bluuebunny/crossref_metadata_2025_split huggingface dataset:
Combined Effect of Hot Weather and Outdoor Air Pollution on Respiratory Health: Literature Review
Authors: Grigorieva Elena , Lukyanets Artem 
Published: June 2021

Association between short-term exposure to ambient air pollution and respiratory health is well documented. At the same time, it is widely known that extreme weather events intrinsically exacerbate air pollution impact. Particularly, hot weather and extreme temperatures during heat waves (HW) significantly affect human health, increasing risks of respiratory mortality and morbidity. Concurrently, a synergistic effect of air pollution and high temperatures can be combined with weather–air pollution interaction during wildfires. The purpose of the current review is to summarize literature on interplay of hot weather, air pollution, and respiratory health consequences worldwide, with the ultimate goal of identifying the most dangerous pollution agents and vulnerable population groups. A literature search was conducted using electronic databases Web of Science, Pubmed, Science Direct, and Scopus, focusing only on peer-reviewed journal articles published in English from 2000 to 2021. The main findings demonstrate that the increased level of PM10 and O3 results in significantly higher rates of respiratory and cardiopulmonary mortality. Increments in PM2.5 and PM10, O3, CO, and NO2 concentrations during high temperature episodes are dramatically associated with higher admissions to hospital in patients with chronic obstructive pulmonary disease, daily hospital emergency transports for asthma, acute and chronic bronchitis, and premature mortality caused by respiratory disease. Excessive respiratory health risk is more pronounced in elderly cohorts and small children. Both heat waves and outdoor air pollution are synergistically linked and are expected to be more serious in the future due to greater climate instability, being a crucial threat to global public health that requires the responsible involvement of researchers at all levels. Sustainable urban planning and smart city design could significantly reduce both urban heat islands effect and air pollution.
ARCHEOLOGICAL MONUMENTS OF THE SHATOY DISTRICT OF THE CHECHEN REPUBLIC (MATERIALS FOR THE ARCHEOLOGICAL MAP)
Authors: Ахмаров А.У. , Исаев С.Х. 
Published: June 2021

В статье, продолжающей серию публикаций в рамках многолетнего проекта Центра археологических исследований АН ЧР по составлению карты археологических памятников Чечни, собраны и приведены в хронологическом порядке краткие сведения об истории открытия и научного изучения археологических памятников и случайных находок на территории Шатойского района Чеченской Республики. Также составлен полный перечень всех известных на сегодняшний день памятников археологии, а также случайных находок на территории исследуемого района. По каждому памятнику в отдельности дана краткая историческая справка (географические координаты, тип и хронологические рамки памятника, кем и когда был открыт и исследован). Все известные на сегодняшний день памятники археологии данного района нанесены на схематическую карту.
The article, which continues the series of publications, in the framework of the multi-year project of the Center for Archaeological Research of the Academy of Sciences of the Chechen Republic on mapping the archaeological sites of Chechnya, summarizes and presents in chronological order the history of the discovery and scientific study of archaeological monuments and random finds in the Shatoy District of the Chechen Republic faces. Also, a complete list of all known today archeological monuments, as well as random finds on the territory of the study area, is compiled. A brief historical background is given for each monument separately (geographical coordinates, type and chronological framework of the monument, by whom and when it was discovered and investigated). All currently known monuments of archeology in the area are plotted on a schematic map.
EVALUATION OF THE SOCIAL SPHERE MANAGEMENT SYSTEM AND IMPLEMENTATION OF PUBLIC-PRIVATE PARTNERSHIP PROJECTS IN THE DEVELOPMENT OF SOCIAL INFRASTRUCTURE OF THE REPUBLIC OF BASHKORTOSTAN
Authors: Прокофьева А.И. 
Published: June 2021

