SCR - Science topic

Visual localization is considered to be one of the crucial parts in many robotic and vision systems. While state-of-the art methods that relies on feature matching have proven to be accurate for visual localization, its requirements for storage and compute are burdens. Scene coordinate regression (SCR) is an alternative approach that remove the bar...

Mixing dopants into oxide catalysts can improve their catalytic activity, as shown in the dramatic boost of the NH3 selective catalytic reduction (SCR) activity on vanadia catalysts upon doping by tungsten. Here, we employ first-principles calculations to study the influence of selected dopants (Ce, Zr, Nb, Mo, and W) in vanadia on the SCR activity...

Review Advancing Hydrogen Development from 2015 to 2024 and Mitigating Noₓ Emissions from Hydrogen-Enriched Combustion for a Cleaner Energy Future Yi-Kai Chih 1,*, Shang-Rong Kuo 2, and Jing-Jie Wang 2 1 Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung 811, Taiwan 2 Department of Greenergy, National Univ...

Image steganography is an information-hiding technique that involves the surreptitious concealment of covert informational content within digital images. In this paper, we introduce ${\rm SCR{\small EED}S{\small OLO}}$, a novel framework for concealing arbitrary binary data within images. Our approach synergistically leverages Random Shuffling, Fer...

The reactivation and subsequent reuse of exhausted selective catalytic reduction (SCR) catalysts has significant economic and environmental advantages. Water and acid washing along with thermal regeneration are commonly used to eliminate toxic substances from the catalyst surface, while these processes often result in the undesired loss of active c...

The Guntur Division, a crucial segment of the South Central Railway (SCR), plays a significant role in serving passengers across a vast region. This article provides a detailed analysis of the passenger amenities available in the Guntur Division, examining their adequacy, accessibility, and the impact on passenger satisfaction. The research identif...

This paper proposes a surrogate based, global-search derivative free algorithm which is specifically designed for computationally expensive black-box (simulation-based) optimization problems with constraints. The algorithm, called SCR (Surrogate-CMAES-RQLIF), uses kriging to generate surrogate models of the black-box objective function and black-bo...

Electrodermal activity (EDA) reflects the variation in the electrical conductance of the skin in response to sweat secretion, constituting a non-invasive measure of the sympathetic nervous system. This system intervenes in reactions to stress and is strongly activated in emotional states. In most cases, EDA signals are collected from the hand (fing...

This study aims to explore the impact of supply chain risk (SCR) on organizational performance (OP) within the Pakistani auto sector, focusing on the mediating role of supply chain integration (SCI) and the moderating effect of demand uncertainty. The research investigates how effectively managing SCR and integrating supply chain functions can enha...

In recent years, the rapid advancement of digital technologies and the growing demand for sustainability have driven unprecedented transformations in the automotive industry, particularly toward electric vehicles (EVs) and renewable energy. The EV supply chain, a complex global network, has become increasingly vulnerable to globalization and freque...

Introduction: Key performance indicators (KPIs) play a pivotal role in building supply chain resilience, helping organizations monitor and adapt to disruptions effectively. Objectives: This paper explores the effect of KPIs in fostering supply chain resilience (SCRes), specifically examining how operational KPIs contribute to resilience before, dur...

In the volatility, uncertainty, complexity, and ambiguity (VUCA) environment, the application of artificial intelligence (AI) technologies is a key engine for shaping supply chain resilience (SCR). This study employs the entropy method to develop an evaluation index system for SCR, incorporating two key dimensions: resistance and recovery capacity....

This paper proposes a monolithic electrostatic discharge/electrical overstress (ESD/EOS) co-protection device featuring gradual triggering by silicon-controlled rectifier (SCR) and metal–oxide semiconductor (MOS) structures, demonstrating enhanced voltage clamping and current-conducting capabilities. Compared with conventional PMOS-triggered SCR (P...

As real-world knowledge evolves, the information embedded within large language models (LLMs) can become outdated, inadequate, or erroneous. Model editing has emerged as a prominent approach for updating LLMs' knowledge with minimal computational costs and parameter changes. This approach typically identifies and adjusts specific model parameters a...

Background: Prostate cancer management optimally requires non-invasive, objective, quantitative, accurate evaluation of prostate tumors. The current research applies visual inspection and quantitative approaches, such as artificial intelligence (AI) based on deep learning (DL), to evaluate MRI. Recently, a different spectral/statistical approach ha...

