bluuebunny/crossref_metadata_2025 huggingface dataset:
Usos e apropriações dos celulares: uma perspectiva educacional
Authors: Angeluci Alan César Belo , Soares Silvana Comunian , Azevedo Adriana Barroso de
Published: June 2018

Abrangendo uma nova cultura digital instaurada no campo educacional, o texto busca compreender as particularidades dos usos e apropriações das principais mídias móveis utilizadas por jovens alunos brasileiros. A metodologia abrangeu pesquisa de campo, com aplicação de questionário, envolvendo a escolha de uma Escola Municipal, localizada no Município de São Caetano do Sul, São Paulo, como local para coleta de dados quantitativos. O questionário formulado teve o objetivo de cobrir os objetivos específicos da pesquisa e dispôs de 8 perguntas. Ademais, os resultados apontam que a cultura comunicacional da escola está distante das práticas cotidianas de comunicação digital dos alunos e ainda, na perspectiva do aluno, o celular é capaz de que incentivá-los a estudar mais, aumentando ainda a autonomia e troca de conhecimentos no ambiente escolar.
Initial surgical results of 500 Parathyroidectomies for Hyperparathyroidism related to chronic kidney disease - mineral and bone disorder
Authors: Neves Murilo Catafesta das , Rocha Lillian Andrade da , Cervantes Onivaldo , Santos Rodrigo Oliveira
Published: June 2018

ABSTRACT Introduction: Surgical treatment of hyperparathyroidism related to chronic kidney disease is a challenging procedure even for experienced parathyroid surgeons. Over the years, adjuvant techniques have been developed to assist the medical team to improve surgical outcomes. However, medical staff in poor countries have less access to these techniques and the effectiveness of surgery in this context is unclear. Objective: verify the effectiveness of surgery for treatment of hyperparathyroidism related to chronic kidney disease without adjuvant techniques. Methods: Over a 5-years period, patients with hyperparathyroidism that had clinical therapeutic failure were evaluated for surgical treatment. Total parathyroidectomy with autograft or subtotal resection were the selected procedures. Surgeries were performed in a tertiary hospital in Brazil without the assistance of some of the adjuvant techniques that are usually applied, such as frozen section, nerve monitoring, and gamma probe. Intraoperative PTH and localization pre-operative exams were applied, but with huge restrictions. Results: A total of 518 patients with hyperparathyroidism (128 secondary and 390 tertiary) were surgically treated. Total parathyroidectomy were performed in 81.5%, subtotal in 12.4%, and 61% of patients had a surgical failure. Of all failures, only 1.4% needed a second surgery totaling 98.6% of successful initial surgical treatment. Neck hematoma and unilateral focal fold paralysis occurred in 1.9% and 1.5%, respectively. Conclusion: parathyroidectomy is a safe and reproducible surgical procedure even in the absence of adjuvant techniques.
Plastic design of embedded retaining walls
Authors: Krabbenhoft Kristian
Published: June 2018

A systematic approach to the plastic limit state design of embedded retaining walls is described and exemplified by the design of singly-propped retaining walls. By considering the wall moment, the prop force and the embedment depth as design parameters, the proposed methodology identifies all possible combinations of these parameters. Secondly, with the full multitude of feasible plastic designs available, the question of which design is more suitable in terms of the serviceability limit state is addressed. Finally, the classic limit equilibrium approach to retaining wall design is revisited and a set of active and passive earth pressure coefficients with a verified accuracy of ±1% is presented.
Hindu Düşünür Dayananda Sarasvati’nin Kur’ân’a Yönelik Eleştirileri
Authors: KUTLUTÜRK Cemil
Published: June 2018

Farklı din mensuplarının birbirlerine karşı yazdıkları

savunma veya eleştiri içeren metinlerden oluşan reddiye geleneği, Dinler

Tarihi için önemli

bir çalışma

alanıdır. Ülkemizde

Yahudi-Hıristiyan-Müslüman

reddiye geleneğini konu alan çok kıymetli çalışmalar

mevcuttur. Fakat kökleri İslâm’ın ilk

yıllarına

kadar uzanan Hindular ile Müslümanlar

arasındaki

ilişkileri ve her iki dinî geleneğe mensup bireylerin birbirlerine yönelik

bakışını konu

edinen çalışma

yok denecek kadar azdır. Bu alana katkı sunmak amacıyla kaleme alınan bu yazıda, fikirleriyle modern dönem Hindu düşüncesine

yön vermiş

ve Arya Samac hareketinin kuruculuğunu üstlenmiş olan Dayananda Sarasvati’nin,

Kur’ân-ı Kerim’in üslubuna

ve muhtevasına

dair eleştirileri incelenmiştir. Konu daha ziyade onun Satyarth Prakaş (Hakikat Nuru)

adlı

eserine dayanılarak

ele alınmıştır.

