Miracle-dz/UniFAR-FTUs huggingface dataset:
Three-dimensional simulations of the interaction between type Ia supernova ejecta and their main sequence companions

Context. The identity of the progenitor systems of Type Ia supernovae (SNe Ia) is still uncertain. In the single-degenerate scenario, the interaction between the supernova blast wave and the outer layers of a main sequence companion star strips off hydrogen-rich material which is then mixed into the ejecta. Strong contamination of the supernova ejecta with stripped material could lead to a conflict with observations of SNe Ia. This constrains the single-degenerate progenitor model. Aims. In this work, our previous simulations based on simplified progenitor donor stars have been updated by adopting more realistic progenitor-system models that result from fully detailed, state-of-the-art binary evolution calculations. Methods. We use Eggleton's stellar evolution code including the optically thick accretion wind model and taking into account the possibility of the effects of accretion disk instabilities to obtain realistic models of companion stars for different progenitor systems. The impact of the supernova blast wave on these companion stars is followed in three-dimensional hydrodynamic simulations employing the smoothed particle hydrodynamics code GADGET3. Results. For a suite of main sequence companions, we find that the mass of the material stripped from the companions range from 0.11 M-circle dot to 0.18 M-circle dot. The kick velocity delivered by the impact is between 51 km s(-1) and 105 km s(-1). We find that the stripped mass and kick velocity depend on the ratio of the orbital separation to the radius of a companion, a(f)/R. They can be fitted in good approximation by a power law for a given companion model. However, we do not find a single power law relation holding for different companion models. This implies that the structure of the companion star is also important for the amount of stripped material. Conclusions. With more realistic companion star models than those employed in previous studies, our simulations show that the hydrogen masses stripped from companions are inconsistent with the best observational limits (<= 0.01 M-circle dot) derived from SN Ia nebular spectra. However, a rigorous forward modeling from the results of impact simulations with radiation transfer is required to reliably predict observable signatures of the stripped hydrogen and to conclusively assess the viability of the considered SN Ia progenitor scenario.
Hierarchical multiresolution models for fast object detection

Dia a dia, la capacitat de detectar i reconeixer objectes en imatges automaticament es fa cada vegada mes important. Des dels sistemes de seguretat i robots, als telefons d'ultima generacio i la realitat augmentada, tot dispositiu intel·ligent necessita coneixer el significat semantic de la imatge. Aquesta tesi aborda el problema de la deteccio rapida d'objectes a partir de models basats en patrons. La cerca d'un objecte en imatges s'implementa evaluant la similitud entre el model i cada ubicacio i escala possibles en una imatge. Aqui s'argumenta que utilitzar una representacio d'objectes basada en una jerarquia de multiples resolucions es una opcio adequada que pot conduir a una excel·lent precisio i un calcul molt rapid. Com, per detectar a multiples escales, la cerca de l'objecte s'efectua de forma implicita a multiples resolucions, el fet d'utilitzar un model en multiples resolucions permet una millor representacio de l'objecte, gairebe sense cost computacional addicional. A mes, un model multiresolucio s'adapta de forma natural a una cerca tambe en multiples resolucions en la imatge, des de baixes a altes. Aixo ens porta a un conjunt d'acceleracions importants, degut a que es poden limitar el conjunt d'ubicacions on fer la cerca de l'objecte a nivells baixos de resolucio, el que comporta un cost mes reduit en l'avaluacio del model. Una cerca jerarquica de baixes a altes resolucions es pot fer utilizant una cascada de classificadors multiresolucio, que elimina facils hipotesis neagatives utilizant la baixa resolucio. %basades en la probabilitat trobada en cada lloc on es fa la deteccio, Un metode alternatiu es basa en seleccionar localment, pero de manera uniforme, les ubicacions de deteccio a resolucio baixa y propagarles fins a la resolucio mes alta. Aquest enfocament alternatiu, que llamem cerca coarse-to-fine, te una acceleracio i rendiments semblants a la cascada de multiples resolucions, pero en un temps de computacio independent del contingut de la imatge. La cerca coarse-to-fine s'ha estes a models deformables amb partes. En aquest enfocament, la jerarquia dels models se separa de forma recursiva en les subparts deformables de l'objecte a mesura que augmentem la resolucio del model. D'aquesta manera, cada part s'ajusta a l'objecte en la imatge, produint una millor representacio i, per tant una millor precisio en la deteccio, juntament amb un temps computacional molt reduit. S'han validat els diferents models de multiresolucio en diverses bases de dades conegudes i d'us comu, mostrant que els resultats arriben a l'estat de l'art, pero amb un cost computacional molt reduit. Finalment, es presenta una especialitzacio d'aquest model multiresolucio deformable per la tasca de deteccio de vianants des de vehicles en moviment, que requereix tant una alta precisio com que el rendiment sigui en temps real. S'ha demostrat que la qualitat global del model proposat es superior als treballs anteriors i que te un grau de deteccio de vianants fiable i rapid utilitzant unicament informacio de la imatge.
Limitation and Difficulty Analysis of Quality Improvement Program Implementation in Urmia Small Industries

