bluuebunny/crossref_metadata_2025 huggingface dataset:
Uso de polvo de alto horno para mejorar las propiedades de material granular para pavimentos
Authors: Ochoa-Díaz Ricardo
Published: October 2021

The granular base and sub-base materials used in the construction of road surface structures must comply with certain requirements. In some cases, the requirements are not complied with and it is necessary to search for alternatives to improve the properties of the materials and thereby enable the use of these materials in the construction of roadways. Blast furnace dust is a residue from the production of steel that is of little use and is causing a negative environmental impact due to its accumulation. This study was carried out to analyse the possibility of utilizing blast furnace dust to improve the properties of granular materials, as an alternative that mitigates the environmental problems caused by the disposal and accumulation of these residues, which affect the areas of influence of these companies. To achieve this goal, the chemical and physical properties of blast furnace dust were determined and a analysis was carried out on mixtures of granular base and sub-base materials with 0, 2, 4, 6, and 8 percent dust. The analysis took place of determined characteristics including optimum humidity, maximum dry density, resistance, plasticity, and expansion in the presence of water. The results indicate that with the incorporation of 6% of BFD the properties of the granular material are improved and it can be used as an optimal material in road construction.
Evaluación sistémica de la implementación de un sistema de gestión de almacenes (WMS)
Authors: Ortiz Sol Jarlín , Paredes-Rodríguez Andres Mauricio
Published: October 2021

En la actualidad, la ejecución de tareas de inventario y el alistamiento de pedidos dentro de una bodega son actividades que tienen una alta representación en los costos logísticos de una compañía, por tanto, cualquier decisión que se tome para aumentar la productividad y disminuir el tiempo de ejecución de estas operaciones es relevante para la alta gerencia, y su implementación debe analizarse pensando en la sostenibilidad financiera de la estrategia a largo plazo. En el presente estudio se evalúa el impacto financiero que tiene la implementación de una herramienta de gestión de almacenes (conocida también como WMS) en una empresa que se dedica a la distribución de artículos ferreteros al detal y al por mayor. Con ayuda de la herramienta dinámica de sistemas se logra evaluar el efecto que genera la implementación del proyecto, teniendo en cuenta las variables que afectan directa e indirectamente el flujo de caja de la empresa objeto de estudio. A través de la simulación realizada se logra concluir que el proyecto de gestión de almacenes tiene un incremento en el flujo de caja de la compañía en un lapso de cinco años, no obstante, los resultados solo son válidos si la alta gerencia se compromete a fortalecer los procesos de capacitación de los empleados y realizar una mayor inversión en tecnología que permita obtener procesos logísticos más rápidos y eficientes.
Influencia del vetiver y eucalipto en la estabilidad de taludes
Authors: Chaparro-Sarmiento Luis David , Castañeda-Quijano Wilmer Josué , Sánchez-Ortiz Óscar F.
Published: October 2021

El eucalipto y el vetiver son plantas comunes en Colombia, las cuales pueden ser tomadas en cuenta por su efecto estabilizador por los ingenieros locales. Se realizó el análisis del efecto en la estabilidad que produce el eucalipto y el vetiver sobre diferentes tipos de suelos, variando la geometría, el ángulo de inclinación y teniendo en cuenta el efecto del nivel freático. El método de análisis trabajado es el equilibrio límite bajo el criterio de Mohr-Coulomb. Los efectos de las raíces mostrados en cohesión añadida varían dependiendo de la profundidad en el suelo y del tipo de planta; estos junto con el peso del eucalipto son los parámetros que se tuvieron en cuenta en el uso de la vegetación como agente estabilizador de taludes. El efecto del agua sobre el talud se puede ver en los resultados, y tiene un impacto significativo en el factor de seguridad del talud, sobre todo cuando los ángulos de inclinación son bajos y dependiendo del tipo de vegetación presente. Finalmente, se demostró la efectividad del eucalipto en la estabilidad de taludes, cuyo único factor negativo es su peso en altas pendientes, mientras que el aporte ofrecido por el vetiver joven a la estabilidad del talud no es muy significativo.
Data, Maps, Networks – Digital Approaches to Reading (in) Nineteenth-Century Literature
Authors: Schober Regina
Published: October 2021

Recently, there has been a growing number of scholarly attempts to ‘read’ the 19th century either through digital methods or, more specifically as a precursor to contemporary digital culture. The practice of reading is a category through which the two dimensions of spending time in and with the nineteenth century can be thought together. A focus on reading, as a way to spend time in/with the nineteenth century makes us aware of both the knowledge systems and methodologies of accessing and processing information, both in literary texts of that period and simultaneously in our own work. More specifically, my essay is interested in questions of ‘readability’ and the ‘crisis of reading’, as self-reflexively pronounced in two nineteenth century novels: Herman Melville’s Moby Dick and Frank Norris’s The Octopus. These novels, I argue, prefigure debates that are well-known to us and that materialize in the opposition between what Katherine Hayles has called “hyperreading” vs linear or immersive reading, between the New Critic’s formulation of close reading and what Franco Moretti has provocatively called “distant reading”, or the postcritical distinction between symptomatic and surface reading. By discussing different strategies of reading, the novels express the uncontrollability in view of increasing information environments. Yet, even if these webs of signification are elusive and at times dangerous, both novels, in a self-reflexive move, express a desire of writing the human reader into this web of signification and therefore to emphasize the significance of reading in an increasingly automated world.
THE ALGOFLORA OF THE PONDS OF DIUKOVSKYI PARK OF CITY ODESA
Authors: Gerasimiuk V. P.
Published: October 2021

