bluuebunny/crossref_metadata_2025_split huggingface dataset:
Training strategies for a sustainable medical care: a survey among assistant and chief physicians in a tertiary care hospital in Germany
Authors: Kröplin Juliane , Zauner Eike-Ulrike , Dopp Hauke , Forberger Anke , Schön Gerhard , Bschorer Reinhard , Heese Oliver , Ritz Jörg-Peter 
Published: December 2020

Abstract

Purpose
As an essential part of the health care system, the requirements for specialist training are subject to a continuous process of change. The aim of the present study was to evaluate the current specialist training situation of all departments in a tertiary care hospital in Germany. Differences between assistant and chief physicians should be pointed out.

Materials and methods
The analysis of the current training situation was carried out on the basis of an individually created questionnaire. The questionnaire content included career goal and specialism. The characteristic values initial training (IT), training structure (TS) and training content were measured on a numeric scale from 1 to 5. In addition, an overall assessment of the trainers’ competences was performed. The questionnaire was sent to 208 assistant physicians (AP) and 34 chief physicians (CP).

Results
Totally 92 APs (44.2%) and 22 CPs (64.7%) participated. Senior physician was the most common career goal (34.1%), followed by the branch (28.6%). The importance of the topics initial training (IT) and training structure (TS) were evaluated as mean value: ITCP=1.5, ITAP=1.6; p=0.701 and TSCP=1.4, TSAP=1.5; p=0.669. The results concerning the implementation of the topics IT and TS in the daily routine show significant differences between APs and CPs (ITCP=2.0, ITAP=3.2; p=0.002; TSCP=1.9, TSAP=3.0; p<0.001). Skills lab training was acknowledged as the most important training format (CP=1.3, AP=1.5; p=0.401). The practical medical skills of the professional trainers were evaluated as high: AP: 94.6% (CP: 100.0%), as well as the training in interprofessional collaboration: AP: 79.4% (CP: 100.0%).

Conclusion
Our data underline the importance of specialist training subjects. These are partly perceived very differently by APs and CPs. Innovative concepts for the induction phase, well-structured training curricula, providing management skills, the overall use of skills labs and digital documentation might support the satisfaction and the outcome of specialist training. This could also improve quality in patient care.
Grammateis(secretaries) and legal procedure in ancient Athens
Authors: Filias Dionysios 
Published: December 2020

AbstractThe advent of writing in the Greekpolisadministration resulted in the appointment of officials responsible for document management. These were known asgrammateis(secretaries). The need for records connected to judicial proceedings led to the involvement of secretaries in thepolislegal procedure. Although there remains little evidence of this, in Athens secretarial support was certainly connected with almost every use of writing in a judicial context. Secretaries appear to have received suits, published notifications of trials and recorded fines, but their most well-attested duty is that of the reading of documents brought as evidence in the courtroom. The study of references to secretaries in a judicial context demonstrates that their duties were essential to the persons involved in the administration of justice. By keeping track of judicial documents secretaries helped the officials to keep accurate records for the sake of accountability, while the reading of legal texts enabled the Athenian citizen-judges to get to knowverbatimthe texts of the state laws and avoid manipulation by litigants who produced their own interpretations of a law. The purpose of this article is to present all the relevant cases of secretarial support in the justice system of Athens and to discuss the contribution made by the secretaries to the Athenian legal procedure.
IgG4-related hypophysitis in adolescence
Authors: Arya Ved Bhushan , El-Gasim Sarra Abu , Das Sreena , Reisz Zita , Zebian Bassel , D’Cruz David , King Andrew , Hampton Tim , Aylwin Simon J. B. , Kapoor Ritika R. , Buchanan Charles R. 
Published: December 2020

Abstract

Objectives
IgG4-related hypophysitis is a novel clinical disease entity, which is typically seen in the sixth decade of life and is typically complicated by hypopituitarism. We describe an adolescent female with IgG4-related hypophysitis with normal pituitary function and summarize the relevant literature.

