bluuebunny/crossref_metadata_2025 huggingface dataset:
Experimental Tests on Cement Mortars Manufactured with Hemp Flour
Authors: Formisano Antonio , Chiumiento Giovanni , Lautieri Emmanuele
Published: October 2020

Aim:

Currently, research and market needs are aimed at the production of more and more specific mortars and concrete with the best properties and mix design directed towards increasingly specific uses.

Background:

This research starts with a discussion on cement and aggregate assortments, which are the basic properties of mortars.

Objective:

The choice of suitable additives able to correct the rheological, workability and resistance properties of the mixture is focused.

Methods:

In this framework, the current research activity involves some experimental laboratory tests on cement mortars manufactured with hemp flour, intended as a “natural” additive. The aim is the search for any improvements given by the hemp flour to the physical and/or mechanical performances of the tested mortars.

Results:

Hemp flour, due to bonding properties, increases the compactness, and therefore, the resistance to environmental factors by the examined cement mortars. The rheological features of mixtures with different percentages of hemp flour, whose maximum water percentage absorbed was resulted to be 125%, were investigated. It was found that standardised sand reduces shrinkage phenomena of tested specimens. Moreover, the compression and bending moment behaviour of manufactured specimens was analysed with the aim of finding the optimal weight percentage of hemp flour to improve their mechanical performances.

Conclusion:

The experimentation performed leads to several conclusions and interesting future developments. It was found that 3% is the best-weighted percentage of hemp flour to increase the mechanical properties of examined mortars made of standardised sand. As further developments, there is a need to identify the limit percentage of hemp flour to be added to the mixture, so as to avoid the decay of the mechanical properties. In addition, further experiments must be carried out on concretes, where the presence of gravel leads to improve the stability and mechanical resistance of the cement matrix.
Effect of Fluoride Gels on the Surface Roughness of Different Composite Resins
Authors: Arruda Marcela Monice , Toppino Marina Augusto , Barbosa Gabriela Monteiro , Costi Hilton Túlio , Silva Cecy Martins , Nogueira Araújo Jesuína Lamartine
Published: October 2020

Background:

The pH of fluoride gels influences the roughness of composite resins, which affects their clinical durability.

Objective:

To evaluate the effect of fluoride gels (1.23% acidified phosphate fluoride and neutral fluoride) on the morphology of different composite resins after finishing and polishing.

Methods:

We prepared sixty specimens with a diameter of 5 mm and a height of 2 mm. The specimens were then divided into six groups (n = 10), according to the type of composite resin (Z250 micro-hybrid (Z), Filtek Z350 XT nanoparticles (XT), and Tetric N-Ceram nano-hybrid (TC)) and fluoride gel treatment (1.23% acidified phosphate (APF) or neutral fluoride (NF)) to measure surface roughness (Ra). The material was light-cured using an LED-curing unit (Elipar Freelight Deep Cure-3M/ESPE) for 20 s with a light intensity of 1.200 mW/cm2. Ra measurements were performed before and after treatment with different fluoride gels using a rugosimeter (Mitutoyo SJ210). After Ra, we selected two samples from each group for evaluation using scanning electron microscopy. Data were analyzed using the Shapiro-Wilk, ANOVA, and Tukey tests, with a significance of 5%.

Results:

The average Ra before and after NF did not differ statistically. The average Ra values of the groups treated with APF showed statistically significant differences. The photomicrographs of the groups treated with NF were similar to those of the groups without fluoride treatment. The APF-treated groups showed significant morphological changes.

Conclusion:

NF did not promote changes in the morphology of the evaluated composite resins, in contrast to APF, which caused significant changes.
Demonstration of >100GHz ultra-high speed glass-polymer optical modulator using dielectric layer
Authors: Enami Yasufumi
Published: October 2020

Polymers have long been known to boast extraordinary properties that make them useful in a broad range of applications. Since the German organic scientist Hermann Staudinger demonstrated the existence of macromolecules, which he called polymers, in the 1920s, they have been used in
fields as varied as medicine, technology, retail and manufacturing. Dr Yasufumi Enami forms part of a team of researchers based within the Department of Electrical Engineering, Nagasaki University in Japan. The team has been conducting important research that makes use of a polymer that could
revolutionise the speed at which data can be transferred. The findings could usher in the next generation of an ultra-fast information superhighway with all the benefits that such a development would reap.
Study on efficient control of swarm robot using mobile agents and swarm intelligence
Authors: Kambayashi Yasushi , Takimoto Munehiro
Published: October 2020

Automation of tasks is a rapidly evolving process. The expansion of robots into industry has been ongoing for some time. Automation of factories and industrial processes has increased productivity and also meant humans no longer have to engage in dangerous, back-breaking labour. While
the robots taking over this work have mostly been large, single purpose machines designed to carry out one or two functions, there is a growing demand for smaller, lighter and more flexible robots. These machines are being built to work as cooperative swarms or fleets. In this way they can
be distributed in an environment and through communication networks maintain contact and coordinated function. This flexibility and small size again mean they can replace humans when tasks are either too dangerous or physically impossible for a person to complete. The hardware side of this
technology is largely in place, however, the challenge now is how best to coordinate the movements of multiple robots remotely. Professor Yasushi Kambayashi and a team of researchers based at the Department of Computer and Information Engineering, Nippon Institute of Technology in Japan, is
developing a new, decentralised control system that takes inspiration from social insects like ants.
Predictive Models of Mortality for Hospitalized Patients With COVID-19: Retrospective Cohort Study (Preprint)
Authors: Wang Taiyao , Paschalidis Aris , Liu Quanying , Liu Yingxia , Yuan Ye , Paschalidis Ioannis Ch
Published: October 2020

BACKGROUND

The novel coronavirus SARS-CoV-2 and its associated disease, COVID-19, have caused worldwide disruption, leading countries to take drastic measures to address the progression of the disease. As SARS-CoV-2 continues to spread, hospitals are struggling to allocate resources to patients who are most at risk. In this context, it has become important to develop models that can accurately predict the severity of infection of hospitalized patients to help guide triage, planning, and resource allocation.