Introduction. Microscopic algae play an important role in ecosystems of ponds. They create a primary organic matter, select oxygen, utilize carbon dioxide, inorganic and organic contamination in water and are a meal for numerous aquatic lives (infusoria, worms, crustaceas and fishes).
Aim. The aim of the work was to study the current state of the algoflora of the ponds studied.
Methods. The samples collected from November 2011 for August in 2020 on two ponds of Diukovskyi Park served as materials for the research. The samples were collected in phytoplankton, periphyton and microphytobenthos in spring, in summer and in autumn. On the whole 80 samples were collected and treated. The specific composition of algae was studied by the light microscope XSP-104.
 Results. The results of the research (2011-2020) of the specific composition of microscopic algae from 2 ponds of Diukovskyi Park of city Odesa were generalised. The species composition of the microphytes of Dukovskyi ponds included 67 species of algae, which belonged to 49 genera, 36 families, 21 orders, 9 classes, 7 divisions, 4 kingdoms and 2 empires. The number of species in the ponds was dominated by representatives of diatoms (38 species), blue-green (13), green (7) and khar (5). 13 species belonged to the empire of prokaryotes, 54 species – to eukaryotes. The kingdom of eubacteria is represented by 13, chromists ‒ 40, protozoa – 2, plants ‒ 12 species. Representatives of the leading genera Cosmarium Corda et Ralfs (5 species), Nitzschia Hassall (4) make up the algoflora of the ponds. For the first time, 14 new species of algae were registered for the ponds of Diukovskyi Park. The Sorensen-Chekanov similarity coefficient of the species composition of the algae ponds between the algoflores of Diukovskyi park and the arboretum named After Victory was 0.44, and Jakkar similarity ratio between them ‒ 0.29. In phytoplankton of ponds 20, periphyton ‒ 23 and microphytobentos ‒ 24 species were identified. By type of organization, single-celled forms were represented by 25, colonial - 33 and multicellular ‒ 6 species. Among them, there were 40 immobile, 27 taxa ‒ mobile. In accordance with the type of morphological differentiation of tallomas coccoid forms (50 taxa) dominated, filamentous constituted 6, capsal ‒ 6 and monad ‒ 4 species. The algoflora of the ponds of Diukovskyi Park is freshwater, alkaliphilic, mesosaprobic and cosmopolitan.
Conclusions. The algoflora of two ponds of Diukovskyi Park consists of 67 species of microscopic algae, which belong to 7 divisions, 4 kingdoms and 2 empires. For the first time14 new species were identified for the ponds. The algoflora of ponds of Diukovskyi Park is freshwater, alkaliphilic, mesosaprobic and cosmopolitan.
Sustainable consumption
Authors: Borusiak Barbara
Published: October 2021

The aim of the chapter is to present the essence of sustainable consumption and its basic rules: Reduce-Reuse-Recycle. Minimalism and sharing economy were presented as the manifestation of the Reduce rule. Reuse requires distribution systems which will give access to preowned products (in a broader scope), thus, they will provide products with a second life. This may be provided by alternative retail formats which are oriented towards the sale of second-hand products. Some of these formats, especially online applications, are becoming quite popular—their number, as well as the amount of their customers is rapidly growing. Also, traditional mainstream retailers have become involved in second-hand product sales.
Sustainable development in marketing strategy
Authors: Reshetkova Atanaska
Published: October 2021

Marketing strategy is an important part of every business strategy because it is crucial in attaining marketing goals and to grant the overall success of a company. Broadly speaking, marketing strategy allows to define the long-term marketing goals of a firm and what needs to be done in order to achieve these goals. This provides a set of planned steps to bring the marketing mix into the desired state to achieve the overall business goal. In this sense, the marketing strategy is never created independently based on the corporate level strategy. Marketing management has evolved over the past decade to become customer-cantered, and it continues to change along with consumers. It is not surprising that the concept of sustainable development (SD) has left its footprints on marketing strategy, as today it has strong impact on the consumer’s mind and behaviour. Managers face the challenge of incorporating the main dimensions of sustainability into the marketing strategy—environmental, social and economic aspects. The main goal of this chapter is to explain how SD is integrated with marketing.
Sustainability in human resource management
Authors: Stefańska Magdalena
Published: October 2021

The concept of sustainability is referred to the basic functions of human resources (HR)— recruitment, motivation, assessment and control. They should embrace sustainability, not just for organisational effectiveness and long-term economic benefits, but also for ethical reasons. Owing to SHRM, the awareness and behaviour of the whole organisation may strongly express SD goals in planning and implementing the whole corporate strategy. Frequently, the term ‘sustainable practices’ in SHRM is congruent with CSR. The main goal of the chapter is to explain how Sustainable Development Goals can be implemented in human resource management (HRM) and translated into sustainable human resource management (SHRM).
Consumption as the subject of market research
Authors: Olejnik Iwona , Stefańska Magdalena
Published: October 2021

