bluuebunny/crossref_metadata_2025 huggingface dataset:
Investigation of the character and significance of the impact of labor market factors on the country's investment attractiveness
Authors:   Sumy State University, Koibichuk Vitaliia , Bezbakh Tetiana ,   «Rabota Lab»
Published: December 2020

In recent years, there has been a significant structural impact of the so-called "digital" economy on the formation of FDI flows. The development of advanced technologies and robotics is accelerating. All this makes production more sophisticated, cheaper, and faster. The progressive labor market is a good basis for the successful development of enterprises in various industries. And investments make it possible for industries to be created, to develop, and to innovate. In addition, foreign direct investment is an important method of technology transfer that stimulates domestic public investment flows and fosters the development of human capital and institutions. The purpose of the article is to develop an economic and mathematical model of the dependence of a country's investment attractiveness on labor market factors. The influence of labor market factors on the investment attractiveness of Ukraine is analyzed and thoroughly substantiated, as well as the state of Ukraine's modern labor market, whose characteristic features, possible tendencies, and prospects are determined. The factors of the labor market include value-added per worker, medium and high-tech exports as a percentage of total exports, the unemployment rate, and the gross enrollment rate for higher education. Investment attractiveness is determined by the volume of foreign direct investment. When developing the model, the authors substantiate the comparability of the input data, their statistical significance, and the correlation of factor variables with foreign direct investment income. The Irwin method was used to check for anomalies of values, and recommendations were made for eliminating such data if they were found. The normality of distribution was verified using the Shapiro-Wilk test. The construction of a multivariate linear regression model was performed using the Stata 14 statistical package.
Plasma exosomes impact on paracrine secretion of peripheral blood mononuclear cells in patients with chronic heart failure
Authors:   Bogomolets National Medical University, Kyiv, Ukraine, Natrus L.V. , Muzychenko P.F. ,   Bogomolets National Medical University, Kyiv, Ukraine, Labudzynskyi D.O. ,   Palladin Institute of Biochemistry of National Academy of Science of Ukraine, Kyiv, Ukraine, Chernovol P.A. ,   Bogomolets National Medical University, Kyiv, Ukraine, Klys Y.G. ,   Bogomolets National Medical University, Kyiv, Ukraine
Published: December 2020

The study of the exosomal effect on the paracrine secretion of peripheral blood mononuclear cells of patients with chronic heart failure (CHF) in vitro demonstrated gender-associated changes in the synthesis and secretion of the key factors of endothelial inflammation by leukocytes.Under the exosomesinfluence, the synthesis and accumulation of the cytokine monocyte chemoattractant protein-1 (MCP-1) in the leukocytes of healthy donorsincreased by 26%; while in women by 18%, in men by 38% was observed. Incubation of patients’cells with suspension of exosomes increased intracellular synthesis of MCP-1 in women by 16%, in men by 19%.Interestingly, in activated cells of control women group the synthesis of MCP-1 under the exosomes influence was 2.7 times higher than in the group of female patients and in leukocytes of male donors 4 times higher than in the CHFmale group. Thus, under the exosomes influence the synthesis of the cytokine MCP-1 in cells increaseswhereasits paracrine secretion decreases, which may be considered as one of the potential physiological mechanisms of “restraining” the progress of inflammation. Our findings suggest that the level of cytokinetumor necrosis factor-alpha (TNFα) synthesis in activated leukocytes of CHF and control groups was almost the same, while in CHF group the TNFα level increases only in the culture medium. Incubation with exosomes did not cause significant changes in cytokine production, but in the CHF group there was a tendency to decrease the “medium/cell” index by more than 1.3 times. Subsequent future studies of the exosomal corrective effects would enable to establish algorithms for potential therapeutic solutions on initiative mechanisms of endothelial inflammation and development of acute and chronic ischemia. Our primary experimental work demonstrates the need for further study of the exosome’s influence on peripheral blood leukocyte function both in vitro and in vivo experimental models.
Effect of avandamet on conditioned food reflex in rats of different age groups
Authors:   O.O. Bogomoletz Institute of Physiology, NAS Ukraine, Kyiv, Ukraine, Gorbachenko V.A. , Kruchenko Zh.O. ,   O.O. Bogomoletz Institute of Physiology, NAS Ukraine, Kyiv, Ukraine, Lukyanetz E.A. ,   O.O. Bogomoletz Institute of Physiology, NAS Ukraine, Kyiv, Ukraine
Published: December 2020

The prevalence of Alzheimer’s disease (AD) is increasing in the absence of truly effective treatments. The recently discovered causal link between AD and type 2 diabetes mellitus (T2DM) (non-insulin-dependent diabetes mellitus) suggests that an increase in insulin receptor resistance may affect brain aging and lead to AD. In our experiments, we tested Avandamet (AVD), the antidiabetic drug used for the treatment of T2DM, on temporary parameters of conditioning food reflex in rats. We measured the individual components of the sensorimotor reaction (SMR) of rats, which reflect CNS’s functional state. Important tha7t rosiglitazone is the main component of AVD. It acts by activating the nuclear peroxisome proliferator-activated receptor (PPAR) gamma. Our data showed that this drug influences the brain function of both young and old rats. It is proved that AVD affects the CNS of rats by increasing their excitability. Considering the obtained data from the point of view of AD, the time parameter, which changed more significantly in old rats, was responsible for analyzing the situation and speed of action. Under AVD’s influence, old rats became more agile and had increased motor activity, also the success of rats in performing a conditioned reflex was increased. Thus, the drug AVD and its active component rosiglitazone can be perspective for its testing in AD treatment.
TELOMERES LENGTH IN PATIENTS WITH TYPE 2 DIABETES MELLITUS AND ITS RELATION TO METABOLIC PROFILE
Authors:   P.L. Shupyk National Medical Academy of Postgraduate Education, Kyiv, Ukraine, Kharchenko N.V. , Romanenko M.S. ,   D.F. Chebotarev State Institute of Gerontology NAMS of Ukraine, Kyiv, Ukraine, Sineok L.L. ,   D.F. Chebotarev State Institute of Gerontology NAMS of Ukraine, Kyiv, Ukraine, Krasnienkov D.S. ,   D.F. Chebotarev State Institute of Gerontology NAMS of Ukraine, Kyiv, Ukraine, Zabuga O.G. ,   D.F. Chebotarev State Institute of Gerontology NAMS of Ukraine, Kyiv, Ukraine, Piven L.V. ,   D.F. Chebotarev State Institute of Gerontology NAMS of Ukraine, Kyiv, Ukraine, Naumchuk N.S. ,   D.F. Chebotarev State Institute of Gerontology NAMS of Ukraine, Kyiv, Ukraine, Sokolova G.G. ,   Specialized clinical sanatorium «Peremoga», Kyiv, Ukraine
Published: December 2020