According to nowadays competitive environment, quality improvement programs appear to be significant more than ever in order to achieve better production and services, costs reduction, and increasing the performance, quality improvement programs are implemented to increase the production and services quality in small industries, and because of their special features, establishing these programs are facing limitations. A lot of researches conducted either inside or outside the country survived the effective factors on quality improvement programs (inter-organizational and out-organizational factors), that we can refer to management support, training and organizational culture (inter-organizational factor), Society culture, static and dynamic environment, economical statue (out-organizational factors). The present research is aimed to survey the difficulty and quality improvement programs implementation problems in Urmia industrial estates, this study was analyzed on exams and statistical software basis. This research finding approves the relationship between technology, personnel and manager’s attitude, proficiency and economical limitation with quality improvement programs, in other words, technology, personnel and managers attitude toward quality improvement programs are five factors which greatly influence the quality improvement programs establishment and in case of deficiency in these factors, they can be considered as quality improvement program’s implementation barriers.
Variation of PV Array Attributes with and without Considering Shading Effects

Solar energy is the most dominant source of energy which is available on the earth surface in abundance. Solar energy is converted to other forms with the help of photovoltaic technology which makes the use of semiconductor material such as silicon. In this thesis the modeling of P-V array in MATLAB has been conducted in order to observe the effects of partial shading P-V array characteristics. The main problem associated with the use of solar P-V systems is their high cost and low efficiency. Here the design of MPPT technique based on incremental conductance method has been shown to maximize the efficiency of the P-v system. A constant DC voltage is achieved with the help of boost converters . The conversion of this dc voltage to AC has been performed with the help of SVPWM technique and then it has been synchronized with the grid with the help of fuzzy logic and PID controller. In this paper we aim to design and develop simulation of solar panels connected in series integrated with a boost converter and MPPT algorithm taking into account the effects of partial shading.
Earnings volatility and the role of cash flows in the capital markets: Empirical evidence

The recent global financial crisis brought to the forefront of the capital markets the importance of firm fundamentals and especially, the valuation role of cash flows. In this study, we examine the role of earnings and cash flows in two major capital markets, namely, USA and France. We hypothesize that the relationship between cash flows and security returns improves when earnings are transitory and this robustness is country specific. The dataset consists of more than 37,000 USA and French firm-year observations over an eight-year period. Multivariate statistical regression analysis is undertaken to test the major research hypotheses. Results indicate that when earnings are transitory (unstable), investors pay more attention to cash flows and less attention to earnings, a result indicating that investors penalize firms with unstable earnings. In summary, the evidence provided in this study supports that there are substantial differences in the way investors and financial analysts perceive financial information such as earnings and cash flows in France and USA. These results should be of great importance to the major stakeholders such as investors, creditors, financial analysts, especially after the recent global financial crisis and the collapse of giant organizations worldwide.
Parkinsonism Sine Tremor - A Wrong Diagnosis

A 50-year-old woman presented with rigidity of limbs, stooped posture, and mask-like face with monotonous speech. Preliminary clinical diagnosis of Parkinsonism sine (without) tremor was made. However, unresponsiveness of the patient's presenting features to the dopaminergic drug, levodopa, led us to re-examine the initial diagnosis. In particular, darkening of skin and low sodium level pointed to a possible diagnosis of adrenal gland failure. This was later confirmed by estimation of cortisol level (basal) as well as after synacthen injection.
Interactive comment on “Tropical atmospheric circulation response to the G1 sunshade

This manuscript is a valuable contribution to the geoengineering literature, as it provides a detailed assessment of the simulated tropical circulation response to uniform solar dimming in a suite of coupled climate models. The Hadley circulation does not return to preindustrial conditions in a climate with quadrupled carbon dioxide levels and reduced insolation (the G1 experiment). The authors attribute this result to changes in meridional temperature gradients rather than changes in static stability. The Walker circulation, by contrast, is largely restored to its preindustrial state in G1. The Introduction section effectively describes the many motivations for the study.
ENHANCING SCIENCE TEACHERS’ CONTINUOUS PROFESSIONAL DEVELOPMENT IN THE FIELD OF INQUIRY BASED SCIENCE EDUCATION

