bluuebunny/crossref_metadata_2025_split huggingface dataset:
Interiors of Earth-Like Planets and Satellites of the Solar System
Authors: Breuer Doris , Spohn Tilman , Van Hoolst Tim , van Westrenen Wim , Stanley Sabine , Rambaux Nicolas 
Published: December 2021

AbstractThe Earth-like planets and moons in our solar system have iron-rich cores, silicate mantles, and a basaltic crust. Differentiated icy moons can have a core and a mantle and an outer water–ice layer. Indirect evidence for several icy moons suggests that this ice is underlain by or includes a water-rich ocean. Similar processes are at work in the interiors of these planets and moons, including heat transport by conduction and convection, melting and volcanism, and magnetic field generation. There are significant differences in detail, though, in both bulk chemical compositions and relative volume of metal, rock and ice reservoirs. For example, the Moon has a small core [~ 0.2 planetary radii (RP)], whereas Mercury’s is large (~ 0.8RP). Planetary heat engines can operate in somewhat different ways affecting the evolution of the planetary bodies. Mercury and Ganymede have a present-day magnetic field while the core dynamo ceased to operate billions of years ago in the Moon and Mars. Planets and moons differ in tectonic style, from plate-tectonics on Earth to bodies having a stagnant outer lid and possibly solid-state convection underneath, with implications for their magmatic and atmosphere evolution. Knowledge about their deep interiors has improved considerably thanks to a multitude of planetary space missions but, in comparison with Earth, the data base is still limited. We describe methods (including experimental approaches and numerical modeling) and data (e.g., gravity field, rotational state, seismic signals, magnetic field, heat flux, and chemical compositions) used from missions and ground-based observations to explore the deep interiors, their dynamics and evolution and describe as examples Mercury, Venus, Moon, Mars, Ganymede and Enceladus.
Relationship Between Parental Big Five And Children’s Ability To Delay Gratification
Authors: Effenberger Pauline S. , Streit Fabian , Bardtke Svenja , Gilles Maria , Wolf Isabell A.-C. , Schröder Annette , Sütterlin Marc W. , Witt Stephanie H. , Rietschel Marcella , Deuschle Michael , Send Tabea S. 
Published: December 2021

AbstractThe ability to delay gratification is related to success in school and other aspects of life. Genetic as well as environmental factors such as parenting style partly explain the development of delay of gratification (DoG). However, it is unclear whether parental personality impacts children’s DoG, and how maternal and paternal personalities contribute to this relationship. The present study investigates the relationship between parental personality and 45-month-old children’s DoG (N = 329). Personality was measured using the NEO-Five-Factor-Inventory-30, DoG was operationalized through waiting time in the marshmallow test. In model 1, using only maternal data to predict DoG, maternal openness to experience was associated with shorter waiting time of the child in the marshmallow test, whereas maternal agreeableness was associated with longer waiting time. In model 2, using only paternal data to predict DoG, paternal agreeableness was related to longer waiting time. In model 3, combining maternal and paternal data to predict DoG, maternal openness to experience as well as paternal agreeableness remained significant predictors of DoG. The present study underlines the influence of both parents’ personalities on the development of children’s DoG and indicates differential maternal and paternal effects. Future studies should investigate the relationship between parental personality and children’s DoG in detail and take further factors into account, such as genetic factors, other environmental factors and the personality of the child.
Prevalence of Traditional Asian Postpartum Practices at a Federally Qualified Health Center
Authors: Nguyen Van Viet Thuy , Zheng Micha Y. , Liu Stephanie M. , Kallen Michael A. , Kay Kerry , Ivey Susan L. 
Published: December 2021

