bluuebunny/crossref_metadata_2025 huggingface dataset:
Importance of Sample Selection in Exoplanet-atmosphere Population Studies
Authors: Batalha Natasha E. , Wolfgang Angie , Teske Johanna , Alam Munazza K. , Alderson Lili , Batalha Natalie M. , López-Morales Mercedes , Wakeford Hannah R.
Published: December 2022

Understanding planet formation requires robust population studies, which are designed to reveal trends in planet properties. In this work we aim to determine if and how different methods for selecting populations of exoplanets for atmospheric characterization with JWST could influence population-level inferences. We generate three hypothetical surveys of super-Earths/sub-Neptunes, with each survey designed to span a similar radius-insolation flux space. The survey samples are constructed based on three different selection criteria (evenly spaced by eye, binned, and a quantitative selection function). Using an injection-recovery technique, we test how robustly individual-planet atmospheric parameters and population-level parameters can be retrieved. We find that all three survey designs result in equally suitable targets for individual atmospheric characterization, but not equally suitable targets for constraining population parameters. Only samples constructed with a quantitative method or that are sufficiently evenly spaced-by-eye result in robust population parameter constraints. Furthermore, we find that the sample with the best targets for individual atmospheric study does not necessarily result in the best-constrained population parameters. The method of sample selection must be considered. We also find that there may be large variability in population-level results with a sample that is small enough to fit in a single JWST cycle (∼12 planets), suggesting that the most successful population-level analyses will be multicycle. Lastly, we infer that our exploration of sample selection is limited by the small number of transiting planets with measured masses around bright stars. Our results can guide future development of programs that aim to determine underlying trends in exoplanet-atmospheric properties, and, by extension, formation and evolution processes.
The Astrometric Animation of Water Masers toward the Mira Variable BX Cam
Authors: Xu Shuangjing , Imai Hiroshi , Yun Youngjoo , Zhang Bo , Rioja María J. , Dodson Richard , Cho Se-Hyung , Kim Jaeheon , Cui Lang , Sobolev Andrey M. , Chibueze James O. , Kim Dong-Jin , Amada Kei , Nakashima Jun-ichi , Orosz Gabor , Oyadomari Miyako , Oh Sejin , Yonekura Yoshinori , Sun Yan , Mai Xiaofeng , Zhang Jingdong , Wen Shiming , Jung Taehyun
Published: December 2022

We report very long baseline interferometry (VLBI) monitoring observations of the 22 GHz water (H2O) masers around the Mira variable BX Cam, which were carried out as a part of the EAVN Synthesis of Stellar Maser Animations project. Data of 37 epochs in total were obtained from 2018 May to 2021 June with a time interval of 3–4 weeks, spanning approximately three stellar pulsation periods (P = ∼440 days). In particular, the dual-beam system equipped on the VERA stations was used to measure the kinematics and parallaxes of the H2O maser features. The measured parallax, π = 1.79 ± 0.08 mas, is consistent with Gaia EDR3 and previously measured VLBI parallaxes within a 1σ error level. The position of the central star was estimated, based on both the Gaia EDR3 data and the center position of the ring-like 43 GHz silicon-monoxide (SiO) maser distribution imaged with the Korean VLBI Network. The three-dimensional H2O maser kinematics indicates that the circumstellar envelope is expanding at a velocity of 13 ± 4 km s−1, while there are asymmetries in both the spatial and velocity distributions of the maser features. Furthermore, the H2O maser animation achieved by our dense monitoring program manifests the propagation of shock waves in the circumstellar envelope of BX Cam.
The Host Galaxies of Hybrid Morphology Radio Sources
Authors: Stroe Andra , Catlett Victoria , Harwood Jeremy J. , Vernstrom Tessa , Mingo Beatriz
Published: December 2022

Based on their differing radio morphologies, powerful radio galaxies can be separated into the Fanaroff–Riley I (FR I) and II (FR II) classes. Hybrid morphology radio sources (HyMoRS) contain morphologies consistent with each type of jet on either side: a powerful, highly relativistic FR I–like jet terminating in a hotspot on one side and an FR I–like plume on the other. HyMoRS present a unique opportunity to study the conditions that give rise to the dichotomy. Using host galaxy properties, we conduct the first multiwavelength investigation into whether orientation can explain HyMoRS morphology. Through optical spectroscopy and mid-infrared photometry, we analyze the emission characteristics, and evaluate the broad characteristics of five HyMoRS host galaxies at intermediate redshifts (0.4 < z < 1.5). The HyMoRS host galaxies in our sample have properties consistent with typical host galaxies of FR II sources, suggesting that the observed hybrid morphologies may be caused by a dense, cluster-like environment bending FR II jets combined with a favorable orientation that can make one side appear similar to an FR I jet. Our results thus support the hypothesis that HyMoRS are mainly caused by environment and orientation.
Herschel Optimized Tau and Temperature (HOTT) Maps: Uncertainty Analysis and Robust Parameter Extraction
Authors: Singh Ayushi , Martin Peter G.
Published: December 2022