В условиях экономического кризиса и ухудшения макроэкономической ситуации возникают проблемы текущего финансирования социальной сферы и снижения уровня обеспеченности объектами общественной инфраструктуры. Приоритет отдается вводу в эксплуатацию дошкольных образовательных учреждений, в то время как вводу физкультурно-оздоровительных комплексов в РБ практически не уделяется внимание. Потребность в строительстве и вводе в эксплуатацию объектов социальной сферы растет, в то время как выделение финансовых средств на данные цели сокращается, что представляет собой большую проблему и требует привлечения дополнительных источников финансирования. Также ряд проблем имеется в сфере здравоохранения и в отношении развития инфраструктуры сельских территорий. Автор приходит к выводу, что институт ГЧП в Республике Башкортостан находится на стадии развития. Государство пока ориентируется на крупные проекты, а менее капиталоемким проектам не уделяется должного внимания. Подобная безынициативность говорит о необходимости притока высококвалифицированных кадров, понимания сущности и значимости партнерства.
In the conditions of economic crisis and deterioration of macroeconomic situation, there are problems of current financing of social sphere and decrease in level of provision with objects of public infrastructure. Priority is given to the commissioning of pre-school educational institutions, while the commissioning of sports and recreation complexes in the Republic of Belarus is almost not paid attention. The need for construction and commissioning of social facilities is growing, while the allocation of funds for these purposes is reduced, which is a big problem and requires additional sources of funding. Also, there are a number of problems in the health sector and in relation to the development of infrastructure in rural areas. The author comes to the conclusion that the PPP Institute in the Republic of Bashkortostan is at the stage of development. The state is still focused on large projects, and less capital-intensive projects are not given due attention. Such lack of initiative indicates the need for an influx of highly qualified personnel, understanding the nature and importance of partnership.
FORMATION OF THE ORGANIZATION HUMAN RESOURCES MANAGEMENT SYSTEM: GENERAL REQUIREMENTS AND LIMITATIONS
Authors: Цуцулаева Б.Р. 
Published: June 2021

Для обеспечения устойчивого развития хозяйствующих субъектов адекватная система управления персоналом, нацеленная на достижение стратегических целей организации, имеет критически важное значение. При этом следует учитывать значительное количество факторов внутренней и внешней среды, которые непосредственно влияют на параметры системы управления персоналом. В статье выделены ключевые факторы, условия и ограничения, которые на наш взгляд, следует учитывать при построении системы управления персоналом производственных организаций.
To ensure the sustainable development of business entities, an adequate personnel management system aimed at achieving the organizations strategic goals is of critical importance. In this case, a significant number of factors of the internal and external environment that directly affect the parameters of the personnel management system should be taken into account. The article highlights the key factors, conditions and limitations, which, in our opinion, should be taken into account when building the personnel management system of production organizations.
Full-phase Voltage Restorer in a Four-wire Circuit of 0.4/0.23 kV when one of the 6 (10) kV Supply Phases of the Transformer Breaks
Authors: Орлов П.С. , Круду О.Н. 
Published: June 2021

Рассмотрены проблемы повышения надёжности электроснабжения потребителей и снижение электротравматизма в электроустановках. При обрыве одной из питающих фаз силового трансформатора напряжением 6(10) кВ созданное авторами устройство восстановления полнофазного напряжения в четырёхпроводной сети 0,4/0,23 кВ позволяет восстановить питающее напряжение. Это достигается использованием уникальных свойств аналоговых устройств – трёхфазных электрических сетей и трёхфазных силовых трансформаторов с первичной и вторичной обмотками, включёнными по схеме «звезда с нулём - звезда с нулём», запитанных от четырёхпроводной сети. При утрате питания от любого одного из четырёх питающих проводов за счёт неразрывности магнитных потоков и обратимости электрических машин автоматически (после физического отключения утраченной фазы) устройства восстанавливают полнофазное напряжение в первичной и во вторичной обмотках трансформатора.
The problems of increasing reliability of power supply to consumers and reducing electrical injuries in electrical installations are considered. When one of the supply phases of a 6 (10) kV power transformer breaks, the full-phase voltage restorer in a 0.4/0.23 kV four-wire network created by the authors allows restoring the supply voltage. This is achieved by using the unique properties of analog devices – three-phase electric networks and three-phase power transformers with primary and secondary windings, connected according to the scheme "star with zero – star with zero" powered from a four-wire network. When power is lost from any one of the four supply wires due to the continuity of magnetic flows and the reversibility of electrical machines, the devices automatically (after physically disconnecting the lost phase) restore full-phase voltage in the primary and secondary windings of the transformer.
Pengaruh Kompetensi Dan Motivasi Berprestasi Terhadap Kinerja Guru Sekolah Dasar Dengan Kepuasan Kerja Sebagai Variabel Intervening
Authors: Ali Ardi Hendri 
Published: June 2021