Böylece Hindu-Müslüman reddiye geleneği hakkında okuyuculara bilgi verilmiş ve bu alanda yeni

çalışmaların yapılması

hususunda birikimli araştırmacıların teşvik edilmesi amaçlanmıştır
Şinasi Gündüz, İslam ve Sâbiîlik
Authors: ALICI Mehmet
Published: June 2018

Ülkemizde gnostik gelenekler konusunda yetkin çalışmalara imza atan ve gnostik düşüncenin akademik çevrelerde bilinmesini sağla-yan Şinasi Gündüz, son kitabıyla hem gnostik bir gelenek olarak Sâbiîliğin temel hareket noktalarını arz etmekte ve hem de İslam’la bir karşılaştırma yaparak oryantalist iddiaların sağlam bir zemine oturmadığını açık etmektedir. Gündüz’ün İslam ve Sâbiîlik başlığıyla kaleme aldığı bu çalışma başta konuya ilgi duyan genel okur kitle-sine hitap etmektedir. Bununla birlikte özellikle ilahiyat alanında bu hususta araştırma yapan akademisyenlere konuya ilişkin doğru bil-giyi vermeyi hedeflemektedir. Müellif, oryantalistlerin iki gelenek arasındaki benzerlik iddialarını ve pozitivist perspektifi tartışmaya açmaktadır. Bunu yaparken de her iki dinî geleneğin temel kaynak-larından hareket ederek konunun daha iyi anlaşılması açısından karşılaştırmalı bir yöntem uygulamaktadır.
Types of Preparation and Their Interrelation in the Process of Training Athletes with Disabilities in Armsports and Powerlifting
Authors: Roztorhui M. , Perederii A. , Tovstonoh O.
Published: June 2018

The study objective is to reveal the interrelation between the types of preparation in the process of training athletes with disabilities in armports and powerlifting.
Materials and methods. The study involved 54 coaches from fifteen Invasport regional physical activity and sports centers for people with disabilities. The study used: analysis and collation of scientific and methodological literature; sociological methods (questionnaires); methods of mathematical statistics. In order to determine the average indicators of demographic data on the respondents and the answers to quantitative questions, the study calculated the arithmetic mean (X) and the mean square deviation (σ). The statistical processing of the study materials was carried out using the Microsoft Excel 2010 software package and the Statistica 6.0 software.
Results. The analysis of the respondents’ answers allowed to reveal nosological peculiarities of preparing athletes of various qualifications, which indicates the need to ensure high percentages of technical preparation and a specific approach to tactical preparation of athletes with disabilities in powerlifting and armsports. The study found that the interrelation between the types of preparation of junior athletes in powerlifting and armsports involves high percentages of physical and technical training. In the process of improving the athletes’ sports skills, the percentage of physical and technical training decreases, and the specific component of other types of preparation increases.
Conclusions. The study has revealed the regularities of interrelation between the types of preparing athletes of various qualifications and has determined the recommended percentages of physical, technical, theoretical, tactical, mental, and integral preparation in the process of improving the athletes’ sports skills in powerlifting and armsports.
Diversification of Educational Technologies in Professional Preparation of A Physical Education Teacher
Authors: Yarmoschuk O. , Vasylyuk V.
Published: June 2018

The study objective is to analyze some of the modern mobile technologies actively used in the educational process and to identify the criteria and conditions for their effective use.
Materials and methods. Within one module, the experimental group (n=23) was taught the subject “Testing and control in physical education” with the use of mobile applications, and the control group (n=20) - with the use of traditional forms of teaching. To achieve the objective set, the study relied on the following theoretical methods: analysis and synthesis, systematization, comparison, generalization of scientific sources. To assess the impact of using mobile programs on students’ success rate, the study used the Student’s t-test, to determine the consistency of expert opinions on each factor, it used the coefficient of variation, and to establish a relationship between the indicators, the correlation analysis was used.
Results. The paper highlights the mobile applications used by the authors when teaching students-future physical education teachers, namely Socrative, NearPod, LearningApps, and Skribing.
Applying the expert assessment method, the authors have defined and confirmed the factors that influence the effectiveness of using mobile technologies and the functions and conditions of their usage. The factors were classified according to their functions into informative and activity-related, emotional-motivational, and operational-organizational. The consistency of expert opinions on these factors by the coefficient of variation (V) ranges from 8.33% to 14.81%.
Conclusions. Mobile educational technologies are rather attractive for both students and instructors. They help more objectively evaluate students’ abilities and knowledge and stimulate to look for new, non-traditional forms and methods of teaching.
The introduction of new modern interactive technologies into the educational process, as well as the diversification of existing ones, ensures a gradual transition of education to a new, quality level and allows to solve complicated and important tasks of shaping professional competencies of physical education and sports specialists.
Strength Abilities: Features of Their Development in Girls of Middle School Age
Authors: Veremeenko V. Yu.
Published: June 2018

The study objective is to determine the dynamics of strength preparedness of middle school girls. Materials and methods. The participants in the study were 6th grade girls (n=20), 7th grade girls (n = 27), 8th grade girls (n = 30). The study used analysis and collation of scientific and methodological literature, pedagogical testing and methods of mathematical statistics for processing research results. The IBM SPSS 23 statistical analysis software was used to process the study materials. The study calculated the following parameters: arithmetic mean of the value (X); standard square deviation (s), mean difference. The probability of difference in statistical indicators was estimated using the Student’s t-test. Results. The analysis of the test results of the 6th-7th grade girls showed statistically significant differences in the set of tests (p<0.05). For the 7th grade girls, the largest increase was observed in the strength indicators of shoulder muscles, abdominal and back muscles, strength indurance of leg muscles. For the 6th-8th grade girls, statistically significant differences were observed in the strength and strength endurance indicators of shoulder muscles, abdominal and back muscles, leg muscles, speed qualities (p<0.05). The study did not observe any statistically significant differences in the set of tests (p>0.05) for the 7th-8th grade girls, there was only an increase in the strength endurance indicators of leg and back muscles. Statistically significant differences were observed in the frequency of arm movements test (p<0.001). Conclusions. The girls of middle school age demonstrate a positive dynamics in the development of motor preparedness. The largest increase is observed in the strength and strength endurance indicators of shoulder, abdominal, back, and leg muscles.
Teaching Methods Used in Primary Education for Making Physical Education Class More Effective
Authors: Bădicu G.
Published: June 2018