Background: Mycoplasma pneumoniae pneumonia (MPP) is a leading cause of community-acquired pneumonia in children, with severe MMP (SMMP) posing significant risks of mortality and long-term sequelae. Early identification of SMMP is crucial for timely intervention and improved outcomes. Methods: This study aimed to evaluate the utility of peripheral...

The increasing integration of renewable energy bases into power systems poses significant challenges for voltage stability and operational optimization. This paper develops an optimization model to maximize the total generation output in a renewable energy base while satisfying short-circuit ratio (SCR), transient overvoltage (TOV), and conventiona...

Introduction Acute sleep and circadian rhythm (SCR) disruption can lead to a range of negative physical and mental consequences, such as depression, delirium, respiratory dysfunction and increased mortality. In the intensive care unit (ICU), the unique environment can exacerbate disruptions in SCR. Few studies have identified the characteristics of...

With the rapid development of the field of affective computing, the accurate identification and classification of human emotions have become increasingly important. This study aims to classify neutral emotion (neu) and other emotions using peripheral physiological signals such as Skin Conductance Response (SCR), Skin Conductance Level (SCL), and In...

Mn-based oxides are promising catalysts for the selective catalytic reduction (SCR) of NOx by NH3 at low temperatures. However, fundamental NH3-SCR mechanisms and resistance mechanisms against SOx remain controversial. This study employed density functional theory (DFT) calculations to explore the intrinsic mechanisms of NH3-SCR and SOx poisoning o...

The Clean Propulsion Technologies (CPT) project, established in 2021, brought together 15 research partners and original equipment manufacturers. The goal was to create a common vision and sustainable business solutions so that the worldwide technological leadership of the Finnish powertrain industry is secured. With a EUR 15.5 M budget, CPT brough...

Gas turbines play a pivotal role in aviation, power generation, and industrial applications, necessitating continuous advancements in combustion technology to enhance performance and reduce environmental impact. This paper comprehensively analyzes gas turbine combustion systems, covering diffuser aerodynamics, combustor configurations, flame stabil...

This study examines the relationships between lean manufacturing, green supply chain management (GSCM), supply chain resilience (SCR), and firm performance in Thai manufacturing companies. Using data from 322 employees across various industries, the research employs co-variance-based structural equation modelling to test a series of hypotheses. The...

This study compared the refraction measurements of the ClickCheck™ device (CCD), Topcon KR-8000, and subjective clinical refractometry (SCR) in Brazilian public school students with limited access to eye care. Eighty-seven eyes of healthy students aged 7 to 17 underwent refractometry using the CCD, Topcon KR-8000, and SCR methods under cycloplegia,...

Purpose The Fast Moving Consumer Goods (FMCG) sector is a critical component of the global economy, providing consumers with a wide range of products that are consumed daily. However, this sector faces vulnerability during disruptions. Therefore, this research amid to examine the effect of supplier trust and integrated technology on supply chain re...

Selective catalytic reduction (SCR) catalyst of V2O5‐WO3/TiO2 type is widely used in industrial denitration process. Deactivated spent SCR denitration catalyst can be used for tungsten recovery. In the existing hydrometallurgical recovery processes, NaOH leaching and Na2CO3 leaching need high temperature and high pressure to obtain high leaching ef...

Supply chains (SCs) are facing disruptions and perturbations daily. As a result, building a performant and resilient SC is crucial in such dynamics and conditions. To have the ability to navigate and recover from unexpected challenges has become a strategic imperative for firms to ensure sustained operations, adaptability, and long-term continuity....

Spatial capture–recapture models (SCRs) provide an integrative statistical tool for analyzing animal movement and population patterns. Although incorporating home range formation with a theoretical basis of animal movement into SCRs can improve the prediction of animal space use in a heterogeneous landscape, this approach is challenging owing to th...

This work develops a novel compact Silicon-Controlled Rectifier (SCR) model incorporating self-heating effects, extending the conventional Ebers–Moll (E–M) framework for Bipolar Junction Transistors (BJTs) by comprehensively integrating parasitic effects. The temperature dependence of critical device parameters, including junction capacitances, emi...

The field of visual localization has been researched for several decades and has meanwhile found many practical applications. Despite the strong progress in this field, there are still challenging situations in which established methods fail. We present an approach to significantly improve the accuracy and reliability of established visual localiza...

While DNA barcoding methods are an increasingly important tool in biological conservation, the resource requirements of constructing reference libraries frequently reduce their efficacy. One efficient way of sourcing taxonomically validated DNA for reference libraries is to use museum collections. However, DNA degradation intrinsic to historical mu...

