Miracle-dz/UniFAR-FTUs huggingface dataset:
Carcass characteristics of broilers fed enzyme complex.

Enzyme supplementation in diets based on corn and soybean meal can improve the productive performance of broilers. Thus, we aimed to evaluate the effect of the inclusion of different levels of an enzyme complex consisting of phytase, protease, xylanase, β-glucanase, cellulase, amylase, and pectinase, for diets based on corn and soybean meal, on the parameters of carcass yield and meat quality of broilers. Six hundred broiler chicks were used, and the animals were females with one day of age, from the Cobb 500 strain, and distributed in a completely randomized design, with five levels of inclusion of the enzyme complex (0, 100, 200, 300 and 400), and six repetitions, with twenty animals each. The carcass yield and meat quality were evaluated at 35 and 42 days of age. We evaluated the characteristics of weight loss by cooking (WLC), shear force (SF), water holding capacity (WHC), pH, lightness (L*) and color (a* and b*). The parameters of performance, carcass yield and carcass parts, and meat quality were not affected by the enzyme supplementation of diets fed to broiler chickens (P >0.05), except for the performance characteristics of the breast and the wings at 42 days of age (P < 0.05).
Three dimensional simulations of a swimmer's hand using an immersed boundary method

The force coefficients of the hand (and forearm) of a human swimmer have been determined in several experimental studies and direct numerical simulations (DNS) before. In the present study the flow around a swimmer’s hand and forearm is simulated at different velocities and angles of attack using an immersed boundary code. The force coefficients were calculated and compared with previous studies. Before undertaking the study of the swimmer’s hand, simulations of the flow around a sphere were performed to validate the code. The drag coefficient fitted the expected curve quite well, except for data around the critical Reynolds number where the boundary layer should have become turbulent. Also the distinct flow regimes in the wake of the sphere were consistent with results of previous studies. Furthermore, the additional force on an accelerating sphere seems to agree quite well with the added mass theory. It can be concluded from the study of the hand that under steady flow conditions the dragand lift coefficients were constant throughout the range of swimming speeds tested, which is consistent with previous research. The drag force for the particular hand model in this study peaked at an angle of attack of θ = 0◦, which corresponds with the orientation of the hand palm exactly facing the flow. Throughout the whole range of angles tested, the drag force was by far dominant. The trend of both the dragand lift coefficients as a function of angle of attack was consistent with the expectations. The resultant force of drag and lift (a vector addition) peaked at an angle of attack of α = 0◦. It was found that pulling the arms ∼ 3◦ diagonally backward, with an angle of attack of 0◦ could gain 0.08N more propulsive force (propulsive force 54.76N). This is not a significant result. For a hand under accelerating conditions it was found that the added mass was approximately∼ 7 10 of the total mass of the hand.
Sol-gel synthesis of (Ca-Ba)TiO3 nanoparticles for bone tissue engineering

Piezoelectric materials are the group of smart materials which have been recently developed for biomedical applications, such as bone tissue engineering. These materials could provide electrical signals with no external source power making them effective for bone remodeling. Between various types of materials, BaTiO3 and CaTiO3 are nontoxic piezoelectric ceramics, which recently have been introduced for bone tissue engineering. It is expected that, the combination of these two ceramics could provide suitable piezoelectricity, bioactivity and biocompatibility for bone tissue engineering applications. The aim of this research is to synthesize (BaxCa1-x)TiO3 (x= 0, 0.6, 0.8, 0.9 and 1) nanopowder using sol-gel method. Moreover, the incorporation of Ca+2 ions in the structure of (BaxCa1-x)TiO3 nanoparticles was chemically, structurally and biologically studied. X-ray diffraction (XRD) and scanning electron microscopy (SEM) studies confirmed the role of substituted Ca content on the chemical properties and morphology of particles. Indeed, increasing the amounts of Ca+2 ions resulted in the reduced crystallite size. While incorporation of more than 20 at. % Ca resulted in the formation of a biphasic structure, monophasic solid solution without any secondary phase was detected at less Ca content. Moreover, SEM images revealed that Ca substitution reduced particle size from 70.5 ±12 nm to 52.4 ±9 nm, while the morphology of synthesized powders did not significacntly change. Furthermore, incorporation of upon 10 at. % Ca content within (BaxCa1-x)TiO3 significantly promoted MG63 proliferation compared to pure CaTiO3.
Physical modelling of san-filled geosystems for coastal protection