The objective is to demonstrate the importance of games that involve movement and of applicative pathways planning for making the class of physical education and sports in primary education more effective. Materials and methods. The participants in the research were 52 pupils (males: n=28 and females: n=24). The experiment was carried out between November 2016 and May 2017, at Andrei Mureşanu High School in Brasov county. In order to optimize physical education classes, we used dynamic games and applicative pathways throughout the research and within the instructive and educational process. Results. The average of the results of the final tests highlighted statistically significant differences compared to the initial test, for all students taking part in the experiment, with a materiality threshold of p<0.05. Conclusions. The experiment showed that the final scores achieved by the experimental group were much higher compared to the initial test. The use of movement games and applicative pathways led to an increased attractiveness of physical education classes, as the pupils took more pleasure in taking part in the teaching process. During the physical education class, teachers should use as many dynamic games as possible, as well as applicative pathways, routes etc., taking into account the positive effects that these factors have on the attractiveness of the teaching process. It is also important to take into consideration children’s physical and psychological characteristics when organizing these activities.
Movement Coordination: Identification of Age-Related Dynamics of its Development in Girls Aged 11-13
Authors: Ivashchenko O. V. , Khudolii O. M. , Iermakov S. S. , Prykhodko V. V. , Cieslicka M.
Published: June 2018

The study objective is to determine the possibility of identifying the state of coordination abilities development in girls aged 11-13 using the methodology of multidimensional statistics.
Materials and methods. The study involved girls aged 11 (n=20), 12 (n=23), 13 (n=19). To evaluate motor preparedness, the study recorded the results of motor tests, body height and weight. The IBM SPSS 20 statistical analysis software was used to process the study materials. A discriminant analysis was performed.
Results. To identify the level of coordination abilities development in girls aged 11, 12 and 13, the following tests can be used: test 4 “Pull-ups (number of times)”, test 2 “Standing long jump (cm)”, test 6 “Evaluation of the sense of movement speed in sprinting”, and test 9 “Static equilibrium evaluation by E. Ya. Bondarevsky’s method”, which characterize relative and speed strength, the sense of running speed and vestibular stability.
To identify the state of coordination abilities development in girls aged 12-13, the following tests can be used: test 12 “Rhythmic hand tapping”, test 13 “Rhythmic movements of upper and lower limbs”, test 5 “Sit-ups in 30 seconds”, test 7 “Evaluation of the ability to differentiate movement speed (reproduction accuracy of running speed at 80% intensity of maximum)”, which characterize the movement coordination of different parts of the body, strength endurance of abdominal muscles, and the evaluation of the ability to differentiate movement speed.
Conclusions. A discriminant analysis made it possible to determine informative indicators for a comprehensive control of coordination abilities development in girls aged 11-13; to answer the questions as to how the states of coordination abilities development in girls aged 11, 12 and 13 significantly differ; what motor tests most substantially influence the differentiation of classes; what class the object belongs to based on the values of discriminant variables.
Kabuk ve ambrosya böceklerine karşı alternatif mücadele olarak entomopatojen fungusların kullanımı
Authors: KUSHİYEV Rahman , TUNCER Celal , ERPER İsmail
Published: June 2018

Kabuk ve ambrosya böcekleri (Coleoptera: Curculionidae: Scolytinae ve Platypodinae) dünyanın birçok ülkesinde orman ve meyve ağaçlarını ciddi şekilde tehdit eden önemli zararlılardır. Bu böceklerin hayatlarının uzun bir dönemini ağaçların içerisinde geçirmeleri, sadece ergin dönemde ağaçları terk etmeleri, birden fazla türün aynı bitki türü üzerinde zararlı olabilmesi ve bu türlerin ergin çıkış dönemlerinin uzun bir zaman dilimine yayılıyor olması gibi nedenlerle kimyasal mücadeleleri oldukça zor olmaktadır. Bu nedenle, söz konusu mücadele birden fazla kimyasal uygulama yapılmasını gerektirmektedir. Diğer yandan kimyasal mücadelenin bilinen olumsuzlukları nedeniyle bu zararlılarla mücadelede alternatif yaklaşımlara ihtiyaç duyulmaktadır. Bu açıdan entomopatojen funguslar kabuk ve ambrosya böcekleri gibi ağaç dokuları içinde yaşayan zararlıların mücadelesinde oldukça uygun biyolojik mücadele etmenleridir. Entomopatojen funguslar sadece ergin ölümlerine neden olmakla kalmamakta, aynı zamanda bu böceklerin galerileri içerisinde horizontal ve vertikal yolla taşınarak böcek popülasyonunu önemli derecede düşürmektedir. Ayrıca, entomopatojen funguslar kabuk ve ambrosya böcekleri üzerinde repellent (kaçırıcı) etkilere de sahiptir.  Diğer yandan bu fungusların kitle üretimleri ve preparat haline getirilmeleri diğer birçok biyolojik etmene göre daha kolaydır. Halen bazı zararlı böceklerin biyolojik mücadelesi için ruhsat almış entomopatojen fungus preparatları piyasada mevcuttur. Ayrıca doğal koşullar altında yapılan çalışmalarda kabuk ve ambrosya böcekleri üzerinde etkili olan entomopatojen funguslara sıkça rastlanmaktadır. Sonuç olarak, bu çalışmada entomopatojen fungusların kabuk ve ambrosya böcekleriyle biyolojik mücadelede alternatif olarak kullanılabilme potansiyelleri değerlendirilmiştir.
On Zero-Modified Poisson-Sujatha Distribution to Model Overdispersed Count Data
Authors: Da Silva Wesley Bertoli , Ribeiro Angélica Maria Tortola , Conceição Katiane Silva , Andrade Marinho Gomes , Neto Francisco Louzada
Published: June 2018

