Miracle-dz/UniFAR-FTUs huggingface dataset:
MICROSTRUCTURE AND MECHANICAL BEHAVIOR OF AlCoCuFeNi HIGH-ENTROPY ALLOY FABRICATED BY SELECTIVE LASER MELTING

Additive manufacturing (AM) technique, such as selective laser melting (SLM) is a modern method for materials fabrication and formation. In this study, AlCoCuFeNi HEA parts are fabricated by SLM using prealloyed powders prepared by atomization process. The effect of processing parameters on microstructures, microhardness and compression property of SLM-fabricated HEA parts are systematically investigated. Results show that input laser energy density involved in laser power and scan speed plays a significant role in the densification behavior. A near-full 99.03% density is achieved as an energy density of 102.5 J/mm 3 . The alloys consist of simple body-centred cubic (BCC) structure and exhibit the highest microhardness up to 541.17 HV0.2 and compressive strength of 1621.1 MPa due to the BCC solid solution strengthening. The study reveals that SLM is advantageous to produce the high-entropy alloy with high density, good mechanical properties and even complicated shapes.
Optimized Fuzzy Impedance Control for Empowering Human in Execution of Onerous Task with Manipulators

The proposed contribution describes a fuzzy impedance control based approach to assist the human operator in industrial applications while executing onerous tasks. The developed method allows to set in real-time the set-point of the impedance control on the basis of the humans intentions. Moreover, an off-line optimization of the fuzzy impedance control parameters has been performed through an optimization algorithm based on a neural network approach. The proposed method has been verified in an experimental procedure with 20 human subjects interacting with the manipulator (KUKA iiwa 14 R820). The proposed algorithm has been also validated in an industrial task, performing the installation of a heavy and bulky hatrack component, case-study related to the H2020 CleanSky 2 EURECA project at the KUKA Innovation Award 2017.
The Use of (Treated) Domestic Wastewater for Irrigation: Current Situation and Future Challenges

Fil: Gatto D'andrea, Maria Laura. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Salta. Instituto de Investigaciones en Energia no Convencional. Universidad Nacional de Salta. Facultad de Ciencias Exactas. Departamento de Fisica. Instituto de Investigaciones en Energia no Convencional; Argentina
PARAMETERS ANALYSIS OF A PICTURE-RATE UP-CONVERTERSION MODULE

The importance of low-power design is not just critical to portable devices but also to line powered equipment like TV products. Power dissipation strongly influences the price of the chip, since the packaging and cooling costs increase dramatically with increasing power dissipation. In this paper, we analyse parameters that enable the design of a lowpower picture-rate up-conversion module, which will be part of a System-on-Chip (SoC) for video format conversion. In order to cope with the huge memory, bandwidth and computational requirements of the application, we use data compression to reduce memory requirements. Further, we use multi-level caching to exploit locality of reference, thereby reducing the data bus bandwidth requirements.
Medical identity fraud in the United States: could it happen here?

The Medical Journal of Australia ISSN: 0025729X 1 February 2010 192 3 119-119 ©The Medical Journal of Australia 2010 www.mja. com.au Postcard from New York City, she was told it was not possible because she already had three accounts on which money was owed at another bank. This is a real and not uncommon scenario in the US where, because of the complexity of the banking system, identity fraud is rife. For Australians visiting or living in the US since the new homeland security laws came into eb tw da R ecca Nicole Hannah Zajac is not a name o people are likely to have. Yet, my ughter, living in the United States, found that someone with this name and the same birthday as her had opened three bank accounts and overdrawn these accounts substantially. Thus, when Rebecca came to open a bank account in New York
What patients with bipolar disorder and major depressive disorder perceive as adverse life events precipitating a current major depressive episode