One of the most important areas of market research is on consumer behaviour and attitudes regarding various aspects of sustainable consumption. Consumer behaviour is understood as activities related to the entire consumption cycle of products from various sectors, which allow the consumer to function and achieve personal goals. They, at the same time, also they allow to achieve satisfaction and well-being, taking short- and long-term effects as well as individual and social consequences into account (Antonides & van Raaij, 1999). Within the context of the cited definition, a survey of household rubbish may be very interesting and useful. Such research is not of a declarative nature, but is based on products consumed actually. They can provide extensive information on consumption trends, including, for example, the amount and type of products consumed or food waste. Another example of market research in the context of sustainable consumption is research on products harmful to health, e.g. cigarettes. The main goal of the chapter is to present 2 unusual examples of market research conducted by various entities: journalists and a research agency. Therefore, the structure of the chapter covers two examples: 1. Garbology as an example of market research in SD—how to learn more about consumers and consumption. 2. Cigarette consumption.
Corporate Responsibility towards employees–Raben Group
Authors: Jankowska Natalia
Published: October 2021

Human capital management in an organisation is one of the key areas of company success and its competitive advantage, particularly in a service company such as Raben (Zając, 2014). As an entity operating in the Transport Forwarding Logistics (TFL) sector, its decisions in the area of human resources management depend on industry factors. This is evidenced, among others, by the structure of employees. The aim of this case study is: first, to draw attention to the problems that companies operating in specific sectors may face. The second goal is to identify their ability to implement the concept of a company responsible to employees. The company strives to take the goals set by the United Nations (SDGs) into account. These include taking care of appropriate employment structure, ensuring employee development, ensuring diversity, caring for work-life balance as well as safety in the workplace, and building relations with external stakeholders. The specificity of the industry in which the presented company operates makes it pursue a number of Sustainable Development Goals—both with regard to employees and in terms of environmental protection. Some need to be adapted accordingly.
STUDY OF THE PLASTICIZING EFFECT OF MOISTURE ON THE PROPERTIES OF VSE-34 BINDER BASED PCMS AFTER 5 YEARS EXPOSURE IN THE DIFFERENT CLIMATE ZONES
Authors:   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Koval T.V. , Veligodsky I.M. ,   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Gromova A.A. ,   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials»
Published: October 2021

The plasticizing effect of moisture on the glass transition temperature of VSE-34 solvent-free epoxy binder based polymer composite materials (PCMs) with different reinforcement was studied. Natural weathering was performed in three climatic regions of Russia: Moscow, Gelendzhik, Sochi. It was shown that the glass transition temperature is significantly reduced after 1 year of exposure and then is gradually increased after 3 and 5 years of exposure. Samples were studied in «as-received» state as well as after drying and saturation by water till mass stabilization in order to investigate the moisture influence on PCMs’ glass transition temperature. Linear relationship between glass transition temperature and moisture content was observed.
STUDY OF A HIGH-TEMPERATURE INTERMETALLIDE MATRIX OF THE Ni–Al–Co SYSTEM FOR PRODUCING STRUCTURAL ALLOYS WITH INCREASED PLASTICITY (review)
Authors:   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Lomberg B.S. , Bazyleva O.A. ,   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Karashaev M.M. ,   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Letnikov M.N. ,   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials»
Published: October 2021

A generalization of the results of scientific and technical publications is presented, the analysis of which will allow to develop scientific foundations for the creation of a new class of heat-resistant structural materials based on intermetallic matrices with increased plasticity at room temperature and high specific strength at temperatures up to 950 °C in the Ni–Al–Co system. It is shown that alloys of the Ni–Al–Co system can be used in the manufacture of rotary parts in the form of gas turbine engine discs (GTE), working at temperatures up to 950 °C, as well as materials for GTE blades due to heat resistance at temperatures up to 1200 °C.
FEATURES OF DESTRUCTION OF NITRIDED SAMPLES OF 38H2MYuA AND 30H3MA STEELS
Authors:   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Slavin A.V. , Lyakhov A.A. ,   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Vishtalyuk A.A. ,   JSC Gavrilov-Yam Machine-Building Plant «Agat», Kuzmina O.V. ,   JSC Gavrilov-Yam Machine-Building Plant «Agat», Gulina I.V. ,   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Yakovlev N.O. ,   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Grinevich A.V. ,   Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials»
Published: October 2021

The article deals with the features of deformation and destruction of samples that have undergone chemical-thermal treatment, using the example of testing nitrided samples of steels 38H2MYuA and 30H3MA. It is established that the mechanical properties determined during the tensile testing of samples with a highly rigid brittle layer cannot serve as design characteristics when evaluating the bearing capacity of parts that have undergone chemical-thermal treatment. Testing of nitrided samples of 38H2MYuA and 30H3MA steels demonstrated a complex process of their deformation and destruction, and the test result showed that this steel treated to the «hardened + high tempering» mode sensitivity to the most dangerous concentration the crack is absent.
Biosynthesis of Bimetallic Ag-Au (core-shell) Nanoparticles Using Aqueous Extract of Bay Leaves (Laurus nobilis L.)
Authors: HODA Numan , BUDAMA AKPOLAT Leyla , MERT SİVRİ Firdevs , KURTULUŞ Duygu
Published: October 2021

