bluuebunny/crossref_metadata_2025 huggingface dataset:
The use of non-traditional types of flour in the production of gluten-free butter cookies
Authors: Belyaev Alexey , Shvets Olga , Belyaeva Irina
Published: July 2024

This study investigates the potential of using rice, corn, and millet flour, as well as burdock root flour, as a fortifying additive in the production of gluten-free butter cookies. The control sample was a classic butter cookie recipe using a gluten-free mixture of rice, corn, and millet flour. Burdock root flour was added in varying proportions (5%, 10%, 15%) to the remaining recipe components, replacing them. The samples were evaluated based on physical and chemical indicators, including ash content, alkalinity, moisture content, wettability, and iron content. Organoleptic properties were also considered. The results showed an increase in iron and ash content compared to the control sample. Sample 3 was found to be the most successful based on physical and chemical indicators, while sample 1 was the best according to organoleptic indicators.
Sustainable approaches to the formation of regional livestock clusters
Authors: Novikov Mikhail , Liseikina Olga , Derevyagin Daniil , Yertay Akbota , Churaev Abdurakhman , Doshanov Daulet
Published: July 2024

Russia’s agricultural areas require additional state support to modernize production and processing complexes in the agro-industrial sector. In addition, the presence of large agricultural holdings does not provide opportunities for competition to small farms, which leads to a reduction in their number. In this situation, it is necessary to cooperate and integrate large and small businesses in the livestock industry to redistribute efforts and specialization of farms. The article considers the peculiarities of the organization of the cluster model of agribusiness in the sphere of livestock production. Conclusions are drawn about the directions and algorithms of re-profiling and specialization of farming in the conditions of the cluster approach.
Cost formation of the digital information model of agricultural objects
Authors: Alekseeva Tatyana , Alekseev Stanislav
Published: July 2024

Digitalization of agricultural construction is one of the most important tasks. One of the areas of digital transformation in this area is the introduction of information modeling (BIM) technologies into the processes of forming the cost of agricultural construction projects. The features of determining the cost of elements of a digital information model of such objects have been studied. Recommendations are proposed for modernizing the organizational structure of enterprises participating in the process of information modeling of agricultural objects. The need to develop regulations for the interaction of specialists of these organizations, to make changes to the BIM standard, etc. is substantiated. The application of the research results will speed up the introduction of BIM technologies into practice and the transition to a management system for the life cycle of agricultural objects based on their information models. This will contribute to the development of agriculture.
Modeling approaches for reducing the carbon footprint of forest industry enterprises
Authors: Medvedev Sergey , Yakusheva Maria , Zyryanov Mikhail
Published: July 2024

This paper presents the results of a study of individual aspects of reducing the carbon footprint from the activities of forest industry enterprises. This issue is one of the most relevant in modern science and practice. The existing conflict between production and the environment requires adequate solutions and due attention from all stakeholders. The goal of the work was realized through identifying the most significant areas of carbon footprint formation and assessing opportunities to reduce such impact. The main method of work is analytical. As a result of the study, a model of the environment of an industrial enterprise was formed, including factors and variables of the external and internal environment. The rationale for the relevance of reducing the carbon footprint of industrial enterprises is given. A schematic diagram of the stages of formation of a carbon footprint from the activities of a timber processing enterprise has also been developed. The result of the study is the identification of the most significant areas of carbon footprint formation from the activities of forest industry enterprises, as well as the identification of opportunities to reduce such impact.
Influence of the microstructure of Mg-Ca magnesium alloy with TiO2/ZrO2 nano-oxide ALD coating on the functional properties
Authors: Semenov Vladimir , Chertovskikh Sergey , Lin Hsin
Published: July 2024

The paper presents an analysis of the results of evaluating the effect of microstructure obtained by methods of severe plastic deformation (SPD) - equal-channel angular pressing (ECAP) and high-pressure torsion (HPT) - on the mechanical and operational properties of the Mg-1%Ca alloy. The influence of the ZrO2 nano-oxide coating deposited using the atomic layer deposition (ALD) technology was considered in comparison with the uncoated material under study. At the same time, it was noted that the application of a ZrO2 nano-oxide coating by the ALD method made it possible to increase the mechanical characteristics of the ECAP samples by about 20% (the ultimate strength was 205 MPa after ECAP and 262 MPa for ECAP samples with ALD coating). The lowest values of the adhesive component of the friction coefficient were observed on samples after SPD treatment using the HPT method with an applied ZrO2 nano-oxide coating. However, it was found that both the initial material of the study and after SPD treatment by ECAP, the Mg-1% Ca alloy demonstrates a slightly lower damping ability during the deposition of ZrO2 films.
Optimization of parameters of boom lifting mechanism of equipment for repair and development of oil and gas wells
Authors: Karnaukhov Ilia , Lunev Alexandr , Ionova Vera , Troyakov Konstantin , Ivanov Aleksey
Published: July 2024

