Miracle-dz/UniFAR-FTUs huggingface dataset:
Mango Wine Production, by an Easy Fermentation and Distillation Procedure, Using the Surplus or Rejected Fruit, Produced in Sinaloa, Mexico

The aim of this work, was elaborate mango wines using rejected or surpluses fruit. Every year in Sinaloa, Mexico, there is 15-20% unutilized mango due to these causes, generating economic losses to producers. Mango juice was prepared crushing fruit slices, cane sugar and drinking water for obtain a juice with 17-19 o Brix of soluble sugars; after, juice was pasteurized. Yeasts were added to pasteurized juice, pH adjusted to 3.5-4.0 and fermented in a 3.78 litre (L) glass fermenter until alcohol production ended. Fermented liquid was distilled into glass distiller. To optimize this process several assays were performed and then, process was scaled to 50 L, using a stainless steel fermenter and a distiller attached to fermenter. To eliminate methanol, formaldehyde, and some superior alcohols, column temperature was controlled; into 75 to 82 o C. After, these compounds were analysed by GC. Bottles of 250 and 500 ml were partially filled with distilled, then full with mango extract and drinking water at diverse proportions; so, wines of 13 and 18% (alcohol vol.), were obtained. A sensory panel was performed to evaluate wines attributes: colour, clarity, aroma, flavour, etc. Results ranged from good to very good. Also, alcohol amount/mango kg was 67 to 72 ml; higher than obtained from papaya, banana and watermelon. A gross economic analysis, gave a gains around $ 4 US; since from 1 distillate L, 3 or 5 bottles of wines 18 or 13% (alcohol vol.) were obtained, using surplus or rejected fruit, and so decreased losses for producer.
Multi-models of Educational Data Mining for Predicting Student Performance in Mathematics: A Case Study on High Schools in Cambodia

Education is crucial for the development of any country. Analysis of education datasets requires effective algorithms to extract hidden information and gain the fruitful results to improve academic performance. Multiple models were used to maximize the contribution to the education environment. In this study, we used the spot-checking algorithm to compare these methods and find the most effective method. We propose three main classes of education research tools: a statistical analysis method, machine learning algorithms, and a deep learning framework. The data were obtained from many high schools in Cambodia. We introduced feature selection techniques to figure out the informative features that affect the future performance of students in mathematics. The proposed ensemble methods of tree-based classifiers provide satisfiying results, and in that, random forest algorithm generates the highest accuracy and the lowest predictive mean squared error, thus showing potential in this prediction and classification problem. The results from this work can be used as recipe and recommendation for mining various material settings in improving high school student performance in Cambodia.
Estimation of seismic site effect at the new Tiba City proposed extension, Luxor, Egypt

ABSTRACT The Horizontal-to-Vertical Spectral Ratio (HVSR) technique is one of the most suitable tools for estimating the geological effect on ground motion. The main target of this study is to estimate the site effect and the fragility index value at the new Tiba City proposed extension. To achieve these targets, 21 ambient vibration recordings were conducted with 1 km grid to cover the investigated area. The estimated predominant frequency (f0) distribution is a relative uniform and occurs at low frequency, ranging from 0.35 to 0.75 Hz and its maximum corresponding amplitude of seismic wave (A0) starts from 3.1 up to 6.5. The qualitative interpretation of loose sedimentary cover thickness is large (136 to 410 m with average ~270 m) that coincided with occurrence of (f0) at low level. The fragility index for the ground (Kg) at each measured site was computed depending on the estimated H/V amplitude and corresponding (f0), and found to range from 17 to 118 across the investigated area. The highest values of Kg were obviously found in the northeastern part of the proposed site, where the highest amplification factor and the lowest fundamental frequency are found.
Resource selection by coyotes (Canis latrans) in a longleaf pine (Pinus palustris) ecosystem: effects of anthropogenic fires and landscape features