AbstractTo evaluate the knowledge of, participation in, attitudes towards, and experiences with “doing the month” (DTM), a traditional Chinese and Vietnamese postpartum practice, at a federally qualified health center that serves predominantly Asian immigrants. DTM practices revolve around the balance between yin and yang and include practices such as the mother remaining on bed rest for as long as possible, restricting diet to certain foods, and avoiding visitors and social activities. A cross-sectional survey in Chinese, Vietnamese, and English was developed to determine the prevalence of women who have heard of and participated in DTM. 154 respondents participated. The mean age of respondents was 40.1 years. Without prompting of what DTM was, 58 (37.7%) responded that they had heard of DTM. After an explanatory paragraph, this increased to 117 (76.6%) participants. Out of 107 patients who have children, 65 (60.7%) “did the month” after giving birth. Participation rates were highest for women who identified as Chinese or Vietnamese. Likert-type scale questions showed that respondents believed DTM was stressful but enjoyable and helpful for recovery from childbirth. In conclusion, DTM is a common practice that health providers should be aware of.
Modelling multiple-simultaneous impact problems with a nonlinear smooth approach: pool/billiard application
Authors: Gismeros Moreno Raúl , Corral Abad Eduardo , Meneses Alonso Jesús , Gómez García María Jesús , Castejón Sisamón Cristina 
Published: December 2021

AbstractSmooth approaches are able to model reasonably well contact/impact events between two bodies, showing some peculiarities when dealing with certain geometries and arising certain issues with the detection of the initial instant of contact. The characterization of multiple-simultaneous interaction systems, considering (or not) energy dissipation phenomena (mainly friction), is always an interesting research topic, addressed from different perspectives. In the present work, the process of design, optimization and verification of a multiple-impact, day-to-day multibody novel model is shown. Specifically, we have decided to focus on a pool/billiard game due to its geometry simplicity. The model involves several balls moving freely and rolling, suffering different kinds of contacts/impacts among them and against the cushions and the cloth. In this system, the proper modelling of both contact and friction forces in the multiple, simultaneous contacts and impacts events is critical to obtain consistent results. In addition, these forces are complicated to model because of its nonlinear behaviour. The different existing approaches when dealing with multiple-contact events are briefly described, along with their most distinctive features. Then, the interactions identified on the model are implemented using several nonlinear contact-force models, following a smooth-based approach and considering friction phenomena, aiming at determining the most suitable set of both contact and friction force models for each of these implemented interactions, which take place simultaneously, thus resulting in a complex system with multiple impacts. Subsequently, the solving method that provides the most accurate results at the minimum computational cost is determined by testing a simple shot. Finally, the different interactions on the model are verified using experimental results and previous works. One of the main goals of this work is to show the some of the issues that arise when dealing with multiple-simultaneous impact multibody systems from a smooth-contact approach, and how researchers can deal with them.
Multidimensional prognostic index and the risk of fractures: an 8-year longitudinal cohort study in the Osteoarthritis Initiative
Authors: Veronese Nicola , Smith Lee , Zigoura Ekaterini , Barbagallo Mario , Dominguez Ligia J. , Barone Antonella , Cella Alberto , Cooper Cyrus , Rizzoli Renè , Reginster Jean-Yves , Maggi Stefania , Pilotto Alberto 
Published: December 2021

Abstract

Summary

In this longitudinal study, with a follow-up of 8 years, multidimensional prognostic index (MPI), a product of the comprehensive geriatric assessment, significantly predicted the onset of fractures in older people affected by knee osteoarthritis.

Purpose
Frailty may be associated with higher fracture risk, but limited research has been carried out using a multidimensional approach to frailty assessment and diagnosis. The present research aimed to investigate whether the MPI, based on comprehensive geriatric assessment (CGA), is associated with the risk of fractures in the Osteoarthritis Initiative (OAI) study.

Methods
Community-dwellers affected by knee OA or at high risk for this condition were followed-up for 8 years. A standardized CGA including information on functional, nutritional, mood, comorbidity, medication, quality of life, and co-habitation status was used to calculate the MPI. Fractures were diagnosed using self-reported information. Cox’s regression analysis was carried out and results are reported as hazard ratios (HRs), with their 95% confidence intervals (CIs), adjusted for potential confounders.