Introduction The incidence of malaria in Indonesia has declined significantly over the last few decades. Thus, a demand for more sensitive techniques to describe low levels of transmission in the country is important. This study was conducted to evaluate antibody response to Plasmodium falciparum and Plasmodium vivax in an area nearing elimination...

Hyperspectral imaging (HSI) data pose both opportunities and challenges for target detection due to the high spectral resolution and vast data volume. Traditional band selection methods for HSI often prioritize image quality or information content, neglecting target distinctiveness in specific detection tasks. To address this issue, this work propo...

Background Despite metabolic and bariatric surgery (MBS) being the most effective option for weight loss and reducing obesity-related comorbidities, semaglutide presents a valuable noninvasive alternative, offering substantial weight loss with a lower risk of adverse effects. Objectives This study aimed to compare weight loss outcomes between patie...

The Cu‐SAPO‐34 catalyst, a promising selective catalytic reduction (SCR) catalyst for the denitration of mobile sources, has attracted widespread research interest due to its wide temperature window, remarkable catalytic performance and good stability. In this study, a series of Cu‐SAPO‐34 catalysts with varying Cu contents were synthesized by the...

Purpose Treatment options for irreparable rotator cuff tears (IRCTs) remain controversial and include superior capsular reconstruction (SCR), lower trapezius tendon transfer (LTTT), subacromial balloon spacer (SABS), and reverse shoulder arthroplasty (RSA). Despite reports of positive treatment responses with all approaches, the relative clinical b...

Background Maternal perinatal mental health is essential for optimal brain development and mental health of the offspring. We evaluated whether maternal depression during the perinatal period and early life of the offspring might be selectively associated with altered brain function during emotion regulation and whether those may further correlate...

Purpose Through the theory of dynamic capability, this study aims to make theoretical hypotheses and empirical explorations on the relationship between supply chain quality management (SCQM) practices, dynamic supply chain capability (DSCC), supply chain resilience (SCR) and environmental dynamics. Design/methodology/approach In this study, DSCC i...

We aimed to uncover the underlying mechanisms contributing to the therapeutic efficacy of Astragalus mongholicus Polysaccharides (mAPS) in alleviating diabetic nephropathy (DN). The rat model of DN was subjected to a high-sugar and high-fat diet (HSHFD) coupled with streptozotocin (STZ) injection. Our findings revealed that mAPS administration decr...

Novel Ce1‐xMnxVO4 catalysts prepared via modified hydrothermal synthesis were used in selective catalytic reduction of NO using NH3 (NH3‐SCR). The Ce1‐xMnxVO4 catalysts displayed optimum NO removal efficiency at 250 °C. Physicochemical properties including crystal type, morphology, particle size, elemental composition, BET surface area, chemical bo...

Background The etiology of liver cancer is changing to metabolic dysfunction-associated steatotic liver disease, and ultrasound elastography is useful for identifying high-risk patients. However, these regional differences remain unclear. We aimed to investigate regional differences in the prevalence of liver cancer and the use of ultrasound elasto...

The task of estimating camera poses can be enhanced through novel view synthesis techniques such as NeRF and Gaussian Splatting to increase the diversity and extension of training data. However, these techniques often produce rendered images with issues like blurring and ghosting, which compromise their reliability. These issues become particularly...

Under low-load cycles (LLCs), the issue of high NOx emissions from diesel engines is attracting widespread attention. Through a combination of experimental and simulation approaches, the NOx emission behavior under LLC conditions was investigated. Furthermore, the optimization strategies for reducing NOx emissions was studied based on a dual select...

Stress significantly impacts individuals, particularly in professions like nursing and driving, leading to severe health risks and accidents. Accurate stress measurement is critical for effective interventions, yet research is hindered by incomplete datasets and inconsistent methodologies, slowing the development of reliable predictive models. This...

Background: In today’s complex and rapidly changing global markets, supply chain resilience (SCR) has become critical for businesses aiming to maintain continuity and competitive advantage. Disruptions and challenges in the supply chain will always exist; therefore, preparing in advance and improving resilience for the upcoming consequences should...

The rising integration of renewable energy sources has resulted in a diminished capacity for voltage support within the system, which is characterized by low inertia and a reduced short circuit ratio (SCR). In order to improve grid strength and enhance the capacity for renewable energy integration, an initial analysis was conducted on the grid supp...

With the continuous increase in the penetration of renewable energy generation, the characteristics of weak grids, such as high grid impedance and low short-circuit ratios (SCR), have become more prominent. Although the performance of grid-connected inverters can be adaptively adjusted according to the SCR to ensure stable operation under a wide ra...

