Miracle-dz/UniFAR-FTUs huggingface dataset:
APPROACHES TO THE CREATION OF MULTIBODY MODELS OF THE VVER 1000 NUCLEAR REACTOR CONTROL ASSEMBLY

Multibody systems modelling and analysis are efficient tools utilizable in general tasks of nonlinear dynamics. One of the branches suitable for the application of multibody approaches is the modelling of nonlinear motion and dynamical analysis in nuclear engineering. The motion of important parts of nuclear reactors called control assemblies has to be analyzed. The purpose of these control systems is to control the power of a nuclear reactor and possibly to stop the reaction in case of an emergency state. With respect to different types of nuclear reactors, different control systems composed of various mechanical parts and transmissions can be distinguished. Generally, they can be simplified to the typical problem of a long thin rod moving through guide tubes and driven by a motor. Then the modelling approach depends on the chosen mode of operation, which can be operation (regulation) under normal conditions or a certain emergency state. The paper is focused on the control assembly of the VVER 1000 nuclear reactor. The VVER 1000 reactor is a pressurized water-cooled and water-moderated reactor consisting of a reactor pressure vessel with an interior structure and a reactor upper block with 61 control assembly drives. Under the vessel head with nozzles of the control assembly drives there is a block of protective tubes, which is above the core with 163 fuel assemblies. A moveable part of the control assembly, i.e. a rod control cluster assembly (this part is the necessary condition for stopping the nuclear reaction), is composed of a suspension bar, a spider and 18 long thin absorber rods. Two modular spatial multibody models of the LKP-M/3 control assembly of the VVER 1000 nuclear reactor were created in the alaska simulation tool and they differ in their kinematic scheme and in the number of contact positions. Both models are meant for the simulations of the control assembly moving parts drop. The first one is intended for the simulations of the rod control cluster assembly drop during the seismic event, where the total time of the drop is the significant measured and computed quantity, and the second one for investigating limit curves of deformations of fuel assembly guide tubes, at which the absorber rods still reach the lower part of the core.
Dealing with negative symbolism of destinations with difficult heritage: Analysis of Ugandas image

Many countries in Africa are currently investing in tourism with the aim of increasing annual tourist flows but majority of them are negatively symbolised at source markets as countries with ‘difficult heritage’. Previous research has indicated that tourism in Africa is perceived as riskier than any comparable region on Earth except the Middle East. It further indicates that negative country images might result in negatively biased destination perceptions and could negatively impact on their competitiveness. This study discusses negative place symbolism at source markets using the social identity theory adjusted, its effect on destination branding programmes and how destinations can deal with it. It utilises a theoretical literature review and empirical synthesis of symbolism with respect to Uganda as a country with difficult heritage and the branding challenges in light of its agenda to increase its international tourism and attract direct foreign investment in the sector. Key words: Difficult heritage, symbolism, image, destination, negative.
ANALYSIS OF TRANSIENT RADIATIVE HEAT TRANSFER USING HIGH BOUNDED SCHEME OF THE FTn FINITE VOLUME METHOD

In this work, the transient behavior of the absorbing, emitting, and isotropically scattering medium in radiative equilibrium is examined, using the FTn Finite Volume Method (FTnFVM), in terms of temporal and spatial evolutions of the incident radiation, radiative heat flux, and temperature of the medium. Commonly used convection schemes in computational fluid dynamics (CFD) such as STEP and CLAM are introduced for spatial discetization of the transient radiative transfer equation (TRTE). Also a non-uniform (FTn) angular scheme is used to capture the physics of the radiative wave propagation. The present approach is then validated by comparing with published data and applied to problems of three-dimensional isotropically participating media. It is shown that the FTn FVM reduces largely the ray effects. Also, the false scattering is largely remedied using the CLAM scheme is applied for the angular discretization. In all computations, the CLAM scheme produces more accurate results (with coarse grid) than the step scheme. Using the same (relatively coarse) spatial grid, the CLAM scheme captures the steep gradients and penetration depths more accurately than the step scheme. Then, effects of the scattering albedo and the optical thickness on the incident radiation distributions are presented and discussed.
Understanding Travel from Web Queries using Domain Knowledge from Wikipedia