To study leukocyte telomere length and its relationship with metabolic profile 35 patients with metabolic syndrome and type 2 diabetes mellitus (T2DM) and 21 healthy people of middle age (35-59 years) were examined. The anthropometric characteristics of obesity, indicators of lipid and glucose metabolism, alanin aminotransferase (ALT) and high sensitive C-reactive protein levels were studied. The relative average telomere length was determined by the method of monochrome multiplex quantitative real time polymerase chain reaction. Patients with T2DM had higher BMI, waist circumference, higher high sensitive C-reactive protein, ALT and glucose levels and a worse lipid profile (p <0.05). At the same time, the median telomere length did not differ between groups. Nevertheless, in the T2DM group the telomere length inversely correlated with body weight (r = –0.35; p < 0.05), BMI (r = –0.36; p < 0.05), waist circumference (r = –0.34; p < 0.05) and ALT level (r = –0,44; p<0,05) in contrast to healthy subjects. No relationship was found between the telomere length and the level of fasting glycemia, as well as the age of the participants of both groups. Thus, in T2DM patients increase in BMI, waist circumference and ALT level were associated with a shorter leukocyte telomere length. Despite the worse metabolic profile, the telomere length in middle-aged T2DM patients did not differ from that in the control group. This indicates that the leukocyte telomere length is influenced not only by the presence of T2DM and the metabolic profile indicators, but, obviously, by other factors as well.
Characteristics of Hospitalized Children With SARS-CoV-2 in the New York City Metropolitan Area
Authors: Verma Sourabh , Lumba Rishi , Dapul Heda M. , Gold-von Simson Gabrielle , Phoon Colin K. , Lighter Jennifer L. , Farkas Jonathan S. , Vinci Alexandra , Noor Asif , Raabe Vanessa N. , Rhee David , Rigaud Mona , Mally Pradeep V. , Randis Tara M. , Dreyer Benard , Ratner Adam J. , Manno Catherine S. , Chopra Arun
Published: December 2020

OBJECTIVES:

To describe the characteristics of hospitalized children with severe acute respiratory syndrome coronavirus 2 in New York City metropolitan area.

PATIENTS AND METHODS:

This was a multicenter, retrospective cohort study at 4 hospitals comprising 82 hospitalized children (0–21 years) who tested positive for severe acute respiratory syndrome coronavirus 2 after symptoms and risk screening between March 1 and May 10, 2020. We subdivided patients on the basis of their admission to acute or critical care units and by age groups. Further subanalyses were performed between patients requiring respiratory support or no respiratory support.

RESULTS:

Twenty-three (28%) patients required critical care. Twenty-nine (35%) patients requiring respiratory support, with 9% needing mechanical ventilation, and 1 required extracorporeal support. All patients survived to discharge. Children with any comorbidity were more likely to require critical care (70% vs 37%, P = .008), with obesity as the most common risk factor for critical care (63% vs 28%, P = .02). Children with asthma were more likely to receive respiratory support (28% vs 8%, P = .02), with no difference in need for critical care (P = .26). Children admitted to critical care had higher rates of renal dysfunction at presentation (43% vs 10%, P = .002).

CONCLUSIONS:

Children with comorbidities (obesity and asthma in particular) were at increased risk for critical care admission and/or need for respiratory support. Children with renal dysfunction at presentation were more likely to require critical care.
Left Renal Vein Stenting in Nutcracker Syndrome: Outcomes and Implications
Authors: Cherfan Patrick , Avgerinos Efthymios D , Chaer Rabih A
Published: December 2020

Nutcracker syndrome refers to the symptomatic extrinsic compression of the left renal vein presenting most commonly as flank pain and haematuria. While surgery remains the first-line treatment, stenting is gaining more acceptance and there are now several published case series. This article highlights the outcomes of left renal vein stenting in the setting of nutcracker syndrome.
The population health model: A timely approach for mission hospitals
Authors: Thomas Richard K. , French Niels
Published: December 2020