OBJECTIVE

The aim of this study was to develop accurate models to predict the mortality of hospitalized patients with COVID-19 using basic demographics and easily obtainable laboratory data.

METHODS

We performed a retrospective study of 375 hospitalized patients with COVID-19 in Wuhan, China. The patients were randomly split into derivation and validation cohorts. Regularized logistic regression and support vector machine classifiers were trained on the derivation cohort, and accuracy metrics (F1 scores) were computed on the validation cohort. Two types of models were developed: the first type used laboratory findings from the entire length of the patient’s hospital stay, and the second type used laboratory findings that were obtained no later than 12 hours after admission. The models were further validated on a multicenter external cohort of 542 patients.

RESULTS

Of the 375 patients with COVID-19, 174 (46.4%) died of the infection. The study cohort was composed of 224/375 men (59.7%) and 151/375 women (40.3%), with a mean age of 58.83 years (SD 16.46). The models developed using data from throughout the patients’ length of stay demonstrated accuracies as high as 97%, whereas the models with admission laboratory variables possessed accuracies of up to 93%. The latter models predicted patient outcomes an average of 11.5 days in advance. Key variables such as lactate dehydrogenase, high-sensitivity C-reactive protein, and percentage of lymphocytes in the blood were indicated by the models. In line with previous studies, age was also found to be an important variable in predicting mortality. In particular, the mean age of patients who survived COVID-19 infection (50.23 years, SD 15.02) was significantly lower than the mean age of patients who died of the infection (68.75 years, SD 11.83; P<.001).

CONCLUSIONS

Machine learning models can be successfully employed to accurately predict outcomes of patients with COVID-19. Our models achieved high accuracies and could predict outcomes more than one week in advance; this promising result suggests that these models can be highly useful for resource allocation in hospitals.
Penilaian Wisatawan Asing atas Kemampuan Bahasa Inggris Mahasiswa dan Pelajar Magang sebagai Pemandu Wisata di Taman Wisata Candi Prambanan
Authors: Prameswari Mutiara Chartika , Makhasi Ghifari Yuristiadhi Masyhari
Published: October 2020

Proficiency in English is very important for guiding foreign tourists. This study aims to determine the assessment of the English proficiency level of apprentice tour guides by foreign tourists in Prambanan. This study used quantitative data collection methods, namely the distribution of questionnaires consisting of two groups of questions which include: active speaking and listening of which the results are analyzed descriptively. Based on the calculation of the questionnaire score which was then included in the rating scale measurement scale, the results of the study involving 20 respondents showed that foreign tourists rated the English proficiency of the apprentice tour guides considerably high based on the calculation of the questionnaire score and was then included in the Rating Scale measurement scale. The survey results were confirmed by interviews with the foreign tourists and showed that the apprentice tour guides in general are proficient in English that the communication is carried out with ease.
KEDUDUKAN ASAS KEADILAN BERIMBANG DALAM HUKUM KEWARISAN ISLAM DIKAITKAN DENGAN PERATURAN MAHKAMAH AGUNG R.I. NOMOR 3 TAHUN 2017 TENTANG PEDOMAN MENGADILI PERKARA PEREMPUAN BERHADAPAN DENGAN HUKUM
Authors: Ilhami Haniah
Published: October 2020

AbstractIdentifying the interrelation between the Principle of Equality of Justice in Islamic Inheritance Law and the Principle of Non-discrimination in Supreme Court Regulation Number 3 years 2017 concerning Guidance on Presecuting Legal Cases Involving Women, this normative research conducts legal comparisons using a conceptual approach. This research finds the independence the Principle of Equality of Justice, due to the application of the principle which is not determined by the Supreme Court Regulation No.3 / 2017. Furthermore, the principle does not substantially contradict with the Principle of Non-discrimination.IntisariPenelitian ini didasarkan pada adanya persinggungan antara Asas Keadilan Berimbang dengan konsep non diskriminasi yang diusung oleh PERMA No. 3/2017. Asas Keadilan Berimbang membedakan bagian antara ahli waris perempuan dan ahli waris laki-laki, sementara PERMA No.3/2017 melarang hakim untuk melakukan pembedaan ataupun pembatasan yang dibuat atas dasar jenis kelamin yang mempunyai dampak mengurangi hak-hak tertentu bagi para pihak yang berperkara di pengadilan. Penelitian bertujuan untuk mengkaji kedudukan asas Keadilan Berimbang dalam penyelesaian perkara waris Islam pasca ditetapkannya PERMA No. 3/2017. Penelitian ini merupakan penelitian hukum normatif dalam bentuk perbandingan hukum dengan menggunakan pendekatan konseptual (conceptual approach) Penelitian menyimpulkan bahwa Asas Keadilan Berimbang merupakan asas yang independen karena penerapan dan penegakannya tidak bergantung serta tidak bertentangan dengan prinsip Non Diskriminasi yang diatur dalam PERMA No.3/2017.
PERBANDINGAN NORMA HUKUM TINDAKAN PENGEMANAN PERDAGANGAN (SAFEGUARDS) ANTARA INDONESIA DAN AMERIKA SERIKAT
Authors: Fahrazi Mahfud
Published: October 2020