In this paper we propose the zero-modified Poisson-Sujatha distribution as an alternative to model overdispersed count data exhibiting inflation or deflation of zeros. It will be shown that the zero modification can be incorporated by using the zero-truncated Poisson-Sujatha distribution. A simple reparametrization of the probability function will allow us to represent the zero-modified Poisson-Sujatha distribution as a hurdle model. This trick leads to the fact that proposed model can be fitted without any previously information about the zero modification present in a given dataset. The maximum likelihood theory will be used for parameter estimation and asymptotic inference concerns. A simulation study will be conducted in order to evaluate some frequentist properties of the developed methodology. The usefulness of the proposed model will be illustrated using real datasets of the biological sciences field and comparing it with other models available in the literature.
Generalized Beta Regression to Elicit Conditional Distributions of Medical Variables
Authors: Magrini Alessandro , Luciani Davide , Stefanini Federico Mattia
Published: June 2018

Univariate conditional models are of core importance in supporting medical reasoning, as they allow to decompose a joint probability distribution using the chain rule. Although several methods are available for the elicitation of the joint prior distribution of parameters when the response is a medical categorical variable, the case of a medical continuous response is typically difficult to address, because its sample space is often bounded to an interval and its relationship with explanatory variables may be not linear. In these situations, the elicitation of an informative prior distribution on parameters of a univariate conditional model is challenging, because some level of statistical training is required to a medical expert for interpreting parameters and for retrieving appropriate quantitative information about them. The task can be eased and made efficient by recognizing that physicians typically distinguish among values involving medically normal and pathological patient conditions on the grounds of their personal clinical experience. In this paper, we propose a Generalized Beta regression where parameter elicitation is performed by establishing a correspondence among measured values expressed as relative positions within intervals with a clinical interpretation, regardless the original scales of variables. Software implementing the elicitation procedure is freely available.
Dependence of the 8-plate position inhemiepiphysiodesis on the X-ray parameters of the epimetaphyseal bone junction
Authors: Kenis Vladimir M. , Morenko Ekaterina S. , Sapogovsky Andrey V.
Published: June 2018

Introduction. To correct axial deformities in children at the knee joint level, the method of “guided growth” using the 8-plate is applied. Despite the widespread use of this method, the toolkit for its implementation was developed mainly for patients with idiopathic deformities and does not take into account the features of the epimetaphyseal bone junction in children with skeletal dysplasias.
Aim. To develop X-ray criteria that characterize anatomical features of the epimetaphyseal region of the bone to predict possible difficulties associated with the position of the metal structure in hemiepiphysiodesis.
Materials and methods. We developed calculations of the X-ray parameters of the epimetaphyseal junction of the bone (angle of the epimetaphyseal junction and index of the epimetaphyseal junction) in 58 patients (107 lower limbs) with axial deformities in the frontal plane at the knee level in skeletal dysplasias (main group). The control group included 50 children (67 lower limbs) with identical deformities but without a primary lesion of the growth plate in which similar calculations of the X-ray parameters were performed. In stage I of the study, all patients were admitted to the Department of the Turner Research Institute for Children’s Orthopedics for temporary hemiepiphysiodesis using the 8-plate to correct axial deformities of the lower extremities at the knee joint level. In stage 2, the metal structure position was evaluated after the operative treatment that adhered the plate to the bone metaphysis. A total of 255 plates were fixed: the hemiepiphysiodesis of the femur was performed in 138 cases and of the tibia in 117. Pearson correlation coefficient analysis was performed by using IBM SPSS Statistics version 23 software.
Results. Among the patients who underwent surgical interventions using the method of guided growth, incomplete adherence of the plate to the bone was observed in 43 (17.3%) of 255 fixed plates because of the anatomical features of the epimetaphyseal region and more often in patients with skeletal dysplasias.
Conclusion. We developed X-ray criteria for the angle of the epimetaphyseal junction and the index of the epimetaphyseal junction that are recommended for prediction of the position of metal structures.
The lower limit for meter in dance drumming from West Africa
Authors: Polak Rainer
Published: June 2018