The paper discusses the procedure for calculating the optimal parameters of the boom lifting mechanism for the repair and development of oil and gas wells. Based on the results of the calculation method, graphs were built. A graph of the force developed by the drive versus the boom elevation angle and a graph of the force versus the boom attachment angle is plotted. The results are presented to determine the optimal parameters of the boom lifting mechanism using this method.
Technological schemes of blasting operations for ensuring stability of Amantaytau quarry slopes
Authors: Jiyanov Abdunor , Buriyev Shukurulla , Sunnatulloev Shokirjon
Published: July 2024

This article presents a comprehensive study conducted at the Amantaytau Quarry, focusing on enhancing slope stability through advanced blasting techniques. The research includes theoretical analyses, laboratory experiments, and geomechanical assessments to optimize quarry face parameters and ensure long-term stability. Key findings involve developing specialized blasting technologies for extracting pre-contour zones to reduce dynamic loads on quarry faces. The study also zones the quarry based on stable slope angles, providing crucial insights for the project contour. Achieving recommended slope angles requires specific drilling and blasting methodologies to configure benches into their ultimate positions. Quantitative and qualitative patterns of rock fragmentation have been analyzed to determine the width of the pre-contour zone, charge quantity, specific explosive consumption, and parameters for explosive borehole placement. These methodologies are crucial for ensuring safety and longterm stability. The article concludes with recommendations for practical applications, emphasizing the need to reevaluate zoning boundaries and parameters when modifying the project contour. This research contributes valuable insights to quarry engineering, providing a basis for implementing efficient and safe blasting practices for improved slope stability.
Stationary installation for studying the combustion process of methane fuel in an engine
Authors: Shamsutdinov Danir , Sadriev Artur , Ivanova Olga , Nizamutdinov Malik , Negovora Andrei , Kinev Sergey
Published: July 2024

The study of combustion processes in the KAMAZ engine of the 820.60 series, running on compressed natural gas with forced ignition, is proposed to be carried out using the indexing method on a stationary laboratory installation. The composition of the equipment necessary for recording the combustion process and subsequent analysis has been determined. The criteria for the parameters of the pressure sensor, the characteristics of the analog-to-digital converter, the characteristics of detonation sensors and gas-air mixture composition sensors were taken into account. The installation locations of the sensors and the schemes for their coordination with the data acquisition system and the software functions for recording and processing signals have been determined.
Renewable and alternative energy sources, green energy in the aspect of socio-economic factors of labor market regulation in modern conditions and environmental greening
Authors: Starykh Svetlana , Masalov Evgeny
Published: July 2024

Mankind needs energy, and the demand for it is increasing every year. However, the reserves of traditional natural fuels (oil, coal, gas, etc.) are finite. There are two ways left: resource saving and the use of nontraditional renewable energy sources. Energy is one of the main air pollutants. Power plants using traditional fuels contribute up to 30 per cent of harmful atmospheric emissions, pollute land and water with combustion products and wastewater. The gases emitted are largely associated with the greenhouse effect, the catastrophic consequences of which the world community is trying to prevent through the mechanisms of the Kyoto Protocol.
Substantiation of the transverse and longitudinal distance of the disk skim-coulter
Authors: Normirzaev Abdukayum , Tukhtabayev Mirzokhid , Ruziev Islambay , Atakhanov Islam
Published: July 2024

The article discusses the rationale for transverse and longitudinal distance of the disk skim-coulter and the impact on performance of the plough. The issues of transverse displacement of the disk skim-coulter relative to the field edge of the body and longitudinal distance from the toe of the body ploughshare to the center of the disk skim-coulter are also considered. Under established technological process of operation of a plough with a disk skim-coulter, a given depth h1 of the disk passage, radius R and angle α of its attack, the area cut by disk from the section of the formation processed by body.
Study of the effect of substrates on the ornamental traits of crops used in vertical gardening
Authors: Kozlova Elena , Orlova Elena , Zubik Inna , Makarov Sergey , Chudetsky Anton
Published: July 2024

