bluuebunny/crossref_metadata_2025 huggingface dataset:
PENGARUH ADOPSI AKUNTANSI TRANSAKSI ASURANSI SYARIAH BERDASARKAN PSAK 108 TERHADAP KINERJA KEUANGAN PERUSAHAAN (STUDI KASUS PADA AJB BUMIPUTERA 1912 WILAYAH SYARIAH JAKARTA)
Authors: Sholihah Nuro
Published: July 2019

This study aims to identify and analyze "Insurance Transaction Accounting Influence Adoption of PSAK 108 Against Sharia Based Financial Performance (Case Study At AJB Bumiputera 1912 Jakarta Regional Sharia)". The population in this study were all employees of all branches of sharia region of Jakarta as many as 84 people. The samples were set at 70 sample respondents with random sampling techniques, and data collection by questionnaire. Technical analysis of data using SPSS 20 to process the data from respondents who provide an assessment of the questionnaire stated in figures in the Likert Scale. Based on the results of the analysis showed that the presence of a negative influence between the application of the system in the early engakuan PSAK 108 on financial performance at the company AJB Bumiputera Sharia Jakarta region. This research proved the positive influence between the application of the measurement system in PSAK 108 on financial performance at the company AJB Bumiputera Sharia Jakarta region. This research proved the positive influence between the application of PSAK 108 in a presentation system on financial performance at the company AJB Bumiputera Sharia Jakarta region. This research proved the positive influence between the application of the system disclosure under PSAK 108 on financial performance at the company AJB Bumiputera Sharia Jakarta region
ANALISIS PENGARUH PROFESIONALISME PEMERIKSA PAJAK, KEPUASAN KERJA DAN KOMITMEN ORGANISASI TERHADAP KINERJA FISKUS DENGAN AUDIT JUDGMENT SEBAGAI VARIABEL INTERVENING (Studi Pada Kantor Pelayanan Pajak Di Wilayah Jakarta Timur)
Authors: Widari Sri
Published: July 2019

The primary data in this study was obtained from the questionnaire answers to tax inspectors Tax Office Region East Jakarta. The data can be collected as many as 107 people from 140 questionnaires distributed to the tax inspectors. This is due to a mutation on a large scale at Regional Tax Office, East Jakarta. Statistical methods were used to test each hypothesis is SEM analysis on the program Lisrel The results of this study indicate that not all hypotheses are built to be accepted, it demonstrates that positively affect the professionalism and commitment of audit judgment, but this study did not find evidence of professionalism influence on job satisfaction and organizational commitment, this happens probably because the value of professionalism adopted tax inspectors often conflict with rules that differ from the environment in which auditors work
PENGARUH CORPORATE SOCIAL RESPONSIBILITY TERHADAP PROFITABILITAS dengan INFORMASI AKUNTANSI SEBAGAI VARIABEL MODERASI (Studi Empiris Perusahaan Go Publik di BEI)
Authors: Andoyo Sony Wisnu
Published: July 2019

The purpose of this research is to know the influence of corporate social responbility of the profitability of the company with its accounting information as a moderating variable. This research was conducted on the Indonesia stock exchange in the fiscal year 2011 and 2012. Determination of the sample using a purposive sampling method so that derived 68 observations. Statistical analysis including classical assumptions and test  the feasibility of the model. Testing the influence of variable pemoderasi in this research hypothesis was tested with a moderated regression analysis (MRA) which is a special application of linear multiple regression. Based on the research results and discussion it can be concluded that although the corporate social responbility proven does not affect the company's profitability with the power of accounting information as a moderating variable but many benefits derived pelaksanan company with corporate social responsibility, among others, products are increasingly preferred by consumers and companies are of interest to investors. Corporate social responsibility can be used as a tool of marketing recently for the company when it implemented sustainable. However, by implementing CSR, corporate image will be the better so that consumer loyalty higher. Along with the increasing consumer loyalty in a long time, then the sale of the company will be more improved, and in the end with the implementation of CSR, expected level of profitability the company also increased
ANALISIS PENGARUH STOCK SPLIT DAN KINERJA KEUANGAN TERHADAP HARGA SAHAM STUDI PADA EMITEN SEKTOR MANUFAKTUR
Authors: Sukimin S
Published: July 2019