Human rhythm perception and sensorimotor synchronization are both constrained by temporal thresholds on several levels. The lower limit for durations that allow for entrainment at the level of metric beat subdivision has been estimated at about 100–120 ms (London, 2002; Repp, 2003). Tempos and subdivision durations reported for American jazz and East African xylophone music performance, however, suggest that the perception of shorter subdivisions within a range of 80–100 ms may well be possible. This paper musicologically analyzes and empirically measures the fastest metric subdivisions in two sets of live recordings of vernacular dance music from West Africa. In two recordings of Ewe drumming from Ghana, subdivision durations display mean values within a range of 90–100 ms for extended periods of time. Four recordings of jembe drumming from Mali feature subdivision IOIs of about 80–90 ms during their final and fastest sections. A lower limit for metric subdivision durations is hypothesized to perceptually constrain West African drumming within a threshold range of about 80–100 ms.
Phenomena, Poiēsis, and Performance Profiling: Temporal-Textual Emphasis and Creative Process Analysis in Turandot at the Metropolitan Opera
Authors: Neumann Joshua
Published: June 2018

Amidst discussions regarding the nature of a musical work, tensions within and between score- and performance-based approaches often increase ideological entrenchment. Opera's textual and visual elements, along with its inherently social nature, both simultaneously complicate understanding of a work's nature and provide interdisciplinary analytical inroads. Analysis of operatic performance faces challenges of how to interrogate onstage musical behaviors, and how they relate to both dramatic narrative and an opera's identity. This article applies Martin Heidegger's dichotomy of technē and poiēsis to relationships between scores, performances, and works, characterizing works as conceptual, and scores and performances as tangible embodiments. Opera scholarship relies primarily upon scores, creating a lacuna of sound-based examinations. Adapting analyses developed in CHARM's "Mazurka Project," this essay incorporates textual considerations into tempo hierarchy as a means of asserting each performance's nuanced uniqueness and thus provides a window into performers' creative processes. Interviews with the performers considered in this study confirmed postulations derived from analyzing temporal-textual emphases. This approach is adaptable to other expressive elements employed in creating a role onstage. In addition to the hybrid empirical-hermeneutic application, the datasets created in this approach could be valuable as ground truth in machine learning applications.
Editor's Note
Authors: M Daniel , Shanahan Daniel
Published: June 2018

No abstract available.
Explore the Development and Application of Electrical Automation Control Systems
Authors: Niu Zhishan , Zhao Yanfeng , Hu Junjun , Wang Deyong , Dong Lin , Wang Lijun
Published: June 2018

The development of electrical automation engineering control system is the foundation of modern industrial development in China, and also an important embodiment of the rapid development of modern technology. The application of electric automation technology can not only improve work efficiency, but also reduce enterprise cost. Based on this, the current situation and development trend of electrical automation engineering control system are studied for reference by relevant staff.
Analysis of Main Factors Affecting Construction Management and Countermeasures
Authors: Xu Honglei , Wang Jianguo , Liu Suwan , Xu Adong , Zhang Yongfen
Published: June 2018

The arrival of the current economic era has greatly stimulated the sound and rapid development of China’s overall national strength and has promoted the constant progress of all walks of life. With the acceleration of urbanization, the construction industry in China is constantly improving its technical level and expanding the industry scale. The main factors and countermeasures for construction project management are to improve the importance of the entire construction project. In this process, it is necessary to strictly supervise the relevant national departments to ensure their quality, and combine them with the management factors and countermeasures to improve. In view of the main factors and Countermeasures of construction engineering management, the construction quality and supervision are effectively controlled, and the quality of the construction is supervised and managed to ensure the safety and effective management of the whole construction quality. At the same time, it is necessary to continuously improve the countermeasures in this process, so that future construction projects can be more effective.
THE EFFECT OF SYSTEM PARAMETERS ON THE CONDENSATION PERFORMANCE OF HEAT PUMP SYSTEM USING R290
Authors: HOCAOĞLU Samet
Published: June 2018

Since global warming has reached critical levels, limitations have
been placed on the use of certain fluoride-containing refrigerants by F-Gas
regulations. The EU F-​​Gas Regulation has introduced quotas for the use of
refrigerants with a global warming potential(GWP) greater than 150. Hydrofluorocarbons(HFCs)
from restricted refrigerants are widely used in heat pump systems. Considering
the environmental impact of these refrigerants, it is important to look for
long-term alternatives to comply with F-gas regulations. Hydrocarbon(HC)
refrigerants are shown as suitable alternatives for heat pump applications. R290
as HC refrigerant is a potential refrigerant suitable for existing HFCs systems
due to zero ODP and low GWP. In heat pump systems, there are many system
components or parameters that are effective in condensing the air passing
through the evaporator. It is very important to know how these elements affect
the condensation performance in different design situations. In this study, the
effect of different parameters such as capillary length, charge amount and
evaporator tube volume on the condensation performance of a R290 hydrocarbon
refrigerant heat pump was investigated by the experimental design approach. The
experimental results obtained was compared with the theoretical model. It has
been determined that the most effective parameter on the condensation
performance is the capillary tube length with the effect of 35%.
Awareness of occupational hazards and utilization of PPE amongst welders in Jos metropolis, Nigeria
Authors: Tagurum Yetunde O. , Gwomson Martin D. , Yakubu Pankyes M. , Igbita James A. , Chingle Moses P. , Chirdan Oluwabunmi O.
Published: June 2018