The green synthesis of bimetallic nanoparticles using plant extracts is attracting an increasing attention in the nanoparticle production field since, besides being available for the production of bimetallic nanoparticles, it is cost-effective, eco-friendly, and it is available for large scale production. The required agents to reduce and stabilize metal nanoparticles during synthesis already exist in plant extracts as phytochemicals. The study highlights the synthesis of gold, silver, and silver-gold (bimetallic) nanoparticles at room temperature using an aqueous extract of dried bay leaves and their physical and chemical characterizations for their potential applications. We have synthesized Ag, Au, and Ag-Au nanoparticles using the aqueous bay leaves extract. The nanoparticles were characterized by UV-Vis spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), and Fourier transform infrared spectroscopy (FT-IR). According to UV-Vis spectroscopic results, it is concluded that Ag-Au bimetallic nanoparticles synthesized in the extract have a core-shell arrangement. XRD measurements revealed that all nanoparticles (Ag, Au, and Ag-Au) are in fcc structure. The nanoparticles' average sizes were measured as 10±7, 23±4, and 8±3 nm for Ag, Au, and Ag-Au nanoparticles, respectively, as determined from the TEM images. The results offer that besides Ag and Au nanoparticles, bimetallic Ag-Au nanoparticles synthesized in an aqueous extract of dried bay leaves may play a prominent role in the field of nanotechnology, especially in nanomedicine.
Extractive desulfurization using piperidinium based ionic liquids with Lewis acids
Authors: SABAH Assim A.
Published: October 2021

This work includes the preparation of ionic liquid 1,4-dimethylpiperidinium iodide [MMPip]I and its salts with ferric chloride as Lewis acid in different molar proportions [MMPip]I/nFeCl3 (n=1,2,3). The prepared compounds were diagnosed by spectroscopic and physical methods such as 1H-NMR, FT-IR, elemental analysis (CHN) and other techniques. The thermal stability of these compounds was studied to use in the extractive desulfurization process (EDS). The efficiency of these compounds in removing sulfur compounds from the petroleum model was examined using dibenzothiophene (DBT) with a concentration of 1000 ppm dissolved in the solvent of normal hexane. The results showed that the compounds used had an acceptable efficiency of up to 30% despite using medium amounts of the extracted agent relative to the oil model; these compounds have a promising future in extractive sulfur removal processes.
JUSTIFICATION AND CHOOSING OF RATIONAL CONSTRUCTIVE CROSSSECTIONS, POSSIBILITIES OF USING IN DIFFERENT CONSTRUCTION DIRECTIONS
Authors: Deryzemlia Svitlana
Published: October 2021

The development of modern construction is closely related to the efficient use problemof building materials in terms of rational use materials’ strength properties. The search of rationalstructure in terms of geometric parameters, the materials use and providing the same bearingcapacity is important question in the modern building. The purpose of article is to carry out acomparative analysis of the geometric and strength characteristics of different reinforced concretecross-sections, and consideration of existing methods for calculating the bearing capacity andassessment of the stress-strain state of reinforced concrete beams.The steel-concrete structures using in different building structures is paid much attention in theworld practice. The steel-concrete structures widespread using leads to the economy of materials,reducing the complexity of manufacture, reducing time erection. The using of reinforced concreteleads to significant economy of steel, and set the new tasks for the engineers in the same time: ownweight and geometric parameters reducing of the cross-section without reducing of bearing capacityin whole. With the search for new structures that would meet the building requirements and usage ofdifferent building, nowadays significant attention pays to the improvement and development of thesteel-concrete elements. During the development and improvement of steel-concrete structures,significant changes have been made in terms of ensuring the joint operation of reinforced concreteand steel. Such structures require constant research and improvement in order to reduce their ownweight, financial costs, etc. The question of finding a rational structure in terms of geometricparameters, the materials using, as well as ensuring the same bearing capacity is currently important
DETERMINATION OF THE ASSESSMENT ON INCREASING THE SEISMOSTICITY OF BRICK LAYING OF BUILDINGS AND STRUCTURES WITH DAMAGES AND DEFECTS
Authors: Andrukh Serhii , Telichenko Alexander
Published: October 2021

The article uses a method of research and determination of damage and defects ofstone structures. This method provides elimination: the presence of cracks, their length, and width ofthe opening, the presence of defects in the brickwork, the presence of erosion in the brickwork, thedisplacement of arched and arched bridges.To assess the strength of bricks and mortar in masonry, the proposed method was as follows.Places for drilling in brickwork were chosen arbitrarily along with the entire height of the masonry.Drilling was performed perpendicular to the brickwork. The number of places required for drillingcorresponded to the number of samples tested for compression, according to the normative document.To determine the performance properties of brickwork, by following per under regulations in acomplete inspection of buildings, sampling methods used a large number of studies. This problem isespecially relevant for brick buildings to the defects and damages of constructive characterestablished during the inspection which accounting by standard methods does not provide necessaryreliability.The task is complicated if the structure, under the influence of certain operational factors, therewas a change in its stress state, which cannot be estimated by calculation. The structural elementselected for inspection is responsible, which in turn will lead to the destruction of the redistributionof forces and will be dangerous, which can lead to the destruction of other elements and the collapseof the entire system of structures. In this situation, it is recommended to adopt a method that allowsyou to experimentally determine the actual level of stress of the whole element or its individual part.The method was developed primarily for old residential and public buildings (architecturalmonuments) and helps to preserve the original appearance of structures, which does not violate thearchitectural ensemble of the whole house.
ANALYSIS OF THE CURRENT STATE OF THE CONTAINER TRANSPORTATION MARKET AND WAYS OF ITS DEVELOPMENT ON THE CHINA-UKRAINE-EU ROUTE
Authors: Lomotko Denis , Holovan Kristina
Published: October 2021