Unidirectional irregular waves of varying significant wave-height and peak period but with a constant spectral shape (JONSWAP spectrum, ? =3.3) were generated over a sandy 3:20 sloped plane beach to investigate scour fronting a dune erosion control system constructed from geotextiles, slope inclined at 45o. Both passive (i.e., three dune erosion control systems with two configurations) and active (i.e., one nearshore submerged structure with four configurations) structures are investigated. A twodimensional physical movable-bed model simulating the prototype dune-beach systems of Estela, located along the NW Portuguese coast, is employed in this study. The paper presents a brief characterization of the prototype conditions and discusses requirements and limitations on the choice of model scale for the waves, the sediments, and the geotextile materials.
THE MOST LUMINOUS SUPERNOVA ASASSN-15LH: SIGNATURE OF A NEWBORN RAPIDLY ROTATING STRANGE QUARK STAR

In this paper we show that the most luminous supernova discovered very recently, ASASSN-15lh, could have been powered by a newborn ultra-strongly magnetized pulsar, which initially rotates near the Kepler limit. We find that if this pulsar is a neutron star, its rotational energy could be quickly lost as a result of gravitational-radiation-driven r-mode instability; if it is a strange quark star (SQS), however, this instability is highly suppressed due to a large bulk viscosity associated with the nonleptonic weak interaction among quarks and thus most of its rotational energy could be extracted to drive ASASSN-15lh. Therefore, we conclude that such an ultra-energetic supernova provides a possible signature for the birth of an SQS.
Knowledge sharing and professional online communities acceptance: An integrated model

0 0 1 183 1049 Al-Azhar University 8 2 1230 14.0 Normal 0 false false false EN-GB ZH-CN AR-SA /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:. 0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Calibri; mso-fareast-language:ZH-CN;} This study extends the Unified Theory of Acceptance and Use of Technology (UTAUT) to study acceptance and use of professional online communities. Drawing upon rigorous theoretical foundation, empirical support and contextually relevant research, an integrated model was developed and applied to investigate the use of professional online communities for knowledge acquisition and for knowledge provision. This model was tested through a survey administrated to the members of eight professional unions in Egypt. The findings of this study adds to knowledge by demonstrating that content quality, system quality and members’ beliefs in their abilities to use the community system facilitate the transformation of professional online communities’ resources to performance and personal benefits and, consequently, encourage members to use the community for sharing their knowledge. Additionally, the findings revealed that members who perceived high content and system quality were more likely to show higher degree of relational capital (trust). Several important implications are presented and discussed in more detail.
Chemodynamical Simulations of Dwarf Galaxy Evolution

In this review I give a summary of the state of the art for what concerns the chemo-dynamical numerical modelling of galaxies in general and of dwarf galaxies in particular. In particular, I focus my attention on (i) initial conditions, (ii) the equations to solve; (iii) the star formation process in galaxies, (iv) the initial mass function, (v) the chemical feedback, (vi) the mechanical feedback, (vii) the environmental effects. Moreover, some key results concerning the development of galactic winds in galaxies and the fate of heavy elements, freshly synthesised after an episode of star formation, have been reported. At the end of this review, I summarise the topics and physical processes, relevant to the evolution of galaxies, that in my opinion are not properly treated in modern computer simulations of galaxies and that deserve more attention in the future.
Fertilizers with coated urea in upland rice production and nitrogen apparent recovery.

Urea is the most used N fertilizer for upland rice, however, a great percentage of N loss can occur with the use of this fertilizer. The use of products that provide reduction of N loss for urea fertilizers can contribute to increase N use efficiency. The objective of this study was to determine the effect of N rates applied in the form of coated urea in the content and accumulation of N in dry biomass, apparent recovery of nitrogen and grain yield of upland rice. The experimental design was a randomized complete blocks arranged in a 4 x 3 + 1 factorial scheme. The treatments consisted of four sources of N fertilizer [1. Common urea; 2. Polymer-coated urea for slow release of N (PCU); 3. urea with the urease inhibitor N-(n-Butyl) thiophosphoric triamide (NBPT); and 4. urea coated with copper sulfate and boric acid as urease inhibitors (UCCB)], with three fertilization rates (30, 60 and 90 kg ha -1 of N). In addition, we included a control treatment without N application. Coated urea did not provide increases in rice grain yield in relation to common urea. The increasing amount of N resulted in significant increases in rice grain yield (from 3217 to 5548 kg ha -1 , 2010/11, and from 3392 to 4560 kg ha -1 , 2011/12). The apparent nitrogen recovery rate decreased with the increase in N applied doses.
Does financial development cause economic growth in the ASEAN-4 countries

