undergo constant viscosity nor uniform porous media matrix as predicted in numerous studies. Technically, results from such investigations are subjected to deficiencies in the quantitative accuracy required to perfect designs of engineering and biomedical systems. As such, the current investigation cont...

AI clusters today are one of the major uses of High Bandwidth Memory (HBM). However, HBM is suboptimal for AI workloads for several reasons. Analysis shows HBM is overprovisioned on write performance, but underprovisioned on density and read bandwidth, and also has significant energy per bit overheads. It is also expensive, with lower yield than DR...

The emergence of antibiotic‐resistant microorganisms has made antimicrobial resistance a global issue, and milk is a potential source for the propagation of resistant bacteria causing zoonotic diseases. Subclinical mastitis (SCM) cases, often overlooked and mixed with normal milk in dairy farms, frequently involve E. coli, which can spread through...

Artificial Intelligence (AI) has emerged as a transformative force within supply chain management (SCM), significantly enhancing operational efficiency, reducing costs, and improving decision-making processes across various industries. This article explores the multifaceted integration of AI technologies in SCM, providing an in-depth examination of...

Concrete is an essential construction material, and infrastructures, such as bridges, tunnels, and power plants, consume large quantities of it. Future infrastructure demands and sustainability issues necessitate the adoption of non-conventional supplementary cementitious materials (SCMs). At the same time, global labor shortages are compelling the...

The objective of this research study is to investigate the mediating influence of workplace isolation on enterprise social media (ESM) and employee performance (EP). Also, it explores the role of workplace integration as a moderator between ESM and workplace isolation. Based on quantitative approach, a cross-sectional survey technique was followed...

The growing concerns over mitigating climate change effects resulted in power system planning and generation expansion strategies that aim in increasing penetration of intermittent renewable energy sources (RES) to fulfil the national energy and climate plans (NECPs) of countries worldwide. However, the variable and intermittent nature of RES outpu...

The eastern tropical North Pacific oxygen deficient zone (ETNP‐ODZ) exhibits a distinct physical and biological environment compared to other oxygenated water columns, leading to a unique scenario of particulate organic matter (POM) production and vertical transport. To elucidate these biological pump processes, we present the first comparison of δ...

This paper explores integrating biomechanics data and bio-inspired models to enhance efficiency in business administration, focusing on task scheduling, resource allocation, and workflow optimization. Biomechanics, traditionally applied in fields such as healthcare and sports, is used to analyze human movement and physical strain in business proces...

The scope of this work is the development of new composites with low environmental impact to act as radiological shielding in hospital environments. For this purpose, the radioprotection properties of cement pastes containing 20% BaSO4, in addition to 10% fly ash and silica fume as SCM’s were investigated. The samples were characterized by consiste...

The advent of Artificial Intelligence (AI) is reshaping supply chain management (SCM), offering transformative solutions to long-standing challenges. This paper explores the revolutionary impact of AI on SCM, focusing on predictive analytics, autonomous decision-making, and ethical implications. Predictive analytics, powered by AI, enhances demand...

Global warming is strongly affected by the release of various anthropogenic greenhouse gases, in particular CO 2 , and is still increasing due to the use of fossil fuels, land use, and the consumption and production of goods. Cement production is accountable for approximately 6% of the global anthropogenic CO 2 emissions. In this respect, supplemen...

In the development of low-emission concretes the focus has been on the reduction of carbon footprint by using supplementary cementitious materials (SCMs). However, the resistance against chloride ingress may vary considerably among the different types of SCM concretes. For concrete structures exposed to chloride-induced corrosion, the resistance ag...

Kenya is overly affected by the consequences of climate change and struggling to find ways to balance mitigation with the urgent need to meet the country’s infrastructure and housing needs. Traditional concreting methods, such as onsite mixing and manual compaction, are slow, material, water, and labor-intensive. The precast industry therefore offe...

The continuous increase in demand for cement in the construction industry critically contributes directly to the global carbon dioxide (CO 2 ) emission. Hence, numerous attempts are being made to reduce CO 2 emissions in conjunction with cement production, named as low-carbon cement. This has boosted the enthusiasm for searching for alternatives, s...

Morocco aims to decarbonise its cement subsector, responsible for 91% of domestic industrial CO 2 emissions. To that end, clinker reduction figures among the main strategies listed in the Nationally Determined Contribution (NDC) put forward by the country in 2021. Clinker reduction can be achieved through its substitution with supplementary cementi...

Purpose Assessment of tissue perfusion using near-infrared fluorescence (NIR) with indocyanine green (ICG) is gaining popularity, however reliable and objective interpretation remains a challenge. Therefore, this study aimed to establish reference curves for vital tissue perfusion across target tissues using this imaging modality. Methods Data fro...

A cross-sectional study was carried out to determine the prevalence of subclinical mastitis (SCM) in the dairy farm at Shahjadpur Upazila in Sirajganj District of Bangladesh from December 2022 to December 2023. A total of 150 lactating cows was randomly selected and screened for SCM by using the California Mastitis Test (CMT). The overall prevalenc...