Case presentation
A 11.8-year-old girl presented with headache and left VI cranial nerve palsy. MRI brain identified an enlarged pituitary gland. Endocrine investigations revealed normal pituitary function. She underwent a transsphenoidal biopsy of the pituitary gland, and histological examination confirmed the diagnosis of IgG4-related hypophysitis. Serum IgG4 concentrations were normal and no evidence of other organ involvement was found. Although the patient tested strongly positive for TB on an interferon gamma release assay, pituitary biopsy was negative for granuloma formation and acid-fast bacilli (Ziehl-Neelson staining). IgG4-related hypophysitis was treated with oral prednisolone and mycophenolate-mofetil with a good response.

Conclusions
We describe to the best of our knowledge, the youngest patient in the published literature with IgG4-related hypophysitis presenting without pituitary insufficiency. A literature review identified only five cases of IgG4-related hypophysitis in adolescence. Serum IgG4 concentrations were normal in all, except one of the adolescent patients reported so far, and appear unhelpful in diagnosis in this age group.
How well do Elo-based ratings predict professional tennis matches?
Authors: Vaughan Williams Leighton , Liu Chunping , Dixon Lerato , Gerrard Hannah 
Published: December 2020

Abstract
This paper examines the performance of five different measures for forecasting men’s and women’s professional tennis matches. We use data derived from every match played at the 2018 and 2019 Wimbledon tennis championships, the 2019 French Open, the 2019 US Open, and the 2020 Australian Open. We look at the betting odds, the official tennis rankings, the standard Elo ratings, surface-specific Elo ratings, and weighted composites of these ratings, including and excluding the betting odds. The performance indicators used are prediction accuracy, calibration, model discrimination, Brier score, and expected return. We find that the betting odds perform relatively well across these tournaments, while standard Elo (especially for women’s tennis) and surface-adjusted Elo (especially for men’s tennis) also perform well on a range of indicators. For all but the hard-court surfaces, a forecasting model which incorporates the betting odds tends also to perform well on some indicators. We find that the official ranking system proved to be a relatively poor measure of likely performance compared to betting odds and Elo-related methods. Our results add weight to the case for a wider use of Elo-based approaches within sports forecasting, as well as arguably within the player rankings methodologies.
Activity patterns of jaguar and puma and their main prey in the Greater Madidi-Tambopata Landscape (Bolivia, Peru)
Authors: Ayala Guido Marcos , Viscarra María Estela , Sarmento Pedro , Negrões Nuno , Fonseca Carlos , Wallace Robert Benedict 
Published: December 2020

Abstract
Activity pattern studies can help explain the coexistence of competing species. Between 2001 and 2017 we evaluated the activity pattern overlap of jaguar (Panthera onca), puma (Puma concolor), and their main prey, using camera traps at 17 Amazonian sites in the Greater Madidi-Tambopata Landscape. We used the Kernel density estimation to generate species activity patterns and the overlap between both cats. We then calculated the overlap coefficient (Δ) by carrying out 10,000 bootstraps (95%). Both cats were active 24 h a day. The puma has higher nocturnal activity (57%), whilst jaguar activity is split almost equally between night (53%) and day (47%). We did not find temporal segregation between jaguars and pumas, which showed similar activity patterns with a high overlapping coefficient (Δ4 = 0.84; 0.78–0.91). Also, we did not find significant differences between Male and Female activity patterns for both species (X2 = 0.50, gl = 1, P = 0.47). Moreover, both cats had significant overlap with the activity patterns of their main prey. Temporal segregation was not detected in any of our study sites within the Greater Madidi-Tambopata Landscape, suggesting that in this region, these predators employ other mechanisms to avoid competition.
Congruence pairs of principal MS-algebras and perfect extensions
Authors: Badawy Abd El-Mohsen , Haviar Miroslav , Ploščica Miroslav 
Published: December 2020

