bluuebunny/crossref_metadata_2025 huggingface dataset:
The impact of corporate social responsibility on the cost of equity: an analysis of Vietnamese listed companies
Authors: Quynh Le Xuan , Tien Nguyen Ngoc , Ha Van Le Thy
Published: August 2019

A number of studies in environmental disclosure have suggested that corporates accountable for environmental responsibility practice have lower cost of capital. However, this relationship has not yet been discovered in Vietnam. The purpose of this study is to examine the relationship between environmental disclosure and the equity cost of 115 non-financial companies listed on Vietnamese stock market from 2014 to 2017 with 460 observations. This study uses the panel data regression model (the fixed effects model (FEM) and the random effects model (REM)) to assess the impact of environmental disclosure on the equity cost of listed companies in Vietnam. Content analysis method according to GRI guidelines is used to measure the level of the environmental responsibility practice and Easton’s model (2004) is used to estimate firms’ ex ante cost of equity. The research results show that the level of environmental information disclosure of listed companies in Vietnam is not high and there is a negative relationship with statistical significance between the environmental disclosure and cost of equity of listed companies in Vietnam. The findings suggest that environmental practice can be profitable and beneficial to Vietnamese listed companies. Therefore, companies in Vietnam need to change their awareness of social and environmental responsibility practices. This study also shows that the suitable model for listed companies in Vietnam is the FEM.
The Impact of Delivery Type on Ventricular Performances of Healthy Neonates
Authors: Cilsal Erman
Published: August 2019

Objective: The present study aims to evaluate how the mode of delivery affects the alterations in myocar­dial functions of healthy newborns within the first month of life. study desıgn: This is a prospective review of 60 healthy term newborns whose cardiac functions were examined by M-mode and tissue Doppler echocardiography on the first day of their lives and subsequently at one month of age. Results: At the first visit, the tricuspid annular plane systolic excursion was significantly higher in vaginally delivered newborns. Mitral and tricuspid E velocities and E/E’ ratio of the right ventricle and isovolumic relaxation time of right ventricle were also significantly higher in newborns delivered by cesarean section. Both of the groups had statistically similar M-mode and tissue Doppler echocardiography measurements at the time of the second visit. Only the increase in the tricuspid A velocity and myocardial performance index measured from septum between the first and second visits were significantly higher in the cesarean delivery group. When compared with the first visit, both isovolumic contraction time and isovolumic relaxation time were lower between the groups but myocardial performance index values were increased without significance at the second visit.Conclusion: Diastolic indices were significantly elevated in newborns delivered by cesarean section than neonates delivered by vaginal route. After one-month-long follow up, an increase was observed in diastolic ventricle functions of the vaginally delivered newborns but this increase was statistically insignificant. Cesarean delivery might be associated with the impairment in ventricular functions and, thus, a delay in the improvement and maturation of cardiac functions.
Sisal fiber as an alternative to the construction of flexible fiber filters applied to water treatment
Authors: Morita Alice K. M. , Reali Marco A. P.
Published: August 2019

The recently developed flexible fiber filters (3Fs) are modular filtration units, which can satisfactorily remove solids at high filtration rates. Normally built with polyamide fibers, it is supposed that natural fibers can be used alternatively. This paper evaluated the performance of 3Fs using as filtering media sisal fibers in lieu of the polyamide ones. The sisal fibers were evaluated by means of scanning electronic microscopy and through solubility assays in hydrochloric acid and sodium hydroxide. Six filters with 28 mm of internal diameter were built, varying their length (25, 60, and 100 cm) and porosity (85 and 93%). The filtration system was fed with synthetic water, in-line coagulation was applied by the addition of 22.5 mg/L of aluminum sulfate, and filtration rates from 20 to 80 m/h were evaluated. Only the filter with 100 cm of length and 85% of porosity could work within the limit established (1 NTU), operating at 20 and 40 m/h. For all the studied configurations, the pressure drop was considerably low (less than 0.5 mH2O) when compared with 3Fs built with polyamide, which shows the potential of using this kind of filter as pre-filtration units or for less restrictive uses. This study showed that 3Fs can be adapted to include different configurations and materials, reducing their cost and making them appropriate for low-income countries.
Impact of meteorological drought on agriculture in the Tensift watershed of Morocco
Authors: Meliho Modeste , Khattabi Abdellatif , Jobbins Guy , Sghir Fathallah
Published: August 2019

Located in the mid-west of Morocco, the Tensift watershed shelters the Takerkoust dam, which provides a part of the water used for irrigation of the N'fis agricultural area, which is an important irrigated area of the Tensift watershed. This study deals with the impact of droughts on water inflows to the Takerkoust dam and how the water shortage caused by droughts affects agricultural production in the N'Fis area. The standardized precipitation index (SPI) was used to illustrate the temporal evolution of drought periods. The trend observed on data showed that the Tensift watershed experienced a succession of droughts and humid periods of varying intensities. Periods of drought have negatively affected water inflows to the Takerkoust dam, and therefore the amount of water allocated to agricultural irrigation. Years that experienced droughts showed a restriction of more than 50% of water volume planned for irrigation. During periods of water scarcity, farmers reduce or completely avoid irrigation of annual crops to save water for irrigation of perennial crops. The water shortage for irrigation has led in some cases to a drop of up to 100% of the surface allocated to the production of annual crops.
Análise de rejeitos como indicador de qualidade nos serviços radiológicos do Hospital Universitário da Universidade Federal da Paraíba
Authors: Moreira Luciano Ferreira , Sales Marcelo Augusto de Oliveira , Dutra Fernando
Published: August 2019