Considering the globalization of international market relations, the article deals withthe modern market for international container traffic on the China-Ukraine-EU route. Through myresearch, it has become clear that the international rail container transportation market is evolvingrapidly and the development of railway infrastructure is rapidly becoming a lucrative investment.The potential is evident as demonstrated by the fact that China is considering rail containertransportation as an effective alternative to the traditional transportation methods such as sea- andairfreight intermodal container transportation of goods in the nearest future. There are distinctadvantages to rail container transportation, namely: versatility; mobility; distribution of containerhandling equipment; safety of cargo as well as speed of delivery. The article points out the majorproblems related to container transportation in Ukraine: poor condition of highways; deteriorationof rolling stock and railway infrastructure in general; lack of sufficient quantity and low availabilityof modern equipment at container terminals in Ukraine; a low competitive level of transport service;high level of bureaucracy on the railway and in customs clearance. In a free-market economy and,in particular, during industry restructuring, the author proposes a new approach to organizecontainer transportation in Ukraine and for the Ukrainian railway, which should reduce the costs ofrailway traffic , on the one hand, and make it more attractive to the users, thereby confirming itscompetitive advantages. The author came to the conclusion that, owing to the development of therailway infrastructure, namely the construction of a container logistics system and high-speedrailways on the territory of Ukraine, it is possible to not only reach a competitive level of transitstates on the China-EU route but also to take a preferred position as the most economical and fastest means of transit, obtaining a substantial profit and an incentive for the further development of thetransit potential of our country.
Study of urine steroid profiles by gas chromatography-mass spectrometry in patients with adrenocortical cancer in the course of treatment
Authors: Velikanova L. I. , Vorokhobina N. V. , Shafigullina Z. R. , Bokhian V. Yu. , Stilidi I. S. , Kalugina V. V. , Malevanaya E. V. , Strelnikova E. G. , Kushlinskii N. E.
Published: October 2021

Background: Adrenocortical carcinoma (ACC) is a rare and aggressive disease. There are only few studies evaluating the diagnostic value of gas chromatography-mass spectrometry (GC-MS) for detection of ACC recurrence after surgery. It is necessary to conduct an in-depth study to search for the most informative markers of the disease relapse.

Aim: To study urine steroid metabolism by GC-MS during treatment to identify early signs of metastatic disease and relapse.

Materials and methods: Thirty nine (39) ACC patients were examined before and after surgery, in the early postoperative period (< 1 year) and late postoperative period (at 2 to 5 years). Ten (10) patients were disease-free at less than 1 year after surgery. Twenty nine (29) patients had metastases in lungs and other organs: 14, within 1 year after surgery, and 15, at 2 to 5 years. The control group included 25 patients with nonfunctioning adrenocortical adenomas (NAA) without malignant characteristics at histological examination. Urine steroid profiles were assessed with a gas chromatograph-mass spectrometer Shimadzu GCMS-QP2020.

Results: As assessed by GC-MS, 16 major ACC biomarkers were found before surgery, including etiocholanolone, dehydroepiandrosterone (DHEA) and its metabolites, pregnanediol, pregnanetriol, 5-ene-pregnenes, and tetrahydro-11-deoxycortisol (THS). Their urine excretion was increased compared to that in the patients with NAA (р < 0.002). A non-classic 5-ene-pregnene, 3β,16,20-pregnenetriol (3β,16,20-dP3), was identified, with its urine excretion of > 500 mcg/day that was typical for ACC patients. After surgery, decreased urinary excretion of THS (р < 0.0001) and 3β,16,20-dP3 (р < 0.0001), increased 3α,16,20-dP3/3β,16,20-dP3 ratio (р = 0.003), compared to those before surgery, were indicative of the absence of any metastases. No difference of urine THS excretion and 3α,16,20-dP3/3e,16,20-dP3 ratio from the corresponding values before surgery (p > 0.05) is a sign of metastatic diseases in the ACC patients at less than 1 year after the surgery, of the disease relapse at 2 to 5 years, and of the disease relapse after chemotherapy. In addition, in the ACC patients with metastatic disease within 1 year after surgery, increased progestogen urine excretion was found. Urine excretion of DHEA and its metabolites in the patients with the disease relapse after chemotherapy was not different from those in the ACC patients before surgery (p > 0.05).

Conclusion: Determination of urine excretion of THS, DHEA and its metabolites, etiocholanolone, 5-ene-pregnenes, 3β,16,20-dP3, and 3α,16,20-dP3/3β,16,20-dP3 ratio by GC-MS is of utmost importance in the monitoring of treatment for ACC and early diagnosis of the disease progression.
ОЦЕНКА ЭФФЕКТИВНОСТИ ПАРЛИФТНОЙ ДОБЫЧИ ФЛЮИДА НА МУТНОВСКОМ ГЕОТЕРМАЛЬНОМ МЕСТОРОЖДЕНИИ (КАМЧАТКА) ПРИ РАЗРАБОТКЕ ГЛУБОКИХ ГОРИЗОНТОВ
Authors: Шулюпин Александр Николаевич , Любин Алексей Анатольевич , Чернев Иван Иванович
Published: October 2021