Background. Adverse life events (ALEs) as precipitants of a major depressive episode (MDE) have been the subject of many studies. These studies indicate an increase in ALEs in the 6 months preceding an MDE. Objectives. The study examined what participants, suffering from major depressive disorder (MDD) or bipolar disorder (BD), perceived as the precipitating ALE of a current MDE. The severity and categories of ALEs were compared between these two patient groups. Methods. Consenting, adult inpatients were sourced from Weskoppies Hospital, Steve Biko Academic Hospital, Tshwane District Hospital, Denmar Psychiatric Hospital and Vista Clinic in the Pretoria area. A semi-structured questionnaire was used to obtain demographic data and the diagnosis. Information regarding the course of the disorder, including the number of previous MDEs and the age at which the first MDE occurred, was also obtained. The perceived precipitating ALE was detailed for each participant. A severity value referred to as a Life Change Unit Score (LCU score), based on the Recent Life Changes Questionnaire (RLCQ) by Miller and Rahe, was then assigned to each participant’s perceived precipitant. Results. Of the 64 participants, 12.7 % were experiencing a first MDE. In those participants who had experienced prior episodes the average number (standard deviation (SD)) of previous episodes was 3.86 (2.46). The mean approximate age (SD) at first onset of an MDE was 24.81 (10.9) years. The BD group had significantly more previous MDEs than the MDD group. Although the average LCU scores were higher in the BD group than the MDD group this did not reach statistical significance. Therefore, this study could not find a difference in the severity of the perceived precipitants between the BD group and MDD group. However, when the LCU scores were analysed within subcategories of the RLCQ, it was found that participants with BD perceived significantly more problems associated with the workplace as precipitants of a current MDE than individuals with MDD. Conclusion. Most participants could link an ALE to the onset of a current MDE. The study did not find a differential response to ALEs between patients with BD and MDD. The severity of the social precipitants did not differ significantly between the two groups. The notion of a ‘kindling effect’ could not be supported by the outcome of this study. Because some study participants experienced ALEs not accounted for by the RLCQ, a more comprehensive assessment instrument may be more appropriate for similar studies.
COUPLED CFD / CSD METHOD FOR WIND TURBINES

Abstract. This paper presents an aeroelastic analysis of the NREL Phase VI wind turbine, using the HMB2 solver of Liverpool University, coupled with a CSD method. Flapping modes were found to be the most dominant, due to the structural properties of this blade. The employed method enabled the study of the effect of the blade flapping on the loads, in conjunction with the effect of tower, for a low and a high speed case.
FREQUENCY-DOMAIN METHODS FOR EXTENDING TDR MEASUREMENT RANGE IN SALINE SOILS

Water content and electrical conductivity of soils are routinely determined using time-domain reflectometry (TDR) based on analysis of signal travel time along buried waveguides. In soils with appreciable electrical conductivity, travel time analysis becomes progressively inaccurate due to signal attenuation to the point of failure (typically at ECb > 2 dS m). We demonstrate that information on bulk dielectric permittivity, lost in travel time analysis in saline soils, can be recovered in the frequency domain by using shorter waveguides to reduce signal attenuation. We implement a robust algorithm for the time-to-frequency domain transformation (Nicolson, 1973) that does not rely on waveform differentiation. This algorithm uses signal de-ramping to eliminate noise induced by standard differentiation and to reduce truncation errors arising from finite sample size. The methodology was tested using coaxial cells and three-wire TDR probes under a wide range of solution electrical conductivities (0 to 24 dS m). Reliable estimates of bulk dielectric permittivity for EC’s up to 24 dS m in a silt loam soil were obtained using 2 and 3 cm TDR probes. In addition to bulk dielectric permittivity, this method provides additional frequency-dependent and electrical conductivity information derived in the estimation of the Cole-Cole parameters.
A WBL-CONSISTENT JWL EQUATION OF STATE FOR THE HMX-BASED EXPLOSIVE EDC 37 FROM CYLINDER TESTS

The cylinder test is a conceptually simple experiment whereby a cylinder of HE encased in a close fitting metal tube is detonated at one end. The subsequent motion of the metal, accelerated by the expanding detonation products, is measured using a range of diagnostic techniques. The original test was conceived as a reproducible means of assessing the comparative performance of new explosive compositions, but refinements to the experimental techniques, yielding more accurate data, led to its use in determining explosion products EoS by comparison with 2D calculations.
Theory and Applications of Hazard Plotting for Censored Failure Data

This paper presents theory and applications of a simple graphical method, called hazard plotting, for the analysis of multiply censored life data consisting of failure times of failed units intermixed with running times on unfailed units. Applications of the method are given for multiply censored data on service life of equipment, for strength data on an item with different failure modes, and for biological data multiply censored on both sides from paired comparisons. Theory for the hazard plotting method, which is based on the hazard function of a distribution, is developed from the properties of order statistics from Type II multiply censored samples.
Wavelet Representation of Optical System Distortion