Mission hospitals have long provided a source of care, healing, and spiritual support for populations around the world, often serving the disadvantaged and rural residents not served by other facilities. Yet the future of mission hospitals has been thrown into doubt, and options for repurposing these institutions must be explored. The approach of mission hospitals to healthcare delivery has historically differed from those of other health systems (including many faith-based facilities) due to their isolated locations in lower-income countries. The multi-purpose attributes of mission hospitals make them excellent candidates for adopting a population health approach. The population health model, as now being developed in the United States, represents a radical departure from traditional clinical practice and reduces the system’s dependence on clinical care as a means to improving community health. The population health model emphasizes treatment of populations rather than individuals, a holistic approach to the provision of care (addressing social determinants in the process), and the involvement of the community in multi-sector collaboration for collective impact. Mainstream hospitals have had difficulty in implementing a true population health model for a variety of reasons, but mission hospitals appear to represent an effective vehicle for putting this model into practice. A population health approach appears to complement the philosophy of mission hospitals, and mission hospitals appear positioned to advance the population health movement.
Enzyme-based approaches to control microbial biofilms in dairy processing environments: A review
Authors: Gonçalves Samuel , Lee Sarah , Mousavi Khaneghah Amin , Oliveira Carlos
Published: December 2020

In this review, formation of biofilms and the available data on enzyme-based preparations to control microbial biofilms in dairy processing environments are presented. Mature biofilms, especially those formed by pathogenic bacteria, have increased resistance to biocides, hence stressing the importance of stringent hygienic procedures. Proteases, amylases, cellulases and DNAses are among the most recently studied enzymes that could be associated with the main biocides used in the dairy industry to increase the effect of removal of biofilm. However, addi-tional studies should be conducted to select the best cost-benefit combinations of selected enzymes and biocides to remove efficiently biofilms in dairy processing environments.
Evaluating Irrigation Efficiency: Toward a Sustainable Water Future for Montana
Authors: Lonsdale Whitney R. , Cross Wyatt F. , Dalby Charles E. , Meloy Sara E. , Schwend Ann C.
Published: December 2020

Water is our most valuable natural resource, and is used to support the demands of industry, agriculture, hydroelectric power generation, and municipalities. Water also sustains Montana’s booming recreation and tourism economy and maintains the diverse freshwater ecosystems that provide natural goods and services and promote human well-being. As our population continues to grow, and the collective demand for water increases, it is imperative that we carefully assess how our water is used, as well as how changes in water distribution, management, and governance are likely to influence its availability in the future. This is especially important in the context of a changing climate.
Physiological characteristics and vase life responses of rose cut flowers (Rosa hybrida L. cv. ‘Royal Baccara’) to benzyl adenine and 1- metylcylcopropene
Authors: MIRZAKHANI Abbas , FARAZMANDI Mojdeh , SAJEDI Nour A. , NASRI Mohammad , GOMARIYAN Masoud
Published: December 2020

+prolonging vase life and decreasing post-harvest losses are considered a basic strategy towards sustainable development of agriculture, and the application of growth regulators, e.g. benzyl adenine(BA) and 1-metylcylcopropane(1-MCP), is one of the practical methods  for them. The effects of benzyl adenine(BA) and 1-metylcylcopropene(1-MCP) on some biochemical characteristics and vase life of rose cv. ‘Royal Baccara’ (Rosa hybrida L. cv. ‘Royal Baccara’), were explored in a factorial experiment based on a randomized complete block design with three replications in 2017. The factors included BA at three levels of 0 (control), 75 and 150 ppm and 1-MCP in three levels of 0 (control), 1 and 2 µl/L-1. The results showed that the maximum soluble protein content was observed in 150 (ppm) BA+ 2 (µl.L-1) 1-MCP treatments on the second, fourth, sixth, and eighth days. The results of this research revealed that BA at the rates of 75 and 150 ppm and 1-MCP at the rates of 1 and 2 (µl.L-1) enhanced soluble protein content by 10.49, 13.37, 15.18, and 18.18 percent as compared to the control, respectively. The results showed that the maximum proline content was related to the control and the minimum content was observed in the plants treated with 150 (ppm) BA+ 2 (µl.L-1) 1-MCP. The endoproteases enzyme content was slightly decreased on the eighth day, indicating the efficacy of BA and 1-MCP in inhibiting the senescence process and prolonging vase life of rose flowers. The results showed that the application of 1 or 2 μl.L-1 1-MCP and 150 mg L-1 BA can improve the vase life of cut roses
CO2 enrichment and increasing light intensity till a threshold level, enhance growth and water use efficiency of lettuce plants in controlled environment
Authors: ESMAILI Maryam , ALINIAEIFARD Sasan , MASHAL Mahmoud , GHORBANZADEH Parisa , SEIF Mehdi , GAVILAN Miguel U. , CARRILLO Francisca F. , LASTOCHKINA Oksana , LI Tao
Published: December 2020

Carbon dioxide (CO2) and light intensity are the two main environmental drivers known to play important roles in crop growth and yield. In the current study, lettuce seedlings were exposed to four different light intensities [(75, 150, 300 and 600 Photosynthetic Photon Flux Density (PPFD)] and four different concentrations of CO2 (400, 800, 1200 and 1600 ppm). By increasing light intensity and CO2 concentration growth parameters such as fresh weight, dry weight and leaf area were stepwise increased from 75 to 300 PPFD and from 400 ppm to 1200 ppm CO2 concentration. Maximum fresh weight was observed in 300 PPFD under both 1200 ppm and 1600 ppm CO2 concentrations. Highest dry weight was obtained in plants exposed to 300 and 600 PPFD under both 1200 and 1600 ppm CO2 concentrations. Highest leaf area was detected in 300 PPFD under both 1200 and 1600 ppm CO2 concentrations. Widest stomatal pore aperture was detected in 600 PPFD under 400 ppm and 800 ppm CO2 concentrations. Evapotranspiration increased in a light intensity and CO2 concentration-dependent manner; higher light intensity or higher CO2 concentration, more evapotranspiration. Highest water use efficiency (WUE) was achieved in plants exposed to 300 PPFD under 1200 ppm CO2 concentration. In conclusion, to achieve best growth performance and WUE, lettuce should be produced under 300 PPFD light intensity and 1200 ppm CO2.
Antioxidant and antimicrobial responses associated with in vitro salt stress of in vitro and in vivo grown Pistacia khinjuk stocks
Authors: AYAZ TİLKAT Emine , HAŞİMİ Nesrin , KURU İbrahim S. , SÜZERER Veysel
Published: December 2020

