showing 36 of ~574560 from 574555 documents
Des céréales à paille compétitives vis-à-vis des adventices
2022
National audience; Contexte -Réduire le recours au désherbage chimique ou/et mécanique, tous deux questionnés pour des raisons environnementales, nécessite d’activer des leviers de régulationbiologique des plantes adventices. Lesquels ?Ceux misant sur la capacité de compétition de la culture. Couvrir le sol, occuper l’espace,limiter la disponibilité en lumière à différents stades de développement de la culture, autantde caractéristiques à rechercher aujourd’hui.¾ étude - L’article propose un bilan des connaissances concernant les principauxcaractères impliqués dans la compétitivité ou/et la tolérance des variétés de céréales àpaille vis-à-vis des adventices, les corrélations connues entre c…
Martí de Viciana: Libro quarto de la Crónica de la ínclita y coronada ciudad de Valencia y de su reino
2022
Al Libro quarto Viciana narra la revolta de les Germanies des d'un punt de vista nobiliari que no li impedeix reconèixer el mèrit dels adversaris. És una crònica del moviment agermanat des de la gènesi fins a la vinguda de la virreina Germana de Foix, amb unes notes breus sobre la repressió antiagermanada. La crònica està escrita amb la ferma voluntat de comprendre tot el moviment de forma global. Viciana explica com s'inicià el moviment agermanat a la ciutat de València i des d'allí s'irradià cap a la resta del País Valencià. Relata la gestació de la Germania a les diverses ciutats valencianes a partir d'una informació de primera mà, que obté des d'arxius particulars i públics, entre els q…
Antibiotic therapy of neuroborreliosis:A survey among infectious disease specialists and neurologists in Norway, Sweden, and Denmark
2022
INTRODUCTION: Neuroborreliosis (NB) is a prevalent tick-borne neuroinfection in Europe. To delineate current practice in antimicrobial management of adults with NB and to prioritize future trials needed to optimize treatment recommendations, a questionnaire-based survey was performed.METHODS: A self-administered Internet-based survey of NB treatment practices among specialists in infectious diseases and neurology based in Norway, Sweden, and Denmark was carried out between October 2021 and February 2022. The participants were also asked to prioritize four pre-defined research questions for randomized controlled trials (RCTs) on therapy for NB.RESULTS: In total, 290 physicians (45% female) f…
Knowledge, safety, and teamwork: a qualitative study on the experiences of anaesthesiologists and nurse anaesthetists working in the preanaesthesia a…
2022
Abstract Background The preanaesthesia assessment clinic (PAC) has been shown to contribute to safe anaesthesia assessment in hospitals. In the PAC, patients are assessed with an interview and can also ask relevant questions about anaesthesia. The intention is to ensure that patients are comprehensively prepared for the surgery and hospital stay. Although earlier studies have assessed the effects of PAC, attitudes and satisfaction of the healthcare personnel working in PAC remain unknown. Thus, this study aimed to examine the experiences of anaesthesiologists and nurse anaesthetists working in PACs as well as to explore barriers and facilitators in this context. Methods A descriptive qualit…
Detection of Signals in MC–CDMA Using a Novel Iterative Block Decision Feedback Equalizer
2022
This paper presents a technique to mitigate multiple access interference (MAI) in multicarrier code division multiple access (MC-CDMA) wireless communications systems. Although under normal circumstances the MC-CDMA system can achieve high spectral efficiency and resistance towards inter symbol interference (ISI) however when exposed to substantial nonlinear distortion the issue of MAI manifests. Such distortion results when the power amplifiers are driven into saturation or when the transmit signal experiences extreme adverse channel conditions. The proposed technique uses a modified iterative block decision feedback equalizer (IB-DFE) that uses a minimal mean square error (MMSE) receiver …
Multiparameter quantum critical metrology
2022
Single parameter estimation is known to benefit from extreme sensitivity to parameter changes in quantum critical systems. However, the simultaneous estimation of multiple parameters is generally limited due to the incompatibility arising from the quantum nature of the underlying system. A key question is whether quantum criticality may also play a positive role in reducing the incompatibility in the simultaneous estimation of multiple parameters. We argue that this is generally the case and verify this prediction in paradigmatic quantum many-body systems close to first and second order phase transitions. The antiferromagnetic and ferromagnetic 1-D Ising chain with both transverse and longi…
