bluuebunny/crossref_metadata_2025 huggingface dataset:
Direct Wideband Coherent Localization by Distributed Antenna Arrays
Authors: Vukmirović Nenad , Erić Miljko , Janjić Miloš , Djurić Petar M.
Published: October 2019

We address wideband direct coherent localization of a radio transmitter by a distributed antenna array in a multipath scenario with spatially-coherent line-of-sight (LoS) signal components. Such a signal scenario is realistic in small cells, especially indoors in the mmWave range. The system model considers collocated time and phase synchronized receiving front-ends with antennas distributed in 3D space at known locations connected to the front-ends via calibrated coaxial cables or analog radio frequency over fiber links. The signal model assumes spherical wavefronts. We propose two ML-type algorithms (for known and unknown transmitter waveforms) and a subspace-based SCM-MUSIC algorithm for wideband direct coherent position estimation. We demonstrate the performance of the methods by Monte Carlo simulations. The results show that even in multipath environments, it is possible to achieve localization accuracy that is much better (by two to three orders of magnitude) than the carrier wavelength. They also suggest that the methods that do not exploit knowledge of the waveform have mean-squared errors approaching the Cramér–Rao bound.
Structural Holes in the Multi-Sided Market: A Market Allocation Structure Analysis of China’s Car-Hailing Platform in the Context of Open Innovation
Authors: Huang Lei , Zhao Yandong , Mei Liang , Wu Peiyi , Zhao Zhihua , Mao Yijun
Published: October 2019

Car-hailing platform governance is an emerging topic of research and practice. The governance of the data-driven platform economy is challenging the research paradigm of competition regulation in the context of open innovation. This research is trying to reveal the market allocation structure of China’s online car-hailing industry from the perspective of personal data allocation by the study of Application Programming Interface (API) of sample platforms. On the basis of the networked nature of personal data allocation via APIs, this research constructs a mathematical model of the edge weight of data resource connections between platforms. Furthermore, this research optimises the structural hole analysis of complex networks to discuss the state of personal data resource allocation in China’s car-hailing industry. Results reveal that there are obvious structural holes within the sample network. When compared with related indicators, we found that accessing personal data resources is an essential component of the sample network competition capability and sustainable innovation. Social media platforms and online payment platforms more greatly impact car-hailing platform competition than other types of platforms within the multi-sided market context. This research offers a research perspective of personal data allocation for further study of competition, regulation and sustainable innovation of data-driven platform economies.
Improving Self-Efficacy Towards Inclusion in In-Service Physical Education Teachers: A Comparison between Insular and Peninsular Regions in Spain
Authors: Reina Raul , Santana Alicia , Montesdeoca Rayco , Roldan Alba
Published: October 2019

Physical education teachers play a significant role in educating students with special education needs, but they often feel frustrated and unprepared to achieve a successful inclusion process. The lack of inadequate training has proven to have an unfavorable effect on educators’ perceived competence, confidence, and attitudes when working in inclusive settings with children with disabilities. This study evaluates the effect of a training program implemented with in-service physical educators from two different regions in Spain, insular and peninsular, in order to improve their self-efficacy in including students with disabilities in physical education. A pre- vs. post-test intervention was conducted with two groups of 142 in-service physical educators with similar age and teaching experience. The intervention improved their perceived self-efficacy in including students with physical, visual, and intellectual disabilities in physical education (p < 0.01, effect sizes = large). The physical educators teaching in the insular region improved their self-efficacy to a higher extent. This study demonstrates the invariant effect of the training program in both regions, but the self-efficacy scores of the physical educators might be constrained by the contents regarding inclusion in their pre-service training, the education policies of the region where the teaching takes place or the geographical characteristics of their workplace.
Assessment of Affinity towards Diversity Using the Implicit Association Test and Self-Reports
Authors: Corral-Frías Víctor Omar , Lucas Marc Yancy , Corral-Frías Nadia Saraí , Corral-Verdugo Víctor , Tapia-Fonllem César
Published: October 2019

Affinity towards diversity (ATD) is the tendency to appreciate the dynamic variety of biophysical and socio-cultural scenarios. ATD may reveal a human predisposition to conserve the diversity necessary to guarantee the preservation of human and natural ecosystems. This study expands upon previous studies which employed only self-report measures by introducing a version of the Implicit Association Test (IAT) and by using a mediational model to test whether ATD through sustainable (pro-environmental and pro-social) behaviors leads to greater wellbeing. We recruited 119 Mexican students to complete a computerized IAT task and respond to ATD, wellbeing, and sustainable behavior self-report questionnaires. Reliability analyses of the scales utilized showed acceptable indexes. A mediational model was tested to examine whether sustainable behaviors mediate the relationship between ATD and wellbeing. Results demonstrated that affinity towards diversity indirectly predicted wellbeing via the mediating effects of pro-environmental behaviors and altruism. Despite finding an association between self-reported affinity towards biodiversity and IAT reaction times, an association was not found with D scores, highlighting the need for further research. These findings suggest that those with increased inclination towards diversity are more prone to engage in environmentally (both physical and social) protective behaviors and to experience psychological wellbeing.
Effect of Carbon Pricing on Optimal Mix Design of Sustainable High-Strength Concrete
Authors: Wang Xiao-Yong
Published: October 2019

