Atmosphere - Science topic

The importance of sustainability in higher education quality assurance procedures is examined in this chapter which also highlights the necessity of tactics that promote ongoing development. It talks about how important it is to set up flexible robust quality procedures that can change to meet shifting educational demands in addition to meeting imm...

The study aims to macleling the variation in the concentrations of lead in the atmospheric precipitation in Anbar Governorate and what are the factors affecting it. An analysis of variance was studied for the concentrations of nickel in the atmospheric precipitation in Anbar Governorate between one location and another in the years 2021-2022. And t...

This Chapter presents the results from the Case Study on the Dynamic Stability (DS), introduced as a flying quality. The variety of different rules for DS is discussed, with a discussion on the implications for handling qualities and pilot workload. Credibility of extrapolation of the findings to different flight conditions is presented and a new f...

“An essential quality of a good research atmosphere is to be able to question any result or hypothesis… The best advice I have ever been given is to not take grant rejections personal…” Find out more about Robert Luxenhofer in his Introducing… Profile. image

Models predict that more than half of all impacting meteoroids should be carbonaceous, reflecting the abundance of carbon-rich asteroids in the main belt and near-Earth space. Yet carbonaceous chondrites represent only about 4% of meteorites recovered worldwide. Here we analyse 7,982 meteoroid impacts and 540 potential meteorite falls from 19 globa...

Este documento resume os principais assuntos tratados pelo autor por ocasião da palestra, por ele proferida, sobre o tema “FATORES E MECANISMOS DAS MUDANÇAS CLIMÁTICAS NA ATMOSFERA TERRESTRE” , NO VIII SEMINÁRIO REGIONAL DE FORMAÇÃO PROFISSIONAL EM MEIO AMBIENTE E RECURSOS HÍDRICOS, promovido pelo curso de Mestrado Profissional em Ensino de Ciência...

El metaverso ha revolucionado la industria de la moda al permitir que las marcas interactúen con los consumidores a través de tiendas virtuales inmersivas. Estos entornos virtuales ofrecen experiencias innovadoras e interactivas, lo que permite a las empresas textiles conectarse con sus audiencias de una manera novedosa. Este estudio realiza un aná...

The detection of atmospheric muons using dielectric sensors provides an accessible and efficient approach to study high-energy particles produced by cosmic rays.

Chemical and Photochemical reactions in the atmosphere

Amplitude modulations of an aerodynamic sound by sound source movement or convection is investigated experimentally. The directivities of an aeolian tone sound radiated from a cylinder fixed in a wind tunnel were measured with horizontally aligned microphones outside the flow as a simplified dipole component of aerodynamic sound generated by pressu...

Women’s political empowerment is increasingly recognized as critical to countries with low levels, such as Saudi Arabia. Recently becoming aware of the need for women’s political empowerment, Saudi Arabia has enabled the participation of women as voters and candidates for the first time in municipal councils since 2015. And whereas the political em...

This paper presents a limited-area atmospheric simulation of a tropical cyclone accelerated using GPUs. The OpenACC directive-based programming model is used to port the atmospheric model to the GPU. The GPU implementation of the main functions and kernels is discussed. The GPU-accelerated code produces high-fidelity simulations of a realistic trop...

El desarrollo de las competencias socio-emocionales es crucial para el éxito académico y el bienestar de los estudiantes. Este artículo propone un marco integral para mejorar estas habilidades en la Escuela Marco Fidel Suárez en Ciénaga de Oro, basado en los datos de la tesis “Desarrollo de competencias socio emocionales como factor de éxito académ...

Cloud feedback has prevailed as a leading source of uncertainty in climate model projections under increasing atmospheric carbon dioxide. Cloud‐controlling factor (CCF) analysis is an approach used to observationally constrain cloud feedback, and subsequently the climate sensitivity. Although high clouds contribute significantly toward uncertainty,...

We propose a new method for investigating atmospheric inhomogeneities in exoplanets through transmission spectroscopy. Our approach links chromatic variations in conventional transit model parameters—central transit time, total and full durations, and transit depth—to atmospheric asymmetries. By separately analyzing atmospheric asymmetries during i...

Sulfenic acids are involved in major chemical processes occurring in the atmosphere, in food chemistry and in biological systems. In these diverse environments, oxidation reactions caused by reactive oxygen species,...