Prescribed fire is used to restore and maintain fire-dependent forest communities. Because fire affects food and cover resources, fire-mediated resource selection has been documented for many wildlife species. The first step in understanding these interactions is to understand resource selection of the predators in a fire-maintained system. We attached GPS radio collars to 27 coyotes (Canis latrans Say, 1823) and examined resource selection relative to fire-maintained vegetation types, years since fire, anthropogenic features that facilitate prescribed burning, and other landscape features likely to affect coyote resource selection. Coyote home ranges were characterized by more open vegetation types and more recently burned forest (i.e., burned 0–1 year prior) than available on the study area. Within their home ranges, coyotes avoided areas close to densely vegetated drainages and paved roads. Coyote selection of more recently burned forest likely was in response to greater prey density or increased ability to detect prey soon after vegetation cover was reduced by fires; similarly, coyotes likely avoided drainages due to decreased hunting efficiency. Coyote resource selection was linked to prescribed fire, suggesting the interaction between fire and coyotes may influence ecosystem function in fire-dependent forests.
Factors Impacting Tanzanian Rural and Peri-urban Drug Dispensaries’ Perceived Benefits from Using an mHealth Reporting System

This study examines the factors impacting Tanzanian drug dispensaries’ perceptions of the potential benefits of using a mobile health (mHealth) reporting system. Since 2003, the Government of Tanzania has implemented its Accredited Drug Dispensing Outlet (ADDO) programme in support of dispensaries in underserved rural and peri-urban areas. A core element of this ADDO programme is the dispensary use of an mHealth application for reporting on the drugs they are dispensing and the medical conditions that are being treated. This study canvassed the views of ADDO programme dispensaries using the mHealth reporting system in the Iringa, Mbeya, and Njombe Regions, through a survey questionnaire completed by 318 dispensaries and focus group discussions with 38 dispensary personnel. The data revealed that four factors—system quality, information quality, service quality, and price value—are all having a statistically significant impact on dispensaries’ perceptions of the potential benefits of using the mHealth system.
Status and origin of Egyptian local rabbits in comparison with Spanish common rabbits using mitochondrial DNA sequence analysis

Mitochondrial DNA (mtDNA) and cytochrome b (cyt b) gene sequences were used to determine the status of genetic diversity and phylogeny for 132 individuals from local rabbit breeds in Egypt and Spain. The Egyptian local rabbit breeds were Egyptian Red Baladi (ERB), Egyptian Black Baladi (EBB) and Egyptian Gabali Sinai (EGS). However, the Spanish local rabbit breed was Spanish common rabbit (SCR). Previous breeds were compared with European Wild Rabbit taken from Albacete, Spain (EWR). A total of 353 mutations, 290 polymorphic sites, 14 haplotypes, 0.06126 haplotype diversity and –1.900 (P<0.05) for Tajima’s D were defined in this study. Haplotype A mostly occurred in 83.3% of Egyptian rabbits and 11.7 % of EWR, while haplotype B occurred in 63.8% of Spanish rabbits and 36.2% of the EGS breed. A total of 47 domestic and wild Oryctolagus cuniculus published sequences were used to investigate the origin and relation among the rabbit breeds tested in this study. The most common haplotype (A) was combined with 44.7% of published sequences. However, haplotype B was combined with 8.5%. Haplotypes of Egyptian, SCR and EWR were scattered in cluster 1, while we found only one EGS haplotype with two haplotypes of EWR in cluster 2. Our results assumed that genetic diversity for ERB, EBB and SCR was very low. Egyptian breeds and SCR were introduced from European rabbits. We found that ERB and EBB belong to one breed.
Competition between vacuolated and mixotrophic unicellular plankton