Stock split is one of the corporate action by the company with the goal set back to stock prices in the range that is more liquid and provide a quality signal to investors. This study aims to analyze the effect of the stock split and the financial performance of the issuer's stock price studies on the manufacturing sector. The theory is the reference of this study, namely Signaling Theory. Signaling theory declares a stock split provides a positive signal for the company manager will inform the future prospects of the company to the public good who do not know. The stock price is the value of a stock that reflects the wealth of the company that issued the stock. Stock prices are formed from the interaction of buyers and sellers of shares in the stock market or stock exchange which is motivated by their expectations of corporate profits. The study was conducted on 7 companies that are listed on the Stock Exchange and they do stock split in the year 2008-2011. Hipoteis testing in this study using multiple regression. The research instrument will be tested in this study is the Earning Per Share (EPS), Return On Investment (ROI), Return on Equity (ROE), Price Earning Ratio (PER), Price to Book Value (PBV) is to test the effect of the stock split and financial performance of the company's stock price. The equations are formed in this study is Stock Price = C + 11,18421EPS - 2,10ROI - 23,62ROE + 556,82PBV + 85,25PER - 244,80Stocksplit + e. The results showed Earning Per Share (EPS) is a variable financial performance and a significant positive effect on stock prices, both before and after stocksplit, while the Return On Investment (ROI), Return on Equity (ROE), Price Earning Ratio (PER), Price to Book Value (PBV) effect is not significant. According to the theory, the higher the ratio of financial performance, the better the state of a company
Orthoptera and allies in the Maritime provinces, Canada: new records and updated provincial checklists
Authors: Klymko John , Catling Paul , Ogden Jeffrey B. , Harding Robert W. , McAlpine Donald F. , Robinson Sarah L. , Doucet Denis A. , Adam Christoper I.G.
Published: July 2019

We provide an updated checklist of Orthoptera and their allies for each Maritime province of Canada with details for 21 new species records. Drumming Katydid (Meconema thalassinum), recorded from Nova Scotia (NS) and Prince Edward Island (PEI), and Sprinkled Grasshopper (Chloealtis conspersa), recorded from New Brunswick (NB) are reported for the first time from the Maritimes as a whole. We report range extensions in the Maritime region for Australian Cockroach (Periplaneta australasiae; NB), Treetop Bush Katydid (Scudderia fasciata; NS), Short-legged Camel Cricket (Ceuthophilus brevipes; PEI), Spotted Camel Cricket (Ceuthophilus maculatus; PEI), Roesel’s Shield-backed Katydid (Roeseliana roesellii; NS), and Black-horned Tree Cricket (Oecanthus nigricornis; PEI). Short-winged Mole Cricket (Neoscapteriscus abbreviatus; NB) and European Mole Cricket (Gryllotalpa gryllotalpa; NS) are reported as adventives (non-native species that are believed to be not yet established), new to Canada from the Maritimes. Other new records for species not known to be established are Lined Earwig (Doru taeniatum; NS), Australian Cockroach (Periplaneta australasiae; PEI), American Cockroach (Periplaneta americana; NB), Brown Cockroach (Periplaneta brunnea; PEI), Smooth Cockroach (Nyctibora laevigata; NB), West Indian Leaf Cockroach (Blaberus discoidalis; NB), an unidentified Parcoblatta species (NB), Brown-banded Cockroach (Supella longipalpa; PEI), Praying Mantis (Mantis religiosa; NB), and American Bird Grasshopper (Schistocerca americana; NS).
Diversity and conservation status of lichens and allied fungi in the Greater Toronto Area: results from four years of the Ontario BioBlitz
Authors: McMullin Richard Troy , Drotos Katherine , Ireland David , Dorval Hanna
Published: July 2019

Bioblitzes are typically 24-hour biological surveys of a defined region carried out by taxonomic specialists, citizen scientists, and the general public. The largest in Canada is the Ontario BioBlitz, an annual event held in the Greater Toronto Area (GTA). Between 2013 and 2016, we examined the feasibility of including lichens and allied fungi in the Ontario BioBlitz. These taxa are often overlooked, understudied, and taxonomically difficult. We completed a bioblitz in each of the four major watersheds in the GTA and recorded 138 species in 72 genera which, combined with all previous collections, totals 180 species in 88 genera in the area. Thirteen of the species we collected are provincially ranked as S1 (critically imperilled), S2 (imperilled), or S3 (vulnerable). We collected Lecanora carpinea for the first time in Ontario. Our results provide a baseline list of GTA lichens that can be used for monitoring. This is one of the first detailed lichen surveys of a major North American urban area and it demonstrates that rapid bioblitz surveys are proficient in capturing lichen diversity despite their inconspicuous nature and the advanced microscopy and chemical analyses required for their identification.
Seasonal and temporal variation in scaled mass index of Black-capped Chickadees (Poecile atricapillus)
Authors: Nip Emma J. , Frei Barbara , Elliott Kyle H.
Published: July 2019