A novel method for a representation of the optical system distortion using the discrete wavelet transform is proposed in this paper. Using the presented approach, virtually any complex distortion can be represented only with a small number of wavelet coefficients. Moreover, one can represent the distortion up to the resolution of one pixel or even finer. The experiments shown in the paper suggest that the introduced wavelet interpolation reconstructs distorted data very realistically. The proposed method was evaluated on two scenes comprising a projector and irregular surfaces using dataset of images of various type.
Long-term clinical results of biodegradable vascular scaffold ABSORB BVS TM using the PSP-technique in patients with acute coronary syndrome

Background: The PSP (predilatation, sizing, post-dilatation)-technique was developed to improve the prognosis of patients after bioresorbable vascular scaffold (BVS) implantation. In acute coronary syndrome (ACS) the use of BVS is particularly demanding and carries some potential risk regarding aggressive lesion preparation, proper vessel sizing due to spasm and thrombus inside the artery. The aim herein, was to determine the long-term results of BVS stenting in ACS patients depending on the scaffold implantation technique. Methods: The present study is a prospective, two-center study, which consisted of 182 patients who underwent percutaneous coronary intervention (PCI) with BVS (Absorb, Abbott Vascular, Santa Clara, California, USA) implantation for the ACS. All patients were divided into two groups. The first consisted of 52 patients treated with the PSP-technique (PSP group). The second group enrolled 130 patients treated with a non-PSP procedure (non-PSP group). Results: The procedure was successful in all patients. The mean observation time was 28.8 ± 16.5 months (median 28.3 months, interquartile range 24.0 [17.0–41.0] months). It was found that target vessel failure (TVF) was consistently reduced in patients using the PSP-technique as compared with the non-PSP group (5.8% vs. 17.7%, p = 0.03). Moreover, PSP-technique was superior to non-PSP-technique concerning major adverse cardiac events (MACE) (3.7% vs. 22.3%, p = 0.02). Logistic regression analysis revealed that the use of PSP technique significantly decreased the risk of target vessel revascularization (odds ratio [OR] 0.11, p = 0.01), TVF (OR 0.28, p = 0.03) and MACE (OR 0.29, p = 0.02). Conclusions: The PSP-technique for BVS implantation improves long-term results and should also be recommended for newer generations of the bioresorbable scaffold.
Molecular survey of Plasmodium falciparum resistance in south–eastern Iran

Abstract In south-eastern Iran, the sulfadoxine-pyrimethamine (SP) combination has been used to treat malaria caused by chloroquine-resistant Plasmodium falciparum. To explore the molecular basis of antimalarial resistance in this region, the dhfr, dhps and pfcrt genes of 50 clinical isolates of P. falciparum, collected from cases of uncomplicated malaria in 2000-2001, were checked for the point mutations that appear associated with SP or chloroquine (CQ) resistance. The results of the study, which was based on a PCR followed by DNA sequencing, indicated that all 50 isolates presented the DHFR S108N mutation associated with pyrimethamine resistance. Seven isolates (14%) had a triple DHFR mutation (S108N, N51I, C59R) and 32 (64%) had a double mutation in this domain. Thirty-nine isolates (78%) had the wild-type DHFR 51 codon but only 15 (30%) had the wild-type DHFR 59 codon. Eleven isolates (22%) only had the DHFR S108N mutation. All isolates had the wild-type DHPS 436 and 540 codons and all but two of the isolates had the wild-type DHPS 437 codon. All isolates but one had the PFCRT K76T mutation associated with CQ treatment failure. The results of this preliminary investigation indicate that SP may remain the treatment of choice for cases of uncomplicated malaria in south-eastern Iran.
Assessment methods of mechanical properties of composite materials

The paper deals with a specific kind of imperfection in multilayered composite structures as thickness deviation. During manufacturing process the layers are laminated together with resin. Lack of accuracy or some errors during autoclaving process could contribute to thickness deviation when thin layer of resin remains between plies. This is particularly important in the case of hybrid laminates as Fibre Metal Laminates (FML). Therefore, the aim of this work is to determine the impact of thickness imperfection on the variation of effective mechanical properties of FML thin-walled panels. Two methods have been considered in the study: assumption of additional resin/matrix layer in a stacking sequence and a correction of fibre volume fraction in composite layers. A full 3-2 FML lay-up has been analyzed using Classical Lamination Plate Theory with connection to two micromechanical approaches: analytical (Rule of Mixture) and numerical (Finite Element Method). Results of calculations were verified by conducted experimental tests.
Colour changes of beech wood (Fagus sylvatica L.) during high temperature drying process.