Flexible Perfluoropolyethers-Functionalized CNTs-Based UHMWPE Composites: A Study on Hydrogen Evolution, Conductivity and Thermal Stability
2022
Flexible conductive composites based on ultra-high molecular weight polyethylene (UHMWPE) filled with multi-walled carbon nanotubes (CNTs) modified by perfluoropolyethers (PFPEs) were produced. The bonding of PFPE chains, added in 1:1 and 2:1 weight ratios, on CNTs influences the dispersion of nanotubes in the UHMWPE matrix due to the non-polar nature of the polymer, facilitating the formation of nanofillers-rich conductive pathways and improving composites’ electrical conductivity (two to five orders of magnitude more) in comparison to UHMWPE-based nanocomposites obtained with pristine CNTs. Electrochemical atomic force microscopy (EC-AFM) was used to evaluate the morphological changes dur…
Application of textile fibres from tire recycling in asphalt mixtures
2022
The tire rubber obtained from end-of-life car and truck tires has been successfully recycled, among other applications, in the asphalt industry by providing a mean to get asphalt mixtures with superior performance. Textile fibres are another component derived from tire recycling typically disposed of in landfills or used in energetic valorisation. This paper wants to re-ignite interest in this secondary product by evaluating its use as a valuable resource in asphalt mixtures. Indirect tensile tests, dynamic modulus, fatigue resistance, and permanent deformation tests were performed on a series of AC14 asphalt mixtures manufactured with two binders, namely 50/70 and 35/50 pen, using several …
Ammatti-identiteetin merkitys toimittajien työn ja muun elämän rajanhallinnalle
2022
Tässä artikkelissa tarkastellaan suomalaisten toimittajien ammatti-identiteettiin liittyviä käsityksiä sekä niiden merkitystä heidän työn ja muun elämän rajanhallinnalleen. Rajanhallinta määritellään vuorovaikutusprosessiksi, jossa työn ja muun elämän rajoista neuvotellaan. Lähestymme tutkimusaihetta laadullisen tutkimuksen menetelmin. Aineisto koostuu suomalaisten toimittajien sekä heidän itsensä nimeämien työ- ja yksityiselämän henkilöiden puolistrukturoiduista haastatteluista (N=32). Temaattisen sisällönanalyysin myötä käsitykset toimittajien ammatti-identiteetistä jäsentyvät kahdeksi yläteemaksi, joita ovat toimittajuus elämäntapana sekä toimittaju…
A cross-sectional study on smartphone uses among pregnant women attending childbirth classes in the Metropolitan Area of Palermo, Italy: The Stop-Pho…
2022
Background: Prevalence of mobile device addiction has increased over the years; both women and men have assimilated the mobile phone as a central component of their personal existence: integrating it into their lifestyle or becoming so dependent on it that life without it has become unimaginable. Smartphones generate radio-frequency electromagnetic fields. While short-term exposure in adults was considered quite safe, effects of long-term exposure or exposure during pregnancy on fetuses or during breastfeeding on newborns are not well studied yet. The objective of the present study was to investigate the prevalence and usage characteristics of smartphones among a sample of pregnant women, a…
Applying transdisciplinary sustainability transitions research in international social work doctoral training
2022
In the last 15 years, transdisciplinary research of sustainability transitions has become an increasingly powerful approach. We discuss it as a perspective for social work discipline, and as a theoretical-conceptual frame of a new international doctoral training and research programme in social work taking place in seven European countries. In our qualitative study, we investigate how the participating social work doctoral students reflect upon transdisciplinarity and understand the interconnectivity between environmental, ecological, and social sustainability transitions—which is widely recognised as a highly complex challenge of sustainability. The data used included the students’ learnin…
Evaluating security and privacy issues of social networks based information systems in Industry 4.0
2022
[EN] The present study aimed to analyse the main risks related to security and privacy of social networks based information systems in Industry 4.0. The methodology we used is an innovative exploratory data-driven process divided into three steps. First, we performed sentiment analysis to divide the database composed of 67, 206 tweets into feelings. Second, we applied a topic-modelling algorithm to extract topics. Third, we applied textual analysis to collect insights. A total of 10 topics related to security and privacy issues were identified as results. The paper concludes with a discussion of the challenges and main concerns related to the identified topics.