The haptic fidelity of biomimetic materials used in the design of procedural task trainers is of growing interest to the medical community. Shore hardness has been proposed as a method for assessing tissue biomechanics and replicating the results as a way to increase the fidelity of biomimetics to tissues. However, there is limited research on the...

Mastitis stands out as the most economically significant ailment in dairy cows due to its adverse effects on milk quality and reproductive performance, often leading to the involuntary culling of affected cows. Subclinical mastitis (SCM) can be considered a precursor to severe mastitis. This current study sheds light on the role of C-reactive prote...

Vocational education and training (VET) is often seen as a pathway to faster and better employment outcomes in comparison to general secondary education. However, the school-to-job transition remains complex, influenced by regional-, institutional- and individual-level factors. This paper evaluates the effects of the Slovak ‘Linking Secondary Educa...

This paper presents a second-order inelastic analysis (SOIA) of shallow and deep (non-shallow) planar steel arches in fire situation. The arches have their strength compromised when exposed to high temperature, since their physical and resistance characteristics deteriorate as the temperature rises. Thus, a homemade program, which were developed to...

Globalization and growing business dynamics lead to weakly harmonized supply chain (SC) systems. While smart technology offers innovation opportunities, supply chains often lack the integration needed to fully leverage resources and collaboration. A comprehensive systems engineering (SE)-driven model for integrated innovation and optimization of sm...

Due to uncertain business climate, fierce competition, environmental challenges, regulatory requirements, and the need for responsible business operations, organizations are forced to implement sustainable supply chains. This necessitates the use of proper data analytics methods and tools to monitor economic, environmental, and social performance,...

Since the mid-1990s, X-ray phase contrast imaging (XPCI) has attracted increasing interest in the industrial and bioimaging fields due to its high sensitivity to weakly absorbing materials and has gained widespread acceptance. XPCI can simultaneously provide three imaging modalities with complementary information, offering enriched details and data...

In this paper, we perform asymptotic analyses of the widely used ESPRIT direction-of-arrival (DoA) estimator for large arrays, where the array size $N$ and the number of snapshots $T$ grow to infinity at the same pace. In this large-dimensional regime, the sample covariance matrix (SCM) is known to be a poor eigenspectral estimator of the populatio...

This study delves into the important transition of supply chain management (SCM) from traditional to digital frameworks, highlighting the substantial impact of digital technology on industrial processes. It seeks to distinguish the traits that set digital supply chains-which rely on automation and real-time data-apart from traditional supply chains...

With the emergence of new, powerful modern computing technologies in recent years, there is a growing interest in revolutionizing traditional supply chain management through digital transformation, aiming for greater efficiency and profitability. This paper evaluates the possible integration of modern technologies with the supply chain system throu...

The effective management of supply chains presents pervasive challenges across industries, with healthcare bearing additional complexities and risks due to the direct ramifications of supply chain integrity on patient well-being and health outcomes. Blockchain technology (BCT), heralded as a cutting-edge instrument for fostering sustainable advance...

Background/Objectives: Septic cardiomyopathy (SCM) is a severe cardiac complication of sepsis, characterized by cardiac dysfunction with limited effective treatments. This study aimed to identify repurposable drugs for SCM by integrated multi-omics and network analyses. Methods: We generated a mouse model of SCM induced by lipopolysaccharide (LPS)...

The need for sophisticated traceability systems has become essential in increasingly complex and globalized supply chains. The convergence of Blockchain (BC), Internet of Things (IoT), and Artificial Intelligence (AI) technologies offers promising solutions to enhance traceability systems across various sectors, particularly supply chain management...

Background: This case report documents incidental findings of bilateral calcifications within the sternocleidomastoid (SCM) muscle observed on a dental panoramic radiograph. The aim is to emphasize the importance of recognizing overlapping anatomical structures in panoramic radiography to prevent misdiagnosis. Methods: During a routine dental exami...

In this paper, we propose and experimentally demonstrate a rate-adaptive multiple-input-single-output (MISO) visible light communication (VLC) system, realized by superposition coded modulation (SCM) with hybrid geometric-probabilistic shaping (GPS). This approach ensures fine-grained net data rate (NDR) per user with flexibility, while simultaneou...

Introduction: Supply Chain Management (SCM) and logistics are crucial elements in the success of any business, particularly in today's interconnected global economy. Effective integration of these functions enhances operational efficiency, reduces costs, and creates a competitive advantage.Objective: This paper explores the role of interconnection...

Milking machines aim to efficiently harvest high-quality milk while ensuring animal comfort and protecting against mastitis. The present study focused on 128 and 125 teats of Sahiwal cows and Murrah buffaloes by measuring the teat morphometric parameters and comparing them with the dimensions of the teat cup liner size of the milking machine. The i...

The World Business Council for Sustainable Development (WBCSD) recommended the reduction of CO 2 emissions from cement manufacturing processes by 60% by 2050 to control greenhouse gases (GHG). The cement manufacturing alone emits up to 10% of the total GHG. Thus, for sustainability; a small or large portion of the Ordinary Portland Cement (OPC) mus...