In modern ornamental horticulture, there are many species and varieties of plants, particularly indoor crops, which can be used for vertical gardening. This contributes to the creation of favorable conditions for humans. The paper presents the results of analysis of growth and development, as well as evaluation of ornamental traits of some ornamental indoor crops (Elettaria cardamomum, Tradescantia pallida, Senecio macroglossus ‘Variegatus’, Epipremnum pinnatum, Pelargonium zonale, Cissus alata, Hedera helix ‘Glacier’, Peperomia clusiifolia, Zebrina pendula, Syngonium podophyllum, Nematanthus gregarius, Spathiphyllum floribundum ‘Vivaldi’, Callisia repens, Spathiphyllum wallisii) when grown in different substrates in a winter glazed greenhouse for further use in vertical gardening. The greatest growth was revealed in E. pinnatum (using a mixture of peat and vermiculite - 16.8 cm, peat - 12.3 cm), among annual flowering crops - in D. repens (using a mixture of peat, vermiculite and perlite - 18.8 cm, a mixture of peat and perlite - 17.1 cm). S. floribundum (90 points), S. wallisii (82-90 points), and T. pallida (85-90 points) were the most decorative on a 100-point scale in all variants of the experiment; among annual flower crops, P. × hybrida (38-42 points) and D. repens (44 points).
RETRACTED: Elimination of damage to parts and disruption of mating seats
Authors: Shcherbakova Irina , Kovalchuk Nadezhda
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: The problems of designing helicopters with regard to the requirements for cabin noise
Authors: Moshkov Petr
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Analysis of the parameters of technological material sprinkling devices of special road vehicles (ꞷδ=const): MAN CLA 18.280 4x2 BB CS45
Authors: Turdibekov Saloxiddin , Isoxanov Utkir , Shermatov Shamshir , Abdusamatov Erkinjon
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: A method of developing road surfaces increase the level of environmental safety through the use of recycled tire waste
Authors: Omonov Makhmud , Djiyanboyev Sirojiddin
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Influence of fillers on the formation of properties of bitumen matrices for the construction industry
Authors: Konoreva O. V. , Katrich Ya. M.
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Advancements in Zinc Oxide (ZnO) thin films for photonic and optoelectronic applications: A focus on doping and annealing processes
Authors: Mirzajonov Zokirjon , Sulaymonov Khusanboy , Rakhmonov Tokhir , Yusupov Fakhriddin , Khidirov Dadakhon , Rakhimjonov Jakhongir
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: The effect of salinity levels on certain physiological groups of microorganisms in irrigated soils of Bukhara region
Authors: Umarov Otabek , Bafayeva Zahro , Avezov To`lqinjon
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Formation and properties of agricultural irrigated layers of watered lands of Fergana
Authors: Hakimova Nodira , Abdukhakimova Khusnidakhon , Sotiboldieva Guzalkhon
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Granulometric composition irrigated soils of Bukhara region
Authors: Nazarova Sevara
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Growth, development, photosynthetic potential, productivity and adaptability of tomato varieties on slightly saline soils of the Bukhara region
Authors: Ostonakulov T. , Saidova Gulshoda , Shamsiev A.
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Deformation model of a ballast prism, stabilized by geosynthetics, under heavy axial load
Authors: Petriaev A.V. , Paramonov V.N.
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Digital design trends of train and shunting operations at railway stations
Authors: Suyunbayev Shinpolat , Khudayberganov Sakijan , Jumayev Sherzod , Bashirova Alfiya
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Managing electric motive power modes with regard to traction energy operation conditions
Authors: Tretyakov Evgeny , Denisov Ilya
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Analysis of climate risks impact on railway infrastructure and adaptation measures system development
Authors: Akhtyamov R.G. , Chirkov N.S.
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Development of an algorithm for the operation of railway station infrastructure in unconventional situations
Authors: Parshin P.K. , Sergeeva T.G.
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Technical capabilities and safe use of mobile communications 6G in railway transport
Authors: Plekhanov P.A. , Kartashova A.N.
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Technological communication on low-intensity railway sections
Authors: Roenkov D.N. , Bogdanov D.R.
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Solutions for transport and technological systems of regular container transportation
Authors: Moskvichev Oleg , Moskvicheva Elena , Vasilyev Dmitriy
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Economic assessment of the effects of the introduction of digital platforms for the integration of participants in mixed (multimodal) freight transport (based on rail transport)
Authors: Gulyi Ilia , Kornienko Elizaveta
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: The impact of driver turnover on traffic safety
Authors: Usmanova M.N. , Abdusamatov E.X. , Aliyev A.A.
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Modeling of stationary mode for pipeline operation during hot oil pumping
Authors: Fugarov D.D. , Purchina O.A. , Purchina A.D.
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Analysis of fuel energy efficiency for motor transport in Kazakhstan
Authors: Mukhamadeyeva Railya , Orazov Ondassyn , Kassymzhanova Kuralay , Meirkhanuly Seilkhan Omirzhan , Kaliev Bakhyt
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Analysis of the effectiveness of using torsional vibration dampers for crankshafts with adaptive characteristics in internal combustion engines
Authors: Khaliullin Farit , Latipov Ravil , Khaliullina Zulfiya , Gurgenidze Zurab , Vakhrameev Dmitry , Potapov Evgeniy
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Determination of the optimal arrangement of engines along the wingspan
Authors: Tereshonkov Vladimir
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Security indicators and standards for microprocessor centralization in “2x2” and “1x1” systems
Authors: Aripov Nazirjon , Mirzarakhmedov Zafar
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Reasons for using parallel activation of logical rules in solving management tasks
Authors: Aladin Dmitry , Kotsenko Anton , Kim Radmir , Peresypkina Mariia , Varlamov Oleg
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Application of artificial neural networks in predicting frequencies of cantilever beam when stiffness reduction
Authors: Nguyen Xuan Bang
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Trends of digitalization in the Chemical industry in Russia and abroad
Authors: Dayneko Dennis , Dayneko Alevtina , Dayneko Viktoria
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Grade of the law of distribution of the vector of the digital twin of the enterprise
Authors: Masaev Sergei , Oreshnikov Ivan , Ivanitskiy Nikita , Vingert Valentina
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Impact of the level of transport industry development on the welfare of the population
Authors: Kuzubov Alexey , Maksimenko Aleksandr , Malinina Olga , Sapozhnikova Ekaterina
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Approaches to quantifying the conditions of national financial security
Authors: Krichevets Ekaterina , Posnaya Elena , Kaznova Margarita , Shokhnekh Anna
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Greening SMEs: Breaking barriers and building futures
Authors: Subhani Muhammad Imtiaz , Dyussembekova Zhanar , Ezhak Evgenia , Osman Amber
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
RETRACTED: Region important directions for developing students’ ecological education and thinking
Authors: Kuldoshev Rustambek , Rahimova Mahliyo
Published: July 2024