Resíduos de serviços de saúde; Controle de qualidade; Radiografia.
Perfil epidemiológico da hanseníase no município de Baixo Guandu, Espirito Santo de 2005 a 2015
Authors: Moraes Schwambach Laysa Mariana , Campos Simões Jeremias
Published: August 2019

Epidemiological profile of Hansen’s disease in Baixo Guandu county, Espirito Santo state, 2005 to 2015
Influence of childhood risk factors on deciduous teeth eruption timing
Authors: Ferreira Lorena , Dos Santos Neto Edson Theodoro , Emmerich Oliveira Adauto
Published: August 2019

Influência dos fatores de risco infantis na cronologia de erupção da dentição decídua
O sono na adolescência e os fatores associados ao sono inadequado
Authors: Oliveira Gabriela , Batista da Silva Isabel , Araújo de Oliveira Elizabete Regina
Published: August 2019

Sleep in adolescence and factors associated with inadequate sleep
Assessment of the distribution and concentration of residual antibiotics in chicken meat and liver samples collected in Tehran by Liquid Chromatography and Tandem Mass Spectrometry
Authors: Bani-Asadi Fatemeh Zarean , Ahmadi Mohammad , Rokni Nordahr , Golestan Leila , Shahidi Seyyed Ahmad
Published: August 2019

Background:

Antibiotics are extensively used as therapeutic, prophylactic and growth promoting agents in the poultry industry. However, their widespread use resulted in the presence of residuals in poultry meat and offals potentially leading to public health hazards. The present research was done to assess the distribution and concentration of residual antibiotics in chicken meat and liver samples.

Methods:

Ninety chicken meat and liver samples were collected and transferred to laboratory. Presence and concentration of residual tetracyclines, sulfonamides and trimethoprim were assessed using the Liquid Chromatography -Tandem Mass Spectrometry technique.

Results:

There were no detectable concentrations of tetracyclines in all studied samples. Twenty-eight out of 90 (31.11%) raw meat and 31 out of 90 (34.44%) liver samples were positive for residual sulfonamides. Prevalence of positive meat and liver samples for residual sulfachloropyrazine, sulfadimethoxine and trimethoprim antibiotics were 16.66%, 5.55% and 8.88% and also16.66%, 5.55% and 11.11%, respectively. Sulfathiazole residue was only detected in 1.11% of chicken liver samples. Chicken liver samples had the higher concentrations of all detected residual sulfonamides. Sulfachloropyrazine had the highest concentration in raw chicken meat (20.8±1.88 µg/kg) and liver (24.4±1.54 µg/kg) samples, while sulfadimethoxine had the lowest (6.05±0.25 µg/kg and 9.26±0.36 µg/kg, respectively).

Conclusion:

All detected concentrations of residual sulfonamides were lower than Maximum Residue Limits (MRLs). Presence of residual antibiotics represents a serious public health treat regarding the occurrence of antibiotic resistant bacterial strains. LC MS/MS has been introduced as a sensitive and specific technique for monitoring and surveillance of residual antibiotics in chicken samples.
Correlation of irires noun towards sago: An ecolinguistic study
Authors: Syufi Yafed , Budiarsa Made , Simpen I Wayan , Satyawati Made Sri
Published: August 2019

This study focuses on the aspects of language and culture that correlate with sago processing systems and compound words. It also explains the language phenomena from the aspect of sago dimensions as a configuration of Irires community life. As it is observed, the Irires speakers distinguish between afes (male sago) lexicon and afaj (female sago) lexicon, as part of their life. In addition to the type of sago, there is also an agen-gen (navel) of mendow (sago) which is identical to humans. Likewise, the container used to accommodate the starch or the upper sago starch is called afes (male) and the lower part is called afaj (female).
Моделирование движения молекул H-=SUB=-2-=/SUB=- и D-=SUB=-2-=/SUB=- в секступольных магнитах
Authors: Юрченко А.В. , Николенко Д.М. , Рачек И.А. , Топорков Д.К. , Шестаков Ю.В.
Published: August 2019

The simulation of the movement of hydrogen and deuterium molecules in the magnetic system of the installation designed to obtain nuclear spin-polarized molecules is produced. For the spatial separation of molecules with different projections of the magnetic moments of spin filtering method in a nonuniform magnetic field, superconducting sextupole magnets are used. The calculation was performed when the induction of the magnetic field near the poles of 3.7 T and the nozzle temperature of the 7K. The simulation showed that the ratio of the polarized flux of hydrogen molecules into the detector to the total flux from the source nozzle is 2.3 × 10-6, and the nuclear polarization is about 100%. For deuterium, the calculations showed that this ratio is 7 times less because of the smallness of the magnetic moment with respect to hydrogen molecules. The graphs of molecular trajectories in the magnetic system and their spatial distribution are presented. The mathematical aspects of the developed computer program algorithm are considered.
Исследование методом импедансной спектроскопии полимерного композита с углеродными нанотрубками в контакте с электролитом
Authors: Маркевич И.А. , Дрокин Н.А. , Селютин Г.Е.
Published: August 2019

