Miracle-dz/UniFAR-FTUs huggingface dataset:
Nutrient status of composted and vermicomposted kitchen wastes

Composting and vermicomposting are processes of production of ordinary compost and vermicompost through biodegradation of organic wastes by microorganisms and earth worm respectively. Both play a significance role within a given ecosystem. The objective of this study was to evaluate the nutrient status of composting and vermicomposting kitchen wastes. The study was conducted and samples data were collected in Jimma University, College of Agriculture and Veterinary Medicine. The composted and vermicomposted kitchen wastes were prepared following laboratory procedures and analyzed at Jimma University Soil Laboratory. The analysis results were pH (7.4%), Organic Carbon (3.71%), Available Phosphorus (12.35ppm), Total Nitrogen (0.60%)and Carbon Nitrogen Ratio (20.58) in compost while pH (7.23%), Organic Carbon(8.5%), Available Phosphorus(20.15ppm), Total Nitrogen (1.70%) and Carbon Nitrogen Ratio (11.56) were obtained in vermicompost kitchen waste. Vermicomposting had higher Organic Carbon, Available Phosphorus and Total Nitrogen while higher pH and C: Nratios were found in composting. Therefore the study recommends that awareness of local communities should be made so as to use vermicomposting for agricultural production. The study also recommends that attention should be given to transfer the technology of vermicomposting and use of kitchen waste as organic fertilizer rather than polluting the environment.
Strategic management of ambidexterity: A critical literature review

This study undertakes a systematic review to gain insight into existing empirical studies on the field of ambidexterity, to synthesize and categorize the antecedents, outcomes and moderators of ambidexterity and develop suggestions for future research. Based on a systematic literature review of 92 articles published in 46 peer-reviewed academic journals from 2000 to 2020, various research perspectives were synthesized into a comprehensive framework of ambidexterity. We developed a conceptual model of ambidexterity grounded in selected theoretical lenses to advance our understanding of the different antecedents, moderators, and outcomes of ambidexterity. Α fine-grained understanding of ambidexterity is presented that contributes to management literature by synthesizing ambidexterity published research findings and identifying the mechanisms of effective ambidexterity. This study is valuable when aiming to map the development of the ambidexterity field over time and improve organizational performance.
Electric and Magnetic Response Properties of Topological Insulators in Two and Three Dimensions

This dissertation introduces some basic characteristics of a class of materials known as topological insulators. These materials were introduced theoretically as crystalline band insulators, in which electrons do not interact with each other and the atomic cores form a perfectly ordered, fixed background potential for the electrons. It is shown that, in the two-dimensional case, this definition can be relaxed to the case of disordered, noninteracting insulators. It is further shown numerically that the introduction of disorder to these two- dimensional insulators eliminates the direct transition between the topological and ordinary insulating phases, consistent with the presence of an intervening metallic phase.In the three-dimensional case, one formulation of the distinction between the topological and ordinary phases involves a quantized response function (the magnetoelectric polarizability). It is shown here that this characterization holds on quite general grounds, and therefore allows an extension of the topological class to disordered and interacting systems. Finally, a relatively rigorous derivation of the (fixed-ion, linear, orbital) magnetoelectric response of crystalline band insulators is presented.
Experimental and kinetic investigation on the laminar burning velocity of 4 NH 3 /syngas/air, NH 3 /CO/air and NH 3 /H 2 /air premixed flames at elevated 5 pressures