Results
The sample consisted of 4024 individuals (mean age 61.0 years, females = 59.0%). People with incident fractures had a significant higher MPI baseline value than those without (0.42 ± 0.18 vs. 0.40 ± 0.17). After adjusting for several potential confounders, people with an MPI over 0.66 (HR = 1.49; 95%CI: 1.11–2.00) experienced a higher risk of fractures. An increase in 0.10 point in MPI score corresponded to an increase in fracture risk of 4% (HR = 1.04; 95%CI: 1.008–1.07). Higher MPI values were also associated with a higher risk of non-vertebral clinical fractures.

Conclusion
Higher MPI values at baseline were associated with an increased risk of fractures, reinforcing the importance of CGA in predicting fractures in older people affected by knee OA.
Bursting balloons - comparison of risk taking between extreme sports, esports, and the general public
Authors: Keller Lucas , Bieleke Maik , Wolff Wanja 
Published: December 2021

AbstractArguably, extreme sports athletes exhibit a more significant risk appetite than the general public. Are standard behavioral risk measures able to capture this? To answer this question, we assessed self-reports of risk taking and measured the risk-taking behavior of samples of snowboarders and climbers. Two groups of non-athletes, university students and crowdworkers, and athletes of a sport that does not include the potential of grave injury or death, esports athletes, serve as control conditions and complement our study. Across these five different groups, 1313 participants performed an online version of the Balloon Analogue Risk Task (BART) and gave self-reports of general willingness to take risks and sports-specific risk taking. Extreme sports athletes exhibited greater risk taking in the BART than non-athletes and esports athletes. Furthermore, BART-performance predicted sports-specific risk taking and its affective consequences. Our results speak to the BART’s ecological validity and the unique role of physical consequences on risk-taking behavior.
In praise of Table 1: The importance of making better use of descriptive statistics
Authors: Murphy Kevin R. 
Published: December 2021

AbstractAs data analytic methods in the managerial sciences become more sophisticated, the gap between the descriptive data typically presented in Table 1 and the analyses used to test the principal hypotheses advanced has become increasingly large. This contributes to several problems including: (1) the increasing likelihood that analyses presented in published research will be performed and/or interpreted incorrectly, (2) an increasing reliance on statistical significance as the principal criterion for evaluating results, and (3) the increasing difficulty of describing our research and explaining our findings to non-specialists. A set of simple methods for assessing whether hypotheses about interventions, moderator relationships and mediation, are plausible that are based on the simplest possible examination of descriptive statistics are proposed.
Open-system behaviour of detrital zircon during weathering: an example from the Palaeoproterozoic Pretoria Group, South Africa
Authors: Andersen Tom , Elburg Marlina A. 
Published: December 2021

AbstractDetrital zircon in six surface samples of sandstone and contact metamorphic quartzite of the Magaliesberg and Rayton formations of the Pretoria Group (depositional age c. 2.20–2.06 Ga) show a major age fraction at 2.35–2.20 Ga, and minor early Palaeoproterozoic – Neoarchaean fractions. Trace-element concentrations vary widely, with Ti, Y and light rare earth elements (LREEs) spanning over three orders of magnitude. REE distribution patterns range from typical zircon patterns (LREE depletion, heavy REE enrichment, well-developed positive Ce and negative Eu anomalies) to patterns that are flat to concave downwards, with indistinct Ce and Eu anomalies. The change in REE pattern correlates with increases in alteration-sensitive parameters such as Ti concentration and (Dy/Sm) + (Dy/Nd), U–Pb discordance and content of common lead, and with a gradual washing-out of oscillatory zoning in cathodoluminescence images. U and Th concentrations also increase, but Th/U behaves erratically. Discordant zircon scatters along lead-loss lines to zero-age lower intercepts, suggesting that the isotopic and chemical variations are the results of disturbance long after deposition. The rocks sampled have been in a surface-near position (at least) since Late Cretaceous time, and exposed to deep weathering under intermittently hot and humid conditions. In this environment, even elements commonly considered as relatively insoluble could be mobilized locally, and taken up by radiation-damaged zircon. Such secondary alteration effects on U–Pb and trace elements can be expected in zircon in any ancient sedimentary rock that has been exposed to tropical–subtropical weathering, which needs to be considered when interpreting detrital zircon data.
Multi-DMEs for alternative position, navigation and timing (A-PNT)
Authors: Liang Xiao , Milner Carl , Macabiau Christophe , Estival Philippe 
Published: December 2021