The pursuit of happiness is an individual’s goal in life, and an individual’s fulfillment in life, work, and psychology are essential dimensions of happiness. Emotional intelligence and work-family climate are important factors affecting individual happiness, but the mechanism of their influence on happiness is not well defined. This paper conducte...

Transport properties for collisions between oxygen atoms and hydrogen atoms are important for studying planetary atmospheres and various plasma applications, and transport coefficients can be expressed as a linear combination of collision integrals. In this study, we use high-level ab initio methods to calculate potential energy curves (PECs) of OH...

This study provides novel information about the flow and deposition dynamics of GSR in the environment and on a shooter, bystander, or passerby, which will lead to greater confidence in evidence interpretation.

“The most rewarding part of my job is getting people excited about science… An essential quality of a good research atmosphere is allowing creative thinking, and snacks…” Find out more about Sarah Guerin in her Introducing… Profile. image

The oxygen exchange kinetics of BaGd0.3La0.7Co2O6−δ (BGLC37) were investigated with pulsed isotope exchange (PIE) measurements in dry and humid atmospheres in the temperature range 400–600°C in 0.005-0.21 bar O2. Synchrotron...

The building wall-mounted photovoltaic (WPV) panels are susceptible to wind. For these small-sized structures, it is challenging to adequately generate low-frequency incident turbulence in a typical boundary-layer wind tunnel. To investigate the effects of low-frequency incident turbulence on wind pressure and flow of building WPV panels, the large...

The theoretical security of continuous variable quantum key distribution (CV-QKD ) has been proved. However the gap between the theoretical model and the practical model can lead to the threat of the actual security of CV-QKD system in practice. An eavesdropper can use the imperfection of the homodyne detector to perform the saturation attacks. She...

Durante más de medio siglo la UAM-X nos proporcionó a los académicos un clima de absoluto respeto laboral, autonomía intelectual, rigor cognoscitivo, razonamiento científico, amplia infraestructura informativa y pluralidad ideológica para examinar los fenómenos de la comunicación colectiva en el país y otras partes del mundo, a través de distintas...

We use atmospheric profiles from ERA5, JRA55, and MERRA2 between 1993 and 2023 to estimate Earth's global clear‐sky longwave feedback strength on the seasonal and interannual timescale. Differences in the relationship of relative humidity with skin temperature prior to 2008 lead to interannual feedback strengths between 1.34 Wm⁻² K⁻¹ (JRA55) and 1....

In this paper, we investigate steady uniform atmospheric Ekman flows in ellipsoidal coordinates. Different from homogeneous system, we retain the influence of pressure on steady uniform atmospheric Ekman flows and establish the non-homogeneous governing equations. These governing equations can also be used to derive the classical equations for geos...

The creation of quaternary carbon centers has been a formidable challenge in organic synthesis due to steric impediments, especially for the polyaryl substituted quaternary carbon centers. Up to now, a few of methods were reported for achieving the α‐arylation of 3‐aryloxindoles to construct 3,3‐diaryloxindoles. We now asserted the TfOH‐catalyzed c...

Case I - feedback analyse: Gezien de periode van 1750 tot 1850 de CO2-concentratie in 1750 was ongeveer 275 ppm en in 1850 ongeveer 284,7 ppm. De temperatuur in 1750 wordt echter geschat op ongeveer 0,5-1,1 °C hoger dan in 1850. De temperatuur daalde van 1750 tot 1850, en het CO2-niveau nam monotoon van ongeveer 275 ppm in 1750 tot ongeveer 284,7 p...

Em um sertão assolado pela cólera, o narrador de “Praga” (1890), de Coelho Neto, apresenta a história de Raimundo, um vaqueiro que, após contrair a doença referida e ser deixado aos cuidados de uma bruxa, será assombrado pelo fantasma de sua mãe, vítima de matricídio. Dito isso, o presente trabalho tem como objetivo identiÞcar as marcas insólitas d...

We investigate the mass superposition of Bañados-Teitelboim-Zanelli (BTZ) black holes using the velocity correlation function. Interestingly, the quantum signatures of BTZ black hole mass superposition can be revealed by the velocity correlation peaks. Additionally, different mass superpositions for the same mass ratio can be distinguished, a pheno...

Potential of Agroforestry towards greening the globe by capturing carbon from atmosphere

We resolve mangrove nitrous oxide (N2O), methane (CH4), and carbon dioxide (CO2) vertical exchange with the atmosphere and lateral exchange with the ocean. Our new observations in Brazil were combined with literature data to reassess the overall mangrove carbon sequestration potential. The pristine mangrove creek was a source of CO2 and CH4, and a...