Mixing ammonia with syngas can be a promising way to overcome the low reactivity of ammonia, allowing it to find usage in IGCC (Integrated Gasification Combined Cycle) systems and gas for power generation. However, fundamental experimental data on laminar burning velocity of NH 3 /syngas/air are rather scarce, especially at elevated pressures. This information is critical for the development and validation of reaction mechanisms and advances in combustor design. In the present work, measurements of the laminar burning 6 velocities ( S L ) of NH 3 /syngas/air, NH 3 /CO/air, and NH 3 /H 2 /air premixed flames were performed by the heat 7 flux method at pressures up to 5 atm, equivalence ratios (  = (F/A)/(F/A) stoichiometry , where F is fuel mole fraction, 8 A is oxidizer mole fraction) ranging from 0.7 to 1.6, ammonia mole fractions in the fuel mixture from 0.2 to 1.0 9 in the NH 3 /syngas/air mixtures and 0.03 - 1.0 in the NH 3 /CO/air mixtures. Several recently published ammonia 10 oxidation mechanisms were tested against the present experimental data. The present measurements and 11 predictions of S L exist discrepancies especially for NH 3 /H 2 /air flames at elevated pressures. The pressure 12 exponent factors,  , are extracted from the measured S L and compared with the numerical results. The thermal, 13 diffusion and chemical effects of blending syngas with ammonia on S L of the mixtures are distinguished, and 14 the dominant role of the adiabatic flame temperature on  is discussed. Sensitivity and reaction pathway 15 analyses showed that the more emphasis of N 2 H i reaction pathway of Han-Mech lead to the higher reduction 16 rate of S L at rich conditions but there still exists large discrepancies, while the higher H 2 NO, N 2 O concentration 17 and the emphasis on hydrogen chemistry lead to higher S L predicted by Stagni-Mech. Shrestha-Mech predicts 18 higher NO formation which is due to more NH 2 reacted with O to form HNO. The addition of hydrogen or 19 carbon monoxide has equally promoting effect on the ammonia decomposition and NO x formation although 20 their flame speed differs a lot.
Uterine lipoleiomyoma Lipoleiomioma uterino CASE REPORT

Lipoleiomyoma is a rare benign uterine neoplasm whose incidence varies between 0.03%-0.2%. This tumor is considered a benign variant of typical uterine leiomyomas. It consists of a variable proportion of mature adipocytes and smooth muscle cells. The etiology may be related to estrogen deficiency occurring after the menopausal transition; it usually appears in obese perimenopausal or menopausal women. The symptomatology is nonspecific, and most are diagnosed incidentally. We present a case of uterine lipoleiomyoma in a 45-year-old patient who consulted for abdominal pain. Ultrasonography showed a tumor in the anterior wall of a homogeneous and well-defined uterus. During laparotomy, a yellowish tumor with a soft texture was found. Total hysterectomy plus oophorosalpingectomy was performed. The anatomopathologic diagnosis was uterine lipoleiomyoma. 0,03% considerado
Indicators of educator-child-interaction quality in early childhood education

Out-of-home childcare is now commonplace. Numerous studies have shown that the quality of interaction between child and educator is decisive for child development. As part of the EIK study in Austria, detailed data on 'interaction quality' was collected for 55 early childhood educators (N = 29 nurseries in Austria). The results show that the level of interaction quality is clearly capable of improvement in most nurseries. In four of the facilities examined, only a minimum level was achieved for all ten quality criteria employed using the GrazIAS 0-3 evaluation tool. But there are also nurseries exhibiting excellent quality of interaction were also found. The descriptive analyses of interaction quality indicate how individual interactions may be optimized and where improve-ments in educator training might be needed.
Skipping Questions in School Exams: The Role of Socio-Emotional Skills on Educational Outcomes