AbstractThe notion of a congruence pair for principal MS-algebras, simpler than the one given by Beazer forK2-algebras [6], is introduced. It is proved that the congruences of the principal MS-algebrasLcorrespond to the MS-congruence pairs on simpler substructuresL°°andD(L) ofLthat were associated toLin [4].An analogy of a well-known Grätzer’s problem [11: Problem 57] formulated for distributive p-algebras, which asks for a characterization of the congruence lattices in terms of the congruence pairs, is presented here for the principal MS-algebras (Problem 1). Unlike a recent solution to such a problem for the principal p-algebras in [2], it is demonstrated here on the class of principal MS-algebras, that a possible solution to the problem, though not very descriptive, can be simple and elegant.As a step to a more descriptive solution of Problem 1, a special case is then considered when a principal MS-algebraLis a perfect extension of its greatest Stone subalgebraLS. It is shown that this is exactly when de Morgan subalgebraL°°ofLis a perfect extension of the Boolean algebraB(L). Two examples illustrating when this special case happens and when it does not are presented.
“We contribute to the development of South Korea”: Bilingual womanhood and politics of bilingual policy in South Korea
Authors: Sohn Bong-Gi , Kang Mia 
Published: December 2020

AbstractGlobal flows of migration to South Korea bring a new challenge of how to negotiate the identities of migrants. Unlike other reported cases that reframe the value of migrants’ first language as part of contingent practices of diversity management, the South Korean government has responded to this challenge by explicitly reframing so-calleddamunhwamothers (foreign women married to Korean men) as bilingual workers, imagining them as self-governed, autonomous workers whose linguistic capital can be mobilized for the betterment of South Korean society. The government’s adoption of linguistic entrepreneurship and ethnocentric nationalism becomes particularly salient in this process. This paper studies how fourdamunhwamothers respond to this new bilingual worker identity as promoted in the bilingual policy texts. We examine the ways in which they negotiate their bilingual worker identities by echoing the government’s new linguistic nationalism and linguistic entrepreneurship on the one hand, and by problematizing the insecure job markets, stratified linguistic needs, lack of systematic training for bilingual instructors, and native Korean’s misunderstanding of their new roles on the other. Finally, we discuss the implications of Korea’s bilingual policy, elaborating on the significance of linguistic entrepreneurship in language policy planning and practice and calling for more reflective accounts of ecological and translingual policy implementation in Korea.
Lockdown during COVID-19 pandemic: impact on road traffic noise and on the perception of sound environment in France
Authors: Munoz Patricio , Vincent Bruno , Domergue Céline , Gissinger Vincent , Guillot Sébastien , Halbwachs Yann , Janillon Valérie 
Published: December 2020

Abstract
Acoucité¹, centre of expertise in environmental acoustics and observatory of the sound environment, has investigated the changes in sound environment and its perception during the French lockdown period. The approach adopted is multidimensional, since it combines long-term acoustic measurements, large area noise mapping, as well as the study of sound perception self-reported by population sample through an on-line structured questionnaire. Data from 21 continuous sound monitoring stations² were analysed for the entire lockdown period in five conurbations in the south of France and compared to typical values in the “normal” situation (before lockdown) in order to quantify the reduction in terms of sound levels. Reductions from 4 dB to 6 dB (Lden) were observed for monitoring stations with highly dominant road noise. These results were used to obtain new Strategic Noise Maps for road noise (corresponding to the lockdown situation) for the conurbations of Lyon and Grenoble. The impact of such reductions in terms of noise exposure of their inhabitants was thus assessed. An estimation of the impact on health effects in comparison with the “normal” situation (Strategic Noise Maps “Round 3 CE-DE-2002”) was also carried out. This estimation considers a scenario where the above level reductions (4 to 6 dB) would take place in the long-term. An on-line perception questionnaire was available during the lockdown period with the aim of gathering information on the way that the changes in sound environment were perceived by people all over France and ended up with more than 3000 respondents. This paper reports the main findings of the study in terms of acoustics and sound perception.
Model and optimal operational windows for hydrodynamic fiber fractionation
Authors: Schmid Thomas , Radl Stefan 
Published: December 2020

