Miracle-dz/UniFAR-FTUs huggingface dataset:
The Number of Sex Alleles lCSDr in a Bee Population and its Practical Importance lHymenopterac Apidaer

— This work was carried out to monitor the number of xo sex alleles (CSD—Complementary Sex Determination) in a limited population of McUpona scutellaris Latreille (Apinae, Meliponini) and to verify if introduction of inseminated queens from distant populations is a good and practical method to avoid extinction of small ones. Twenty-two colonies ot Melipona scutellaris were brought from Len^ois, Bahia (12°34'S; 41°23'W) to Uberlandia (18°52'56"S; 48°12'55"W), 500km south of the southern edge of its geographical distribution. Thirty foreign queens were introduced from 1992 to 1995, and the number of xo sex alleles oscillated from 7.0 to 36.0. The number of sex alleles was studied using a formula modified from the one of Laidlaw et al. (1956) n = 2M(N+ 1)/(H+1) (where n is the number of xo sex alleles in the population, N is the total number of colonies sampled of this population, H is the number of colonies that produced diploid males and M is the number of males that mated with the queen). These results showed that the introduction of inseminated queens serves to maintain the variability of sexual alleles and, consequently, allow the existence of small populations of Meliponini. These data are being taught to Melipoiia beekeepers to improve their bee yards and help in protecting the species from extinction. Brazilian stingless bees (Hymenoptera, Apidae) are among the main pollinators of the native Brazilian flora, varying from 30% to 90% of the native plants, according to the ecosystem they inhabit (Kerr et al. 1994). These bees belong to the subfamily Apinae, tribe Meliponini, and at least three species, Melipoiia scutellaris Latreille, M. compressipes fasciculata Smith and M. beecheii, were domesticated by native Precolombian populations, two in Brazil (Maranhao and Pernambuco States) and one in Mexico (Yucatan). Besides being good pollinators, two bees, the African honey bee and Uruq:u {Melipona scutellaris) are the main producers of honey in northeastern Brazil. Melipona honey reaches a price 4 to 10 times higher than honey bees because of lower production by individual colonies and the preference of local pop-
OF THE DISCRETE GREEN ’ S FUNCTION IN THE FINITE-DIFFERENCE TIME-DOMAIN METHOD

In this paper, applications of the discrete Green’s function (DGF) in the three-dimensional finite-difference time-domain (FDTD) method are presented. The FDTD method on disjoint domains was developed employing DGF to couple the FDTD domains as well as to compute the electromagnetic field outside these domains. Hence, source and scatterer are simulated in separate domains and updating of vacuum cells, being of little interest from a user point of view, can be avoided. In the developed method, the field radiated by an FDTD domain is computed as a convolution of DGF with equivalent current sources measured over two displaced Huygens surfaces. Therefore, the computed electromagnetic field is compatible with the FDTD grid and can be applied as an incident wave in a coupled totalfield/scattered-field domain. In the developed method, the DGF waveforms are truncated using the Hann’s window and windowing parameters assuring accuracy of computations are pointed out. The error of the field computations varies between −90 dB and −40 dB depending on the DGF length and excitation waveform. However, if the DGF length is equal to the number of iterations in a simulation, the presented DGF-based techniques return the same results as the direct FDTD method.
Formation of an Integrated Stock Price Forecast Model in Lithuania

Technical and fundamental analyses are widely used to forecast stock prices due to lack of knowledge of other modern models and methods such as Residual Income Model, ANN-APGARCH, Support Vector Machine, Probabilistic Neural Network and Genetic Fuzzy Systems. Although stock price forecast models integrating both technical and fundamental analyses are currently used widely, their integration is not justified comprehensively enough. This paper discusses theoretical one-factor and multi-factor stock price forecast models already applied by investors at a global level and determines possibility to create and apply practically a stock price forecast model which integrates fundamental and technical analysis with the reference to the Lithuanian stock market. The research is aimed to determine the relationship between stock prices of the 14 Lithuanian companies listed in the Main List by the Nasdaq OMX Baltic and various fundamental variables. Based on correlation and regression analysis results and application of c-Squared Test, ANOVA method, a general stock price forecast model is generated. This paper discusses practical implications how the developed model can be used to forecast stock prices by individual investors and suggests additional check measures.
Ultimate lateral pressure of two side-by-side piles in clay

The ultimate earth resistance for a group of two side-by-side piles that are laterally loaded in clay is investigated using four different methods of analysis: three numerical (the displacement finite-element method, and the upper- and lower-bound finite-element limit analysis methods) and one analytical (an analytical upper-bound plasticity method developed in this paper). The results of the three numerical methods are shown to be in excellent agreement, while the analytical solution presents a theoretical upper bound that is very close to the numerical results. The results of the analyses are used to identify the predominant failure mechanisms for different pile spacings and pile–soil adhesions. They are also used to develop a design chart and design equations for determination of the ultimate lateral bearing capacity factor.
Nanocomposite materials of alternately stacked C 60 monolayer and graphene

