bluuebunny/crossref_metadata_2025 huggingface dataset:
Performance Measurement of Photoelectric Detection and Target Tracking Algorithm
Authors: Yang Haidou , Li Wei
Published: November 2017

To solve the unstable problem of target tracking detection system, this paper proposes an improved mean-shift algorithm for object tracking, establishes object tracking processing model;provides the processing algorithm of object tracking. According to the principal of object tracking, papersets up sky background brightness calculation model in photoelectric tracking optical detection area and detection capability calculation model of space object, analyzes the effect of background illumination on the signal to noise ratio(SNR) of photoelectric tracking system, gives the change curve of detection capability based on the exposure time of CCD camera, SNR threshold of photoelectric detection system and dark current of photoelectric detection system. Through calculation and test , paperprovidesthe comparison results of the improved mean-shift and traditional mean-shift, verifies the correctness of the proposed algorithm and calculation models for photoelectric detection capability in target tracking detection system, the results show the improved mean-shiftobject tracking algorithm and detection capability calculation model are correct.
Fabrication of High Frequency Surface Acoustic Wave (SAW) Devices for Real Time Detection of Highly Toxic Chemical Vapors
Authors: Mittal Upendra , Islam Tarikul , Nimal A T , Sharma M U
Published: November 2017

In this paper, a low cost fabrication of sub micron features size SAW device with conventional lithography and their application for toxic chemical vapor detection has been presented. The SAW devices with different interdigital transducer (IDT) electrodes line widths were designed and fabricated. The fabricated SAW devices features had an accuracy of ± 0.1 μm. Frequency response of the SAW devices was measured with vector network analyzer for design parameter confirmation. The fabricated devices have been configured in multisensory oscillator configuration and tested with chemical ware fare agents simulants at very low concentration (ppb).
Study of Three-Dimensional on-line path Planning for UAV based on Pythagorean Hodograph Curve
Authors: Yi Zhang , Xiu-xia Yang , Wei-wei Zhou , He-wei Zhao
Published: November 2017

For the demand of the UAV autonomous path planning in dynamic thread environment, the three-dimensional path planning algorithm on-line of UAV based on Pythagorean Hodograph (PH) curve is put forward. According to the UAV’s current flight state such as location and speed, and the interrupt point or the target’s state, a flyable path with continuous curvature is planed out online. The roles of the key parameters are analyzed and the range of the values are given. On this basis, the distribution estimation algorithm is used to optimize the selection of path parameters, which avoid the blindness iterative process and consider the kinematics constraints such as the curvature, torsion and climbing angle. The multiple UAVs’ three dimensional path planning in dynamic environment are tested. Simulation results prove the validity and practicability of the algorithm.
Prototyping using a Pattern Technique and a Context-Based Bayesian Network in Multimodal Systems
Authors: Zaguia Atef , Tadj Chakib , Ramdane-Cherif Amar
Published: November 2017

Today, technology allows us to produce extensive multimodal systems which are totally under human control. These systems are equipped with multimodal interfaces, which enable more natural and more efficient interaction between man and machine. End users can take advantage of natural modalities (e.g. audio, eye gaze, speech, gestures, etc.) to communicate or exchange information with applications. In this work, we assume that a number of these modalities are available to the user. In this paper, we present a prototype of a multimodal architecture, and show how modality selection and fission algorithms are implemented in such a system. We use a pattern technique to divide a complex command into elementary subtasks and select suitable modalities for each of them. We integrate a context-based method using a Bayesian network to resolve ambiguous or uncertain situations.
Fragrance Measurement of Scented Rice using Electronic Nose
Authors: Jana Arun , Bhattacharyya Nabarun , Bandyopadhyay Rajib , Tudu Bipan , Mukherjee Subhankar , Ghosh Devdulal , Roy Jayanta Kumar
Published: November 2017

This article describes about an instrument and method for aroma based quality detection of Basmati and other aromatic rice varieties. It comprises few modules such as odour delivery module, sniffing module, water bath module and computing module. Odour handling module helps to deliver odour to the sensor array; a sniffing unit comprising a sensor array module that includes a eight number of metal oxide semiconductor sensors assembled on a printed circuit board, said printed circuit board fitted into a sensor chamber; a water bath module for preparing rice sample, said water bath module including a heater attachment to facilitate cooking; a computing module to quantify the aroma data acquired by sensors; data acquisition module etc. Principal Component Analysis (PCA) implemented for clustering the data sets acquired from sensor array. Also data generated from sensor array was fed to Probabilistic Neural Network (PNN), Back-propagation Multilayer Perceptron (BPMLP) and Linear Discriminant Analysis (LDA) for identification of different rice varieties. Finally, for aroma quantifying, pure-quadratic response surface methodology model used with mean square error (MSE) 0.0028.
Seladg: Secure Energy Efficient Location Aware Data Gathering Approach for Wireless Sensor Networks
Authors: Juliana M. Roseline , Srinivasan S.
Published: November 2017