Economists, educators and policy-makers have became increasingly interested in the importance of socio-emotional skills for students’ performance. Conscientiousness, openness to experience, and emotional stability, among others, have been shown to be related with taking harder classes, graduating from high school and earning higher grades. Understanding the nature of the accumulation of these skills and identifying education interventions that could boost them, however, has been restricted by the availability of objective and inexpensive measures of socio-emotional skills. This paper proposes an objective and relatively inexpensive proxy for students’ socio-emotional skills directly derived from test-taking behavior. The measure is the incidence of skipping questions on a statewide standardized test. This exam has no penalties for guessing and gives students as much time as they need to answer. We believe that skipping questions is related to a reduced level of important socio-emotional skills. We find that, conditional on test scores, the incidence of skipping questions in middle school is consistently related with educational outcomes in high school and college, such as grade repetition, high school drop-out, on-time graduation and going to a 4-year college. These results are robust to the definition of skipping incidence and to the measurement of cognitive ability as captured by test scores. This paper proposes a new proxy for students’ soft skills, one that is low cost and objective, since it can be directly derived from students’ test taking behavior. The measure is the incidence of skipping questions on state-wide standardized assessment examinations. For our study, we measure the incidence of skipping questions by 7 th and 8 th grade students on a standardized statewide examination in Michigan. The Michigan Educational Assessment Program (MEAP), which is taken by 3 rd to 8 th grade students in Michigan public schools, possesses two characteristics that make skipping questions a suitable proxy for soft skills. First, the exam gives students the same score (zero) whether the student answers the question incorrectly or leaves it unanswered, so students would be better off (or no worse off) by guessing the answer and getting the question right with 25% probability, as opposed to skipping it. This implies that the incidence of skipping questions does not capture that some students are strategic responders. Second, time is not a binding constraint in this exam, since those students who have not finished when time is over have the possibility of moving to another room and continue until they finish. Therefore, students have enough time to guess at the last moment, if they want to do so.
Direct observation of electric field induced pattern formation and particle aggregation in ferrofluids

Ferrofluids typically respond to magnetic fields and can be manipulated by external magnetic fields. Here, we report on formation of visually observable patterns in a diluted low-polarity ferrofluid exposed to external electric fields. This presents a specific type of ferrofluid structure driven by a combined effect of electrohydrodynamics and electrical body forces. The free charge and permittivity variation are considered to play a key role in the observed phenomenon. The corresponding changes in the ferrofluid structure have been found at nanoscale as well. By small-angle neutron scattering (SANS), we show that the magnetic nanoparticles aggregate in direct current (dc) electric field with a strong dependence on the field intensity. The anisotropic aggregates preferably orient in the direction of the applied electric field. Conducting SANS experiments with alternating current (ac) electric fields of various frequencies, we found a critical frequency triggering the aggregation process. Our experimental study could open future applications of ferrofluids based on insulating liquids.
One loop divergences in quantum gravity coupled with nonlocal matter fields

We study the matter one-loop quantum corrections to the gravitational sector in a gravity theory coupled with a nonlocal scalar field. We find that non-renormalizable divergences disappear when the propagator of the scalar field approaches to a non-zero constant at high momentum, while the vacuum energy is still divergent. We also comment on non-local modification of fermion, gauge field and graviton.
The Biermann Battery in Cosmological MHD Simulations of Population III Star Formation

We report the results of the first self-consistent three-dimensional adaptive mesh refinement magnetohydrodynamical simulations of Population III star formation including the Biermann battery effect. We find that the Population III stellar cores formed including this effect are both qualitatively and quantitatively similar to those from hydrodynamics-only (non-MHD) cosmological simulations. We observe peak magnetic fields of ≃ 10−9 G in the center of our star-forming halo at z ≃ 17.55 at a baryon density of nB ∼ 1010 cm−3. The magnetic fields created by the Biermann battery effect are predominantly formed early in the evolution of the primordial halo at low density and large spatial scales, and then grow through compression and by shear flows. The fields seen in this calculation are never large enough to be dynamically important (with β ⩾ 1015 at all times before the termination of our calculation), and should be considered the minimum possible fields in existence during Population III star formation. The lack of magnetic support lends credibility to assumptions made in previous calculations regarding the lack of importance of magnetic fields in Population III star formation. In addition, these magnetic fields may be seed fields for the stellar dynamo or the magnetorotational instability at higher densities and smaller spatial scales.
Mohd. Ahamar Khan, International Journal of Research in Management, Economics and Commerce, ISSN 2250-057X, Impact Factor: 6.384, Volume 07 Issue 12, December 2017, Page 45-

