bluuebunny/crossref_metadata_2025_split huggingface dataset:
Conditions for Workplace Learning as a New First-Line Manager in Elderly Care
Authors: Wastesson Karin , Eriksson Anna Fogelberg , Nilsson Peter , Gustavsson Maria 
Published: February 2021

AbstractThe purpose of this article is to explore first-line managers’ experiences of workplace learning in elderly care, with a particular focus on the conditions for learning when entering a new workplace as the new manager. Qualitative interviews were conducted with 35 first-line managers from three organisations in Sweden. Four learning conditions emerged as being particularly significant for first-line managers: the managers’ previous professional experience, job-specific training, social support, and the joint repertoire of organisational arrangements. These conditions shifted in importance during the process of entering the workplace, and the way in which the conditions gave access to learning for different managers varied. The managers’ professional experience and others’ recognition of them had a considerable impact on their admittance to the new workplace. After the initial entry phase, the other three learning conditions became more significant and played a role in enabling or constraining the managers’ learning and becoming the new manager. One conclusion is that contextual and work experiences from elderly care were significant for learning during the initial phase and in order to gain access to workplace learning. Another conclusion is that high expectations and great responsibility were placed on the managers to satisfy their own learning needs. This implies that professional, social and emotional support that is received informally is just as significant for learning as formalised training for entering a new workplace as a new manager.
Enhancing Photocatalytic Performance of NH2-UIO66 by Defective Structural Engineering
Authors: Xu Zhenmin , Cao Jiazhen , Chen Xiang , Shi Liyi , Bian Zhenfeng 
Published: February 2021

AbstractNH2-UIO66 (NU) is a promising photocatalyst for the reduction of Cr(VI) to low-toxic Cr(III) driven by visible light under ambient conditions. However, the main limitation in this process is the inefficient ligand to metal charge transfer (LMCT) of photo-excited electrons, which is caused by inherent energy gap (ΔELMCT). This study synthesized the defective NU (NUX-H, where X is the molar equivalent of the modulator) with reduced ΔELMCTthrough linkers removal via acid treatment. The electronic structure of NUX-H was systematically investigated, and the results indicated that the structural defects in NUX-H strongly altered the environment of the Zr atoms. Furthermore, they substantially lowered the energy of the unoccupied d orbitals (LUMO), which was beneficial to efficient LMCT, resulting in an improved photocatalytic activity of NUX-H toward high-concentration (100 mg/L) Cr(VI) reduction. Compared to NU with defect-free structure, the reducing rate of Cr(VI) was increased by 47 times. This work introduced an alternative strategy in terms of designing efficient photocatalysts for reducing Cr(VI) under ambient conditions.
Kinetic, equilibrium and thermodynamic studies of the adsorption of paracetamol in activated carbon in batch model and fixed-bed column
Authors: Haro Nathalia Krummenauer , Dávila Ivone Vanessa Jurado , Nunes Keila Guerra Pacheco , de Franco Marcela Andrea Espina , Marcilio Nilson Romeu , Féris Liliana Amaral 
Published: February 2021

AbstractThis work studied the removal of paracetamol through the adsorption process using the granular activated carbon. The results indicated that it was possible to obtain 95% of removal under the experimental conditions of pH 6, 120 min of process and 5 g L−1 of solid adsorbent. The kinetic model that best fit the experimental data was the pseudo-first order. The isotherm model that best fit the experimental data was the Sips. The thermodynamic tests indicated that the adsorption process was favorable and spontaneous and confirmed the endothermic nature of the process. In fixed bed column adsorption, the best operating condition found was obtained using the flow rate of 3 mL min−1 and bed mass equal to 0.5 g. In this case, the system presented the highest volume of treated PAR effluent, of 810 mL per gram of carbon in the bed, besides a longer rupture time and bed saturation.
Investigation on the thermal degradation, moisture absorption characteristics and antibacterial behavior of natural insulation materials
Authors: Ahmed Ayaz , Qayoum Adnan 
Published: February 2021