Decreasing motivation in science classes is often reported in many countries. Georgia, one of the post Soviet countries, has overcome the highly centralised educational system and nowadays implements a new national educational reform. National reforms demand more student-active and inquiry-based learning. Many Georgian teachers aren’t ready for these changes and need professional development training to enhance their professional skills in Inquiry-Based Science Education (IBSE). Therefore Ilia State University offers special continuous professional development (CPD) programs for science teachers in the frame of PROFILES project. The aim of the research was to determine what profession oriented attitudes and concerns Georgian in-service science teachers have regarding IBSE and what changes are visible after the implementation of PROFILES-based CPD programme. In order to conduct the research, the Stages of Concern model was used. 40 teachers took part in the two terms of the CPD programme. Research shows that the implemented CPD programme fosters the professional attitudes and concerns of Georgian science teachers in a positive manner. Therefore, it can be highly recommended to use the framework of the PROFILES-based CPD programme(s). Key words: IBSE, in-service teachers in Georgia, professional development, stages of concern.
Prevalence and Susceptibility Analysis of Carbapenem Resistant Gram Negative Pathogens in Tertiary Care Hospital, Mumbai

Background and objective: Antibiotic resistance has risen perilously in all parts of the world. The lack of appropriate therapeutics to encounter resistant pathogens has enhanced the urge for the development of either new antibiotics or adjuvant therapy with antibiotics. Thus, we aimed to study a comparative antibiogram pattern of 102 clinical isolates towards Elores (a novel antibiotic and adjutant entity of ceftriaxone, sulbactam and disodium edetate) and other antibiotics (colistin, piperacillin/tazobactam, tigecycline, cefoperazone+sulbactam and cefepime+tazobactam). Methods: The clinical samples collected from infective patients admitted to Tertiary care Hospital, Mumbai (India) between June 2016 to December 2016 was further subjected to bacterial identification. Antibiotic susceptibility testing was executed in accordance with the recommendations of Clinical Laboratory Standards Institute (CLSI) guidelines. All isolates included in this study were resistant to carbapenems. Results: Out of 4212 collected samples, carbapenem resistant isolates were recovered from 102 clinical samples in which urine samples contributed 51.96% followed by sputum and tracheal secretion which added 8.82% each while rest of the clinical specimen contributed 30.4%. Klebsiella pneumoniae (61.76%) was most predominant among all the resistant clinical isolates followed by Escherichia coli (18.63%), Acinetobacter baumannii (14.71%), Serratia marcescens (2.94%) and Enterobacter cloacae (1.96%). These 102 clinical isolates which were found resistant towards imipenem and meropenem were included in this study and further processed for antimicrobial susceptibility analysis with respect to other antibiotics. Data suggested, the antibiogram profile of Elores was extremely higher (100% susceptible) towards clinical pathogens over rest of the antibiotics such as piperacillin/tazobactam (0-6.7%), cefoperazone+sulbactam (0-20%), cefepime+tazobactam (0-33.3%) and tigecycline (34.7-100%) but it was found comparable to colistin (87.3-100%) except S. marcescens which shows inherent resistance to colistin. Conclusion: Susceptibility profile data revealed the equivalence of Elores (Antibiotic-adjuvant entity; AAE) with colistin and strong superiority over other antibiotics including β-lactam and β-lactamase inhibitors combination (BL-BLI) and protein synthesis inhibitors. Hence, Elores can be treated as a most efficient treatment option towards infections caused by carbapenem resistant pathogens.
Functional and phylogenetic assembly in a Chinese tropical tree community across size classes, spatial scales and habitats

Summary 1. Increasingly, ecologists are using functional and phylogenetic approaches to quantify the relative importance of stochastic, abiotic filtering and biotic filtering processes shaping the pattern of species co-occurrence. A remaining challenge in functional and phylogenetic analyses of tropical tree communities is to successfully integrate the functional and phylogenetic structure of tree communities across spatial and size scales and habitats in a single analysis. 2. We analysed the functional and phylogenetic structure of tree assemblages in a 20-ha tropical forest dynamics plot in south-west China. Because the influence of biotic interactions may become more apparent as cohorts age, on local scales, and in resource-rich environments, we perform our analyses across three size classes, six spatial scales and six distinct habitat types, using 10 plant functional traits and a molecular phylogeny for the >400 tree taxa found in the plot. 3. All traits, except leaf area and stem-specific resistance, had significant, albeit weak phylogenetic signal. For canopy species, phylogenetic clustering in small and medium size classes turned to phylogenetic overdispersion in the largest size class and this change in dispersion with size was found in each habitat type and across all spatial scales. On fine spatial scales, functional dispersion changed from clustering to overdispersion with increasing size classes. However, on larger spatial scales assemblages were functionally clustered for all size classes and habitats. 4. Phylogenetic and functional structure across spatial and size scales and habitats gave strong support for a deterministic model of species co-occurrence rather than for a neutral model. The results also support the hypothesis that abiotic determinism is more important at larger scales, while biotic determinism is more important on smaller scales within habitats.
Immersion in Persuasive Gaming A qualitative investigation about immersive experiences and their role in persuasion from players' perspectives

