Miracle-dz/UniFAR-FTUs huggingface dataset:
LIQUID FUELS-FIRED POROUS BURNER

Abstract This article presents an experimental study of evaporation and combustion in porous media without atomization of the liquid fuel (kerosene). The concept is called a liquid fuels-fired porous burner (LFPB). This concept is based on the evaporation of the liquid fuel in an upstream porous matrix, a subsequent mixing with the combustion air in a swirling chamber and the final combustion in a downstream porous matrix. The evaporation is maintained by the upstream heat transfer from the combustion zone or the downstream porous matrix to the evaporation zone in the upstream porous matrix. The major innovation of the study will be to show that the LFPB technology is able to replace conventional spray burners. Practical applications of this new combustion system are suggested.
Caracterização físico-química de novos híbridos de abacaxi resistentes à fusariose

Five pineapple genotypes (Gold, Perola, Smooth Cayenne, BRS Vitoria and BRS Imperial and four new hybrids - SC x PRI-21, SC48 x PRI-02, PE x SC-73 and PA x PE-01), were evaluated for their physicochemical characteristics. The 'Gold' cultivar presented the highest contents of total carotenoids (7.82mg g-1) and vitamin C (51.0mg 100g-1), whereas the 'BRS' Imperial stood out for its high levels of reducing (5.12%) and total (15.23%) sugars, soluble solids (18.41°Brix), pH (3.96) and ratio (35.28). Improved hybrids SC 48 x PRI-02, PE x SC-73 and PA x PE-01 had the soluble solids, reducing and total sugars contents higher than those of cultivars 'Smooth Cayenne', 'BRS Vitoria' and 'Perola', highlighting the 'PE x SC-73' hybrid for its pulp of intense yellow color, high sweetness, high content of total carotenoids and vitamin C and which was considered as a promising hybrid to replace commercial cultivars.
Fast reverse osmosis using boron nitride and carbon nanotubes

We investigate reverse osmosis through commonly used polymeric and advanced inorganic nanotube based semipermeable membranes by performing nonequilibrium molecular dynamics simulations. Simulations indicate that there is a significantly higher water flux through boron-nitride nanotube (BNNT) and carbon nanotube (CNT) compared to a polymethyl methacrylate (PMMA) pore, and a slightly higher water flux through BNNT as compared to CNT. The calculated permeation coefficient is in reasonable agreement with the theoretical single-file “hopping” model. Potential of mean force analysis indicates that the irregular nature of PMMA pore surface can cause significant localized energy barriers inside the pore, thereby reducing the water flux.
The RoboCup Logistics League from a Planning Perspective

Industry 4.0 raises the need for complex autonomous system. Smart factories, which make use of ﬂexible and autonomous agents to organize the production chains, require some efforts for the integration of many topics from Robotics and Artiﬁcial Intelligence (AI). For this reason, the RoboCup Logistic League (RCLL) was created as a Flexible Production testbed for researchers working on these ﬁelds and to give the opportunity to different scientiﬁc communities to foster integration be-tween their subjects. Among the others, planning and scheduling is a branch of AI which is crucial for the organization and execution of the workﬂow in smart production and logistics environment. In this paper the RCLL is investigated from this perspective to understand if and how it drives advanced planning approaches in production scenarios. Based on that evaluation a set of proposals is presented to foster discussion on how the competition can be improved for a better exchange with the planning community.
Implementation of Face Spoof Recognization by Using Image Distortion Analysis

- Automatic face recognition is now widely used in applications ranging from deduplication of identity to authentication of mobile payment. This popularity of face recognition has raised concerns about face spoof attacks (also known as biometric sensor presentation attacks), where a photo or video of an authorized person’s face could be used to gain access to facilities or services. While a number of face spoof detection techniques have been proposed, their generalization ability has not been adequately addressed. We proposed an efficient and rather robust face spoof detection algorithm based on image distortion analysis (IDA). In this work we proposed Template matching algorithm for face recognization. Here we perform Face recognization by live streaming to improve the performance of the system. Here the image is given as input and facial features like eyes, nose, and mouth are extracted from the image. The proposed algorithm compares input images with stored patterns of face or features and collects the database. In this work we also implemented the detection medium for spoofing which detects the medium used for face spoofing like mobile, printed photo. The Experimental result shows that proposed algorithm gives better result than the existing methods use for face spoof recognization.
Otago Exercise Program (OEP): A Golden Technique on Health Status and Risk of Falls among Older Adults with Chronic Diseases