Background: Welding poses a range of both well-known and subtle hazards to health and safety. These hazards can act quickly or may show up only in the long term. They can be rapidly fatal (electric shock or exposure to cadmium fumes) or have delayed effects (lung changes over time). This study aimed to assess the awareness of occupational hazards and utilization of PPE amongst welders in Jos metropolis.Methods: This was a descriptive, cross-sectional study involving 295 welders in Jos metropolis. An interviewer-administered questionnaire was used to collect data which was entered and analyzed using Epi-info version 3.5.4 statistical software. A probability value of p≤0.05 was considered statistically significant.Results: All the respondents were males with a mean age of 24.6±7.7 years. The study revealed that 293 (99.3%) were aware of occupational hazards in welding. In this study, goggles were the most frequently used PPE 98%, then gloves 65.4%, boots 58%, overalls 36.3%, facemask 30.6% and earplugs 12.9%. A statistically significant (p≤0.05) relationship was found between employment pattern as well as working hours per day and the use of safety devices.Conclusions: The study showed that most of the welders had fair knowledge of welding related health problems, hazards and safety devices, and utilization of safety devices was less than optimal. An educational campaign on workplace hazards, types and proper use of different personal protective devices should be instituted for welders on a regular basis by the welders association, local and state government.
Evaluation of thickness of retinal nerve fiber layer and ganglion cell layer with inner plexiform layer in patients without diabetic retinopathy and mild diabetic retinopathy in type 2 diabetes mellitus patients using spectral-domain optical coherence tomography
Authors: Borooah Mitali , Nane Y. Jennifer , Ekka Jayant
Published: June 2018

Background: A widely accepted pathogenesis of DR consists of microvascular abnormalities. However recent investigations have demonstrated neurodegenerative alterations before the appearance of microvascular changes in patients with DM. Aim of the study was to evaluate thickness of retinal nerve fiber layer and ganglion cell layer with inner plexiform layer in patent without diabetic retinopathy and mild diabetic retinopathy in type 2 diabetic patients using spectral domain optical coherence tomography.Methods: Thirty patients with type 2 diabetes mellitus without diabetic retinopathy, 30 with mild diabetic retinopathy and 30 healthy controls are taken considering inclusion and exclusion criteria. GCL-ILM and RNFL thickness was measured in each individual and measurements were compared using one way ANOVA test and Pearson’s correlation was performed to evaluate the linear correlation between variables and calculated p value <0.05 was regarded as significant.Results: The average RNFL thickness was 86.18±8.44μm and 91.79±4.77μm in diabetic patients and controls respectively (p=0.002). Furthermore, for two different groups of diabetic patients, the average RNFL thickness was 86.74±11.18μm in the no DR group and 85.62±11.10μm in the mild DR group (p=0.697). The average GCL-IPL thickness was 79.95±4.32μm and 84.66±3.26μm in diabetic patients and controls, respectively (p=<0.001). Furthermore, for two different groups of diabetic patients, the average GCL-IPL thickness was 80.15±5.78μm in the no DR group and 79.75±5.70μm in the mild DR group (p=0.788).Conclusions: There was a statistically signiﬁcant reduction of the mean GCL-IPL and RNFL thickness in type 2 diabetic patients with no or mild DR compared with a homogenous control group indicating neuroretinal changes occur before vascular changes of diabetic retinopathy. But the correlation of average RNFL thickness and GCL-IPL thickness was not statistically significant with the duration of diabetes and HbA1c value.
Role of regular yoga practice in improvement of various pulmonary parameters in first year medical students
Authors: Kumar Kislay , Kumar Devesh , Pandey Pooja T. , . Divya
Published: June 2018

Background: tress at any stage of life virtually produces several respiratory limitations and reduces tolerance to physical efforts, sometimes leading to pulmonary diseases in individuals. Various yoga and Pranayama like Kapalbhati and Nadi-sodhan involves powerful strokes of exhalation, which trains the subject to make full use of diaphragm and abdominal muscles.Methods: This study is performed on 1st yr. medical students whose stress level is in higher side due to academic burden. 55 medical students were selected as participants through counseling and were divided into Yoga group (n= 27) and control group (n=28). Pulmonary functions of subjects were tested using Pony FX advanced desktop spirometer manufactured by Cosmed. Yoga is performed 1 hr/day for 6 days /week for 12 weeks by yoga group.Results: Pulmonary functions tested in Yoga and control group were FVC, FEV1, PEF and FVC/FEV1. There were significant improvements in pulmonary functions in yoga group. In Yoga group (FVC- 5.8% increases, FEV1- 5.2% increase, PEF- 34% increase and FVC/FEV1- 3.15% increase). In control group also, all parameters increased but P value was not significant.Conclusions: This study concludes that practicing Yoga has shown a significant improvement on pulmonary functions in 1st year medical students.
A retrospective clinical study on blunt trauma abdomen and its management
Authors: Rahman Shahanur , Das Partha Pratim
Published: June 2018