Background: Transcranial magnetic stimulation (TMS) is a widely used treatment for major depressive disorders (MDD). However, its physiological effects remain unclear, and its efficacy varies among patients. Functional connectivity (FC) within MDD-related networks has shown potential for predicting TMS efficacy. White matter (WM) micromorphology co...

本文探讨了燃煤锅炉排放的烟气主要组成成分，包括二氧化硫、氮氧化物、颗粒物等，这些污染物对环 境及人体健康构成严重威胁。随后，详细分析了当前锅炉脱硫脱硝技术，涵盖干法、半干法、湿法烟气脱硫脱硝技 术，以及选择性催化还原（SCR）烟气脱硝技术。每种技术均从原理、应用现状及优缺点等方面进行了阐述，旨在为 燃煤锅炉烟气净化提供技术参考，促进环保与可持续发展。

Objective To analyze the characteristics of pulmonary nodules (PNs) and related influencing factors in patients with type 2 diabetes mellitus (T2DM). Methods Retrospectively analyzed the clinical and biochemical characteristics of 224 patients with PNs and 488 patients with non-PNs in patients with T2DM, and compared the clinical data of 72 patien...

Rising electricity demand and the need to reduce pollutant emissions highlight the importance of renewable energy, especially solar power. While most studies on photovoltaic (PV) integration focus on developed countries, least developed and developing countries such as the Democratic Republic of Congo (DRC) face particular challenges due to fragile...

Extended sequence generation often leads to degradation in contextual consistency due to the inability of conventional self-attention mechanisms to effectively retain long-range dependencies. Existing approaches, including memory compression and retrieval-augmented conditioning, introduce computational trade-offs that either increase inference late...

Optical and energetic characteristics are studied for beam-down solar central receiver (SCR) systems. The geometrical configuration of the beam-down SCR system is optimized for maximum solar-to-thermal conversion efficiency, taking into account the effects of latitude and receiver temperature. System characterization and optimization are undertaken...

Accurate sentiment analysis of texts is crucial for a variety of applications, such as understanding customer feedback, monitoring market trends, and detecting public sentiment. However, manually annotating large sentiment corpora for supervised learning is labor-intensive and time-consuming. Therefore, it is essential and effective to develop a se...

The GRAS [GRI (Gibberellic Acid Insensitive), RGA (Repressor of GAI-3 mutant), and SCR (Scarecrow)] transcription factors play a pivotal role in the development and stress responses of plants. Eucalyptus is an important fast-growing tree species worldwide, yet its poor cold tolerance limits its cultivation range. This study conducted a bioinformati...

The molten-salt electrolytic method was employed to recycle spent SCR catalyst to prepare TiC compound. A systematic investigation has been carried out through thermodynamic calculation and experimental analysis. The effects of graphite content, cell voltage, electrolyzing temperature, and electrolyzing time on electrolytic products were explored....

With the advancements in deep learning and neural network technologies within the engine technology domain, intelligent control of exhaust after-treatment systems has become viable. The exhaust temperature significantly affects the NOx conversion efficiency of the SCR system. In this study, a time-series prediction model for exhaust temperature and...

Due to the fundamental transition to a power electronic dominated power system, the increasing diversity of dynamic elements underscores the need to assess their similarity to mature electrical engineering models. This article addresses the concept of the Dynamic Similarity Index (DSI) for its use in, power electronics-dominated networks. The DSI i...

Offshore wind farms are increasingly being commissioned farther from shore, and high voltage alternating current (HVAC) transmission systems are preferred because of their maturity and reliability. However, as cable length increases, ensuring system stability becomes more challenging, making it essential to investigate shunt reactor compensation co...

The embankments constructed for highways, railways, airfields, etc., resting on soft soils, are often reinforced with columns to restrict total and differential settlements. The performance of columns in soft soil can be enhanced further by providing a load transfer platform (LTP) at the embankment base. The provision of LTP prevents the punching o...

Background Long-COVID research to date focuses on outcomes in non-hospitalised vs. hospitalised survivors. However Emergency Department attendees (post-ED) presenting with acute COVID-19 may experience less supported recovery compared to people admitted and discharged from hospital (post-hospitalised group, PH). Objective We evaluated outcomes and...

Background/Objectives: Recent studies indicate extensive shared white matter (WM) abnormalities between bipolar disorder (BD) and schizophrenia (SZ). However, the heterogeneity of WM in BD in terms of the presence of psychosis remains a critical issue for exploring the boundaries between BD and SZ. Previous studies comparing WM microstructures in p...