Developing a deeper understanding of the travel domain is helpful for presenting users with consistent and reliable information, and few sources of data are able to achieve that. Further, such information can serve as background knowledge for evaluating machine learning algorithms. In this paper, we present part of our work towards developing such an understanding. We demonstrate a simple extraction technique and how the extracted data can be used to evaluate an unsupervised embedding model built on search queries with travel intent.
The Patient Needs Emergency Surgery and is Under Treatment with Non-vitamin K Antagonist Oral Anticoagulants : What Shall We Do ?

Introduction: A characteristic feature of emergency surgery is its limitation in patient preparation. It is difficult, and often impossible, to eliminate certain patient-dependent factors to reduce the operative risk. The effects of certain drugs in use by the patient, such as anticoagulant drugs, may be important in this respect. Among these anticoagulant drugs are the non-vitamin K antagonist oral anticoagulants (NOACs). Methods: In preparation for a lecture presentation in the XVII European Congress of Trauma and Emergency Surgery (Vienna, April 2016), the authors performed an Internet search using the terms “NOAC,” “new oral anticoagulant,” “direct oral anticoagulant,” and “emergency surgery” to gather scientific evidence with which to establish a collection of suggestions for the management of patients under anticoagulation with NOACs in the emergency setting. Conclusion: Data on the management of patients in the emergency setting undergoing treatment with anticoagulants are scarce and mainly based on information regarding routine preoperative approaches. Therefore, more scientific evidence is needed to establish appropriate guidelines that favor patients and are easy for caregivers to understand. The one consensus throughout the literature is that the reversal of NOACs is to be carried out with the administration of PCC.
From Metapopulations to Metacommunities: Linking Theory with Empirical Observations of the Spatial Population Dynamics of Stream Fishes

Stream fishes carry out their life histories across broad spatial and temporal scales, leading to spatially structured populations. Therefore, incorporat - ing metapopulation dynamics into models of stream fish populations may improve our ability to understand mechanisms regulating them. First, we reviewed empiri - cal research on metapopulation dynamics in the stream fish ecology literature and found 31 papers that used the metapopulation framework. The majority of papers applied no specific metapopulation model, or included space only implicitly. Al - though parameterization of spatially realistic models is challenging, we suggest that stream fish ecologists should incorporate space into models and recognize that metapopulation types may change across scales. Second, we considered metacom- munity theory, which addresses how trade-offs among dispersal, environmental heterogeneity, and biotic interactions structure communities across spatial scales. There are no explicit tests of metacommunity theory using stream fishes to date, so we used data from our research in a Great Plains stream to test the utility of these paradigms. We found that this plains fish metacommunity was structured mainly by spatial factors related to dispersal opportunity and, to a lesser extent, by environ- mental heterogeneity. Currently, metacommunity models are more heuristic than predictive. Therefore, we propose that future stream fish metacommunity research should focus on developing testable hypotheses that incorporate stream fish life history attributes, and seasonal environmental variability, across spatial scales. This emerging body of research is likely to be valuable not only for basic stream fish eco -
Using Smart Scheduling to Reduce the Negative Impacts of Instrumentation-based Defenses on Embedded Systems

Real-time embedded systems can be found in a large number of devices we use, including safety-critical systems. Useful for their small size and low power consumption, they are also harder to protect against state-of-the-art attacks than general purpose systems due to their lack of hardware features. Even current defenses may not be applicable since instrumentation added to defend real-time embedded systems may cause them to miss their deadlines, rending them inoperable. We show that the static properties obtained by the scheduling policies can be used as security guarantees for the tasks composing the program. By completely securing a subset of the tasks of the program only using the scheduler policy, we remove the need to add external instrumentation on these tasks, reducing the amount of extra instructions needed to entirely protect the system. With less instrumentation, the overhead added by the defenses is reduced and can therefore be applied to a larger number of systems.
The Impact of Parental Psychological Control on College Students’ Relational Aggression and Friendship Quality