P. khinjuk Stocks, known as Bıttım or Buttum in Turkey, is a member of the Anacardiaceae family. The essential oil of khinjuk pistachio has been used to treat various illnesses because of their anti-inflammatory, anticancer, antipyretic, antibacterial, anthelmintic, antiviral effects in various folk medicines. At the same time, fruits of khinjuk pistachio are used as edible wild fruits. In this study, it was aimed to determine and compare the antibacterial, antioxidant activities and total phenolic and flavonoid amounts of different parts (root, stem and leaf explants) of in vivo (grown naturally) and in vitro derived khinjuk pistachio plants under salt (NaCl) stress. Ethanol extracted explants were used for performing biological and chemical parameters. According to the results, generally, in vivo samples shows higher antioxidant and antimicrobial activity besides the higher number of phenolic compounds than their counterparts in vitro. We have also determined that the biological activity of in vitro salt elicited explants was higher than in vitro control explants. Generally, both female and male in vivo samples have higher antioxidants (DPPH, ABTS, CUPRAC) and antimicrobial activities than in vitro samples. The various plant parts (root, stem, leaf) belonging to both in vivo and in vitro samples have different biological activity level. In terms of antimicrobial activity, female plant extracts are more active than all other tested extracts. As a result, although increased salinity values significantly reduced antimicrobial activity, it is determined that 100 mM NaCl applications to in vitro leaf extracts exhibited moderate antimicrobial activity against S. aureus and C. albicans.
Impact of the foliar application of magnesium nanofertilizer on physiological and biochemical parameters and yield in green beans
Authors: SALCIDO-MARTÍNEZ Alondra , SÁNCHEZ Esteban , LICÓN-TRILLO Lorena P. , PÉREZ-ÁLVAREZ Sandra , PALACIO-MÁRQUEZ Alejandro , AMAYA-OLIVAS Nubia I. , PRECIADO-RANGEL Pablo
Published: December 2020

One of the most significant challenges humanity will face is food production. In order to preserve the output, mineral fertilizers are essential. However, it's not a suitable option in the long term. Magnesium is a crucial macronutrient, but it is the most limiting element in agriculture. Nanotechnology, with the implementation of nanofertilizers, is an excellent alternative since it provides nutrients, supports growth, and improves production; this in low amounts is more sustainable than conventional fertilizers. Although there is a piece of limited information regarding the proper foliar application of this macronutrient, the study helped to validate the effect of the foliar application of Magnesium nano fertilizer on the physiological, biochemical responses and yield of bean plants. Bean plants ejotero cv. ‘Strike’ and magnesium nanoparticles were applied at doses of 0, 50, 100, and 200 ppm. The biomass accumulation, yield, activity of the enzyme nitrate reductase, and photosynthetic pigments were evaluated. The foliar application of Mg nanoparticles at 50 ppm generated the highest amount of biomass and photosynthetic pigments. The 100 ppm dose improved pods yield and allowed the increased activity of the Nitrate Reductase enzyme. The results obtained suggest that, when increasing the dose of magnesium in plants, the amount of carotenes decreases.
Antioxidant, anti-cancer and ameliorative activities of Spirulina platensis and pomegranate juice against hepatic damage induced by CCl4
Authors: EL-BELTAGI Hossam S. , DHAWI Faten , ASHOUSH Ihab S. , RAMADAN Khaled
Published: December 2020

Due to the excessive impact of synthetic drugs, unravelling and employing safe, natural alternatives are now needed to resolve a number of diseases. In this research, we have evaluated hepatoprotective and antioxidant activities of Spirulina platensis and pomegranate juice in rats against hepatotoxicity induced by carbon tetrachloride (CCl4). Spirulina crude carotenoid extract was screened by UPLC-MS / MS. Activities of liver marker enzymes; measured aspartate aminotransferase (AST) and alanine aminotransferase (ALT), and determined lipid peroxidation and antioxidant status as reduced glutathione (GSH) in liver homogenate. The infusion of CCl4 (2 ml/kg b.wt) greatly increases levels of liver marker enzymes and lipid peroxidation, resulting in depletion of antioxidants. Treatment of Spirulina platensis (Sp), pomegranate juice (Pj)or mixture (PJSP) of Spirulina water extract 10% and pomegranate juice 90% (1 ml/100 g b.wt) to CCl4-disrupted rats resulted in decreased activity of liver marker enzymes, lipid peroxidation with increased antioxidant status. Chromatographic separation showed that ß-carotene is the predominant carotenoid extract. This carotenoid extract was tested for colon carcinoma (HCT-116), liver carcinoma (HepG2) and intestinal carcinoma cell lines (CACO) LC50 for 21.8, 14 and 11.3 ug / ml, respectively. Total phenolic phytochemicals, total carotenoids and total flavonoids were also measured in Spirulina. Our study clearly demonstrates that Spirulina platensis and pomegranate juice had hepatoprotective effect on CCl4-caused hepatotoxicity in rats through its antioxidant activity.
Structure and histochemistry of sorghum caryopsis in relation to grain-filling
Authors: RAVI SHANKAR S. , DAYANANDAN P.
Published: December 2020