We introduce the HOTT dust optical depth and temperature maps parameterizing thermal dust emission. Such maps have revolutionized studies of the distribution of matter in molecular clouds and processes relevant to star formation, including virial stability. HOTT maps for a suite of fields, including the Herschel Gould Belt Survey, are available online. The standardization of our robust pipeline for modified blackbody fitting of the spectral energy distribution (SED) of high-quality archival submillimeter data from the Herschel Space Observatory is based on a thorough analysis and quantification of the uncertainties of the data. This enables proper weighting in the SED fits. The uncertainties assessed fall into four main categories: instrument noise; the cosmic infrared background anisotropy, a contaminating sky signal; gradient-related noise arising because of dust signal morphology; and calibration uncertainty, scaling with the signal strength. Zero-level adjustments are important too. An analysis of residuals from the SED fits across many fields supports the overall appropriateness of the assumed modified blackbody model and points to where it breaks down. Finding χ
2 distributions close to the theoretical expectation boosts confidence in the pipeline and the optimized quality of the parameter maps and their estimated uncertainties. We compared our HOTT parameter maps to those from earlier studies to understand and quantify the potential for systematic differences.
Turbulent Magnetic Field Amplification by the Interaction of a Shock Wave and Inhomogeneous Medium
Authors: Hu Yue , Xu Siyao , M. Stone James , Lazarian Alex
Published: December 2022

Magnetic fields of the order of 100 μG observed in young supernova remnants cannot be amplified by shock compression alone. To investigate the amplification caused by a turbulent dynamo, we perform three-dimensional MHD simulations of the interaction between a shock wave and an inhomogeneous density distribution with a shallow spectrum in the preshock medium. The postshock turbulence is mainly driven by the strongest preshock density contrast and follows the Kolmogorov scaling. The resulting turbulence amplifies the postshock magnetic field. The time evolution of the magnetic fields agrees with the prediction of the nonlinear turbulent dynamo theory of Xu & Lazarian. When the initially weak magnetic field is perpendicular to the shock normal, the maximum amplification of the field’s strength reaches a factor of ≈200, which is twice as large as that for a parallel shock. We find that the perpendicular shock exhibits a smaller turbulent Alfvén Mach number in the vicinity of the shock front than the parallel shock. However, the strongest magnetic field has a low volume filling factor and is limited by the turbulent energy due to the reconnection diffusion taking place in a turbulent and magnetized fluid. The magnetic field strength averaged along the z-axis is reduced by a factor ≳10. We decompose the turbulent velocity and magnetic field into solenoidal and compressive modes. The solenoidal mode is dominant and evolves to follow the Kolmogorov scaling, even though the preshock density distribution has a shallow spectrum. When the preshock density distribution has a Kolmogorov spectrum, the turbulent velocity’s compressive component increases.
Inpainting Hydrodynamical Maps with Deep Learning
Authors: Mohammad Faizan G. , Villaescusa-Navarro Francisco , Genel Shy , Anglés-Alcázar Daniel , Vogelsberger Mark
Published: December 2022

From 1000 hydrodynamic simulations of the CAMELS project, each with a different value of the cosmological and astrophysical parameters, we generate 15,000 gas temperature maps. We use a state-of-the-art deep convolutional neural network to recover missing data from those maps. We mimic the missing data by applying regular and irregular binary masks that cover either 15% or 30% of the area. We quantify the reliability of our results using two summary statistics: (1) the distance between the probability density functions, estimated using the Kolmogorov–Smirnov (K-S) test, and (2) the 2D power spectrum. We find an excellent agreement between the model prediction and the unmasked maps when using the power spectrum: better than 1% for k < 20 h Mpc−1 for any irregular mask. For regular masks, we observe a systematic offset of ∼5% when covering 15% of the maps, while the results become unreliable when 30% of the data is missing. The observed K-S test p-values favor the null hypothesis that the reconstructed and the ground-truth maps are drawn from the same underlying distribution when irregular masks are used. For regular-shaped masks, on the other hand, we find a strong evidence that the two distributions do not match each other. Finally, we use the model, trained on gas temperature maps, to inpaint maps from fields not used during model training. We find that, visually, our model is able to reconstruct the missing pixels from the maps of those fields with great accuracy, although its performance using summary statistics depends strongly on the considered field.
Vertical Equilibrium Model for Accretion Flow: An Exact General Relativistic Self-consistent Analysis
Authors: Chatterjee Sangita , Mondal Soumen , Basu Prasad
Published: December 2022

We provide a complete general relativistic and fluid dynamical treatment to derive an expression for the relativistic accretion rate in curved spacetime. We exploit the Killing symmetry of stationary axisymmetric spacetime to obtain the conserved current, using which we find an integral relation between mass flux and height of the accretion disk. In comparison with the existing different models of thin- and slim-disk approaches our analysis is self-consistent and mathematically rigorous. We reviewed the previous work and surveyed the recent status in this field. Our formula is different from the existing expression in the literature. The difference arises solely due to the rotation parameter of the compact star. The effect becomes important for slim/thick disks and for rapidly spinning compact stars. Thus one needs to alter the formula

M

̇

=
2
π
rH
ρ

u

r

for Newtonian or spherically symmetric spacetime while studying the accretion flows around a Kerr black hole. Our formula can also be used to connect the variability of the vertical structure of the accretion disk through the luminosity variation of X-ray binaries, and can thereby explain the origin of the hysteresis loop of the spectral states.
A Low-mass Pre-main-sequence Eclipsing Binary in Lower Centaurus Crux Discovered with TESS
Authors: Stassun Keivan G. , Torres Guillermo , Kounkel Marina , Feliz Dax L. , Bouma Luke G. , Howell Steve B. , Gnilka Crystal L. , Furlan E.
Published: December 2022