Recent trends in wireless sensor networks leads to the development of new protocols for data gathering. In this paper, a secure energy efficient location aware data gathering approach is introduced to secure data gathering. An Elliptic Curve Diffie Hellman Key Exchange (ECDHKE) algorithm is utilized for key generation and key exchange between the sensor nodes to maintain security and prevent the data from malicious nodes. The performance of the proposed scheme is validated in terms of packet drop, throughput, energy consumption, residual energy and network lifetime. The proposed scheme achieves better performance than the existing EEHA and SMART schemes.
Dynamic Performance Influences on HOPF Bifurcation Characteristics for Vehicles
Authors: Zhu Haiyan , Wu Pingbo , Zeng Jing , Mai Guoyao
Published: November 2017

This study compares the performance influences for four kinds of tread contour features commonly used in High-Speed trains. The Hopf bifurcation characteristic influencing the dynamic performance for VEHICLE 1 and VEHICLE 2 were analyzed using mathematical matrices models. SIMPACK software was used to create two dynamic models for VEHICLE 1 and VEHICLE 2 for high speed trains equipped with four kinds of treads matched with Chinese 60 rail. Dynamic performance indices for these models were studied during operation in straight track conditions with imposed high interference German track irregularity spectra with the premise of dynamic performance normalized indices processing. The study shows that: VEHICLE 1 exhibits a subcritical bifurcation characteristic under different wheel-rail matching conditions. VEHICLE 2 dynamic performance index values do not increase as speed increases, but wear index gradually increased with increased speed. Vehicles with different structural parameters, wheel-rail matching greatly influences bifurcation stability, comfort and wheel-rail wear. This method indicates an important reference value for wheel-rail matching in high-speed trains and structural parameters of stability and safety for these vehicle systems.
The Use of Artificial Neural Networks in the estimation of the Perception of Sound By the Human Auditory System
Authors: Riordan D. , Doody P. , Walsh J.
Published: November 2017

The human auditory system perceives sound in a much different manner than how sound is measured by modern audio sensing systems. The most commonly referenced aspects of auditory perception are loudness and pitch, which are related to the objective measures of audio signal frequency and sound pressure level. Here we describe an efficient and accurate method for the conversion of the sensed factors of frequency and sound pressure level to perceived loudness and pitch. This method is achieved through the modeling of the physical auditory system and the biological neural network of the primary auditory cortex using artificial neural networks. The behavior of artificial neural networks both during and after the training process has also been found to mimic that of biological neural networks and this method will be shown to have certain advantages over previous methods in the modeling of auditory perception. This work will describe the nature of artificial neural networks and investigate their suitability over other modeling methods for the task of perception modeling, taking into account development and implementation complexity. It will be shown that while known points on the perception scales of loudness and pitch can be used to objectively test the suitability of artificial neural networks, it is in the estimation of the perception of sound from the unknown (or unseen) data points that this method excels.
Research on Lateral Stability of four Hubmotor-in-Wheels Drive Electric Vehicle
Authors: Jin Biao , Sun Chuanyang , Zhang Xin
Published: November 2017

This paper focuses on the problem of lateral stability of four hub-motor-in-wheels drive electric vehicle, 7 DOF (degrees of freedom) vehicle simulation model which is verified by field test is established based on Matlab/Simulink software. On basis of simulated model, BP neural network PID torque distribution controller of lateral stability is proposed. The sideslip angle at mass center and yaw rate are selected as the control variables, and the BP neural network PID torque distribution controller is designed. The simulation result shows that proposed strategy can control the electric vehicle’s sideslip angle at mass center and yaw rate, avoid the under steer and over steer of the vehicle and improve the vehicle lateral stability.
Optimal Cluster Head Number Based On Entroy For Data Aggregation In Wireless Sensor Networks
Authors: Yang Mingxin
Published: November 2017

abstract

In-network data aggregation plays an important role on energy consumption from the point of reducing the amount of communication in cluster-based wireless sensor networks. The selection of cluster heads is usually based on two criteria which are the number of cluster heads network needed and the times of every node serving as the cluster head. Too much or too little cluster head number will shorten the network lifetime for the energy premature depletion of some sensor nodes, so it has a great significance to select the optimal cluster heads number for wireless sensor networks. Based on the information rate-distortion function and network energy model, we propose an algorithm OCHN which calculates the optimal cluster head number for the minimal energy consumption, and further gets the optimal cluster head ratio in the process of data aggregation. Simulation results demonstrate that our proposed algorithm is energy efficient, and the comprehensive performances of network lifetime and data transmission are good for data aggregation in wireless sensor network
Fast Rcs Modeling For Dynamic Target Tracking
Authors: Hua Xiang , Yuan Wuwei , Lei Bin
Published: November 2017

Radar scattering cross section (RCS) is an important parameter characteristic of exterior trajectory tracking system especially in moving state. The paper researches calculation method of RCS based on integral method from Maxwell equation, makes hybrid algorithm combined moment method and physical optics, by establishing the target modeling, uses FEKO to simulate the target RCS and complete fast modeling method research under static conditions. And then it discusses the accuracy of exterior trajectory radar tracking system in experiment, analyzes relationship between RCS with external trajectory and flight attitude, according to the static RCS characteristics with the same type of target in different station arrangement, inducts statistical rules fit the dynamic RCS statistical characteristics in space movement, analyzes its fluctuation rule, and build motion functions of relative angle between target gesture and radar incident direction, then gets RCS compute method during dynamic flight. We design the dynamic RCS simulation experiment under multiple arrangements, multiple targets and multiple angles, and explain simulation results
Amn-Pso Method For Jamming Unmanned Aerial Vehicle Network
Authors: Yu ZHANG , Feng LIU , Jie HAN
Published: November 2017