The results of measurements of the frequency dependence of the electrical impedance of the composite based on ultrahigh-molecular-weight polyethylene modified with carbon nano-tubes in contact with an electrolyte are presented. The behavior of the active and reactive com-ponents of the impedance, dielectric constant and conductivity in the frequency range from 0.1 Hz to 120 MHz was analyzed. Equivalent electrical circuit that simulate the impedance disper-sion of the polymer composite in contact with an electrolyte were proposed. It was shown that a double electric layer appears at the boundary between the polymer composite and electrolyte lay-er, the electrophysical characteristics of which were determined.
Резонансное взаимодействие переходного излучения заряженной частицы с периодически модулированным в пространстве анизотропным магнитодиэлектрическим заполнением волновода
Authors: Геворкян Э.А.
Published: August 2019

The peculiarities of the interaction of the transition radiation of a charged particle with periodically modulated in space anisotropic magnetodielectric medium in the waveguide in the frequency region of the strong (resonant) interaction of the radiation with the modulated medium are considered. It is assumed that the charged particle moves with constant velocity perpendicular to the axis of the waveguide. Analytical expressions are obtained for the energy of transition radiation of transverse-electric (TE) and transverse-magnetic (TM) fields in the waveguide in the region of strong interaction with an accuracy of small modulation indexes in the first degree inclusive. Analytical expressions for the frequency and for the width of the frequency region of strong interaction are found. The possibility of the appearance of Cherenkov radiation in the region of strong interaction in the case of a rectangular waveguide is analyzed.
Синтез нанонитей оксида индия-цинка и исследование их чувствительности к ультрафиолетовому излучению
Authors: Маркова Н.П. , Березина О.Я. , Пергамент А.Л. , Колобова Е.Н. , Малиненко В.П. , Алексеев А.Ю.
Published: August 2019

Indium-zinc oxide (IZO) nanofibers are synthesized on Si-SiO2 substrates by the electrospinning method. The nanofibers’ dimensions, morphology, crystalline structure, and composition are studied by scanning electron microscopy, atomic force microscopy, energy dispersive X-ray analysis, and X-ray diffraction. The results of studying the electrical properties of nanofibers, as well as their sensitivity to UV radiation depending on the In to Zn concentration ratio, are presented. It is shown that the highest sensitivity to UV is observed at the indium content of about 50 atomic %. The photocurrent increment in this case, with respect to the dark current, is more than 4 orders of magnitude. The response and recovery times are 60 and 500 s, respectively. The results obtained suggest that IZO nanofibers can find application as UV sensors with improved characteristics.
Employing Data Mining Techniques for Predicting Opioid Withdrawal in Applicants of Health Centers
Authors: Hamedanizad Raheleh , Bahmani Elham , Jamshidi Mojtaba , Mohammad Darwesh Aso
Published: August 2019

Addiction to narcotics is one of the greatest health challenges in today’s world which has become a serious threat for social, economic, and cultural structures and has ruined a part of an active force of the society and it is one of the main factors of growth of diseases such as HIV and hepatitis. Today, addiction is known as a disease and welfare organization, and many of the dependent centers try to help the addicts treat this disease. In this study, using data mining algorithms and based on data collected from opioid withdrawal applicants referring to welfare organization, a prediction model is proposed to predict the success of opioid withdrawal applicants. In this study, the statistical population is comprised opioid withdrawal applicants in a welfare organization. This statistical population includes 26 features of 793 instances including men and women. The proposed model is a combination of meta-learning algorithms (decorate and bagging) and J48 decision tree implemented in Weka data mining software. The efficiency of the proposed model is evaluated in terms of precision, recall, Kappa, and root mean squared error and the results are compared with algorithms such as multilayer perceptron neural network, Naive Bayes, and Random Forest. The results of various experiments showed that the precision of the proposed model is 71.3% which is superior over the other compared algorithms.
Opportunities and Obstacles for Providing Medical Education Through Social Media
Authors: Wilkinson Aimee , Ashcroft James
Published: August 2019

Social media has infiltrated almost every sector of life, and medical education is no exception. As this technology becomes mainstream within society, an increasing number of health care students and professionals are using it for learning. Several important considerations for the risks of this technology are discussed here.
Reliability of Smartphone for Diffusion-Weighted Imaging–Alberta Stroke Program Early Computed Tomography Scores in Acute Ischemic Stroke Patients: Diagnostic Test Accuracy Study (Preprint)
Authors: Sakai Kenichiro , Komatsu Teppei , Iguchi Yasuyuki , Takao Hiroyuki , Ishibashi Toshihiro , Murayama Yuichi
Published: August 2019

BACKGROUND

High-quality neuroimages can be viewed using a medical app installed on a smartphone. Although interdevice agreement between smartphone and desktop PC monitor was found to be favorable for evaluating computed tomography images, there are no interdevice agreement data for diffusion-weighted imaging (DWI).

OBJECTIVE

The aim of our study was to compare DWI interpretation using the Join smartphone app with that using a desktop PC monitor, in terms of interdevice and interrater agreement and elapsed interpretation time.