AbstractThis study examines the comparison of legal norms on trade safeguards measures between Indonesia and the United States. The purpose of this study is to analyze the comparison of legal norms on trade safeguards measures between Indonesia and the United States. This study uses a type of normative legal research (legal reseach) with the approach to the legislation and comparative approach. The results of this study explain that there are two components that provide a clear picture of the differences in Safeguards provisions in Indonesia and those in America, namely: (1) Form and Content of Safeguards legislation. (2). Head of State's involvement in implementing Safeguards. IntisariPenelitian ini mengkaji tentang perbandingan norma hukum Tindakan Pengamanan Perdagangan (Safeguards) antara Indonesia dan Amerika Serikat. Tujuan penelitian ini untuk menganalisa perbandingan norma hukum safeguards antara Indonesia dan Amerika Serikat. Penelitian ini menggunakan jenis penelitian hukum normatif (legal research) dengan pendekatan pendekatan perundang-undangan serta pendekatan komparatif. Hasil penelitian ini menejelaskan bahwa bahwa terdapat dua komponen yang memberikan gambaran jelas tentang perbedaan ketentuan safeguards yang terdapat di Indonesia dengan ketentuan yang terdapat di Amerika, yaitu: (1) Bentuk dan Isi perundang-undangan safeguards. (2). Keterlibatan Kepala Negera dalam safeguards.
Restoration of cylinder liners for automotive tractors engines in modern conditions
Authors: Denisov Vyacheslav A. , Kostyukov Aleksandr Yu. , Zadorozhniy Roman N.
Published: October 2020

One of the most promising technologies for restoring machine parts and cylinder liners is electric spark treatment as the most versatile technology that provides high-quality restoration of worn parts with wear up to 0.5 mm. (Research purpose) The research purpose is in developing a technology for restoring various cylinder liners by means of electric spark processing, selecting optimal modes and electrode materials that allow improving the quality of repair and increasing the post-repair life of the sleeve. (Materials and methods) It was taken into account when conducting research aimed at restoring the geometric parameters of the sleeve, that the coating must have sufficient adhesion strength to the surface of the sleeve under mechanical, thermal loads and long-term operation. Laboratory studies of the adhesion strength of electric spark coatings on the separation (adhesive) and on the cut, as well as tribotechnical studies of interfaces were conducted. Authors have found by analyzing the results of operational tests of restored and new cylinder liners the prospects for using electric spark treatment of worn parts, including diesel engine liners. (Results and discussion) It was shown by laboratory studies of the adhesion strength of electric spark coatings with a 0.2 mm thick BrMKc 3-1 electrode to the working surface of cylinder liners that their separation strength (adhesive) was 20-40 megapascals, and the shear strength (cohesive) was 50-80 megapascals. It was found that this provides the required functional strength of coatings with maximum operational load. The article presents the results of comprehensive research in graphs and tables. (Conclusions) The research conducted in the CCP "Nano-Center" of the FSAC VIM and operational tests in the 2nd bus fleet of Moscow confirmed the principal possibility of effectively restoring cast iron liners (blocks) using the technology of electric spark processing.
Proposta de um modelo de referência para o desenvolvimento de produtos do vestuário utilizando impressão 3D
Authors: Fuchs Nathalia Ruiz , Cotrim Syntia Lemos , Leal Gislaine Camila Lapasini
Published: October 2020

O processo de desenvolvimento de produtos tem contribuído grandemente para o sucesso de produtos no mercado desde o início de sua criação. Os muitos modelos de referência presentes na literatura auxiliam na organização das etapas e atividades presentes neste processo. Entretanto, quando se trata de uma inovação radical, existe uma dificuldade de adequação a esses modelos. A inovação radical normalmente vem de avanços tecnológicos, de invenções ou da busca por novos mercados. De uma perspectiva mercadológica, a tecnologia de impressão 3D tem sido apontada como uma ruptura em seu modelo de produção atual. Com seu rápido crescimento pode-se prever que brevemente a impressão 3D estará presente em praticamente todos os segmentos do mercado. Já é possível visualizar o alcance desta tecnologia na indústria da moda. Sapatos e coleções de moda completas impressas tridimensionalmente já estão sendo criados e alguns destes itens sendo comercializados. Deste modo, o objetivo deste artigo é a criação de um modelo de referência voltado exclusivamente para a impressão 3D de vestuários. Para isso, utilizaram-se como base cinco modelos de referência atuais presentes na literatura, entre os quais dois são modelos generalistas e três são específicos, sendo um mecatrônico e dois voltados para o vestuário. Além disso, para o domínio da tecnologia de impressão 3D realizou-se a modelagem e a impressão tridimensional de um sapato de salto alto.
Mídia, religião e política
Authors: Barba Santos Marcela , Vaz Aline , Prado Junior Tarcis
Published: October 2020