Teachers’ Work-Related Well-Being in Times of COVID-19: The Effects of Technostress and Online Teaching
2022
Following the outbreak of the COVID-19 pandemic, one of the first measures implemented in Italy was the transition from frontal teaching to online teaching. The sudden need to use technologies to perform their job has added a source of stress to teachers’ work: so-called technostress. The difficulties experienced in this transition may also have affected the perception of work-related well-being, although other variables, such as the perception of the meaningfulness of work, could alleviate this sense of uneasiness. The study aims to examine the relationships between technostress, online teaching, pleasure in working, and meaningful work perceptions among 219 teachers from different school …
Opportunities and limitations of in-gas-cell laser spectroscopy of the heaviest elements with RADRIS
2022
International audience; The radiation detection resonance ionization spectroscopy (RADRIS) technique enables laser spectroscopic investigations of the heaviest elements which are produced in atom-at-a-time quantities from fusion-evaporation reactions. To achieve a high efficiency, laser spectroscopy is performed in a buffer-gas environment used to thermalize and stop the high-energy evaporation residues behind the velocity filter SHIP. The required cyclic measurement procedure in combination with the applied filament collection for neutralization as well as confinement of the stopped ions and subsequent pulse-heat desorption constrains the applicability of the technique. Here, some of these…
Un formulari i un registre del bisbe de València Jaume d'Aragó (segle XIV)
2022
Dos documents imprescindibles per a les cancelleries de l'època. Els textos permeten entendre els afers relacionats amb els beneficis eclesiàstics, les llicències per absentar-se del benefici, els substituts, les rendes, etc. Tot això converteix el formulari i el registre en testimonis extraordinaris per al coneixement del funcionament de la figura i del bisbat de Jaume d'Aragó. Two essential documents for the chancelleries of the time. The texts allow us to understand matters related to ecclesiastical benefices, leaves of absence from the benefice, substitutes, rents, etc. All this makes the form and the register extraordinary witnesses for the knowledge of the functioning of the figure an…
Does the law matter? An empirical study on the accessibility of Finnish higher education institutions’ web pages
2022
AbstractInformation and communication technology (ICT) has made higher education available to many students in a new way. The role of online learning in higher education institutions (HEIs) has grown to an unprecedented scale due to the COVID-19 pandemic. The diversity of higher education students has increased, and accessible solutions are needed. New European and national regulations support these trends. The research reported in this paper was conducted in Finland, which is one of the leading European countries in terms of high technology and digitalisation. The aim of this research is to explore the accessibility of all Finnish HEIs’ (N = 38) landing pages based on Web Content Accessibi…
Quine’s conflicts with truth deflationism
2022
AbstractCompared to the extensive amount of literature on various themes of W.V.O. Quine’s philosophy, his immanent concept of truth remains a relatively unexplored topic. This relative lack of research contributes to a persistent confusion on the deflationary and inflationary details of Quine’s truth. According to a popular reading, Quine’s disquotational definition of the truth predicate exhausts the topic of truth, thus amounting to a deflationary view. Others promote opposing interpretations. I argue that by relying on Tarski’s semantic conception of truth, Quine’s disquotational account inherits a commitment to classical correspondence intuitions. Based on this, Quine posits a firm con…
A Nomenclatural and Taxonomic Revision of the Senecio squalidus Group (Asteraceae)
2022
Senecio squalidus (Asteraceae) currently includes nine subspecies distributed in North and Central Europe and in the Mediterranean basin. Within this taxonomic aggregate, many species have been described, but research on their nomenclatural types is incomplete. A complete nomenclatural survey of 19 names belonging to this taxonomically critical group was carried out. Fourteen lectotypes are here designated. The nomenclatural analysis, complemented by field investigations in the type localities of the taxa described in the Central Mediterranean, allowed us to accept 10 species. Accordingly, we proposed here a new name and a new missing combination at a specific level: S. aknoulensis and S. c…
Growth-Related Responses to the Threat of COVID-19 among Adolescents.