Актуальность исследования обусловлена необходимостью расширения ресурсной базы Мутновского геотермального месторождения (Камчатка) для восполнения дефицита теплоносителя на действующих ГеоЭС и наращивания мощности станций. Цель: оценить эффективность парлифтной добычи теплоносителя на Мутновском месторождении при переходе к освоению глубоких горизонтов (скважинами глубиной 3 и 4 км при существующей глубине освоения 2 км). Методы: теоретическое обоснование показателя эффективности парлифтной добычи геотермального флюида; математическое моделирование течения в добычной парлифтной скважине при существующей типовой конструкции (глубиной 2 км), а также в планируемых к бурению скважинах глубиной 3 и 4 км; анализ результатов моделирования. Результаты. Обосновано использование в качестве показателя эффективности парлифта максимальной депрессии в пласте, которую может обеспечить парлифтная технология добычи; установлено, что освоение более глубоких горизонтов Мутновского месторождения скважинами до 3 км, при существующей глубине освоения до 2 км, позволит существенно повысить эффективность парлифтной добычи, увеличив максимальную депрессию в пласте, создаваемую добычными скважинами, примерно в два раза; установлено, что увеличение глубины освоения Мутновского месторождения до 4 км целесообразно в случае наличия роста температуры резервуара на планируемой к освоению глубине, так, в случае увеличения температуры по наиболее вероятному варианту (с геотермическим градиентом 1,6 градусов на 100 м) максимальная депрессия увеличится, по сравнению с существующим состоянием, в 3,3 раза. Вывод. Полученные результаты указывают на технологическую целесообразность постановки вопроса о переходе на Мутновском геотермальном месторождении к разработке более глубоких горизонтов.
ПЕРСПЕКТИВНАЯ ТЕХНОЛОГИЯ ДЛЯ УВЕЛИЧЕНИЯ НЕФТЕОТДАЧИ НА МЕСТОРОЖДЕНИЯХ С РАЗНОЙ ПРОНИЦАЕМОСТЬЮ ПЛАСТОВ
Authors: Манжай Владимир Николаевич , Ульянюк Максим Павлович , Рождественский Евгений Александрович
Published: October 2021

Актуальность работы. Месторождения часто имеют сложную неоднородную структуру с трудно извлекаемыми запасами, разработка которых осложнена ещё и тем, что различные пропластки имеют разную проницаемость. В результате использования технологии заводнения, наиболее распространенного метода повышения нефтеотдачи, месторождение достаточно быстро становится неэффективным, так как вода после начальной стадии нефтевытеснения начинает фильтроваться к добывающим скважинам по уже промытым высокопроницаемым каналам. Решением данной проблемы является применение блокирующих реагентов из химических композиций, закрывающих промытые каналы и вынуждающих воду вытеснять нефть из ранее незадействованных (низкопроницаемых) зон. Цель работы: сравнительный анализ эффективности действия композиций на основе карбамида и уротропина в качестве блокирующих экранов для высокопроницаемых зон нефтеносного пласта, предварительно промытых водой. Методы: моделирование процесса нефтевытеснения на установке SAP-700 с двумя параллельно работающими колонками; газовый метод определения проницаемости породы. Результаты. В лабораторных условиях на установке SAP-700 с колонками насыпного типа была экспериментально подтверждена эффективность применения композиций на основе карбамида и уротропина в качестве основных компонентов для формирования блокирующих экранов с целью повышения коэффициента извлечения нефти. Так, по первому эксперименту с применением композиции, содержащей в своем составе карбамид, общий коэффициент извлечения нефти составил 0,4, из которых величина 0,16 является добавочной. Во втором же эксперименте общий коэффициент извлечения нефти составил 0,38, при этом 0,24 добавочные. Данные технологии для месторождений с разной проницаемостью пластов позволяют значительно увеличить степень выработки запасов по сравнению с обычным заводнением.
МИНЕРАЛОГИЯ БАРИТ-ПОЛИМЕТАЛЛИЧЕСКИХ МЕСТОРОЖДЕНИЙ ЗМЕИНОГОРСКОГО РУДНОГО РАЙОНА (РУДНЫЙ АЛТАЙ)
Authors: Бестемьянова Ксения Викторовна , Гринев Олег Михайлович
Published: October 2021

Актуальность исследования обусловлена пониманием важности разработки современной генетической модели изучаемых месторождений, что в свою очередь ведет к разработке научно-обоснованных прогноза и оценки объектов и в итоге расширению минерально-сырьевой базы для воспроизводства запасов полиметаллических руд, прежде всего, меди свинца и цинка, с учетом продолжающихся поисково-разведочных работ на Рудном Алтае, в том числе на флангах и глубоких горизонтах уже известных месторождений. Цель: изучение минерального состава руд с использованием современных методов исследования вещества, выявление минералого-геохимических характеристик, а также ряда генетических аспектов образования барит-полиметаллических руд месторождений Змеиногорского рудного района. Методы. Проведено комплексное исследование барит-полиметаллических руд, включающее характеристику минерализации в поляризационном микроскопе, исследование руд и отдельных сульфидных минералов рентгеновским энерго-дисперсионным микроанализом, масс спектрометрическим с индуктивно связанной плазмой (ICP-MS), атомно-абсорбционным, а также масс-спектрометрическим изотопным анализом. Результаты. Изучена минералогия руд барит-полиметаллических месторождений Змеиногорского рудного района, насчитывающая порядка 30 минералов, среди которых, в порядке убывания, отмечены: сульфиды, сульфасоли, теллуриды, окислы, соли кислородных кислот, самородные элементы и интерметаллические соединения. Выделены основные минеральные парагенезисы, соответствующие последовательным стадиям минералообразования (рудной составляющей): пирит-сфалерит-халькопиритовая ассоциация, отвечающая первой стадии минералообразования; галенит-блекловорудная ассоциация (вторая стадия); борнит-халькозиновая ассоциация (третья стадия); барит-кальцит-гематитовая ассоциация (четвертая стадия). Изучен химический состав основных и примесных компонентов в сульфидах, выявлены ранее не диагностированные минералы. Установлена наиболее продуктивная на выделение самостоятельных минеральных фаз благородных металлов третья стадия (борнит-халькозиновый парагенезис). Источник вещества в процессе рудообразования имел гетерогенный характер, который обусловлен мантийными изотопными метками при начальных стадиях и сменой их на коровые, вариации изотопных характеристик (δ34S) сульфидов первой стадии –0,2…+1,2 ‰; сульфидов второй стадии –2,3…–3,7 ‰; сульфидов третьей стадии –8,9…–12,8 ‰.
IMPLEMENTASI GAME SEBAGAI MEDIA SOSIALISAI MITIGASI GUNNG MELETUS PADA SISWA SD KELAS 4 DENGAN MENGGUNAKAN METODE FINITE STATE MACHINE DAN FUZZY SUGENO
Authors: Muqorrobin Yastaqiim
Published: October 2021