AbstractThe demand for natural insulation materials is increasing with special attention to the use of such materials for exploiting renewable energy. Natural insulation materials tremendously influence the sustainability development and energy efficiency enhancement in the buildings. Natural fibers from animal’s origin absorb great amount of moisture on exposed to the environment which significantly affects the performance and thermal insulation properties. The thermal degradation of such material strongly influences the accidental burning characteristics, an important selection criteria for building materials. In the present study, three different kind of natural insulation materials namely sheep wool, goat wool and horse mane have been characterized in terms of moisture absorption, thermal degradation and morphology using thermogravimetric analysis (TGA), differential scanning calorimetry techniques, and scanning electron microscopy, respectively. In addition, antibacterial behavioral study has been also carried out for untreated raw wool and treated wool (copper nitrate). These properties are vital for a holistic evaluation of the insulation material. Moisture absorption results indicate that the sheep wool and goat wool absorb less moisture content as compared to horse mane. Unlike this horse mane shows great stability than goat wool and sheep wool in the temperature range not exceeding 470 °C. TGA data indicate 50% mass loss (T50%) at 306 °C, 322 °C and 318 °C for sheep wool, goat wool and horse mane, respectively. In addition the tests show that the content of fire retardant elements like nitrogen and sulphur is more in horse mane as compared to sheep wool and goat wool. The treated wool samples showed excellent antibacterial properties as compared to untreated wool samples.
Longwall top coal caving design for thick coal seam in very poor strength surrounding strata
Authors: Jangara H. , Ozturk C. Atilla 
Published: February 2021

AbstractAlpu lignite field is an important coal deposit with nearly 2 billion tons of coal resources located in the middle of Turkey. The mine deposit consists of three main seams. The thickness of two of them vary from 4 to 30 m. The surrounding rock mass is very poor in terms of strength. The high clay content and weak rock mass make mechanized mining difficult. In this research, applicability of the longwall top coal caving method was investigated. The very weak strength behavior of the coal and the surrounding strata increases the importance of research in the mine site in terms of ground control. The aim is to design the mechanized longwall mine based on ground control principles. First of all, classification of the roof, coal, inter-burden, and floor strata were classified based on geotechnical aspects. Then, cavability index, shield, and floor bearing capacity were investigated. Different methods were applied to understand the limitations of a mechanized system that is very critical due to the very low strength strata. According to the main results, roof strata was classified as immediately caving while mining height was calculated as 5–6 m. Finally, the relations among geotechnical characterizations of roof and floor strata, cutting and caving heights, and required shield capacity were presented based on analytical and numerical applications. The proposed approach can be used as a ground control method for the applicability as well as the limitations of mechanized longwall mining design in weak strata conditions.
When Harmonization is Not Enough: Shareholder Stewardship in the European Union
Authors: Katelouzou Dionysia , Sergakis Konstantinos 
Published: February 2021