UAVs are attracting more and more attentions for their versatilities and low costs. This paper focuses on their security and considers launching jamming attacks on them. We firstly formulate the UAVs jamming problem. Secondly the PSO (Particle Swarm Optimization) algorithm is introduced and new metrics like AJRL (Area for jamming a receiving link) and NJRL (Number of AJRLs) are defined. Then we provide a new jamming method AMN-PSO (Achieving Maximal NJRL based on PSO) for UAVs jamming attack. AMN-PSO includes the Tabu search concept to improve its performance. For evaluating the performance, AMN-PSO method together with other methods are simulated comprehensively. The simulation result shows that AMN-PSO performs better than other methods
Data Compression And Visualization For Wireless Sensor Networks
Authors: Imam Ahadul , Chi Justin , Mozumdar Mohammad
Published: November 2017

A basic tenet of wireless sensor networks is that processing of data is less expensive in terms of power than transmitting data. A data compression method is proposed to limit the amount of data transmitted within the network. In this paper, we propose a novel data compression algorithm suitable for low power computing devices. In our method, a data point density algorithm is used to determine which points to discard in a given data region. This algorithm is applied to uniform sections throughout the entirety of the data set. Regions with the highest data point density will be represented by a single point. The resulting data points then form the compressed data set. The transmission and subsequent processing of this compressed data set will cause less strain on the network than the original data set, while still maintaining the required information of the original data set. A tool is developed to test the method and compare it with other methods
Kinematic Trajectories Reconstruction Based On Motors Encoders Feedback For A Rover Skidsteering Robot
Authors: Giannoccaro Nicola Ivan
Published: November 2017

In this paper some procedures for accurately defining the kinematic trajectories described by skid-steering robots by using only the kinematic data of the wheels (or tracks) are presented and discussed. These procedures have been analysed with several experimental tests carried out moving a rover skid-steering robot on different surfaces. The particularity of the skid steering mobile robots is the presence of the high slippage effects that heavily influence the correct kinematic reconstruction by using the classical kinematic equation. For this reason, the possibility of using particular strategies based on the instantaneous centre radiuses is here considered; these strategies use parameters such as the equivalent ‘carriageway’, the slipping coefficients and the slipping ratio for including the effect of vehicle dynamics. Moreover, the effect of different surfaces is evident on the parameters that characterize the considered strategies for kinematic reconstruction; anyway, the high repeatability of the experiments carried out on the same conditions and a certain trend of the slipping ratio that seems to characterise the different types of surfaces, allow foreseeing positive developments of the considered strategies. The experiments have been carried out on a particular skid-steering robot (rover 4WD1); the generalization of the results for other types of skid-steering robot may be easily foreshadowed.

The original value of the paper is related to the systematic experimental validation of the procedures indicated and to the comments that may be very useful in defining the limits of the procedure for the kinematic reconstruction with high slipping effects
Selecting the Optimal Multidimensional Scaling Procedure for Metric Data With R Environment
Authors: Walesiak Marek , Dudek Andrzej
Published: November 2017

In multidimensional scaling (MDS) carried out on the basis of a metric data matrix (interval, ratio), the main decision problems relate to the selection of the method of normalization of the values of the variables, the selection of distance measure and the selection of MDS model. The article proposes a solution that allows choosing the optimal multidimensional scaling procedure according to the normalization methods, distance measures and MDS model applied. The study includes 18 normalization methods, 5 distance measures and 3 types of MDS models (ratio, interval and spline). It uses two criteria for selecting the optimal multidimensional scaling procedure: Kruskal’sStress-1 fit measure and Hirschman-HerfindahlHHIindex calculated based on Stress per point values. The results are illustrated by an empirical example.
Analysis of the effect of circulating pumps on the vibration of the SOLARIS synchrotron base plate
Authors: Korbiel Tomasz , Nowak Marcin , Pawluś Michał
Published: November 2017

Advanced research equipment like the SOLARIS synchrotron requires specific working conditions. One of the major disturbances are vibrations of the synchrotron foundation plate, derived from internal equipment and external sources. The purpose of the present research was to identify the dominant sources and to analyze the wave propagation path. In basic research, a set of circulating pumps for cooling liquid was selected and under controlled conditions measurements were made. As a result of the analysis of the data obtained, was revealed an inability to which could affect the work of the synchrotron. The paper presents partial results and conclusions from the research conducted.
Experimental and analytical investigation of circular thin plate
Authors: Chiliński Bogumił , Mańkowski Jarosław
Published: November 2017