Indonesia merupakan negara yang rentan terhadap bencana. Salah satunya adalah gempa bumi dan gunung meletus. Edukasi tentang mitigasi bencana perlu dikenalkan sejak usia dini, tidak terkecuali untuk siswa sekolah dasar. Saat ini, media edukasi untuk menumbuhkan kemandirian dan keselamatan dalam keadaan darurat bagi siswa sekolah dasar masih sangat kurang. Kurangnya media edukasi untuk mengenali, mencegah, atau menyelamatkan diri dari situasi berbahaya, serta keterampilan berkomunikasi untuk melaporkan situasi apabila terjadi. Sehubungan dengan pesatnya perkembangan teknologi, game virtual telah menjadi salah satu teknologi yang populer di zaman ini. Oleh karena itu, perlu adanya game edukasi yang berisi mitgasi berupa simulasi dan pengetahuan mengenai mitigasi bencana. Game sebagai media pendekatan diharapkan masyarakat khususnya siswa SD Kelas 4 dapat mengenali dan mengatasi berbagai ancaman dan dampak dari bencana gunung meletus dan gempa. selain itu akan memudahkan pemerintah untuk mengatasi beberapa kendala dari sosialisasi mitigasi bencana yang dilakukan secara tradisional. Pada penelitian ini membahas tentang penerapan fuzzy Sugeno kedalam game sosilasisasi mitigasi dan memfokuskan bagaimana respon dari NPC kepada player dengan menggunakan kecerdasan buatan (Artificial Intelligence) sebagai jenis pemograman yang dapat melakukan tindakan serta berpikir secara rasional pada saat yang bersamaan maupun tidak. Hasil yang didapatkan bahwa  metode fuzzy Sugeno dan finite state machine berhasil diterapkan pada perilaku NPC pada game dengan  hasil persentase pada setiap varaibel memiliki nilai perbedaan yang tidak cukup jauh yang menunjukkan bahwa banyaknya nilai kemungkinan perilaku NPC yang akan muncul. Berdasarkan uji coba yang dilakukan pada siswa, diketahui bahwa persentase kriteria M memiliki nilai persentase yang paling besar sehingga game dapat dikatakan dalam kategori menyenangkan.
The Helen Keller Question Applied to Workplace Discrimination: Hearing Loss vs. Visual Loss
Authors: McMahon Brian T. , Leslie Mykal J. , Li Grace W. , Rumrill Phillip D. , Simpson Paige E. , Grover James M.
Published: October 2021

Background

In exploring the matter of sensory loss and job discrimination, the National EEOC ADA Research Project (NEARP) seeks to answer a singular question.

Objective

How do persons with hearing loss (HL) vs. visual loss (VL) experience the nature and scope of workplace discrimination differently, if at all?

Methods

The NEARP team uses an ex post facto, causal comparative quantitative design that includes descriptive and inferential, nonparametric statistics. Closed EEOC files involving ADA allegations of workplace discrimination filed by Americans with Hearing Loss (HL, N = 21,847) and Vision Loss (VL, N = 16,136) were compared in terms of demographics, issues, and investigatory outcomes.

Results

HL and VL groups show Demographic differences to one another and to population statistics of sensory impairment in the areas of Gender and Race/Ethnicity. Regarding Issues, HL and VL groups are different from one another with respect to several prevalent matters (i.e., Discharge, Reasonable Accommodation) and small-scale matters (i.e., Hiring and Terms/Conditions). With respect to the Merit of allegations following EEOC investigation, HL and VL are very similar.

Conclusion

Workplace discrimination is experienced differently for Charging Parties who experience HL vs. VL. Moreover, important differences exist Charging Parties from both sensory impairments vs. those from a General Disability Population.
Examining the Relationships Between Social Determinants of Health and Health-Related Quality of Life Among Individuals Living With HIV
Authors: Chiu Yung-Chen Jen , Boomer KB , Conyers Liza , Wang Yili , Misrok Mark
Published: October 2021

Purpose

The current study examined the relationships between health-related quality of life (HRQOL) and social determinants of health (SDH), which are the individual and structural factors that contribute to health outcomes.