AbstractOn 10 June 2019 the transposition and implementation deadline for the shareholder engagement rules imposed upon institutional investors and asset managers by the revised Shareholder Rights Directive (SRD II) expired. This article offers an original account of the rationale, the dynamics and the evolution of this EU-driven policy, which aims to promote long-term institutional shareholder engagement within (or in the absence of) nationally embedded frameworks. We place the SRD II shareholder engagement rules within what we see as a multi-layered regulatory landscape consisting in some Member States of soft-law stewardship codes or similar principles and guidelines, and we find—perhaps surprisingly—that the SRD II stewardship-related provisions were transposed in a literal and minimalistic fashion without any customization to divergent national specifications and despite the fact that the SRD II is only a minimum harmonization directive. We search for explanations for this transposition pattern by pointing to three key issues: the policy and institutional misfit between the harmonized rules and national regimes, the lack of a strong market demand for shareholder stewardship, and the more apt soft, flexible and mostly bottom-up norms (contained in codes or similar principles and guidelines)—rather than (semi-)hard top-down rules—in inculcating good shareholder stewardship practices. Against this background of minimalist intervention (both at the EU and national levels), we find that pre-SRD II soft stewardship initiatives have had two key positive effects. First, they increased market actors’ familiarity and preparedness with the SRD II transposed rules, thereby increasing the likelihood of effective compliance with good shareholder stewardship standards whilst maintaining national idiosyncrasies. Second, soft-law stewardship codes or similar principles and guidelines, despite their own weaknesses, are vital mechanisms of innovative norm-generation and can expand or adjust the SRD II stewardship-related rules to provide tailored shareholder stewardship frameworks and serve as a signalling function for key market actors. From this it follows that the uniform, but minimalistic, transposition of the SRD II stewardship-related rules across the EU, although welcome in shaping the minimum standards, needs to be supported by tailored, soft-law stewardship codes or similar principles and guidelines. Such a symbiosis of the harmonized SRD II shareholder engagement rules and supporting soft-law stewardship developments will allow the tailoring of shareholder stewardship norms to local conditions and the provision of guidance and meaning to the SRD II rules, while a minimum harmonization of shareholder stewardship is already secured.
SmallSat swarm gravimetry: Revealing the interior structure of asteroids and comets
Authors: Ledbetter William Gordon , Sood Rohan , Keane James , Stuart Jeffrey 
Published: February 2021

AbstractA growing interest in small body exploration has motivated research into the rapid characterization of near-Earth objects to meet economic or scientific objectives. Specifically, knowledge of the internal density structure can aid with target selection and enables an understanding of prehistoric planetary formation to be developed. To this end, multi-layer extensions to the polyhedral gravity model are suggested, and an inversion technique is implemented to present their effectiveness. On-orbit gravity gradiometry is simulated and employed in stochastic and deterministic algorithms, with results that imply robustness in both cases.
Preparation of silver nanoparticles in a high voltage AC arc in water
Authors: Jabłońska Joanna , Jankowski Krzysztof , Tomasik Mikołaj , Cykalewicz Dariusz , Uznański Paweł , Całuch Szymon , Szybowicz Mirosław , Zakrzewska Joanna , Mazurek Paweł 
Published: February 2021

AbstractThe article presents for the first time the synthesis of silver nanoparticles in an electric arc of high-voltage alternating current with a frequency of 50 Hz. In particular, the method and apparatus necessary for the preparation of nanoparticles in water solution is discussed. Current–voltage characteristics depending on the mutual distance between the electrodes are presented which show a very high stability of the generated discharge phenomena. The obtained nanoparticles were examined using various analytical techniques such as UV–Vis spectroscopy, dynamic light scattering (DLS), zeta potential, energy dispersive X-Ray analysis (EDS), X-ray diffraction (XRD), and X-ray fluorescence (EDXRF). The morphology, surface and size of the obtained nanoparticles was carried out using transmission electron microscopy (TEM) and scanning TEM (STEM) equipped with the annual dark-field imaging scanning atomic-scale chemical mapping (STEM). The designed simple power supply unit consisting of an autotransformer and a microwave oven transformer (MOT) makes the preparation of silver nanoparticles both simple and economical.
Agro-climatic zone-based identification of elite Terminalia arjuna accessions concerning to arjunolic acid production
Authors: Bharti Sonu 
Published: February 2021

AbstractMan has been dependent on vegetation in different forms since antiquity. Plants and trees have been used in the form of medications since the old times. Although the use of plant parts in the form of medicine has been less than that of the plants, therefore today it is necessary to explore some such medicinal trees. Among these, one of these trees is Arjun, whose bark is described also in Ayurveda due to its divine medicinal properties in heart diseases. The present study based on the isolation and analysis of the Phyto-constituents of the stem bark extract of Terminalia arjuna member to the family Combretaceae collected from different agro-climatic zones of India. The samples were subjected to quantitative phytochemical analysis i.e., arjunolic acid, screening by implementing the standard procedure. Observation has shown the presence of arjunolic acid in the stem bark extracts in different fractions obtained by the use of various organic solvents. Therefore, the bark extracts of the chosen plants may function as a good source of components of useful drugs for cardiovascular disorders and may also be used for the preparation of other pharmaceutical products.
Optimal distributed generation location and sizing for loss minimization and voltage profile optimization using ant colony algorithm
Authors: Ogunsina Adeseye Amos , Petinrin Moses Omolayo , Petinrin Olutomilayo Olayemi , Offornedo Emeka Nelson , Petinrin Joseph Olawole , Asaolu Gideon Olusola 
Published: February 2021