A intersecção entre mídia, política e religião revela-se ainda mais expressiva em períodos eleitorais. Partindo da crescente e destacada presença evangélica na política brasileira, este artigo examina os discursos de pastores pentecostais relacionados à disputa presidencial de 2018. Foram selecionados 38 vídeos para o estudo, esses publicados nos canais do YouTube dos pastores Silas Malafaia, RR Soares, Jonathan Bonelar, Josué Brandão e Moabel. Por meio de uma análise sistemática de conteúdo, incluindo a categorização e codificação dos vídeos, verificou-se quais foram os principais temas abordados, assim como se houve apelo ao voto, associação de qualidades divinas e menção ao candidato apoiado, Jair Bolsonaro. Equitativamente foram registradas as críticas à oposição e à imprensa. Os resultados revelaram que ao invés de fazer apelo direto ao voto para Bolsonaro, priorizou-se a crítica à oposição, enfatizando questões ético/morais, como estratégia para desqualificar os adversários.
Dinâmicas midiáticas para o futuro de Sorocaba
Authors: Rovida Mara , Celso Silva Paulo , Garcia Wilton
Published: October 2020

Este artigo aborda apontamentos técnicos, reflexivos e críticos a respeito de dinâmicas midiáticas entre mobilidade, informação e tecnologia, para propor o “Projeto Integrador Sorocaba 2030 na perspectiva midiática: da identificação de demandas à proposição de ações”. O problema de pesquisa, assim, levanta dados para implementar subsídios conceituais, técnicos e teóricos acerca de aspectos midiáticos da cidade e de sua região metropolitana. A metodologia mixed, quantitativa-qualitativa, com técnica descritiva, apresenta estrategicamente o contexto desta proposta de investigação. De modo pontual, a relevância do estudo faz parte do interesse de pensar a inserção social do PPGCC-Uniso no município e no entorno, cujos resultados obtidos servem de base para ampliar políticas públicas e sociais.
O anonimato online como ponte entre experiências cotidianas e presença digital na performance identitária
Authors: Ramírez Hernández Elisa Beatriz , Salgueiro Marques Angela Cristina
Published: October 2020

O artigo aborda a dimensão política nas propriações do recurso do anonimato online, a partir de uma análise de conversações sobre migração no site cubano Cubadebate, entre 2013 e 2017. Explora-se a perspectiva das affordances da plataforma e as possibilidades expressivas desse recurso, a fim de argumentar a pertinência de abordagens que considerem a relevãncia do contexto comunicativo e político dessas práticas. O modelo de análise de conversações online complementa-se com entrevistas a jornalistas e diretores do meio, a partir de três eixos metodológicos que se entrelaçam: a dimensão textual dos comentários, da prática discursiva no ambiente digital e das características do contexto social mais amplo que rodeia essas interações. A pesquisa identifica três apropriações principais do anonimato que evidenciam essa prática como uma construção identitária que vincula a experiência cotidiana dos cubanos e sua presença online.
A Ditadura Militar, o fim da TV Excelsior e a recomendação da Comissão Nacional da Verdade
Authors: Künsch Dimas , Bonventti Rodolfo Carlos
Published: October 2020

O Relatório Final da Comissão Nacional da Verdade, publicado em 2014, inclui entre as vítimas da perseguição militar nos anos da ditadura implantada no Brasil em 1964 as empresas do Grupo Simonsen, em especial a Panair do Brasil e a TV Excelsior, que foram fechadas pelos donos do poder, respectivamente, em 1965 e 1970. De natureza descritivo-interpretativa, e à luz do método da compreensão, o presente ensaio quer ajudar a romper o véu do esquecimento que encobre a história da TV Excelsior, primeira emissora industrial de televisão brasileira. Pretende, assim, ao mesmo tempo, contribuir para um reexame da história da televisão no Brasil em seus 70 anos de existência (1950-2020). E também, por fim, num momento político como o que atravessa o País, em que forças políticas favoráveis ao regime de exceção implantado em 1964 pretendem fazer crer que os críticos estão enganados, afirmar a importância da defesa do estado democrático de direito e da luta contra toda forma de tirania.
Indicators for maintenance planning based on energy efficiency in heat exchanger networks
Authors: Yabrudy-Mercado Daniel Enrique , López-Sarria Bienvenido Sarria Sarria , Fajardo-Cuadro Juan G. , Cardona-Agudelo Camilo A.
Published: October 2020

Thanks to the asset management regulations, modern maintenance practices are rapidly getting a more managerial role, and is used to achieve savings and optimize energy use. Therefore, knowing at all times the status of the equipment allows for timely and necessary interventions that generate value to the company, and recover the initial conditions of them. Heat exchanger networks, rather than a productive asset, constitute an energy-saving strategy, to have lower fuel costs, emission control, rational use of energy, etc. in the atmospheric furnaces of the crude distillation units, and other units that perform similar processes. Thus, keeping them in their best conditions, most of the time is necessary. In this paper, we propose a methodology for the diagnosis of the equipment of the network, and the maintenance planning justified by the energy efficiency of them and the economic impact of the intervention. In addition, an indicator is presented to provide an economic justification for maintenance interventions, as well as for briefly showing the results of the application of maintenance mainly on efficiency and the use of the KPI J proposed for programming the maintenance schedule of some of the equipment (pilot test) of the heat exchanger network under study. The methodology developed uses real operation values, and its results provided savings up to USD 150,000.
Automatic Dissolved Oxygen Control to Oreochromis Fish’s Crop into Geomembrane Tank
Authors: Perdomo-Gómez Gustavo Adolfo , Corredor-Galvis Karina , Duarte-Rivera Santiago , Botina-Trujillo Kelyn Rosely , Mendez-Pastrana Diego Andres
Published: October 2020