We synthesized the novel nanocomposite consisting alternately of a stacked single graphene sheet and a C60 monolayer by using the graphite intercalation technique in which alkylamine molecules help intercalate large C60 molecules into the graphite. Moreover, it is found that the intercalated C60 molecules can rotate in between single graphene sheets by using 13C NMR measurements. This preparation method provides a general way for intercalating huge fullerene molecules into graphite, which will lead to promising materials with novel mechanical, physical, and electrical properties.
CHEMICAL COMPOSITION AND in vitro GAS PRODUCTION OF SOME LEGUME BROWSE SPECIES IN SUBTROPICAL AREAS OF MEXICO [COMPOSICIÓN QUÍMICA Y PRODUCCIÓN DE GAS in vitro DE VAINAS DE LEGUMINOSAS ARBÓREAS EN AREAS SUBTROPICALES

a Departamento de Nutricion Animal. Facultad de Medicina Veterinaria y Zootecnia. E-mail adress: mrg@uaemex.mx b Centro Universitario UAEM-Temascaltepec, km 67.5 Carr. Toluca-Tejupilco, Estado de Mexico, C.P. 51300, Mexico. c Instituto en Ciencias Agropecuarias y Rurales. Universidad Autonoma del Estado de Mexico. d Departament of Animal Production, Faculty of Agriculture (El-Shatby), Alexandria University, Egypt. *Corresponding author
Adaptive Zoom Distance Measuring System of Camera Based on the Ranging of Binocular Vision

Binocular vision ranging, according to the principle of parallax, represents the three dimensional depth in a parallax of 2d image plane. In order to improve the measurement accuracy of the binocular vision ranging, an adaptive zoom distance measuring methodology is focused on in the work. The causes of the error generation during the ranging process and its improvement difficulties are discussed. SIFT (Scale-invariant feature transform) is introduced to obtain parallax. With the samples of focal length acquired through the distance formula, the focal length function about distance is fitted through the least square method. A new distance formula is derived from the focal length function and the distance formula. In addition, a corresponding system is developed to realize the ranging process. To illustrate the procedure of the combination approach, an experiment is conducted with the developed system. The data from the experiment show that this technique can achieve accurate ranging. With the adaptive zoom method, ranging accuracy can reach more than 90%.
Discovery of Malicious Nodes in Wireless Sensor Networks Using Neural Predictors

With the continuous development of the wireless devices technology, securing wireless sensor networks became more and more a significant but also a difficult task. In this paper we present our research for a robust and intelligent algorithm dedicated to the discovery of malfunctioning or attacked sensor nodes. Our strategy is focused on neural network predictors based on past and present values obtained from neighboring nodes. Limited resources in terms of computational power, energy, memory and bandwidth impose heavy constraints on functionality of an effective malfunction detection system. For this reason we consider that our algorithm is designed and suitable for execution on the base station level and, by this, it is appropriate even for large-scale sensor networks.
Comparison of Residential Energy Consumption in Different Geographical Areas and Relevance for Environmental Policy

Residential energy consumption is varying considerably worldwide. In order to understand these variations, and thus design effective policies for energy reductions, one needs a better understanding of the different drivers behind these variations. A comparison of geographical areas with similar climate and socio-economic conditions has shown significant variations in residential energy consumption across otherwise comparable case studies. This research paper aims to identify cultural and historical parameters that contribute to these significant variations, including economic, environmental and social traditions related to local availability of natural resources. Furthermore, the transferability of these parameters is evaluated, taking into consideration local legislation and planning documents, and historic and socio-economic accessibility of resources. It is evaluated to which degree these parameters can be transferred and included into building assessment tools and policy documents for planning and transformation of sustainable urban neighborhoods.
Estimating the output gap for the Maltese economy

An attempt is made in this paper to arrive at an estimate of the output gap for the Maltese economy on a quarterly and annual basis. Two approaches are adopted, namely the Hodrick-Prescott filter and the aggregate production function method, with their results being benchmarked with the results of two other studies. The methods adopted in this paper indicate that the Maltese economy passed through three separate business cycles during the last three decades, with the size of the fluctuations moderating over time. Potential output growth is estimated to have declined significantly during the nineties, as factors of production are growing by a smaller margin. This indicates the importance of carrying out structural reforms that would boost productivity growth.
Outcome of Self-Control Therapy for Depression with Subpopulations.