Trait-based ecology allows much of the complexity of ecosystems to be projected onto a low-dimensional trait space. We conjecture that three key traits capture the main aspects of diversity of unicellular planktonic organisms: cell size, trophic strategies (relative investment in photosynthesis and phagotrophy) and vacuolation. The three selected traits are representative of two groups: mixotrophic protists, which in addition to phototrophy, use phagotrophic grazing as a food source, and diatoms that use fluid-filled vacuoles to increase their physical size relative to carbon biomass. We construct a trait-based model related to the three traits and determine the optimal trait values of cells of a given carbon size in a given environment. We also perform fully dynamic simulations to study the self-assembled trait distribution at steady state and throughout a seasonal cycle. Diatoms’ strategy is shown to be advantageous among small cells and under early spring conditions, in which highly vacuolated diatoms are simulated, while mixotrophy is dominant among larger cells when nutrients are limiting (summer conditions). The novelty of this approach lies in the mechanistic understanding of plankton physiology that is successfully used to capture how community trait structure emerges from trade-offs that constrain the different strategy among unicellular plankton.
Plasmacytoid dendritic cells are functionally exhausted while non-haematopoietic sources of type I interferon dominate human autoimmunity

Autoimmune connective tissue diseases arise in a stepwise fashion from asymptomatic preclinical autoimmunity. Type I interferons (IFNs) have a crucial role in the progression to established autoimmune diseases such as systemic lupus erythematosus (SLE). However, their cellular source and regulation in disease initiation are unclear. The current paradigm suggests that plasmacytoid dendritic cells (pDCs) are activated in SLE contributing to excessive IFN production. Here, we show that in preclinical autoimmunity, established SLE, and primary Sjögren’s Syndrome, pDCs are not effector cells, but rather have lost their capacity for TLR-mediated IFN-α and TNF production and fail to induce T cell activation, independently of disease activity and blood IFN signature. In addition, pDCs present a transcriptional signature of cellular stress and senescence accompanied by increased telomere erosion. Instead, we demonstrate a marked enrichment of IFN signature in non-lesional skin in preclinical autoimmunity. In these individuals and SLE patients, type I IFNs were abundantly produced by keratinocytes in the absence of infiltrating leucocytes. These findings revise our understanding of the role of IFN in the initiation of human autoimmunity, with non-haematopoietic tissues perpetuating IFN responses, which in turn predict clinical disease. These data indicate potential therapeutic targets outside the conventional immune system for treatment and prevention.
Family businesses in North Macedonia: evidence on the second generation motivation and entrepreneurial mindset

PurposeThe purpose of this paper is to portray the motivation, willingness and entrepreneurial mindset of second generation in family businesses in North Macedonia.Design/methodology/approachFor purposes of this study, 25 interviews were conducted, where 14 interviews were conducted by phone, six face to face and five interviews in a written form. The process of data collection lasts 15 days. From the sample, 21 were Albanians and four were Macedonians, with this mix of ethnicities the authors had a chance to see different opinions for the same questions.FindingsThe authors found that most of second-generation members were happy and motivated for being part of their family business, except three participants those were imposed to their family business. Also, most of them possess entrepreneurial mindset, motivation, innovative ideas and risk-taker attributes.Research limitations/implicationsIn this research were included only few cities of North Macedonia and the number of the sample is limited, due to the COVID-19 situation. Another limitation is that the study is done only with two nationalities.Originality/valueThere are a very few papers that treat family businesses in North Macedonia, and this is the only one that treats motivation, willingness and entrepreneurial mindset of second-generation members of family businesses in this country and the region.
Challenges in the Implementation of Performance Management System in Namibian Public Sector

