bluuebunny/crossref_metadata_2025_split huggingface dataset:
The nitrogen fertilizer conundrum: why is yield a poor determinant of crops’ nitrogen fertilizer requirements?
Authors: Thorburn Peter J. , Biggs Jody S. , Puntel Laila A. , Sawyer John E. , Everingham Yvette L. , Archontoulis Sotirios V. 
Published: March 2024

AbstractThe application of nitrogen (N) fertilizer both underpins high productivity of agricultural systems and contributes to multiple environmental harms. The search for ways that farmers can optimize the N fertilizer applications to their crops is of global significance. A common concept in developing recommendations for N fertilizer applications is the “mass balance paradigm” – that is, bigger crops need more N, and smaller less – despite several studies showing that the crop yield at the optimum N rate (Nopt) is poorly related to Nopt. In this study we simulated two contrasting field experiments where crops were grown for 5 and 16 consecutive years under uniform management, but in which yield at Nopt was poorly correlated to Nopt. We found that N lost to the environment relative to yields (i.e., kg N t-1) varied +/- 124 and 164 % of the mean in the simulations of the experiments. Conversely, N exported in harvested produce (kg N t-1) was +/- 11 and 48 % of the mean. Given the experiments were uniformly managed across time, the variations result from crop-to-crop climatic differences. These results provide, for the first time, a quantitative example of the importance of climatic causes of the poor correlation between yield at Nopt and Nopt. An implication of this result is that, even if yield of the coming crop could be accurately predicted it would be of little use in determining the amount of N fertilizer farmers need to apply because of the variability in environmental N losses and/or crop N uptake. These results, in addition to previous empirical evidence that yield at Nopt and Nopt are poorly correlated, may help industry and farmers move to more credible systems of N fertilizer management.
Neosanding postprocessing for improving surface roughness of extrusion-based 3D printing of PLA parts: a comparative analysis of stylus profilometer and confocal profilometry methods
Authors: Alzyod Hussein , Ficzere Peter 
Published: March 2024

AbstractExtrusion-based 3D printing (E3DP) is a popular additive manufacturing technique known for its versatility in creating prototypes and functional parts. However, achieving high surface quality has posed challenges regarding accuracy and finish. To address this issue, this study aims to enhance the surface quality of E3DP components fabricated by the fused filament fabrication (FFF) method and polylactic acid (PLA) material by applying neosanding postprocessing. The research investigates the impact of key neosanding process factors on surface roughness, namely neosanding spacing, neosanding speed, and flow rate. To ensure a comprehensive evaluation, each factor is examined at four levels, covering a wide range of values relevant to the neosanding process. Surface roughness is quantified using the average roughness parameter (Ra) and measured using both stylus profilometer and confocal profilometry methods. The results highlight a substantial decrease in surface roughness achieved through the neosanding method. At default factor levels of the neosanding method, the stylus profilometer method achieves an impressive 83% reduction in surface roughness, while the confocal profilometry method achieves an 80% reduction. Among the neosanding process factors, neosanding spacing significantly influences surface roughness values. Understanding and optimizing this factor is crucial for achieving desired surface quality in FFF-produced PLA parts. This study makes a valuable contribution to the field by optimizing surface roughness in FFF-produced PLA parts through neosanding postprocessing. By exploring the influence of neosanding tool factors and comparing measurement methods, manufacturers can enhance the surface quality of FFF-manufactured parts, paving the way for broader applications across various industries.
Perceptions of veterinary extension staff regarding poultry feed and ingredients in selected districts of Uganda: a qualitative study
Authors: Kizza Daniel , Okello Samuel , Kalule Dorothy Nampanzira , Winfred Awino , Azuba Rose , Nalubwama Sylvia , Margret Nabulime , Joshua Isiko , Immaculate Nakabugo , Kayemba Vincent , Tree Jennifer M. Jabson , Odoi Agricola 
Published: March 2024

Abstract
Background
Feedstuffs and poultry feeds of low quality are major limitations to the growth of the poultry sector.

Methods
A qualitative study approach using key informant interviews was used to collect information. The thematic analysis method using a prescribed coding frame was used to analyze the data. Three themes emerged from the data: overview and business environment, consequences and propositions, and quality and enforcement.