Persuasive video gaming is perceived as a potentially powerful way to change attitudes and knowledge of players and to possibly induce social change. This assumption stems from the interactive nature of video games as well as the wide-reaching popularity of the medium. Yet, there still exists a lack of empirical research about the actual effectiveness of persuasive gaming. Former research found that immersion into interactive media environments heightens players’ susceptibility to persuasion of messages embedded within the game world. The main theoretical framework of the present study derives from previous studies about transportation into narratives and immersion in entertainment gaming, which understand immersion as a multidimensional experience. To contribute to fill the gap in literature about the effectiveness of persuasive gaming, this thesis aims to uncover how players experience immersion in persuasive gaming and how these experiences influence players’ susceptibility to persuasion of messages embedded within the game world. The present study presents empirical findings of player experiences of My Life as a Refugee, developed by the United Nations High Commissioner for Refugees (UNHCR), and PeaceMaker, developed by ImpactGames. All research participants played both persuasive games and were interviewed in-depth about their playing experiences via semi-structured interviews. The results indicate that players mainly experienced immersion in the narrative, ludic, affective, and spatial dimensions, as well as various barriers to immersion. Perceived realism and depth of the gaming environment played important roles in the immersive experiences. Further, it emerged that if players felt immersed in several dimensions and felt like experiencing the game’s events first-hand, this heightened their susceptibility to persuasion within the gaming environment. Identification with the game’s character intensified that effect. The thesis concludes with discussing the theoretical implications of the findings and the implications for game developers.
A Note on Information and the Cost of Capital in a Mean-Variance E¢ cient Market

Before informationarrives, it must be logically uncertain whether the stock price conditioned onwill be higher or lower than the current price. Any other inequality presents an obvious arbitrage opportunity. By assuming this minimal condition of e¢ cient markets, it is shown under the mean-variance CAPM that information which makes the future value of a …rm more certain, in the sense that its perceived covariance with the market is reduced towards zero, can lead to a higher expected return on that asset. A further connotation is that it is theoretically possible that the required return on the stock will necessarily fall after observing signal �, or (in other circumstances) that it will necessarily rise. In general, information that allows better discrimination between …rms leads some …rms to have higher costs of capital and other …rms to have lower costs of capital. Less obviously, better discrimination between …rms can induce a higher average cost of capital across the market.
The Building of Gender Identity From the Resilience Concepts

The study focuses on the construction of the identity of women participating in a productive program in the Mexicali Valley in Baja California State, Mexico, in situations of violence, from the processes and contents of the resilience approach. Manifest feminine gender as anchor a narrative between their individual identity and social identities intergeneric culture is created and accumulated from codes of gender, to be recursively taught in socialization; derived from them, develop processes of inclusion/exclusion, so that memory is the result of the historical relations of power. However, we noted that the power to deal with problematic or adverse situations responds to different ways that lead to having different styles of coping. From resilience capacity to deal with situations of aggression (psychological, economic, or physical), it gives meaning, valuation, and resignification to experience in the past, from this, it is that it retrieves your identity empowerment, motivational and entrepreneur in the productive area.
Recent advances in anaesthesia for pulmonary endarterectomy

Chronic thromboembolic pulmonary hypertension (CTEPH) is a form of pulmonary hypertension (PH) that is rapidly gaining importance. The disease is associated with acute or recurrent pulmonary thromboembolism leading to chronic vascular obliteration. The result is increased pulmonary vascular resistance, the development of PH and progressive right heart failure. There have been significant advances in the diagnosis and treatment of this debilitating condition. Therapeutic options include medical therapy, lung transplantation and pulmonary endarterectomy (PEA). By the removal of obstructive material from the pulmonary arterial system, PEA improves functional status and survival for patients with CTEPH. The procedure is now considered the treatment of choice for this condition and recently there has been an expansion in the number of centres performing PEA. Success depends on a high volume of cases and a coordinated multidisciplinary team comprising physicians, radiologists, surgeons, anaesthetists and intensivists.