Organizational performance of the management system helps top management achieve strategic business objectives and goals. It provides valid and useful information for making strategic decisions concerning employees. It includes information on employee’ performance, and organizational and supervisor’s expectations. Despite the benefits arising from the implementation of a well-designed performance management system, the public sector in Namibia still faces challenges when it comes to its realization. It is against this background that this study aimed to investigate the challenges faced by the public sector in the implementation of a performance management system in Namibia. The study used a qualitative research method and collected data through interviews. The sample consists of 42 participants. The data gathered was reviewed against the literature on the subject. The thematic data analysis technique was used to analyze the data, where core topics emerging from the discussion and interviews were grouped and analyzed. This research identifies a lack of training and proper orientation in performance management as primary challenges in adopting a performance management system in the public sector. The other contributing factors include inadequate monitoring and evaluation, the shortage of policies supporting the implementation process, poor communication in performance planning, performance reviews, poor feedback on performance and lack of employee involvement in the implementation of the performance management system. Hence, management should provide training and workshops to sensitize the employees on the aims and benefits of a performance management system and develop policies to enforce compliance in the public sector.
Phenotypic and molecular characterization of polyploidy Vicia faba induced by colchicine

To induce polyploidy in diploid control plant of Vicia faba, seeds were socked in various concentrations of colchicine (0.1, 0.2, 0.3 and 0.4 %) for 9 and18 h. Putative ploidy plants were conﬁrmed by screening morphological characters, measuring DNA content via spectrophotometer and analyzing stomatal behavior. Polyploidy plants showed slower growth rate along with increased potency and thickened large leaves. Three types of polyploidy were achieved; triploid, tetraploid and mixoploid. In induced polyploid plants, the length and width of stomata were increased, while the index of stomata was declined, in comparison to the initial diploid plants. Treatment with 0.3 and 0.4 % colchicine for 9 and 18 h were efficiently induced polyploidy. The highest stomatal size (22.53 µm) and widest stomatal aperture (9.72 µm) and the lowest stomatal index (34.24) where obtained when 0.4 % of colchicine where applied at 18hr tested time with high significant differences at p
Remedial Effect of Intravenous Cyclophosphamide in Corticosteroid-Refractory Patients in the Acute Phase of Neuromyelitis Optica Spectrum Disorder-Related Optic Neuritis

Background: To investigate the remedial efficacy and safety of intravenous cyclophosphamide (CP) in the acute phase in patients with neuromyelitis optica spectrum disorder-related optic neuritis (NMOSD-ON) who are refractory to intravenous methylprednisolone (MP) treatment. Design: This study was a single-center, retrospective, observational case-control cohort study. Methods: Thirty-six patients who had acute NMOSD-ON attacks and were refractory to MP treatment were included. Patents were divided into two groups: the remedial CP group, and the MP group. The best-corrected visual acuity (BCVA), mean deviation (MD) of the visual field (VF), visual evoked potential amplitude (VEP-A), visual evoked potential latency (VEP-T), and average thickness of the retinal nerve fiber layer (RNFL) at onset, 1 month (m), 3 m, and 6 m after the attack were analyzed. Routine blood test results, liver and kidney function, routine urinalysis results and general condition were analyzed for safety issues at each follow-up. Fisher's exact test, the Mann-Whitney U test, the Kruskal-Wallis test and the Wilcoxon rank-sum test were used for statistical analysis. Results: The remedial CP group showed significant improvement over 6 m with regard to BCVA and MD (P < 0.05),whereas MP group only showed significant improvement in MD (P < 0.05). Regarding remedial CP intervention time window, the CP ≤ 30 days group showed significant improvement over 6 m with regard to BCVA (P = 0.002), MD (P = 0.003), and VEP-A (P = 0.036), while those CP > 30 days group did not. Both two subgroups showed significantly RNFL thickness reduction, however, BCVA, MD, VEP-A, VEP-T, and RNFL thickness showed no significant differences between the two subgroups at any follow-up point (P > 0.05). Conclusion: CP within 30 days of attack onset is safe and might have a beneficial degree of therapeutic efficacy for acute-phase treatment of NMOSD-ON that is refractory to MP treatment alone.
Potential Applications of Biogas Produced in Small-Scale UASB-Based Sewage Treatment Plants in Brazil