See the retraction notice E3S Web of Conferences 549, 00001 (2024), https://doi.org/10.1051/e3sconf/202454900001
Maladies auto-immunes rares : place de la génétique, exemple du lupus systémique
Authors: Tusseau Maud , Belot Alexandre
Published: July 2024

Le lupus érythémateux systémique (LES) est une maladie auto-immune chronique caractérisée par une grande hétérogénéité clinique. Certaines formes rares de LES sont causées par des mutations génétiques spécifiques, contrairement à la nature multifactorielle généralement associée à la maladie. Ces formes monogéniques ont été décrites particulièrement dans les cas de LES à début pédiatrique. Leur découverte a permis une meilleure compréhension de la physiopathologie du LES, mettant en lumière la grande complexité des présentations cliniques. Nous proposons ici une classification basée sur les voies de signalisation sous-jacentes, impliquant la clairance des corps apoptotiques et des complexes immuns, les interférons de type I, les voies JAK-STAT, les récepteurs de l’immunité innée et les fonctions lymphocytaires. Dans les formes pédiatriques, un test génétique devrait être proposé systématiquement avec un rendement diagnostique autour de 10 % selon la population et les approches utilisées.
Induction de proximité et dégradation de cibles thérapeutiques par les nouveaux dégradeurs : quels concepts, quels développements, quel futur ?
Authors: Reboud-Ravaux Michèle
Published: July 2024

La recherche dans le domaine de la dégradation ciblée des protéines s’est considérablement développée conduisant à l’élaboration de nouveaux outils chimiques à visée thérapeutique, les dégradeurs, potentiellement utiles dans diverses pathologies. Une grande variété d’objets à dégrader appartenant à divers compartiments intra- ou extracellulaires (protéines, complexes ou agrégats, organelles, acides nucléiques, gouttelettes lipidiques) a été ciblée à l’aide de ligands déjà existants, d’autres restent à découvrir. Les molécules de première génération, PROTAC et colles moléculaires, utilisent le système ubiquitine-protéasome pour détruire spécifiquement des protéines pathogéniques, certaines considérées jusqu’à présent comme inaccessibles en tant que cibles thérapeutiques. Au cours des cinq dernières années, ont été développés de nouveaux types de PROTAC hétéro-bifonctionnels comme les homo-PROTAC, pro-PROTAC, CLIPTAC, HaloPROTAC, PHOTOTAC, Bac-PROTAC, mais aussi des PROTAC macromoléculaires comme les AbTAC et ARN-PROTAC. Du fait de la grande diversité des substrats dégradés par les lysosomes, de nouveaux dégradeurs impliquant deux voies distinctes ont été ensuite produits : les chimères LYTAC pour la voie endosome-lysosome et les chimères ATTEC, AUTAC et AUTOTAC pour la voie autophagie-lysosome, augmentant ainsi considérablement le champ d’action des dégradeurs. Ces nouvelles molécules reconnaissent spécifiquement des protéines et/ou des organelles et permettent leur transport dans les lysosomes où ils sont dégradés. Les succès obtenus, que ce soit par dégradation protéasomale ou lysosomale pour plusieurs dizaines de dégradeurs (preuves de concepts et études cliniques en cours), expliquent l’intérêt quasi mondial des industries pharmaceutiques pour ces nouvelles molécules. Les challenges posés par leur développement et leur utilisation en clinique sont discutés.
Pneumothorax : spécificité et prise en charge
chez le chien et le chat
Authors: Cannone-Guibert Morgane
Published: July 2024

Le pneumothorax correspond à l’accumulation d’air libre dans l’espace pleural. Il peut survenir dans un contexte traumatique (pneumothorax ouvert ou fermé), ou être iatrogénique, ou encore spontané.

Dans certains cas, le pneumothorax peut être sous tension, occasionnant une très nette diminution du retour veineux et de l’éjection cardiaque, il peut alors être mortel.

Les causes principales de pneumothorax spontané chez le chien et le chat sont respectivement la rupture de bulles pulmonaires et un asthme chez le chat.