We report the discovery of 2M1222−57 as a low-mass, pre-main-sequence (PMS) eclipsing binary (EB) in the Lower Centaurus Crux (LCC) association for which, using Gaia parallaxes and proper motions with a neural net age estimator, we determine an age of 16.2 ± 2.2 Myr. The broadband spectral energy distribution (SED) shows clear excess at ≳10 μm indicative of a circumbinary disk, and new speckle imaging observations reveal a faint, tertiary companion separated by ∼100 au. Hα emission is modulated on the orbital period, consistent with theoretical models of orbitally pulsed accretion streams reaching from the inner disk edge to the central stars. From a joint analysis of spectroscopically determined radial velocities and TESS light curves, together with additional tight constraints provided by the SED and the Gaia parallax, we measure masses for the eclipsing stars of 0.74 M
⊙ and 0.67 M
⊙; radii of 0.98 R
⊙ and 0.94 R
⊙; and effective temperatures of 3750 K and 3645 K. The masses and radii of both stars are measured to an accuracy of ∼1%. The measured radii are inflated, and the temperatures suppressed, relative to predictions of standard PMS evolutionary models at the age of LCC; also, the Li abundances are ∼2 dex less depleted than predicted by those models. However, models that account for the global and internal effects of surface magnetic fields are able to simultaneously reproduce the measured radii, temperatures, and Li abundances at an age of 17.0 ± 0.5 Myr. Altogether, the 2M1222−57 system presents very strong evidence that magnetic activity in young stars alters both their global properties and the physics of their interiors.
Unveiling Hidden Stellar Aggregates in the Milky Way: 1656 New Star Clusters Found in Gaia EDR3
Authors: He 何 Zhihong 治宏 , Liu 刘 Xiaochen 效臣 , Luo 罗 Yangping 杨平 , Wang 王 Kun 坤 , Jiang 蒋 Qingquan 青权
Published: December 2022

We report 1656 new star clusters found in the Galactic disk (∣b∣ < 20°) beyond 1.2 kpc, using Gaia EDR3 data. Based on an unsupervised machine-learning algorithm, DBSCAN, and following our previous studies, we utilized a unique method to do the data preparation and obtain the clustering coefficients, which proved to be an effective way to search blindly for star clusters. We tabulate the physical parameters and member stars of the new clusters, and present some interesting examples, including a globular cluster candidate. The cluster parameters and member stars are available in machine-readable format in the online journal. We examine the new discoveries and discuss their statistical properties. The proper-motion dispersions and radii of the star clusters are the same as those previously reported. The new clusters beyond 1.2 kpc are older than those in the solar neighborhood, and the new objects found in the third Galactic quadrant present the lowest line-of-sight extinctions. Combined with our previous results, the total population of new clusters and candidates detected through our method is 2541, corresponding to 55% of all newly published clusters in the Gaia era. The number of cataloged Gaia star clusters was also increased to nearly 6000. In the near future, it will be necessary to make a unified confirmation and member star determination for all reported clusters.
A Southern Photometric Quasar Catalog from the Dark Energy Survey Data Release 2
Authors: Yang Qian , Shen Yue
Published: December 2022

We present a catalog of 1.4 million photometrically selected quasar candidates in the southern hemisphere over the ∼5000 deg2 Dark Energy Survey (DES) wide survey area. We combine optical photometry from the DES second data release (DR2) with available near-infrared (NIR) and the all-sky unWISE mid-infrared photometry in the selection. We build models of quasars, galaxies, and stars with multivariate skew-t distributions in the multidimensional space of relative fluxes as functions of redshift (or color for stars) and magnitude. Our selection algorithm assigns probabilities for quasars, galaxies, and stars and simultaneously calculates photometric redshifts (photo-z) for quasar and galaxy candidates. Benchmarking on spectroscopically confirmed objects, we successfully classify (with photometry) 94.7% of quasars, 99.3% of galaxies, and 96.3% of stars when all IR bands (NIR YJHK and WISE W1W2) are available. The classification and photo-z regression success rates decrease when fewer bands are available. Our quasar (galaxy) photo-z quality, defined as the fraction of objects with the difference between the photo-z z

p
and the spectroscopic redshift z

s
, ∣Δz∣ ≡ ∣z

s
− z

p
∣/(1 + z

s
) ≤ 0.1, is 92.2% (98.1%) when all IR bands are available, decreasing to 72.2% (90.0%) using optical DES data only. Our photometric quasar catalog achieves an estimated completeness of 89% and purity of 79% at r < 21.5 (0.68 million quasar candidates), with reduced completeness and purity at 21.5 < r ≲ 24. Among the 1.4 million quasar candidates, 87,857 have existing spectra, and 84,978 (96.7%) of them are spectroscopically confirmed quasars. Finally, we provide quasar, galaxy, and star probabilities for all (0.69 billion) photometric sources in the DES DR2 coadded photometric catalog.
Drechslerella daliensis and D. xiaguanensis (Orbiliales, Orbiliaceae), two new nematode-trapping fungi from Yunnan, China
Authors: Zhang Fa , Boonmee Saranyaphat , Monkai Jutamart , Yang Xiao-Yan , Xiao Wen
Published: December 2022

Nematode-trapping fungi are a highly specialised group in fungi and are essential regulators of natural nematode populations. At present, more than 130 species have been discovered in Zygomycota (Zoopagaceae), Basidiomycota (Nematoctonus), and Ascomycota (Orbiliaceae). Amongst them, nematode-trapping fungi in Orbiliaceae have become the research focus of carnivorous fungi due to their abundant species. During the investigation of carnivorous fungi in Yunnan, China, four fungal strains isolated from burned forest soil were identified as two new nematode-trapping species in Drechslerella (Orbiliaceae), based on multigene phylogenetic analysis and morphological characters.

