SIRIS-Lab/unlabelled-sti-corpus huggingface dataset:
Can high school students check the veracity of information about COVID-19? A case study on critical media literacy in Brazilian ESL classes

In a globalized world, critical media literacy is imperative when selecting the content we consume amid countless offers.Therefore, the purpose of this case study is to analyze which resources 3 rd year high school students (16-17 years old) from an English as a Second Language class in Brazil use in the construction of authorial journalistic articles demystifying fake news about COVID-19 and if the interventions conducted previous to the task were helpful in their process of developing critical media literacy.To this end, firstly students analyzed news about COVID-19 from international websites; secondly, they discussed aspects of a video that circulated widely in WhatsApp chat groups; and, finally, they produced journalistic articles demystifying popular fake news about COVID-19 in Brazil.The findings suggest a great capacity of students to justify their perceptions about what is fact and what is fake once they were provoked to do so, showing the development of critical media literacy and news literacy through the arguments presented in their articles.
Mean-Payoff Games with Partial-Observation

Mean-payoff games are important quantitative models for open reactive systems. They have been widely studied as games of perfect information. In this paper we investigate the algorithmic properties of several subclasses of mean-payoff games where the players have asymmetric information about the state of the game. These games are in general undecidable and not determined according to the classical definition. We show that such games are determined under a more general notion of winning strategy. We also consider mean-payoff games where the winner can be determined by the winner of a finite cycle-forming game. This yields several decidable classes of mean-payoff games of asymmetric information that require only finite-memory strategies, including a generalization of perfect information games where positional strategies are sufficient. We give an exponential time algorithm for determining the winner of the latter.
Stardust reloaded

The current amount of space debris in orbit combined with the expected increase in traffic due to future mega-constallations will have an unprecedented impact on the space environment, posing a serious question on its stability and resilience to any incident or anomalous event. Although statistically less likely to occur, an asteroid impact would have devastating consequences for our planet. Thus Stardust-R will address the growing need for a sustainable exploitation of space, the resilience of the space environment, the threat and opportunities coming from asteroids and comets and the compelling need for properly trained specialists who can tackle these issues.
The key scientific objectives are: 1) to globally characterise the dynamics of objects around the Earth to define disposal solutions, 2) to correlate spatially and temporally distant events and families of debris to their parent object, 3) to quantify uncertainty in celestial mechanics to accurately predict the probability of impact and collision and quantify the resilience of space systems and environment, 4) to develop AI tools and methods for space traffic management, 5) to define a criticality index for small asteroids to identify the need for exploration/characterisation, the possibility for exploitation and the method of deflection, 6) to develop a new distribution model for small size asteroids, 7) to develop systems and algorithms to explore and land on minor bodies with autonomous nano-spacecraft.
These objectives will be achieved via 15 projects developed by 15 Early Stage Researchers who will be trained in math phyisics, computer science and aerospace engineering to provide effective solutions to make the space environment resilient, space exploitation sustainable, learn more about minor bodies and ultimately protect Earth and our space assets.
Le modèle managérial de la recherche

To be a scientist is to make an implicit ethical commitment: to try to tell the truth about the world. The managerial model of research, which is the ideological foundation of modern political reforms of the research system around the world, stands in direct conflict with this assertion. It consists in identifying the scientist with a homo economicus looking to maximize its own profit, which a bureaucracy is tasked to align with performance objectives. This model is incoherent and destructive. Science is made possible by curiosity, emulation and intellectual ethics. These are the human traits that a rational research organization should try to favor and exploit.Le modèle managérial de la recherche - Critique et alternative.Faire de la science est un engagement moral : s’efforcer de dire le vrai sur le monde. Le modèle managérial de la recherche, fondement idéologique des réformes du système de recherche engagées en France depuis les années 2000, s’y oppose frontalement. Il consiste à identifier le chercheur à un homo economicus cherchant en premier lieu à maximiser son intérêt personnel, qu’une bureaucratie tente d’aligner sur des objectifs de performance chiffrés. Ce modèle est incohérent et destructeur. La science est permise par la curiosité, l’émulation et l’éthique intellectuelle. Ce sont donc ces traits humains qu’une organisation rationnelle de la recherche doit tenter de favoriser et d’exploiter.
New physics for the large hadron collider: new minimal models of composite higgs