Results
The study revealed that poultry feed sub sector is constituted by several players operating at varying scale of business dealing in either imported concentrates, feed stuffs or complete feed. The sector was not well regulated and there was no systematic surveillance done to evaluate the quality of products (feeds and feedstuffs) sold to the farmers. Some regions did not have any feed analytical facilities and therefore farmers mainly depended on subjective judgement using their sense of sight, smell, taste and touch to evaluate the quality of feedstuffs. Regulatory services such as certification of animal feed mills were insufficient not surprising that poultry farmers complained about feedstuff adulteration. The only requirement in place to operate feed and feedstuff business was an annual trade license. The actors/players in poultry feed business operated independently of their formal body or association.

Conclusion
This study showed that there is legislation gap in the animal feed sector. The players in the sector were at liberty not to follow standards that ensure quality feeds and feedstuffs.
CHOQUET INTEGRALS, HAUSDORFF CONTENT AND FRACTIONAL OPERATORS
Authors: HATANO NAOYA , KAWASUMI RYOTA , SAITO HIROKI , TANAKA HITOSHI 
Published: March 2024

AbstractWe show that the fractional integral operator
$I_{\alpha }$
,
$0<\alpha <n$
, and the fractional maximal operator
$M_{\alpha }$
,
$0\le \alpha <n$
, are bounded on weak Choquet spaces with respect to Hausdorff content. We also investigate these operators on Choquet–Morrey spaces. The results for the fractional maximal operator
$M_\alpha $
are extensions of the work of Tang [‘Choquet integrals, weighted Hausdorff content and maximal operators’, Georgian Math. J.18(3) (2011), 587–596] and earlier work of Adams and Orobitg and Verdera. The results for the fractional integral operator
$I_{\alpha }$
are essentially new.
Diplomatic Relations between Poland and the Holy See and the Vatican's Ostpolitik from the Perspective of Cardinal Stefan Wyszyński, Primate of Poland 1948–1981
Authors: Kucharski Wojciech 
Published: March 2024

AbstractThe activity of Cardinal Stefan Wyszyński as the Primate of Poland occurred in a period when Poland did not maintain diplomatic relations with the Holy See. The period between 1948 and 1981 can be divided, from the perspective of the Warsaw authorities, into three subperiods: no relations and no talks (informal and official), 1948–1965; negotiations, 1965–1974; and working contacts, 1974–1981. The years 1964–1978 were also the period of the apogee of the Vatican's Ostpolitik carried out by Msgr Agostino Casaroli, under the auspices of Pope Paul VI. Cardinal Wyszyński was directly involved four times in talks on the arrangement of Polish–Vatican relations: in 1951, 1957, 1963, and 1965. With time, however, the primate gained more and more distance from the purposefulness of establishing relations between the Holy See and communist states. It should be added that from the beginning of the 1970s, the primate was quite critical of the effects of the Vatican's so-called Ostpolitik. At the end of the pontificate of Paul VI, an open conflict arose between the Secretariat of State and the Primate of Poland, which was resolved only with the election of Karol Wojtyła as Pope.
Structural and physical basis for the elasticity of elastin
Authors: Depenveiller Camille , Baud Stéphanie , Belloy Nicolas , Bochicchio Brigida , Dandurand Jany , Dauchez Manuel , Pepe Antonietta , Pomès Régis , Samouillan Valérie , Debelle Laurent 
Published: March 2024