AbstractA system of power generation whereby the generating equipment is located close to the point of usage, thereby reducing losses and operation cost is called distributed generation (DG). However, it is imperative that DGs are sited such that the quality of power delivered is optimized and the total real power loss within the system minimized. This paper proposes an approach for optimum sizing and siting of DGs sizing in a power distribution system using Ant Colony Optimization (ACO) algorithm. To validate the algorithm the IEEE 30 bus standard test system was employed. A 92% decrease in real power loss within the system relative to the value before the connection of DGs was observed, while the minimum bus voltage increased from 0.656 per unit to 0.965 per unit. The results obtained from ACO are further verified by creating an ETAP model of the IEEE 30 bus system and simulating the impact of DG on the system. A significant reduction in total real power losses within the system and improvement in voltage profile was observed when the DGs are placed at the ACO derived sites relative to at other locations. Therefore, Ant Colony Algorithm can be used in deriving the optimum sites and sizes of DGs in a power distribution system.
Distortion Effects in Equal Area Unit Maps
Authors: Schiewe Jochen 
Published: February 2021

AbstractMaps that correctly represent the geographic size and shape of regions, taking into account scaling and generalization, have the disadvantage that small regions can easily be overlooked or not seen at all. Hence, for some map use tasks where small regions are of importance, alternative map types are needed. One option is the so-called equal area unit maps (EAUMs), where every enumeration unit has the same area size, possibly also the same basic shape such as squares or hexagons. The geometrical distortion of EAUMs, however, leads to a more difficult search for regions as well as a falsification of topological relationships and spatial patterns. To describe these distortions, a set of analytical measures is proposed. But it turns out that the expressiveness of these measures is rather limited. To better understand and to model the influence of distortions, two user studies were conducted. The study on the search in EAUMs (also with the aim of reconstruct the search strategies of the users) revealed how important it is to consider the local topology (e.g. corner or border positions of regions) during the generation process. With regard to pattern identification, it could be shown that EAUMs significantly increase the detection rate of local extreme values. On the other hand, global lateral gradients or geostatistical hot spots often get blurred or even lost. As a consequence, a task-oriented selection of map types and further developments are recommended.
Clinical Guidelines in the Management of Frozen Shoulder: An Update!
Authors: Pandey Vivek , Madi Sandesh 
Published: February 2021

AbstractAmong all the prevalent painful conditions of the shoulder, frozen shoulder remains one of the most debated and ill-understood conditions. It is a condition often associated with diabetes and thyroid dysfunction, and which should always be investigated in patients with a primary stiff shoulder. Though the duration of ‘traditional clinicopathological staging’ of frozen shoulder is not constant and varies with the intervention(s), the classification certainly helps the clinician in planning the treatment of frozen shoulder at various stages. Most patients respond very well to combination of conservative treatment resulting in gradual resolution of symptoms in 12–18 months. However, the most effective treatment in isolation is uncertain. Currently, resistant cases that do not respond to conservative treatment for 6–9 months could be offered surgical treatment as either arthroscopic capsular release or manipulation under anaesthesia. Though both invasive options are not clinically superior to another, but manipulation could result in unwarranted complications like fractures of humerus or rotator cuff tear.
Rewarding in International Law
Authors: van Aaken Anne , Simsek Betül 
Published: February 2021