Neste trabalho é apresentado um modelo simples da evolução do nível de CO2 na atmosfera terrestre. Usando dados disponíveis das emissões de CO2 devidas a atividade humana e considerando uma estocagem do carbono por mecanismos agindo na biosfera, o tempo médio de residência do CO2 na atmosfera foi estimado em 120 anos. Supondo que a tendência observ...

An analytical cancellation nanoflare model has recently been established to show the fundamental role that ubiquitous small-scale cancellation nanoflares play in solar atmospheric heating. Although this model is well-supported by simulations, observational evidence is needed to deepen our understanding of cancellation nanoflares. We present observa...

Unimolecular H-shift and endoperoxide ring formation reactions were studied for several different acyl peroxy radicals (APRs) using quantum-mechanical methods. Also, for structures with slow unimolecular reactions, accretion reactions with isoprene were investigated. The goal of the study was to determine which APRs could work as atmospheric oxidan...

Este artículo aborda la problemática surgida en la zona fronteriza del Bidasoa cuando, en verano de 2018, en una geografía carente de controles como consecuencia de la implantación del espacio Schengen, se establece un cierre efectivo de la frontera para las personas migrantes que se trasladan hacia Francia. Desde ese momento, asistimos a un contex...

Tailings Storage Facilities (TSFs) are essential for managing mining waste, exhibiting significant variations in their properties due to the hydraulic filling method, Interactions with the atmosphere, and material position within deposit. This short review analyze various zonation models and presents a comprehensive model identifying four distinct...

We describe environmental gamma spectrometry data for >700 soil samples collected from >35 high-resolution quantitative soil profiles spanning global sites. The data are collected for the purpose of modern soil chronometry based on fallout radionuclides (FRNs) 7Be and 210Pb, using the Linked Radionuclide Accumulation model (LRC). Cumulative gamma c...

In winter, the northwestern Pacific (NWP) is affected by two atmospheric intraseasonal oscillations (ISOs), the Madden–Julian oscillation (MJO) and the quasi-biweekly oscillation (QBWO). Using observational data and global reanalysis products, the present study investigates the impact of ISOs on the rapid intensification (RI) of tropical cyclones (...

Zusammenfassung Kleine Skigebiete spielen eine zentrale Rolle im alpinen Raum, indem sie Arbeitsplätze schaffen, regionale Kultur fördern und sozial nachhaltige Strukturen stärken. Obwohl sie durch den Klimawandel, wirtschaftlichen Druck und steigende Konkurrenz bedroht sind, bieten sie spezifische Vorteile wie Authentizität, niedrigere Preise und...

Small-scale gravity waves play a crucial role in atmospheric tracer transport, yet their effects remain unresolved in climate models and must be parameterized. This study investigates how gravity waves influence large-scale tracer distributions, utilizing a multiple-scale analysis to systematically identify the governing terms of gravity wave-induc...

The transformations of the Earth’s atmosphere have always been conditioned by cosmic-astronomical factors and natural “life processes of the Earth.” Human pressure has been increasing for several thousand years, but only in the last three centuries has anthropopressure reached a global scale, modifying the state of the atmosphere. The rhythm of ene...

To address the issue of photon counting rate saturation distortion caused by the photon pulse stacking effect in the photomultiplier tube (PMT) output of atmospheric LiDAR systems, a photon counting method for LiDAR echo signals based on waveform decomposition is proposed. This method simulates the single-photon pulse response waveform of the PMT a...

Esse estudo descreve a evolução da modelagem numérica da atmosfera, começando com as ideias iniciais de Vilhelm Bjerknes e Lewis Fry Richardson no início do século XX, seguido dos avanços decorrentes dos trabalhos de Carl Gustav Rossby e da introdução do primeiro computador eletrônico, ENIAC, pelo grupo de Jule Charney. A revisão alcança a era da m...

This study attempted to determine temperature changes in southern Poland due to changes in the thermal characteristics of individual air masses. For this purpose, the daily air temperature values at the Kraków-Balice synoptic station were used, as well as the types of atmospheric circulation and air masses for southern Poland from the daily Calenda...

Story-based teaching has always succeeded in retaining researchers’ attention and interests. The sphere of the story-based teaching has always been a source of curiosity for researchers. It transcends the limits, deriving from traditional teaching methods and provides learners imaginary atmospheres to support their learning journey. It gets learner...