The paper demonstrates modelling and analysis of the thin circular plate. Numerical and analytical methods were used to analyse the problem. The introduction is about the vibrations of thin circular plate made from steel. Boundary conditions and constitutive equation on dynamics of the plate were shown. Moreover, the model of vibrations of the thin plate was presented. Next part shows the concept of test stand. It is based on Bruel & Kjer impedance tube, Polytec laser vibrometer and white noise generator. The research of thin steel plates was done. The eigenfrequencies and modes of vibrations were found using theoretical and experimental methods. Moreover, comparison between obtained results was shown. Last but one chapter presents the influence of support stiffness on vibrations spectra. Abstract model was used to explain the difference between experimental and theoretical results. The summary of the whole paper includes discussion on the obtained results and synthetic conclusions about vibrations of the considered system. Conclusions also show further application of this investigation.
Analytic study on the foundation of shaker based on AIR spring
Authors: Liang Xiaohua , Zheng Jing , Qiu Hanping , Zhao Wei , Liu Xuefeng
Published: November 2017

In view of the limitation of the traditional installation method of the shaker placed on the floor structure, a method of foundation isolation based on the AIR spring is proposed. According to the dynamic characteristics of the AIR spring, the relationship between the natural frequency and the parameters, such as the air pressure and the weight of the load, are analyzed. In order to evaluate the coupling properties between the vibration isolation system and the vibration test system, the factors affecting the vibration isolation transfer function of the system and the response of the foundation under vibration excitation were analyzed. Test results revealed that: it is feasible to adjust the natural frequency of system, to obtain the good isolation performance and stationary dynamic response, by reasonably choosing the structural parameters of the AIR spring and adjusting the internal inflation pressure of spring.
Numerical simulation analysis of four-step variable-diameter pipe by solid-liquid two-phase grinding
Authors: Li Jun Ye , Hu Jing Lei , Meng Wen Qing , Zang Xiang , Zhang Xin Ming
Published: November 2017

In order to investigate the effect of abrasive flow on the polishing effect of variable diameter pipe parts, taking the fourth-order variable-diameter pipe part as the research object, the solid-liquid two-phase abrasive grains are used as the processing method of the fourth-order variable-diameter pipe, the numerical simulation of the machining process of the four-order variable-diameter pipe parts were carried out. Analysis of different inlet speed conditions, the dynamic pressure and the distribution of turbulence intensity of the flow field of the fourth order variable diameter pipe. Through comparative analysis, the effects of the four-stage variable-diameter pipe flow field are studied, which can provide the theoretical basis for the continuous improvement of the abrasive flow precision and ultra precision machining technology, which can improve the efficiency of abrasive flow processing, so that the workpiece fatigue strength is improved, enhance the reliability of the workpiece, extend the service life of the workpiece.
Investigation of a family of cubic dynamic systems
Authors: Andreev Alexey , Andreeva Irina
Published: November 2017

A family of dynamic systems acting on a real plane x, y has been considered, which polynomial right parts are reciprocal forms of x and y, one is a cubic, and another is a square form. A problem to reveal all topologically different phase portraits possible for these systems in a Poincare circle with coefficient criteria of every portrait’s realization has been solved. A Poincare method of serial mappings – central and orthogonal – has been applied. Qualitative and quantitative results for phase portraits have been given. All stages of a solution process are described.
Research of synchronization of pneumatic vibroexciters operating on air-cushion with feeding pulsatile pressure
Authors: Pauliukaitis Darius , Kibirkštis Edmundas , Vaitasius Kęstutis , Ragulskis Kazimieras
Published: November 2017

A synchronization method of pneumatic actuators operating in autovibration mode and fed by pulsatile pressure has been investigated. A mathematical model was analysed numerically describing the dynamics of two vibroexciters connected through aerodynamic channel. The effect of parameters of pulsatile feed pressure on shapes of vibrations of vibroexciter’s working body has been determined. Values of geometrical and dynamical parameters at which synchronization of the mechanical system takes place have been determined. In this case, actuator’s movement law can be both harmonic and non-harmonic in case of pulsating amplitude.
Application of confidential intervals for verification of reservoir model at interpretation of well test data
Authors: Denisov S. V. , Lyalin V. E. , Grigorev I. M. , Sultanov R. O.
Published: November 2017

The information on arguments of an oil reservoir to a well test from the point of view of the Bayesian inference are express through even allocation of odds in room of arguments. In article application of confidential spacing for a quantitative appraisal of the information receive from the analysis of results of well test which one are us for upgrading of allocations of odds are offered. Use of confidential spacing for an appraisal of a correctness of a choice of a laboratory formation are show.
Dynamical behavior of universal rocket transportation launching device on rough road with discrete obstacles
Authors: Fedaravičius Algimantas , Pilkauskas Kęstutis , Sližys Egidijus , Survila Arvydas
Published: November 2017

Functioning of the universal rocket transportation launching device in its transportation mode is analysed in the paper. The device the main function of which is to launch rocket targets used in the training process of the anti-aircraft missile systems operators needs to function effectively in transportation mode as well – it has to move with relatively high speeds in training fields maintaining sufficient stability parameters of the rocket target movement. The universal rocket transportation launching device in transportation mode is modeled as a single axle trailer with a rocket target – long cylinder attached to it by suspension represented in the form of lumped parameter elastic damping elements. Dynamical models for the analysis of its vertical and roll motion dynamics were constructed and the corresponding mathematical models derived. The excitation signal reconstructing motion of the wheels traversing discrete cleats was applied. Crossing of the longitudinally shifted left and right-side cleats was identified as the worst case from the viewpoint of rocket target motion parameters stability. The obtained results are used for rocket target suspension development.
Predicting flood plain inundation for natural channels having no upstream gauged stations
Authors: Kaya C. Melisa , Tayfur Gokmen , Gungor Oguz
Published: November 2017