METHODS

The ischemic change in the DWI of consecutive patients with acute stroke in the middle cerebral artery territory was graded by 2 vascular neurologists using the Join smartphone app and a desktop PC monitor. The vascular neurologists were blinded to all patient information. Each image was categorized as either Diffusion-Weighted Imaging–Alberta Stroke Program Early Computed Tomography Scores (DWI-ASPECTS) ≥7 or DWI-ASPECTS <7 according to the Japanese Society for Neuroendovascular Therapy. We analyzed interdevice agreement and interrater agreement with respect to DWI-ASPECTS. Elapsed interpretation time was compared between DWI-ASPECTS evaluated by the Join smartphone app and a desktop PC monitor.

RESULTS

We analyzed the images of 111 patients (66% male; median age=69 years; median National Institutes of Health Stroke Scale score on admission=4). Interdevice agreement regarding DWI-ASPECTS between the smartphone and the desktop PC monitor was favorable (vascular neurologist 1: κ=0.777, P<.001, vascular neurologist 2: κ=0.787, P<.001). Interrater agreement was also satisfactory for the smartphone (κ=0.710, P<.001) and the desktop PC monitor (κ=0.663, P<.001). Median elapsed interpretation time was similar between the smartphone and the desktop PC monitor (vascular neurologist 1: 1.7 min vs 1.6 min; P=.64); vascular neurologist 2: 2.4 min vs 2.0 min; P=.14).

CONCLUSIONS

The use of a smartphone app enables vascular neurologists to estimate DWI-ASPECTS accurately and rapidly. The Join medical smartphone app shows great promise in the management of acute stroke.
Online Health Information–Seeking Among Older Women With Chronic Illness: Analysis of the Women’s Health Initiative (Preprint)
Authors: Sedrak Mina S , Soto-Perez-De-Celis Enrique , Nelson Rebecca A , Liu Jennifer , Waring Molly E , Lane Dorothy S , Paskett Electra D , Chlebowski Rowan T
Published: August 2019

BACKGROUND

Understanding how older patients with chronic illnesses use the internet to obtain health information is relevant for the design of digital interventions aimed at improving the health and well-being of adults aged 65 years and older; this cohort represents the sickest, most expensive, and fastest-growing segment of the US population.

OBJECTIVE

The objective of our study was to describe online health information–seeking behavior among older patients with chronic illnesses and to compare the characteristics of patients who report using the internet to obtain health information with those who do not.

METHODS

The study population included 72,806 women aged 65 years and older enrolled in the Women’s Health Initiative (WHI), a national cohort study, who completed a 2014 supplemental questionnaire assessing everyday technology use and internet use for researching health conditions. Comparisons were made between participants with and without a history of chronic illness and between users and nonusers of online sources for health information. Multivariate logistic regression was used to estimate odds ratios (ORs) and 95% CIs.

RESULTS

Of the total, 59% (42,887/72,806) of older women used the internet for health information. Compared with women who did not use the internet to obtain health information, those who used the internet were younger (median age: 76 vs 81 years), more likely to be non-Hispanic white (90% [38,481/42,887] vs 87% [26,017/29,919]), earned a higher income (over $US 50,000: 55% [23,410/42,887] vs 33% [9991/29,919]), achieved a higher educational level (more than high school: 87% [37,493/42,887] vs 75% [22,377/29,919]), and were more likely to live with a partner (52% [22,457/42,887] vs 36% [10,759/29,919]) (all P<.001). Women with Alzheimer disease were least likely to report online health information–seeking compared to those without the disease (OR 0.41, 95% CI 0.38-0.43). In contrast, women with a recent diagnosis of cancer, within the previous 2 years (OR 1.23, 95% CI 1.11-1.36) or 2-5 years ago (OR 1.09, 95% CI 1.00-1.19), were most likely to use the internet for health information.

CONCLUSIONS

Nearly 6 in 10 older women participating in the WHI reported using the internet to obtain health information. Patients recently diagnosed with cancer are more likely to be looking for health information online, even after adjustment for age, suggesting that these patients may have a greater need for digital health resources.
The development of a screening tool for identification of Nurses knowledge about suicide (Preprint)
Authors: Elrefaay Sr Shaimaa , Shalaby III Mervat
Published: August 2019

BACKGROUND

Effective management of suicidal attempt patients requires appropriate training for nursing staff to improve, knowledge and management technique will be effective in decreasing injuries to patients as well as staff.

OBJECTIVE

The purpose of this manuscript is to report on the development of a screening tool for psychiatric nurses to assess nurses knowledge about suicide .

METHODS

The preliminary questionnaire was based on review of previous suicide knowledge scales and clinical experiences of psychiatrists and clinical psychologists in Egypt . Forty psychiatric nurses participated by completing Nurses knowledge about suicide questionnaire. The tool was developed using a four phase approach.