Huila is a Colombian state with a high production of Oreochromis fish, its contribution to national production is of 53%, that is distributed in 338 hectares of ponds on land and floating cages. The environmental and climatic characteristics of the region allow having dissolved oxygen production in the ponds between 4ppm and 12ppm during the day, but at night the situation is unfavorable, since the amount of dissolved oxygen can decrease up to 1ppm while carbon dioxide increases. Therefore, it is necessary to have adequate oxygenation equipment and systems to prevent delayed in fish growth and to decrease death rates. This article presents the design and implementation of an automatic dissolved oxygen control system by manipulation of a water recirculation flow that operates in parallel with an industrial oxygen generator. The implemented system tracks and records the temperature and oxygen variables present in the geomembrane tank to evaluate the process evolution for different periods of the fish development cycle. The data was acquired using an Atlas Scientific dissolved oxygen sensor kit and a DS18B20 temperature probe they send the data directly to a Raspberry Pi that transmits by wireless the information collected from the process to the SISCEFA web server and a mobile application through which users can observe the data traceability. The dissolved oxygen concentration was maintained within the threshold established and the fish rate death decrease.
Mínimos cuadrados ordinarios: una estrategia para disminuir la incertidumbre de medición de masa
Authors: Hernández-Vásquez José Daniel , Pedraza-Yepes Cristian Antonio , Malkún Tobón Luis Enrique , Rapalino Gutiérrez Carlos Guillermo , Tapias Martínez Jorge Luis
Published: October 2020

Esta investigación fue motivada por desafíos técnicos-económicos impuestos por la metrología de masa, en particular, en temas concernientes a métodos de calibración de los instrumentos no automáticos de pesaje (i.e.: balanzas). En el mundo contemporáneo resulta un factor vital garantizar la confiabilidad de los resultados de medición en un laboratorio de prueba, ensayos e investigación. Estos resultados deben ser reproducidos por instituciones –nacionales e internacionales- considerando las incertidumbres asociadas al proceso. Dos de los factores que afectan fuertemente la confiabilidad metrológica de los procesos de medición de masa son: (i) no frecuencia de calibración de balanzas; (ii) métodos analíticos para el tratamiento de datos experimentales obtenidos en la calibración. En este contexto y, manteniendo los principios para la calibración de un instrumento de medición en el cual ésta debe ser realizada en las mismas condiciones de operación de instrumento, los laboratorios de metrología están en la necesidad de conocer la confiabilidad metrológica (i.e.: errores e incertidumbres) para cada escenario de calibración. En este orden de ideas, Este estudio buscó evaluar los factores incidentes en la medición de masa y calibración de los instrumentos no automáticos de pesaje. La metodología aplicada (método de los mínimos cuadrados ordinarios) permitió estimar la confiabilidad metrológica de una Balanza Digital (Cap. Máx.: 30 kg; Res.: 0,001 kg) en 0,012% (k=2). Los resultados confirmaron que el método aplicado permitió disminuir la incertidumbre de ajuste hasta en 92,0% a partir de la utilización de un polinomio de cuarto grado cuando comparado con un modelo ampliamente utilizado por laboratorios de metrología convencionales, i.e.: polinomio de primer grado a partir de una regresión lineal simple.
Agent-based Model for Environmental Awareness and Extended Producer Responsibility in Developing Countries
Authors: Ceballos Yony Fernando , Galarcio-Noguera Jesus David , Maya-Duque Pablo Andres , Ramirez-Cordoba Gloria Lucia
Published: October 2020

To make an effective transition towards a circular economy, we must have the responsibility and active participation of all the stakeholders involved, including customers. In this work, we seek to develop an agent-based model to describe and analyze an environmental awareness system in a population, whose behavior is based on an indicator that can change by agent’s interaction and modify its consumption habits. The model is described using the ODD + D protocol, and we use Netlogo software for coding. After model validation process, its results are analyzed to understand how can environmental awareness level, consumption habits and social skills of each individual influence on the average environmental awareness level of a heterogeneous population, which makes simple the identification of emerging behaviors and the forecasting of the potentially recyclable waste according to the quality in the separation at source.
Evaluación térmica de un intercambiador de calor de tubo y coraza para efectuar la condensación de etanol
Authors: Pérez Sánchez Amaury , Nicetas-Gastamiza Cosette , Ranero-González Elizabeth , Pérez-Sánchez Eddy Javier
Published: October 2020

La adecuada evaluación y posterior selección de un intercambiador de calor para una aplicación determinada es de suma importancia para llevar a cabo una operación de intercambio de calor eficaz y eficiente. En el presente trabajo se realizó la evaluación térmica de un intercambiador de calor de tubo y coraza para efectuar la condensación de de una corriente de etanol, utilizando para ello agua como refrigerante. También se realizó un estudio de sensibilidad con el fin de evaluar la influencia del incremento de tanto el caudal de alimentación del etanol como su temperatura de entrada sobre el porciento de área en exceso del intercambiador (%Aexc). Se obtuvo un valor del parámetro %Aexc de 24,23 %, lo cual indica que el intercambiador de calor propuesto puede emplearse satisfactoriamente para llevar a cabo el servicio de condensación requerido. El %Aexc disminuye con un aumento de tanto el caudal de alimentación de etanol como de su temperatura de entrada, lo cual indica que el intercambiador de calor propuesto puede manejar valores superiores tanto del caudal de alimentación (hasta 4200 kg/h) como de la temperatura de entrada de estés compuesto (hasta 100 °C).
Comparision of the Stress Distribution Between High-Heeled and Flat Shoes on The First Metatarsal Bone
Authors: COŞKUN Zeliha , ÇELİK Talip , KİŞİOĞLU Yasin
Published: October 2020