Th is paper deals with colour changes of beech wood during and after using a special method of wood drying – high temperature drying (HT drying). HT drying has many advantages, however a typical feature is darkening of samples after drying process. Darkening and total colour changes of samples depend on temperature, moisture content, time of drying and, as we have found out, on density of samples. Th e HT drying of beech wood was carried out by means of hot air in a laboratory drier for 39 hours at a maximum temperature of 110, 130 and 150°C. Th e initial moisture content of samples was approximately 70 %. Th ere were proposed three diff erent drying schedules to observe the infl uence of diff erent parameters on the total coloration of samples. Th e colour parameters L*, a* and b* were determined by using the CIE L*a*b* method on surfaces of samples. Th e colour on the surface was the same as the internal colour of specimens. During the HT drying, wood is exposed to special conditions and so the drying process is accompanied by chemical changes in wood. Th at is the reason why wood changes the colour during the HT drying. From this it is obvious that we cannot preclude the creation of colour changes. However, a thorough analysis of drying parameters and changes in wood can help propose drying schedules to reach the requested dark colour hue. Our experiment confi rmed that the colour changes during the HT drying were the most obvious during the fi rst few hours, when the moisture content of samples was the highest. So, when we want to aff ect the colour hue of wood we have to regulate parameters of the drying medium, mainly at the beginning of drying. Beech wood, after the HT drying is of darker and more reddish colour, so it is possible to imitate some tropical species with the HT dried beech wood.
Transforming growth factor beta1 (TGFbeta1) in physiology and pathology

W artykule poglądowym szczegolowo opisano konsekwencje rozpowszechnienia TGFbeta1 w organizmie oraz jego wplyw na szereg procesow fizjologicznych i patofizjologicznych. Istotne odrebności narządowe i tkankowe utrudniają jednoznaczną charakterystyke tej cytokiny. Istnieją jednak stale funkcje TGFb1 nie wzbudzające kontrowersji: uczestniczy w rozwoju plodu, regulacji wzrostu i roznicowania komorek, indukuje proces wloknienia i bliznowacenia (proces „gojenia rany”), powoduje hamowanie odpowiedzi immunologicznej, uczestniczy w angiogenezie, w rozwoju nowotworow, w procesach zapalnych - jest wiec cytokiną wieloczynnościową. Mozna wyroznic trzy fundamentalne kierunki jego dzialania: I — TGFbeta1 reguluje proliferacje, wzrost, roznicowanie i przemieszczanie komorek; II — TGFbeta1 wykazuje dzialanie immunomodulujące; III — TGFbeta1 wykazuje dzialanie profibrogenne. Dzialanie TGFbeta1 moze miec charakter miejscowy i systemowy. Opisano udzial TGFbeta1 w stanach patologicznych: wrzodziejące zapalenie jelita grubego, choroba Crohna, celiakia, cukrzyca (nefropatia, retinopatia, stopa cukrzycowa), nadciśnienie plucne, choroba Alzheimera. TGFbeta1 i jego receptory są rowniez przedmiotem zainteresowania endokrynologow. Brak zaleznej od TGFbeta1 kontroli wzrostu moze skutkowac onkogenezą: rak brodawkowaty, pecherzykowy i anaplastyczny tarczycy, prostaty, sutka, szyjki macicy, przelyku, zolądka, jelita grubego, wątroby, NSCLC, czerniak zlośliwy. Nadmierna aktywnośc TGFbeta1 jest integralną cześcią procesow wloknienia zachodzących w odpowiedzi na uszkodzenie. Zwiekszoną ekspresje TGFbeta1 stwierdzono m.in. u chorych ze zwloknieniem pluc, nerek i wątroby. U chorych z przewleklym zapaleniem wątroby dlugotrwala stymulacja komorek gwiaździstych bedąca wynikiem przewleklego stanu uszkadzania hepatocytow skutkuje obfitym uwalnianiem profibrogennych czynnikow, w tym TGFbeta1 prowadząc do rozwoju marskości wątroby. Wyniki eksperymentalnego postepowania i leczenia, określanego jako strategia anty-TGFbeta1, przeciwdzialającemu procesowi wloknienia w roznych tkankach stwarzają nadzieje na jego zastosowanie w praktyce klinicznej. (Endokrynol Pol 2013; 64 (5): 384–396)
Increase in capillary perfusion following low-intensity ultrasound and microbubbles during postischemic reperfusion

