SCR - Science topic

In our article titled ‘A historical-technical analysis of packaging waste flows in Vienna’, recently published in Resources, Conservation and Recycling 194 (2023), 106975, we erroneously reported the secondary raw material (SRM) provision indicators of the separate collection rate (SCR) and the sorting rate (SR) of paper, cardboard, and corrugated...

Southern corn rust (SCR) caused by Puccinia polysora Underw is a major disease leading to severe yield losses in China Summer Corn Belt. Using six multi-locus GWAS methods, we identified a set of SCR resistance QTNs from a diversity panel of 140 inbred lines collected from China Summer Corn Belt. Thirteen QTNs on chromosomes 1, 2, 4, 5, 6, and 8 we...

In the present paper, the occurrence and development of the pseudo-desublimation process of AdBlue microdroplets in the microchannels and surfaces of catalytic reduction systems (SCR) are reported. In order to understand how the pseudo-desublimation process develops, the influence of heat flux values on the heat transfer of AdBlue injection was ana...

The luteal phase of the menstrual cycle is accompanied by diminished vagally mediated heart rate variability (vmHRV). VmHRV is consistently linked to anxiety, a commonly experienced symptom during the luteal phase. However, fear conditioning, a laboratory model of anxiety, has received limited attention in the context of menstrual cycle fluctuation...

High-density (HDPE) and linear low-density polyethylene (LLDPE) geomembranes are used in barrier systems in various containment applications. The former is known for its better chemical resistance, while the latter is known for its higher stress-crack resistance (SCR). The SCR of high-density polyethylene is well defined in the literature, but the...

In this paper, Micro-electromechanical systems (MEMS) cantilever beam bio-sensing system is simulated, analyzed and designed for quick tuberculosis detection using Intellisuite Software. The surface of the cantilever has been coated with antibodies, which bind to the antigen present. The surface is strained and forms deflection once the target mole...

In prior technology, system-level electrostatic discharge (ESD) tests under environment change conditions mainly focused on testing the effect of a high-temperature environment. i.e., the effect on internal circuits of heat generated outside. However, few studies have explored the effect of ambient relative humidity changes on integrated circuits (...

Ce and La modified Cu/IM-5 (CuCeLa/IM-5) catalysts were prepared through ion exchange method, and they were used for NH3-SCR. The results exhibited that CuCeLa/IM-5 catalyst possessed the more excellent activity than other catalysts in the wide reaction temperature window (250–450 ℃). This was because Ce and La boosted surface acidity and redox pro...

Despite interest in opportunities that Industry 4.0 offers for Supply Chain Resilience (SCR), little is known about the underlying mechanisms for such contributions. The study develops a roadmap that explains how supply chains can capitalize on Industry 4.0 SCR functions. The study conducted a content -centric literature review and identified 16 fu...

Though threat-extinction models continue to inform scientific study of traumatic stress, knowledge of learning and extinction as mechanisms linking exposure to psychopathology remains critically limited among youth. This proof-of-concept study advances the study of threat-extinction in youth by determining feasibility of electrodermal stimulation (...

Stable Continental Regions (SCR) feature very low seismicity levels, but historical seismicity reveals that these areas can experience large damaging earthquakes of magnitude up to Mw ≈ 7, on faults that were previously undocumented or thought to be stable. Glacial Isostatic Adjustment (GIA) is commonly considered as a factor of SCR deformation and...

Agriculture occupies a basic place in the economy of Bulgaria. A key sector on which a large part of production in the country is based, regardless of the political or socio-economic processes taking place during different time periods. The purpose of the scientific development is to present the development of the Gross value added (GVA) of agricul...

The satellite cross-calibration radiometer (SCR) is a conceptual on-orbit hyperspectral imaging radiometer that transfers the radiometric calibration from a “gold-standard” reference instrument such as the Landsat 8/9 Operational Land Imager (OLI) to other civil, international, or commercial “client” multispectral satellite systems via near-simulta...

Rural areas (RA), according to their geographical determination, are determined by specific characteristics for each of them. The administrative affiliation, on the other hand, fixes the socio-economic profile and in relation to this direction, the aim of the scientific study is to investigate some of the non-agricultural activities - Hotel and res...

The image transmission over wireless media experiences not only unavailable performance loss caused by the environment and hardware issues, but also information leakage to eavesdroppers who can overhear and attempt to recover the images. This paper proposes a secure cooperative relaying (SCR) protocol for the image communications in wireless relay...