Nitrogen-Fixing Bacteria: The Key to Sustainable Agriculture: Nitrogen-fixing bacteria (NFB) play a crucial role in sustainable agriculture by converting atmospheric nitrogen into plant-available forms. This process is vital for agricultural production as it reduces dependence on synthetic nitrogen fertilizers, lowering production costs and environ...

In this study, we conduct a comparative analysis of observations carried out on the exoplanet HAT-P-25b at the Sharjah Astronomical Observatory (SAO). We have employed two distinct filters, namely, the Luminoso ( $$L$$ L ) and Visual ( $$V$$ V ) filters. Our research conducted aims to discern any variations in transit depth or exoplanet size result...

The spatiotemporal distribution of the annual average of atmospheric CO column densities based on TROPOMI data from the Sentinel-5P satellite over the Crimean Peninsula and the Black Sea for 2019—2024 was analyzed. The average annual value over the Crimean Peninsula was (3.2―3.6)·10–2 mol/m2, while over the surface of the Black Sea, it was (3.0―3.7...

To constrain the universe before recombination (380000 years after the Big Bang), we mostly rely on the measurements of the primordial abundances that indicate the first insight into the thermal history of the universe. The first production of light elements is obtained by the Big Bang Nucleosynthesis (BBN). The production of the elements D, ³ He,...

Desde nuestros primeros vistazos, al nacer, nos vemos inmersos en un mundo construido que cambia ante nuestros ojos a lo largo de nuestra existencia. La arquitectura y el ambiente natural que nos rodea no se mantienen estáticos, sino que se vuelven efímeros ante nuestra creciente percepción. Los espacios se vuelven singulares a través de nuestras p...

Launched in 2003, the European Space Agency’s Mars Express (MEX) has been orbiting Mars for 20 years and its instruments have performed continuous monitoring of the conditions in the Martian atmosphere, providing one of the most complete datasets of atmospheric parameters ever collected for Mars. This article provides an overview of the observation...

We investigate the reconstruction of the transmission matrix of a time-evolving atmospheric channel with an online recursive optimization routine, using wave-optics simulations. We demonstrate that this estimation technique is able to keep up with the evolution of the channel and enables a significant improvement of communication-relevant quantitie...

El fuego juega un papel dominante en la deforestación, particularmente en varias regiones de México. Este fenómeno representa un gran problema en la pérdida de la biodiversidad, en la emisión de los gases de efecto invernadero, entre otros. Entre sus causas, se atribuye principalmente por las actividades humanas, así como influenciadas por agentes...

This study explores the factors affecting the variability in second language (L2) learning motivation among Korean university students and how they appraise their L2 learning experience. In this study, 85 undergraduate students majoring in English or English education from three universities in Seoul, South Korea, reflected on their past English le...

Teachers represent important pragmatic models for their students (Barón, et al., 2020). While teacher talk has been viewed as providing learners with a limited variety of pragmatic language (e.g., Nikula, 2002), there has also been evidence that it can be pragmatically attuned to the learners’ needs (Martí, Portolés, 2019). The present study is an...

La presente investigación examina la conversación en X/Twitter que se generó durante los cinco días de reflexión de Pedro Sánchez. Concretamente, este estudio analiza el debate que surgió sobre la desinformación a raíz de la carta publicada (en X/Twitter) por el presidente del gobierno de España y si los posts fueron catalizadores para la profusión...

Expansive soil due to wet expansion and dry contraction of engineering properties, resulting in the stability of the riffle slope, has been one of the key issues in the expansion of soil area earthworks; this paper, through the three representative riffle slope site field visits and indoor tests, respectively, from the dry bulk weight, unconfined c...

The work of cutting lightweight bricks manually with the help of cutting tools still leaves problems. Unnatural working postures are a form of problems faced by workers. This causes musculoskeletal complaints that have an impact on comfort at work. To overcome this, a redesign of the lightweight brick-cutting tool was carried out using worker anthr...

The paper is a research and analysis of various aspects of carbon emission and global warming and various methods used to mitigate carbon di oxide levels in atmosphere that have serious implications now as sage limits are already crossed. Key words: carbon Footprint; carbon emissions, global warming, carbon emission in India, carbon trading

Stephan Weber (*1974) is Professor of Climatology and Environmental Meteorology at the Technische Universität Braunschweig, Institute of Geoecology. He studied physical geography and climatology at the Ruhr University Bochum. In 2004, he finished his Ph.D. in urban climate research at the University of Duisburg-Essen, where he continued working as...