Background: Fall is a worldwide health problem, leading cause of disability, resulted from declining physical functionamong elderly people. Otago exercise is a strength and balance program designed to prevent falls and enhance health status among the elderly. Aim: to appraise the effect Otago Exercise Program (OEP) on health status and risk of fall among older adults with chronic disease. Design: A quasi-experimental research design was utilized. Setting: The study was conducted at outpatient clinics at Aswan University Hospital. Sampling: A purposive sample of 48 elderly patients was recruited in this study. Tools of data collection: Three tools were used. Tool I: A structured interview questionnaire sheet includes two parts; part 1.sociodemographiccharacteristics e.g. age, sex, education level, part (2): clinical data includehistory of medical diseases, mobility, activities of daily living and falling. Tool II: The short from 12 health survey (SF-12) to measure health status. Tool III: Timed Up and Go Test (TUGT) to measure risk of fall. Results: There was a statistically significant difference in both health status and risk of fall total scores among studied subjects pre and post OEP.Concerning predictors of health status, it was found that, OEP, arthritis and medication number were statistically significant predictors of health status (s= 0.624, p= 0.028), (s= -2.935, p= 0.014) & (s= -4.453, p=. 0.005) respectively. Meanwhile, fall predictors were OEP (s=-1.067, p= 0.011), age(s=0.246, p= 0.042),medication number (s= 6.763, p= 0.005)and frequencies of fall in the past year (s= 2.585, p= 0.010). Conclusion: The study concluded that application of OEP is appropriate way of improving health status and decreasing of risk of falls among older adults with chronic disease. Recommendation: This study recommended implementing OEP as part of routine primary care service provided for older adults.
Effect of Bio-Fertilizer, Organic and Mineral Fertilizaters on Soybean Yield and Nutrients Uptake under Sandy Soil Conditions

During the two consecutive summer seasons of 2015 and 2016 at Faculty of Agric. ; Damietta University, Damietta Governorate, Egypt, two pot experiments were conducted to examine the effect of phosphorus fertilization, organic fertilization and inoculation with Azotobacter as well as their interactions on nutrient uptake and yield of soybean plants (Glycine max L.). The experiment was performed using split-split plot design with 18 treatments in three replicates, three treatments of organic manure in form of chicken manure (without, 8 and 12 ton.fed-1) as the main plot, three rates of phosphorus fertilization (0, 36 and 54 kgp 2o5.fed-1) as subplot and all treatments were studied twice; once in the presence of Azotobacter strains inoculants and the other without it as sub-sub plot. Individual organic manure increased N, P and K uptake by the plant, yield and its component (100-seed, g/plant, seed yield, g/plant, pod length, cm and pods weight, g/plant) and chemical composition of seed (N, P, K, protein and total carbohydrates%). Obtained results declare that phosphorus fertilizer treatments at 54 kg P2O5.fed-1 recorded the highest values of the mentioned parameters. Bio-fertilizers increased the traits especially in presence of Azotobacter comparing with the un-inoculated plant. So, the interaction between 12 ton.fed-1 chicken manure and 54 kg.fed-1 P2O5 in presence of Azotobacter was the best treatment to achieve the highest values of parameters under investigation during two seasons.
!e Psychological Impact of Six Weeks of Lockdown as a Consequence of COVID-19 and the Importance of Social Support: A Cross-Cultural Study Comparing Spanish and Russian Populations