This article examined the relationships and evaluates whether demographic characteristic such as teaching experience moderates the relationship between self-efficacy and organizational commitment. The study was undertaken on 300 teachers employed in central university (AMU), India. Obtained data were analyzed by correlation and moderation analysis. Results of correlation analysis revealed that teaching-experience significantly and positively correlated with the self-efficacy as well as organizational commitment. A significant positive correlation was also found between self-efficacy and organizational commitment. Moderation analyses confirm the significant interaction effect of teaching-experience of the relationship between selfefficacy and organizational commitment. These findings substantiate the crucial role of teaching-experience of university teachers’ in determining their self-efficacy and organizational commitment.
Effect of sociability and curiosity of senior developers in building agile scrum team competency

This paper aims to investigate the mechanisms that contribute to propagation of competence in an Agile Scrum team. This study seeks to challenge the traditional view of bounded rationality (BR). An Agile Scrum team (Team) is expected to build problem solving competence quickly as the expected ramp up time continues to shrink. But the team has a mixture of expertise, competence and sociability levels that affect out-of-the-box performance. The objective is to expand BR into the social realm and see how teams can self-organize and reconfigure to allow effective problem solving. Studies have shown that agent-based computational simulation is an appropriate technique to explore this point from a theoretical perspective. (Fioretti, 2013) (Secchi, 2015). The first step is to define the problem, discuss how senior team members exhibit high curiosity and apply sociability and cognitive resources to develop overall team competence. This dynamic is modeled and simulated in NetLogoR and the results are analyzed. Finally, some key findings are presented and discussed.
Computational Thinking through Body and Ego Syntonicity: Young Children’s Embodied Sense-Making Using A Programming Toy

: Papert’s concept of body syntonicity (how an experience aligns with learners’ sense and knowledge about their own bodies) has been embraced by learning scientists; however, his notion of ego syntonicity (how an experience aligns with children’s sense of self as people with intentions, goals, desires, likes/dislikes) is less discussed. We argue body syntonicity (BS) and ego syntonicity (ES) are both critical dimensions for understanding how young children learn abstract concepts and skills as part of embodied computational thinking (CT) with tangible programming toys. Using multimodal interactional analysis, we demonstrate how a preschooler (aged 4) used both physical enactment (BS) and intense emotional involvement (ES) with precisely coordinated response cries (e.g., collaborative cheering, gasping) to make sense of how a continuous spatial route can be decomposed into discrete programmable steps. We discuss implications for learning sciences at large and for supporting young children’s learning of decomposition and other CT practices.
Computer simulation of supersonic rarefied gas flow in the transition region, about a spherical probe; a Monte Carlo approach with application to rocket-borne ion probe experiments

This report describes a Monte Carlo simulation of transition flow around a sphere. Conditions for the simulation correspond to neutral monatomic molecules at two altitudes (70 and 75 km) in the D region of the ionosphere. Results are presented in the form of density contours, velocity vector plots and density, velocity and temperature profiles for the two altitudes. Contours and density profiles are related to independent Monte Carlo and experimental studies, and drag coefficients are calculated and compared with available experimental data. The small computer used is a PDP-15 with 16 K of core, and a typical run for 75 km requires five iterations, each taking five hours. The results are recorded on DECTAPE to be printed when required, and the program provides error estimates for any flow field parameter.
GOLDEN GRAVITATIONAL LENSING SYSTEMS FROM THE SLOAN LENS ACS SURVEY. I. SDSS J1538+5817: ONE LENS FOR TWO SOURCES,