The present study investigated the relationships between parental psychological control and college students’ relational aggression and friendship quality. Based on previous research, it was expected that parents’ use of psychological control would be associated with students’ increased use of relational aggression with peers and lower friendship quality. Students completed a series of survey measures assessing their mothers’ and fathers’ use of psychological control, behavioral control, and warmth/acceptance. Students also completed a series of survey measures assessing their friendship quality, social skills, relational aggression, self-esteem, and social desirability. The study’s findings revealed that parental psychological control was associated with and predicted students’ increased use of relational aggression with peers. Parental psychological control was also associated with students’ lower friendship quality. However, parents’ use of psychological control did not predict students’ friendship quality after accounting for the influence of students’ personal and peer relationship variables. This finding suggests that characteristics of peer relationships may play a larger role than parenting behaviors in shaping college students’ friendships. The study also found that students who displayed higher levels of relational aggression had lower quality friendships. Other findings revealed that the relationship between parental psychological control and students’ friendship quality can be partially explained by students’ use of relational aggression with peers. Students’ friendship quality can also help to explain the influence of parental psychological control on students’ relational aggression.
S-IIO-1-10-Analysis of gene expression during root development implies the distinct gene regulation between root tissues

Cassava is known as a starchy crop that provides carbohydrate source for human and animals. In contrast with its importance to the world living community, the regulation in cassava root development is poorly understood. Recently, cDNA-Amplified Fragment Length Polymorphism (cDNA-AFLP) was employed to investigate gene expression during cassava root development, by which the highly expressed genes in root were identified. We here extended the cDNA-AFLP study by performing statistical analysis of the expression profiles of the 37 genes, selected from the results of cDNA-AFLP to be re-measured through real-time RT-PCR. The results showed that 14 genes can be classified as the significant genes expressed in root during developmental stages. These genes are mostly involved in cellular metabolism and biosynthesis, stress response, hypothetical protein, and cell growth and division. In addition, it was found that five of fourteen genes show high expression specifically to root cortex, while the other three of fourteen genes show parenchyma-specific. Furthermore, Pearson correlation analysis exhibited the distinct relationship between significant genes in both root tissues, suggesting the different gene regulation occurring in the different types of developmental stage of cassava root tissues. The findings are expected to help unwind the gene regulation controlling cassava root development, at least in part of genes under the scope of study.
Global Sea Surface Temperature Analyses: Multiple Problems and Their Implications for Climate Analysis, Modeling, and Reanalysis

A comprehensive comparison is made among four sea surface temperature (SST) datasets: the optimum interpolation (OI) and the empirical orthogonal function reconstructed SST analyses from the National Centers for Environmental Prediction (NCEP), the Global Sea-Ice and SST dataset (GISST, version 2.3b) from the United Kingdom Meteorological Office, and the optimal smoothing SST analysis from the Lamont-Doherty Earth Observatory (LDEO). Significant differences exist between the GISST and NCEP 1961–90 SST climatologies, especially in the marginal sea-ice zones and in regions of important small-scale features, such as the Gulf Stream, which are better resolved by the NCEP product. Significant differences also exist in the SST anomalies that relate strongly to the number of in situ observations available. In recent years, correlations between monthly anomalies are less than 0.75 south of about 10°N and are lower still over the southern oceans and parts of the tropical Pacific where root-mean-square differences .
Evidences from link between quality and loyalty in e- service: an empirical study