Après stabilisation comprenant oxygénothérapie et éventuelle thoracocentèse décompressive, l’examen radiographique constitue la première étape de la démarche diagnostique. Celui-ci permet d’identifier le pneumothorax et d’évaluer des structures intra-thoraciques mais la sensibilité pour la détection de bulles pulmonaires est très médiocre. L’examen tomodensitométrique est donc souvent nécessaire lors de pneumothorax spontané chez le chien.

Lors de pneumothorax traumatique ouvert, l’effraction de la paroi thoracique conduit à la réaliser (?) d’une correction chirurgicale. Une prise en charge conservative est souvent suffisante en cas de pneumothorax traumatique fermé.

Lors de pneumothorax spontané secondaire à la rupture de bulles pulmonaires chez le chien, la prise en charge optimale repose sur une sternotomie médiane et le pronostic post-opératoire est très favorable avec un risque de récidives négligeable.
Babésiose canine
Authors: Huyart Pierre-Louis , Trumel Catherine , Boushira Émilie
Published: July 2024

Une jeune chienne croisée Golden de 5 mois est présentée pour abattement intense associé à de la dysorexie. L’examen clinique met en évidence une hyperthermie de 39,5 degrés, l’hypothèse de babésiose canine est alors avancée.

Une numération formule met en évidence une anémie macrocytaire normochrome avec un hématocrite à 23,2 p. cent, associée à une panleucopénie et une thrombopénie sévère.

Une analyse d’urine complète révèle la présence d’une protéinémie et d’une pigmenturie.

Le frottis sanguin périphérique met en évidence de très nombreuses babésies intra-érythrocytaires de grande taille et libres ainsi que de nombreuses figures d’érythrophagocytose.

Le traitement mis en place consiste en l’injection de 6 mg/kg de dipropionate d’imidocarbe (Carbesia®) et de 0,1 mg/kg de dexaméthasone (Rapidexon®) avec un relai par administration orale de prednisolone (Dermipred®) à la dose de 1 mg/kg/j pendant 5 jours. Les contrôles à 48 h et 3 semaines après montrent une rémission totale avec une augmentation de l’hématocrite à 38,6 p. cent.

Ce cas illustre un cas de babésiose canine caractérisé par une présentation clinique classique mais associé à un frottis sanguin original en raison de la forte réaction monocytaire et des multiples figures d’érythrophagocytose. L’observation de telles figures associées à une forte thrombopénie sont de possibles indices pour le clinicien si aucune forme de babésie n’est observée, même si d’autres causes peuvent être associées.
Corrosion sous contrainte : performance et progrès industriels
Authors: Terminet François
Published: July 2024

EDF est engagée dans un vaste programme industriel de traitement du phénomène inédit de corrosion sous contrainte qui a été identifié sur le parc nucléaire en 2021 et 2022. Retour sur les résultats et les progrès obtenus depuis deux ans.
Antithrombotic Therapy in Cancer Patients with Cardiovascular Diseases: Daily Practice Recommendations by the Hemostasis Working Party of the German Society of Hematology and Medical Oncology (DGHO) and the Society for Thrombosis and Hemostasis Research (GTH e.V.)
Authors: Parmentier Stefani , Koschmieder Steffen , Henze Larissa , Griesshammer Martin , Matzdorff Axel , Bakchoul Tamam , Langer Florian , Alesci Rosa Sonja , Duerschmied Daniel , Thomalla Goetz , Riess Hanno
Published: July 2024

Active cancer by itself but also chemotherapy is associated with an increased risk of cardiovascular disease (CVD) and especially coronary artery disease (CAD) and atrial fibrillation (AF). The frequency of CVD, CAD, and AF varies depending on comorbidities (particularly in older patients), cancer type, and stage, as well as the anticancer therapeutic being taken. Many reports exist for anticancer drugs being associated with CVD, CAD, and AF, but robust data are often lacking. Because of this, each patient needs an individual structured approach concerning thromboembolic and bleeding risk, drug–drug interactions, as well as patient preferences to evaluate the need for anticoagulation therapy and targeting optimal symptom control. Interruption of specific cancer therapy should be avoided to reduce the potential risk of cancer progression. Nevertheless, additional factors like thrombocytopenia and anticoagulation in the elderly and frail patient with cancer cause additional challenges which need to be addressed in daily clinical management. Therefore, the aim of these recommendations is to summarize the available scientific data on antithrombotic therapy (both antiplatelet and anticoagulant therapy) in cancer patients with CVD and in cases of missing data providing guidance for optimal careful decision-making in daily routine.
Shedding light on evolution of Raman line shape with probing laser power: Light-induced perturbation in electron–phonon coupling
Authors: Rambadey Omkar V. , Kumar Kailash , Nain Ritu , Kumar Anil , Sagdeo Pankaj R. , Chamberlin Philip M. , Adu Kofi W.
Published: July 2024