One hundred and four clinically depressed female volunteer subjects completed a 10 session, group format, self-control therapy program for depression. Three alternative versions of the program focussed on cognitive, behavioral or combined targets. Exploratory MANOVA'S examined outcome for subgroups of patients defined according to demographic, history and course, psychological and event schedule variables. Better outcome was associated with acute onset, a high number of recent negative events, and initial positive self-control attitudes. A high frequency of positive events was associated with greater improvement in the behavioral target program and a low frequency with greater improvement in the combined program. Results were discussed in terms of strategies to improve outcomes in behavioral and cognitive therapies for depression.
What Motivates Student Environmental Activists on College Campuses? An In-Depth Qualitative Study

Public concern for the natural environment continues to grow as complex environmental problems emerge. One avenue where concern for the environment has been expressed is through activism. However, research on environmental activism, often aimed at understanding the motivations behind activist behavior, has largely focused on older adults. In this study, we extend the state of knowledge on environmental activism further by focusing on college students. We use qualitative methods (in-depth interviews and observations) to examine the motivations behind student involvement in environmental activism on a state university campus. Our findings underscore that young people’s activist motivations are not stand-alone phenomena; they work in tandem with other processes and factors in a dynamic way and are influenced by an individual’s history, previous experiences and passion, a sense of community, existing incentives, and self-satisfaction derived from activist behavior.
Positivist and Non-Positivist Paradigm in Social Science Research: Conflicting Paradigms or Perfect Partners?

The idea of a paradigm or worldview as an overarching framework which organizes our entire approach to being in the globe has become usual since Kuhn published The Structure of Scientific Revolutions in 1962. This paper therefore critically examined the positivist and a non positivist research paradigm in social science research. It was revealed that the two paradigms are opposing each other. The findings show that positivist and a non positivist research are conflicting paradigms and a researcher needs to cortically evaluate each and every paradigm before employing it in his research activities. Conclusion was eventually drawn based on the literature findings.
Gravity, Lorentz violation, and the standard model

The role of the gravitational sector in the Lorentz- and CPT-violating standard-model extension ~SME! is studied. A framework is developed for addressing this topic in the context of Riemann-Cartan spacetimes, which include as limiting cases the usual Riemann and Minkowski geometries. The methodology is first illustrated in the context of the QED extension in a Riemann-Cartan background. The full SME in this background is then considered, and the leading-order terms in the SME action involving operators of mass dimension three and four are constructed. The incorporation of arbitrary Lorentz and CPT violation into general relativity and other theories of gravity based on Riemann-Cartan geometries is discussed. The dominant terms in the effective low-energy action for the gravitational sector are provided, thereby completing the formulation of the leading-order terms in the SME with gravity. Explicit Lorentz symmetry breaking is found to be incompatible with generic Riemann-Cartan geometries, but spontaneous Lorentz breaking evades this difficulty.
Optimization of the carrier concentration in phase-separated half-Heusler compounds

Inspired by the promising thermoelectric properties of phase-separated half-Heusler materials, we investigated the influence of electron doping in the n-type Ti0.3−xZr0.35Hf0. 35NiSn compound. The addition of Nb to this compound led to a significant increase in its electrical conductivity, and shifted the maximum Seebeck coefficient to higher temperatures owing to the suppression of intrinsic carriers. This resulted in an enhancement of both the power factor α2σ and figure of merit, zT. The applicability of an average effective mass model revealed the optimized electron properties for samples containing Nb. There is evidence in the literature that the average effective mass model is suitable for estimating the optimized carrier concentration of thermoelectric n-type half-Heusler compounds.
Matching correspondence between images and 3D model in a reconstruction process

3D reconstruction from photographies is an active research trend. The resolution of the sensors is increasing and the data processing is more accurate (not only restricted to calibrated stereo vision). In archaeological research it becomes a common way to safeguard some views of an ancient site, coupled with a manner to describe in 3D the artifacts with the same set of photographies. Archaeological scientist are now facing a complex problem to handle these digital data. An important usage is to describe semantically the artifacts. It is generally made "by hand", supplied by the knowledge of the scientists. We propose a solution that can perform a part of this work automatically, to generate descriptions of the obtained geometry. It combines image processing, geometry processing, 3D reconstruction. This paper aims at presenting an algorithm for 2D/3D point matching. The 3D reconstruction process of model from multiple views based on SIFT algorithm. The matching process uses a 2D mask pattern to lookup the 3D corresponding point. Experimental results show that our matching algorithm is precise, highly flexible, and can be successfully applied to a variety of 3D shapes.
Selection of proper modes of an NRD guide using a perturbing boundary

A novel method to remove unwanted modes in the analysis of nonradiative dielectric (NRD) guide is proposed. Those modes are originated by the compulsory truncation of an infinite boundary to restrict finite-element domain. It will be shown that unwanted modes can be filtered out by a special boundary concept named a perturbing boundary condition. This method is applied to obtaining the propagation constant of inhomogeneous NRD guides and NRD guides with a trapezoidal cross section of which analytic solutions do not exist.
Tackling projects on sustainability: a Lithuanian case study