AbstractBased on fitted experimental data, an empirical fractionation model for mini-channel hydrodynamic fiber fractionation (miniFrac) is presented. This model, combined with an optimization procedure, is then used as a design tool to synergize competing fractionation performance characteristics, i. e., product quality, product yield and energy demand. Based on this model, miniFrac is compared to state-of-the-art fiber fractionation technology with respect to (i) long fiber-short fiber fractionation and (ii) fines-fiber fractionation. In terms of fines-fiber fractionation, miniFrac is outperformed by typical micro-hole pressure screening regarding the purity of fines fraction. However, a comparison with a slotted (slot width of 0.2 mm) and a smooth-holed pressure screen (hole diameter of 0.8 mm) shows, that miniFrac is capable of outperforming both systems regarding product quality and energy demand at a comparable product yield. If, in the case of fines-fiber fractionation, reject purity (i. e., fines exclusion) is more important than fines purity (i. e., long fiber remain in the reject), miniFrac is an interesting tool with some key advantages over pressure screens.
Full-field hygro-expansion characterization of single softwood and hardwood pulp fibers
Authors: Vonk N. H. , Geers M. G. D. , Hoefnagels J. P. M. 
Published: December 2020

AbstractThe dimensional stability of paper products is a well-known problem, affecting multiple engineering applications. The macroscopic response of paper to moisture variations is governed by complex mechanisms originating in the material at all length-scales down to the fiber-level. Therefore, a recently-developed method, based on Global Digital Height Correlation of surface topographies is here exploited to measure the full-field hygro-expansion of single fibers, i. e. a surface strain tensor map over the full field of view is obtained as function of time. From the strain field, the longitudinal and transverse hygro-expansion and principle strains can be calculated. Long- and intermediate-duration dynamic tests are conducted on softwood and hardwood fibers. A large spread in the softwood fiber’s transverse and longitudinal hygro-expansion coefficient ratio was found, while hardwood fibers behave more consistently. Computing the principle strain ratios reduces this spread, as it takes into account the variations of the deformation direction, which is directly affected by the micro-fibril angle (MFA). Furthermore, long-duration tests allow identification of the half-times at which the fibers equilibrate. Finally, the determined major strain angles for all fibers are consistent with the MFA ranges reported in the literature.
A review of passive methods in microchannel heat sink application through advanced geometric structure and nanofluids: Current advancements and challenges
Authors: Japar Wan Mohd. Arif Aziz , Sidik Nor Azwadi Che , Saidur Rahman , Asako Yutaka , Nurul Akmal Yusof Siti 
Published: December 2020

AbstractMicrochannel heat sink (MCHS) is an advanced cooling technique to fulfil the cooling demand for electronic devices installed with high-power integrated circuit packages (microchips). Various microchannel designs have been innovated to improve the heat transfer performance in an MCHS. Specifically, the utilisation of nanotechnology in the form of nanofluid in an MCHS attracted the attention of researchers because of considerable enhancement of thermal conductivity in nanofluid even at a low nanoparticle concentration. However, a high-pressure drop was the main limitation as it controls the MCHS performance resulted from heat transfer augmentation. Therefore, this study aimed to critically summarise the challenges and limitations of both single and hybrid passive methods of MCHS. Furthermore, the performance of nanofluid as a coolant in the MCHS as affected by the type and concentration of nanoparticle and the type of base fluid was reviewed systematically. The review indicated that the hybrid MCHS provides a better cooling performance than MCHS with the single passive method as the former results in a higher heat transfer rate with minimal pressure drop penalty. Besides that, further heat transfer performance can be enhanced by dispersing aluminium dioxide (Al2O3) nanoparticles with a concentration of less than 2.0% (v/v) in the water-based coolant.
Response of the rotifer community to human-induced changes in the trophic state of a reservoir
Authors: Kim Seong-Ki , Kim Jeong-Cheol , Joo Gea-Jae , Choi Jong-Yun 
Published: December 2020