Flow hydrographs are one of the most important key elements for flood modelling. They are recorded as time series; however, they are not available in most developing countries due to lack of gauged stations. This study presents a flood modelling method for rivers having no upstream gauged stations. The modelling procedure involves three steps: (1) predicting upstream hydrograph by the reverse flood routing method which requires information about channel geometric characteristics, downstream flow stage and downstream flow hydrographs; (2) modelling flood wave spreading using HEC-RAS. The hydrograph predicted by the reverse flood routing in the first step becomes an inflow for the HEC-RAS model; (3) delineating the flood-risk areas by overlapping the Geographical Information System (GIS)-based flood maps produced by the HEC-RAS to the related orthophoto images. The developed model is applied to Guneysu Basin in Rize Province in Eastern Black Sea Region of Turkey. The model-produced flood map is compared to the observed one with success.
Educação ambiental e sustentabilidade: a Pegada Ecológica na Bacia Hidrográfica do Rio Cachoeira, Joinville, SC
Authors: Carletto Denise Lemke , Oliveira Therezinha Maria Novais de
Published: November 2017

Os impactos antrópicos e inadequados de apropriação do meio ambiente vêm impondo taxas incompatíveis com a capacidade de suporte dos ecossistemas naturais. A educação ambiental tem como desafio sensibilizar para a situação socioambiental, possibilitando uma compreensão das relações humanas com os recursos naturais e para os impactos local-global-local. A utilização de bacia hidrográfica como unidade de estudo, aliada a indicadores de sustentabilidade, propicia identificar diferentes aspectos de uma região e compreender o ambiente. Este trabalho teve como objetivo calcular a Pegada Ecológica da Bacia Hidrográfica do Rio Cachoeira (BHRC). Como metodologia para o cálculo da Pegada Ecológica, recorreu-se ao método desenvolvido por Mathis Wackernagel e Willian Rees e, como base para o cálculo, empregaram-se índices causadores de maior impacto nos ecossistemas: consumo de água, energia, combustível e geração de lixo. Os resultados mostraram que o modo de vida da população da BHRC tem imposto um nível de apropriação dos recursos considerado insustentável para a região, ou seja, 24 vezes mais do que a bacia poderia suportar. A metodologia da Pegada Ecológica pode contribuir nas ações de educação ambiental pela transparência que fornece e quanto ao uso dos recursos naturais.
Determination of Risk Factors and Treatment of Dry Eye Disease in Type 1 Diabetes Before Corneal Complications at Sindh Institute of Ophthalmology And Visual Sciences
Authors: Shujaat Shehnilla , Jawed Muhammad , Memon Shahzad , Talpur Khalid Iqbal
Published: November 2017

Objective:

The objective of this study was to assess and determine the risk factors and treatment of dry eye disease in type 1 diabetes before any ocular surface or corneal complication occurs. This study was conducted at Sindh Institute of Ophthalmology And Visual Sciences, Hyderabad, Pakistan.

Methodology:

Subjects and methods for observational study were undertaken at the Department of Ophthalmology Sindh Institute Of Ophthalmology And Visual Sciences, Hyderabad, Pakistan. Hundred confirmed cases of type 1 diabetes were included in the study by non probability convenience sampling. Tear film breakup time and schrimer test were carried out to determine dry eye disease. Data was collected by self-prepared questionnaire and entered and analyzed by using Statistical Program for Social Sciences (SPSS, version 20.0). The frequencies and percentage were recorded and any associations with predisposing factors were statistically analyzed by t test.

Results:

Out of hundred patients, 71 (71%) were found to have dry eyes (P<0.001). The mean age of the subject in this study was 50.97 years (range 30-70 years). Old age was related to high risk of dry eye disease (P<0.001). There was no big difference in the incidence of dry eyes in males and females. Long duration was found to be related with increased occurrence of dry eyes (P<0.001). We found higher values for abnormal tear film break up time than schirmer test values leading to increased occurrence of evaporative dry eyes.

Conclusion:

There is marked increase in frequency/ risk of developing dry eye disease in type 1 diabetes patients. Therefore, it is recommended to have periodic ophthalmic examination for type 1 diabetic patients.
The Effectiveness of Self-Assessment toward Understanding the Mathematics Concept of Junior School Students
Authors: Mahayukti Gusti Ayu , Gita I Nyoman , Suarsana I Made , Hartawan I Gusti Nyoman Yudi
Published: November 2017

This study aimed to analyze the effectiveness of self-assessment toward the understanding of the mathematical concept of high school students. The objects of this study were all non-superior students of grade VIII in SMP Negeri 2 Singaraja school year of 2015/2016. This research used random sampling technique. The research design used was post-test only control group design. Data understanding of mathematical concepts of students was obtained through the test description with the reliability of 0.71. The data obtained were analyzed using the t-test. The results of the analysis showed that self-assessment effectively improved students' understanding of mathematical concepts.
Vivência de mulheres frente ao câncer de mama: revisão da literatura brasileira / The experience of women facing breast cancer: a review of Brazilian scientific literature
Authors: Yoshinari Samantha Teófilo Valério , Yoshinari Júnior Gerson Hiroshi , Masson Marilia Vilela , Mello Luciana Fioretti de
Published: November 2017