Daytime thermospheric responses to the 2018 sudden stratospheric warming (SSW) are investigated in this study. The method proposed by Li et al. (2023), https://doi.org/10.1029/2022ja030988 for deriving exospheric temperature (Tex) from electron density (Ne) profiles was employed. Reliability of this method was verified through comparisons with obse...

Desde tiempos remotos, la humanidad se ha preocupado por la contaminación del aire que respiramos, por las molestias y daños que ocasiona a nuestra salud. Una de las primeras citas sobre el tema corresponde a Maimónides (Moshé Ben Maimón, médico sefardí cordobés, 1135·1204) quien escribió: Comparar el aire de ciudades con el aire de los desiertos y...

O artigo explora a ideia da escuta do lofi hip hop para aumento da produtividade, a partir do canal Lofi Girl no YouTube. A hipótese central é que, embora o canal promova uma atmosfera agradável, ele reforça ideais da alta performance e da temporalidade 24/7, tornando-se uma ferramenta de aprimoramento do “biocapital” dos ouvintes, auxiliando-os a...

The Kuroshio south of Japan exhibits bimodal variations between large meander (LM) and non-LM paths. The Kuroshio LM drastically changes the distribution of currents and water temperature in the surface and subsurface layers, affecting atmospheric conditions, marine ecosystems, and fisheries resources. The most recent Kuroshio LM event occurred in...

This study analyzes the influence of product quality, price, location, and store atmosphere on customer repurchase intention at Warga Lokal Cafe, Semarang. Repurchase intention is crucial in the highly competitive coffee shop industry. Using a quantitative method, this study distributed questionnaires to 115 respondents who had made at least two pu...

This research focuses on exploring the specific application path of emotional design in optimizing user experience in Hakka Museum. Through the in-depth analysis of the unique connotation of Hakka culture, the key significance of emotional design in the museum environment is expounded. From multiple dimensions such as exhibit display, space atmosph...

Between 2005 and 2015, the BL Lacertae object PG 1553+113 exhibited multiple very high-energy (VHE; > 100 GeV) gamma-ray flares, which were detected by the Cherenkov telescopes, High Energy Stereoscopic System (HESS), Major Atmospheric Gamma Imaging Cherenkov (MAGIC), and the Very Energetic Radiation Imaging Telescope Array System (VERITAS). Despit...

This study focuses on the color design of children's picture books with marine themes from the perspective of reading. It comprehensively employs theoretical research methods, color analysis methods, and case analysis methods to conduct the discussion. The research finds that color design is of vital importance in children's picture books. Children...

The sub-Neptune GJ 1214b has an infamously flat transmission spectrum, likely due to thick aerosols in its atmosphere. A recent JWST MIRI spectroscopic phase curve of GJ 1214 b added to this picture, suggesting a highly reflective and metal-rich atmosphere. Using a 3D General Circulation Model with both photochemical hazes and condensate clouds, we...

Desde o período neolítico onde deu-se o início de agrupamento de pessoas e a criação de povoados até a atualidade com a urbanização, nota-se que a escolha do local para instalação de novos bairros ou cidades leva em consideração vários critérios, por exemplo, a facilidade de acesso a insumos de uso recorrente. A partir dessa máxima é esperado haver...

Accurate and comprehensive thermodynamic data are essential for the development of environmentally friendly and efficient vanadium extraction technologies. However, there is a significant lack of thermodynamic data for vanadium-containing systems in the current thermodynamic databases. In this study, the isotherm phase diagram of the TiO2–Fe2O3–V2O...

Soil temperature (Ts) is crucial for land use and soil management. It has gained importance in climate change research as it reflects the interactions between the atmosphere and biosphere. This study evaluates Ts changes at depths of 5, 10, 20, 50, and 100 cm in the western part of the Southeastern Anatolia Project (W-SAP) region of Türkiye, which...

This research evaluates the application of the Game-Based Learning model in increasing student participation in Fiqh learning at Madrasah Ibtidaiyah Al-Islamiyah, Indramayu. Using the Classroom Action Research (PTK) method with two cycles, this research involves planning, implementation, observation and reflection. Data was collected through partic...

Cílem práce je prozkoumat školní zkušenost žáků s mimořádným intelektovým nadáním na druhém stupni běžných, co možná inkluzivních škol. Je koncipována jako případová studie s využitím prostého záměrného výběru, polostrukturovaného interview a interpretativní fenomenologické analýzy (IPA). Vzorek tvoří šest účastníků ve věku 11-14 let, čtyři chlapci...