Anatomical and histochemical studies of ovary and caryopsis of sorghum reveal the importance of the chalazal complex in transporting nutrients from maternal sources to the filial diploid embryo and triploid endosperm. The presence of starch, protein, lipid, Ca, K, Mg, and Fe in various tissues at different stages of development can be revealed by a variety of histochemical techniques. Vascular supply ends at the base of the ovary and transport occurs through vascular parenchyma, pigment strand and nucellar projection where symplastic continuity is broken. Nutrients unloaded into an apoplastic placental sac then enter the endosperm and embryo through the aleurone transfer cells. The later possess characteristic wall ingrowth. The single layer of aleurone surrounding the endosperm may also help in transport during later stages of grain-filling. Grain-filling in C4 sorghum is compared with other C4 and C3 grasses showing the variety of strategies evolved to transport nutrients into filial tissues. Standardization of terminologies to describe the tissues of the crease region will help in further research and communication.
New varieties of tomato - morphological aspects and molecular characterisation with RAPD and SSR markers
Authors: BĂDULESCU Adriana , POPESCU Carmen F. , DUMITRU Anamaria M. , SUMEDREA Dorin I.
Published: December 2020

This study presents the main morphological features and the first molecular investigations of four new tomato varieties (Solanum lycopersicum), aiming to obtain their complete characterisation. Evaluation with the standard descriptors for tomato revealed specific and distinct traits for each analysed variety. The molecular analyses for variety identification started with testing three methods for DNA extraction. With an optimized method, which doesn’t need liquid nitrogen for plant tissue disruption, good quality DNA was obtained, in adequate quantities, and well preserved when stored at -20 °C. To highlight the genetic differences among the analysed tomato varieties, nine RAPD primers and ten SSR primers were tested. Of these, the optimal amplification protocols for five RAPD primers and five SSR primers were established. The amplified products obtained with RAPD primers revealed an average number of bands per primer of 8.8 and a total rate of polymorphism of 59.1%; with OPB10 primer was seen the highest number of DNA bands (11), and with OPA07 primer was registered the highest degree of genetic variability among the studied varieties (77.7%). Two SSR markers (SSR 20 and SSR T107) amplified monomorphic banding patterns corresponding to 170 base pairs and 250 base pairs, respectively, for all varieties; with SSR T7, SSR T62, and SSR T70 primers were generated multiple amplification bands, with a different distribution of the bands into the agarose gel for each analysed tomato variety.
Mathematical prediction of the Jatropha curcas L. plant yield: comparing Multiple Linear Regression and Artificial Neural Network Multilayer Perceptron models
Authors: Gbemavo Charlemagne Judes Dossou Sèblodo
Published: December 2020

The aim of this study was to predict the Jatropha~curcas plant yield through an Artificial Neural Network (ANN) Multi-Layer Perceptron (MLP) model.
The predictive ability of the developed model was tested against the Multiple Linear Regression (MLR) using performance indexes. According to the performance indexes the use
of ANN-MLP model improved J.~curcas plant yield prediction comparatively to MLR model
Corruption mechanisms in models of social and private interests combining engine in the case of one agent. Optimization approach
Authors: Горбанева Ольга Ивановна , Gorbaneva Olga
Published: December 2020

The paper is devoted to the investigation of corruption in models of social and private interests combining (SPICE-models) in the case of one agent. The specific attention in the article is given to the optimization approach investigation. In the structure of model between the higher level (principal) and the lower levels (agents) element "supervisor" is included. Supervisor acts in interests of principal, but he can weaken principal's demands for agent in exchange of a bribe. Administrative and economic corruption mechanisms are introduced and investigated. Optimization approach is applied.
Recensão do livro Images of immigrants and refugees in Western Europe. Media representations, public opinion, and refugees experiences
Authors: Ribeiro Fábio
Published: December 2020

Uma criança, com roupa amarrotada e suja, observa um muro imponente de grades e de arame farpado. Não consegue ultrapassar aquele obstáculo e, por isso, parece resignada. Mesmo sem qualquer legenda, imediatamente nos ocorre que aquela fotografia terá sido captada num qualquer campo de refugiados ou numa zona fronteiriça vedada à circulação de pessoas. E assim se dá o mote à capa do livro Images of immigrants and refugees in Western Europe. Media representations, public opinion, and refugees’ experiences (2019), de Leen d’Haenens, Willem Joris e François Heinderyckx, que reúne o trabalho de investigadores sobre as implicações dos movimentos migratórios do ponto de vista comunicacional, mediático e sociológico, no contexto europeu...
An Algorithm for Increasing Tissue Contrast in Visualization of the Structure of Complex Scattering Media by Optical Coherent Tomography
Authors:   Tambov State Technical University, Tambov, Russia, Frolov S. V. , Potlov A. Yu. ,   Tambov State Technical University, Tambov, Russia, Frolova T. A. ,   Tambov State Technical University, Tambov, Russia, Proskurin S. G. ,   Tambov State Technical University, Tambov, Russia
Published: December 2020

A phantom of a human blood vessel is used to study the quality of structural images in endoscopic OCT. Small-angle raster scanning, averaging and multilevel filtering are used. Compression of the structural image with raster averaging increases the contrast of the structural image by reducing the level of speckle noise. File compression is part of the imaging process and is performed for each pixel. The graphical dependence of the upper lines of the A-scans of the structural image of the blood vessel phantom wall is presented. The proposed algorithm allows obtaining high-quality structural images for gastroenterology, urology, gynecology, and in vivo cardiovascular diagnostics using conventional and endoscopic OCT; characterized by high processing speed of initial data and optimal file size; reduces the requirements for the detector bandwidth of the endoscopic OCT system. For calculations, an HP Z640 Workstation with two six-core E5-2620v3c processors and a 4GB NVIDIA Quadro K4200 video card was used.
A Study of Noise Characteristics on Images in Computer Microscopy Systems
Authors:   National Research Nuclear University “MEPhI”, Moscow, Russia, Polyakov E. V.
Published: December 2020

