Miracle-dz/UniFAR-FTUs huggingface dataset:
Another look at AM Herculis – radio-astrometric campaign with the e-EVN at 6 cm

We conducted radio-interferometric observations of the well known binary cataclysmic system AM Herculis. This particular system is formed by the magnetic white dwarf (primary) and the red dwarf (secondary), and is the prototype of so-called polars. Our observations were conducted with the European VLBI Network (EVN) in the e-EVN mode at 5 GHz. We obtained six astrometric measurements spanning one year, which make it possible to update the annual parallax for this system with the best precision to date ($\pi=11.29\pm0.08$ mas), equivalent to the distance of $88.6\pm0.6$ pc. The system was observed mostly in the quiescent phase (visual magnitude $m_v\sim15.3$), when the radio emission was at the level of about $300~\mu$Jy. Our analysis suggests that the radio flux of AM Herculis is modulated with the orbital motion. Such specific properties of the radiation can be explained using the emission mechanism similar to the scenario proposed for V471 Tauri and, in general, for RS CVn type stars. In this scenario the radio emission arises near the surface of the red dwarf, where the global magnetic field strength may reach a few kG. We argue that the quiescent radio emission distinguishes AM Herculis together with AR Ursae Majoris (the second known persistent radio polar) from other polars, as the systems with a magnetized secondary star.
Size-Resolved Respiratory Tract Deposition of Sub-Micrometer Aerosol Particles in a Residential Area with Wintertime Wood Combustion

Particle size distributions and hygroscopic growth were studied in a town in Sweden with extensive emissions from wood combustion. The average deposited fraction of particle number, surface area and volume dose in the human respiratory tract was estimated using the data set, as well as the typical deposition pattern of the two dominant particle source types: wood combustion and traffic exhaust. As far as we know, this is the first report on the deposited fraction and hygroscopicity of ambient particles from domestic wood combustion in the literature. The use of PM2.5 as a substitute for the deposited dose was also tested. Source/receptor modeling and the hygroscopicity measurements showed that wood combustion and traffic exhaust are dominant sources, and that these particles have a low water uptake. Number fractions of 38 and 69% of the wood combustion and traffic particles, respectively, were deposited in the respiratory tract, and 53% of the particles were deposited as an average for the whole period. The deposited fraction of the surface area and volume dose was also calculated for wood combustion particles, with the result being 22% for both parameters. The results also revealed that the PM2.5 average over more than 10 hours correlated well (r(2) > 0.80) with the deposited surface area and volume dose. This means that PM2.5 can be used as proxy for the deposited dose when examining health effect relationships during short-term exposure studies if the averaging time is sufficient, while a PM2.5 proxy is not recommended for shorter averaging times.
Educational systems need appropriate animations and simulations

Animations and simulations are often presented as tools for learning, although not all animations are appropriate for that purpose. The goal of this paper is to get things straight in that respect. After giving a short definition of graphic animations and simulations, this paper contends that, in educational systems, these should be used only if they are related to the subject to be learned, to the learning process, and/or to the learner's characteristics, thus discrediting animations used solely for marketing purposes. Then a simple but educationally relevant simulation is discussed in a simulation-based system to help practising and learning algorithmics. Finally, the paper proposes a guideline establishing general relationships between learning task categories, knowledge types, and animation or simulation types.
Higher-Dimensional Pyramid Construction Problem and Application to Data Mining

Optimized region rules developed by Fukuda et al. [11], [12] are effective tools for data mining in databases with numeric data. However, there are two drawbacks in the previous methods: (1) each rule can contain at most two numeric conditional attributes, and (2) the decision is made based only on whether a given data is inside or outside a region R, but not on the exact position of the data. In this paper, we propose a new method for removing these drawbacks. Indeed, by applying graph algorithms, we give optimized numeric association rules with more than two attributes, and give layered-structure numeric association rules. Our method is also applicable to removal of exceptional data and data clustering.
Physiological factors affecting performance in elite distance runners