Selective catalytic reduction (SCR) of NOx by ammonia is one of the dominant pollution abatement technologies for near-zero NOx emission diesel engines. A crucial step in the reduction of NOx to N2 with Cu zeolite NH3-SCR catalysts is the generation of a multi-electron donating active site, implying the permanent or transient dimerization of Cu ion...

Network intrusion detection is a relevant cybersecurity research field. The growing number of intrusions requires more sophisticated methods to protect computer networks. Various machine learning algorithms are used to detect network intrusions and anomalies, but their accuracy is limited. In this research, we address the problem of improving netwo...

There is a remarkable variation in SCR among dairy bulls, with more than 10% conception rate difference between high-fertility and low-fertility bulls. Interestingly, part of this variation is explained by genetic factors. Although dairy bull fertility is undoubtedly a complex trait modulated by many genes, several studies have shown that there are...

Perception and expression of pain in cancer patients are influenced by distress levels, tumor type and progression, and the underlying pathophysiology of pain. Relying on traditional pain assessment tools can present limitations due to the highly subjective and multifaceted nature of the symptoms. In this scenario, objective pain assessment is an o...

This letter presents a novel structure for electrostatic discharge (ESD) protection of millimeter wave (mm-wave) input/output (I/O). The proposed structure features a meticulously embedded transformer in the direct-connected silicon-controlled rectifier (DCSCR), which ensures wideband lossless performance through the resonance between the transform...

Abstract A multicenter, randomized controlled clinical trial evaluated the effectiveness of two treatments for deep caries lesions in permanent molars - selective caries removal (SCR) to soft dentin with restoration in a single visit, and stepwise excavation (SW) - regarding pulp vitality for a 5-year follow-up period. The present study aimed to de...

With the increasingly stringent national requirements for environmental protection, the control of pollutants in coal-fired power plants has been gradually strengthened. In order to meet the NO x emission standard, some coal-fired units achieve ultra-low emissions by excessive ammonia injection, which seriously affects the unit operation economy. T...

Hypertension is one of the silent killers in human life which is characterized by uncontrolled blood pressure. Although many therapeutic drugs have demonstrated success in treating hypertension, these treatments have their own drawbacks, most notably in terms of cost and side effects. Hypertension treatment with natural products has lately been pro...

Introduction GRAS, named after GAI, RGA, and SCR, is a class of plant-specific transcription factors family that plays a crucial role in growth and development, signal transduction, and various stress responses. Methods To understand the biological functions of the banana GRAS gene family, a genome-wide identification and bioinformatics analysis o...

No-till maize (Zea mays L.) sowing is often affected by stubble. The high-pressure waterjet at a constant rate is powerless to precision applications of stubble cutting and causes water waste. In this study, a pressure-adjustable stubble-cutting device with a stubble-thickness detection device was designed. Through experiments, the quantitative ana...

This paper introduces a numerical model for analysing the dynamic response and fatigue damage of a global steel catenary riser (SCR) at the touchdown zone (TDZ). The model incorporates an innovative pipe-soil interaction model based on a new effective-stress framework to evaluate the changing soil strength induced by the cyclic motion of the SCR, t...

It has been demonstrated that odors could affect humans at the psychophysiological level. Significant research has been done on odor perception and physiological mechanisms; however, this research was mainly performed in highly controlled conditions in order to highlight the perceptive phenomena and the correlated physiological responses in the tim...

In this study, the fabricated Al/p-Si Schottky diode is characterised at room temperature using current–voltage (I–V) and capacitance–voltage–frequency (C–V–f) techniques. The energy distribution profile of the diode’s interface state density is generated using different diode parameters. In the I–V measurements, the variation in energy, charge, an...

Korean manufacturers have developed a new varicella vaccine, NBP608. This phase 3, randomized, double-blind, multicenter study aimed to compare the immunogenicity and safety of NBP608 in healthy children to those of VarivaxTM (control). Children aged 12 months to 12 years were randomized in a ratio of 1:1 to receive either NBP608 or the control vac...

Solar cosmic rays (SCRs) are generated during the primordial energy release in solar flares. This explosive process takes place in the solar corona above the active region. It represents the fast release of the magnetic field energy of the current sheet, which is formed near a singular magnetic field line. Solar cosmic rays appear as a result of th...

In order to realize the full-time denitration of a boiler, high-temperature flue gas needs to be introduced when SCR is conducted during the boiler start-up stage, and there is a fire risk due to the presence of combustible fly ash at this time. Therefore, research on reburning and the explosion risk of tail flue gas encountering high-temperature f...