Background. e COVID-19 pandemic has been an unprecedented social and health emergency worldwide. Cross-cultural research on mental health during this situation is needed to better understand its consequences. Objective. To evaluate the di"erent psychological impacts of the crisis and lockdown situation during the #rst six weeks of COVID emergency measures in samples of the Spanish and Russian populations. Design. A cross-sectional study was conducted through an online survey (NSpain = 1041; NRussia = 743). e prevalence of loneliness, depression, anxiety, perceived discrimination (PD), internalized stigma (IS), and perceived social support (PSS) was evaluated. Chi-square tests and t-tests were administered. The Enter Method were used to identify the predictors of the mental health impact. Results. Di"erences were found between the Russian and the Spanish populations. While the degrees of anxiety and depression did not di"er signi#cantly, loneliness, the alienation dimension of IS, and PD were more pronounced in the Russian respondents. In Spain, the predictor of less negative impact was PSS from various sources, while in Russia we only found PSS from the family. Conclusion. Although in both countries the impact at the clinical level seemed to be similar, di"erences were found at the psychosocial level. Variables with a strong cultural component may be key to determining the means of alleviating the e"ects of the crisis, with PSS being a fundamental protective factor. More crosssectional studies are needed to understand the impact of the pandemic in depth.
A review of institutional response and Covid-19 pandemic risk communication in regional autonomy system in Indonesia

A global pandemic Covid-19 led countries to take aggressive action regarding social management and crisis governance management system. The case of a pandemic discovered in Wuhan provides a lesson for the government worldwide to adopt. However, the government system in every country has its characteristics. This study aims to release the potential policy recommendation in Indonesia when Indonesia's regional autonomy system faces a challenge in the pandemic situation, such as the increase of competition between regions. Even more, the public service system becomes concerned with the ego regionality. The strengthening country's capacity system is vital in the regional autonomy system as well as the collaboration between central and local government in terms of containment of the spread of the pandemic. Used a political ecology approach and a descriptive- review method, this study was conducted by discussing how the government responds in the regional autonomy system at the beginning of the pandemic situation. The review results show that the local government's response relies on their capacities, such as budget, human resources, and leadership. However, challenges arise when central and local governments' action is not in line in terms of the regional autonomy system. The public and political communication among central and local governments should be rearranged with an integration under proper management, particularly in the first month of the pandemic situation.
Indoor air quality implications of using ion generators in residences

SUMMARY Portable air cleaners are popular and heavily marketed devices that are sold to improve indoor air quality. One prominent air cleaning technology is ion generation, which can emit up to 5 mg/hr of ozone as a byproduct of its operation. The ozone emitted by ion generators can react with unsaturated organic compounds to form ultrafine and fine particles, as well as aldehydes and free radicals. This research experimentally characterizes the indoor air quality implications of an ion generator in a 27 m 3 residential room, with a matrix of four different room test configurations. Two of the tests had carpet (a likely ozone sink) in the room, and for one test with and without carpet, a popular plug-in air freshener was used as a source of terpenes. Each experiment lasted at least four days: two days of background measurements, and two days with an operating ion generator. Measurements included airborne sampling of size-resolved particulate matter (0.015–20 µm), C1-C10 aldehydes and terpenes, ozone concentrations, and air exchange rates. This study finds that the use of ion generators in the presence of a common air freshener can lead to a net increase in fine and ultrafine particulate matter (<0.5 ! m) and ozone, as well as formaldehyde and nonanal. This research allows exposure and health professionals to make justified recommendations about the use of these ozone-generating devices.
Halving balls by a hyperplane in deterministic linear time

Let $D$ be a set of $n$ pairwise disjoint unit balls in $R^d$ and $P$ the set of their centers. A hyperplane $H$ is an $m$-separator for $D$ if every closed halfspace bounded by $H$ contains at least $m$ points from $P$. This generalizes the notion of halving hyperplanes, which correspond to $n/2$-separators. The analogous notion for point sets is well studied. Separators have various applications, for instance, in divide-and-conquer schemes. In such a scheme, any ball that is intersected by the separating hyperplane may still interact with both sides of the partition. Therefore it is desirable that the separating hyperplane intersects a small number of balls only. We present three deterministic algorithms to bisect a given set of pairwise disjoint unit balls by a hyperplane. Firstly, we present a simple linear-time algorithm to construct an $\alpha n$-separator for balls in $R^d$, for any $0<\alpha<1/2$, that intersects at most $cn^{(d-1)/d}$ balls, for some constant $c$ that depends on $d$ and $\alpha$. The number of intersected balls is best possible up to the constant $c$. Secondly, we present a near-linear-time algorithm to construct an $(n/2-o(n))$-separator in $R^d$ that intersects $o(n)$ balls. Finally, we give a linear-time algorithm to construct a halving line in $\mathbb{R}^2$ for $P$ that intersects $O(n^{(2/3)+\epsilon})$ disks.We also point out how the above theorems can be generalized to more general classes of shapes, possibly with some overlap, and what are the limits of those generalizations.Our results improve the runtime of a disk sliding algorithm by Bereg, Dumitrescu and Pach. In addition, our results simplify and derandomize an algorithm to construct a space decomposition used by Loffler and Mulzer to construct an onion (convex layer) decomposition for imprecise points (any point resides at an unknown location within a given disk).
Characteristics and application of fish oil-in-water pickering emulsions structured with tea water-insoluble proteins/Îo-carrageenan complexes