This study aims to look at the effect of competence and achievement motivation on the performance of primary school teachers with job satisfaction as an intervening variable. The sample in this study amounted to 143 elementary school teachers, samples were taken using stratified random sampling. The researcher used path analysis as data analysis technique. This study found that (1) Teachers’ competence and achievement motivation influence simultaneously and partially on job satisfaction (2) Teacher’ competence, achievement motivation and job satisfaction simultaneously affect teachers’ performance, but the competence do not directly and significantly affect the performance of primary school teachers. But the competence affects teachers' performance indirectly through job satisfaction.
Fabrication and Characterization of α-Fe2O3 Nanoparticles Dispersed Epoxy Nanocomposites
Authors: Mamun Muhammad Abdullah Al , Sabur Md. Abdus , Gafur Md. Abdul , Aftab Hrithita , Rahman G.M. Shafiur 
Published: June 2021

Hematite(α-Fe2O3) nanoparticles were synthesized by sol-gel process and further mixed with epoxy resin to obtain the nanocomposites. X-Ray Diffraction (XRD) and Scanning Electron Microscope (SEM) analysis revealed that α-Fe2O3 nanoparticles have an average diameter of about 30 nm, also illustrated the crystal structure and morphology of the nanomaterials. Fourier-Transform Infrared spectroscopy (FTIR) showed the functional groups that were present in α-Fe2O3 nanoparticles, neat epoxy andα-Fe2O3/epoxy nanocomposites. Vibrating Sample Magnetometer (VSM) analysis exhibits the magnetic hysteresis curve and revealed that α-Fe2O3 nanoparticles were superparamagnetic. Tensile testing was performed to obtain the tensile strength, yield strength, elongation, young modulus and required energy to deform the materials. Vickers micro-hardness test showed the surface hardness of the nanocomposites. Flexural strength also measured, which indicate the strength of nanocomposites against bending. Thermogravimetric Analysis (TGA) measurement showed the thermal properties of α-Fe2O3 nanoparticles and its influence into the epoxy matrix. UV-Vis spectroscopy was performed to obtain the optical band gap energy of the nanocomposites. DC-resistivity measurements showed a significant influence of α-Fe2O3 nanoparticles on the dc-electrical properties of the epoxy matrix.
Two Populations of Carbon-enhanced Metal-poor Stars in the Disk System of the Milky Way
Authors: Dietz Sarah E. , Yoon Jinmi , Beers Timothy C. , Placco Vinicius M. , Sun Lee Young 
Published: June 2021

Abstract
We present a chemodynamical analysis of low-resolution (R ∼ 1300) spectroscopy of ∼50,000 stars from the AAOmega Evolution of Galactic Structure survey, focusing on two key populations of (in total) 650 carbon-enhanced metal-poor (CEMP) stars within the disk system of the Milky Way: a mildly prograde population (L

z
< 1000 kpc km s−1) and a strongly prograde population (L

z
> 1000 kpc km s−1). Based on their chemical and kinematic characteristics, and on comparisons with similar populations found in the recent literature, we tentatively associate the former with an ex situ inner-halo population originating from either the Gaia Sausage or Gaia–Enceladus. The latter population is linked to the metal-weak thick disk. We discuss their implications in the context of the formation history of the Milky Way.
Quantitative Age Estimation of Supernova Remnants and Associated Pulsars
Authors: Suzuki Hiromasa , Bamba Aya , Shibata Shinpei 
Published: June 2021