The representative of natural layered clays, bentonite, was modified according to two routes and tested as a new catalyst for selective catalytic reduction of nitrogen oxides with ammonia (NH₃-SCR). The natural acid-activated clay was ion-exchanged with Na⁺ or remained in H-form and pillared with metal oxides. In order to limi...

O presente artigo traz análise do funcionamento e do processo de deságue de resíduos com alto teor de líquidos, dispostos em dois Sistemas de Confinamento de Resíduos (SCR) idênticos, porém um com drenos verticais internos em geotêxtil não tecido, ambos submetidos a dois ciclos de enchimento. O lodo utilizado é um resíduo da Estação de Tratamento d...

As an effective method to improve saline–alkali land, the drainage from subsurface pipes has been extensively studied in typical arid and semi-arid agricultural areas (Hetao Irrigation District). However, there are few studies on the improvement of subsurface pipe layout and the long-term soil salinization control in the process of leaching and soi...

Although the P300 event-related potential (ERP) is the most likely central measure of Sokolov’s Orienting Reflex (OR), there are few systematic comparisons with the skin conductance response (SCR), the “gold standard” electrodermal OR measure. We examine habituation, stimulus significance, and inter-stimulus interval (ISI) effects in SCRs and compo...

Cu-containing hierarchical SAPO-34 catalysts were synthesized by the bottom-up method using different mesoporogen templates: CTAB encapsulated within ordered mesoporous silica nanoparticles (MSNs) and sucrose. A high fraction of the Cu centers exchanged in the hierarchical SAPO-34 architecture with high mesopore surface area and volume was achieved...

Understanding the effects of genotype, environment and their interactions on rice quality is of great importance for rice breeding and cultivation. In this study, six rice varieties with two indica, two japonica and two indica–japonica types of rice were selected and planted at ten locations in Zhejiang Province to investigate the genotype (G) × en...

Genetic code expansion (GCE) offers many exciting opportunities for the creation of synthetic organisms and for drug discovery methods that utilize in vitro translation. One type of GCE, sense codon reassignment (SCR), focuses on breaking the degeneracy of the 61 sense codons which encode for only 20 amino acids. SCR has great potential for genetic...

Cu-SSZ-13 zeolite has been commercialized for selective catalytic reduction with ammonia (NH3-SCR) to remove NOx from diesel exhaust. As its synthesis usually requires toxic and costly organic templates, the discovery of alternative Cu-based zeolite catalysts with organotemplate-free synthesis and comparable or even superior NH3-SCR activity to Cu-...

The effects of four distinct zinc species (ZnCl2, Zn(NO3)2, ZnSO4, and ZnCO3) on a Mn-Ce co-doped CuX (MCCX)catalyst were investigated and contrasted in the low-temperature NH3-SCR process. Aqueous solutions of ZnCl2, Zn(NO3)2, ZnSO4, and ZnCO3 were used to poison the catalysts. The catalytic activity of all catalysts was assessed, and their physic...

Small porous Cu-SSZ-13 catalysts have recently been commercialized for the selective catalytic reduction of NOx with ammonia (NH3-SCR) on diesel vehicles. Unfortunately, the conventional Cu-SSZ-13 catalyst still confronts the challenge of diffusion limitations, which represent a major obstacle that reduces the catalyst’s SCR performance. Herein, a...

The need for a resilient supply chain has become more prominent in the modern world today. Supply Chain Resilience (SCR) is a concept that has been vastly addressed in earlier studies. However, little is known regarding how information technology plays a crucial role in supply chain resilience and more recent studies have focused on its significanc...

Developing an environmentally friendly selective catalytic reduction (SCR) catalyst to effectively eliminate both nitric oxides (NO) and toluene has garnered significant attention for regulating emissions from automobiles and the combustion of fossil fuels. This study synthesized a series of novel commercial V2O5–WO3/TiO2 catalysts modified with Cu...

The aim of this study was use the performance prediction of crosses in a group of conventional soybean genotypes to obtain the breeding value (BV), and to evaluate the correlation between the prediction and the actual productive potential of the progeny generated by this method in experimental tests for different seasons and environments, and deter...

This paper presents two mechanisms for the deNOx process and for the deN2O process (in two variants). The processes were carried out on a clinoptilolite zeolite catalyst with a deposited Cu–Cu monometallic dimer and Cu–Zn bimetallic dimer with bridged oxygen between the metal atoms. Analyses were performed for hydrated forms of the catalyst with a...