Running distances from 3000 m to the marathon (42 195 m) are events dominated by energy contribution of the aerobic energy system. The physiological factors that underlie success in these running events are maximal oxygen uptake (VO 2max ), running economy (RE), the utilization of the maximum oxygen uptake (%VO 2max ) and velocity at the anaerobic threshold (vAT). VO 2max for distance runners competing on an international level has been between 70 and 87 ml/kg/min in men, and between 60 and 78.7 ml/kg/min in women, respectively. Due to lack of air resistance, laboratory testing of RE and vAT are recommended to be conducted on treadmill with 1% slope. %VO 2max are in most studies expressed as the average fractional utilization of VO 2max at vAT. Much of the current understanding regarding the response to exercise is based on studies of untrained and moderately trained individuals. To use this knowledge to give training recommendations to elite runners is hardly valid. Researchers should therefore exercise caution when giving training recommendations to coaches and elite distance runners based on limited available research.
Micropropagation of Myrica rubra Sieb. and Zucc. using shoot tips and nodal explant

Myrica rubra is an important horticultural, forestry and ornamental tree. Its micropropagation was achieved by using shoot tip and nodal explants from two commercial cultivars “Biji and Dongkui” on BW medium supplemented with Thidiazuron (TDZ) and/or 2,4-Dichlorophenoxyacetic acid (2,4-D). TDZ induced multiple shoots but stunted growth. Maximum number of shoots (5.75) was recorded for both cultivars with 0.6 mg L-1TDZ concentration. Shoot length was significantly improved with optimum concentration of TDZ (0.6 mg L-1) and with different concentrations of 2,4-D. BW medium was found as suitable medium for micropropagation of both the cultivars of M. rubra with maximum number and longer shoots. WPM and MS medium ranked second in multiple shoot regeneration of both cultivars. Single microshoot cultured on plant growth regulator free medium for 3 weeks initiated roots on the medium containing Indole butyric acid (IBA) only with reduced (¼ and ½) medium strength. Roots were induced with a high frequency of 95% in Biji and 87% in Dongkui with 0.3 mg L-1 IBA, respectively. No callus was observed on shoots in rooting media. All the concentrations of indole-3-acetic acid (IAA) either on reduced medium or full strength did not initiate any roots. Rooted plants were successfully acclimatized. Key words: Myrica rubra, Chinese bay berry, micropropagation, plant growth regulators.
The low-temperature geochemical cycle of iron: From continental fluxes to marine sediment deposition

Suspended sediments from 34 major rivers (geographically wide- spread) and 36 glacial meltwater streams have been examined for their variations in different operationally-defined iron fractions; FeHR (iron oxides soluble in dithionite), FePR (iron soluble in boiling HCl but not in dithionite) and FeU (total iron less that soluble in boiling HCl). River particulates show a close association between FeHR and total iron (FeT), reflecting the effects of chemical weathering which derive oxide iron from, and retain it in close association with, total iron. Consistent with this, continental- scale average FeHR/FeT ratios vary with runoff ratios (average river runoff per unit area/average precipitation per unit area). By contrast, the diminished effects of chemical weathering produce no recognizable association of FeHR with FeT in glacial particulates, and instead both FePR and FeU are closely correlated with FeT, reflecting essentially pristine mineralogy. A comparison of the globally-averaged compositions of riverine particulates and marine sediments reveals that the latter are depleted in FeHR, FePR and FeT but enriched in FeU. The river and glacial particulate data are combined with estimates of authigenic, hydrothermal, atmospheric and coastal erosive iron fluxes from the literature to produce a global budget for FeHR ,F e PR ,F e U and FeT. This budget suggests that the differences between riverine particulates and marine sediments can be explained by; (i) preferentially removing FeHR from the riverine particulate flux by deposition into inner shore reservoirs such as floodplains, salt marshes and estuaries; and (ii) mixing the resulting riverine particulates with FeHR- depleted glacial particulates. Preliminary measurements of inner shore sediments are consistent with (i) above. Phanerozoic and modern normal marine sediments have similar iron speciation characteristics, which implies the existence of a long-term steady state for the iron cycle. This steady state could be maintained by a glacioeustatic feedback, where FeHR-enriched riverine particulates are either more effectively trapped when sealevel is high (small ice masses, diminished glacial erosion), or are mixed with greater masses of FeHR-depleted glacial particulates when sealevel is low (large ice masses, enhanced glacial erosion). Further important controls on the steady state for FeHR operate through the formation of euxinic sediments and ironstones, which also provide sealevel-dependent sinks for FeHR-enriched sediment.
RESOURCE ALLOCATION, HYPERPHAGIA, AND COMPENSATORY GROWTH IN JUVENILES