Drechslerella daliensis sp. nov. is characterised by its ellipsoid, 1–2-septate macroconidia, clavate or bottle-shaped, 0–1-septate microconidia and unbranched, simple conidiophores. D. xiaguanensis sp. nov. is characterised by fusiform or spindle-shaped, 2–4-septate conidia and unbranched, simple conidiophores. Both of them produce constricting rings to capture nematodes. The phylogenetic analysis, based on combined ITS, TEF1-α and RPB2 sequences, determined their placement in Drechslerella. D. daliensis forms a basal lineage closely nested with D. hainanensis (YMF1.03993). D. xiaguanensis forms a sister lineage with D. bembicodes (1.01429), D. aphrobrocha (YMF1.00119) and D. coelobrocha (FWY03-25-1).
Acute toxicity test nanoherbal mahkota dewa fruit (Phaleria macrocarpa)
Authors: Simanjuntak Leo Jumadi , Rumahorbo Cheryl Grace Pratiwi
Published: December 2022

A common plant from Papua, Indonesia, called Phaleria macrocarpa (mahkota dewa), has potent therapeutic components. The aim of this study was to evaluate the toxicity level of nanoherbal mahkota dewa and its effect on the changes in hematology, biochemistry, electrolytes, and histopathology of the organ. High Energy Milling (HEM) was used to produce nanoherbal mahkota dewa. LD50 was determined in three stages: dose orientation test (12 mice), preliminary test (20 mice), and LD50 determination (30 mice) for 14 days using the Thomson Weil formula. LC50 was determined using the Brine Shrimp Lethality Test method with concentrations of 1, 10, 100, 1000, and 10,000 ppm. This study revealed that the LD50 value was 1g/kg BW 0,075 and the LC50 value was 2145,0407 ppm. The nanoherbal mahkota dewa affected the histological organs, hematological, biochemical, and electrolyte parameters but did not affect the weight of the organ significantly. From this study, it can be concluded that nanoherbal mahkota dewa belongs to the category of moderate toxicity. In a proper dose, it could be processed as an herbal medicine in the future.
Development of RP-HPLC methods for the analysis of Dexamethasone and Levofloxacin alone and in combinations used in the therapy of Covid-19
Authors: Peikova Lily , Tzankova Diana , Smerikarova Miglena , Balkanski Stefan , Zlatkov Alexander
Published: December 2022

In December 2019, the World Health Organization was informed of an outbreak of pneumonia of unknown etiology in Wuhan, Hubei Province, China. On January 7, 2020, a new type of coronavirus was isolated, with the WHO later officially calling it “COVID-19” and the International Committee on Taxonomy of Viruses naming the virus “SARS-CoV-2”. On January 30, 2020, the WHO declared the severe acute respiratory syndrome coronavirus 2 outbreak a public health emergency of international concern, making it an unprecedented global public health challenge. From a scientific and literary reference, it was established that the main drugs in the therapy with Covid-19 are Dexamethasone and Levofluoxetine. For this reason, we pay attention to the analysis of these two medicinal products. In the literature, we did not find an analysis of a combination of Dexamethasone and Levofloxacin. Development and validation of a highperformance liquid chromatographic analytical procedure for simultaneously determining Dexamethasone and Levofloxacin in a synthetic mixture is described in this paper. The separation was made with a LiChrosorb RP 18 (250 × 4.6 mm) column, at 25 °C temperature,with isocratic mode andmobile phase,containingt acetonitrile and woter (70-30v/v). Eluent was monitored at 254 nm and the flow rate was 1.0 ml/min. Dexamethasone and Levofluoxetine were effectively separated with retention time (tr) of 4.69 min and 14.51 min,respectively,with in the selected chromatographic conditions.The method was validated for analytical parameters: specificity, linearity, precision, accuracy,andlimits of detection and quantitation. The calibration curves were linear inthe concentration range of 12.5 to 100.0 μg/ml for Dexamethasone and Levofloxacin, and the regression coefficientswere more than 0.999. For Dexamethasone and Levofloxacin the recovery was 100.01% and 100.04%, respectively. This analytical procedure is applicable for the quality control of drug formulations.
Nineteen new species of Desmopachria Babington, 1841 (Coleoptera, Adephaga, Dytiscidae, Hydroporinae, Hyphydrini) with notes on the taxonomy of the genus
Authors: Miller Kelly B.
Published: December 2022