Geopolymer concrete (GPC) is an efficient alternative to traditional construction materials, utilizing amorphous or semicrystalline waste–based binders. It enhances durability than Portland cement, remaining environment friendly and cost-effective, while promoting waste reuse. Despite extensive use and research, predicting concrete strength based o...

The main objective of this research is specifically to analyze the effect of SCM Practices on CA and OP. The research used in this study is quantitative and it includes data collection of 100 respondents from the manufacturing sector of Karachi. A questionnaire was adopted to collect the data and then the data were analyzed through SPSS. Further Re...

Die öffentliche Diskussion um einen zweckadäquaten Klimaschutz wird zunehmend emotional geführt, was die Formulierung und Umsetzungeiner rationalenKlimapoli tik erheblich erschwert. Gruppierungen wie Fridays for Future,Ende Gelände, Letzte Generation oder Extinction Rebellion spielen dabei eine bedeutende Rolle. Dieser Aufsatz zielt darauf ab, die...

Hedonic, eudaimonic, and extrinsic motives in daily activities affect well-being outcomes. Hedonic motives refer to pleasure and comfort pursuit. Eudaimonic motives include pursuing excellence, authenticity, growth, meaning, and value-congruent activity. Extrinsic motives encompass the pursuit of fame, power, status, material wealth, and popularity...

This paper provides a systematic literature review of hospital supply chain management (SCM), emphasizing variations across hospital types, methodological frameworks, the SCOR model, and technological advancements. Using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) methodology, the study systematically identifies,...

This chapter delves into the transformative potential of integrating fly ash (FA) as an additive in cementitious materials to propel sustainable construction practices forward. Originating as a byproduct of coal combustion in power plants, fly ash possesses distinct properties that can significantly enhance the performance and sustainability of con...

This paper focuses on studying the change technologies bring to increase operational performance across the various sectors of industries. The study adopts both quantitative and qualitative research methods. Information was collected by combining case studies, questionnaires, and interviews with specialists in the field, all of which allowed for a...

Although Supply Chain Management (SCM) and Industrial Cluster (IC) are two different fields of study, it has been identified that there is a natural and internal relationship between these two theories. Most of research works depict that, integration of the two concepts is in its infancy. The aim of this research is to review the integration betwee...

SCM (Supply Chain Management) mencakup keseluruhan kegiatan rantai pasok yang saling terkoordinasi, mulai dari tahap awal bahan baku, hingga tahap akhir yaitu pelanggan yang puas. Tujuan SCM yaitu memaksimalkan nilai keunggulan kompetitif perusahaan. Penerapan SCM, berdampak pada penurunan biaya operasional, penyimpanan, material handling dan lainn...

Teknologi Blockchain semakin dikenal dalam meningkatkan efisiensi dan transparansi dalam Supply Chain Management (SCM). Penelitian ini membahas dampak teknologi Blockchain dalam Supply Chain Management (SCM). Melalui studi literatur, penelitian ini mengidentifikasi kelebihan implementasi Blockchain dalam Supply Chain Management (SCM), seperti penin...

This study explores the differential skill requirements within supply chain management (SCM) across commercial and humanitarian contexts and career levels. Analysing 116 responses regarding context and 96 concerning career levels, the research confirms the applicability of the T-shaped model, highlighting the distinct skills critical for each secto...

Supply Chain Management (SCM) plays a vital role in any organization, facilitating trade both globally and locally. An organization with a robust SCM can easily meet demands, ensuring that goods or services are readily available and delivered promptly. However, poor structuring and management of SCM can lead to significant challenges, including ser...

Author’s approach to identification and systematization of separate theoretical-methodological issues of modern entrepreneurial logistics and concept of SCM has been provided in the article. Features of fundamental basis of business-logistics and SCM system in interconnection with initial adjoining sciences in different fields of knowledge (mathema...

Background: Effective supply chain management (SCM) is widely considered vital for enhancing business sustainability, yet empirical evidence across industries and contexts remains limited. This paper aims to address this gap by presenting empirical findings specific to a particular industry, business size, and economic setting. Methods: The data ar...

ABSTRACT The global agribusiness industry faces increasing complexity and challenges in supply chain management (SCM). These challenges arise from volatile market demands, environmental unpredictability, and the necessity to ensure sustainability. Artificial Intelligence (AI) has emerged as a transformative technology to enhance SCM through adv...

In this paper, a laboratory-performed study relating to the evaluation of a self-compacting mortar (SCM) made initially from crushed quarry aggregates and modified by the addition of fine dune sand (DS) is presented. The aim was to show the modification of the rheological, acoustic, and mechanical properties of the SCM brought about by this very fi...

The primary purpose of this study is to review and synthesize the extant literature on the various key Operations Management areas such as; Supply Chain Management (SCM), Total Quality Management (TQM) and Circular Economy (CE) to address the critical challenges faced by organizations and develop a comprehensive framework to improve overall operati...