Many organisms exploit highly variable food supplies and, as an adaptation to such conditions, show elevated growth during recovery from starvation. In some species this response enables starved and re-fed individuals to outpace those growing continuously. The main engine of compensatory growth is a relative increase in food ingestion as a reaction to poor nutritional condition. We use a series of mathematical energy-budget models to investigate the interaction between the mechanisms that control such hyperphagia and those that control internal allocation, with the aim of identifying those strategies that permit overcompensation. Weﬁndthathyperphagia alone normally produces weak compensation and can never result in overcompensation. When combined with internal allocation, which routes a ﬁxed fraction of net production to reserves, a strong compensatory response becomes the norm, and overcompensation is frequent.
Effect of spreading coefficient on three‐phase relative permeability of nonaqueous phase liquids

Three‐phase flow conditions are encountered regularly, for example, during migration of released NAPL through the vadose zone, certain stages of soil vapor extraction, bioslurping, or generation of gases by microbes. To model three‐phase flow, a common approach is to construct three‐phase relative permeabilities based on a combination of two‐phase relative permeabilities. Although this circumvents a lack of experimental data, it can lead to serious underprediction or overprediction of residual NAPL saturation. This can mislead decision makers that need to predict whether a particular spill will reach the water table or predict the speed of a NAPL front or conduct an assessment of the performance of remediation actions. Experimental data to estimate three‐phase relative permeabilities is sparse. A study by DiCarlo et al. [2000a] generated significant experimental information. Their analysis focused on the high NAPL saturation region, given their emphasis on oil reservoir engineering. For environmental applications the low saturation region is of more interest. Using this data set, we derived a set of empirical relations that relate NAPL three‐phase relative permeability krn to NAPL saturation Sn and spreading coefficient Cs for Sn less than about 0.1, such that krn = where A1 = 0.012 exp (−1.3Cs) and A2 = 2.1 − 0.60Cs + 0.036Cs2. At higher Sn, krn ≈ Sn4, independent of Cs. We present a pore‐scale conceptual model that provides a phenomenological basis for the use of Cs as a predictor of krn at low Sn. We then present a number of simulated case studies that highlight the effect of these three‐phase relative permeabilities on risk assessment or remediation design.
Beyond Coping: An Empowerment Perspective on Stressful Life Events

Des etudes sur les evenements de vie stressants ont permis de montrer les effets negatifs qu'ils ont sur la sante et sur la sante mentale. Cette etude a principalement examine la possibilite d'« empowerment » (se donner les moyens), soit le processus par lequel des individus peuvent accomplir des actions pour changer leur situation. Cette theorie emet l'hypothese que l'aboutissement d'evenements stressants peut etre moins desesperant lorsqu'on encourage les individus a s'identifier avec des pairs, a developper des talents specifiques, a percevoir les elements institutionnels et societaux de leurs problemes et a entreprendre un changement au niveau collectif. Cet article developpe cet argument dans le but de mieux comprendre, a travers cette perspective d'« empowerment », le processus d'adaptation
IMPLEMENTASI QRCODE SEBAGAI TIKET MASUK EVENT DENGAN MEMPERHITUNGKAN TINGKAT KOREKSI KESALAHAN