Nineteen new species of Desmopachria Babington, 1841 are described from multiple species groups. Two new species groups are erected, the Desmopachria apicodente species group and the Desmopachria bifurcita species group. Desmopachria divergenssp. nov. (Venezuela), Desmopachria lineatasp. nov. (Venezuela), Desmopachria surinamensissp. nov. (Suriname), and Desmopachria tenuasp. nov. (Guyana) are described in Desmopachria but are not assigned to a species group. Desmopachria apicodentesp. nov. (Guyana, Venezuela), Desmopachria lateralissp. nov. (Venezuela), and Desmopachria tumidasp. nov. (Venezuela) are described in the new Desmopachria apicodente species group and are the only members of the group. Desmopachria bifurcitasp. nov. (Peru), and Desmopachria latasp. nov. (Brazil) are described in the new Desmopachria bifurcita group. Other members of the Desmopachria bifurcita group are Desmopachria bifasciata Zimmermann, Desmopachria bolivari Miller, Desmopachria ovalis Sharp, and Desmopachria varians (each previously “ungrouped”). Desmopachria pseudocaviasp. nov. (Venezuela) is described in the Desmopachria convexa-signata species group. Desmopachria wolfeisp. nov. (Venezuela) is described in the Desmopachria nitida species group. Desmopachria angulatasp. nov. (Guyana, Suriname), Desmopachria emarginatasp. nov. (Guyana, Suriname, Venezuela), Desmopachria imparissp. nov. (Guyana), Desmopachria impunctatasp. nov. (Suriname, Venezuela), and Desmopachria truncatasp. nov. (Guyana, Suriname) are described in the Desmopachria portmanni-aldessa species group. Desmopachria bisulcatasp. nov. (Suriname), and Desmopachria irregularasp. nov. (Venezuela) are described in the Desmopachria portmanni-portmanni species group. Desmopachria robustasp. nov. (Venezuela) is described in the Desmopachria striola species group. A key to the species groups is included. Male genitalia are figured for all new species and dorsal habitus images are provided for most new species.
A SEIARQ model combine with Logistic to predict COVID-19 within small-world networks
Authors: Liu Qinghua , Yuan Siyu , Wang Xinsheng
Published: December 2022

Since the COVID-19 epidemic, mathematical and simulation models have been extensively utilized to forecast the virus's progress. In order to more accurately describe the actual circumstance surrounding the asymptomatic transmission of COVID-19 in urban areas, this research proposes a model called Susceptible-Exposure-Infected-Asymptomatic-Recovered-Quarantine in a small-world network. In addition, we coupled the epidemic model with the Logistic growth model to simplify the process of setting model parameters. The model was assessed through experiments and comparisons. Simulation results were analyzed to explore the main factors affecting the spread of the epidemic, and statistical analysis that was applied to assess the model's accuracy. The results are consistent well with epidemic data from Shanghai, China in 2022. The model can not only replicate the real virus transmission data, but also anticipate the development trend of the epidemic based on available data, so that health policy-makers can better understand the spread of the epidemic.
Mathematical modeling of the dynamics of maize streak virus disease (MSVD)
Authors: Ayembillah Abdul-Fatawu O. , Seidu Baba , Bornaa C. S.
Published: December 2022

In this paper, a deterministic ordinary differential equations model for the transmission dynamics of maize streak virus disease (MSVD) in maize plants is proposed and analyzed qualitatively. Using the next generation matrix approach, the basic reproduction number, $ \mathcal{R}_{0} $ with respect to the MSVD free equilibrium is found to be $ 4.7065\approx5 $. The conditions for local stability of the disease-free equilibrium and endemic equilibrium points were established. From the results, the disease-free equilibrium point was found to be unstable whenever $ \mathcal{R}_{0} > 1 $ and the endemic equilibrium point was found to be locally asymptotically stable whenever $ \mathcal{R}_{0} > 1 $. The sensitivity indices of various parameters with respect to the MSVD eradication or spreading were determined. It was found that $ b\; , \beta_{{1}}\; , \beta_{{11}}\; , $ and $ \beta_{{2}} $ are the parameters that are directly related to $ \mathcal{R}_{0} $, and $ H_{2}, \mu, \mu_{{1}} $ and $ \gamma $ are inversely related to $ \mathcal{R}_{0} $. Numerical simulation was performed and displayed graphically to justify the analytical results.
Branding, labelling and certification: Geographical and anthropological insights
Authors: Ledinek Lozej Špela , Razpotnik Visković Nika
Published: December 2022

This article presents a theoretical and conceptual introduction to the special issue dedicated to branding, labelling and certification. The authors present the connections of these qualification instruments with regional development, multiscalarity, and actor networks from a geographical and anthropological perspective. The special issue contributes to a better understanding of the interferences and interconnections of various accompanying processes associated with branding, labelling, and certification, such as actors' practises and relationships, social power relations, alternative marketing strategies, long-term impacts on ethical values, and emotional concern.
Review on preparation methods, mechanisms and applications for antioxidant peptides in oil
Authors: Pan F.G. , Yang E.Q. , Xu J.Y. , Lu Y.F. , Yang C.X. , Zhang Y.D. , Li S. , Liu B.Q.
Published: December 2022

Natural antioxidants, especially those used in edible oil, are safer compared to chemically synthesized antioxidants. Therefore, research on natural antioxidants has become prevelant. Antioxidant peptides derived from food protein can effectively prevent oil oxidation. Protein hydrolyzation is widely applied for the production of antioxidant peptides in industry, and bioinformatics is employed nowadays to generate the desired peptide sequence. Furthermore, the mechanism of antioxidant peptides in the oil system is still controversial, which limits the further development of antioxidant peptides as food antioxidants. This review introduces the preparation method of antioxidant peptides and their mechanisms as well as applications in the oil. It will help to comprehensively understand the function of antioxidant peptides and promote their development in the oil field.
Critique pour qui ? Politisation par l’enquête et objectivation de sa réception
Authors: Simonet Maud
Published: December 2022