Material cost and CO2 emissions are among the vital issues related to the sustainability of high-strength concrete. This research proposes a calculation procedure for the mix design of silica fume-blended high-strength concrete with an optimal total cost considering various carbon pricings. First, the material cost and CO2 emission cost are determined using concrete mixture and unit prices. Gene expression programming (GEP) is used to evaluate concrete mechanical and workability properties. Second, a genetic algorithm (GA) is used to search the optimal mixture, considering various constraints, such as design compressive strength constraint, design workability constraint, range constraints, ratio constraints, and concrete volume constraint. The optimization objective of the GA is the sum of the material cost and the cost of CO2 emissions. Third, illustrative examples are shown for designing various kinds of concrete. Five strength levels (from 95 to 115 MPa with steps of 5 MPa) and four carbon pricings (normal carbon pricing, zero carbon pricing, five-fold carbon pricings, and ten-fold carbon pricings) are considered. A total of 20 optimal mixtures are calculated. The optimal mixtures were found the same for the cases of normal CO2 pricing and zero CO2 pricing. Optimal mixtures with higher strengths are more sensitive to variation in carbon pricing. For five-fold CO2 pricing, the cement content of mixtures with higher strengths (105, 110, and 115 MPa) are lower than those of normal CO2 pricing. As the CO2 pricing increases from five-fold to ten-fold, for mixtures with a strength of 110 MPa, the cement content becomes lower. Summarily, the proposed method can be applied to the material design of sustainable high-strength concrete with low material cost and CO2 emissions.
Symmetry Breaking in Interacting Ring-Shaped Superflows of Bose–Einstein Condensates
Authors: Oliinyk Artem , Yatsuta Igor , Malomed Boris , Yakimenko Alexander
Published: October 2019

We demonstrate that the evolution of superflows in interacting persistent currents of ultracold gases is strongly affected by symmetry breaking of the quantum vortex dynamics. We study counter-propagating superflows in a system of two parallel rings in regimes of weak (a Josephson junction with tunneling through the barrier) and strong (rings merging across a reduced barrier) interactions. For the weakly interacting toroidal Bose–Einstein condensates, formation of rotational fluxons (Josephson vortices) is associated with spontaneous breaking of the rotational symmetry of the tunneling superflows. The influence of a controllable symmetry breaking on the final state of the merging counter-propagating superflows is investigated in the framework of a weakly dissipative mean-field model. It is demonstrated that the population imbalance between the merging flows and the breaking of the underlying rotational symmetry can drive the double-ring system to final states with different angular momenta.
About Chirality in Minkowski Spacetime
Authors: Petitjean Michel
Published: October 2019

In this paper, we show that Lorentz boosts are direct isometries according to the recent mathematical definitions of direct and indirect isometries and of chirality, working for any metric space. Here, these definitions are extended to the Minkowski spacetime. We also show that the composition of parity inversion and time reversal is an indirect isometry, which is the opposite of what could be expected in Euclidean spaces. It is expected that the extended mathematical definition of chirality presented here can contribute to the unification of several definitions of chirality in space and in spacetime, and that it helps clarify the ubiquitous concept of chirality.
Knowledge of Human Papillomavirus (HPV), Attitudes and Practices Towards Anti-HPV Vaccination Among Israeli Pediatricians, Gynecologists, and Internal Medicine Doctors: Development and Validation of an Ad Hoc Questionnaire
Authors: Khamisy-Farah Rola , Adawi Mohammad , Jeries-Ghantous Haneen , Bornstein Jacob , Farah Raymond , Bragazzi Nicola Luigi , Odeh Marwan
Published: October 2019

Human papillomavirus (HPV) is a highly widespread virus which is responsible for one of the most common sexually transmitted infections. Two main preventative strategies exist: anti-HPV vaccination and cervical screening. Health-care workers play a key role in promoting public health campaigns; however, vaccine hesitancy is an often under-recognized challenge. To investigate the overall knowledge of HPV and HPV-related issues, as well as the attitudes and practices of health professionals towards recommending the anti-HPV vaccine, an ad hoc knowledge, attitudes, and practices (KAP) questionnaire was developed and validated in a sample of 139 Israeli pediatricians, gynecologists, and internal medicine doctors. The KAP questionnaire was found to be psychometrically valid and sound (with an rKR-20 coefficient of 0.74 for the second part and a Cronbach’s alpha of 0.85 for the third part). Furthermore, the present study confirmed the importance of health-care providers in recommending the immunization practice. Parents that had been strongly advised by health-care providers to vaccinate their children accepted immunization for their girls (odds ratio (OR) 1.09 (95% CI 1.04–1.14)) and boys (OR 1.06 (95% CI 1.02–1.10)), had a lower probability of deciding to postpone the immunization appointment (OR 0.81 (95% CI 0.66–0.98)), had fewer doubts and concerns about the vaccine (OR 0.69 (95% CI 0.54–0.89)), and had a lower probability of refusing the vaccination (OR 0.93 (95% CI 0.86–0.99)). Interestingly, the use of new, emerging tools such as ad hoc websites, applications, and other interactive devices reduced vaccine hesitancy (OR 0.90 (95% CI 0.82–0.99)) and concerns about the side-effects of the vaccine (OR 0.92 (95% CI 0.86–0.99)). However, among Israeli health-care workers, knowledge was generally moderate, with updated information lacking in about 30% of surveyed health-care providers and approximately 20% of them not recommending the anti-HPV vaccine among boys. This study has practical implications for policy- and decision-makers in that they should be aware of the overall level of knowledge among health-care workers and should implement ad hoc educational interventions to address gaps in knowledge and help medical providers routinely recommend the anti-HPV vaccine both to male and female children and adolescents.
Decoding Images in the Mind’s Eye: The Temporal Dynamics of Visual Imagery
Authors: Shatek Sophia M. , Grootswagers Tijl , Robinson Amanda K. , Carlson Thomas A.
Published: October 2019

