bluuebunny/crossref_metadata_2025_split huggingface dataset:
Using shock control bumps to improve engine intake performance and operability
Authors: John A. , Bower J. , Qin N. , Shahpar S. , Smith A. 
Published: November 2020

AbstractShock control bumps can be used to control and weaken the shock waves that form on engine intakes at high angles of attack. In this paper, it is demonstrated how shock control bumps applied to an engine intake can reduce or eliminate shock-induced separation at high incidence, and also increase the incidence at which critical separation occurs. Three-dimensional Reynolds-average Navier–Stokes (RANS) simulations are used to model the flow through a large civil aircraft engine intake at high incidence. The variation in shock strength and separation with incidence is first studied, along with the flow distribution around the nacelle. An optimisation process is then employed to design shock control bumps that reduce shock strength and separation at a fixed high incidence condition. The bump geometry is allowed to vary in shape, size, streamwise position and circumferential direction around the nacelle. This is shown to be key to the success of the shock control geometry. A further step is then taken, using the optimisation methodology to design bumps that can increase the incidence at which critical separation occurs. It is shown that, by using this approach, the operating range of the engine intake can be increased by at least three degrees.
Omissions and Their Effects
Authors: MONTMINY MARTIN 
Published: November 2020

AbstractAccording to what I call theidentity view, omissions are actual events. For example, the nominal ‘Ali's non-jogging’ denotes whatever Ali is doing at the time she is said not to be jogging. Some have objected that omissions (and more generally absences) cannot be events, since the two do not have the same causal relations. I show how advocates of the identity view can offer a pragmatic account of the data the objection relies on.
Career-related teacher support: A review of roles that teachers play in supporting students’ career planning
Authors: Wong Lawrence P.W. , Yuen Mantak , Chen Gaowei 
Published: November 2020

AbstractPreparing adolescents for transitioning from school to work has become a priority across all developed countries due to the increasingly difficult labour market conditions and changes related to technological advances. Most recently, the COVID-19 pandemic has created additional uncertainties in the world of work. This article reviews the concept of career-related teacher support (CRTS) and illustrates the different roles that school teachers can have in influencing students’ career planning and decision making. The information should be beneficial to teachers, counsellors, researchers and policy-makers seeking to optimise school-based career guidance and counselling practices. Brief suggestions are also provided for future research and practice.
Arnebolagus, the oldest eulagomorph, and phylogenetic relationships within the Eocene Eulagomorpha new clade (Mammalia, Duplicidentata)
Authors: Lopatin Alexey V. , Averianov Alexander O. 
Published: November 2020

AbstractArnebolagus leporinusLopatin and Averianov, 2008, known previously from a single tooth (P3) from the early Eocene Bumban Member of Naran Bulak Formation at Tsagan-Khushu locality in Mongolia, is redescribed based on additional specimens from the type locality. Phylogenetic relationships of Eocene stem lagomorphs from Asia and North America are reconstructed for the first time based on a parsimony analysis of 54 morphological characters and 32 taxa. Two new node-based clades are proposed, stemming from the most-recent common ancestor ofLepusLinnaeus, 1758 andDawsonolagusLi, Meng, and Wang, 2007 (Eulagomorpha new clade, ‘lagomorphs of the modern aspect’) and from the most-recent common ancestor ofLepusandGobiolagusBurke, 1941 (Epilagomorpha new clade).ArnebolagusLopatin and Averianov, 2008 is geologically oldest and the most plesiomorphic eulagomorph, similar toDawsonolagusfrom the early Eocene Arshanto Formation of China in its weakly pronounced, unilateral hypsodonty of the upper cheek teeth and its brachyodont lower cheek teeth with separate roots.Arnebolagusis more plesiomorphic thanDawsonolagusin having two roots of P4.Arnebolagusis the oldest known eulagomorph, the only taxon known from the earliest Eocene Bumbanian Asiatic Land Mammal Age (ALMA). The other Asiatic early Eocene eulagomorphs (Dawsonolagus,AktashmysAverianov, 1994, andRomanolagusShevyreva, 1995) come from the Arshantan ALMA.
Maximizing the pth moment of the exit time of planar brownian motion from a given domain
Authors: Boudabra Maher , Markowsky Greg 
Published: November 2020

AbstractIn this paper we address the question of finding the point which maximizes the pth moment of the exit time of planar Brownian motion from a given domain. We present a geometrical method for excluding parts of the domain from consideration which makes use of a coupling argument and the conformal invariance of Brownian motion. In many cases the maximizing point can be localized to a relatively small region. Several illustrative examples are presented.
A temporal factorization at the maximum for certain positive self-similar Markov processes
Authors: Vidmar Matija 
Published: November 2020