O câncer de mama é a neoplasia mais incidente nas mulheres (exceto o câncer de pele não melanoma), justificando-se uma preocupação com seu impacto na vida dessas pacientes. Procedeu-se uma revisão integrativa da literatura nacional, buscando artigos relacionados ao tema na plataforma SciELO, utilizando-se os buscadores “câncer de mama” e “vivência”, sem restrições com relação ao período de publicação ou tipo de artigo, sendo recuperadas onze publicações. Da análise integrativa das publicações, conclui-se que a experiência de cada paciente com seu processo de doença é pessoal; porém, guarda algumas similaridades que devem ser identificadas e corretamente trabalhadas, posto que sentimentos conflitantes podem coexistir. Tais conflitos são evidenciados na identificação de distorções de autoimagem, sexualidade e a incerteza sobre o futuro, em contraposição à coragem para o enfrentamento, ressignificação da vida e a percepção do apoio familiar.Palavras-Chave: Neoplasias da mama; Acontecimentos que mudam a vida; Equipe de assistência ao pacienteBreast cancer is the most incident neoplasm in women (except for non-melanoma skin cancer). This fact justifies a concern on how it impacts on the life of the patients. We proceeded an integrative review of the national literature, in SciELO database, under the following keywords: "breast cancer" and " life experience." No restriction regarding the period of publication was imposed. We retrieved eleven articles. From the analysis of the publications, we concluded that the experience of each patient with their disease process is personal, but it does have some similarities that must be identified and correctly worked out since conflicting feelings can coexist. We highlight distortions on self-image, issues regarding sexuality and uncertainties about the future as negative factors. On the other hand, courage facing the future after the disease, life's meaning resignification, and family's support were identified as positive factors.Keywords: Breast neoplasms; Life change events; Patient care team
Anais da 37ª Semana Médica XIV Congresso Médico Acadêmico IX Congresso de Iniciação Científica, 24, 25, 26 e 27 de maio de 2017
Authors: De Itajubá Faculdade de Medicina
Published: November 2017

Revista Ciencias em Saúde - Anais da 37ª Semana Médica XIV Congresso Médico Acadêmico IX Congresso de Iniciação Científica, 24, 25, 26 e 27 de maio de 2017
Socio-Economic Determinism and Climate Change
Authors: Lane Jan-Erik
Published: November 2017

The global warming problematic is in reality decided not by the UNFCCC or IPCC with its mastodon meetings. The decisive players are the states of the following BIG polluters of CO2: China, India, Indonesia, Brazil, Russia Mexico, South Korea, Canada, Australia and the US, despite the fact that its present government already has defected from the common pool regime, set up in Paris 2017, These countries together with international shipping and aviation are putting out more than 50% of the CO2s. However, they are little interested, because they emphasize the policy-making of socio-economic development, either economic growth with rich countries or the “catch-up” strategy with poor or emerging economies. Resilience will decide which countries can support the consequences of climate change.
Normative Values of Bone Mineral Content and Bone Mineral Density Assessed by Double X-ray Absorptiometry in Congolese Urban Women
Authors: Kabenkama Joseph Médard Kabeya , Malemba Jean Jacques , Muamba Jean-Marie Mbuyi
Published: November 2017

Introduction: The World Health Organization (WHO) have validated dual X-ray absorptiometry as the “gold standard” densitometric technique for assessing Bone Mineral Density and the definitions of osteopenia and osteoporosis are based on its results Loss of bone mass with ageing or osteoprosis leads to decline of bone strength and fragility fractures. There are racial/ethnic differences in bone mass parameters for populations of different ethnic origins although living in the same environmental.

WHO criteria for the diagnosis of osteoporosis and the associated risks of fractures are based on bone parameters assessed by dual x absorptiometry in postmenopausal Caucasian women. Studies have shown the necessity to establish reference data for bone mass measurements for each population according to habit and ethnicity these data are lacking for Congolese populations.

This study aims to establish spine and hip normative values in healthy Congolese women population and to compare them with those for Caucasian, Asian, and others ethnical groups.

Materials and methods: 604 bantoues women were recruited after public media advertising and undergoes DXA of spine and hip. To be included in the study, women must fulfill the conditions of absence of factor affecting bone metabolism.