Mental imagery is the ability to generate images in the mind in the absence of sensory input. Both perceptual visual processing and internally generated imagery engage large, overlapping networks of brain regions. However, it is unclear whether they are characterized by similar temporal dynamics. Recent magnetoencephalography work has shown that object category information was decodable from brain activity during mental imagery, but the timing was delayed relative to perception. The current study builds on these findings, using electroencephalography to investigate the dynamics of mental imagery. Sixteen participants viewed two images of the Sydney Harbour Bridge and two images of Santa Claus. On each trial, they viewed a sequence of the four images and were asked to imagine one of them, which was cued retroactively by its temporal location in the sequence. Time-resolved multivariate pattern analysis was used to decode the viewed and imagined stimuli. Although category and exemplar information was decodable for viewed stimuli, there were no informative patterns of activity during mental imagery. The current findings suggest stimulus complexity, task design and individual differences may influence the ability to successfully decode imagined images. We discuss the implications of these results in the context of prior findings of mental imagery.
PERAN ORANGTUA KRISTIANI DALAM MEMBANGUN PENDIDIKAN KARAKTER ANAK
Authors: Permana Natalis Sukma
Published: October 2019

Parents totally have crucial role on growing up the character education in family life. From parents, the children learn the way of respecting others, loving to the diversity, respecting differences in point of view and being humble. The Catholic family is a “ecclesia domestica” (family church), the smallest part of the church. Therefore, it is not only a place of the growth and development of the Catholic faith, but also a place of strengthening the values ​​of love according to Jesus ways the eternal Teacher. Character education grows in a family life. From and within the family environment, children learn ethical values, manners, and things that are not desirable in the social environment. Along the times, the challenges of families in educating children increasingly grave. The technology advances have disrupted many dimensions of life, including the warmth in a family life.
The health awareness of Tychy residents– demographic perspectiv
Authors: Kowalczewska-Grabowska Katarzyna
Published: October 2019

It is about results of research which has been taken in 2017 among Tychy citizens. Investigations have been related to respondent’s health assessment, sanitary actions as well as anti-sanitary ones. Age and education were main base for result study. Presented data are just a part of research project. The goal is to set up the Social and Pedagogical Model of Diagnosis and Participation in order to Protect and Promote Health. Conclusions taken might help to kick of practice and actions to enlarge health capability among local community.
Constructing professional identity of an active subject:examples of family assistants
Authors: Kamińska-Jatczak Izabela
Published: October 2019

According to the accepted understanding in this article, the professional identity expresses itself through the activity. Identity understood in this way is a social construct formed between the expression of the active subject and the impression of others. The text presents conclusions regarding the process of identifying assistants based on the specificity of their activity expressed in style, functions and identification acts that occur in specific situational contexts. Considerations regarding professional identity as constructed in the intersubjective space, in the course of the activity of influencing Other. The professional identity is under the dynamics of the influence of the transmitted self-images and constructed identity representations.
Efectos de la retroalimentación sobre la disminución del plagio académico en estudiantes de bachillerato
Authors: Diaz-Arce Dariel , Brito-González José , Nieto-Trelles Valeria , Muñoz Wilson
Published: October 2019

The objective of the study was to develop and evaluate the results of a strategy to reduce academic plagiarism in an educational institution. The sample consisted of 39 students (56.4%, women) of first year of high school of the 2018-2019 academic year who responded to an online form designed to collect information on the frequency of academic plagiarism and the actions to prevent it, as well as the factors most important that can cause it. The educational intervention was designed in six sessions of 50 min. The frequency of plagiarism was high among the participants, which correlated negatively with the actions taken to prevent it independent of sex and academic performance. Ignorance of what is academic plagiarism, how to prevent it and procrastination were the most relevant causes. 71.4% of the students reduced their frequency of academic plagiarism, while 64.3% increase the frequency of actions to prevent it. This methodology is simple and quick in decision making to identify and reduce problems in the educational field.
Los inicios del conocimiento didáctico tecnológico del contenido en las adscripciones universitarias. Estudio de casos
Authors: Moreyra Mara , Demuth Patricia
Published: October 2019