AbstractFor a spectrally negative self-similar Markov process on $[0,\infty)$ with an a.s. finite overall supremum, we provide, in tractable detail, a kind of conditional Wiener–Hopf factorization at the maximum of the absorption time at zero, the conditioning being on the overall supremum and the jump at the overall supremum. In a companion result the Laplace transform of this absorption time (on the event that the process does not go above a given level) is identified under no other assumptions (such as the process admitting a recurrent extension and/or hitting zero continuously), generalizing some existing results in the literature.
Multivariate finite-support phase-type distributions
Authors: Pavithra Celeste R. , Deepak T. G. 
Published: November 2020

AbstractWe introduce a multivariate class of distributions with support I, a k-orthotope in
$[0,\infty)^{k}$
, which is dense in the set of all k-dimensional distributions with support I. We call this new class ‘multivariate finite-support phase-type distributions’ (MFSPH). Though we generally define MFSPH distributions on any finite k-orthotope in
$[0,\infty)^{k}$
, here we mainly deal with MFSPH distributions with support
$[0,1)^{k}$
. The distribution function of an MFSPH variate is computed by using that of a variate in the MPH
$^{*} $
class, the multivariate class of distributions introduced by Kulkarni (1989). The marginal distributions of MFSPH variates are found as FSPH distributions, the class studied by Ramaswami and Viswanath (2014). Some properties, including the mixture property, of MFSPH distributions are established. Estimates of the parameters of a particular class of bivariate finite-support phase-type distributions are found by using the expectation-maximization algorithm. Simulated samples are used to demonstrate how this class could be used as approximations for bivariate finite-support distributions.
The pleasure principle
Authors: Wuttke Alexander 
Published: November 2020

AbstractExisting theories struggle when political engagement is an end in itself. To explain intrinsically motivated engagement in politics, this study synthesizes psychological theories to deduce a need-based theory of political motivation. It posits that intrinsic political motivation has roots in seemingly apolitical processes of need satisfaction that are universal and deeply ingrained in the human psyche. However, in a high-powered survey experiment, 14 of 15 preregistered analytical tests did not yield the expected evidence for the basic tenet that previous need-related experiences with politics affect the quality and quantity of future activities in the political domain. Showcasing a stepwise approach to engage with null results in hypothesis-driven research, post hoc analyses solidify the null findings, which call into question the validity of the presented theory and the previous evidence on which it was built. This study thus enhances our understanding of what does and does not underlie intrinsic motivation for political engagement.
A randomised controlled trial assessing the effect of a Mediterranean diet on the symptoms of depression in young men (the ‘AMMEND’ study): a study protocol
Authors: Bayes Jessica , Schloss Janet , Sibbritt David 
Published: November 2020

AbstractDepression affects approximately 350 million people worldwide. Evidence suggests that diet plays an important role with the Mediterranean diet (MD) displaying promising preliminary results. Currently, most of the research is conducted on women and older adults; however, the majority of mental illnesses occur before the age of 25 years. Men are less likely to seek help than women with only 13 % of young men aged 15–24 years seeking help for their mental health. Young men are hugely underrepresented in the current research which poses a significant issue. A 12-week randomised controlled trial will be conducted to examine the effect of a MD on the symptoms of depression in young men aged 18–25 years. Participants will be randomised to either follow a MD or receive the inactive control therapy befriending. Participants will attend three appointments at baseline, week 6 and week 12. The main outcome will be changes to the Beck’s Depression Inventory score. This research aims to answer the question of whether diet can be used effectively in this population. This will be the first trial to examine the effect of a MD on the symptoms of depression in young men. This trial will help fill a significant research gap, contribute to the growing field of nutritional psychiatry, guide future research and inform advice given by clinicians to this specific demographic.
The Power of Compromise
Authors: Brutger Ryan 
Published: November 2020

AbstractIn an era of increasingly public diplomacy, conventional wisdom assumes that leaders who compromise damage their reputations and lose the respect of their constituents, which undermines the prospects for international peace and cooperation. This article challenges this assumption and tests how leaders can negotiate compromises and avoid paying domestic approval and reputation costs. Drawing on theories of individuals’ core values, psychological processes, and partisanship, the author argues that leaders reduce or eliminate domestic public constraints by exercising proposal power and initiating compromises. Employing survey experiments to test how public approval and perceptions of reputation respond to leaders’ strategies across security and economic issues, the author finds attitudes toward compromise are conditioned by the ideology of the audience and leader, with audiences of liberals being more supportive of compromise. In the US case, this results in Republican presidents having greater leeway to negotiate compromises. The article’s contributions suggest that leaders who exercise proposal power have significant flexibility to negotiate compromise settlements in international bargaining.
Social capital in retirement villages: a literature review
Authors: Schwitter Nicole 
Published: November 2020