The issues of low inertia, overvoltage, and wide-frequency oscillations in high-proportion renewable energy systems have become prominent, posing major challenges to renewable energy integration and threatening grid stability. Currently, many wind-rich areas ensure grid safety and stability by reducing wind farm output. To enhance the active power...

CeO2‐H2SO4 (C‐S), CeO2‐TiO2 (C‐T), and CeO2‐TiO2‐H2SO3 (C‐T‐S) were used for the selective catalytic reduction of NO with NH3 (NH3‐SCR). Nearly 100% NOx conversion of C‐T‐S was achieved at 250°C–450°C. When the concentration of Ce2(SO4)3 was excessively high, it causes tightly binding with Ce³⁺ ions in CeO2, prevents some Ce³⁺ ions from effectively...

This study investigates the impact of digital capabilities (DC) on building resilient supply chains in China’s electric vehicle (EV) industry. As the complexity of the EV sector continues to grow, improving supply chain resilience (SCR) is essential for sustaining long-term growth and maintaining competitiveness. This research focuses on how visibi...

The Serpentine Camouflage Robot (SCR) is a new breakthrough in military robotics technology designed to improve the effectiveness of combat missions through high camouflage and mobility capabilities. The robot is designed to infiltrate the battlefield with its ability to move flexibly across various terrains and camouflage perfectly according to th...

Abstract: Mapping snow cover (SC) on glaciers at the end of the erosion period allows obtaining a proxy for their rapid equilibrium line height (ELA), which in turn is a measure of mass balance. Satellite determination of glacier snow cover, derived over large areas, can reveal its spatial variability and temporal trends. Accordingly, snow mapping...

Accurate estimation of population parameters for imperiled wildlife is crucial for effective conservation decision‐making. Population density is commonly used for monitoring imperiled species across space and time, and spatial capture–recapture (SCR) models can produce unbiased density estimates. However, many imperiled species are restricted to fr...

As a type of additive manufacturing technology, SLM has made significant progress in the aerospace sector because of its capacity to swiftly and effectively form metals and their composites. This work investigates the impact of laser power (260, 280, 300, 320, 340 W) on the performance of a 1.0 wt.% CeO2/Al6061 alloy prepared by SLM, including the...

Spent selective catalytic reduction (SCR) catalysts are hazardous wastes containing many valuable metals whose improper disposal can cause environmental pollution and resource waste. Therefore, it is significant to recover valuable metals from spent SCR catalysts. In this study, the molten salt electrolytic method was employed to treat the SCR cata...

The ecient numerical method of Maxwells equation needs to satisfy the interface condition of electromagnetic eld, so the nite element method of the electromagnetic eld problem generally uses the edge nite element space. Compared with the traditional nodal element, the disadvantage of the edge element is that it has many degrees of freedom and the c...

In recent years, GFM inverters have become an increasingly active research interest, due to their ability to form autonomous grids and to maintain synchronism also in purely power electronics based environments. The main building blocks of these machines are several PWM controlled switches, receiving energy from the DC side, followed by $LC$ or $LC...

Skin Conductance Response (SCR) is a physiological index associated with arousing emotions. Previous studies have not explored the relationship between SCR signals and emotions in situations where multiple emotions dynamically fluctuate. Moreover, methods suitable for analyzing such conditions have not yet been established. In this study, we record...

Increasing the short‐circuit ratio (SCR) of the power transmission system is crucial to ensuring voltage stability when the system has a high‐penetration of wind energy resources. This paper first analyses the weak nodes in the power system and quantifies the SCR requirements of these nodes under voltage safety constraints. Based on this analysis,...

Since the photoconversion efficiency η of the silicon-based solar cells (SCs) under laboratory conditions is approaching the theoretical fundamental limit, further improvement of their performance requires theoretical modeling and/or numerical simulation to optimize the SCs parameters and design. The existing numerical approaches to modeling and op...

In the presented work, titanosilicate with the MWW structure (Ti-MWW) was hydrothermally synthesized using boron and titanium precursors, with piperidine as a structure-directing agent. The resulting layered zeolite precursor, with a Si/Ti molar ratio of 50, was treated in an HNO 3 solution to remove extraframework Ti and B species. The acid-modifi...

Due to the dense crop residue in the Huang-Huai-Hai region, challenges such as large resistance, increased power consumption, and straw backfilling arise in the process of no-till seeding under the high-speed operations. This paper presents the design of a straw treatment device to address these issues. The cutting edge of a straw-cutting disc is o...