2022
The main objective of our study was to determine whether the experience of the types of pandemic threats included in the study, could activate development responses among adolescents and what the role of the level of stress experienced during the COVID-19 pandemic is in the process of post-traumatic PTG growth. We also made an attempt to investigate whether personality traits and gender were predictors of PTG growth in adolescents. Therefore, the theoretical bases for the interpretation of the obtained results are models of post-traumatic growth (PTG), mainly by Calhoun and Tedeschi. The research was conducted in March 2020. The study subjects were 405 adolescents aged 14 to 20 years, with …
Valutazione dell’andamento del fondo continuo in uno spettro gamma complesso per la determinazione dei limiti di rivelazione
2022
Nella valutazione della minima attività rivelabile (MDA, minimum detectable activity) per dato radionuclide in uno spettro gamma complesso, la determinazione dei conteggi di fondo da considerare nelle computazioni viene, a volte, complicata dalla presenza di molti picchi fotoelettrici che rendono l’andamento del fondo continuo estremamente variabile per i molteplici effetti di dispersione e fattori di interferenza. Ne consegue che la valutazione di MDA deve essere effettuata dopo l’analisi complessiva dello spettro gamma, per tenere conto dei contributi di tutte le emissioni gamma dei radionuclidi presenti in un dato campione. Per emissioni gamma di debole intensità, che non sono identifica…
Effects of osteopathic manipulative treatment of the pivots on lower limb function in young professional football players
2022
Introduction: The most frequent injuries in professional soccer players are those pertinent to the lower limbs. In particular, strains of the hamstrings and ligamentous injuries of the knee. Therefore, preventive measures are aimed to reduce such events. We aimed to investigate if an osteopathic manipulative treatment (OMT) of the pivots could improve lower limb function in young professional football players. Methods: Thirty-eight young male professional football players were recruited (mean age 17.8 +/- 0.44 years). These were randomly assigned to an OMT or control group (n 1/4 20 and 18, respectively). Both groups underwent osteopathic evaluation. A sit-and-reach test, a vertical jump te…
Is more competition better? Retail electricity prices and switching rates in the European Union.
2022
The European Union (EU) promotes the liberalization of retail electricity markets to achieve lower prices, diversified offers, greater customer participation, and sustainable consumption behaviours. While retail competition has been a reality in most EU member states, most studies find that retail competition is suitable for large customers, but the evidence on small customers is inconclusive. We analyze data on electricity prices and switching rates in 27 EU member states and the UK from 2000 to 2019. We find that retail competition is associated with lower prices and that the effect of full liberalization is greater than that of partial liberalization.
Development of the Health Promoting Sports Club - National Audit Tool
2022
Abstract Background Sports clubs have requested support from national governing authorities to invest in health promotion (HP), by developing policies, guidelines and dedicated funding. This manuscript outlines the development of a national audit tool to review policies development and implementation to support HP in sports clubs. Methods A 5-step process was undertaken by an international project team: (1) a rapid literature review to identify items assessing policies in physical activity, HP and sports, (2) a thematic analysis to categorize items, (3) a Delphi method to analyze item relevance, country specificity, reformulation, validation and organization, (4) face validity through an on…
Health literacy and its association with health outcomes among students in upper secondary education
2022
Abstract Background Health literacy (HL) - as a broad range of health-related competencies and skills- has been recognized as a determinant of health outcomes, and suggested to be a modifiable health resource and a factor contributing to empowerment and equity. Thus, there is a need to identify the state of HL in various population groups. The aim of this study was to investigate HL levels and associations between HL, physical activity and subjective health among students in general upper secondary and vocational Swedish-language schools in Finland. Methods The study used cross-sectional data from the Finnish LIITU-study among students in Swedish-speaking general upper secondary and vocatio…
Il desiderio di un'etica nell'epoca dell'immagine del mondo dominata dalla tecnica
2022
The question about the essence of modern technique is posed from the point of view of a desire to go beyond anthropological-instrumental conceptions of technique: in fact, it recognizes the profound connection between the metaphysics of subjectivity and the advent of the world of technology, the last of the temptations or risks must be to fall back into instrumental anthropological conceptions of the technique. In fact, we must not make the mistake of considering that at the origin of the technique is the scientific calculation of nature, the sum expression of the self-affirmation of the subject in the sense that the technique is entirely dominable by man: this is precisely the illusion gen…
Le difficoltà probatorie per superare il ragionevole dubbio nei processi alla criminalità organizzata .