This paper empirically examines the short- and long-run finance-growth nexus during the post-1997 financial crisis in the ASEAN-4 countries (i.e., Indonesia, Malaysia, Thailand and the Philippines) by employing battery of times series techniques such as the autoregressive distributed lag (ARDL) model, the vector error correction model (VECM), the variance decompositions (VDCs) and impulse-response functions (IRFs). Based on the ARDL model, the study documents a long-run equilibrium between economic growth, finance depth, share of investment and inflation. The study also finds that the common sources of economic progress/regress among countries are price stability and financial development. Granger causality tests based on the VECM further reveals that there is: (i) no causality between finance and growth in Indonesia, which confirms “the independent hypothesis” of Lucas (1988); (ii) a unidirectional causality running from finance to growth in Malaysia, thus supporting the “finance-growth led hypothesis” or the “supply-leading view”; (iii) a bidirectional causality between finance and growth in Thailand, in accord with the “feedback hypothesis” or the “bidirectional causality view”; and (iv) a unidirectional causality stemming from growth to finance in the Philippines, the finding echoing the “growth-led finance hypothesis” or the Robinson’s (1952) “demand- following view”. Based on VDCs and IRFs, the study discovers that the variations in the economic growth rely very much on its own innovations. If policy makers want to promote growth in the ASEAN-4 countries, priority should be given to long run policies, i.e., to the enhancement of existing financial institutions in the banking sector as well as the stock market.
Economic efficiency of mixed crop-livestock production system in the north eastern highlands of Ethiopia: the Stochastic frontier approach

This study analyzed the efficiency of crop-livestock production and assessing their potential for improvement in North-East Ethiopian highlands. Cross-sectional data were used to analyze the economic efficiency of mixed crop and livestock production system and identify its determinants factors from 252 farmers who were selected using probability proportional to sample size sampling technique. The parametric method stochastic frontier approach was employed to measure economic efficiency. The parametric methods of efficiency measurement indicated that most farmers in the study area were not efficient suggesting that efficiency improvement is one of the possible avenues for increasing agricultural production with available resource and technology. The mean Technical Efficiency (TE), Allocative Efficiency (AE) and Economic Efficiency (EE) of the household calculated from parametric approach of stochastic frontier analysis were 62%, 51% and 29%, respectively. The production efficiency of mixed crop-livestock farming system was determined by farm size, livestock ownership, labour availability, off/non-farm income participation, total household asset, total household consumption expenditure and improved technology adoption. This study found that improved agricultural technology adoption significantly improved production efficiency of households. Such actions may, in turn, alleviate the current problem of food insecurity and lead in the long run to economic development in the country.
Difficulties EFL Jordanian University Students Encounter in Translating English Idioms into Arabic.

This study aimed at investigating the difficulties that Jordanian EFL University students encounter in translating English idioms into Arabic. The participants of the study were all M.A translation students at Yarmouk University and the University of Jordan who were selected purposefully. The total number of the students who participated in the translation test which contains 16 idioms of different categories was 90. The quantitative findings of the study revealed that EFL Jordanian university students encountered difficulties in translating English idioms into Arabic. Keywords : Difficulties, EFL translation students, Translating idioms
Efficiency and Productivity Change in the English Higher Education Sector from 1996/97 to 2004/5

In this study we use a distance function approach to derive Malmquist productivity indexes for 112 English higher education institutions (HEIs) over the period 1996/97 to 2004/5. The analysis shows that HEIs have experienced an annual average increase in productivity of 1 per cent. Further investigation reveals that HEIs have enjoyed an annual average increase in technology of 6 per cent combined with a decrease in technical efficiency of 5 per cent. Rapid changes in the higher education sector appear to have had a positive effect on the technology of production but this has been achieved at the cost of lower technical efficiency.
Pressure Waves due to Rapid Evaporation of Water Droplet in Liquid Lead Coolant

Flash evaporation of a superheated water droplet in heavy liquid metal coolant (lead) is considered, in application to the analysis of a lead-cooled fast reactor steam generator tube rupture accident. The model is based on thermodynamic equilibrium formulation for the expanding water-steam mixture and inviscid compressible formulation for the surrounding liquid lead, with the interface conditions determined from the solution of the Riemann problem. Numerical solution is performed in the spherically symmetric geometry using a conservative numerical scheme with a moving sharp interface. Transient pressure and velocity profiles in each phase are presented for the parameters typical of the steam generator tube rupture accidents, demonstrating the process of boiling water expansion and pressure wave formation in the coolant. The results obtained are compared with a simplified model which considers the volume-averaged parameters of boiling water droplets and considers coolant as an incompressible liquid. Good agreement between the full and simplified models is demonstrated. Impacts of coolant flow on structures caused by pressure wave propagation and subsequent coolant flow are discussed.
Board Dynamics and Corporate Performance: Review of Literature, and Empirical Challenges