Results: Bone mass parameters shows a growth up to the peak that is reached in the fourth decade followed by a slow decay that causes a loss of nearly 14.2% in BMD and BMC over a period of 20 years and, then a decrease more pronounced towards the sixtieth year (1.5% yearly), higher than among Caucasians Asians and Arabs. We found that the references curves for the lumbar spine and total hip are significantly differences from the Caucasian, ASEAN or Arab.
An Analysis of “Emotion, Reason and Law” in Chinese Traditional Legal Culture
Authors: Li Boyang
Published: November 2017

Characteristics of the ancient Chinese law could be well summarized by the three words of “Emotion (Qing), Reason (Li) and Law (Fa)” which have formed the core spirit of the traditional Chinese legal culture. This paper is intend to clarify the relationship between the three words and consider that concepts of emotion, reason, and law are not independent but a union, showing different sides of the same procedure. Meanwhile, the dynamics of these three concepts form a more generalized concept of “law” in which “emotion (Qing)” is the basis and reason; “reason (Li)” represents the actual social norms and “law (Fa)” is the method to maintain social order.
A IMPROVISAÇÃO E O JOGO COM MÁSCARA NA FORMAÇÃO DO ATOR
Authors: Freixe Guy
Published: November 2017

Este artigo trata sobre a pedagogia do ator, onde as técnicas da máscara e da improvisação são as bases e instrumentos privilegiados para estabelecer o  jogo . Esta formação tem como influência a filiação Jacques Copeau-Jacques Lecoq- Arianne Mnouchkine, cujos trabalhos privilegiam o  jogo onde o homem age e pensa com o seu corpo, podendo inventar, com a máscara, um teatro poético..
ACONTECÊNCIAS: UM MOSAICO DA CONDIÇÃO HUMANA
Authors: Fensterseifer Paulo Evaldo , Goettems Lisiane , Burckardt Eduarda Virginia , Gehrke Carolina
Published: November 2017

O artigo recupera a trajetória de criação e desenvolvimento do Projeto Mosaico, ofertado no Centro de Educação Básica Francisco de Assis- EFA, Ijuí/RS, sob a coordenação geral de profissionais da Educação Física. Destaca à terceira oferta do Projeto Mosaico (2014), cujo tema gerador- a condição humana- teve mobilização inicial em oferta de disciplina no Curso de Licenciatura e Bacharelado em Educação Física- UNIJUÍ e se estendeu como potência de debate e vivência escolar, em exercício docente posterior. A perspectiva da condição humana e seus desdobramentos foram experimentados na dimensão de leituras, debates, colocados em experiências de lutas, ginástica, dança, canto, poesia, criação de movimentos, adereços, na exploração de cores, cenários, cenas e deram origem ao Mosaico- Acontecências. Nessa terceira edição, houve a participação de diferentes segmentos escolares (discente, docente, familiares, comunidade externa), formando interação entre diferentes idades (entre 5 anos a 70 anos de idade) que, mobilizados para encontros semanais, puderam explorar as comunicações corporais: verbais, sonoras e expressivas em ampliação de entendimentos acerca do tema gerador. Não nascemos humanos, nos tornamos humanos pela educação; reaprender a ver o mundo; vincular-se a historicidade em compreensão; os modelos civilizatórios; foram alguns dos debates estimulados. Como resultado, um esforço de tradutibilidade que exigiu escolhas e significações para as cenas que o Projeto Mosaico- Acontecências, em socialização artística reflexiva, levou ao palco escolar. Corpos que se manifestavam, interpelando a plateia a um esforço hermenêutico, por conta do que dançavam, lutavam, cantavam, entoavam. Criação, formação de teias, em um apreender que se fez conjuntamente, em compasso lento e aprofundado, em exercício de alteridade, em valorização as diferenças e provocações a interpretação.
"A COMPRA DO LATÃO: UM DIÁLOGO SOBRE A ARTE DE CONHECER
Authors: Junqueira Thereza de Jesus Santos
Published: November 2017

“A compra do latão”, de Bertolt Brecht, é um texto limite entre arte dramática e teoria. Pode-se dizer que a peça, ao “representar” as “realidades” do fazer teatral, apresenta, sugestiva e exemplarmente, a habilidade da arte em promover conhecimento, destacando ainda o saber diferenciado que propicia. Não se está a observar o cotidiano do teatro, mas uma apresentação desse cotidiano; não temos um observador que nos relata o que vê, mas sim personagens que falam a partir dos lugares (pontos de vista) construídos para elas. Em seu diálogo teatral, Brecht propõe um diálogo filosófico.
A IRONIA COMO UMA DAS SAÍDAS DO TEATRO PÓS-DRAMÁTICO
Authors: Santos Eduardo Almeida
Published: November 2017

O presente trabalho aborda as possibilidades do texto teatral que se constrói a partir do drama moderno até a obra considerada pós-dramática, quando o teatro contemporâneo se vê diante da crise e da possibilidade do fim do drama como elemento norteador das criações de encenação ou de dramaturgia. Logo, os diversos elementos que convergiam na construção deste norte se encontraram em suspensão. Ao refletir sobre uma série de obras cênicas contemporâneas, uma das saídas apontadas e analisadas por este estudo será o uso e o conceito da “Ironia” principalmente no texto Insulto ao público, de Peter Handke. É a ironia que atua no imperfeito, no contraditório e no vazio – que são partes constantes da dramaturgia de nosso tempo.
TEMPO VIBRADO E DIALÉTICA DA DURAÇÃO: PROVOCAÇÕES IMAGÉTICAS PARA A COMPOSIÇÃO RÍTMICA
Authors: Paris Andreia Aparecida
Published: November 2017