Background: Blunt trauma abdomen is a common surgical emergency which may present as an isolated problem or as a part of poly trauma. Road traffic (automobile) accident is the most common cause of blunt trauma abdomen.Methods: After initial resuscitation and achieving hemodynamic stability, all patients were subjected to careful history and clinical examination. Depending on the clinical findings, decision for further investigations as four-quadrant aspiration, X-ray of chest and abdomen erect view and abdominal ultrasound were taken. The decision to operate or non-operative management depended on the outcome of clinical examination and results of diagnostic tests.Results: This is a clinical study of 100 patients who were admitted, treated and followed up in Gauhati Medical College and Hospital, Guwahati, Assam, India from 1st July, 2015 to 30th June, 2016. In this study, the incidence of blunt trauma abdomen was found to be 69.78% out of all abdominal trauma patients. The most common cause was found to be road traffic accidents (67%). The commonest age group was 21 to 30 years comprises about 39% of patients. The average age was 30.82 years. Spleen was the most common organ involved (44%). 53.52% of patient having solid organ injured was managed conservatively. Out of 60 operative cases, 25 (41.7%) cases were operated within 3-6 hours.Conclusions: Patients with blunt trauma abdomen should have early and accurate diagnosis and prompt, proper and prudent management to improve overall prognosis.
Agenesis of dorsal pancreas causing extra hepatic portal vein obstruction in a patient of symptomatic cholelithiasis: a case report
Authors: Kumar Vipan , Gupta Niraj , Ambekar Mohd Muzammil , Sharma Neeraj , Sood Prateek , Sharma Vikrant , Chauhan Narvir Singh , Sharma Rajkumar , Mahajan Somraj
Published: June 2018

Agenesis of dorsal pancreas (ADP) is an extremely rare entity. We report a case of 50 year old lady with complete agenesis of the dorsal pancreas presenting with extra-hepatic portal vein obstruction (EHPVO) with symptomatic gall stone disease. Contrast enhanced computed tomography (CECT) revealed a normal pancreatic head, but pancreatic body and tail were not visualized, pancreatic head was compressing upon the portal vein with marked luminal narrowing and cavernoma formation. Magnetic resonance imaging (MRI) and magnetic resonance cholangio pancreatography (MRCP) findings confirmed the CT findings of ADP.
Un comerciante navarro dueño de los bosques de la costa oriental de Yucatán: Faustino Martínez (1889-1909)
Authors: Rangel Gonzalez Edgar Joel
Published: June 2018

A través del recuento histórico sobre la presencia del empresariado en la explotación forestal en los bosques de la costa oriental de Yucatán, se reconstruye la figura de Faustino Martínez, hombre de negocios que representa a la oligarquía económica mexicana del porfiriato, y cuyo perfil empresarial le permitió emprender negocios y acciones para aprovechar las concesiones en el oriente de la península yucateca. El acceso que tuvo a las altas esferas, económica y política, nos permite conocer la trascendencia de este español a partir de sus nexos y negocios en la región, lo que le permitió obtener vastas propiedades, autorizaciones forestales, atraer la fuerza de trabajo y establecer una economía de extracción para coadyuvar a la constitución del territorio federal de Quintana Roo.
Interjeksi dalam Bahasa Arab
Authors: Ramadhani Sahara
Published: June 2018

AbstractInterjection is the words used to show expressions spontaneously. Each language has different forms of interjection. This study aims to provide a comprehensive overview of the intermediate form in Arabic. The data used in this study is written data in the form of Arabic novels and drama script. The data is obtained by the attentive observation method. The basic technique used is tapping technique. The advanced technique is by using the note technique. The methods used for the data analysis are distribution and contextual method. The results of the analysis show that based on the form of Arabic interjections, it can be grouped into primary forms, secondary forms, phrase form, and clause form. AbstrakInterjeksi merupakan kata-kata yang digunakan untuk menunjukkan ekspresi secara spontan. Setiap bahasa memiliki bentuk interjeksi yang berbeda-beda. Penelitian ini bertujuan untuk memberikan gambaran secara menyeluruh mengenai bentuk interjeksi dalam bahasa Arab. Data yang dipergunakan dalam penelitian ini adalah data tertulis yang berupa novel dan naskah drama Arab. Data tersebut diperoleh dengan metode simak. Teknik dasar yang digunakan adalah teknik sadap. Adapun teknik lanjutannya menggunakan teknik catat. Metode yang dipergunakan untuk menganalisis data adalah metode distribusi dan metode kontekstual. Hasil analisis menunjukkan bahwa berdasarkan bentuknya interjeksi bahasa Arab dapat dikelompokkan menjadi bentuk primer, bentuk sekunder, bentuk frasa, dan bentuk klausa.
Model Pembelajaran Bahasa Arab Terpadu di Perguruan Tinggi Keagamaan Islam Negeri
Authors: Supardi Supardi
Published: June 2018

This article explores the significance of language skills integration generally in foreign language teaching and particularly in Arabic. This is motivated by the reality of Arabic language learning in Indonesia State Islamic Higher Education (PTKIN) which still separates the four language skills so that learning Arabic language is not able to produce language learning actively as a means of communication. Through literary studies, the author offers the integration of language skills as an alternative solution in shaping communicative language learners.
أسلوب التعليل في سورة البقرة (دراسة نحوية تحليلية)
Authors: Naf'an Abdul Wahab
Published: June 2018

This study aims to exploratory and analytical study expressions to explain the reasons or causes of something (at-ta'lîl) in the Qur'an of surah al-Baqarah. The approach used is inductive (istiqra'iy), which is the conclusion or the theory formulation (kaedah) taken after the research of all or some elements. The results of this study reveal that there are two ta'lils, which are with letters and with ism. Letter lâm is the master letter in revealing the most reasons or causes in the surah al-Baqarah which is then followed thereafter by the letters bâ`, in sababiyah, hattâ, min, 'an, fî, inna,' alâ and idz. While in the form of ism, it shapes as maf'ul liajlih.
Концентрация кредитных рисков: элементы управления
Authors: Ушанов Александр Евгеньевич
Published: June 2018