The laser power mediated changes in the Raman line shape have been considered in terms of interference between discrete phonon states ρ and the electronic continuum states ϰ contributed by Urbach tail states. The laser-induced effects are treated in terms of the increase in the surface temperature and thereby the scaling of electronic disorder, i.e., Urbach energy, which can further contribute to the electron–phonon interactions. Therefore, the visualization of this effect is attempted analytically as a perturbation term in the Hamiltonian, which clearly accounts for the observed changes with laser power. This has been investigated based on the experimental results of laser power dependent Raman spectra of bulk EuFeO3 and silicon nanowires, which are found to provide convincing interpretations.
Artificial neural network method in solving smart cities construction fuzzy multi-objective linear programming problems
Authors: Alqasem Ohud A. , Abd Elwahab Maysaa Elmahi , Bakr M. , Al-Sharari Hamed D. , Elsharkawy Khaled
Published: July 2024

Nowadays, the increasing demands of smart cities require innovative technologies to optimize resource utilization and minimize costs. This research focuses on the construction sector, specifically the production of advanced high-strength steel. We address practical application problems from the iron and steel factory in Annaba, Algeria, known as fuzzy multi-objective linear programming problems. Two methods are applied: a mathematical model and Artificial Neural Networks (ANNs). Results indicate that the ANN approach offers significant time and effort savings.
Perspectives on endoscopic functional photoacoustic microscopy
Authors: Yang Shuo , Hu Song
Published: July 2024

Endoscopy, enabling high-resolution imaging of deep tissues and internal organs, plays an important role in basic research and clinical practice. Recent advances in photoacoustic microscopy (PAM), demonstrating excellent capabilities in high-resolution functional imaging, have sparked significant interest in its integration into the field of endoscopy. However, there are challenges in achieving functional PAM in the endoscopic setting. This Perspective article discusses current progress in the development of endoscopic PAM and the challenges related to functional measurements. Then, it points out potential directions to advance endoscopic PAM for functional imaging by leveraging fiber optics, microfabrication, optical engineering, and computational approaches. Finally, it highlights emerging opportunities for functional endoscopic PAM in basic and translational biomedicine.
Perspectives on pilot-wave hydrodynamics
Authors: Bush John W. M. , Frumkin Valeri , Sáenz Pedro J.
Published: July 2024

We present a number of fresh perspectives on pilot-wave hydrodynamics, the field initiated in 2005 by Couder and Fort's discovery that millimetric droplets self-propelling along the surface of a vibrating bath can capture certain features of quantum systems. A recurring theme will be that pilot-wave hydrodynamics furnishes a classical framework for reproducing many quantum phenomena and allows one to rationalize such phenomena mechanistically, from a local realist perspective, obviating the need to appeal to quantum nonlocality. The distinction is drawn between hydrodynamic pilot-wave theory and its quantum counterparts, Bohmian mechanics, the Bohm–Vigier stochastic pilot-wave theory, and de Broglie's theory of the double-solution. Each of these quantum predecessors provide a valuable touchstone as we take the physical picture engendered in the walking droplets and extend it into the quantum realm via theoretical modeling. Emphasis is given to recent developments in the field, both experimental and conceptual, and to forecasting potentially fruitful new directions.
Graphene Schottky barrier diode acting as a semi-transparent contact to n-GaN
Authors: Kruszewski P. , Sai P. , Krajewska A. , Sakowski K. , Ivonyak Y. , Jakiela R. , Plesiewicz J. , Prystawko P.
Published: July 2024

In this letter, we demonstrate the successful development of graphene Schottky barrier diodes (Gr SBDs), which act as an efficient semi-transparent contact to n-GaN. We show that Gr SBDs can be used for deep trap investigations in n-GaN by capacitance-based spectroscopic techniques. To demonstrate its functionality, Gr Schottky barrier diodes on an n-GaN sample grown by the metal organic vapor phase technique were fabricated and then used in the measurements of steady-state photo-capacitance (SSPC) and deep level optical spectroscopy (DLOS). It is shown that the SSPC and DLOS spectra obtained for Gr SBDs are in excellent agreement with Ni-based semi-transparent contacts to n-GaN used in this study for comparison. Deep trap levels located at Ec-3.3 eV, Ec-2.6 eV, and Ec-1.84 eV for Ni SBD and Ec-3.3 eV and Ec-2.6 eV for Gr SBD were found, respectively. The presence of a trap level with Ec-1.84 eV observed only in the Ni SBD samples suggests that this trap originates from different sample treatments prior to Schottky contact deposition. Additionally, the optical capture cross-section data (σ0) derived from DLOS were fitted using the Lucovsky model under the assumption of no lattice relaxation for all deep traps observed in this study. Discrepancies in trap concentration derived from SSPC measurements among different diodes for a trap with EC-3.3 eV were attributed to reduced light transmission through the Gr contact in the UV spectral range and the presence of some macroscopic defects related to Gr transfer to the n-GaN film.
Fixed-node diffusion Monte Carlo shows promise for modeling reaction thermochemistry of hydrocarbon-based radicals
Authors: Huber Timothy B. , Wheeler Ralph A.
Published: July 2024