Food-grade Pickering emulsions (PEs) stabilized by proteins and polysaccharides have enormous application potential for preparing oil gels. Tea water-insoluble protein (TWIP) and κ-carrageenan (KC) were applied to prepare fish oil-in-water PEs and fish oil gels to broaden the application of fish oils at different ratios of TWIPs and KC. The turbidity reduced, but particle size unchanged except that of TWIP/KC mixture at 80:20 and zeta potential was not altered with the addition of KC. The β-turn and random coil of TWIPs were transformed into β-sheet, α-helix and β-antiparallel due to the addition of KC. Besides, TWIPs clustered with the increase of KC content, especially at 80:20. The droplets of the PEs stabilized by TWIP/KC mixtures were relatively small and homogeneous and the viscoelastic behavior of them was improved compared with those stabilized by TWIPs only. Finally, fish oil gels prepared using PEs stabilized by TWIP/KC mixtures had solid-like behavior with a storage modulus of almost 200 kPa. Therefore, TWIP/KC mixtures can be applied to prepare stable PEs and fish oil gels utilizing PEs as templates. These findings will help explore new edible materials, construct novel colloid structures of underused edible materials and their eventual use in real food manufacture.
Comparison of Ultrasonography with Magnetic Resonance Imaging for the Diagnosis of Liver Steatosis

Comparison of Ultrasonography with Magnetic Resonance Imaging for the Diagnosis of Liver Steatosis Madiha M.Qureshi, Hassan Saleem, Raham Bacha, Rustam A. Shah Bachelors in Radiology, Shifa Tameer-e-Millat University, Islamabad, Masters of Science in Medical Ultrasound, the University of Lahore, Lahore, Pakistan MBBS, FCPS, FRCR Radiology, The Royal College of Radiologists, UK, College of Physicians & Surgeons Pakistan, Karachi, Islamabad Diagnostic Centre, Islamabad, Pakistan MD, PhD Ultrasound Scholar, the University of Lahore, Lahore, Pakistan MBBS, FCPS Radiology, Shifa International Hospital, Islamabad, College of Physicians & Surgeons Pakistan, Karachi, Islamabad Diagnostic Centre, Islamabad, Pakistan
An Evaluation of a Two-Stage Spiral Processing Ultrafine Bituminous Coal

Testing was conducted to evaluate the performance of a multistage Multotec SX7 spiral concentrator treating ultrafine bituminous coal. This spiral mimics a two-stage separation in that the refuse is removed after four turns, and the clean coal and middlings are repulped (without water addition) and then separated in the final three turns. Feed samples were collected from the spiral circuit of a coal cleaning plant located in southwestern Pennsylvania. The samples consisted of undeslimed cyclone feed (nominal − 0.15 mm) and deslimed spiral feed (nominal 0.15 × 0.053 mm). Testing was carried out to investigate the effects of slurry flow rate and solids concentration on spiral performance. Detailed size and ash analyses were performed on the spiral feed and product samples. For selected tests, float-sink and sulfur analyses were performed. In nearly all cases, ash reduction occurred down to approximately 0.025 mm, with some sulfur reduction occurring even in the − 0.025 mm interval. The separation of the + 0.025 mm material was not significantly affected by the presence of the − 0.025 mm material when treating the undeslimed feed. The − 0.025 mm material split in approximately the same ratio as the slurry, and the majority of the water traveled to the clean coal stream. This split ultimately increased the overall clean coal ash value. A statistical analysis determined that both flow rate and solids concentration affected the clean coal ash value and yield, though the flow rate had a greater effect on the separation.
Livro de atas do XVI Congresso da Associação Portuguesa de Investigação Operacional