The characteristics of noise on images in computer microscopy systems are investigated, which is important when solving problems of automated analysis of low-contrast objects. The parameters of noise in a computer microscopy system were determined using a Watec 231 camera and an Olympus CX31 motorized microscope. Recommendations for suppressing the detected noise are given.
Features of Operation of Linear Automation Systems with Different Structures of Temporal Relationships
Authors:   Novosibirsk State Technical University, Novosibirsk, Russia, Algazin E. I.
Published: December 2020

An analytical description of the behavior of the investigated parameter (voltage across the capacitor) for various structures of temporal relationships is obtained. On its basis, the modeling of the functioning of the linear automation system was carried out.
Voltamper and Permeable Characteristics of Electrobaro-Membrane Purification of Galvanic Wastes from Mg2+, Fe2+, Ions
Authors:   Tambov State Technical University, Tambov, Russia, Lazarev S. I. , Levin A. A. ,   Tambov State Technical University, Tambov, Russia, Kovalev S. V. ,   Tambov State Technical University, Tambov, Russia, Mikhailin M. I. ,   Tambov State Technical University, Tambov, Russia, Ryzhkin V. Yu. ,   Tambov State Technical University, Tambov, Russia, Khromova T. A. ,   Tambov State Technical University, Tambov, Russia
Published: December 2020

The analysis of literature data on current-voltage characteristics (CVCs) and permeability of electromembrane systems in the processing of technological solutions of various industries is given. It is noted that electromembrane systems containing porous semi-permeable polymer membranes are insufficiently studied. The results of experimental studies on the CVCs of a membrane system equipped with an anode UAM-100, MGA-95 and near-cathode UAM-100, MGA-95 membranes during the separation of a model solution containing Mg2+, Fe2+, ions are presented. It is shown that in the study of membrane systems equipped with porous membranes, under the action of voltage and transmembrane pressure, as a result of the treatment of the model solution, two characteristic periods are noted on the CVCs (out-of-limit mode, intense electroosmotic transfer).
Öğretmen adaylarının geometrik modelleme tasarımı sürecinden yansımalar: Tabanın mı yoksa yüksekliğin mi yarısı?
Authors: GÖKTEPE YILDIZ Sevda
Published: December 2020

Araştırma kapsamında bir devlet üniversitesinde geometri öğretimi dersinde üç haftalık sürede üç farklı geometrik modelleme problemi etkinliği gerçekleştirilmiştir. Bu kapsamlı çalışmanın parçası olarak araştırmada ilköğretim matematik öğretmen adaylarının “Tabanın mı yoksa yüksekliğin mi yarısı?” geometri probleminin çözüm sürecindeki modelleme yeterlilikleri incelenmiştir. Araştırmanın katılımcıları amaçlı örnekleme yöntemine göre seçilmiş olup otuz yedi ilköğretim matematik öğretmenliği dördüncü sınıf öğrencisidir. Çalışmanın verileri çalışma yaprakları ve öğretmen adaylarının hazırladıkları somut geometrik modeller aracılığıyla toplanmıştır. Katılımcılara üçgenin alan formülünün ispatını içeren bir geometri problemi durumu verilmiş ve öğretmen adaylarından matematiksel çözümü yapmaları ardından geometrik somut modeller şeklinde tasarlayarak sunmaları istenmiştir. Veriler öğretmen adaylarının matematiksel anlama, geometrik şekilleri dönüştürme süreçleri ve tasarladıkları geometrik model açısından geliştirilen rubrik aracılığıyla analiz edilmiştir. Bulgular, öğretmen adaylarının çoğunun geometrik modelleme problemini doğru bir şekilde çözdüklerini ve işlevsel modeller oluşturduklarını göstermiştir. Ayrıca öğretmen adayları somut geometrik matematiksel modelleri oluştururken önceki matematiksel bilgilerini göz önünde bulundurmuşlar ve uzamsal yeteneklerini işe koşmuşlardır.
Development of Extraction Method of Polycyclic Aromatic Hydrocarbons from Sunflower Oil
Authors: Tereshchenko Nataliya , Khyzhan Olena , Kovshun Lidia , Maksin Viktor , Bobunov Alexander
Published: December 2020

Polycyclic aromatic hydrocarbons (PAHs) adsorption extraction process from sunflower oil on activated carbon was studied. Specific adsorption values on activated charcoal-xenobiotic system for compounds of benzo(a)anthracene, benzo(a)pyrene, benzo(e)pyrene, chrysene, benzo(b)fluoranthene and their mixtures were investigated. Influence of phase contact time of system, ratio of components on degree of PAHs extraction under isothermal conditions (25 ± 0.01ºC) was studied. Degree of oil purification was controlled by method of high performance liquid chromatography with fluorescence detector (HPLC/FLD). Leaning on patterns found, optimal conditions for purification of raw sunflower oil from PAHs using activated charcoal and obtaining the matrix of sunflower oil proposed.
Middle income trap and factors affecting the risk of growth slowdown in upper middle income countries
Authors: Ursavaş Uğur , Sarıbaş Hakan
Published: December 2020

In this paper, we investigate the macroeconomic, demographic and institutional factors affecting the probability of growth slowdown in upper-middle-income countries within the framework of the growth slowdown methodology developed by Eichengreen et al. (2011). To do so, we use probit regression, and the dataset covers the period 1980-2015. The results show that growth slowdown occurs when per capita income reaches 22 percent of that in the United States. Besides, an increase in the relative income, gross capital formation, trade openness, years of total schooling, old dependency ratio and law and order index increases the risk of growth slowdown, whereas an increase in public debt, inflation variability and years of secondary and higher schooling decreases the risk of growth slowdown.
A closer look at entrepreneurial intentions
Authors: Mikić Mihaela , Horvatinović Tin , Turčić Ivan
Published: December 2020