Reliable thermodynamic and kinetic properties of free radical polymerization reactions are essential for synthesizing both primary polymeric materials and specialty polymers. The computational generation of these data from quantum chemistry requires a time-efficient method capable of capturing the essential physics. One such method, fixed-node diffusion Monte Carlo (FN-DMC) (using single Slater–Jastrow trial wavefunctions), has demonstrated the capability to recover 90%–95% of missing dynamic correlation energy for typical systems. In this study, methyl radical addition to ethylene serves as a simple model to test FN-DMC’s ability to calculate enthalpies of reaction and activation energies with different time steps, antisymmetric trial wavefunctions, basis set sizes, and effective core potentials. The FN-DMC computational protocol thus defined for methyl radical addition to ethylene is subsequently benchmarked against Weizmann-1 and experimental reaction enthalpies from Lin et al.’s test set of 21 radical addition and 28 hydrogen abstraction enthalpies. Our findings reveal that FN-DMC consistently generates reaction enthalpies with chemical accuracy, exhibiting mean absolute deviation of 3.5(7) and 1.4(8) kJ/mol from the Weizmann-1 reference for radical addition and hydrogen abstraction reactions, respectively. Given its favorable computational scaling and high degree of parallelizability, we, therefore, recommend more comprehensive testing of FN-DMC with effective core potentials to address more extensive and intricate polymerization reactions and reactions with other radicals.
Steerable droplet precise bouncing on a superhydrophobic surface with superhydrophilic stripes
Authors: Huang Qiaoqiao , He Yuchun , Yin Kai , Zhang Hao , Yang Pengyu , Li Guoqiang , Awan Saif U. , Khalil Ahmed S. G.
Published: July 2024

The precise rebound of a droplet upon hitting a solid surface has garnered significant attention in recent years due to its critical applications in self-cleaning, printing industries, and the design of heat exchanger surfaces, among others. This study introduces an innovative approach that combines femtosecond laser processing with a high-temperature stearic acid modification to create surfaces that feature superhydrophilic (SHL) stripes on a superhydrophobic substrate. By controlling the offset distance between the droplet's impact point and the SHL stripe, we achieved a directional and precise rebound of the droplets. Our findings indicate that the lateral displacement of the droplet increases with the offset distance and always tilts toward the direction of the SHL stripe. This study also incorporates numerical simulations to validate the findings, shedding light on the energy conversion mechanisms at the liquid–solid interface during the impact, particularly during the retraction phase. This discovery is significant for more accurately predicting the specific landing spots of rebounding droplets.
Research on thermomechanical effects and influencing factors in high voltage cable under multiphysics field coupling
Authors: Yang Fan , Zhao Jian , Xia Rong , Wang Shaohua , Cao Junping
Published: July 2024

The interior of a high-voltage cable causes a state of extrusion due to thermomechanical effects; the resulting stress and deformation can easily lead to the destruction of the cable structure. Aiming at the problem, we establish an electromagnetic–thermal–force field model of a high voltage cable. By considering the influence of temperature on the material properties, a bidirectional couple simulation of electromagnetic and thermal fields is established. The thermal load excitation is introduced into the structural field, and the simulation calculation of thermal strain and thermal stress of the axial and radial layers is realized. The influence of ambient temperature, load current, and circulating current defect factors on the thermal–force characteristics of each layer of the cable is studied. The results show that the response of the insulating layer to the thermomechanical effect is the most significant, and its characteristic change law shows the nonlinear trend. In addition, the thermal strain of the cable has an approximate axial symmetry; the axial thermomechanical effect is significantly higher than the radial direction. The maximum axial and radial deformations of the cable when running at full load are 1.21 and 0.16 mm respectively. Among the three influencing factors, the impact of circulating current defects on the thermomechanical effect of cables is the most obvious. The thermomechanical effect of the cable approximately is positively related to the square of the circulating current defect factors, the load current, and the ambient temperature.
Indepth doping assessment of thick doped GaAs layer by scanning spreading resistance microscopy
Authors: Qiang Lanpeng , Chereau Emmanuel , Regreny Philippe , Avit Geoffrey , Trassoudaine Agnès , Gil Evelyne , André Yamina , Bluet Jean-Marie , Albertini David , Brémond Georges
Published: July 2024

Scanning spreading resistance microscopy (SSRM) measurements were performed on GaAs thick films grown by hydride vapor phase epitaxy technology under different growth conditions to evaluate their carrier concentrations. For this purpose, a calibration curve was established based on a multilayer staircase structure grown by molecular beam epitaxy. The dopant calibration range measured by secondary ion mass spectrometry is from 5 × 1016  to 1019 cm−3. An abnormal phenomenon in the calibration process was explained by taking into account the parasitic parallel resistance of the calibration samples. Finally, the calibration curve was used to quantitatively analyze the carriers inside the Zn doping p-type GaAs film from 4 × 1016 to 1018 cm−3 range. We demonstrate here the applicability of SSRM to the in-depth analysis of thick epilayers, providing new inputs for the control of thick film technologies.
Eulerian–Lagrangian hybrid solvers in external aerodynamics: Modeling and analysis of airfoil stall
Authors: Pasolari R. , Ferreira C. J. , van Zuijlen A.
Published: July 2024