RESULTS

Sixty eight items for nurses knowledge about suicide were identified and included in the screening tool and divided into eight conceptual area. While further research is needed to validate the screening tool, the findings provide a useful preliminary starting point for nurses to assess knowledge about suicide

CONCLUSIONS

In conclusion, the nurses knowledge about suicide questionnaire is developed as a measure for screening nurses knowledge about suicide
Developing an Evidence-Based Nursing Handover Standard for a Multi-Site Public Hospital in Switzerland: Protocol for a Web-Based, Modified Delphi Study (Preprint)
Authors: Tacchini-Jacquier Nadine , de Waele Els , Urben Peter , Turini Pierre , Verloo Henk
Published: August 2019

BACKGROUND

Poor communication processes create opportunities for errors when caregivers fail to transfer complete and consistent information. Inadequate or nonexistent clinical handovers or failures to transfer information, responsibility, and accountability can have dire consequences for hospitalized patients. Clinical handover is practiced every day, in a multitude of ways, in all health care settings.

OBJECTIVE

The goal of this study is to build a consensus, evidence-based nursing handover standard for inpatients during shift changes or internal transfers between hospital wards. The study will be based on papers published by Slade et al.

METHODS

This protocol describes a modified Delphi data-collection survey involving a targeted panel sample of 300 nurse experts. A multi-round survey will select an anonymous panel from a multi-site public hospital in Switzerland. Each survey stage will be described and will build on the previous one. The study will end with a focus group discussion involving a randomly selected panel to explain why items for the evidence-based clinical nursing handover standard were accepted or not accepted. An item must achieve a consensus of ≥70% for inclusion.

RESULTS

The present study’s expected outcome is a consensus-built, evidence-based nursing handover standard for inpatients during shift changes or internal transfers between the wards of a multi-site public hospital in Switzerland.

CONCLUSIONS

This survey will enable us to develop an evidence-based nursing handover standard for use during shift changes and internal inpatient transfers in a multi-site public hospital in Switzerland.

INTERNATIONAL REGISTERED REPORT

DERR1-10.2196/15910
Rendimiento académico y factores sociofamiliares de riesgo
Authors: Rodríguez Rodríguez Daniel , Guzmán Rosquete Remedios
Published: August 2019

Este estudio tiene como objetivo principal ponderar la importancia que tienen los factores de riesgo sociofamiliares para el rendimiento académico de los estudiantes y cómo las variables personales de los estudiantes pueden mediar para evitar su incidencia negativa en los logros académicos. Para ello se realizó una revisión bibliográfica en las principales bases de datos sobre los tópicos analizados. Se presenta la importancia de la teoría de acumulación de factores de riesgo y se analiza la relación del nivel socioeconómico y variables de naturaleza familiar con el rendimiento académico de los estudiantes de educación secundaria. Se plantea la importancia de desarrollar intervenciones educativas que potencien variables de los estudiantes que la investigación educativa ha demostrado que los pueden proteger de la influencia negativa de los factores de riesgo sociofamiliares.
Aspectos gerais do tratamento de cessação do tabagismo: uma revisão da literatura
Authors: De Araújo Neto Joaquim Horácio , de Araújo Márcia Jordana , De Araújo Ana Aline Kércia , Vasconcelos de Paula Ana Flavia , Siqueira Rafaelly Maria Pinheiro
Published: August 2019

OBJETIVO: O objetivo deste trabalho foi realizar um levantamento bibliográfico sobre o tratamento de cessação do tabagismo procurando enfatizar as políticas, as medicações utilizadas, e outras informações inerentes ao consumo de produtos derivados do tabaco. METODOLOGIA: Realizou-se um levantamento bibliográfico nas bases de dados SciELO, Medline e PubMed, com trabalhos publicados entre os anos de 2007 e 2018. RESULTADOS: No Brasil possui muitas políticas relacionadas que estimulam o tratamento de cessação, oferecendo o serviço gratuito tendo os adesivos transdérmicos como terapia farmacológica de primeira escolha. O farmacêutico desempenha importante função nas orientações técnicas. Portanto, torna-se importante o conhecimento sobre os aspectos gerais do tabagismo, pois, por se tratar de uma política em construção, ainda são escassas as produções sobre os limites e potencialidades dessa política no Brasil.
Palavras-Chave: Tabagismo. Cessação tabágica. Tabaco.
Corporate venture capital: global trends and evaluation of russia’s prospects
Authors: Yeremchenko О. A.
Published: August 2019

The article analyzes the global trends of corporate venture financing (CFE) as a whole and for individual sectors of the economy. It is shown that the industries in which KFW is most actively and dynamically used are the Internet, mobile communications and healthcare. The maximum attention of corporate venture funds is attracted by start-ups in the early stages of raising capital, more than half of all venture capital deals are made at the Seed / Angel (seed stage) and Early Stage stages (the second stage of attracting start-up capital). The most common exit from venture capital deals during 2014–2018. For most industries, the redemption share of the FAC is a management startup (Management Buyout). It was concluded that Russia is poorly included in the use of corporate venture capital as a tool for building technological capacity: the country’s share in the number of corporate venture capital transactions in 2018 is 1.9% of the global total, and the total investment of Russian enterprises estimated at only 0.45% of the global total. It was suggested that it would be expedient to increase the activity of Russian corporations in the field of creating and using the capabilities of the FSC.
University science. Internal possibilities of stimulating scientific activity in Russian universities
Authors: Sukhodolov A. P. , Anokhov I. V. , Mihalyova Е. О.
Published: August 2019