This work aims to understand the processes of Construction of the Technological Didactic Knowledge of the Content in beginner university affiliates, considering them as teachers in training, in the context of the National University of the Northeast, Argentina. Taking into account the university context, we seek to deepen and broaden the analysis of three cases from different careers of the faculties of said university: Faculty of Medicine, Exact and Natural Sciences and Surveying and Humanities; whose careers and subjects are: Medicine (Biochemistry), Faculty of Biology (Biology of the Ropes) and Bachelor of Science in Education (Project Development and Evaluation). Given the type of analysis we seek, we frame this research within the interpretive paradigm and qualitative approach. Likewise, the methodology adopted was the case study, whose information collection instruments were successive in-depth interviews, individual semi-structured; Observations of their ascription practices, curricular materials and projects of ascription of the subjects. Regarding the conclusions, we point to university ascription as a complex vocational training field, enriched with knowledge and experiences that allow the deployment of a series of initial skills in beginners, which are grouped into conventional and emerging skills.
210 Mw Turbo Generator’s Hydrogen Gas Cooling System Online Monitoring And Controlling Using Node Red Flow Based IoT
Authors:   Assistant Professor, Department of EEE,Bharath Institute of Higher education and research, Tamilnadu, India., Dwarakesh K. , R Rathika ,   Assistant Professor, Department of EEE,Bharath Institute of Higher education and research, Tamilnadu, India., S Aarthi Suriya ,   Assistant Professor, Department of EEE, Bharath Institute of Higher education and Research, Tamilnadu, India.
Published: October 2019

This undertaking is about plan and execution of remote observing and controlling of 210 MW TURBO GENERATOR'S HYDROGEN COOLING SYSTEM utilizing NODE RED BASED IOT PROGRAM. The quicker heat scattering of generators in power plants calls for hydrogen cooling, and water is utilized as coolant to chill off the hot hydrogen which turns out from the hydrogen cooling framework (HCS) at the producing end. Along these lines, in enormous creating plants, the way toward cooling and the coolant become basic pieces of the warmth exchangers. Subsequently, necessity of a dependable HCS is an unquestionable requirement. The primary point of this task is to naturally refill the hydrogen gas in the hydrogen cooling arrangement of turbo generators at whatever point the hydrogen level gets diminished than the ideal hydrogen level. This framework functions admirably in both ordinary necessity conditions and furthermore during basic prerequisite conditions, when there is a surprising spillage in the framework. The whole procedure control and observing, famously known as human–machine interface of HCS, has been created and reproduced on NODE RED BASED IOT PROGRAM. [1],[ 3],[5]
Microgrids Connected to the Residential grid for Energy Management Utility Fuzzy Logic Controller Employed Hybrid Electric Vehicles
Authors:   Department of EEE,Bharath Institute of Higher Education & Research,TamilNAdu, Prakash M. , Sakthivel K. ,   Department of EEE,Bharath Institute of Higher Education & Research,TamilNAdu, S Anitha. ,   Department of EEE,Bharath Institute of Higher Education & Research,TamilNAdu
Published: October 2019

In our research design presents the model of managing the energy for residential purpose and for hybrid vehicle simultaneously. This system integrated with reusable energy storage system such as PV panel and battery. Our energy management system approaches the goal to satisfy power needed and to minimize the fluctuation in power microgrid. We designed the model with the fuzzy logic controller in order to optimize the microgrid power constantly. The energy sources retrieved and given to hybrid electric vehicle and residential purpose. Now a day’s most of the vehicles are hybrid mostly runs on either in fuel or by electric energy else by both energy sources. In order to achieve the maximum power throughput, we proposed the bidirectional converter is connected with PV panel and microgrid. The designed fuzzy logic controller to manage the lifetime of battery and to provide the constant discharge. The entire vehicle setup module is connected to microgrid.
Deploying DNS and the Turing Machine using Sophi
Authors:   Department of CSE,Bharath Institute of Higher Education & Research,TamilNAdu, Anuradha C. , Pothumani S. ,   Department of CSE,Bharath Institute of Higher Education & Research,TamilNAdu, Geo Allin ,   Department of CSE,Bharath Institute of Higher Education & Research,TamilNAdu
Published: October 2019

Homogeneous symmetries and DNS have accumulated magnificent eagerness from both security masters and futurists over the latest a significant extended period of time. In this work, we check the mix of red-dim trees. We show a checked device for replicating 802.11b (Sophi), exhibiting that journaling record structures can be made unpredictable, virtual, and social.
Synthesis of Rasterization – A New Method
Authors:   Assistant Professor Department of CSE,Bharath Institute of Higher Education & Research,TamilNAdu, Priya N. , Pothumani S. ,   Assistant Professor Department of CSE,Bharath Institute of Higher Education & Research,TamilNAdu, Kavitha R. ,   Associate Professor Department of CSE,Bharath Institute of Higher Education & Research,TamilNAdu
Published: October 2019