Weakly supervised object localization (WSOL) is one of the most popular and challenging tasks in computer vision. This task is to localize the objects in the images given only the image-level supervision. Recently, dividing WSOL into two parts (class-agnostic object localization and object classification) has become the state-of-the-art pipeline fo...

The failure probability analysis of Selective Catalytic Reduction(SCR) denitrification system in thermal power plants has practical significance for the safe operation of denitrification system. After classifying the causes of the denitrification system failure, a fault tree analysis with the abnormal ammonia nitrogen molar ratio as the main indica...

State variables such as abundance and occurrence of species are central to many questions in ecology and conservation, but our ability to detect and enumerate species is imperfect and often varies across space and time. Accounting for imperfect and variable detection is important for obtaining unbiased estimates of state variables. Here, I investig...

As industry and society move towards the second decade of the deluge of advanced technologies of the Industry 4.0 (I4.0) age, introduced circa 2012, it is evident that the global economy continues to grapple with a plethora of ever-intensifying disruptions and vulnerabilities that inflict unexpected and uncontrolled damages on multiple organization...

Quantifying animal abundance, density, and distributions affords the opportunity to understand the effects of landscape structure and change on species of conservation interest, but estimating these parameters can be difficult for rare and cryptic species. Noninvasive sampling methods, such as remote cameras or scat DNA, can mitigate the challenges...

A periodic pigging operation performed to clean off sediment and provide operators with detailed health information for a pipeline is mandatorily required. The research on pigging-induced issues for the steel catenary riser (SCR), one of the key parts in offshore hydrocarbon recovery pipelines between the floating production system and the seabed,...

Background Time to complete remission, subsequent flares and time on immunosuppressives after remission are major determinants of the progression to advanced chronic kidney disease (CKD) in lupus nephritis (LN). However, the impact of these factors on the rate of glomerular filtration rate (GFR) deterioration is not known. Our objective was to dete...

Background Early complete remission (within 12 months) is considered an important protective factor against development of chronic kidney disease (CKD) in lupus nephritis (LN). However, a certain proportion of such patients still develop advanced CKD. Our objective was to describe the factors associated with the development of CKD stage IV or worse...

Numerous deep learning methods for acoustic scene classification (ASC) have been proposed to improve the classification accuracy of sound events. However, only a few studies have focused on continual learning (CL) wherein a model continually learns to solve issues with task changes. Therefore, in this study, we systematically analyzed the performan...

In the real world, humans are exposed to multiple metal(loid)s (designated hereafter metals) that contain essential metals as well as toxic metals. Exposure to the metal mixture was assumed to be associated with renal function impairment; however, there is no consensus on available studies. Therefore, we here explored the association between multip...

Mesoporous silica materials of MCM-48 and MCM-41 types were synthetized by surfactant directed methods and modified with copper by template ion-exchange (TIE) protocol and its extended version including post-treatment of modified silicas with ammonia solution. Obtained samples were characterized with respect to their textural parameters (low-temper...

Selective catalytic reduction (SCR) technology is the most widely used denitrification method in industry. However, the calibration of its kinetic model is very problematic due to the large number of parameters involved and the nonlinear characteristics, especially for the undesired reactions such as formation-decomposition of ammonium nitrate (AN)...

Background Dental caries are a common non-communicable disease among children. As a public health measure at the prefectural level, school-based fluoride mouth-rinse (S-FMR) programs and medical/dental expense subsidy policies may reduce the incidence of dental caries and tooth loss. Prefectures focusing on promoting oral health policies may promot...

Background The prevalence of metabolic unhealthy has emerged as a significant concern within the public health domain on a global scale. The potential correlation between hemoglobin concentration and metabolic unhealthy remains uncertain. Consequently, we endeavoured to examine this relationship both at the initial assessment and during the subsequ...

Purpose: Uncorrected refractive errors after cataract surgery contribute to visual impairments. The aim of this study was to investigate the spectacle coverage rate (SCR) following cataract surgery and its relationship with socioeconomic factors in an urban city in Indonesia. Patients and methods: This population-based cross-sectional study was...

The COVID-19 pandemic has emerged as a global threat that is making industrial managers rethink their supply chain (SC) structures in an uncertain business environment. Because of the COVID-19 pandemic, global SCs have been severely disrupted, triggering the need for a supply chain resilience (SCR) model. Based on the literature and expert input, 1...