AbstractRetirement villages are a model of extra-care housing, offering purpose-designed housing that incorporates both care services and a range of non-care-related facilities and activities. These generate opportunities for formal and informal social activity, and promote community engagement, solidarity between residents, and active and independent ageing. Providers suggest that retirement villages are able to foster an environment rich in social capital. This study's purpose is to review and summarise key findings on the topic of social capital in retirement villages in the gerontological literature. Social capital is defined as both an individual attribute of single actors and a feature of communities as a whole. A clear conceptualisation of social capital is used to organise the reviewed studies along different dimensions: on an individual level, social networks, trustworthiness and obligations are differentiated, while the collective level distinguishes between system control, system trust and system morality. Thirty-four studies are reviewed. While retirement villages are generally described as friendly places with widespread helping behaviour where new friends are made, research has also highlighted the difficulty of socially integrating the frail and very old. While, in particular, social networks and system morality have received much attention, there is a clear need for future research into the other domains of social capital.
Directions in orbits of geometrically finite hyperbolic subgroups
Authors: LUTSKO CHRISTOPHER 
Published: November 2020

AbstractWe prove a theorem describing the limiting fine-scale statistics of orbits of a point in hyperbolic space under the action of a discrete subgroup. Similar results have been proved only in the lattice case with two recent infinite-volume exceptions by Zhang for Apollonian circle packings and certain Schottky groups. Our results hold for general Zariski dense, non-elementary, geometrically finite subgroups in any dimension. Unlike in the lattice case orbits of geometrically finite subgroups do not necessarily equidistribute on the whole boundary of hyperbolic space. But rather they may equidistribute on a fractal subset. Understanding the behavior of these orbits near the boundary is central to Patterson–Sullivan theory and much further work. Our theorem characterises the higher order spatial statistics and thus addresses a very natural question. As a motivating example our work applies to sphere packings (in any dimension) which are invariant under the action of such discrete subgroups. At the end of the paper we show how this statistical characterization can be used to prove convergence of moments and to write down the limiting formula for the two-point correlation function and nearest neighbor distribution. Moreover we establish a formula for the 2 dimensional limiting gap distribution (and cumulative gap distribution) which also applies in the lattice case.
The role of hepatitis B infection in anti-tuberculosis drug-induced liver injury: a meta-analysis of cohort studies
Authors: Zheng Jing , Guo Mei-Hong , Peng He-Wei , Cai Xiao-Ling , Wu Yun-Li , Peng Xian-E 
Published: November 2020

Abstract
Drug-induced liver injury (DILI) is a common adverse drug reaction leading to the interruption of tuberculosis (TB) therapy. We aimed to identify whether the hepatitis B virus (HBV) infection would increase the risk of DILI during first-line TB treatment. A meta-analysis of cohort studies searched in PubMed, Web of Science and China National Knowledge Infrastructure was conducted. Effect sizes were reported as risk ratios (RRs) and 95% confidence intervals (CIs) and calculated by R software. Sixteen studies with 3960 TB patients were eligible for analysis. The risk of DILI appeared to be higher in TB patients co-infected with HBV (RR 2.66; 95% CI 2.13–3.32) than those without HBV infection. Moreover, patients with positive hepatitis B e antigen (HBeAg) were more likely to develop DILI (RR 3.42; 95% CI 1.95–5.98) compared to those with negative HBeAg (RR 2.30; 95% CI 1.66–3.18). Co-infection with HBV was not associated with a higher rate of anti-TB DILI in latent TB patients (RR 4.48; 95% CI 0.80–24.99). The effect of HBV infection on aggravating anti-TB DILI was independent of study participants, whether they were newly diagnosed with TB or not. Besides, TB and HBV co-infection patients had a longer duration of recovery from DILI compared to non-co-infected patients (SMD 2.26; 95% CI 1.87–2.66). To conclude, the results demonstrate that HBV infection would increase the risk of DILI during TB therapy, especially in patients with positive HBeAg, and close liver function monitoring is needed for TB and HBV co-infection patients.
Combatting Covid-19. Or, “All Persons Are Equal but Some Persons Are More Equal than Others?”
Authors: Harris John 
Published: November 2020

AbstractVaccines, when available, will prove to be crucial in the fight against Covid-19. All societies will face acute dilemmas in allocating scarce lifesaving resources in the form of vaccines for Covid-19. The author proposes The Value of Lives Principle as a just and workable plan for equitable and efficient access. After describing what the principle entails, the author contrasts the advantage of this approach with other current proposals such as the Fair Priority Model.
Experiential learning for trainee therapists through a shame attack exercise
Authors: Collard James , Clarke Michael 
Published: November 2020

Abstract
Research on self-practice/self-reflection (SP/SR) programmes in training cognitive behavioural therapy (CBT) have shown promising outcomes over the past decade. To date, the SP/SR framework research has generally focused on entire programmes and has rarely assessed the utility of specific exercises as teaching tools. This study aimed to determine the utility of an exposure intervention known as a shame attack in helping to facilitate CBT training in a clinical psychology programe when delivered in a SP/SR framework. It also sought to examine the potential for the exercise to be used as a form of competency-based assessment. Forty-one student trainees engaged in self-directed shame attack exercises and provided written reflections on their experiences. The reflections were then studied via thematic analysis. The results indicate that the exercise provides an avenue for competency-based assessment of trainee therapists’ conceptual knowledge, formulation skills and intervention planning. It also promoted learning outcomes relating to a ‘deeper’ and more nuanced appreciation of CBT theory and practice. The shame attack exercise provided for personal development and the opportunity to experience typical client challenges with engaging in exposure interventions, which have the potential for enhancing empathy and cognitive behavioural skills.