Abstract
Elastin function is to endow vertebrate tissues with elasticity so that they can adapt to local mechanical constraints. The hydrophobicity and insolubility of the mature elastin polymer have hampered studies of its molecular organisation and structure-elasticity relationships. Nevertheless, a growing number of studies from a broad range of disciplines have provided invaluable insights, and several structural models of elastin have been proposed. However, many questions remain regarding how the primary sequence of elastin (and the soluble precursor tropoelastin) governs the molecular structure, its organisation into a polymeric network, and the mechanical properties of the resulting material. The elasticity of elastin is known to be largely entropic in origin, a property that is understood to arise from both its disordered molecular structure and its hydrophobic character. Despite a high degree of hydrophobicity, elastin does not form compact, water-excluding domains and remains highly disordered. However, elastin contains both stable and labile secondary structure elements. Current models of elastin structure and function are drawn from data collected on tropoelastin and on elastin-like peptides (ELPs) but at the tissue level, elasticity is only achieved after polymerisation of the mature elastin. In tissues, the reticulation of tropoelastin chains in water defines the polymer elastin that bears elasticity. Similarly, ELPs require polymerisation to become elastic. There is considerable interest in elastin especially in the biomaterials and cosmetic fields where ELPs are widely used. This review aims to provide an up-to-date survey of/perspective on current knowledge about the interplay between elastin structure, solvation, and entropic elasticity.
Unknown Pleasure: interpretations of the mystery hiss in Feist's 2017 album
Authors: Coughlan-Allen Joseph 
Published: March 2024

AbstractThis article examines the critical reception of Feist's 2017 album Pleasure, and interpretations by reviewers of the mysterious hiss that permeates most of the album's tracks. I firstly contextualise Pleasure in relation to the aesthetics of record production. I then examine interviews with Feist and her collaborators to identify the source of the hiss, and explain its presence on Pleasure. Lastly, I examine a corpus of 20 reviews, showcasing how critics (mis)identified and (mis)interpreted the sound, as well as the effect of this on their overall understanding of the album. To explain the relationship between the hiss and accompanying music, I assume a semiotic perspective. Following Poyatos, I regard these two kinds of sound as part of distinct yet related cosystems of signs, loosely analogous to the relationship between verbal utterances and nonverbal behaviours in face-to-face communication. Through this lens, I analyse how Pleasure's hiss was heard to modify, support, emphasise and undermine the meaning of the music by reviewers.
Preparing teachers for the future: Microteaching in the immersive VR environment
Authors: Lee Sangmin-Michelle , Wu Junjie Gavin 
Published: March 2024

AbstractThe present study aims to explore how pre- and in-service language teachers incorporate the cutting-edge technology of immersive virtual reality (iVR) into their teaching practice. Specifically, the study examined how their different knowledge levels and teaching experiences influenced their integration of technology by analyzing their performance-based tasks in microteaching in an iVR environment. This particular technology was selected for the study because it was expected to bring multiple pedagogical benefits to future foreign language learning classrooms, such as contextualized learning, increased learner motivation and interest, and enhanced interaction and communicative skill training. The study employed in-depth qualitative analysis. Data (lesson plans, screen recordings of microteaching episodes, and reflection papers) were collected from one preservice teacher training course and one in-service teacher training course at a Korean university. The study found a large gap between pre- and in-service teacher performance and identified the sources of the differences based on qualitative data analysis. The results showed that not only teachers’ technological knowledge but also their pedagogical knowledge of the use of technology and confidence in teaching affected technology integration. As technology integration has become more important in language education, the current study provided insight into how to better prepare teachers for future learners.
The Next-Generation Laboratory Experiments on Planetary Materials
Authors: Yu Xinting 
Published: March 2024

AbstractLaboratory experiments are found to be extremely important in the field of planetary and exoplanetary science. In this proceeding, I cover three aspects of my envisioned next-generation laboratory research and the previous and current works of our group on achieving these visions. I will include three topics: 1) using material science techniques to study planetary materials, 2) collaborative laboratory research on planetary and exoplanetary haze analogs, and 3) building a robust laboratory database to better understand various atmospheric and surface processes on Titan and exoplanets. I will also elaborate on how such laboratory work could power next-generation space missions such as the Dragonfly mission to Titan and the James Webb Space Telescope.
About the atomic and molecular databases in the planetary community – A contribution in the Laboratory Astrophysics Data WG IAU 2022 GA session
Authors: Rengel M. 
Published: March 2024