2022
A 34 anni dall’entrata in vigore del codice sembra essere ampiamente prevalsa l’idea di una specificità nell’accertamento processuale dei fatti di “criminalità organizzata ”, consacrata espressamente nel paradigma del “contraddittorio inquinato”, oggetto della riforma costituzionale n. 2 del 1999. Il comma 5 dell’art. 111 ha cristallizzato una deroga permanente alle regole di formazione della prova in relazione ai fenomeni criminali mostratisi capaci di «inquinare» e svilire il contraddittorio . Nella modifica costituzionale e nella successiva attuazione da parte della l. 1° marzo 2001, n. 63 si è registrata la legislativa presa d’atto della necessità di tutelare la genuinità delle fonti di…
Socioemotional wealth in family business research: A systematic literature review on its definition, roles and dimensions
2022
This study aims to depict the current state of research on socioemotional wealth (SEW) in family businesses considering its definitions, roles, and dimensions. Using the SPAR-4-SLR protocol (Paul, Lim, O’Cass, Hao, & Bresciani, 2021), we develop a systematic review of literature on SEW covering 74 studies published between 2007 and 2022. We propose a comprehensive definition of SEW based on four nonfinancial aspects and an association model that reviews the roles of SEW as an antecedent, a consequence, or a moderator. We also offer a new conceptual model for SEW comprising a general dimension and ten specific dimensions to facilitate empirical inquiries into areas beyond those considered by…
Design and Fabrication of Liquid Pressure Sensor Using FBG Sensor Through Seesaw Hinge Mechanism
2022
Pressure sensors are used in various industrial applications assisting in preventing unintended disasters. This paper presents the design and fabrication of a novel Seesaw device incorporating a diaphragm and Fiber Bragg Grating (FBG) sensor to measure the pressure of liquids. The designed sensor has been tested in a static water column. The proposed design enables the user to easily make and modify the diaphragm based on the required pressure range without interfering with the FBG sensor. The developed pressure sensor produces improved accuracy and sensitivity to applied liquid pressure in both low and high-pressure ranges without requiring sophisticated sensor construction. A finite eleme…
Combined effects of eutrophication and warming on polyunsaturated fatty acids in complex phytoplankton communities:A mesocosm experiment
2022
Climate change and eutrophication are among the main stressors of shallow freshwater ecosystems, and their effects on phytoplankton community structure and primary production have been studied extensively. However, their combined effects on the algal production of polyunsaturated fatty acids (PUFA), specifically, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are currently unresolved. Moreover, the proximate reasons for changes in phytoplankton EPA and DHA concentrations are unclear, i.e., the relative importance of ecological (changes in the community composition) vs. ecophysiological (within taxa changes in EPA and DHA levels) factors. We investigated the responses of phytopla…
The neglected status of the vermetid reefs in the Mediterranean Sea: A systematic map
2022
Studied since late 1800, vermetid reefs are marine bioconstructions of well-acknowledged importance in the Mediterranean Sea. Despite their persistence being jeopardized in the whole basin, recent studies have referred to this bioconstruction as a neglected habitat. In this study, we assessed the neglected status of the Mediterranean vermetid reefs in the scientific literature producing a systematic map through a multi-method bibliometric protocol. Scopus and Web of Science databases were jointly used for data collection. Vermetid reefs publication rate (i.e., number of publications per year) was investigated compared to the other Mediterranean bio-constructions using ANOVA analysis and Zer…
The regulation of efferocytosis signaling pathways and adipose tissue homeostasis in physiological conditions and obesity: Current understanding and …
2022