The change of RAID is a key puzzle. Truth be told, couple of analysts would differ with the key unification of DHCP and deletion coding. We focus our endeavors on belligerence that internet business and working frameworks are totally contradictory
Análisis de la calidad, satisfacción, lealtad y seguridad en la contratación de servicios en línea para el cuidado de mascotas
Authors: Búa Diana Córdova
Published: October 2019

Actualmente el comercio electrónico (e-commerce) ha transformado los hábitos de compra de los consumidores.Este representa un sector que sigue creciendo y que ofrece una gran variedad de productos y servicios. Sin embargo, la confianza sigue siendo un reto a superar para los negocios virtuales, sobre todo cuando el servicio va dirigido a las personas o a sus propiedades. En México cada día es mayor la cantidad de personas que incluyen a un animal doméstico (perros o gatos) como miembro de su familia pero, por cuestiones de practicidad o costo, no siempre pueden llevarlos a sus reuniones o de viaje.En tales casos los dueños requieren que alguien cuide a sus mascotas, para lo cual cuentan, en primera instancia, con los familiares y amigos cercanos. Cuando estos no pueden prestar ayuda, surge la problemática objeto de este análisis: ¿dónde y con quién dejarlos? Un servicio que cubra esta necesidad deberá ofrecer tranquilidad y seguridad a los usuarios, y un buen trato a las mascotas.El presente artículo busca analizar la necesidad percibida de los consumidores de un servicio en línea de cuidado de mascotas, así como los factores decisivos para la compra.También se revisará si la oferta que existe actualmente cubre las necesidades de los consumidores en temas de seguridad y oferta de cuidadores.Para mayor claridad sobre este análisis, se desarrollarán los conceptos clave de e-commerce y la relación hombre-mascota a lo largo de los años.
THE ROLE OF HEPARIN IN TREATMENT OF EXPERIMENTAL PERITONITIS
Authors: Saxena Pradeep Kumar
Published: October 2019

Background: To produce peritonitis experimentally in albino rats by creation of a necrotic loop of
terminal Ileum. Study of peritonitis and gross changes in peritoniteal cavity and to study the effect of
single dose heparin (Anticoagulant) in experimentally produced peritonitis. Also to study and compare the effect of repeated
small dosage of heparin in peritonitis.
Material and Methods The rats were divided into 6 groups, under the 2 experiments. So each group comprised of 8 rats. The
peritonitis was proceduced by Rasto's method, in which the peritonitis was caused by a gangrenous loop of small intestine . two
types of experiment were carried out:
1. Experiment 1 : The gangrenous loop which produced peritonitis was excised after 24 hours, normal saline was given in
control group,whereas heparin as a single dose and heparin in small repeated dose were given by sub-cutaneous or intraperitoneal route for 3 days. No abdominal toilet or antibiotics were given during the time. The surviving as well as the dead rats
during observation period were subjected to laparotomy and detailed pathology of peritoneum was studied.
2. Experiment 2 : In this group the gangrenous loop was not resected after 24 hours and normal saline was given in control
group 0.2 ml., or heparin in a single dose 50 I.U. or heparin in small repeated dose 20 I.U. twice a day for three days.All the rats
were continuously observed during the post-operative period for evidence of any complications.
Results: The peritonitis produced by a necrotic bowel loop was severe & brino-purulent.The formation of inter-mesentric
abscess in control group was much more evident than the heparinised rats. The size of inter-mesentric abscess was smaller in
treated group of albino rats than in control.The incidence of adhesion formation was much more in control group, than in the
heparin group, the adhesion were very less friable and easily breakable. The survival rate in heparin treatment group was 75%
to 87.5% as compared to the control group, where the survival rate was 50% only.The mortality in the control group, where the
necrotic loop, was not resected was as high as 87.5% and rats died within 8 days after operation whereas the mortality rate in
treatment group was low that is, from 50% to 60% only.
Conclusion: By comparison and contrast of the results of the difference treatment group, it become evident that survival in the
treated group was signicantly better than control group. About the evidence of intra-peritoneal infection, it shows that in
treated group clearance of peritonitis was much faster than the control group of albino rats:The number and size of
intramesentric abscesses were also smaller in treated group. There was also a little benecial effect on adhesion in
heparinised albino rats as compared to control group.So heparin in small repeated doses has denitely a signicant effect on
secondary bacterial peritonitis and its subsequent results.
CHROMOSOMAL STUDY OF TWO ARANEAE: ARANEIDAE SPIDERS FROM AKOLA MAHARASHTRA
Authors: S Dhande Satyavijay
Published: October 2019

Spiders (Araneae) appear to be the best studied order,of the class Arachnida concerning Chromosomal aspects.They
exhibit great diversity in diploid chromosome numbers.Compared with others Araneidae spiders,chromosomes of the
Araneae: spider are less studied. In this study, chromosomes of two Araneidae spiders Cyrtophora citricola (Forskål,
1775) and Neoscona theisi (Walckenaer, 1841) were observed and studied based on the samples collected from Akola
region. The chromosome diploid number and the sex chromosomal system in both the spider species found
2n=(22+X X X X ) and 2n=(22+X X ) respectively.Both the spider species shows telocentric chromosomes.
ETIOLOGY OF PUBERTY MENORRHAGIA - A PROSPECTIVE STUDY
Authors: Jananii Dr
Published: October 2019