AbstractDistance measuring equipment (DME/DME) as the main reversionary method provides alternative positioning, navigation and timing (A-PNT) services for use during a Global Navigation Satellite System (GNSS) outage. Considering the geometry limitation of DME/DME, multi-DMEs with better geometry can be used to increase the accuracy and integrity performance of positioning. This paper discusses the opportunities and challenges related to use of multi-DMEs as an alternate source of positioning, navigation and timing. To support the performance for A-PNT, the basic idea is considering the existing installed equipment. In this paper, barometer altimeter and TACAN are used to help improve the performance of A-PNT provided by multi-DMEs both in accuracy and integrity. Based on the database of EUROCONTROL, the test results demonstrate that 79⋅7% of a reference area roughly matching with the continental European locations achieve RNP 1 using multi-DMEs when the DME measurement accuracy is 0⋅2 NM (95%). When the DME measurement accuracy is 0⋅1 NM (95%), 87⋅9% of the reference area can achieve RNP 1 using multi-DMEs. The usage of barometer/TACAN measurements aided multi-DMEs improves the performance of the accuracy and integrity monitoring.
A spacecraft attitude manoeuvre planning algorithm based on improved policy gradient reinforcement learning
Authors: Hua Bing , Sun Shenggang , Wu Yunhua , Chen Zhiming 
Published: December 2021

AbstractTo solve the problem of spacecraft attitude manoeuvre planning under dynamic multiple mandatory pointing constraints and prohibited pointing constraints, a systematic attitude manoeuvre planning approach is proposed that is based on improved policy gradient reinforcement learning. This paper presents a succinct model of dynamic multiple constraints that is similar to a real situation faced by an in-orbit spacecraft. By introducing return baseline and adaptive policy exploration methods, the proposed method overcomes issues such as large variances and slow convergence rates. Concurrently, the required computation time of the proposed method is markedly reduced. Using the proposed method, the near optimal path of the attitude manoeuvre can be determined, making the method suitable for the control of micro spacecraft. Simulation results demonstrate that the planning results fully satisfy all constraints, including six prohibited pointing constraints and two mandatory pointing constraints. The spacecraft also maintains high orientation accuracy to the Earth and Sun during all attitude manoeuvres.
THE ORIGINS AND IDENTIFICATION OF THE EARLY MAYA FROM COLHA AND NORTHERN BELIZE
Authors: Valdez Fred , Sullivan Lauren A. , Buttles Palma J. , Aebersold Luisa 
Published: December 2021

AbstractInvestigations concerning the earliest Maya have been of archaeological interest for many decades. Northern Belize serves as a valuable region for researching and understanding early Maya developments. In particular, the ancient Maya site of Colha in northern Belize is a focal point of some early developments beginning in the Archaic period. Select resources in the region, especially in the chert-bearing zone, clearly had been of great interest and attraction to populations extending back into Paleoindian and Archaic times, as well as the Maya period for Colha and other sites near the resource zone. With the appearance of pottery-producing settled villages is the common assertion that Maya societies are in place around 1000b.c.Recent studies have identified much earlier occupants in the region with significant cultural developments, including semi-permanent occupation and horticulture occurring in the Late Archaic at approximately 3400b.c.It seems plausible, perhaps likely by our assessment, that these Late Archaic people (or aceramic populations) may have been the earliest Maya communities. Factors of defining communities, aspects of horticulture, and the transition from the Archaic into the Preclassic are reviewed in consideration of—just who were the earliest Maya?
Humanizing the intensive care unit experience in a comprehensive cancer center: A patient- and family-centered improvement study
Authors: Cuenca John A. , Manjappachar Nirmala , Nates Joel , Mundie Tiffany , Beil Lisa , Christensen Eric , Martin Peyton , Diaz Nancy , Layton Lorraine S. , Plexman Karen , Nates Joseph L. , Price Kristen J. , Idowu Olakunle 
Published: December 2021