There has been a lot of research validating the link between service quality and customer loyalty in traditional (bricks-and-mortar) services. However, despite the strong growth of eservices in recent years, there is still little rigorous empirical research examining this link in such settings. The interest in examining this link in an e-service setting is in validating eservice quality as a lever that managers of e-service operations can employ to drive customer loyalty and, ultimately, profitability. Based on data from an online questionnaire of customers of an e-banking service, this study employs structural equation modelling to examine the link between web site quality and customer loyalty. We found a strong and significant link between the two constructs, suggesting that this relationship also holds in eservice settings. This is an important result, given that loyalty has been generally considered harder to achieve in e-services than in traditional services.
Closed-form Dispersion Models for Propagation Characteristics of Slot-line in Lossy Media with Conductor Thickness

The CAD oriented closed-form model is presented to compute frequency dependent effective relative permittivity and characteristic impedance of a slot-line with finite conductor thickness in the range m m μ μ 50 3 − . The model has average accuracy of about 2% against the full-wave results from different sources in the frequency range 2GHz-60GHz, , 20 22 . 2 ≤ ≤ r e , 0 . 1 / 02 . 0 ≤ ≤ h w ) 1 ( / 25 . 0 / 01 . 0 0 − ≤ ≤ r h e λ . The dielectric loss and conductor loss for slot lines have been computed using the closed-form model. The results have been verified and are found to be in excellent agreement with the practical and theoretical data available in the literature.
Heavy metal pollution and identification of their sources in soil over Sangan iron-mining region, NE Iran

The aim of this study was to determine the extent of metal pollutions and the identification of their major sources in the vicinity of the Sangan iron mine occurring in NE Iran. Soil samples were collected from the vicinity of the mine site and analyzed for heavy metals. In addition, the chemical speciation of these metals was investigated by means of the sequential extraction procedure. The statistical and spatial variability of the metal concentrations and other soil parameters were also analyzed by the multivariate statistical methods (principal component analysis and cluster analysis). Contaminant Factor (CF) and Enrichment Factor (EF) were used to evaluate soil pollution in the samples. By this study, one can conclude that a notable enrichment of heavy metals happened in the margin of the mining area. The data obtained reveal that soils in the area are contaminated, showing higher levels of Fe, Sn, Co, Cu, Sb, S, and Cd in comparison with their normal distributions. The results of sequential extraction analysis and multivariate (geo)statistical methods show that the variability of Fe, Sn, Co, Cu, Sb, S, and Cd is predominately controlled by the anthropogenic source (mining activity), whereas Pb, Cr, and Zn are mainly of natural (geogenic) origin.
Chorus acceleration of radiation belt relativistic electrons during March 2013 geomagnetic storm

The recent launching of Van Allen probes provides an unprecedent opportunity to investigate variations of the radiation belt relativistic electrons. During the 17–19 March 2013 storm, the Van Allen probes simultaneously detected strong chorus waves and substantial increases in fluxes of relativistic (2 − 4.5 MeV) electrons around L = 4.5. Chorus waves occurred within the lower band 0.1–0.5fce (the electron equatorial gyrofrequency), with a peak spectral density ∼10−4 nT2/Hz. Correspondingly, relativistic electron fluxes increased by a factor of 102–103 during the recovery phase compared to the main phase levels. By means of a Gaussian fit to the observed chorus spectra, the drift and bounce‐averaged diffusion coefficients are calculated and then used to solve a 2‐D Fokker‐Planck diffusion equation. Numerical simulations demonstrate that the lower‐band chorus waves indeed produce such huge enhancements in relativistic electron fluxes within 15 h, fitting well with the observation.
Priests, Presbyteres and Paradoxes

this paper draws from a larger study on married Greek orthodox clergy and the problem of role ambiguity and confusion encountered in their ministry. a pattern of ownership emerged, where clergy owned the “position” of Priest and Presbytera, but not all the roles which are contested among the clergy, such as the Church hierarchy and parishioners. this paper posits that the major contributing factor is the conflation of “role” and “position” and that this confusion creates paradoxes. this paper aims to raise awareness of these paradoxes and the problems they cause.
Accuracy Evaluation of a Regional Geomagnetic Field Model around Japan: Affectivity of Sites Deployed by DPRI