This paper tests the initial Shapero-Sokol model of an entrepreneurial event, as well as expands it through the use of quadratic and moderating effects. Structural equation modelling is applied to a sample of undergraduate students in Croatia that completed a questionnaire in 2019. Findings show that perceived desirability and perceived feasibility have a positive impact on entrepreneurial intentions, whereas the propensity to act has a negative effect. A closer look reveals that there are other significant effects in the model as well. Quadratic effect is positive for perceived desirability and perceived feasibility, while negative for propensity to act. Lastly, perceived feasibility positively moderates the relations for both perceived desirability and propensity to act on entrepreneurial intentions.
OBSTETRIC GYNECOLOGICAL SOCIETY IN S.-PETERSBURG
Authors: Ott D. O.
Published: December 2020

24 members were present: Antipov, P.A., Baikov, Beckman, Nasten, Viridarsky, Dolinsky, Zamshin, Zematsky, Kakushkin, Kannegiser, Lichkus, Mazurkevich, Massen, Misevich, Olenin, Piotrovich, Poroshin, Rachinsky, Serezhnikov, Stravinsky, Stroginov , Ulezko-Stroganova, Frank, Shverdlov and 25 guests.
Medicine
Authors: Rosenthal Yakov
Published: December 2020

Jasinski K. (Lodz). A Case of Tubal Pregnancy, p. 73.
Diary of the Warsaw Medical Society
Authors: Rosenthal Yakov
Published: December 2020

T. Faytt (Warsaw). On the topographic relationship of the ureters to the bladder and uterus, pp. 3-434 with 5 tables. Competitive prize.
Medical News
Authors: Rosenthal Yakov
Published: December 2020

Pomorski (Poznan). To the question of facilitating decapitation with neglected transverse positions, No. 7, p. 364.
Yearbook of the Krakow Gynecological Society
Authors: Rosenthal Yakov
Published: December 2020

Книжка 7-я заключаетъ сообщенія сдѣланныя въ TowarzystwѢ въ 1896 г., большею частью уже напечатанныя въ періодическихъ изданіяхъ, (какъ напр. Rosnera и Marsa) С№ 17 и 18 настоящаго обзора), MarsaКъ вопросу объ этіологіи болѣзненнаго зуда (обзоръ за 1896 годъ) и т. п.,_ а также представленіе больныхъ и демонстраціи анатомическихъ и микроскопическихъ препаратовъ), а именно.
A few more words on the issue of streamlining the obstetric care in Russia
Authors: Artemiev Al.
Published: December 2020

Without a little three years ago, in one of the meetings of the IMPERIAL Caucasian Medical Society, in the form of a collegial discussion of various events tending to streamline obstetric care, I submitted my report on the development of the babichyago case in Russia
Hunting for Quaternary Faults in Eastern Canada: A Critical Appraisal of Two Potential Candidates
Authors: Pinet Nicolas , Lamontagne Maurice , Duchesne Mathieu J. , Brake Virginia I.
Published: December 2020

This study documents two potential neotectonic features in the seismically active St. Lawrence estuary and western part of the Gulf of St. Lawrence of Quebec, Canada. Historically, the region is the locus of series of damaging earthquakes, including the 1663 M 7 earthquake, which suggests the occurrence of coseismic surface ruptures beneath the St. Lawrence River. In the western Gulf of St. Lawrence (Lower St. Lawrence seismic zone), a potential fault scarp identified on a vintage seismic profile has been investigated through high-resolution seismic and multibeam bathymetry data. On the seafloor, the scarp corresponds to an ∼1.8  m high (maximum) feature that is located above a buried escarpment of the Paleozoic bedrock. Holocene units are draping over the escarpment on one profile, but are possibly cut on two others. The scarp meets several of the criteria generally associated with neotectonic features. However, a close look at the data indicates that the staircase geometry of the top of the bedrock and its expression at the surface is linked, at least partially, with the presence of an erosion-resistant unit. This makes a neotectonic reactivation possible but not proven. In the Tadoussac area, ∼40  km north of the Charlevoix seismic zone, the offshore extension of the St. Laurent fault corresponds to an ∼110  m high bathymetric escarpment with well-preserved triangular facets. Such “fresh” morphology is unique in the St. Lawrence River Estuary and may attest to Quaternary displacements, yet other interpretations may also explain the unusual preservation of the escarpment. These two case studies illustrate the difficulty to unambiguously document Holocene fault scarps, even in the marine domain in which the sedimentary succession is generally continuous.
Fıkıh Usulu Geleneğinde Münazara (Ebu'l-Velid el-Baci'nin el-Minhaç Fi Tertibi'l-Hicac Eseri Bağlamında)
Authors: BUĞDA Sadrettin
Published: December 2020