Tiket merupakan suatu dokumen yang sangat penting dalam suatu acara (event) karena tiket menentukan apakah seseorang memiliki akses untuk memasuki acara tersebut atau tidak. Untuk melakukan verifikasi tiket, petugas yang berjaga di pintu masuk harus memastikan bahwa setiap orang yang masuk dapat menunjukan tiket. Kesederhanaan sistem verifikasi tiket ini, banyak disalahgunakan untuk mendapatkan akses masuk ke dalam acara secara cuma-cuma. Tidak adanya proses identifikasi dan validasi tiket dengan data yang dimiliki oleh penyelengara acara membuat kecurangan tetap saja terjadi.Dari permasalahan yang ada, maka dilakukan penelitian untuk memanfaatkan QR code sebagai tiket masuk event dengan memperhitungkan tingkat koreksi kesalahan. Penelitian ini mencoba memperbaharui sistem verifikasi tiket dengan sistem komputerisasi dengan mengganti bentuk fisik tiket menjadi QR code. Telah dilakukan pengujian alpha dan pengujian kemampuan pembacaan QR code untuk mengetahui apakah tingkat koreksi kesalahan mempengaruhi kemampuan pembacaan QR code.Hasil dari pengujian alpha menunjukan bahwa sistem verifikasi tiket yang dibangun bebas dari kesalahan sintaks dan berjalan sesuai dengan fungsinya. Hasil dari pengujian kemampuan pembacaan QR code menyatakan bahwa tingkat koreksi kesalahan mempengaruhi kemampuan pembacaan QR code untuk QR code yang mengalami kerusakan atau bentuknya tidak utuh. Semakin tinggi tingkat koreksi kesalahan, semakin baik kemampuan pembacaan QR code.Kata Kunci : Tiket, e-Ticketing, Sistem Verifikasi Tiket, QR code, QR scanner, Koreksi Kesalahan, Reed-Solomon.
Consumption Smoothing, Migration, and Marriage: Evidence from Rural India

A significant proportion of migration in low-income countries, particularly in rural areas, is composed of moves by women for the purpose of marriage. We seek to explain these mobility patterns by examining marital arrangements among Indian households. In particular, we hypothesize that the marriage of daughters to locationally distant, dispersed yet kinship-related households is a manifestation of implicit interhousehold contractual arrangements aimed at mitigating income risks and facilitating consumption smoothing in an environment characterized by information costs and spatially covariant risks. Analysis of longitudinal South Indian village data lends support to the hypothesis. Marriage cum migration contributes significantly to a reduction in the variability of household food consumption. Farm households afflicted with more variable profits tend to engage in longer-distance marriage cum migration. The hypothesized and observed marriage cum migration patterns are in dissonance with standard models of marriage or migration that are concerned primarily with search costs and static income gains.
On the Bombieri–Korobov estimate for Weyl sums

When s is an integer, one sees by orthogonality that Js,k(P ) is the number of solutions of the system of equations x1 + ⋅ ⋅ ⋅+ xs = y 1 + ⋅ ⋅ ⋅+ y s (1 ≤ i ≤ k) (1.1) with xj, yj ∈ [1, P ] ∩ Z. By using a p-adic iteration method, one may obtain estimates of the shape Js,k(P ) ≪ P 2s− 12k(k+1)+ ́(s,k)+", (1.2) where the sharpest values for ́(s, k) are due to the repeated efficient differencing technology of Wooley [9]. We observe that the mean value Js,k(P ) is well-defined for non-integral s as well. Although it then lacks an interpretation as the number of solutions of (1.1), estimates of the shape (1.2) follow by interpolation via Hölder’s inequality. When ®k has a rational approximation with relatively large denominator, arguments of Bombieri [2] and Korobov [5] produce estimates of the shape ∣f(®)∣ ≪ P 1−3⁄4(k)+", where 3⁄4(k) is determined by the available mean value estimates. This technique, when combined with the results of Wooley [11] on smaller moduli, yields the sharpest currently available Weyl exponents for k ≥ 14. The main purpose of this note is to provide an alternative method for obtaining the results for larger moduli. In contrast to the arguments of Bombieri and Korobov, our derivation makes use of a standard Weyl shift and the large sieve in a manner familiar to additive number theorists. In the process, we make an additional observation that yields modest improvements in the existing Weyl exponents. In the standard
Grey-sided vole and bank vole abundance in old-growth forest patches of different size and connectivity

Vole populations in northern Scandinavia vary in cycles with peaks every third or fourth year as described by the National Environmental Monitoring Programme of small mammals (NEMP). Some vole species have declined in population numbers since the NEMP started in 1971, especially the grey-sided vole (Myodes rufocanus) which is nearly extinct in the forested region. Since small mammals are an important food source for several avian and mammalian predators, the decline in vole numbers is expected to have consequences for the whole food chain, especially if other vole species start to decline in numbers. This study tried to test the hypothesis that presence and abundance of M. rufocanus (a specialist species) and Myodes glareolus (a generalist species) can be predicted by patch size and connectivity of forest patches >60 years old with a minimum of 15% pine >100years old. I found no dependence on patch size or connectivity for either species, possibly due to too small sample size of forest patches. However, I did find a higher occurrence of M. rufocanus and abundance of M. glareolus in nature forests in this study compared to the situation in managed forests surveyed in the NEMP.
DECISION PROCESSES IN ENGINEERING DESIGN: A NETWORK PERSPECTIVE OF STAKEHOLDER AND TASK INTERACTION