AbstractThis paper corresponds to an invited oral contribution to the session 5A organised by the IAU inter-commission B2-B5 working group (WG) “Laboratory Astrophysics Data Compilation, Validation and Standardization: from the Laboratory to FAIR usage in the Astronomical Community” at the IAU 2022 General Assembly (GA) Rengel (2022). This WG provides a platform where to discuss the Findability, Accessibility,Interoperability, Reuse (FAIR) usage of laboratory Atomic and Molecular (A&M) data in astronomy and astrophysics.A&M data play a key role in the understanding of the physics and chemistry of processes in several research topics, including planetary science and interdisciplinary research in particular the atmospheres of planets and planetary explorations, etc. Databases, compilation of spectroscopic parameters, and facility tools are used by computer codes to interpret spectroscopic observations and simulate them. In this talk I presented existing A&M databases of interest to the planetary community focusing on access, organisation, infrastructures, limitations and issues, etc.
Accurate new atomic data for Galactic Surveys
Authors: Belmonte Maria Teresa , Sen Sarma Pratysuh R. , Mar Santiago 
Published: March 2024

AbstractFor the last 20 years, Galactic Surveys have been revolutionizing our vision of the universe and broadening our understanding of the vastness of space that surrounds us. Galactic Surveys such as APOGEE, Gaia-ESO, GALAH, WEAVE and the currently-under-development 4MOST are teaching us a great deal about the chemical composition of stellar atmospheres, the formation and evolution of galaxies and how elements are synthesised in the universe. However, many questions remain unanswered and the current focus of ongoing and future surveys. Answering each of these questions requires the collection of data, normally as spectra, as most of the information we receive from the universe is electromagnetic radiation. Following the very expensive acquisition of astronomical spectra, another crucial task lies ahead: the analysis of these spectra to extract the priceless information they carry. High-quality atomic data of many neutral and ionised species is essential to conduct this analysis.
Laboratory Astrophysics Activities IAU Commission B5 2022 GA
Authors: Barklem P. S. , Barbuy B. , Dubernet M.L. , Ryu D. , Salama F. , Tan P.K. , Watanabe N. 
Published: March 2024

AbstractThis paper gives an overview of the IAU B5 commission session on “Laboratory Astrophysics Activities” at the 2022 IAU General Assembly (GA). It provides a brief overview of the talks that were given in that session. The IAU 2022 GA B5 commission meeting was organised to present Laboratory Astrophysics activities in various parts of the world in an attempt to provide a first step towards a “Global Network of Laboratory Astrophysics Network of Activities and Data”. The program (10.5281/zenodo.7051332) and the presentations can be found in the ZENODO “cb5-labastro” community (https://zenodo.org/communities/cb5-labastro).
Laboratory Astrophysics Data Working Group IAU 2022 GA session
Authors: Dubernet M.L. , Berriman G.B. , Boersma C. , Jäger C. , Rengel M. , Rocha W. R. M. , Salama F. , Zwölf C.M. 
Published: March 2024

AbstractThe paper corresponds to the session organised by the IAU inter-commission B2-B5 working group “Laboratory Astrophysics Data Compilation, Validation and Standardization: from the Laboratory to FAIR usage in the Astronomical Community” at the IAU 2022 General Assembly. The session included talks about the usage and implementation of FAIR concepts in VAMDC and in the IVOA, then domain specific talks oriented towards planetology, dust and ices. The program (doi.org/10.5281/zenodo.7050654) and the various talks can be found in the ZENODO “cb5-labastro” community (zenodo.org/communities/cb5-labastro).
ML‐Based Hybrid SAR and Optical Image LULC Mapping and Change Analysis With Variations in the Air Quality of the Imphal Valley, North‐East India
Authors: Gupta Priyanka , Shukla Arun Kumar , Shukla Dericks Praise 
Published: March 2024