The aim of this study is to examine the effects of the wearing high-heeled shoes (HHS) by comparing the wearing the flat shoes on the first metatarsal bone using the finite element method. The first metatarsal bone is modeled from computerized tomography (CT) image as 3D and imported to ANSYS Workbench Software. Body weight (BW) and muscle forces were applied to the first metatarsal bone. The bone was fixed at the proximal region of the bone for the boundary conditions. Three evaluation criteria were examined for the results as the stresses, the total deformations and the strain values on the bone. The stress and strain distributions of the bone were evaluated for the bone failure. The deformation of the bone were evaluated for the bone stabilitiy. As a result, the wearing HHS increases the stress values on the first metatarsal bone approximately %54 compared to the flat shoes. The strain values showed that the bone crack or failure was not occured. The deformation of the bone was increased when wearing the HHS shoes. The conclusion of the study is that the wearing HHS negatively affects the first metatarsal bone. Hence, the frequency of the wearing HHS in daily life should be reduced and heeled shoe designs should be made taking into account the stresses occured on the bone.
Teaching Aesthetics – A Case Study of One-To-One Tuition in Popular Electronic Music in Higher Education
Authors: Sørbø Eirik , Røshol Andreas Waaler
Published: October 2020

Research regarding informal learning over the last few decades has shown how popular musicians acquire skills and knowledge through informal learning, suggesting new methods for formal music education compared to the structures of western classical music. Today, the realm of popular electronic music education faces some similar challenges that popular music education initially did; new ways of informal learning, and a different and diverse knowledge base for the students entering popular music programs. Related to these challenges is the question of how to teach one-to-one tuition in higher electronic music education, and this article seeks to address this challenge. We present a case-study of the practice of a teacher at the University of Agder in Norway that teaches electronics in one-to-one tuition, where the research data is based on interviewing this teacher and his students. An important aspect of the practice in question is the process of listening to and discussing the student’s original recorded music. We discuss some of the challenges of one-to-one teaching in electronic music education, and argue that this particular teaching approach accommodates some of these challenges. Bringing in the educational framework of Biesta, we argue that this form of teaching practice also facilitates subjectification by addressing both uniqueness and expression. Further, we argue that this practice, which focuses on the teaching of aesthetics instead of technicalities, combined with the development of the students’ unique artistic expression can open some interesting possibilities related to addressing subjectivity in higher music education. One of these is how the students need to articulate both the objectives and aims within their music, and the objectives and aims of their music, which in turn develops a terminology to talk about and beyond aesthetics.
Loop Station Conducting (LSC): A Study on Live Looping as an Ensemble Conducting Approach
Authors: Øien Ola Buan
Published: October 2020

This practice-oriented self-study is motivated by an apparent gap in the literature on music technology research in both performative and pedagogical practices. Thus, the aim is to investigate live looping as a style of ensemble conducting guided by the following research question: “What perspectives relevant to conducting can live looping offer as an ensemble conducting approach?” Using three contexts of hermeneutic meaning interpretation to analyze empirical material collected during interviews with a nine member focus group of music teacher students at a Norwegian university, I find that live looping through loop station conducting as an ensemble conducting approach offers several perspectives relevant to conducting, in that it can achieve the following: Create anticipation, evoke a sense of mastery and a sense of feeling secure, serve as an efficient supplement to conducting, create an immediate and holistic impression of the end result, and serve as a creative and/or pedagogical approach.
New records of megachilid bees (Hymenoptera: Megachilidae) from the North Caucasus and the south of European Russia
Authors:   T.I. Vyazemsky Karadag Scientific Station – Nature Reserve of the Russian Academy of Sciences – Branch of A.O. Kovalevsky Institute of Biology of the Southern Seas, Fateryga A.V. , Proshchalykin M.Yu. ,   Federal Scientific Center of the East Asia Terrestrial Biodiversity of the Far East Branch of the Russian Academy of Sciences
Published: October 2020

New data on 22 species of bees of the family Megachilidae from the North Caucasus and the south of European Russia are reported. Six species are new to Russia: Hoplitis curvipes (Morawitz, 1871), Osmia cinerea Warncke, 1988, O. ligurica Morawitz, 1868, O. cyanoxantha Pérez, 1879, Protosmia glutinosa (Giraud, 1871), and Coelioxys mielbergi Morawitz, 1880. Hoplitis turcestanica (Dalla Torre, 1896), sp. resurr. is treated as a distinct species, not a junior synonym of H. caularis (Morawitz, 1875). Megachile albocristata Smith, 1853 and M. alborufa Friese, 1911 are listed instead of previously recorded M. lefebvrei (Lepeletier de Saint-Fargeau, 1841) and M. pyrenaica (Lepeletier de Saint-Fargeau, 1841), respectively. Fourteen new regional records are reported: seven species are new to the North Caucasus, five ones are new to the south of European Russia, and two species are new to the European part of Russia as a whole. The numbers of megachilid bee species currently known in Russia, the North Caucasus, and the south of European Russia are 217, 130, and 71, respectively. The lectotype of Osmia proxima Morawitz, 1875 is designated.
Tourism Theories, Concepts and Models
Authors: McKercher Bob , Prideaux Bruce
Published: October 2020

Tourism Theories, Concepts and Models:

Explains why we think about tourism the way we do;
Explores key theories, concepts and models that explain how tourism works;
Is a comprehensive and cohesive text that develops a series of key ideas that deepens understanding and encourages critical thinking.