The statistics of research funding are reviewed, the experience of organizing research activities in Russian universities is summarized, and a model of its system support is proposed by the university itself. It is stated that in university science there is a “customer crisis”: the demand of the business sector does not provide the necessary volume of large and long-term orders for scientific research and studies rely mainly on the state budget. Organizational measures are proposed for a gradual transition from teaching to research with step-by-step confirmation of productivity: the creation of a new university subject – a “scientific unit” consisting of two or more employees, regardless of their academic title, with administrative rights and corresponding responsibility.
La transformación del trabajo en España desde los años setenta hasta hoy: una mirada generacional
Authors: Irene Valero-Oteo
Published: August 2019

La mundialización de la economía, las transformaciones técnicas y la
competitividad de la nueva era global han dado lugar a una serie de cambios
en el mundo del trabajo y en los derechos de los trabajadores, a partir,
sobre todo, de la década de los setenta cuando se puso fin al modelo
industrial del trabajo, dominante hasta el momento.
El presente trabajo intenta analizar cómo ha evolucionado el mercado de
trabajo, a raíz de estas transformaciones, en el contexto español de los
últimos cuarenta años. Para ello, en primer lugar, se hará una síntesis de
las reformas laborales llevadas a cabo en este país desde los inicios de la
democracia, con el fin de conocer cuál ha sido el papel de los diferentes
gobiernos en esta evolución. En segundo lugar, se llevará a cabo un análisis
de la evolución de la ocupación y el paro en España, cuyo objetivo
es averiguar cómo han cambiado sus cifras en los últimos años, además
de elaborar un análisis segmentado por sexo y edad, para conocer las diferencias entre los distintos grupos poblacionales. Por último, se analizará una serie de entrevistas, separadas por grupo de edad (jóvenes, adultos y mayores), para saber cuál es la opinión y valoración de los diferentes grupos respecto al mercado de trabajo y si existen diferencias y similitudes entre ellos.
Antibiotic Susceptibility Pattern of Enterococcus spp. Isolated from Poultry Feces
Authors: Makky Essam A. , Thanoon Raid D. , Kumar Yashab
Published: August 2019

Enterococci, especially Enterococcus faecalis and faecium, have emerged as an important nosocomial pathogen and represent a serious threat to patients with impaired host defenses. E. faecalis and faecium are part of the normal intestinal microbial flora of poultry and man under most conditions, they are considered as an opportunistic pathogen. In the current study, an investigation of Enterococcus spp. isolated from poultry feces and their antibiotic susceptibility pattern was studied, due to the worldwide attachment with poultry by human being. Samples were collected from different sites of Allahabad, India, 80 samples collected screened for the presence of E. faecalis and E. faecium and identified based on cultural and biochemical characteristics. Thirty-five isolates were identified as E. faecalis (57.37%), while 26 were E. faecium (42.62%). The pathogens isolated were tested for their susceptibility toward 10 different commonly prescribed antibiotics. Most of the isolates showed resistance toward antibiotics under study. E. faecalis strain suggested a higher percentage of possibility of infection estimated by 15% in comparison with E. faecium as it was found to be less in a screening. The high resistance rate also indicates the negative impact of the antibiotic therapy. To evaluate the extent of transmission and impact of such transmission on the effectiveness of the antibacterial use in human medicine, further study is imperative. Periodic monitoring of antibiotic resistance pattern to detect any change in it would be necessary for the effective treatment against these pathogens. Enterococci revealed an alarming rate of resistance to the standard antimicrobial agents used for therapy and raised MIC values to vancomycin. The importance and infection control were stressed.
Contemporary Techniques of English Language Learning in the Age of Global Communication Technologies
Authors: Zubair Hassan Bin
Published: August 2019

This research explores the importance of motivation and how it plays an important role in language learning. This motivation can vary from person to person, according to the factors which he or she is surrounded by. Some factors can affect motivation intrinsically or some factors can affect in motivation extrinsically in language learning. The aim of this study is to find out the factors behind Pakistani students’ motivation to learn English. The researcher has used qualitative multiple case study approach, to study fifteen students in order to get the information by conducting interviews. The fifteen students were from three different age groups, and there are 10 to 12 years, 14 to 16 years and 20 to 25 years old. The findings show how the factors affect students’ motivation in language learning. Some of the factors are mandatory subject, students’ participation, teachers’ feedback, and limited study materials. These factors can be helpful to find out the effective way to motivate the students to learn target language, the teachers’ technique and also benefit the involvement of parents in the student’s life.
Analyzing Indian Socio-Political Thoughts, Hunger and Freedom in Bhabhani Bhattacharya’s Novel “So Many Hungers”
Authors: Zubair Hassan Bin , Sadia Dr. Saba
Published: August 2019

This paper focuses on the Indian cultural background having the themes like hunger, poverty, famine, war, politics, freedom, imperialism, economic exploitation, class consciousness in the Indo-Anglian English fiction writer Bhabani Bhattacharya’s novel So Many Hungers!, related to the socio-political and economic situations of Bengali’s society. The theme of the novel is mainly the existing pressing problems of India especially the rural India before and after the Independence. Realism is one of the most remarkable features of Bhabani Bhattacharya’s fiction. His novel shows a passionate awareness of life in India, the social awakening and protest, the utter poverty of peasants, the Indian freedom struggle and its various dimensions, the tragedy of partition of the country, the social and political transitions, the mental as well as the physical agony of the poor peasants and labor class people of the Indian society, especially that of Bengal and other adjoining states. Bhattacharya believes that an artist should inevitably be concerned with truth and reality, his portrayal of the life and society is never a photographic one nor a journalistic record. One can very well find the reflection of Indian culture, tradition and struggle in it.
ПОРІВНЯЛЬНИЙ АНАЛІЗ ПОКАЗНИКІВ ЕФЕКТИВНОСТІ МЕТОДІВ СЕРІАЛІЗАЦІЇ ДАНИХ У КОМП’ЮТЕРНИХ МЕРЕЖАХ
Authors: Andrushchenko Roman
Published: August 2019