Abstract
Human disturbance and nutrient runoff lead to water pollution, particularly in downstream waters and reservoirs. We hypothesized that increased human activity in summer would affect the trophic state of downstream reservoirs, affecting the interannual species composition of rotifers. We used long-term data for the Unmun Reservoir in South Korea (2009–2015), which is increasingly affected by human activity. The interannual variation of nitrogen and phosphorus levels was higher in summer and autumn, resulting in eutrophication. This led to a change in species composition of rotifers. Anuraeopsis fissa, Brachionus calyciflorus and Trichocerca gracilis were abundant in the most eutrophic state, while high densities of Ascomorpha ovalis and Ploesoma hudsoni were observed when nutrient concentrations were lower. The trophic state changes in the Unmun Reservoir were largely attributed to summer human activity in tributary streams. Our study location is typical of the stream network in South Korea and we assume that similar trophic state changes in reservoirs will be common. Changes in the density and species diversity of rotifers due to eutrophication indicate the need for active management and conservation, including the restriction of human activity around streams.
Analysis by pXRF of Prehistoric Obsidian Artifacts From Several Sites on Ustica (Italy): Long-Distance Open-Water Distribution From Multiple Island Sources During the Neolithic and Bronze Ages
Authors: Tykot Robert H. , Martin Franco Foresta 
Published: December 2020

AbstractThe small island of Ustica was a regular part of the obsidian distribution network in the central Mediterranean, despite its location more than 50 km north of western Sicily. More than 1000 obsidian artifacts from several different sites, ranging in age from the Neolithic through Bronze Age, were analyzed using a non-destructive, portable X-ray fluorescence spectrometer. Obsidian from Lipari-Gabellotto dominates the assemblages at all sites tested, yet Pantelleria obsidian from both Balata dei Turchi and Lago di Venere are of notable quantities. Obsidian was not likely a major part of the material transported across open waters to this seemingly remote location, while our data support the hypothesis that some direct travel occurred from the Aeolian Islands to Ustica.
Cytokine clearance in serum and peritoneal fluid of patients undergoing damage control surgery with abdominal negative pressure therapy for abdominal sepsis
Authors: Faes Seraina , Hübner Martin , Demartines Nicolas , Hahnloser Dieter 
Published: December 2020

Abstract

Objectives
Open abdomen technique with negative pressure therapy (NPT) is widely used in patients with severe abdominal sepsis. The aim of this study was to evaluate cytokine clearance in serum and peritoneal fluid during NPT.

Methods
This prospective pilot study included six patients with severe abdominal sepsis requiring discontinuity resection and NPT for 48 h followed by planned reoperation. Cytokines (IL6, IL8, IL10, TNFalpha, and IL1beta) were measured in the serum and peritoneal fluid during index operation, on postoperative days 0, 1, and 2.

Results
Concentrations of cytokines in peritoneal fluid were higher than in serum. IL10 showed a clearance both in serum (to 16.6%, p=0.019) and peritoneal fluid (to 40.9%, p=0.014). IL6 cleared only in serum (to 24.7%, p=0.001) with persistently high levels in peritoneal fluid. IL8 remained high in both serum and peritoneal fluid. TNFalpha and IL1beta were both low in serum with wide range of high peritoneal concentrations. Only TNFalpha in peritoneal fluid showed significant differences between patients with ischemia vs. perforation (p=0.006).

Conclusions
The present pilot study suggests that cytokines display distinct patterns of clearance or persistence in the peritoneal fluid and serum over the first 48 h of treatment in severe abdominal sepsis with NPT.
Preparation and properties of metal textured polypropylene composites with low odor and low VOC
Authors: Liu Xiao-lin , Zhou Lei , Chen Jian 
Published: December 2020

Abstract
The aim of the present work is to upgrade the functionality and environmental friendliness of polypropylene (PP) by means of a blending technique. The influence of the metal pigment on the odor, volatile organic compounds (VOC) and metal texture of PP, and the effects of the extractant, adsorbent and processing technology on the odor and VOC of PP composites were studied systematically. It was found that metallic pigment significantly increased the VOC, odor, metallic texture and MFR of PP, and reduced the impact strength and elongation at break. The adsorbent and extractant can effectively reduce the VOC and odor of the PP composites. When the adsorbent and extractant contents were 0.5 and 5 wt%, respectively, the maximum reduction in the VOC and odor reached 73.6% and 1 level, respectively. When the extractant and adsorbent were used at the same time, the method of adding extractant and adsorbent from the main and the secondary feeding port respectively was significantly superior to the method of adding the extractant and adsorbent from the main feeding port together in reducing the odor and VOC of PP composites, which displayed a good synergistic effect.