In recent years, there has been significant attention given to developing decision support methods and tools for engineering design. While advances in the formal, mathematical modeling and statistical mechanics based models have been impressive, this has not been the case for research attempting to reach beyond normative models to examine the cognitive and social factors that influence decision-making. In general advances have provided for either a top-down or bottom-up approach to decision-making; ignoring the requirements for both participant and task connectedness and dependencies. This paper describes an integrated modeling framework that uses a multi-network perspective of decision-making. The utility and extensibility of this framework are considered in discussion by way of examples from construction engineering design.
Generate Frequent Item Sets with Modified Top down Apriori Algorithm using Mapreduce

As with the advancement of the IT technologies, the data is increasing day by day and it is difficult to manage the data and find out relevant information from it. There are many conventional data mining techniques present for generating frequent item sets. Association rule mining is one of the important task of descriptive technique . Apriori algorithm is the versatile algorithm for generating frequent item sets. Challenge is to improve efficiency by taking less time and produce better results. Hadoop Map reduce introduced by Google overcomes the problem of multiple re-execution of tasks.In this paper Hybrid approach of modified apriori with Hadoop MapReduce is proposed.
Selenium and iodine status relationship in calves and heifers from selenium and iodine deficient areas in Serbia

The selenium and iodine status was determined in calves (3, 6 and 9 months old) and heifers (12 months) on two farms (A-Kovin, and B-Vrbas) in iodine and selenium deficient areas of Serbia. Selenium concentrations in feedstuffs on the territories surrounding farm A and B were lower than 0.1 ppm in more than 90% of the samples and lower than 0.05 ppm in more than 67% of the samples. Plasma selenium concentrations in calves and heifers from both farms were very low, ranging from 1.58 to 9.42 µg/L. Plasma GSH-Px activity was very low in 3 month old calves: 8.4 ± 5.2 and 16.1 ± 4.3 µkat/L on farm A and B, respectively, and significantly higher in 12 month old heifers: 39.0 ± 6.2 and 40.8 ± 9.8 µkat/L on farm A and B, respectively. Mean plasma T4 levels in all groups of calves and heifers were relatively high, ranging between 57.1 and 102.9 nmol/L. Mean plasma T3 levels in calves and heifers from both farms ranged from 2.72 to 3.51 nmol/L, and did not vary significantly, except for the 3-month-old calves on farm B, where the level was significantly higher than in the other groups. A significant correlation was found between plasma GSH-Px activity and T3:T4 ratio in the 6- month-old calves from farm A (r2 = 0.80), as well as in the combined groups of 6-and 9-month old calves from farm B (r2 = 0.68).
Enhancement of ketoconazole dissolution rate by the liquisolid technique

Abstract The study was conducted to enhance the dissolution rate of ketoconazole (KCZ) (a poorly water-soluble drug) using the liquisolid technique. Microcrystalline cellulose, colloidal silica, PEG400 and polyvinyl pyrrolidone (PVP) were employed as a carrier, coating substance, nonvolatile solvent and additive in the KCZ liquisolid compact formulation, respectively. The drug-to-PEG400 and carrier-to-coating ratio variations, PVP concentration and aging effects on the in vitro release behavior were assessed. Differential scanning calorimetry (DSC) and X-ray powder diffraction (XRD) data revealed no alterations in the crystalline form of the drug and the KCZ-excipient interactions within the process. The load factor and the drug release rate were significantly enhanced compared to directly compressed tablets in the presence of the additive. Increasing the PEG400-to-drug ratio in liquid medications enhanced the dissolution rate remarkably. The dissolution profile and hardness of liquisolid compacts were not significantly altered by keeping the tablets at 40 °C and relative humidity of 75 % for 6 months. With the proposed modification of the liquisolid process, it is possible to obtain flowable, compactible liquisolid powders of high-dose poorly-water soluble drugs with an enhanced dissolution rate.