Este artigo trata de alguns conceitos fundamentais quando se trata de percepção e composição do ritmo no trabalho do ator e da atriz: Tempo, tempo e duração. Para ampliar a discussão e promover provocações serão apresentados os conceitos de Tempo Vibrados e Duração Dialética que Gaston Bachelard trata em seu livro A Dialética da Duração. Conceitos que Bachelard disserta a partir do livro La Rythmanalise de Lucio Alberto Pinheiro dos Santos, filósofo português desconhecido, cuja história também é abordada neste trabalho.
PROBLEMÁTICAS ÉTICAS E ESTÉTICAS A PARTIR DO EXEMPLO DE UMA PRÁTICA TEATRAL NA PRISÃO
Authors: Urban Marie
Published: November 2017

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Ear Nose Throat (ENT) disorders in Government Schools of Far-Western Nepal
Authors: Acharya Anup , Singh Madan Mohan , Shrestha Arati , Pokharel Bandana
Published: November 2017

Background: ENT disorders specially hearing impairment negatively impacts students’ development of academic, language and social skills. If left undiagnosed, these conditions may result in significant irreversible damage such as varying degree of hearing loss that can affect the social or professional performance of the individuals in later stages of life. Students going to government school in our country generally come from under privileged society. We investigated the occurrence of ENT diseases among various government school students in Kailali district.

Methods: Nine government school of Kailai district were chosen at random. All students of those school present on the day of examination went routine ENT examinations. Brief history, if any, was recorded and findings were noted. The study was done throughout the month of September, 2013.

Results: There were a total of 2256 students enrolled in the study. There were 1126 male and 1130 female students. Mean age of the students was 9.88 years. Forty One percent of students had ENT problems. Ear wax was the most common (17%) findings followed by suppurative ear diseases, otittis media with effusion as so on in decreasing frequency.

Conclusions: ENT diseases and specially ear diseases are important health problems among school children of Nepal. Regular school health services, screening program, public awareness, improvement of socioeconomic status, timely referral to a specialist doctor can help to reduce the disease-related burden.
Boiling heat transfer of nanofluids: A review of recent studies
Authors: Kamel Mohammed , Lezsovits Ferenc
Published: November 2017

Adding solid particles of nanometer scale to fluids is one of the most important passive methods of enhancing heat transfer performance. However, this gives numerous chances to investigate new frontiers, but also raises remarkable difficulties. Nanofluids act as suspension that can be obtained by dispersing nanometer-sized nanoparticles (1-100nm) in host fluids with the aim of enhancing thermal properties. This paper is a review of recent studies on boiling heat transfer of nanofluids for pool and convective flow boiling of nanofluids. The research results, collected since 2012 to present of the recent survey are reviewed and briefly outlined. An emphasis is put on the enhancement and the deterioration of the boiling heat transfer coefficient and critical heat flux of pool and convective flow boiling of nanofluids. Other important parameters affecting the boiling of nanofluids are identified and discussed in this review. While preparing future studies is greatly encouraged in order make this phenomenon well understood.
Experimental investigations of flow through wide angle conical diffusers with uniform flow and swirl type velocity distortions at inlet
Authors: Hemalatha Arumugam , Mahalakshmi Nainarkuppam
Published: November 2017

Swirl is a tangential velocity component of the fluid flow and is often present in the conical diffuser as a result of rotating machinery in the upstream section. The present experimental work is dedicated to study the effect of moderate swirl on wide angle conical diffuser performance and flow development. The experiments were performed in a low-speed open circuit wind tunnel. There are two different diffusers having a cone angle of 14? (with an area ratio 3.0) and 20? (with an area ratio 4.2) were selected for this investigation. The flow parameters have been measured using DANTEC DYNAMICS make constant temperature hot-wire anemometer (CTA). The results showed that the moderate swirl can significantly improve the stalled diffuser (20? cone angle) performance; however, it has a little effect on the diffuser (14? cone angle) having incipient turbulent boundary layer separation. It was confirmed that the introduction of moderate swirl reduces the chances of flow separation in wide angle conical diffusers.
EFEK PIN HOLE UNTUK MENEKAN EFEK MULTILENSA PADA KOMUNIKASI FREE SPACE OPTICS
Authors: Damayanti Tri Nopiani , Priambodo Purnomo Sidi
Published: November 2017

Teknologi FSOC pada jaringan teresterial memanfaatkan media atmosfer yang sangat terpengaruh kondisi cuaca sebagai media propagasi informasi sinyal optik. Pengaruh kondisi cuaca ini menyebabkan media atmosfer mengalami turbulens. Akibat turbulens atmosfer, teknologi FSOC dihadapkan oleh tantangan terbesar dimana salah satunya terjadi efek multi lensa akibat gradient temperature di atmosfer yang menyebabkan sinar meleset dari titik penerima.Gangguan yang terjadi pada FSOC bersifat random dan fluktuatif dalam domain spasial dan waktu sehingga dilakukan pendekatan secara statistik untuk menganalisa gelombang yang dipropagasikan pada sistem FSOC. Pengujian eksperimen penelitian melalui pendekatan dengan teknik SISO FSOC (Single-input single output) dengan menggunakan laser He-Ne pada panjang gelombang 632 nm. Sistem dirancang dengan menggunakan pin hole di receiver FSOC dimana pada eksperimen ini terjadi peningkatan nilai SNR sebesar 7.3443 dB saat sistem diuji menggunakan pin hole 10 Î¼m.