Companies are increasingly coming under strong global pressure to incorporate sustainability considerations into their project decision-making process. This is where project managers play a vital role. However, how project managers approach sustainability in their daily work still has to be explored. Therefore, this article seeks to determine whether and to what extent project managers take into account sustainability in project management decision making. Research was carried out in Lithuania, selecting two industries: construction and automotive. The case study revealed that project managers in Lithuania still do not give much regard to sustainability when making their decisions. Only a limited number of sustainability criteria are taken into account by project managers in their decisions. Research also showed that a project manager gives more consideration to sustainability in project management decision making than a project team member.
Modeling exchange volatility in Egypt using GARCH models

In this study, we consider the generalized autoregressive conditional heteroscedastic approach in modeling real effective exchange rate in Egypt using monthly data from 1994 to 2009. Various GARCH extensions are performed here. The main results show that real effective exchange rate volatility may have different behaviors based on measures enable to determine it. More importantly, when we take into account volatility clustering (i.e. Standard GARCH), we observe a quite persistence implying a mean reverting variance process. However, when we consider the leverage effect (i.e. Exponential GARCH), we notice a tendency to a long memory which can be itself a source of an explosive process.
Deformational properties of flysch sandstones under conventional triaxial compression conditions

The process of deformation of flysch sandstones under conditions of conventional triaxial compression is characterised in the paper. Samples of three types of clastic rocks varying in degree of diagenesis and grain-size distribution were tested. The inﬂuence of con fining pressure on the deformability and ultimate strength of these rocks was investigated. In particular, the inﬂuence of con fining pressure on critical axial and circumferential strain, Young’s modulus, Poisson’s ratio, threshold of absolute dilatancy and limit of linearity of the differential stress – axial strain characteristic was examined. The results of the research undertaken show that weakly diagenesed clastic rocks of low strength feature high deformability and fine-grained massive clastic rocks of high strength feature low deformability. In addition, the normalized threshold of absolute dilatancy increases with an increase in con fining pressure in the case of weakly diagenesed rocks and decreases in the case of massive fine-grained clastic rocks.
Climate of the Greenland ice sheet using a high-resolution climate model – Part 1: Evaluation

Abstract. A simulation of 51 years (1957–2008) has been performed over Greenland using the regional atmospheric climate model (RACMO2/GR) at a horizontal grid spacing of 11 km and forced by ECMWF re-analysis products. To better represent processes affecting ice sheet surface mass balance, such as meltwater refreezing and penetration, an additional snow/ice surface module has been developed and implemented into the surface part of the climate model. The temporal evolution and climatology of the model is evaluated with in situ coastal and ice sheet atmospheric measurements of near-surface variables and surface energy balance components. The bias for the near-surface air temperature (−0.8 °C), specific humidity (0.1 g kg−1), wind speed (0.3 m s−1) as well as for radiative (2.5 W m−2 for net radiation) and turbulent heat fluxes shows that the model is in good accordance with available observations on and around the ice sheet. The modelled surface energy budget underestimates the downward longwave radiation and overestimates the sensible heat flux. Due to their compensating effect, the averaged 2 m temperature bias is small and the katabatic wind circulation well captured by the model.
Long term changes in abundance of Coccinella septempunctata (Coleoptera: Coccinellidae) in the Czech Republic

Since 1978, the abundance of Coccinella septempunctata L. has been recorded at a hibernation site in the western Czech Republic. Over the years, abundance varied by two orders of magnitude and a long-term trend for decrease in C. septempunctata abundance was observed beginning in the early 1990s. This recession was correlated with the decreasing abundance of its dominant prey, cereal aphids. The acreage of small grain cereals and other crops suitable for breeding C. septempunctata populations also decreased. The change in abundance of cereal aphids may be associated with a dramatic decrease in fertilizer input after 1990. Decreasing fertilizer use has changed the quality of small grain cereal crops and is reflected in lower yields.
Mixed Lineage Leukemia 5 (MLL5) identified as disease contributing gene by single cell transcriptome analysis of classical pediatric and adult Hodgkin lymphoma

We isolated Hodgkin and Reed-Sternberg cells by single cell microdissection, performed microarray analyses and compared their expression signatures to those of germinal center B cells. MLL5 was identified as overexpressed in Hodgkin lymphoma (HL), and knockdown of MLL5 in HL cell lines resulted in a significantly decreased proliferation, an increased apoptosis after growth factor withdrawal and an enhanced responsiveness towards chemotherapy agent etoposide. Moreover, Western blot analyses revealed a potential role of MLL5 in the epigenetic regulation of gene activation in HL cells.