The purpose of this paper is to present a cluster analysis applied to group companies by their social performance and to compare the results. The results indicate that companies with better social performance are not the ones with better economic performance, and it suggests that the middle path might provide a good relation CSR-Economic performance, as a basis to sustainable development. The study focused on 19 quoted Portuguese companies and the analysis covered a period of five years, between 2005 and 2009. The results indicated that three clusters were classified in CSR Low (3 companies), CSR Medium (12 companies) and CSR High (4 companies). According to the cross validated classification based on discriminant analysis, the results reveal that 94.7% of the cases were classified correctly.
Novel polymer inclusion membrane containing a macrocyclic ionophore for selective removal of strontium from nuclear waste solution

A new polymer inclusion membrane (PIM) containing cellulose triacetate (CTA) as the monomer, di-tert-butylcyclohexano-18-crown-6 (DtBuCH18C6) as the carrier and 2-nitrophenyl octyl ether (NPOE) as the plasticizer was developed for the selective transport of Sr2+ from aqueous nitrate medium. Studies with crown ether concentration variation have indicated a linear dependence on the permeability coefficient (P) suggesting a diffusion mechanism for ion transport. Effects of membrane thickness, nature of plasticizer and plasticizer concentration on the transport of Sr2+ were studied. The effect of feed acidity was also investigated for a possible application in the nuclear waste solution. Selective Sr2+ transport was observed in a synthetic waste solution containing metal ions such as UO22+, MoO22+, Zr4+, Ce3+, Nd3+, Ru3+, Pd2+, Ba2+ and Cs+, etc., in 1 M HNO3 and 2 M NaNO3. Greater than 70% transport of Sr2+ was observed in 24 h while most of the other metal ions were negligibly transported (<0.01%).
Oxidation of Activated Carbon Fibers: Effect on Pore Size, Surface Chemistry, and Adsorption Properties

Activated carbon fibers (ACFs) were oxidized using both aqueous and nonaqueous treatments. As much as 29 wt % oxygen can be incorporated onto the pore surface in the form of phenolic hydroxyl, quinone, and carboxylic acid groups. The effect of oxidation on the pore size, pore volume, and the pore surface chemistry was thoroughly examined. The average micropore size is typically affected very little by aqueous oxidation while the micropore volume and surface area decreases with such a treatment. In contrast, the micropore size and micropore volume both increase with oxidation in air. Oxidation of the fibers produces surface chemistries in the pore that provide for enhanced adsorption of basic (ammonia) and polar (acetone) molecules at ambient and nonambient temperatures. The adsorption capacity of the oxidized fibers for acetone is modestly better than the untreated ACFs while the adsorption capacity for ammonia can increase up to 30 times compared to untreated ACFs. The pore surface chemical makeup was an.
Screening for Microalbuminuria in Newly Detected Type 2Diabetes Mellitus Patients

Microalbuminuria is a major risk factor for various renal and cardiovascular events. The need for early detection and treatment of patients at risk for microalbuminuria is important to limit the excess renal and cardiovascular disease associated with type 2 diabetes mellitus (T2DM). Therefore, this study aimed to screen newly detected T2DM patients for the presence of microalbuminuria. A total of 120 patients diagnosed with T2DM were included in this prospective observational study. After collecting history, physical examination, and various biochemical investigations such as kidney function test, plasma blood sugars, lipid profile and glycosylated hemoglobin (HbA1c) were conducted. The detection of microalbuminuria was done by Micral test. Data were analyzed by the Chi-square test for significance of qualitative variables. A p-value of < 0.05 was considered significant. Prevalence of microalbuminuria among T2DM patients was observed to be 40%. HbA1c levels of females showed a significant association (p=0.007). Patients with BMI>25 kg/m2 had a significant incidence of microalbuminuria (p<0.001). Urinary glucose was significantly higher (p=0.024) in 83.3% of patients with microalbuminuria. The mean fasting and postprandial blood glucose levels were considerably higher in patients with microalbuminuria (p=0.004, p=0.002). Blood urea and serum creatinine levels, too, were noted to be slightly higher in patients with microalbuminuria (p=018, p=0.001). Prevalence of microalbuminuria was slightly less in newly diagnosed T2DM patients. Early diagnosis and management of microalbuminuria in asymptomatic individuals could help in preventing worsening in renal function and progression of overt diabetic nephropathy.