The discovery of the Higgs boson at CERN marks the beginning of a new era in particle physics. After an impressive forty-year search that has ended making Europe the undisputed leader in particle physics, the finding of the long-sought particle offers us the unique possibility of start testing the origin of the electroweak symmetry breaking. In particular, this means that we could be closer than ever to understand some extremely important unsolved puzzles in particle physics, like the large hierarchy between the electroweak and the Planck scales or the origin of fermion masses. Models of composite Higgs are certainly among the best motivated and attractive scenarios trying to address these issues. They also occupy a prominent place in the forefront of theoretical physics, being the object of study of a large community of particle physicists. In this proposal I present an innovative and compelling scenario within this framework where composite leptons, motivated by minimal implementations of leptons featuring a seesaw mechanism of type-III, can partially or fully replace the usual role of the top quark as a trigger of electroweak symmetry breaking without including any anomalously light partner. The presence of custodial symmetry, customary in realistic incarnations of composite Higgs models, ensures that the required sizable degree of compositeness of the right-handed charged leptons is in complete agreement with electroweak precision measurements. These new scenarios offer a beautiful bridge between flavor, neutrino physics and Higgs physics. Throughout this proposal I develop the main objectives and goals of the research proposed, namely, the precise study of lepton flavor constraints in realistic holographic realizations of these models, the study of their implications on Higgs physics, the possible constraints coming from loop corrections to precision observables, their experimental probes at the LHC as well as the possible relation with Dark Matter.
Proppant backflow: Mechanical and flow considerations

• Measurements of proppant conductivity evolution with analog to field scenarios. • Intermediate scale demonstration of proppant flowback. • Preferential stability for propped fractures orthogonal to open wellbores or perforations. • Demonstration of particle Reynolds’ number concept for assessing proppant pack stability. • Creation of channels (“wormholes”) increases conductivity, until significant backflow occurs. One of the concerns of using proppant in geothermal wells, and particularly in enhanced geothermal systems, is proppant flowback. Particulate proppant maintain post-closure conductivity in hydraulically opened fractures. If that proppant is displaced from the near-wellbore region, either due to overflushing during stimulation or flowback to the wellbore at any time, the reduced fracture width chokes the injection or production. Two intermediate-scale laboratory analogs of a propped hydraulic fracture were prepared, and fluid was flowed through a normally stressed, propped fracture into a central wellbore. The tests were conducted in a polyaxial load frame. Acoustic/microseismic activity was measured during the injection programs. In one scenario—radial flow through a transverse fracture to a wellbore—the results suggest the creation of flow channels and nominally intact propped zones around the channels, maintaining fracture aperture. In the other—linear flow through a longitudinal fracture into a wellbore—there was substantially more proppant removal. The measurements have shown a greater tendency for proppant flowback in a linear flow situation (proppant movement is kinematically more restricted for radial convergent flow). The pressure gradients causing flow are exceedingly small and restraining flowback will be difficult. Convergent flow relationships could be an issue for injector wells, which will experience fluid flowback during hard shutdowns.
Quantifying Water Pollution Sources in a Small Tile-drained Agricultural Watershed