OBJECTIVES: To determine the etiology of puberty menorrhagia.
MATERIALS AND METHOD:A total of 35 cases who attended OBG OPD at Shri SathyaSai Medical college from January
2019 – June 2019 who presented with chief complaints of irregular heavy menstrual bleeding since menarche were
included in this study.After taking detailed history taking,physical examination,lab investigations,ultrasound etiology
of puberty menorrhagia is ruled out.
RESULTS: Most common age group in our study are between 12 – 14 years (60%).34.2 % attained menarche between 12
– 13yrs.Around 27 patient had duration of symptoms for less than 6 months, 6 had symptoms for about 6 – 12 months, 2
had for more than 1 year. Most common etiolgy in our study is PCOD (25.7%), anovulatory without PCOD (20 %),
bleeding diathesis and thyroid disorder (17.1 %), pregnancy complication (8.5%), tuberculosis (5.7 %), fibroid and
endometriosis (2.8 %).
CONCLUSION: Puberty menorrhagia needs to be evaluated in early stage rather than at later stage so that
consequences of abnormal uterine bleeding can prevented.
HISTORICAL ANALYSIS THE HARD BOILED DETECTIVE FICTION
Authors: Chhuchhar Ajay B.
Published: October 2019

Why detective fiction never enjoyed the prestigious status of 'classics' as the literary fiction have been enjoying? The
reason may be the nature of the genre itself,as it represents crime,deception,cruelty etc.As Chandler says,"The murder
novel has also a depressing way of minding its own business,solving its own problems and answering its own questions”
The reception of this kinds of novel has not changed much.They are considered as 'lower' literature,which is a biased and
limited view of jargoned critics. Historical evidence and thematic analysis will reveal 'hard boiled novels' are different
and more literary than other sub genres, and how they shows some of the peculiarities which makes it unique with the
help of some highlighted characteristics of the sub-genre.At last I will conclude my essay with a critical analysis of the
idea
INTEGRATIVE LESSON BY THE METHOD OF PROBLEM-BASED LEARNING: BIOGENIC ELEMENTS.
Authors: Sahakyan Lida
Published: October 2019

We have taught the topic of "The prevalence of chemical elements in the living and the non-living world", with a
problematic method,at the first year of Yerevan State Medical University.This topic is related to biology and physics,one
can conduct an integrated lesson in collaboration with teachers of biology and physics. The proposed method allows
students to analyze,combine,compare,look for the links between objects and phenomena in class, to understand that "
why " is a philosophy of science
Online parameter identification of synchronous machines using Kalman filter and recursive least squares
Authors: Alves Erick , Noeland Jonas , Marafioti Giancarlo , Mathisen Geir
Published: October 2019

This paper investigates and implements a procedure
for parameter identification of salient pole synchronous machines that is based on previous knowledge about the equipment and can be used for condition monitoring, online assessment of the electrical power grid, and adaptive control. It uses a Kalman filter to handle noise and correct deviations in measurements caused by uncertainty of instruments or effects not included in the model.
Then it applies a recursive least squares algorithm to identify

parameters from the synchronous machine model. Despite being affected by saturation effects, the proposed procedure estimates 8 out of 13 parameters from the machine model with minor deviations from data sheet values and is largely insensitive to noise and load conditions.

Submitted to IEEE IECON 2019.
Electrical Machines and Power Electronics for Starter-Generators in More Electric Aircrafts: A Technology Review
Authors: Nøland Jonas Kristiansen , Leandro Matteo , Suul Jon Are , Molinas Marta , Nilssen Robert
Published: October 2019

Safety-critical power conversion systems play a major role in the paradigm shift towards more electric aircraft (MEA) architectures. This paper reviews the electrical machines and their power electronic systems that are currently competing in the application of integrated starter-generators (S/Gs) in MEA power systems. Motivated by the strict requirements of sufficient electrical starting capability, super-high power density and ultra-high reliability, additional considerations on the overall system design are necessary, including the power electronic converters (PECs) and integrated thermal designs. These aspects are discussed not only in the light of their many benefits but also of the challenges introduced by the continuous advancements and emerging innovations in the power conversion technology. In achieving the MEA goals and capitalize on all potential benefits, optimization-based design approaches will be necessary, where the aggregation of electric machines, PECs and the aircraft grid is considered as an integrated system to be optimized. This review highlights the importance of these aspects and offers a view on future perspectives and open issues.
A Abrangência das Pesquisas Brasileiras sobre Práticas Pedagógicas e Práticas de Ensino: considerações e posicionamentos teóricos
Authors: Giraldi Luciana Ponce Bellido , Perez Marcia Cristina A.
Published: October 2019