Objectives:We postulated that the increase in shear stress caused by microbubbles in the presence of low-intensity ultrasound increases vasodilation in ischemia/reperfusion. Design:Prospective, randomized, and blinded experimental study. Setting:Research laboratory. Subjects:Forty hamsters were subjected to ischemia/reperfusion and observed by intravital microscopy. Interventions:Ultrasound (2.5MHz, 1.3 mechanical index, 2.0 peak pressure) was applied to the hamster cheek pouch in ischemia/reperfusion with and without microbubbles (Levovist or Sono Vue) at baseline (15 mins) and at the beginning (15 mins) of reperfusion after ischemia (30 mins). Measurements and Main Results:Arterial diameter (A2-A3, 38.5 ± 5.3 &mgr;m; A4,15.0 ± 7.0 &mgr;m), red blood cell velocity, wall shear stress, permeability, perfused capillary length, and adherent leukocytes in venules were evaluated. Lipid peroxides were also determined in the systemic blood. Ultrasound and microbubbles in reperfusion significantly increased the diameter (A2–A3 Sono Vue, 33%; Levovist, 53% vs. ischemia/reperfusion, p < .05; A4, Sono Vue, 93%; Levovist, 104% vs. ischemia/reperfusion, p < .05), red blood cell velocity, flow, and shear stress in both A4 and A2–A3 arterioles. Shear stress was significantly higher with Levovist (A2–A3, 105%; A4, 185%) and Sono Vue (A2, 108%; A4, 140% vs. ischemia/reperfusion, p < .05) than ultrasound alone in arterioles. With ischemia/reperfusion, perfused capillary length was reduced significantly, whereas it increased with Levovist and Sono Vue (43%, 41% vs. ischemia/reperfusion p < .05). Lipid peroxides increased early during reperfusion and remained at increased levels throughout reperfusion. Lipid peroxides were unchanged after ultrasound alone or ultrasound with Sono Vue or Levovist during ischemia/reperfusion. With ultrasound there was a significant increase in vascular permeability vs. ischemia/reperfusion. Treatment with Sono Vue (−36%) and Levovist (−57%) decreased permeability vs. ischemia/reperfusion in reperfusion (p < .001). Ischemia/reperfusion had significantly increased leukocyte adhesion. Ultrasound alone (−39%) or with Sono Vue (−64%) and Levovist (−57%) caused smaller increases in leukocyte adhesion than ischemia/reperfusion (p < .05). Conclusions:Ultrasound and microbubbles equilibrate microvascular shear stress, thus avoiding the failure of capillary perfusion in postischemic reperfusion.
Internal dynamics of national innovation system : a panel cointegration analysis

The purpose of this paper is twofold: to test 1) whether the dynamics of national innovation system (NIS) is driven by coevolution of innovation generation and innovation diffusion; 2) whether the dynamics of NIS is stimulated by different social, institutional and economic factors depending on country development level and geographical location. The paper attempts to answer these questions conceptually by employing the national innovation system approach and innovation diffusion conceptual model. A four step panel cointegration approach is used for the empirical analysis. Panel data of 93 countries for the period of 1980-2008 from an existing CANA database is employed for the analysis. Results confirm that internal dynamics on 93 NISs is driven by coevolution of innovation generation and innovation diffusion. Further tests reveal that determinants of NISs are structural and institutional. Different social, institutional and economic factors stimulate innovation generation process in different country groups depending on their development level and specifications of national innovation systems.
Acute and sublethal toxicity of chlorpyrifos on developmental stages of Dattaphrynus melanostictus

© 2018 M. David et al. This is an open access article distributed under the terms of the Creative Commons Attribution License -NonCommercialShareAlikeUnported License (http://creativecommons.org/licenses/by-nc-sa/3.0/). *Corresponding Author M. David, Environmental Toxicology, and Molecular Biology Laboratory, Department of PG Studies and Research in Zoology, Karnatak University, Dharwad-580003, India. E-mail: davidkcd @ gmail.com Acute and sublethal toxicity of chlorpyrifos on developmental stages of Dattaphrynus melanostictus