This important text provides a critical overview of the core theories, concepts and ideas that have shaped the way we think about tourism. Divided into six parts, it takes the reader through the following areas to ensure thorough and coherent knowledge, looking at the important key theories, models and concepts, ensuring clear understanding and the ability for critical thinking:

Setting the stage: looking at the interdisciplinary nature of tourism and its’ structure (5 core aspects of generation region, industry, destination region, transit route and tourist)
How tourism works: explores the three core dimensions of tourism factors, attractions, access and government policy
The evolution of tourism: examines the main models that have depicted the evolution of tourism destinations, economies and geographies.
The tourist: motivations and influences of the tourist as an individual, covering typology, social demographic factors and constraints.
Planning models: destination planning, scenarios and forecasting, including responses to current challenges Current issues: examines the theoretical and conceptual foundations for a range of contemporary issues that will affect tourism well into the future, including climate change, overtourism, crisis management and political change.

Additional resources consist of web links, online videos and teaching reference materials. These can be found at www.goodfellowpublishers.com/TTCM from Academy fellows and other academic links explaining the ideas in the book.

A must-have text for post graduate tourism and hospitality studies, as well as a key resource text for those teaching and studying tourism subjects at the later stages of undergraduate level.
Model Pengawasan Pelayanan Publik Oleh Ombudsman Ri Pewakilan Lampung (Studi Tentang PPDB Tingkat SMA di Provinsi Lampung Tahun 2019)
Authors:   Universitas Lampung, Sholeha Nur Ina , Kagungan Dian ,   Universitas Lampung, Sulistio Eko Budi ,   Universitas Lampung
Published: October 2020

This research aims to determine the Republic of Indonesia's Representative Office of Lampung Ombudsman Supervision Model for New Student Reception (PPDB) at the Senior High School level in Lampung Province in 2019 and to find out what are the inhibiting factors for the Republic of Indonesia's Representative Ombudsman Lampung in carrying out such supervision. The research method used is qualitative then presented descriptively, namely by parsing, explaining, and describing in accordance with problems that are closely related to this research. The research was carried out at the Office of the Ombudsman of the Republic of Indonesia Representative Province of Lampung and Senior High School State 01 Bandar Lampung. The results showed that the Indonesian Ombudsman Supervisory Model of Lampung Representative of PPDB at the Senior high school level in Lampung Province in 2019 used a supervision model according to the way it was implemented, namely direct supervision carried out through inspection activities namely supervision carried out by coming directly to the field and also indirect supervision carried out through receipt and handling of reports.
Evaluasi Desa Layak Anak di Kabupaten Lampung Selatan (Studi Pada Desa Natar dan Desa Kali Sari)
Authors:   Universitas Lampung, Kamilia Indah , Tresiana Novita ,   Universitas Lampung, Hutagalung Simon Sumanjoyo ,   Universitas Lampung
Published: October 2020

Implementation of Child Protection in South Lampung Regency under the Ministry of Women's Empowerment and Child Protection (PPPA) which promotes the Child Friendly Village program. In this study, Natar Village is one of the villages in the Natar District that implements the Child-Friendly Village program and Kali Sari Village as the object comparison village in this study. Evaluation is a form of supervision to determine a program, especially the Child Friendly Village program, whether a village can be categorized as a village worthy of children or not. This can later be used as a recommendation for other villages that do not yet have regulations regarding the properness of children to participate in achieving common goals. The type of research used in this research is descriptive type with a qualitative approach, data collection techniques, observation, interviews, documentation. The results of this study indicate that the Evaluation of the Child-Friendly Village Program in South Lampung Regency shows that the Child-Friendly Village Program has been implemented well, this can be seen from the results of the research which states that the evaluation of the program service process has been carried out as planned, the planned target has been served. The evaluation that has been carried out states that this program has shown good performance and benefits for the community and especially for children.
Partisipasi Masyarakat dalam Pengelolaan Dana Desa (Analisis Kasus Kepemimpinan Kepala Desa Gadingrejo, Kecamatan Gading Rejo, Kabupaten Pringsewu)
Authors:   Universitas Lampung, Arozza Hayatul Aulia , Kagungan Dian ,   Universitas Lampung, Yulianti Devi ,   Universitas Lampung
Published: October 2020

The village head carries out the tasks assigned by the central government to regulate and carry out these policies made in the framework of joint development with the community towards a prosperous society. Through Mr. Gunawan's leadership, Gading Rejo Village carried out development using the Village Fund in accordance with development priorities which were jointly developed with the community. Development carried out using village funds is the construction of roads, construction of water culverts, water irrigation channels, monuments, and community activity units. Village community development is a development movement based on community self-help and mutual cooperation. The type of research used in this research is descriptive type with a qualitative approach, data collection techniques, observation, interviews, documentation. The results of this study indicate that the leadership of the village head Gadingrejo to increase community participation in the management of village funds focuses more on the democratic leadership style, the leadership style of the Gadingrejo Village Head obtains high direction of support from the community, in guiding the community, the village head gives instructions to the community such as mechanisms in the field and what is needed in development, so that the duties and functions of the village head can be carried out properly.
Hubungan Penerapan Prinsip-prinsip Andragogi dengan Hasil Belajar Peserta Pelatihan Menjahit Pakaian
Authors: Mulyana Sri
Published: October 2020