Минимизация рисков концентрации кредитов на группу связанных заемщиков является актуальной проблемой российской банковской системы. Задача риск-менеджмента при ее решении состоит не только в установлении факта отнесения заемщика к группе связанных компаний, но и в грамотном построении процесса управления рисками концентрации, включающего оценку существенности взаимного влияния денежных потоков заемщика и группы, расчет лимитов и рейтингов, анализ финансового состояния и прогноз движения денежных потоков группы. В статье рассматривается порядок анализа группы связанных заемщиков.
Современное состояние производственного и кадрового потенциала агропромышленного комплекса Крыма
Authors: Примышев Игорь Николаевич , Черемисина Светлана Георгиевна , Скараник Станислава Степановна
Published: June 2018

В статье рассматривается современное состояние производственного и кадрового потенциала агропромышленного комплекса Крыма в контексте развития его приоритетных отраслей. Определены основные проблемы и тенденции развития отраслей растениеводства и животноводства Крыма. В ходе исследования выявлены серьезные диспропорции в структуре кадрового потенциала агропромышленного комплекса Крыма. Проанализирована динамика образовательного уровня руководителей сельскохозяйственных предприятий и работников массовых профессий в аграрной сфере экономики региона. Установлена негативная тенденция роста текучести кадров и снижения профессионального уровня потенциала руководящих кадров в сельскохозяйственных предприятиях Крыма. Авторы акцентируют внимание на необходимости применения обоснованной целевой государственной поддержки сельского хозяйства и развития его кадрового потенциала.
Женское предпринимательство – перспективный потенциал развития экономики
Authors: Баженов Алексей Юрьевич
Published: June 2018

В статье приводятся тенденции развития женского предпринимательства в России во второй половине XIX и в начале XX веков, установленные на основе статистических материалов, принимаемых лидерами страны мер, и фактов, представляющих интерес для читателей. Отмечается, что с переходом в рыночные условия женский бизнес развивался в виде «челночного» бизнеса, который в какой-то мере смягчал дефицит потребительских товаров, помогал выжить «челночникам» и тем, кто обеспечивал им инфраструктуру. «Челночное», в основном, женское, предпринимательство способствовало им создать первоначальный капитал для дальнейшего развития женского классического предпринимательства.
Анализ статистических материалов показывает, что развитие женского бизнеса в России в последующий период отличался его интенсивностью независимо от объективных и субъективных причин, создававших трудности предпринимательницам.
В статье рассматривается тот зарубежный опыт развития и поддержки женского бизнеса, который может использоваться и в условиях российской экономической действительности.
В заключение автором приводятся рекомендации по совершенствованию женского предпринимательства и повышению его эффективности.
Деструктивные эффекты иллюзорности рынка труда, возникающие при воздействии информационно-коммуникационных технологий на процесс подбора персонала. Часть вторая: описание резюме на онлайн платформе
Authors: Ермоленко Александр Александрович , Косенко Инна Викторовна
Published: June 2018

Описано деструктивное влияние эффекта «иллюзорности» рынка труда в процессе описания резюме кандидатов на онлайн платформе. Изучена имеющаяся российская и зарубежная практика представления ложной или частично искаженной информации кандидатами в резюме на онлайн платформах с целью увеличить свою конкурентоспособность при трудоустройстве. Подготовлен обзор статистики об «иллюзорности» (фальсификации) образования кандидата на рынке труда в digital экономике во всем мире. Определено, как ИКТ технологии влияют как на создание эффекта «иллюзорности» так на его нивелирование с использованием анализа BigData.
Раскрыты проявления разнообразных сервисов фальсификации: интернет сервисов по созданию фальсифицированного резюме, как комплексного digital продукта с необходимыми гиперссылками, подтверждающей документацией, общением с рекомендующим, «фабрики дипломов». Обозначена проблематика изменения восприятия безопасности, трансформации ценностей под воздействием цифровых технологий. Выделены типы «иллюзии образования»: «полностью скрытая иллюзия образования», «документарная иллюзия образования», «открытая иллюзия образования». Определены стратегии создания резюме кандидата в digital экономике: стратегия предоставления в резюме только объективных данных, стратегия частичного искажения и предоставления неполных данных, стратегия создания «иллюзорного резюме».
Трансформация системы управления предприятием при переходе к цифровой экономике
Authors: Аренков Игорь Анатольевич , Смирнов Сергей Анатольевич , Шарафутдинов Динар Радифович , Ябурова Динара Владимировна
Published: June 2018

Современная, динамично развивающаяся среда ставит перед компаниями новые вызовы. Развитие технологий, автоматизация и многократное ускорение процессов, протекающих во внешней среде, создают необходимость изменения традиционных подходов к ведению бизнеса. Использование стандартных методов уже не позволяет достичь лидерства и успеха на рынке. В работе рассматриваются проблемы и ключевые аспекты цифровой трансформации. Подчеркивается важность цифровых талантов, новых поколений и смены мировоззрения менеджмента. Даётся характеристика ключевых изменений систем управления предприятиями в цифровой экономике.