This paper evaluates the quantity and quality dynamics of surface and drainage waters in a small, 7.1 km2 agricultural watershed, located in the crystalline complex of the Czech Republic. Concentrations and monthly solute loads of amonium nitrogen (NH4-N), nitrate nitrogen (NO3-N), phosphate phosphorus (PO4-P) and total phosphorus (Ptot) from ten watershed's subcatchments with different soil, land use and tile drainage characteristics were compared for the period March–October from 2009 to 2011. The results and relevant processes were described using regular monitoring as well as event-based sampling approaches, methods of runoff separation and regression techniques. The average baseflow comprised 35–50%, whereas interflow and overland flow were 50–65% of the total runoff. The highest concentrations of NO3-N were detected in waters originating from cultivated and tiled subcatchments; those of NH4-N, PO4-P and Ptot came from subcatchments containing settlements and water ponds. In the monitored sites within the watershed, non-point pollution sources produced on average 23% of NH4-N, approximately 45% of NO3-N, 24% of PO4-P and about 26% of Ptot of total monthly solute loads. The differences in the share of monitored subcatchments in the total load from non-point pollution sources varied from month to month and were caused mainly by miscellaneous hydrological conditions and natural as well as man-altered runoff characteristics. The obtained results confirmed that used methods count for a useful approach for discerning water pollution sources and their dynamics in small, tile drained watersheds.
Structural cell biology in situ using superresolution microscopy

Supra-molecular protein machineries control diverse cellular processes. Knowing their structural organization is crucial for understanding their function. As classical structural biology techniques are limited in studying such assemblies in their natural cellular environment, there is a critical methodological gap inhibiting a direct link between structure and function. Consequently, the structural intermediates underlying a full activity cycle of a large multi-protein complex have been impossible to visualize. Recent advances in fluorescence microscopy, in particular the development of groundbreaking superresolution microscopy (SRM) methods, can now help bridge this gap. With this interdisciplinary proposal, my group will develop unique and innovative optical, biological and computational imaging technologies to determine the structural organization of multi-protein assemblies in their functional cellular context.
We will reach this goal by developing a method to robustly measure the precise 3D arrangements of proteins in supra-molecular assemblies in situ with nanometer isotropic resolution based on supercritical-angle detection and by measuring their absolute stoichiometries with engineered counting standards. We will also develop new data analysis tools to statistically analyze such data, taking into account the functional cellular context measured with correlative superresolution and electron microscopy, multi-color SRM and molecular biology tools. We will apply these new methods to address key questions on endocytosis, a fundamental membrane trafficking process. Our aim is to determine a time-resolved 3D superresolution localization map of the yeast endocytic proteins during the major functional transitions and to integrate these data into a mechanistic model of endocytosis. Importantly, the methods we develop here can be applied to many other large protein-based machines, and thus have the potential to have high impact in other key areas of cell biology.
Prediction of the Glass Transition Temperatures of Styrenic Copolymers by Using Support Vector Regression Combined with Particle Swarm Optimization

Based on three quantum chemical descriptors (the average polarizability of a molecule (α), the most positive net atomic charge on hydrogen atoms in a molecule (q+ ) and the heat capacity at constant volume (Cv ) derived from the monomers using the density functional theory (DFT), the support vector regression (SVR) approach combined with particle swarm optimization (PSO), is proposed to establish a model for prediction of the glass transition temperature (T g) of random copolymers including poly(styrene-co-acrylamide) (SAAM), poly(styrene-co-acrylic acid) (SAA), poly(styrene-co-acrylonitrile) (SAN), poly(styrene-co-butyl acrylate) (SBA), poly(styrene-co-methyl acrylate) (SMA), poly(styrene-co-ethyl acrylate) (SEA), and poly(acrylonitrile-co-methyl acrylate) (ANMA). The mean absolute error (MAE = 1.6 K), mean absolute percentage error (MAPE = 0.45%), and correlation coefficient (R 2 = 0.9978) calculated by SVR model are superior to those (MAE = 5.47 K, MAPE = 1.51%, and R 2 = 0.9829) achieved by a quantita...
Explosion from a smoldering silo fire