Avian body mass reflects a trade-off between risk of starvation and predation, and may vary with ambient temperature, age, and time of day. Seasonal variability in body mass is a common occurrence in northern temperate regions, including adaptive fattening. Previous evidence suggests that seasonal variability is less pronounced in tree-feeding bird species, as their food sources during winter are less limited and variable compared to ground-foraging species. We determined fat scores of tree-feeding Black-capped Chickadees (Poecile atricapillus) captured year-round between 2004 and 2015 (n = 4248) in southern Quebec, to test the relative strength of possible drivers of variability in chickadee body mass, including time, date, and year of capture, age, and temperature. First, we demonstrated that scaled mass index (SMI) was the body condition index, out of four possible indices tested, which most strongly correlated with fat scores measured in the field. We used SMI subsequently as our estimator of body condition to avoid observer effects associated with fat scores. Similar to other studies, time of capture significantly affected SMI, in which birds captured later were heavier, indicating that chickadees experience overnight weight loss and subsequent weight gain from foraging throughout the day. SMI was constant from April to November, then peaked in late winter, but was not influenced by daily temperature after accounting for month and year. SMI was not significantly affected by age. We concluded that adaptive fattening is an evolutionary response to risk of starvation in winter, rather than a proximal response to immediate ambient temperature.
The spiders of Prince Edward Island: experts and citizen scientists collaborate for faunistics
Authors: Bowden Joseph J. , Knysh Kyle M. , Blagoev Gergin A. , Bennett Robb , Arsenault Mark A. , Harding Caleb F. , Harding Robert W. , Curley Rosemary
Published: July 2019

Although lists of spider species have been compiled for all of Canada’s provinces and territories, the spider fauna of Prince Edward Island (PEI) is poorly known. Based on the efforts of citizen scientists, naturalists, and scientists on PEI and researchers at the Centre for Biodiversity Genomics, we present the first comprehensive list of spider species on the island, increasing the known number from 44 to 198. The Centre for Biodiversity Genomics conducted intensive collection in Prince Edward Island National Park; Nature PEI citizen scientists and naturalists contributed specimens from across the island from several different habitats. This provincial list is dominated by the araneoid families, Linyphiidae, Theridiidae, and Araneidae, with 55, 27, and 22 species, respectively. Several non-native species, such as the theridiid Eurasian False Black Widow Spider (Steatoda bipunctata (L.)) and the araneid Red-sided Sector Spider (Zygiella atrica (C.L. Koch)), have been collected in several locations on the island, suggesting that they are well established. This work highlights the effectiveness of collaboration among citizen scientists, naturalists, and professional researchers to further our knowledge of species diversity and distributions.
Taxonomic survey of Agaricomycetes (Fungi: Basidiomycota) in Ontario tallgrass prairies determined by fruiting body and soil rDNA sampling
Authors: Hay Chris R.J. , Thorn R. Greg , Jacobs Clinton R.
Published: July 2019

The fungal composition of North America’s grasslands is poorly known, but an important area of study due to grassland conservation concerns and their close relation to agricultural lands. This study is a survey of Agaricomcyetes from fifteen diverse tallgrass prairies across southwestern Ontario, determined through fruiting body surveys (above-ground) and next-generation sequencing of soil ribosomal DNA (below-ground), and compares the results of these two techniques. The most species rich taxa were the Clavariaceae, Hygrophoraceae, and Entolomataceae, each detected by both techniques, with the addition of the Sebacinaceae and Polyporaceae sensu lato below-ground, and Hymenogastraceae (Hebeloma spp.) and Mycenaceae above-ground. Many of the most abundant species belonged to these species-rich taxa and were highly abundant by either technique. The above-ground surveys found at least 73 species and the below-ground technique 238 operatonal taxonomic units. Although many fine-scale taxa (species and approximate families) were unique to one technique or the other (only eight genetic species were shared between both), the below-ground technique uncovered a greater breadth of higher taxa (mostly equivalent to orders), including ones undetected by the above-ground technique. A review of grassland fungi surveys around the world shows many similarities and the potential for grassland fungal conservation in North America. Given current technological advancements and grassland conservation concerns, it is prudent to further study North America’s grassland fungi.
New records for Eastern Mosquito Fern (Azolla cristata, Salviniaceae) in Canada
Authors: Brunton Daniel F. , Bickerton Holly J.
Published: July 2019