AbstractWhy states comply with international law has long been at the forefront of international law and international relations scholarship. The compliance discussion has largely focused on negative incentives. We argue that there is another, undertheorized mechanism: rewarding. We provide a typology and illustrations of how rewards can be applied. Furthermore, we explore the rationale, potential, and limitations of rewarding, drawing on rationalist and psychological approaches. Both approaches provide ample justifications for making greater use of rewarding in international law.
Accounting for the Effects of Employment, Equity, and Risk Aversion in Cost–Benefit Analysis: An Application to an Adaptation Project
Authors: Markanday Ambika , Markandya Anil , de Murieta Elisa Sainz , Galarraga Ibon 
Published: February 2021

AbstractThis paper sets out to explore to what extent integrating employment effects, equity, and risk aversion within cost–benefit analysis (CBA) affect the economic appraisal of a climate change adaptation project designed to protect against flood risk in a region of Bilbao (Basque Country, Spain). Four CBAs are conducted: (i) a standard CBA; (ii) a standard CBA considering equity; (iii) a standard CBA considering equity and employment; and (iv) a standard CBA considering equity, employment and risk aversion. All CBAs are conducted using a time frame of 2014–2080 and considering a 100-year return period under a middle of the road emission scenario (RCP4.5). A sensitivity analysis is also undertaken. Results suggest that the economic efficiency of the adaptation investment is contingent on what types of considerations are included within CBA. Integrating elements of employment, equity and risk aversion can strengthen or weaken the case for action (leading to higher or lower net-present values) and (depending on the discount rate chosen) may even be the deciding factor for determining whether a particular action should be carried out or not (whether the net-present value is positive or negative).
Cognition in the first week after stroke: how does it relate to personal and instrumental activities of daily living at follow-up?
Authors: Buys Sarah , Gustafsson Louise , Gullo Hannah , Grimley Rohan , Summers Mathew , Campbell Alana 
Published: February 2021

AbstractBackground:The Montreal Cognitive Assessment (MoCA) is routinely used during the early assessment of people after stroke to indicate cognitive effects and inform clinical decision-making.Aim:The purpose of this study was to examine the relationship between cognition in the first week post-stroke and personal and instrumental activities of daily skills at 1 month and 3 months post-stroke.Method:A prospective cohort study consecutively recruited people admitted to the acute stroke ward. Acute cognitive status was measured using the MoCA within 1 week post-stroke onset. Functional outcomes were measured using the Functional Independence Measure (FIM) and the Australian Modified Lawton’s Instrumental Activities of Daily Living Scale (Lawton’s) at 1 month and 3 months post-stroke.Results:Fifty participants with predominantly mild stroke (n = 47) and mean age of 69.8 achieved a mean MoCA score of 23.1. Controlling for age, the MoCA was associated with the overall FIM score at 1 month (P = 0.02). It was nearing significance for the Lawton’s at 1 month (P = 0.06) but was not associated with either outcome at 3 months. A score of less than 23 on the MoCA was indicative of lower scores on both outcomes.Conclusions:A low MoCA score within 1 week of stroke may indicate need for support or rehabilitation due to early impacts on personal activities of daily living, but is not associated with poor functional outcomes at 3 months.
THE OPEN AND CLOPEN RAMSEY THEOREMS IN THE WEIHRAUCH LATTICE
Authors: MARCONE ALBERTO , VALENTI MANLIO 
Published: February 2021

AbstractWe investigate the uniform computational content of the open and clopen Ramsey theorems in the Weihrauch lattice. While they are known to be equivalent to
$\mathrm {ATR_0}$
from the point of view of reverse mathematics, there is not a canonical way to phrase them as multivalued functions. We identify eight different multivalued functions (five corresponding to the open Ramsey theorem and three corresponding to the clopen Ramsey theorem) and study their degree from the point of view of Weihrauch, strong Weihrauch, and arithmetic Weihrauch reducibility. In particular one of our functions turns out to be strictly stronger than any previously studied multivalued functions arising from statements around
$\mathrm {ATR}_0$
.