Актуальність теми дослідження. У наш час спостерігається значне збільшення трафіку в мережі Інтернет та в локальних мережах. Тому необхідно приділяти увагу ефективності процесів прийому/передачі даних у мережевому програмному забезпеченні. Програмне забезпечення, яке тим чи іншим чином передає дані по комп’ютерній мережі, виконує операції серіалізації/десеріалізації внутрішніх структур у потік байтів. Ці процеси є необхідними і можуть безпосередньо впливати на механізми комунікації між хостами. У статті проведено порівняльний аналіз форматів серіалізації структурованих даних, та досліджено вплив компресії на прикладному рівні моделі OSI.
Проведене дослідження дасть змогу покращити процеси передачі даних у межах моделі OSI, беручи до уваги високорівневу структуру даних, що передаються.
Постановка проблеми. Процеси перетворення внутрішніх структур даних програмного забезпечення до вигляду, прийнятного для передачі через мережу, можуть впливати на швидкість та надійність роботи програмного забезпечення. Проблема полягає в тому, що сучасне програмне забезпечення виконує значну, а іноді й зайву, роботу при передачі даних, передаючи надлишкову інформацію. Також протоколи різних рівнів моделі OSI зазвичай не беруть до уваги особливості самих даних, розглядаючи їх лише як потік байтів, що призводить до менш ефективних результатів. Одним із способів покращення цієї ситуації є виокремлення структурних особливостей даних, що передаються, та аналіз того, як вони впливають на процес серіалізації та десеріалізації.
Аналіз останніх досліджень та публікацій. Розглянуто публікації, матеріали конференцій у сфері інформаційних технологій за темою дослідження, а також офіційну документацію популярних форматів даних та інтернет-стандарти RFC. Проведено аналіз наявних досліджень роботи протоколів прикладного рівня та форматів серіалізації даних.
Виділення недосліджених частин загальної проблеми. Дослідження впливу внутрішньої структури та
формату даних, що передаються, на показники ефективності передачі даних з урахуванням стандартних методів компресії на прикладному рівні моделі OSI (GZIP).
Постановка завдання. Провести порівняльний аналіз показників роботи текстових та бінарних форматів серіалізації даних, дослідити ефективність їх роботи.
Виклад основного матеріалу. Проаналізована, протестована робота реалізацій текстових та бінарних форматів серіалізації даних на наборах повідомлень різного розміру та різної структури за допомогою експерименту.
Висновки відповідно до статті. У статті наведено результати порівняльного аналізу текстових та бінарних форматів серіалізації даних. Сформульовані переваги та недоліки використання стандартних механізмів компресії на прикладному рівні моделі OSI у комбінації з різними механізмами серіалізації.
ReacNetGenerator: an Automatic Reaction Network Generator for Reactive Molecular Dynamic Simulations
Authors: Zeng Jinzhe , Cao Liqun , Zhang John ZH , Chin Chih-Hao , Zhu Tong
Published: August 2019

The reactive molecular dynamics is widely used in the field of computational chemistry to study the reaction mechanisms in molecular systems. However, complex trajectories that are difficult to analyze have become a major obstacle to its application in large-scale systems. In this work, a new approach named ReacNetGen is developed to obtain reaction networks based on reactive MD simulations. Molecular species can be automatically generated from the 3D coordinates of atoms in the trajectory. The hidden Markov model is used to filter the noises in the trajectory, which makes the analysis process easier and more accurate. Compared with manual analysis, the advantage of this method in terms of efficiency is very obvious for large-scale simulation trajectories. It has been successfully used in the analysis of the simulated oxidation of 4-component RP-3 and methane.
Sodium Ion Conductivity in Superionic IL-Impregnated Metal-Organic Frameworks: Enhancing Stability Through Structural Disorder
Authors: Nozari Vahid , Calahoo Courtney , Tuffnell Joshua M. , Adelhelm Philipp , Wondraczek Katrin , Dutton Siân E. , Bennett Thomas , Wondraczek Lothar
Published: August 2019