En comparant sur plusieurs scènes la réception de mes recherches sur le travail bénévole – désenchantement pour les un.es, truisme pour les autres – et en prenant au sérieux le processus de politisation par l’enquête qui a été le mien, cet article propose une analyse située à la fois socialement et politiquement du désenchantement que produirait la sociologie catégorisée comme critique. Il met en lumière deux défenses de l’autonomie de l’engagement, au cœur de la critique de la critique : celui de l’autonomie de « l’engagement citoyen » des acteur.trices et de leur rapport au travail, et celui de l’autonomie du travail du chercheur.se et de ses « engagements », généralement présenté sous le topos de la « neutralité » de la recherche. Ce retour réflexif sur les effets de l’enquête sur les autres, mais aussi sur moi-même, vient questionner in fine la portée sociale et politique de cette « conception des mondes antagonistes » inscrite dans une « doctrine de la séparation des sphères » du travail et de l’engagement qui concerne ici tant l’objet que la pratique de recherche.
L’intersectionnalité, une menace pour la sociologie (et les sociologues français) des classes sociales ?
Authors: Clair Isabelle
Published: December 2022

Depuis la traduction, en 2005, de l’un des articles de Kimberlé W. Crenshaw introduisant le concept d’intersectionnalité, le mot et la perspective théorique que celui-ci labellise font l’objet d’une grande défiance de la part de nombreux·ses sociologues se revendiquant, en France, d’un positionnement critique. Le lexique de la menace est mobilisé pour disqualifier l’approche intersectionnelle – bien plus que pour la discuter – car celle-ci aurait pour visée, ou pour effet, de purement et simplement effacer la classe sociale comme catégorie d’analyse fondamentale. L’article revient sur les raisons d’un procès de plus en plus bruyant au fil des années, fait d’ignorances entretenues et de refus de la controverse.
Qu’est-ce que la critique dans la philosophie critique de la race ?
Authors: Bessone Magali
Published: December 2022

L’article se propose de prendre au sérieux la notion de « critique » pour évaluer dans quelles mesures, selon quelles caractérisations, sous quelles conditions et avec quelles limites, la philosophie critique de la race (PCR), qui désigne la théorie critique de la race spécifiquement dans le champ philosophique, constitue un savoir critique. La première section présentera la manière dont la PCR se définit par différence avec la philosophie de la race non critique, en termes de canon philosophique, de méthodes privilégiées et d’analyse des concepts centraux du champ : cela permettra de dégager, négativement, la fonction attribuée à la critique, méthodologiquement et théoriquement. La deuxième section dégagera trois sens possibles pour la pensée critique de la race selon les trois influences théoriques majeures du champ : la généalogie foucaldienne, la théorie critique et la phénoménologie critique. Enfin une dernière section, conclusive, se penchera plus précisément sur trois objectifs diversement défendus par les trois écoles critiques dans leur rapport à la vérité, au sujet de connaissance et à l’action.
Des potentialités phénoménologiques de l’interpellation : Butler, Ahmed et l’orientation des corps
Authors: Perron Justine
Published: December 2022

Cet article a pour objectif d’exposer les potentialités d’adaptation de la théorie de l’interpellation d’Althusser à un cadre phénoménologique, et ce à l’aide de ses récupérations par Judith Butler et Sara Ahmed. Non seulement leurs écrits aident à pallier plusieurs critiques émises à l’égard de la théorie althussérienne de l’idéologie – notamment son déterminisme latent et son universalisation du sujet –, mais ils nous aident aussi à mieux comprendre comment l’idéologie fonctionne au niveau du corps marginalisé. En effet, l’idéologie agit comme une orientation discursive et corporelle du sujet dans le monde, et ce en limitant son espace, sa temporalité et les objets lui étant accessibles. En liant interpellation et corps, il nous sera également possible de pousser la théorie de l’émancipation butlérienne vers une performativité corporelle ayant pour objet le corps vécu. À cet effet, nous soulignerons que les écrits d’Ahmed sur l’interpellation bonifient ceux de Butler, car ils ouvrent la porte vers une résistance à l’idéologie ancrée dans le corps via le concept de désorientation. Bien que la désorientation puisse servir de mécanisme d’assujettissement, elle peut également, selon certaines phénoménologues, créer de nouvelles voies d’émancipation (et possibilités) pour le sujet marginalisé.
Foucault est-il juste avec la psychanalyse ? Aux sources de son hostilité à la psychanalyse
Authors: Dartigues Laurent
Published: December 2022

Alors que La volonté de savoir s’annonce comme une archéologie de la psychanalyse et que certains voient en Foucault un « penseur de la psychanalyse », les références précises aux grands textes de la psychanalyse sont rares chez Foucault. Ses années de formation l’ont pourtant familiarisé avec les textes de Freud notamment, ainsi que le montrent les fiches de lecture conservées dans les archives Foucault. Force est de constater que cet intense effort de lecture laisse peu de traces dans son œuvre. Et lorsqu’il l’évoque aussi bien dans ses écrits que ses dits, Foucault est le plus souvent approximatif. Contrairement à l’interprétation commune, en lecteur de Politzer, il est en réalité très tôt embarrassé par l’hypothèse de l’inconscient. Et quand il se met à articuler ses recherches autour de la notion de savoir-pouvoir, son usage de la psychanalyse devient stratégique et de plus en plus éloigné des textes. « Être juste » avec la psychanalyse ne fait dès lors pas partie des préoccupations de Foucault. Quitte à alimenter bien avant l’heure le « livre noir » de la psychanalyse.
L’idéel
Authors: Ilyenkov Evald
Published: December 2022