Obesity is associated with changes in the resolution of acute inflammation that contribute to the clinical complications. The exact mechanisms underlying unresolved inflammation in obesity are not fully understood. Adipocyte death leads to pro-inflammatory adipose tissue macrophages, stimulating additional adipocyte apoptosis. Thus, a complex and tightly regulated process to inhibit inflammation and maintain homeostasis after adipocyte apoptosis is needed to maintain health. In normal condition, a specialized phagocytic process (efferocytosis) performs this function, clearing necrotic and apoptotic cells (ACs) and controlling inflammation. For efficient and continued efferocytosis, phagocyt…
Behavioral and Socio-Emotional Disorders in Intellectual Giftedness: A Systematic Review
2022
AbstractThis work systematically reviewed past literature to investigate the association between intellectual giftedness and socio-emotional and/or behavioral disorders. Nineteen studies met the inclusion criteria, 17 of which have children and/or adolescents as participants, and 12 have a non-gifted control group. Socio-emotional problems, such as withdrawal, were found in 3 out of 8 studies; internalizing disorders, such as anxiety, were found in 5 out of 9; externalizing disorders, such as hyperactivity, were found in 3 out of 5. The most investigated comorbidity was attention-deficit/hyperactivity disorder. A univocal conclusion on the relationship between intellectual giftedness and so…
Statins and angiogenesis in non-cardiovascular diseases.
2022
Statins inhibit HMG-CoA reductase by competitively inhibiting the active site of the enzyme, thus preventing cholesterol synthesis and reducing the risk of developing cardiovascular disease. Many pleiotropic effects of statins have been demonstrated that can be either related or unrelated to their cholesterol-lowering ability. Among these effects are their proangiogenic and antiangiogenic properties that could offer new therapeutic applications. In this regard, pro- and anti-angiogenic properties of statins have been shown to be dose dependent. Statins also appear to have a variety of non-cardiovascular angiogenic effects in many diseases, some examples being ocular disease, brain disease, …
How are learning experiences and task properties associated with adolescents’ emotions and psychophysiological states?
2022
We examined whether learning experiences (value of success, mastery experience) and task properties (challenge) are related to early adolescents’ (n = 190, median age = 12) emotional responses and psychophysiological states (autonomic nervous system, ANS) in achievement situations in an ambulatory laboratory. They completed four achievement tasks (two math and two reading) at different challenge levels in randomized order, and reported their learning and task perceptions for each task. The proportion of errors indicated the objective demandingness of each task. As indices of sympathetic nervous system activity, we recorded skin conductance response (SCR) and heart rate (HR), and, as parasym…
α-casein micelles-membranes interaction: Flower-like lipid protein coaggregates formation
2022
Background: Environmental conditions regulate the association/aggregation states of proteins and their action in cellular compartments. Analysing protein behaviour in presence of lipid membranes is fundamental for the comprehension of many functional and dysfunctional processes. Here, we present an experimental study on the interaction between model membranes and α-casein. α-casein is the major component of milk proteins and it is recognised to play a key role in performing biological functions. The conformational properties of this protein and its capability to form supramolecular structures, like micelles or irreversible aggregates, are key effectors in functional and pathological effects…
Sampling properties of the Bayesian posterior mean with an application to WALS estimation
2022
Many statistical and econometric learning methods rely on Bayesian ideas, often applied or reinterpreted in a frequentist setting. Two leading examples are shrinkage estimators and model averaging estimators, such as weighted-average least squares (WALS). In many instances, the accuracy of these learning methods in repeated samples is assessed using the variance of the posterior distribution of the parameters of interest given the data. This may be permissible when the sample size is large because, under the conditions of the Bernstein--von Mises theorem, the posterior variance agrees asymptotically with the frequentist variance. In finite samples, however, things are less clear. In this pa…