Many organic granular materials are susceptible to selfheating when stored in silos. Under the right environmental conditions self-heating can lead to spontaneous ignition and smoldering combustion. This is a case study of an explosion that occurred in a grain storage silo with a smoldering fire. Although the hazards of combustible dust are relatively well recognized, the explosion hazard presented by a smoldering fire is less well known. There were two explosions in this incident: a primary explosion involving carbon monoxide and smoke generated by the smoldering fire, and a secondary explosion fueled by combustible dust. The explosion caused both injuries to personnel and significant property damage. This article discusses the causal factors for the explosion and the lessons learned for effectively monitoring and responding to a smoldering fire in a silo. The potential explosion hazard of the carbon monoxide and smoke generated by a smoldering fire is emphasized. V C 2013 American Institute of Chemical Engineers Process Saf Prog 33: 94–103, 2014
Free ammonia-based sludge treatment reduces sludge production in the wastewater treatment process

Excessive sludge production is one of the major challenges for biological wastewater treatment plants. This paper reports a new strategy to enhance sludge reduction from the wastewater treatment process. In this strategy, 1/5 of the sludge is withdrawn from the mainstream reactor into a side-stream unit for sludge treatment with 16 mg/L free ammonia (FA) for 24-40 h. The FA-treated sludge mixture is then returned to the mainstream reactor. To demonstrate this concept, two reactors treating synthetic domestic wastewater were operated, with one serving as the experimental reactor and the other as the control. Experimental results showed that the experimental reactor exhibited 20% lower in sludge production than the control. FA treatment effectively disintegrated a portion of extracellular or intracellular substances of sludge cells in the FA treatment unit and lowered the observed sludge yields in the mainstream reactor, which were the main reasons for the sludge reduction. Although FA treatment decreased the activities of nitrifiers, denitrifiers, and polyphosphate accumulating organisms in the FA treatment unit, this strategy did not negatively affect the reactor performance and sludge properties of the experimental reactor such as sludge settleability, organic removal, nitrogen removal and phosphorus removal. Further investigation showed that the organics released from the FA treatment process could be used by PAOs and denitrifiers for carbon sources.
Selvage tensioner for flat knitting machine - with two variably spaced plates with guide rail

Selvage tensioner guides the selvage of a knitted fabric from a point beneath the point of intersection of the needles, to a device for stretching the fabric. The tensioner consists of two plates which are variably spaced apart and >=1 of which has >=1 guide rail for the fabric. The rail defines >=1 vertical channel in which the selvage of the fabric slides. The tensioner is simple, does not obstruct the knitting area of the needles, can easily be adapted to the width of the fabric, can easily be mounted and dismounted on existing fabric stretching devices, is independent of the knitting sequence, allows knitting in a simple system without changing the thread guide, and is readily adjustable according to the gauge and fibre used.
Elastic Nets for Detection of Up-Regulated Genes in Microarrays

DNA analysis by microarrays is a powerful tool that allows replication of the RNA of hundreds of thousands of genes at the same time, generating a large amount of data in multidimensional space that must be analyzed using informatics tools. Various clustering techniques have been applied to analyze the microarrays, but they do not offer a systematic form of analysis. This paper proposes the use of Zinovyev’s Elastic Net in an iterative way to find patterns of up-regulated genes. The new method proposed has been evaluated with up-regulated genes of the Escherichia Coli k12 bacterium and is compared with the Self-Organizing Maps (SOM) technique frequently used in this kind of analysis. The results show that the proposed method finds 87% of the up-regulated genes, compared to 65% of genes found by the SOM. A comparative analysis of Receiver Operating Characteristic with SOM shows that the proposed method is 12% more effective.
PROSPEX Roma excellence DI ROMA RONG KONG — II FINESTRA — OPERATION *