The aim of this text was to identify and analyse Brazilian productions dedicated to studying teaching and pedagogical practices. For this, bibliographic reviews were organized in the following databases: CAPES/MEC, Scielo and Ibict. We analyzed 28 studies, selected according to previously established criteria. Se analizaron 28 trabajos, seleccionados según criterios previamente establecidos. It was possible to conclude that researches on pedagogical practices covered a varied number of themes, which makes it difficult for the collective constitution of knowledge resulting from such studies. In addition, localized investigations refer, a priori, to the need for changes and or innovations in teaching practices, often without even understanding what has been done concretely in classrooms. Finally, it was pointed out that no research was found that related student actions and teaching practices in concrete school contexts.
Recebido em: 18/02/2018.Aprovado em: 13/06/2019.
Base Nacional Comum Curricular: um olhar sobre a ação docente, sua formação e o ensino da língua materna
Authors: De Oliveira Andréa Ramos , Parisotto Ana Luzia Videira , Messias Rozana Aparecida Lopes
Published: October 2019

This research aims to reflect on interventions in the education of Grades 1-5 schoolteachers, the teaching of the mother-tongue, and the implementation of Brazil’s National Common Curricular Base (BNCC). In light of the Pedagogy of Competencies, this study examines conceptions of power, as posited by Foucault, and the veiled interest of the powers-that-be in producing functionally illiterate citizens devoid of critical thinking skills and, thus, perpetuating a brand of education that fails to promote their emancipation from a state of compliance with the will of the ruling class. Based on a literature review and the analysis of pertinent documents, the discussion herein derives from considerations arrived at by the research group “Teacher Education and Teaching Practices at the Basic and Higher Education Levels” at São Paulo State University, Presidente Prudente campus. In spite of being imposed on Brazilian schools, the BNCC does not per se ensure quality in education unless schoolteachers are willing to critically examine the document and understand the need for change in the school culture, especially regarding the teaching of the mother-tongue, so as to help their students to overcome the overriding social logic.
 
Recebido em: 13/12/2018Aprovado em: 20/07/2019
PSYCHOLOGICAL ASPECTS OF THE REHABILITATION OF CANCER PATIENTS
Authors: Vagaytseva M V , Semiglazova T Yu , Kondratieva K O
Published: October 2019

The development of medicine increases the number of people living in situations of severe chronic illness, such as cancer. Around the world, the direction of the rehabilitation of such people is being developed in order to prevent disadaptation. Psychological rehabilitation is an essential component of rehabilitation. Psychological rehabilitation of people in a situation of cancer has its own characteristics. Presents the basics of psychological rehabilitation of the rehabilitation department of the Federal State Budgetary Institution "NMIC of Oncology named after NN Petrov" of the Ministry of Health of the Russian Federation.
Generalized Propensity Score Matching with Multilevel Treatment Options
Authors: Baser Onur
Published: October 2019

Background: Although conventional form of propensity score matching (PSM) is widely used in outcomes research field, its application on multilevel treatment is limited.

Objectives: This article reviews PSM and illustrates their use when there are more than two treatment choices, which is very common in health services research.

Methods: Generalized PSM technique was applied to commercial claims data to estimate the treatment effect of reliever only, controller only and combination therapy of patients with asthma. The propensity score is estimated using multinomial logistic regression. The outcome variable was total annual health care costs. Inverse probability weighting was applied to calculate risk adjusted costs. Results are compared with multivariate regression analysis, where the generalized linear model is used with gamma family and log link function.

Results: Based on the study’s definitions of an asthma episode, we obtained a sample that included 25,124 patients in fee-for-service (FFS) plans and 6,603 patients in non-FFS plans. Under each plan type, patients who were prescribed three different treatment options were significantly different in terms of their demographic and clinical characteristics. Compared to combination therapy under FFS group, the difference of the total health care costs among reliever therapy and controller only group was significant ($728 and $1,216, respectively). Under non-FFS group, reliever only therapy totaled $1,266; controller only therapy was $1,959, and combination therapy totaled $1,933. Although the cost difference between reliever only and combination therapy was significant, there was no evidence that combination therapy cost more than controller only therapy. There were no significant differences in the multi-level propensity score adjusted results and multivariate regression results.

Conclusion: This analysis presents the potential value of generalized PSM methods in health services when there are multilevel treatment options.
Explaining Obesity- and Smoking-related Healthcare Costs through Unconditional Quantile Regression
Authors: Borah Bijan , Naessens James , Olsen Kerry , Shah Nilay
Published: October 2019

Background: This paper assesses obesity- and smoking-related incremental healthcare costs for the employees and dependents of a large U.S. employer.

Objectives: Unlike previous studies, this study evaluates the distributional effects of obesity and smoking on healthcare cost distribution using a recently developed econometric framework: the unconditional quantile regression (UQR).

Methods: Results were compared with the traditional conditional quantile regression (CQR), and the generalized linear modeling (GLM) framework that is commonly used for modeling healthcare cost.

Results: The study found strong evidence of association of healthcare costs with obesity and smoking. More importantly, the study found that these effects are substantially higher in the upper quantiles of the healthcare cost distribution than in the lower quantiles. The insights on the heterogeneity of impacts of obesity and smoking on healthcare costs would not have been captured by traditional mean-based approaches. The study also found that UQR impact estimates were substantially different from CQR impact estimates in the upper quantiles of the cost distribution.