AbstractObjectivesImproving family-centered outcomes is a priority in oncologic critical care. As part of the Intensive Care Unit (ICU) Patient-Centered Outcomes Research Collaborative, we implemented patient- and family-centered initiatives in a comprehensive cancer center.MethodsA multidisciplinary team was created to implement the initiatives. We instituted an open visitation policy (OVP) that revamped the use of the two-way communication boards and enhanced the waiting room experience by hosting ICU family-centered events. To assess the initiatives’ effects, we carried out pre-intervention (PRE) and post-intervention (POST) family/caregiver and ICU practitioner surveys.ResultsA total of 159 (PRE = 79, POST = 80) family members and 147 (PRE = 95, POST = 52) ICU practitioners participated. Regarding the decision-making process, family members felt more included (40.5% vs. 68.8%, p < 0.001) and more supported (29.1% vs. 48.8%, p = 0.011) after the implementation of the initiatives. The caregivers also felt more control over the decision-making process in the POST survey (34.2% vs. 56.3%, p = 0.005). Although 33% of the ICU staff considered OVP was beneficial for the ICU, 41% disagreed and 26% were neutral. Only half of them responded that OVP was beneficial for patients and 63% agreed that OVP was beneficial for families. Half of the practitioners agreed that OVP resulted in additional work for staff.Significance of resultsOur project effectively promoted patient- and family-centered care. The families expressed satisfaction with the communication of information and the decision-making process. However, the ICU staff felt that the initiatives increased their work load. Further research is needed to understand whether making this project universal or introducing additional novel practices would significantly benefit patients admitted to the ICU and their family.
Reconciling Observed and Predicted Tropical Rainforest OH Concentrations
Authors: Jeong Daun , Seco Roger , Emmons Louisa , Schwantes Rebecca , Liu Yingjun , McKinney Karena A. , Martin Scot T. , Keutsch Frank N. , Gu Dasa , Guenther Alex B. , Vega Oscar , Tota Julio , Souza Rodrigo A. F. , Springston Stephen R. , Watson Thomas B. , Kim Saewung 
Published: December 2021

AbstractWe present OH observations made in Amazonas, Brazil during the Green Ocean Amazon campaign (GoAmazon2014/5) from February to March of 2014. The average diurnal variation of OH peaked with a midday (10:00–15:00) average of 1.0 × 106 (±0.6 × 106) molecules cm−3. This was substantially lower than previously reported in other tropical forest photochemical environments (2–5 × 106 molecules cm−3) while the simulated OH reactivity was lower. The observational data set was used to constrain a box model to examine how well current photochemical reaction mechanisms can simulate observed OH. We used one near‐explicit mechanism (MCM v3.3.1) and four condensed mechanisms (i.e., RACM2, MOZART‐T1, CB05, CB6r2) to simulate OH. A total of 14 days of analysis shows that all five chemical mechanisms were able to explain the measured OH within instrumental uncertainty of 40% during the campaign in the Amazonian rainforest environment. Future studies are required using more reliable NOx and VOC measurements to further investigate discrepancies in our understanding of the radical chemistry in the tropical rainforest.
An Identification Method of Melting Layer Using the Covariance Wavelet Transform Based on GPM‐DPR Observations
Authors: Qiao Junqi , Ai Weihua , Hu Xiong , Liu Maohong , Hu Shensen 
Published: December 2021

AbstractA knowledge of melting layer (ML) is crucial for studying precipitation and hydrometeor. Based on the measurements of dual‐frequency ratio (DFRm) from the dual‐frequency precipitation radar on board the Global Precipitation Measurement satellite, we use the covariance wavelet transform (CWT) method to identify the ML top height (MLTH) through the DFRm profiles. Due to the influence of disturbance, the directly retrieved MLTH could be estimated mistakenly. To improve the reliability of the retrieved MLTH, a quality‐control algorithm based on the CWT method is developed. By comparing the MLTH with the corresponding 0°C isothermal heights, the retrieved MLTH are more reliable than the dual‐frequency precipitation radar (DPR) product, showing great potential in deploying the Global Precipitation Measurement DPR and the CWT method in the identification of the MLTH.