Les tendances à la dématérialisation observables dans le capitalisme à partir des années 1960, de l’économie politique (le travail immatériel) aux pratiques artistiques (l’art conceptuel), ont suscité des tentatives pour repenser le matérialisme. Elles s’articulent autour de la recherche d’un matérialisme capable de rendre compte des rapports symbiotiques entre les objets matériels et leurs idéalisations. Les courants récents du tournant matériel, le réalisme agentiel de Barad par exemple, pourraient être lus comme une réponse à ce défi. Pourtant, l’absence notable de Marx dans ces théories crée un angle mort considérable. L’idéel (1962) du philosophe soviétique Evald Ilyenkov offre une perspective dialectique de ces problèmes en revenant à l’interprétation de Marx de ce concept en tant que forme de pratique sociale. En soulignant l’objectivité des formes idéelles contre leurs notions individualistes comme projections mentales, ou positivistes qui les réduisent à la structure neuronale du cerveau, Ilyenkov pose la nature irréductiblement sociale de la connaissance. Par une analyse des perceptions sensorielles, qui sont comprises comme possédant une histoire sociale, Ilyenkov ouvre la question de la convergence des paramètres idéels et matériels dans une société communiste. Le programme politique qui sous-tend son projet pourrait être défini comme une lutte pour des formes culturelles qui ne s’opposent pas au sujet comme étranger et hostile, mais devient sa fonction directe.
Scénario didactique : gestes d’ajustement et gestes d’étude, quelle(s) articulation(s) ?
Authors: Billon Virginie , Boiron Véronique
Published: December 2022

Notre travail porte sur l’exploration de gestes professionnels d’ajustement dans le cadre d’un atelier d’écriture autonome en maternelle. Il cherche à caractériser leur potentiel didactique au regard des gestes d’étude des élèves et amène à définir la notion de scénario didactique.
Les types de microconcertations et les gestes professionnels d’ajustement en contexte de co-enseignement intensif au Québec
Authors: Tremblay Philippe
Published: December 2022

Dans le cadre d’une recherche portant sur des dispositifs de co-enseignement intensif en enseignement secondaire, des observations réalisées en classe ont permis d’identifier 164 microconcertations entre co-enseignants, c’est-à-dire des moments où les deux enseignants se rencontrent en classe, au cours de l’action, pour échanger sur différents sujets. Utilisant la notion d’ajustement (Bucheton, 2009) pour analyser l’adaptation de l’enseignant à sa classe à partir du modèle des gestes professionnels en situation de co-enseignement (Saillot et Malmaison, 2018), l’objectif de cet article est d’identifier, de catégoriser et d’analyser les différents types de microconcertations ayant cours durant les périodes de co-enseignement. Cet article présente une typologie de dix types de microconcertations : rétroaction ; planification ; coordination ; régulation ; modification ; validation ; correction ; vérification ; évaluation et enfin, la discussion.
Comprendre la dynamique décisionnelle en situation d’interaction évaluative
Authors: Genelot Sophie , Boyer Jean-François
Published: December 2022

L’objet de cette recherche est d’analyser les choix décisionnels effectués par trois enseignant·e·s de cours préparatoire (élèves de six ans) lors de situations évaluatives interactives avec leurs élèves. À cette fin, nous mobilisons le modèle de la pensée interactive des enseignant·e·s proposé par Wanlin et Crahay (2012) dans lequel la décision est décrite comme une réponse comportementale à un risque de rupture du script prévu par l’enseignant·e. L’identification de ces prises de décisions est réalisée grâce au repérage des gestes (verbaux et co-verbaux) dans les situations filmées. Leur analyse permet de repérer une majorité de décisions relevant de l’étayage dont certaines peuvent faire l’objet d’éventuels dilemmes. A la lueur de ces résultats nous discutons la qualification de ces situations évaluatives et nous proposons de repenser la place du dilemme dans le modèle des deux auteurs pré-cités.
Des registres pour enseigner
Authors: Claude Marie-Sylvie , Crinon Jacques , Rayou Patrick
Published: December 2022

Nous proposons ici d’étendre à la compréhension du développement professionnel des enseignants la notion de « registres », originellement développée pour comprendre les apprentissages des élèves : le registre cognitif pour la conception d’un milieu didactique et son analyse ; culturel pour les valeurs attribuées à l’enseignement et aux objets enseignés ; identitaire-symbolique pour le mode d’engagement de soi. Les données sont issues d’une recherche sur la classe inversée : à partir de deux monographies d’enseignantes, qui investissent le dispositif de façon contrastée, nous montrons que cet appui théorique permet de saisir les différences d’un style professionnel à l’autre.
Anti-Social Factors Influence the Decision Making of Tourists
Authors: Najar Parwaiz Ahmad , Dar Hafizullah , Singh Priya , Najar Ashaq Hussain
Published: December 2022

This study is based on extensive scanning of literature about the anti-social factors and their influence on TDM in the Kashmir Valley. Content analysis has applied to the scanned literature. It is clarified from the literature that different anti-social factors exist in societies, but terrorism and biased media are highly influential anti-social factors that influence tourist decision making (TDM) negatively. Generally, way old terrorism incidents of Kashmir are exaggerated by many media houses, and fake news is designed for viewers, mainly for their TRP and other interests. According to results, anti-social factors such as terrorism and biased media have changed the tourists' decision making and their perception drastically regarding the brand of Kashmir as a secure destination.
Racially Motivated Police Brutality Is a Community Public Health Issue in the United States
Authors: Burrell Darrell Norman , Burton Sharon L. , McGrath Grace E.
Published: December 2022