Key learning aims

(1)
To understand the usefulness of a shame attack exercise for training within a SP/SR framework.

(2)
To examine the potential for using SP/SR as a form of competency-based training.

(3)
To demonstrate the benefits of experiential learning through SP/SR in training CBT.
Investigation of organic corn husk-based flat microwave absorber
Authors: Pattanayak Soumya Sundar , Laskar Shahedul Haque , Sahoo Swagatadeb 
Published: November 2020

AbstractDesign and development of cheap and eco-friendly microwave absorber are one of the challenging and interesting topics for the scientific community nowadays. This paper proposes the design and fabrication of corn husk-based low cost, light-weight, and flexible microwave absorber treated as a promising eco-friendly microwave absorber. In this work, an extensive study on microwave absorption efficiency of corn husk at different thicknesses is performed in the frequency range of 1–20 GHz. The absorber at 5.21 mm thickness possesses a return loss (RL) of −32.72247 dB at 2.255 GHz. The measured RL values agree well with simulated ones, indicating the utility of proposed absorber for various practical microwave absorption applications.
Complementary feeding practices and their association with adiposity indicators at 12 months of age
Authors: Rodríguez-Cano Ameyalli M. , Mier-Cabrera Jennifer , Rodríguez-Hernández Carolina , Allegre-Dávalos Ana L , Muñoz-Manrique Cinthya , Perichart-Perera Otilia 
Published: November 2020

AbstractNutrition during the first 1000 days of life represents a window of opportunity to reduce the risk of metabolic dysfunctions later in life. Exclusive breastfeeding (EBF) and adequate introduction of solid foods are essential to promote metabolic and nutritional benefits. We evaluated the association of infant feeding practices from birth to 6 months (M) with adiposity indicators at 12 M. We performed a secondary analysis of 106 healthy term infants born from a cohort of healthy pregnant women. Type of breastfeeding (exclusive or nonexclusive), the start of complementary feeding (CF) (before (<4 M) or after (≥4 M)), and adiposity (body mass index – BMI, body mass index-for-age – BMI/A, waist circumference – WC, and waist circumference–length ratio – WLR) were evaluated at 12 M using descriptive statistics, mean differences, X2, and linear regression models. During the first 6 M, 28.3% (n = 30) of the infants received EBF. Early CF (<4 M) was present in 26.4% (n = 28) of the infants. Children who started CF < 4 M were less breastfed, received added sugars as the most frequently introduced food category, and showed higher BMI, BMI/A, WC, and WLR; those who consumed added sugars early (<4 M) had a higher WC. Starting CF < 4 M was the main factor associated with a higher WC at 12 M. Unhealthy infant feeding practices, such as lack of EBF, early CF, and early introduction of sugars, may be associated with higher adiposity at 12 M.
Psychological Contract Mutuality and Work-related Outcomes: Testing a Mediation Model
Authors: Cioca Iulia A. , Ramos José , Latorre M. Felisa , Estreder Yolanda 
Published: November 2020

Abstract
Psychological contract (PC) describes the labor relationships through the different promises made by the employer towards the employees and the promises made by employees to their employer. PC mutuality is defined as the agreement about whether these promises were actually made. Mutuality is a key element in PC theory. The aim of this study is to test a mediation model of relationships between PC mutuality and work related outcomes, through PC fulfillment. We analyze whether PC mutuality regarding promises made by the employer are significantly related to employees’ affective, attitudinal, and behavioral work-related outcomes, and whether fulfillment of PC promises mediates these relationships. The sample was composed of 942 employees and their HR managers from 47 organizations in three sectors (food, education, and sales). Mediation model is tested, using the bootstrapping technique developed by Hayes (2009). The study provides support for the hypothesized mediation model. Results show that PC mutuality predicts work-related outcomes such as job satisfaction, well-being, organizational commitment, intention to quit, in-role perceived performance, and perceptions of PC violation, and that PC fulfillment partially mediates these relationships. These findings provide theoretical insights into PC theory, highlighting the relevance of PC mutuality. They offer practical suggestions for companies about the importance of achieving mutuality in their relationships with employees in order to increase positive work-related outcomes.