This paper is an attempt to conduct a comprehensive survey of relevant literatures in respect of the relationship between board dynamics and firm performance. The investigation reveals that equivocal findings still dominates most of the previous studies on key board dynamics such as Size, composition, CEO Duality and Diversity amongst others. While the need to assess the connection between board characteristics and corporate performance would for a longtime remained a legitimate and interesting area of investigation, the paper recommend that the researchers avoid mistakes of the past. These include over reliance on singular theory, the use of lone performance measure and most importantly the assumption of express relationship between the two variables. The use of more purposeful process based approach that identifies the cause effect of the relationship would be of tremendous benefit to this vital field of study.
Girão-Coelho AM. Finite element guidelines for simulation of delamination dominated failures in composite materials validated by case studies. Archives of Computational Methods in Engineering 2016, 1-26

The focus of this paper is on the computational modelling of progressive damage in composite structures of fibre reinforced laminae. A general review of modelling approaches to failure in the context of the finite element method is first presented, with an emphasis on models based on continuum damage mechanics. The way in which delamination and matrix splitting (that may or may not interact with fibre-tension damage) should be addressed in the framework of a commercial finite element code is considered next. An important feature of the analysis is it does not rely on customized user-subroutines but solely on the analysis capabilities of the general purpose software Abaqus, thus ensuring that the numerical results can be universally reproduced. It is shown that the finite element simulations can accurately represent the physical mechanisms controlling damage development and progression and reproduce a number of phenomena including delamination, laminate in-plane failure and behaviour at notches. The paper ends giving guidelines for the generalized modelling methodology using Abaqus without user-subroutines.
Ideas and perspectives: on the emission of amines from terrestrial vegetation in the context of new atmospheric particle formation

Abstract. In this article we summarise recent science which shows how airborne amines, specifically methylamines (MAs), play a key role in new atmospheric particle formation (NPF) by stabilising small molecule clusters. Agricultural emissions are assumed to constitute the most important MA source, but given the short atmospheric residence time of MAs, they can hardly have a direct impact on NPF events observed in remote regions. This leads us to the presentation of existing knowledge focussing on natural vegetation-related MA sources. High MA contents as well as emissions by plants was already described in the 19th century. Strong MA emissions predominantly occur during flowering as part of a pollination strategy. The behaviour is species-specific, but examples of such species are common and widespread. In addition, vegetative plant tissue exhibiting high amounts of MAs might potentially lead to significant emissions. The decomposition of organic material constitutes another, potentially ubiquitous, source of airborne MAs. These mechanisms would provide sources, which could be crucial for the amine's role in NPF, especially in remote regions. Knowledge about vegetation-related amine emissions is, however, very limited, and thus it is also an open question how global change and the intensified cycling of reactive nitrogen over the last 200 years have altered amine emissions from vegetation with a corresponding effect on NPF.
Taking stock of decentralized disaster risk reduction in Indonesia

Abstract. The Sendai Framework, which outlines the global course on disaster risk reduction until 2030, places strong importance on the role of local government in disaster risk reduction. An aim of decentralization is to increase the influence and authority of local government in decision making. Yet, there is limited empirical evidence of the extent, character and effects of decentralization in current disaster risk reduction implementation, and of the barriers that are most critical to this. This paper evaluates decentralization in relation to disaster risk reduction in Indonesia, chosen for its recent actions to decentralize governance of DRR coupled with a high level of disaster risk. An analytical framework was developed to evaluate the various dimensions of decentralized disaster risk reduction, which necessitated the use of a desk study, semi-structured interviews and a gap analysis. Key barriers to implementation in Indonesia included: capacity gaps at lower institutional levels, low compliance with legislation, disconnected policies, issues in communication and coordination and inadequate resourcing. However, any of these barriers are not unique to disaster risk reduction, and similar barriers have been observed for decentralization in other developing countries in other public sectors.
AN EMPIRICAL ASSESSMENT OF CUSTOMER SATISFACTION AND QUALITY OF SERVICE: COMPARING SERVQUAL AND SERVPERF

Este artigo estima a validade e a fiabilidade de dois instrumentos que medem a qualidade de servico, SERVPERF e SERVQUAL, aplicados a um novo ambiente cultural, uma companhia portuguesa de energia. Para fornecer informacoes e estrategias visando a atividade de gestao, e estabelecida uma relacao entre satisfacao e qualidade de servico. O estudo empirico sugere uma superior validade convergente e preditiva do instrument SERVPERF para medir a qualidade de servico em comparacao com o instrumento SERVQUAL. A principal diferenca deste estudo relativamente a outros efetuados, e que este se apoia numa analise fatorial confirmatoria, a validacao dos instrumentos e efetuada usando as mesmas medidas sugeridas pelos seus criadores e estende a linha de investigacao para uma ambiente cultural novo, uma companhia portuguesa de energia. No que diz respeito a relacao entre qualidade de servico e satisfacao dos clientes, todas os atributos de qualidade correlacionam de forma identica com as dimensoes de satisfacao, com um menor peso no que se refere aos tangiveis.