This study aims to reveal an overview of the application of andragogical principles in training, the learning outcomes of the training participants to sew clothes, and reveal the relationship between the application of andragogical principles and the learning outcomes of the training participants to sew clothes based on the initial observations that the author has made, located at Balai Work Training (BLK) in Padang. The results of the observations show that the high learning outcomes of the training participants are thought to be caused by the application of andragogical principles to the sewing training. This type of research is a correlational study that uses a quantitative approach. The population in this study was the training participants in sewing clothes for the January-March period this year. The sampling technique is saturated sampling and the sample is the whole population. The data collection technique used was a questionnaire and the tools used were questionnaires. The data analysis technique used the percentage formula and the Spearman Rho formula. The results of this study indicate that: 1) the application of andragogical principles in sewing good clothes; 2) the learning outcomes of the training participants to sew clothes are classified as good; 3) there is a significant relationship between the application of andragogical principles and learning outcomes in sewing training at the Vocational Training Center (BLK) in Padang. The suggestion of this research is that it is hoped that the instructor can deepen knowledge in teaching adults so that the results obtained are more optimal. Although in practice it has been implemented well. Keywords: Andragogy Principles, Learning Outcomes
HUBUNGAN ANTARA LINGKUNGAN BELAJAR DENGAN MOTIVASI WARGA BELAJAR MENGIKUTI PELATIHAN MENYULAM DI PKBM SURYA KOTA PADANG
Authors: Fitria Yuli , Irmawita Irmawita
Published: October 2020

Penelitian ini dilatarbelakangi oleh rendahnya motivasi warga belajar mengikuti pelatihan membordir di PKBM Surya Kota Padang, hal ini diduga karena ada kaitannya dengan lingkungan belajar peserta mengikuti pelatihan membordir di PKBM Surya Kota Padang. Penelitian ini bertujuan untuk mendeskripsikan lingkungan belajar, motivasi warga belajar, dan keterkaitan keduanya. Jenis penelitian ini adalah penelitian kuantitatif yaitu deskriptif korelasional. Populasi penelitian adalah seluruh warga belajar yang mengikuti pelatihan membordir sebanyak 20 orang dan semua populasi dijadikan sampel, dengan teknik pengambilan sampel adalah quota sampling. Teknik pengumpulan data berupa kuesioner dengan alat pengumpul data berupa kuesioner. Teknik analisis data menggunakan rumus persentase dan korelasi Spearman rho. Hasil penelitian menunjukkan bahwa: (1) lingkungan belajar peserta diklat kurang kondusif, (2) motivasi warga belajar masih rendah, (3) terdapat hubungan yang signifikan antara lingkungan belajar dengan motivasi masyarakat. untuk belajar mengikuti pelatihan membordir di PKBM Surya Kota Padang. Disarankan agar lembaga PKBM Surya menyediakan lingkungan belajar yang kondusif agar peserta termotivasi untuk mengikuti pelatihan membordir. (3) Ada hubungan yang signifikan antara lingkungan belajar dengan motivasi belajar masyarakat mengikuti pelatihan membordir di PKBM Surya Kota Padang. Disarankan agar lembaga PKBM Surya menyediakan lingkungan belajar yang kondusif agar peserta termotivasi untuk mengikuti pelatihan membordir. (3) Ada hubungan yang signifikan antara lingkungan belajar dengan motivasi belajar masyarakat mengikuti pelatihan membordir di PKBM Surya Kota Padang. Disarankan agar lembaga PKBM Surya menyediakan lingkungan belajar yang kondusif agar peserta termotivasi untuk mengikuti pelatihan membordir.Kata kunci: lingkungan belajar, motivasi belajar
HUBUNGAN ANTARA KONTROL SOSIAL ORANGTUA DENGAN KENAKALAN REMAJA DI KOMPLEK MEGA PERMAI V KELURAHAN LUBUK BUAYA KOTA PADANG
Authors: Perdana Afif , Ismaniar Ismaniar
Published: October 2020

ABSTRACTThis research was motivated by the high level of juvenile delinquency in the Mega Permai V Complex, Lubuk Buaya Village, Padang. This can be caused by many factors including the low parental social control. This study aims to see a picture of parental social control, a picture of juvenile delinquency and the relationship between juvenile delinquency in Mega Permai V Complex, Lubuk Buaya Village, Padang. This type of research is descriptive correlational where parental social control is a variable (X) and juvenile delinquency as a variable (Y). The population in this study were 55 people. The sampling technique used was simple random sampling technique as many as 35 people. Data collection techniques used were questionnaires and data collection tools in the form of questionnaires. Meanwhile, the data analysis technique uses the percentage formula and the product moment. The results showed that the description of parental social control to adolescents was still categorized as low, the description of juvenile delinquency was categorized as high and there was a significant relationship between juvenile delinquency in Mega Permai V Complex, Lubuk Buaya Village, Padang.Keywords: Parental social control, juvenile delinquency