Metal—organic frameworks (MOFs) are intriguing host materials in composite electrolytes due to their ability for tailoring host-guest interactions by chemical tuning of the MOF backbone. Here, we introduce particularly high sodium ion conductivity into the zeolitic imidazolate framework ZIF-8 by impregnation with the sodium-salt-containing ionic liquid (IL) (Na0.1¬EMIM0.9)TFSI. We demonstrate an ionic conductivity exceeding 2×10-4 S ⋅cm-1 at room temperature, with an activation energy as low as 0.26 eV, i.e., the highest reported performance for room temperature Na+-related ion conduction in MOF-based composite electrolytes to date. Partial amorphization of the ZIF-backbone by ball-milling results in significant enhancement of the composite stability, reflecting in persistent and stable ionic conductivity during exposure to ambient air over up to 20 days. While the introduction of network disorder decelerates IL exudation and interactions with ambient contaminants, the ion conductivity is only marginally affected, decreasing linearly with decreasing crystallinity but still maintaining superionic behavior. This highlights the general importance of 3D networks of interconnected pores for efficient ion conduction in MOF/IL blends, whereas pore symmetry is a presumably less stringent condition.
Can the NIST Adsorption Database Be Used to Highlight Potential Materials for Gas Separation?
Authors: Iacomi Paul , Llewellyn Philip L.
Published: August 2019

Scientific literature is replete with descriptions of novel adsorbent materials, making the selection of such adsorbents for gas storage and separation a trudging task, and often resulting in overlooked materials. Here, we use a high throughput methodology o process a dataset of 28 000 adsorption isotherms from the NIST adsorption database (ISODB) and generate key performance indicators applicable to ambient temperature binary separation on 1500 materials in the collection, with 30 adsorbed guests. The procedure is validated against high-quality laboratory isotherms to confirm the accuracy of the derived indicators. The results are then collated in a powerful online dashboard, which can be used to explore the binary correlations. Finally, we use this toolchain to scrutinize several challenging and industrially relevant case studies and highlight somematerials which may be promising for further analysis.
Solvent Effect on Dipeptide Bond Formation: Glycine as a Case Study
Authors: Achour Sofiene , Hosni Zied , Darghouth Sarra , Syme Christopher
Published: August 2019

Peptide bond formation is a crucial chemical process that dominates most biological mechanisms and is claimed to be a governing factor in the origin of life. Dipeptides made from glycine are studied computationally via Density Functional Theory (DFT) using two different basis sets. This reaction was investigated from both a thermodynamic and kinetic point of view. The effect of explicit solvation via the introduction of discreet solvent molecules was investigated. Water, methanol, and cyclohexane were all employed as solvent media in addition to gas to investigate their effects on the mechanism of peptide bond formation. This computational investigation revealed that methanol is slightly better than water to leverage peptide bond formation both kinetically and thermodynamically, while cyclohexane, a non-polar and non-protic solvent, is the least effective after gas as a medium of solvation. Energetic results in the gas environment are very close to those obtained in polar and protic solvents, suggesting that peptide bonds can be formed under interstellar conditions.
Solving the Non-Relativistic Electronic Schrödinger Equation with Manipulating the Coupling Strength Parameter over the Electron-Electron Coulomb Integrals
Authors: Kristyan Sandor
Published: August 2019

The non-relativistic electronic Hamiltonian, H(a)= Hkin+Hne+aHee, extended with coupling strength parameter (a), allows to switch the electron-electron repulsion energy off and on. First, the easier a=0 case is solved and the solution of real (physical) a=1 case is generated thereafter from it to calculate the total electronic energy (Etotal electr,K) mainly for ground state (K=0). This strategy is worked out with utilizing generalized Moller-Plesset (MP), square of Hamiltonian (H2) and Configuration interactions (CI) devices. Applying standard eigensolver for Hamiltonian matrices (one or two times) buys off the needs of self-consistent field (SCF) convergence in this algorithm, along with providing the correction for basis set error and correlation effect. (SCF convergence is typically performed in the standard HF-SCF/basis/a=1 routine in today practice.)
Semi-Analytic Evaluation of 1, 2 and 3-Electron Coulomb Integrals with Gaussian Expansion of Distance Operators W= RC1-nRD1-M, RC1-Nr12-M, R12-Nr13-M
Authors: Kristyan Sandor
Published: August 2019

The equations derived help to evaluate semi-analytically (mostly for k=1,2 or 3) the important Coulomb integrals Int rho(r1)…rho(rk) W(r1,…,rk) dr1…drk, where the one-electron density, rho(r1), is a linear combination (LC) of Gaussian functions of position vector variable r1. It is capable to describe the electron clouds in molecules, solids or any media/ensemble of materials, weight W is the distance operator indicated in the title. R stands for nucleus-electron and r for electron-electron distances. The n=m=0 case is trivial, the (n,m)=(1,0) and (0,1) cases, for which analytical expressions are well known, are widely used in the practice of computation chemistry (CC) or physics, and analytical expressions are also known for the cases n,m=0,1,2. The rest of the cases – mainly with any real (integer, non-integer, positive or negative) n and m - needs evaluation. We base this on the Gaussian expansion of |r|^-u, of which only the u=1 is the physical Coulomb potential, but the u≠1 cases are useful for (certain series based) correction for (the different) approximate solutions of Schrödinger equation, for example, in its wave-function corrections or correlation calculations. Solving the related linear equation system (LES), the expansion |r|^-u about equal SUM(k=0toL)SUM(i=1toM) Cik r^2k exp(-Aik r^2) is analyzed for |r| = r12 or RC1 with least square fit (LSF) and modified Taylor expansion. These evaluated analytic expressions for Coulomb integrals (up to Gaussian function integrand and the Gaussian expansion of |r|^-u) are useful for the manipulation with higher moments of inter-electronic distances via W, even for approximating Hamiltonian.