Hybrid computational solvers that integrate Eulerian and Lagrangian methods are emerging as powerful tools in computational fluid dynamics, particularly for external aerodynamics. These solvers rely on the strengths of both approaches: Eulerian methods efficiently handle boundary layers, while Lagrangian methods excel in reducing numerical diffusion in flow convection. Building on our prior development of a two-dimensional hybrid solver that combines OpenFOAM with vortex particle method, this paper extends its application to the complex phenomena of airfoil stall at low Reynolds numbers. Specifically, we examine both static and dynamic stall conditions of a National Advisory Committee for Aeronautics (NACA) airfoil series 0012 (NACA0012) across a wide range of attack angles and oscillation frequencies, comparing our results with established data. The findings demonstrate the accuracy of hybrid Eulerian–Lagrangian solvers in replicating known stall behaviors, underscoring their potential for advanced aerodynamic studies. This work not only confirms the capability of hybrid solvers in accurately modeling challenging flows but also paves the way for their increased involvement in the field of external aerodynamics.
Integrating molecular dynamics simulations and experimental data for azeotrope predictions in binary mixtures
Authors: Wang Xiaoyu , Cheng Bingqing
Published: July 2024

An azeotrope is a constant boiling point mixture, and its behavior is important for fluid separation processes. Predicting azeotropes from atomistic simulations is difficult due to the complexities and convergence problems of Monte Carlo and free-energy perturbation techniques. Here, we present a methodology for predicting the azeotropes of binary mixtures, which computes the compositional dependence of chemical potentials from molecular dynamics simulations using the S0 method and employs experimental boiling point and vaporization enthalpy data. Using this methodology, we reproduce the azeotropes, or lack thereof, in five case studies, including ethanol/water, ethanol/isooctane, methanol/water, hydrazine/water, and acetone/chloroform mixtures. We find that it is crucial to use the experimental boiling point and vaporization enthalpy for reliable azeotrope predictions, as empirical force fields are not accurate enough for these quantities. Finally, we use regular solution models to rationalize the azeotropes and reveal that they tend to form when the mixture components have similar boiling points and strong interactions.
Mathematical modeling of creeping electromagnetohydrodynamic peristaltic propulsion in an annular gap between sinusoidally deforming permeable and impermeable curved tubes
Authors: Yadav Pramod Kumar , Roshan Muhammad
Published: July 2024

The present work investigates the creeping peristaltic propulsion of viscid fluid in an annular gap between sinusoidally deforming permeable and impermeable curved tubes of similar shape under the influence of an externally imposed electric and magnetic field. In this model, the outer tube with a permeable wall surface is supposed to satisfy the Saffman slip condition. The flow equations are simplified by the estimation of a large wavelength in comparison with the radius of the external tube. An analytical solution for the axial velocity is obtained in the computational software MATHEMATICA. Graphical analyses are conducted to explore the variations in wall shear stress, velocity, pressure rise, frictional force, and stream function with respect to different emergent parameters, providing insight into the underlying physics of the flow phenomena. An investigation of the effects of the Hartmann number and electric field strength on the flow through a gap between deformable tubes with curved structures has important implications for a variety of engineering applications, including mechanical and biomedical engineering. The streamlines are plotted to discuss fluid trapping and visualize the flow pattern of the viscid fluid inside the curved annular domain. A comparative analysis of fluid transport induced by sinusoidal, triangular, trapezoidal, and square wave shapes is encountered with the help of streamlined contour diagrams. The comparison of pressure gradients in three different models is also discussed to gain insight due to fluid–structure interaction. A gap in the body of recently published literature is filled by the results discussed in this paper.
Ultralow electric-field poling of LiNbO3 single-crystal devices
Authors: Hu Di , Wang Xing Long , Hu Xian Yu , Li Yi Ming , Sun Jie , Jiang An Quan
Published: July 2024

The LiNbO3 (LNO) single crystal receives wide applications in nonvolatile memories, surface acoustic wave devices, and electro-optic modulators. However, engineering of antiparallel domain patterns within micrometer-sized devices generally requires a poling voltage more than a few thousands of volts. The high poling voltage could invoke dielectric breakdown. Here, we found an effective method to increase the local electric field significantly for domain nucleation at the interfaces of an etched LNO mesa in contact to two concave side electrodes, while the electric field across the protruding intra-electrode area can be lower by 10 times after the metal diffusion at the surface. Subsequent piezoresponse force microscopy mapping shows the nucleating domains to grow up through the entire intra-electrode area. This method is universal and analogous to other ferroelectric devices for the realization of low-voltage operations.