We present a gravitational lensing and photometric study of the exceptional strong lensing system SDSS J1538+5817, identified by the Sloan Lens Advanced Camera for Survey. The lens is a luminous elliptical galaxy at redshift zl = 0.143. Using Hubble Space Telescope public images obtained with two different filters, the presence of two background sources lensed, respectively, into an Einstein ring and a double system is ascertained. Our new spectroscopic observations, performed at the Nordic Optical Telescope, reveal unequivocally that the two sources are located at the same redshift zs = 0.531. We investigate the total (luminous and dark) mass distribution of the lens between 1 and 4 kpc from the galaxy center by means of parametric and non-parametric lensing codes that describe the multiple images as point-like objects. Bootstrapping and Bayesian analyses are performed to determine the uncertainties on the quantities relevant to the lens mass characterization. Several disparate lensing models provide results that are consistent, given the errors, with those obtained from the best-fit model of the lens mass distribution in terms of a singular power-law ellipsoid model. In particular, the lensing models agree on: (1) reproducing accurately the observed positions of the images; (2) predicting a nearly axisymmetric total mass distribution, centered and oriented as the light distribution; (3) measuring a value of 8.11+0.27−0.59 × 1010 M☉ for the total mass projected within the Einstein radius of 2.5 kpc; and (4) estimating a total mass density profile slightly steeper than an isothermal one . A fit of the Sloan Digital Sky Survey multicolor photometry with composite stellar population models provides a value of 20+1−4 × 1010 M☉ for the total mass of the galaxy in the form of stars and of 0.9+0.1−0.2 for the fraction of projected luminous over total mass enclosed inside the Einstein radius. By combining lensing (total) and photometric (luminous) mass measurements, we differentiate the lens mass content in terms of luminous and dark matter components. This two-component modeling, which is viable only in extraordinary systems like SDSS J1538+5817, leads to a description of the global properties of the galaxy dark matter halo. Extending these results to a larger number of lens galaxies would considerably improve our understanding of galaxy formation and evolution processes in the ΛCDM scenario.
Use of a Taxonomy of Empathetic Response Intents to Control and Interpret Empathy in Neural Chatbots

A recent trend in the domain of open-domain conversational agents is enabling them to converse empathetically to emotional prompts. Current approaches either follow an end-to-end approach or condition the responses on similar emotion labels to generate empathetic responses. But empathy is a broad concept that refers to the cognitive and emotional reactions of an individual to the observed experiences of another and it is more complex than mere mimicry of emotion. Hence, it requires identifying complex human conversational strategies and dynamics in addition to generic emotions to control and interpret empathetic responding capabilities of chatbots. In this work, we make use of a taxonomy of eight empathetic response intents in addition to generic emotion categories in building a dialogue response generation model capable of generating empathetic responses in a controllable and interpretable manner. It consists of two modules: 1) a response emotion/intent prediction module; and 2) a response generation module. We propose several rule-based and neural approaches to predict the next response's emotion/intent and generate responses conditioned on these predicted emotions/intents. Automatic and human evaluation results emphasize the importance of the use of the taxonomy of empathetic response intents in producing more diverse and empathetically more appropriate responses than end-to-end models.
The Link between Perceived Leadership Style and Institutional Readiness for Change in the Public Universities of Ethiopia

This study explored the links between leadership styles and institutional readiness for change using a correlational research design. A total of 616 academic staff drawn from five public universities was included using proportionate stratified and simple random sampling techniques. Data were collected using Multi-factor Leadership Questionnaire and Organizational Change Recipients Beliefs' Scal e and analyzed using descriptive and inferential statistics. The results unveiled that the leadership style of top university leaders was found to be between transactional and laissez-faire in their leadership style and high institutional readiness for change in public universities. The findings further disclosed that the transformational leadership style had high, positive, and significant relations with institutional readiness for change while transactional and laissez-faire leadership styles had low, sometimes negative, and non-significant effects. Finally, it was concluded that high institutional readiness for change is an opportunity for university transformation. Still, failure to be transformational in leadership style at the top leadership echelon could hinder its implementation. Policy implications are also indicated in the study.