Abstract
The age of a supernova remnant (SNR) is, though undoubtedly one of the most important properties for study of its evolution, difficult to estimate reliably in most cases. In this study, we compare the dynamical and plasma ages of the SNRs and characteristic ages of their associated pulsars with the corresponding SNRs’ ages that are generally thought to be reliable (t
r): historical and light-echo ages of the SNRs, kinematic ages of the ejecta knots and kinematic ages of the associated neutron stars (NS). The kinematic age of ejecta knots or an NS is the time that they have taken to reach the current positions from the explosion center. We use all of the available 24 systems for which t
r is already available (historical, light-echo, and ejecta kinematic ages) or measurable (NS kinematic age). We estimate the NS kinematic ages for eight SNR-NS systems by determining quantitatively the geometric centers of the SNR shells. The obtained t
r ranges from 33 yr to ≈400 kyr. We find that the two SNR ages, dynamical and plasma ages, are consistent with t
r within a factor of four, whereas the characteristic ages of the pulsars differ from t
r by more than a factor of four in some systems. Using the t
r summarized in this work, we present the initial spin periods of the associated pulsars, which are more strictly constrained than the previous works, as well.
Do LIGO/Virgo Black Hole Mergers Produce AGN Flares? The Case of GW190521 and Prospects for Reaching a Confident Association
Authors: Palmese A. , Fishbach M. , Burke C. J. , Annis J. , Liu X. 
Published: June 2021

Abstract
The recent report of an association of the gravitational-wave (GW) binary black hole (BBH) merger GW190521 with a flare in the active galactic nuclei (AGNs) J124942.3 + 344929 has generated tremendous excitement. However, GW190521 has one of the largest localization volumes among all of the GW events detected so far. The 90% localization volume likely contains 7400 unobscured AGNs brighter than g ≤ 20.5 AB mag, and it results in a ≳70% probability of chance coincidence for an AGN flare consistent with the GW event. We present a Bayesian formalism to estimate the confidence of an AGN association by analyzing a population of BBH events with dedicated follow-up observations. Depending on the fraction of BBHs arising from AGNs, counterpart searches of

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(
1
)
−
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(
100
)

GW events are needed to establish a confident association, and more than an order of magnitude more for searches without follow-up (i.e., using only the locations of AGN and GW events). Follow-up campaigns of the top ∼5% (based on volume localization and binary mass) of BBH events with total rest-frame mass ≥50 M
⊙ are expected to establish a confident association during the next LIGO/Virgo/KAGRA observing run (O4), as long as the true value of the fraction of BBHs giving rise to AGN flares is >0.1. Our formalism allows us to jointly infer cosmological parameters from a sample of BBH events that include chance coincidence flares. Until the confidence of AGN associations is established, the probability of chance coincidence must be taken into account to avoid biasing astrophysical and cosmological constraints.
Entre « communautés des contributeurs » et « société des usagers », les communs de masse
Authors: JOUBERT Léo 
Published: June 2021

Cet article interroge les effets sociologiques de la massification d’un commun à partir de l’analyse de la version francophone de Wikipédia. Nous utilisons notamment l’enquête « Wikipédia 2015 » réalisée par le GIS Marsouin en mars 2015 auprès des lecteurs et des contributeurs de Wikipédia. Nous développons un modèle d’analyse sociologique fondé sur une distinction entre la « communauté des contributeurs », rassemblant les participants à la production et la régulation de Wikipédia, et la « société des usagers », ensemble d’acteurs hétérogènes plus ou moins proches et favorables au commun wikipédien. Cette structure duale constitue, davantage que la référence à la non-rivalité de la ressource, une piste d’adaptation du modèle ostromien des communs au cas particulier des communs de masse.
Histoire sociologique d’un mouvement ambigu
Authors: Shulz Sébastien 
Published: June 2021