AbstractImphal Valley, situated in Manipur, India, stands as an intermontane valley of great ecological significance, notably hosting Loktak Lake. This research delves into the Land Use Land Cover Change (LULCC) within the Imphal Valley from 2016 to 2021 and assesses their impact on air quality across distinct land cover types. We used Sentinel‐1 & 2 data, ALOS PALSAR Digital Elevation Model, and applied Random Forest (RF), a machine learning algorithm for effective land use and land cover (LULC) mapping. Additionally, Sentinel‐5P data was utilized to monitor air quality parameters (CO, HCHO, NO2, SO2, Aerosol Index) spanning 2019 to 2021. The overall accuracies for the LULC maps employing a k (k = 3) fold approach for accuracy assessment varied between 88% and 92%, with corresponding Kappa coefficient ranging from 0.85 to 0.90. Noteworthy trends emerged from our analysis, revealing an increase in settlements and horticulture farms and a decline in forested areas and phumdis (floating biomass). Our findings highlight a mean concentration of CO ranging between 0.045 mol/m2 and 0.055 mol/m2 in different land cover types during February and March (2019–2021). Furthermore, we observed maximum mean HCHO, NO2, SO2, and aerosol index concentrations in March. Pollution levels surged during forest fires and shifting agriculture seasons, while aerosol levels declined during the lockdown period. This integrated approach emphasized on the comprehensive analysis of the dynamic interplay between LULCC and air quality in the Imphal Valley. This intricate relationship between LULC changes and air quality dynamics in the Imphal Valley, contribute to our understanding of the environmental dynamics in this ecologically vital region.
Amplified Extreme Floods and Shifting Flood Mechanisms in the Delaware River Basin in Future Climates
Authors: Sun Ning , Wigmosta Mark S. , Yan Hongxiang , Eldardiry Hisham , Yang Zhaoqing , Deb Mithun , Wang Taiping , Judi David 
Published: March 2024

AbstractHistorical records in the Delaware River Basin reveal complex and spatially diverse flood generating mechanisms influenced by the region's mountains‐to‐plains gradients. This study focuses on predicting future flood hazards and understanding the underlying drivers of changes across the region. Using a process‐based hydrological model, we analyzed the hydrometeorological condition of each historical and future flood event. For each event, at the subbasin scale, we identified the dominant flood generating mechanism, including snowmelt, rain‐on‐snow, short‐duration rain, and long‐duration rain. The rain‐induced floods are further categorized based on the soil's Antecedent Moisture Condition (AMC) before the event, whether dry, normal, or wet. Our historical analysis suggests that rain‐on‐snow is the primary flood mechanism of the Upper Basin. Although most frequent, the magnitude of rain‐on‐snow floods is often less severe than short rain floods. In contrast, historical floods in the Lower Basin are primarily caused by short rain under normal AMC. Given the uncertainties in climate projections, we used an ensemble of future climate scenarios for flood projections. Despite variations in regional climate projections, coherent perspectives emerge: the region will shift toward a warmer, wetter climate, with a projected intensification of extreme floods. The Upper Basin is projected to experience a marked decrease in rain‐on‐snow floods, but a substantial increase in short rain floods with wet AMC. The largest increase in flood magnitude will be driven by short rains with wet AMC in the Upper Basin and by short rains with normal AMC in the Lower Basin.
Anisotropic Reversible‐Jump McMC Shear‐Velocity Tomography of the Eastern Alpine Crust
Authors: Kästle E. D. , Tilmann F. ,   AlpArray and Swath‐D Working Groups
Published: March 2024

AbstractThe eastern Alpine crust has been shaped by the continental collision of the European and Adriatic plates beginning at 35 Ma and was affected by a major reorganization after 20 Ma. To better understand how the eastern Alpine surface structures link with deep seated processes, we analyze the depth‐dependent seismic anisotropy based on Rayleigh wave propagation. Ambient noise recordings are evaluated to extract Rayleigh wave phase dispersion measurements. These are inverted in a two step approach for the azimuthally anisotropic shear velocity structure. Both steps are performed with a reversible jump Markov chain Monte Carlo (rj‐McMC) approach that estimates data errors and propagates the modeled uncertainties from the phase velocity maps into the depth inversion. A two layer structure of azimuthal anisotropy is imaged in the Alpine crust, with an orogen‐parallel upper crust and approximately orogen‐perpendicular layer in the lower crust and the uppermost mantle. In the upper layer, the anisotropy tends to follow major fault lines and may thus be an apparent, structurally driven anisotropy. The main foliation and fold axis orientations might contribute to the anisotropy. In the lower crust, the N‐S orientation of the fast axis is mostly confined to regions north of the Periadriatic Fault and may be related to European subduction. Outside the orogen, no clearly layered structure is identified. The anisotropy pattern in the northern Alpine foreland is found to be similar compared to SKS studies which is an indication of very homogeneous fast axis directions throughout the crust and the upper mantle.