Ongoing global protests against police violence and racism were heightened in 2020 after the deaths of Breana Taylor and George Floyd, whose deaths made headlines worldwide and raised awareness of the Black Lives Matter movement, which targets structural racism and violence against Black people in the USA and abroad. There are many documented links between policing and health-related outcomes, including but not limited to fatal injuries that increase population-specific mortality rates, adverse physiological responses that increase morbidity, psychological stress, arrests, incarcerations, and legal, medical, and funeral bills that cause socioeconomic deprivation, poor school performance, incomplete high-school education and not entering higher education, and the intersecting oppressive structures that result in systematic disempowerment and the destruction of civil liberties. This paper makes the case for classifying and exploring police brutality as a public health issue.
An analysis on Sustainability in farming sector and ecosystem to reduce Risk-Factors Affecting the Mental-Health of Farmers
Authors: Chauhan Hullash , Suchismita Satapathy  , Sahoo Ashok Kumar Kumar , Panigrahi Isham
Published: December 2022

Agriculture can be seen as an isolated occupation as farmers work long hours, often alone and in bad weather conditions. Stress can arise from social and psychological conditions and can disrupt well-being and psychological functions. Recently there has been overall concern about the mental health problems of farmers. This study aims to fill an important gap in the mental health of farming for the sustainable agricultural system, for reducing the major potential risk factor affecting the mental health of farmers around the world. In this paper, based on a wide review of literature and discussions with farmers as well as experts in the agriculture field, the risk factors in agriculture leading to the mental stress of farmers were recognized. Subsequently, by the use of the fuzzy TOPSIS technique, all the identified risk factors were ranked based on their preference.
Off-Farm Income Effect on Farmer Response to Climate Change in the Northern Region of Ghana
Authors: Adam Mohammed , Alidu Abdul-Fatahi , Sulemana Abudulai
Published: December 2022

This study assessed the effect of off-farm income on maize farmers' responses to climate change in the Tolon district of Northern Region of Ghana. Using multi-stage sampling technique and semi-structured questionnaires, 150 maize farmers from five communities were interviewed. Heckman's treatment effect model was used. The result showed that majority had off-farm income that they received from trading. Furthermore, off-farm income has a significant effect on adoption of adaptation strategies. The majority of the farmers had perceived changes in the climate over the past decades and adaptation strategies practiced included changing planting date, changing crop variety, diversifying crop type, mixed cropping, and keeping animals alongside crop cultivation. Based on the findings from this study, government should provide enabling environment that will create and increase opportunities for farmers to engage in other income-generating activities that will provide them with additional income to procure necessary inputs and tools for appropriate response to the ongoing climate change problem.
Improving the Efficiency of a Public Health Service by Designing Its Innovation Management Structure Based on Data Envelopment Analysis
Authors: Barros Oscar , Aguilera Ismael
Published: December 2022

This paper presents a proposal for Chile's health system innovation structure based on a formal service design approach, including management and process architecture definition. Such structure defines how to allocate innovation resources in the health system to increase its efficiency. It uses data envelopment analysis (DEA) to measure hospitals' efficiency, which also determines the variables that explain such efficiency. Thus, the architecture uses the knowledge about hospitals' efficiency and their determinants to define innovation projects and assign financial resources for them. It also assures their implementation to increase the efficiency of the hospitals. DEA measurements show great improvement potential since only six of 40 hospitals had an efficiency value of 1.0. Some of the projects with the best improvement potential were implemented with very good results, summarized in the paper. The main contribution of this work is to formalize and enlarge the scope of the structural design of health services to generate improved results for users at a lower cost.
Circular LBP Prior-Based Enhanced GAN for Image Style Transfer
Authors: Qian Wenguang , Li Hua , Mu Haiping
Published: December 2022

Image style transfer (IST) has drawn broad attention recently. At present, convolutional neural network (CNN)-based methods and generative adversarial network (GAN)-based methods have been broadly utilized in IST. However, the texture of images obtained by most methods presents a lower definition, which leads to insufficient details of IST. To this end, the authors present a new IST method based on an enhanced GAN with a prior circular local binary pattern (LBP). They utilize circular LBP in a GAN generator as a texture prior to improve the detailed textures of the generated style images. Meanwhile, they integrate a dense connection residual block and an attention mechanism into the generator to further improve high-frequency feature extraction. In addition, the total variation (TV) regularizer is integrated into the loss function to smooth the training results and restrain the noise. The qualitative and quantitative experimental results demonstrate that the metric quality of the generated images can achieve better effects by the proposed strategy compared with other popular approaches.
Media Platforms and Stock Performance
Authors: Jin Xiaoman , Wang Jun , Tan Jinghua , Li Qing
Published: December 2022

Media-aware stock performance has been well recognized in recent studies. Previous research, however, focused on the content influence of the media, ignoring the manner in which the media is delivered. Based on the trust theory, this study argues that the media platforms, as media distribution vehicles and trust endorsement for news, are themselves influential on the stock market. This paper collected news data from seven Chinese mainstream media platforms and classified them into official, professional, and mass media platforms to investigate the impact of different platforms. The authors find that high official and professional media coverage predict increased abnormal returns, while high mass media coverage predicts the opposite. In addition, this paper systematically explores the mechanism of media platforms on stock performance from the perspectives of platform content, audience, and publication timeliness. The findings include that investors' attention to media platforms has a moderating effect on the stock performance, and such an effect is more salient in bear markets.