Les acteurs qui conceptualisent et défendent des formes de communs numériques entretiennent une relation ambiguë avec l’État considéré tantôt comme un ennemi objectif, un horizon à dépasser ou un allié potentiel (Broca, 2016). Par rapport à la littérature qui passe cette ambiguïté sous silence ou qui la considère comme problématique, je me propose de déplacer la focale pour l’interroger et voir ce qu’elle peut nous apprendre de ces formes de communs numériques. Dans le cadre d’une sociologie des épreuves d’État (Linhardt, 2012, 2018) et à travers une histoire sociologique des concepts (Gaboriaux et Skornicki, 2018), une sociologie des mouvements sociaux (Neveu, 2019) et une histoire pragmatique de la critique (Boltanski, 2009), nous défendons la thèse suivante : les formes de communs numériques ont toujours été conceptualisées par des acteurs à partir de leur critique d’une figure de l’État à l’occasion de débats visant à réguler l’infrastructure numérique tout en dessinant d’autres figures d’État souhaitées. Nous nous appuyons sur des sources secondaires, un ensemble de littérature grise et dix entretiens avec des acteurs historiques du mouvement des communs numériques pour dégager trois moments lors desquels des acteurs critiquent trois figures d’État, conceptualisent trois formes de communs numériques –biens communs numériques, communs numériques et faire en commun par le numérique–, et préfigurent trois figures d'État alternatives. Cette catégorisation permet de combler un point aveugle de la littérature en explicitant les différentes ramifications du mouvement des communs numériques et leur rapport à l’État.
Effect of systemic administration of omeprazole on osseointegration around titanium dental implants
Authors: Kanounisabet Negar , Mogharehabed Ahmad , Torabinia Nakisa , Nejad Seyedeh Marzieh Hashemi , Yaghini Jaber 
Published: June 2021

Background:
Dental implants are widely accepted substitutes for replacing missing teeth. Many factors, including the use of specific drugs such as proton-pump inhibitors (PPIs) (omeprazole), can affect the success of dental implantations. The aim of this study was to investigate the relationship between the use of omeprazole and osseointegration of dental implants.

Materials and Methods:
This experimental animal study was performed on eight native male dogs weighted 11–13 kg and aged 16–20 months. The dogs were divided into two groups (receivers and nonreceivers of omeprazole). After extraction of mandibular teeth, treatment was started randomly with the administration of omeprazole and saline. After a 2-month recovery period, six titanium implants were placed in the jaws of all dogs and the administration of omeprazole was continued for 2 weeks. After 4 and 12 weeks, the dogs were anesthetized and dental implants with their bone marrow were removed. The samples were examined histomorphometrically to determine osseointegration. Data were analyzed with two-way ANOVA test for 95% confidence interval. The P value was set at 0.05.

Results:
In the microscopic examination of the samples in week 4, the levels of bone–implant contact (BIC) in the study group were significantly lower than the control group (46.37 vs. 64.37%). In 12 weeks, BIC was significantly lower than that of the control group (67.33 vs. 82.00%). The type of bone formed in week 4 in both the groups was more woven, and in the 12th week, it was mostly lamellar.

Conclusion:
Systemic administration of PPIs may interfere with osseointegration of dental implants.
The efficacy of function-preservation in treating paranasal sinus and nasal cavity neoplasms
Authors: Deng Xiaoli , Lu Zhaoyi , Wang Xiaomin , Zhang Junjie , Liu Shixian , Zhang Mingjie , Meng Jie , Chen Deshang , Ma Shiyin , Li Hui 
Published: June 2021

Background:
Craniofacial resection (CFR) has been regarded as the gold standard for paranasal sinus and nasal cavity (PNSNC) neoplasms. The improvement of surgical procedures has been ongoing in recent years. We analyzed the clinical curative effects of the function-preservation therapy that was mainly using nasal endoscopic surgery along with appropriate radiotherapy and chemotherapy as applicable.

Methods:
We performed a retrospective analysis of factors that influence the survival time of the 28 patients with PNSNC neoplasms who underwent nasal endoscopic surgery. All patients with tumor lesions underwent a complete resection in en bloc or piecemeal resection. Five cases did not undergo radiotherapy or chemotherapy; the remaining 23 patients had multimodality therapy.

Results:
The median follow-up time was 41.5 (range = 14–97) months. The overall 3-year survival rate was 78.57% for T3 cancer and 50% for those with T4. T classification (P = 0.031) and multimodality therapy (P = 0.038) were independent prognostic factors for postoperative 3-year survival rate of patients with PNSNC neoplasms.

Conclusion:
Function-preservation therapy based on the minimally invasive endoscopic resection (MIER) with appropriate adjuvant therapy not only prolonged the overall survival time but also provided an opportunity to preserve organ function at the same time, which helped to improve the patients' quality of life.