Conclusions: These results suggest the potential role that smoking cessation and weight management programs can play in arresting the growth in healthcare costs. Specifically, given the finding that obesity and smoking have markedly higher impacts on high-cost patients, such programs appear to have significant cost saving potential if targeted toward high-cost patients.
Economic and Clinical Impact of Stroke and Warfarin Use for Patients with Non-valvular Atrial Fibrillation
Authors: Wang Li , Fritschel Elyse , Baser Onur
Published: October 2019

Background: Atrial fibrillation (AF) is a common clinical problem and potent risk factor for stroke. However, real-world effectiveness and outcomes for AF patients are not well described.

Objective: To compare the economic and clinical impact of stroke and warfarin use on patients with nonvalvular atrial fibrillation (NVAF).

Methods: This was a retrospective analysis of medical and pharmacy claims of NVAF patients from a large commercial health insurance database (01/01/2005-12/31/2007). Patients were grouped according to stroke or warfarin prescription status. For all groups, demographic, clinical, and pharmaceutical characteristics were analyzed descriptively. Risk-adjusted overall and cardiovascular-related hospital readmission rates in 30 days, length of stay (LOS), clinical outcomes, and health care costs were assessed using propensity score matching. Costs were adjusted to 2007 U.S. dollars using the medical component of the U.S. Consumer Price Index.

Results: Out of 18,575 NVAF patients, 3.1% (n=575) experienced a stroke event. Stroke patients were older on average (78.94 vs. 77.28 years, p-value<0.0001) with significantly higher risk-adjusted inpatient mortality (7.14% vs. 2.09%, p-value<0.0001), emergency room visits (79.97% vs. 46.34%, p-value<0.0001), and average LOS measures (overall: 10.20 vs. 6.83 days, p<0.0001; cardiovascular-related: 8.35 vs. 5.90 days, p-value<0.0001). Despite the similarity in Charlson Comorbidity Index scores compared to non-stroke controls, stroke patients significantly higher clinical outcome rates during follow-up for acute coronary syndrome (ACS), ischemic attack, major and minor bleeding patients (p-values<0.0100), and the total cost incurred was nearly three times greater ($33,506 vs. $13,921, p-values<0.0001). NVAF patients were commonly prescribed warfarin (65.60%) and appeared to have a lower prevalence of clinical outcomes, while not incurring significantly higher follow-up costs compared to those not prescribed warfarin ($12,739, standard deviation [SD]=$19,842 vs. $15,358; SD=$45,446; p-value>0.0500). However, a significantly greater proportion of patients with major and minor bleeding were prescribed a combination of warfarin and antiplatelets than those without these events.

Conclusions: A stroke after an NVAF diagnosis has a major clinical impact, which translates into a significant economic burden for patients. Warfarin prescriptions did not significantly impact total health care costs, though caution is advised to minimize hemorrhagic events.
Economic Evaluation of Boceprevir for the Treatment of Patients with Genotype 1 Chronic Hepatitis C Virus Infection in Hungary
Authors: Odhiambo Raymond , Chhatwal Jagpreet , Ferrante Shannon Allen , El Khoury Antoine , Elbasha Elamin
Published: October 2019

Background: Recent international, randomized, placebo-controlled clinical trials (SPRINT-2; RESPOND-2) demonstrated that the triple combination of peginterferon (PEG), ribavirin (RBV) and boceprevir (BOC) was more efficacious than the standard dual therapy of PEG and RBV in treatment of patients chronically infected with genotype 1 hepatitis C virus (HCV) infection. The objective of this study was to evaluate the cost-effectiveness of triple therapy in both treatment-naive and treatment-experienced patients in Hungary. Methods: A Markov model was developed to evaluate the long-term clinical benefits and the costeffectiveness of the triple therapy from the Hungarian payer perspective. Model states were fibrosis (F0–F4, defined using METAVIR fibrosis scores), decompensated cirrhosis (DC), hepatocellular carcinoma (HCC), liver transplantation (LT), and liver-related deaths (LD). Efficacy was estimated from SPRINT-2 and RESPOND-2 studies. Disease progression rates and health state utilities used in the model were obtained from published studies. Estimates of probability of liver transplantation and cost were based on an analysis of the Hungarian Sick Fund database. All cost and benefits were discounted at 5% per year. Results: Compared to dual therapy, triple therapy was projected to increase the life expectancy by 0.98 and 2.42 life years and increase the quality-adjusted life years (QALY) by 0.59 and 1.13 in treatment-naive and treatment-experienced patients, respectively. The corresponding incremental cost-effectiveness ratios were HUF7,747,962 (€26,717) and HUF5,888,240 (€20,304) per QALY. The lifetime incidence of severe liver disease events (DC, HCC, LT, LD) were projected to decrease by 45% and 61% in treatment-naïve and treatment-experienced patients treated with triple therapy groups in comparison with PEG-RBV treatment. Conclusion: The addition of boceprevir to standard therapy for the treatment of patients with genotype 1 chronic HCV infection in Hungary is projected to be cost-effective using a commonly used willingness to pay threshold of HUF 8.46 million (3 times gross domestic product per capita).