Sand ripples record interactions between planetary surfaces and environmental flows, providing paleoenvironmental archives when preserved into rocks. Two main ripple types form in sand: drag ripples, common in water, and impact ripples, exclusive to windblown surfaces. Enigmatic meter-scale aeolian ripples on Mars have been assumed to be impact rip...

Keputusan pembelian merupakan proses pengambilan keputusan yang dilakukan oleh konsumen dalam membeli produk untuk memenuhi kebutuhannya. Banyak faktor yang mempengaruhi konsumen di era globalisasi dalam hal keputusan pembelian, diantaranya adalah store atmosphere, customer experience dan utilitarian value. Kedai istana kopi Ubud merupakan salah sa...

The article investigates the nature and peculiarities of humorous discourse in Kazakh, Russian and English linguocultures. The purpose of the study is to identify the key features and specifics of humorous discourse through the analysis of jokes in Kazakh, Russian and English. The study of discourse within the framework of the anthropocentric parad...

La película "La Hora Fría" es una producción española de terror y ciencia ficción realizada con un presupuesto reducido y estrenada en el año 2007, cuando empezaba la transición hacia la digitalización total del cine. A pesar de ello, los efectos visuales utilizados en la película son de gran calidad y contribuyen a crear una atmósfera de tensión y...

This work discusses the role of diffusive enthalpy transport in relation to the origin of thermodiffusive instability and the resulting enhanced reactivity. Thermodiffusive effects in premixed hydrogen flames are typically explained and modelled via local equivalence ratio fluctuations. However, it is reiterated here that the imbalance between spec...

This study discusses the development of animation-based learning videos on the material of the proclamation of independence events to increase students' interest in learning history in class XI IPS at As-Shofa Islamic High School. This study aims to determine how the process of developing animation-based learning videos on the material of the procl...

Context. Various element transport processes modify the photospheric chemical composition of low-mass stars during their evolution. The most prominent one is the first dredge-up that occurs at the beginning of the red giant branch. Then, various extra-mixing processes, such as those caused by thermohaline- and/or rotation-induced mixing, come into...

This thesis explores the hypothesis that undisrupted planetary "leylines"-hypothetical geoelectric or geomagnetic conduits-can be harnessed for large-scale environmental manipulation, offering a low-tech pathway for terraforming. By analyzing Earth's telluric currents, piezoelectric crustal behaviors, and geomagnetic anomalies, we propose that Mars...

Titan’s dense atmosphere, composed mainly of methane and nitrogen, sustains a methane cycle that shapes its surface, like water on Earth. Methane precipitations erodes Titan’s surface, carving river networks at all latitudes, as revealed by the Cassini-Huygens mission. On Earth, it is well established that laboratory and natural rivers exhibit a po...

This paper advances an analytic philosophical approach to atmospheres. We start by outlining three core characteristics of atmospheres: holism (an atmosphere is a holistic entity that emerges through the combinations of various aspects of the environment), affectivity (atmospheres are grasped corporeally and affectively), and quasi-objectivity (atm...

A method for expanding the observational capabilities of diode-laser-based atmospheric lidar is discussed. A straightforward test, consisting of interleaved "long'' and "short'' laser pulses, was developed to demonstrate how shot-to-shot modification of laser pulse characteristics can enhance the performance of low-power, diode-laser-based lidar an...

"Imagine a teia intrincada de conexões de 'Sense8', a atmosfera gótica e os mistérios sombrios de 'Wandinha', e os perigos sobrenaturais e segredos obscuros de 'Stranger Things'. Agora, mergulhe em um universo invisível, mas tão poderoso quanto o Mundo Invertido: o sistema imune humano. Em Conexão Imune, acompanhamos personagens cativantes, inspira...

The concept of counting is an important basic concept to learn for early childhood as a form of effort in the development of cognitive abilities. However, there are still children who are reluctant or have difficulty in understanding the concept of counting or simple operations because of the perception of a scary counting concept that is dominated...

A fundamental understanding of MnO reduction is important to ensure optimal conditions to produce ferromanganese alloys. In this study, MnO reduction at 1550 $$^{\circ }$$C was studied using synthetic slags and ores of varying basicity in a CO-Ar atmosphere. The synthetic slags were of 0.6, 0.8, and 1 basicities. The basicity of Comilog ore was adj...