地球主磁場の空間分布についてのいくつかの仮定にもとづき，観測所データをもとに構成可能な日本周辺の地域地磁気モデルの決定精度を評価した。 地域地磁気モデルは，地磁気変化のなかから地殻活動起源のわずかな変化を抽出するための基準として用いられるものであり，1 nT よりも高い精度が求められる。 評価の結果，西日本におけるモデルの精度が不十分であることが示された。 防災研究所が展開する地磁気観測点のなかでは，鳥取観測点の位置におけるモデル決定精度がもっとも低く，同観測点における地磁気観測が日本周辺の地域地磁気モデルの精度向上のために最重要であることが結論される。
Nutrigenomics in cancer prevention and therapeutic strategies

As an increasingly prevalent disease and a leading cause of death, cancer is a major threat to human health. Although cancer research has provided us with a better understanding of cancer biology, we still face numerous challenges in cancer treatment and prevention. Current therapies are largely limited to surgery, radiation therapy, and chemotherapy, which remain unsatisfactory. In particular, there are many problems in chemotherapy, such as low response rate, poor specificity, drug resistance, and severe side effects. Thus, we still have much to do in order to improve the current situation. It is our priority to identify and develop alternative treatment options that can increase efficacy, reduce side effects, and improve quality of life for cancer patients. In this context, nutrigenomics is emerging as a field that holds great promise for this endeavor because of its capability to modulate cancer metabolism and tumorigenesis through nutritional intervention. The crucial role of nutrigenomics in the field of cancer therapy is apparent. By elucidating the network of nutrient-gene interactions related to cancer, we can ultimately synthesize this information into integrated metabolic interventions for cancer therapy. As these nutritional interventions can target multiple mechanisms, they could prove to be more effective than conventional therapies – in addition to being safer, more cost-effective, and more accessible for cancer patients. However, to implement nutrigenomics for cancer therapy, much translational research is still to be done. It is particularly important to develop clinically effective dietary protocols and supplement formulas for specific conditions as well as biomarkers to identify utility criteria and monitor efficacy. Nutrigenomics therefore offers a novel approach to cancer management; conversely, cancer therapy is a critical field for the practice of nutrigenomics.
Determinants of decision and participation of rural youth in agricultural production: a case study of youth in Southern region of Nigeria

Evidence of labour constrained in the rural area and increasing rural -urban migration as well as mounting youth unemployment in urban areas of the Southern of Nigeria drove our interest to analyze youth involvement in agricultural activities in the region. Specifically, the study determined factors that modeled rural youth decision and participation in agricultural activities in the Southern region of Nigeria. Data were collected from 300 youth spread across the rural areas of Akwa Ibom State, one of the States in the region. Combinations of sampling methods were used to collect data for the study. Analytical tools used were descriptive and regression analysis (the Logit and Poisson regression). The Logit model estimates revealed that years of youth in social organization, access to ICT, nature of land ownership, and youth access to state owned agricultural programme were positive determined of decision of youth to engage in agricultural activities in the study area. On the contrary, male youth, years of formal education and marital status of youth were negative determinants. The Poisson estimates showed that, youth age, number of extension visit and years in social organization as well as purpose of farming were positive drivers of youth participation (numbers of hours spent in farm per day) in agricultural activities in the rural areas. On the other hand, years of formal education, farm income of previous farming season, land ownership and access to credit triggered youth participation negatively. Perceived constraints to youth involvement in agricultural activities were; insufficient initial capital, insufficient credit facility, poor storage facility, poor access to tractors and inadequate farm land among others. In order to increase youth involvement in agricultural activities in the rural areas, it is recommended that, stake holders should endeavor to provide storage facilities in the rural area to reduce the post-harvest losses. Communities in the rural area should support youth farmers through land donation. In addition government should empowered and strengthen youth groups or social capital formation in the rural Communities. State extension system should be strengthened to deliver more efficient services to youth farmers in the rural areas.