Method

A hierarchical general linear model was used to assess the sequential effect of the SDH on the scores of the Short Form-12 among people living with HIV.

Results

Results show that many psychosocial, medical, demographic, financial, and vocational factors are significant predictors of HRQOL.

Conclusions

Gaining a deeper understanding of the impact of SDH on HRQOL is critical for rehabilitation counselors to develop effective assessments and interventions.
A A incerteza na docência
Authors: Caroline Kloss
Published: October 2021

Este estudo teve como objetivo investigar a presença da incerteza na docência, a partir de um diálogo teórico-prático. A parte teórica foi constituída a partir dos autores Boaventura Sousa Santos (2006), Maria Isabel da Cunha (2002), Paulo Freire (1996; 1987) e Edgar Morin (2001; 2005). E a parte prática foi constituída por relatos reflexivos acerca de um estágio no ensino superior. Os procedimentos metodológicos basearam-se no pensamento complexo (MORIN; CIURANA; MOTTA, 2003) que presume a subdivisão do método em programa e estratégia, tomando como guia o objetivo geral e deixando que as problematizações surgissem no decorrer do diálogo (teórico-prático). A reflexão partiu de três frentes diferentes: a) o aporte teórico advindo de uma disciplina do curso de mestrado em Educação chamada Seminário Docência no Ensino Superior, b) o aporte teórico advindo leituras para uma pesquisa de mestrado em Educação e c) a prática reflexiva de uma experiência de docência no ensino superior. Ao longo do processo, as reflexões estabelecidas evidenciaram a necessidade de mudanças, no que se refere à postura do docente, diante das incertezas, tanto profissionalmente como nas outras dimensões, modificando o entendimento de que o ideal é a estabilidade e passando a compreender que as ordens e desordens fazem parte do real complexo.

Palavras-chave: docência, ensino superior, incerteza, complexidade.
Desenvolvimento profissional docente e necessidades formativas de professores
Authors: Fernandes Ferreira Tássia , De Moura Evêncio Kátia Maria
Published: October 2021

Na presente pesquisa tivemos como objetivo principal investigar as necessidades formativas de docentes dos cursos de licenciaturas do Instituto Federal de Educação, Ciência e Tecnologia doestado do Ceará (IFCE). A partir de uma abordagem qualitativa, ancorada em um estudo de caso, o processo metodológico contou com uso de questionário online aplicado aos sujeitos acima especificados. A análise nos permitiu, além da identificação das necessidades formativas docentes, verificar que suas percepções apontam para o reconhecimento de que a formação inicial deve ser indissociável da formação continuada, compreendendo a ideia de um continuum nessa formação, na perspectiva de um desenvolvimento profissional docente. A pesquisa proporcionou a escuta das professoras, valorizando o diálogo e as aproximações com os docentes em seu contexto de atuação, propondo o exercício da reflexão e do compartilhamento de ideias.
Fertility differentiation according to female education levels in Russia: current situation and forecast scenarios
Authors: Arkhangelsky Vladimir , Zinkina Yulia , Shulgin Sergey
Published: October 2021

This paper analyzes the differentiation of birth rates of Russia women by education levels. Two levels are specified: 1) complete and incomplete higher education; 2) secondary professional education and below). First of all, the mean number of children born in real cohorts is calculated for each of the two education levels. For this, we use the micro-databases of the 2010 census and the 2015 micro-census. The data of the Sample Survey of the Reproductive Plans of Population are used additionally (including in the construction of age models of fertility). We estimate mean numbers of children born in one-year age groups in real cohorts by female education levels at 1.5 for women with complete and incomplete higher education and 1.8 for women with secondary professional education and below. Based on the obtained estimates and the analyzed data, we construct three forecast scenarios of the future dynamics of fertility rates for two levels of education. In our opinion, mean number of children born to real cohorts of women will likely stay the same for both education levels, as will the age-related fertility model — so this scenario is considered as the basic and the most likely one. The forecast scenario of mean number of children dropping to the lowest values that were observed in real cohorts of women of the 1960s — the first half of the 1970s is considered as a low variant. In determining the high variant of the forecast scenario we take into account the data on the expected and desired number of children among women with different education levels. Finally, we proceed to calculate the mean numbers of children born in real cohorts by female education levels according to each of the three forecast scenarios up till the cohort of women born in 2035, who will enter their reproductive age in 2050.
Socioeconomic inequalities in health in the post-Soviet Russia
Authors: Paul Pavitra , Valtonen Hannu , Kovtun Natalia
Published: October 2021

Individual characteristics and socioeconomic position (SEP) are important determinants of health differences. We (1) examine the association of demography and SEP, with perceived health of the Russian population, and (2) quantify the magnitude of health inequalities ascribed to SEP in the Russian Federation. We apply a random effect Generalized Least Squares model on the datasets of the Russian Longitudinal Monitoring Survey (RLMS: 1994–2013). Our measure of health inequality is concentration index (CI), which we decompose into the determinants of health inequalities. Further, a balanced sample of 1,496 individuals extracted from the 1994 wave of RLMS is followed over 19-year period. The degree of aversion to inequalities in perceived health between the worseoff and the better-off is measured with achievement index. Being employed matters in perceiving a better health. Although the perceived health differences between the better-off and the worse-off are reduced, health inequality index indicates a change for better health for the better-off Russians.