Öz: İtikâdî ve fıkhî mezheplerin teşekkülü ile birlikte Müslüman âlimler, bazen kendi aralarında bazen de diğer din mensupları ile ilmî tartışmalara girmişlerdir. Buna bağlı olarak âlimler arasında sıklıkla meydana gelen ilmî tartışmaların daha sağlam temeller üzerinde cereyan edebilmesi için erken dönemde münâzaranın adâbının ve ilkelerinin belirlenmesine ihtiyaç duyulmuştur. İhtiyaca binaen Müslüman âlimler, “Adâbu’l-Bahs ve’l-Münâzara” adıyla yeni bir disiplin oluşturmuşlardır. Söz konusu disiplin hususunda müstakil eserler ele alınırken bazen bu disipline dair ilkeler, fıkıh gibi farklı disiplinlerde dağınık şekilde işlenmiş bazen de disiplinlerin girişi mahiyetinde ele alınmıştır. Münâzarayı ele alan âlimlerden biri de Ebü'l-Velîd el-Bâcî'dir (ö. 474/1081).
Bu çalışma, Bâcî’nin el-Minhâc fi Tertîbi'l-Hicâc adlı eseri bağlamında münâzara sistematiğinden istifadeyle usûlî problemlerin nasıl çözüme kavuşturulduğunu ortaya koyup eleştiri kültürüne katkıda bulunmayı amaç edinmektedir. Araştırmada Bâcî’nin el-Minhâc fi Tertîbi'l-Hicâc adlı eserinden hareketle öncelikle münâzaranın usûl disiplinindeki konumu, münâzaranın ilke ve âdâbı ve son olarak usûlî düşüncede münâzara sistematiği örneklerle incelenecektir.
Determinants of the Use of Research Methods and Techniques and Their Impact on the Effectiveness of Enterprises
Authors: Golik-Górecka Grażyna , Skonieczka Rafał
Published: December 2020

Purpose of the article: The purpose of this article is to clarify the problem of key determinants which fundamentally influence the use of research methods and techniques by enterprises.

Research methods: The authors attempt to understand the determinants and conditions based on the analysis of the literature on the subject.

Main findings: The article concludes with an analysis of the sets of the main determinants related to the use of research methods and techniques in business and their impact on the effectiveness of the organization.
Dobrostan i satysfakcja z jakości życia zawodowego młodych kobiet. Wyniki badań
Authors: Matwiej Gabriela
Published: December 2020

Uzasadnienie teoretyczne: W ostatnich latach w literaturze podkreśla się rolę dobrostanu pracowników i równowagi praca–życie, które są istotne dla satysfakcji z życia zawodowego zatrudnionych.

Cel artykułu: Zaprezentowanie poziomu dobrostanu i satysfakcji z życia zawodowego młodych kobiet w wieku od 25 do 35 lat, mieszkających w województwie lubelskim.

Metody badawcze: Kwestionariusz ankiety Easton i Van Laar. Badaniem objęto 155 kobiet w wieku od 25 do 35 lat, mieszkających w województwie lubelskim.

Główne wnioski: Efekty badań wskazują na średni poziom satysfakcji z życia zawodowego. Stwierdzono związek satysfakcji z życia zawodowego z posiadaniem dzieci oraz zajmowanym stanowiskiem. W przyszłości, wykonując badania, warto wziąć pod uwagę charakter wykonywanego przez kobiety zawodu, a nie tylko wiek czy posiadanie dzieci.
Differentiation of Companies’ Environmental Initiatives in the Light of the Research Results
Authors: Fura Barbara , Bonga Flavia Alex
Published: December 2020

Theoretical background: The deteriorating condition of the natural environment, as a result of human activity, is one of the global problems that contemporary business entities must face. Companies in their attempts to comply with principles of environmental protection undertake activities aimed at better utilization of resources, production materials or improved efficiency. Such endeavours include the elimination of pollution, recycling of materials, reduction of waste generated, reduction of fuels and energy consumption, and limiting water usage. This contributes to improving corporate economic performance, thus, making production more efficient, more economical and safer.

Purpose of the article: The purpose of this article is to identify the company’s behavior with regard to environmental protection issues. The study tests the research hypothesis that the companies’ characteristics (i.e. company size, type of activity – production/non production, the scale of activity – local and regional, national, international) are factors that significantly differentiate the involvement of companies in activities for the environmental protection.

Research methods: The empirical analysis is based on primary data from 68 companies. It was carried out using the Mann–Whitney U test, chi-square independence test, and the correspondence analysis. The strength of the examined relationships was expressed by the V-Cramer coefficient.

Main findings: The research showed that the level of implementation of environmental initiatives depended on both the type of business activity and the size of the company. In the opinion of the surveyed entities, the implementation of pro-environmental activities aims at improving the company’s image and, to a lesser extent, at obtaining specific economic benefits. Large companies were often involved in the implementation of pro-environmental activities more than small and medium-sized entities. Production entities were more involved in it, compared to non-production companies.
Efficacy of Differentiated Instruction and Conventional Methods on Low Achievers’ Interest in Learning and Gender
Authors: Ojonugwa Dominic Solomon , Igbo Janet Ngozi , Apeh Hosea Abalaka , Ndukwu Eric Chima
Published: December 2020

The need to seek for innovative teaching methods to enhance the interest of mathematics low achievers necessitated this study. This study examined the effect of differentiated instruction on low achievers’ interest in mathematics based on gender. The sample size for the study consists of 66 males and 80 females identified mathematics low achievers. The researchers used multi-stage sampling technique. Mathematics Interest Rating Scale was the instrument used in collecting data. The pre-test and post-test data were analyzed using mean, standard deviations and Analysis of Covariance.  Results revealed that the use of differentiated instruction in teaching mathematics low achievers in primary school increased their interest in mathematics than conventional method. Influence of gender on interest of mathematics low achievers is significant. The interaction effect of instructional strategies and gender on mathematics interest of low achievers is not significant. The study provided empirical evidence that differentiated instruction acted as valuable tool for enhancing interest and achievement in mathematics therefore, researchers may benefit from the outcome of this article for further research. The data could serve as reference point for empirical study. Curriculum designers and text books authors may include information on the method in children’s’ text book.
Do we need another journal?
Authors: Masko Meganne , Moore Carolyn , Driscoll Virginia , Thomas Natasha
Published: December 2020

Why do we need another music therapy journal? The editors of DMTE discusses its purposes.