The excellence DI ROMA from RONG KONG (DENOMINOUNEX PROSPEX) OR IN BREAVE ARE (A ROMAN EXPERIENCE) PROJAS TO THE HOLDING THE TERRITORIES OF THE TERRITORIES OF THE TERRITORIES OF THE TERRITORIES OF THE TERRITORIAL TERRITORIES WITH UNICI PRODUCTS, WITH UNOR SUBSTANDING DESIGNATION *, individual * DI FARSI
METHOD FOR AUTOMATIC IMAGING CORRECTION OF A PROJECTOR

The invention relates to a method for automatic imaging correction of a projector (100)for digitized images, wherein the projector (100) comprises a camera (102) for capturing the projected image and wherein the captured projected image is compared with at least one image projected under normal conditions and on the basis of the comparison the projection optics (101) of the projector (100) are modified and/or the projected image is distorted in the projector (100) until the captured projected image is identical with the at least one image captured under normal conditions in the range of a preselected tolerance interval. According to the invention, the method and the corresponding projector permit an automatic imaging correction.
Imprensa e Rádio no Bicentenário da Independência: O Discurso Jornalístico sobre o Rádio como Mídia Educativa e Cultural em Contexto Pandêmico na Bahia

O objetivo do artigo é propor uma investigação descritiva e analítica dos casos de utilização do rádio como mídia educativa no contexto da atual pandemia no estado da Bahia em duas matérias jornalísticas veiculadas pelos jornais O Correio da Bahia e A Tarde. Para isso, acredita-se que é imprescindível apontar a importância da imprensa escrita e do rádio no que se refere à história, memória e identidades que esses veículos suscitam ao atravessarem o Bicentenário da Independência do Brasil, enquanto experiência; a vida do povo brasileiro, e, no caso deste trabalho, especialmente dos baianos. No período pandêmico, surgiram relatos impressos de algumas experiências da utilização do rádio na região nordeste e, neste estudo, duas matérias extraídas dos dois jornais principais da capital baiana são analisadas. Elas suscitaram discussões relevantes acerca dos discursos sobre a efetiva participação do rádio, nos imaginários e identidades culturais e sociais, políticas e econômicas da população. O objetivo geral desse estudo é relacionar imaginários e identidade do bicentenário da Independência, com o surgimento da imprensa no Brasil. Posteriormente como este meio dialoga com o surgimento e papel do rádio no Brasil, observando como se apresentam os discursos que relatam as ações educativas com a utilização do rádio. Metodologicamente, são analisados trechos do discurso em duas matérias de Jornais que tratam da utilização ou reinvenção do rádio neste período pandêmico, sob a ótica de uma abordagem qualitativa, descritiva e analítica. Utiliza-se instrumentos da Análise do Discurso de linha francesa fundamentados pelos estudos que refletem história e memória.
CARACTERIZACIÓN Y DIFERENCIAS ANATÓMICAS DE MADERAS DE Retrophyllum rospigliosii (Pilg.) C.N. Page Y Prumnopitys harmsiana (Pilg.) de Laub. (PODOCARPACEAE) PROCEDENTES DE LA PROVINCIA DE SAN IGNACIO, PERÚ

Las especies Retrophyllum rospigliosii (Pilg.) C. N. Page (Romerillo hembra) y Prumnopitys harmsiana (Pilg.) de Laub. (Romerillo macho) son coníferas nativas del Perú y forman parte importante de los bosques nublados del Departamento de Cajamarca. Sus maderas son solicitadas en el mercado local para obras de carpintería, debido a las propiedades físico mecánicas y buen acabado; sin embargo, información sobre la estructura microscópica es escasa. El presente trabajo tuvo como objetivo caracterizar y determinar las diferencias anatómicas de la madera de las dos especies y así ampliar el conocimiento de sus estructuras. Se obtuvieron muestras por método no destructivo, preparadas y estudiadas mediante la microtomía y maceración; cuya descripción se realizó utilizando la norma del IAWA. La principal característica cualitativa que permite diferenciarlas es la presencia de parénquima difuso en Retrophyllum rospigliosii y ausente en Prumnopitys harmsiana.