Rural sanitation is still a challenge in developing countries, such as Brazil, where the majority population live with inadequate services, compromising public health and environmental safety. In this context, this study analyzed the demographic density of these rural agglomerations using secondary data from the Brazilian Institute of Geography and Statistics (IBGE). The goal was to identify the possibilities associated with using small-scale upflow anaerobic sludge blanket (UASB) reactors for sewage treatment, mainly focusing on biogas production and its conversion into energy for cooking, water heating and sludge sanitization. Results showed that most rural agglomerations lacking the appropriate sewage treatment were predominant from 500 to 1500 inhabitants in both northern and southern Brazilian regions. The thermal energy available in the biogas would be enough to sanitize the whole amount of sludge produced in the sewage treatment plants (STPs), producing biosolids for agricultural purposes. Furthermore, the surplus of thermal energy (after sludge sanitization) could be routed for cooking (replacing LPG) and for water heating (replacing electricity) in the northern and southern regions, respectively. This would benefit more than 200,000 families throughout rural areas of the country. Besides the direct social gains derived from the practice of supplying biogas for domestic uses in the vicinity of the STPs, there would be tremendous indirect gains related to the avoidance of greenhouse gas (GHG) emissions. Therefore, an anaerobic-based sewage treatment may improve public health conditions, life quality and generate added value products in Brazilian rural areas.
A Non-Linear Improved Double-Integral Sliding Mode Controller (IDI-SMC) for Modeling and Simulation of 6 (DOF) Quadrotor system

Due to recent technological achievements, modeling and simulation of Unmanned Aerial Vehicles (UAVs) such as Quadrotor contracted great potential. In this paper, the Improved Double-Integral Sliding Mode Controller (IDI-SMC) scheme is presented to cope with the problem like chattering and tracking. Under-actuated six Degree Of Freedom (DOF) Quadrotor model is formulated through Newton-Euler-Lagrange (NEL) equations. The idea of design (IDI-SMC) is to implement Double Sliding Mode control with proper coefficient scheduling for switching surface with Hurwitz stability criteria. Furthermore, introducing the strong condition of the sliding surface made the results and Simulations became more efficient with Hurwitz stability for both translational and rotational motion of the 6 DOF Quadrotor system is achieved to show the effectiveness of the proposed design controller.
Performance optimization of energy harvesting solutions for 0.18um CMOS circuits in embedded electronics design

Abstract The performance and potential of energy-harvesting devices depend strongly on the performance and specific properties of materials and used technology. The recent explosion in capability of embedded electronics has not been matched by battery technology. The slow growth of battery energy density has limited device lifetime and added volume and weight. The amount of energy from harvesting is typically small and variable, requiring circuits and architectures which are low power and can scale their power consumption with user requirements and available energy. The energy harvesting research falls into two key areas. One is developing optimal structures of energy harvesting and the other is designing electronic circuits that are efficient enough to store the generated charge. Optimization of microelectronic devices to reduce energy consumption, while all devices strive to achieve good efficiency, balancing performance and power consumption, the application area will dictate design constraints such as size, energy budget, and maximum power. Regarding the research area of optimal design of electronic circuits, a highly efficient CMOS rectifier for vibrational energy harvesting system is proposed. Based on the design considerations, rectifier plays an important role in the application of energy harvesting system and wireless power transfer system. So, the performance of the rectifier decides the efficiency of the system. The proposed low voltage Rectifier is designed for operating frequency of 13.56 MHz using two-stage structure and an Improved precision active diode under a standard 0.18um CMOS process can perform the minimum operating voltage is lower than previous published paper and the rectifier can work at a wide range of input voltage amplitudes of 0.45 V up to 1.95 V. So, the proposed rectifier is suitable to work in Different Types of vibrational energy harvesting system, Electrostatic Energy harvester, Electromagnetic Energy Harvester, Piezoelectric Energy Harvester. The proposed rectifier can achieve peak voltage conversion efficiency of over 81% and power efficiency over 79%. Simulated power consumption of the rectifier is 0.23uW, which is about 28% smaller than the best recently published results.