We report a cluster of Eastern Mosquito Fern (Azolla cristata, Salviniaceae) populations in five watersheds within a 56-km2 area of Leeds and Grenville County, Ontario. Some of the recently discovered populations were immense, one containing over two million individuals in 2016. These eastern Ontario populations are persistent, having been observed in situ continuously for four years. One population was confirmed after an apparent absence of at least 30 years and another was reported as present (or at least recurring) for approximately 50 years. We observed that Canadian A. cristata is capable, at least experimentally, of overwinter dormancy and subsequent renewal. Azolla cristata in eastern Ontario and western Quebec appears to represent naturally (if sporadically) occurring populations, likely transported from adjacent northern New York populations by migratory waterfowl. These natural occurrences are expected to be more frequent as climate change continues to reduce environmental barriers to the northward establishment of this and other southern taxa.
Predation on Caribou (Rangifer tarandus) by Wolverines (Gulo gulo) after long pursuits
Authors: Magoun Audrey J. , Laird Cristina R. , Keech Mark A. , Valkenburg Patrick , Parrett Lincoln S. , Robards Martin D.
Published: July 2019

Ungulates are an important source of food for Wolverines (Gulo gulo), especially in winter when scavenging on carcasses is a primary means of obtaining food. However, Wolverines are also known to prey on ungulates. We followed fresh tracks of Wolverines pursuing Caribou (Rangifer tarandus) on six occasions on the tundra of northern Alaska in 2011, 2015, 2017, and 2018; all ended in a predation event after pursuits of 4−62 km. Exhaustion of the Caribou after long pursuits appeared to contribute to the success of predation attempts. Snow conditions appeared to be a factor in only one of the six cases.
Round-fruited St. John’s-wort (Hypericum sphaerocarpum, Hypericaceae) in Canada
Authors: Oldham Michael J. , Van Hemessen William D. , Blaney Sean
Published: July 2019

Round-fruited St. John’s-wort (Hypericum sphaerocarpum), a native North American herbaceous, perennial vascular plant, is reported from four sites in southern Ontario, Canada. All four sites are along abandoned railway lines. Although the rich association of native flora suggests native status at one site, H. sphaerocarpum is believed to be introduced elsewhere in its Canadian range in Ontario.
Distribution and taxonomy of Isoetes tuckermanii subsp. acadiensis, comb. nov. (Isoetaceae) in North America
Authors: Brunton Daniel F.
Published: July 2019

Isoetes acadiensis is an emergent aquatic lycophyte of freshwater shores found in a narrow range along the Atlantic coast of northeastern North America where it frequently coexists with Isoetes tuckermanii (sensu stricto [s. str.]). Apparently fertile plants with intermediate morphology occur commonly in mixed populations. No sterile hybrids between the two taxa have been detected. Although I. acadiensis maintains a distinctive geographic distribution (within and smaller than that of I. tuckermanii [s. str.]), exhibits molecular evidence of genetic distinctiveness, and has morphologically distinctive features in most populations, the weight of evidence suggests it is not distinct from I. tuckermanii at a species level. Accordingly, I. tuckermanii subsp. acadiensis, comb. nov. is proposed as the appropriate designation for this biogeographically important Acadian endemic.
ASPECTOS HISTÓRICOS E CONSTITUCIONAIS DA TAXA DE INCÊNDIO DO ESTADO DO RIO DE JANEIRO
Authors: Gama Pimentel Heitor
Published: July 2019

O presente artigo objetiva analisar, sob o enfoque histórico-constitucional, o tributo denominado taxa de prevenção e extinção de incêndios instituída pelo Estado do Rio de Janeiro. Almeja aferir a conformidade da referida exação com o texto constitucional, bem como investigar, neste ponto, à luz da jurisprudência do Supremo Tribunal Federal, quais são os critérios adotados pela Suprema Corte para a verificação da constitucionalidade das taxas de serviços públicos instituídas no âmbito dos Estados da Federação.
Letramento, gênero textual e ensino da língua materna
Authors: Lima Francisco Renato , Borges Vanessa Raquel Soares
Published: July 2019

O ensino de Língua Portuguesa no Brasil ainda é marcado por traços do tradicionalismo e da hierarquia verticalizada entre quem ensina: o professor; e quem aprende: o aluno, imperando desta forma, o caráter normativo e a obscuridade no processo de ensino e aprendizagem, não oferecendo clareza ou possibilidades para que o aluno aprenda de modo a responder, com eficiência, as demandas sociais de domínio e expressão da língua em situações de interação social, o letramento. Neste sentido, este estudo objetiva analisar a utilização do gênero textual cartaz no ensino de língua materna como forma de dinamizar o processo de ensino e aprendizagem, promovendo assim, o letramento social do cidadão. Metodologicamente, consiste de uma revisão bibliográfica de literatura de caráter qualitativo na análise dos dados, os quais se constituem de um corpus de 5 cartazes, sobre os quais serão tecidas as possíveis interpretações, com base nas leituras de Bakhtin (2011), Bazerman (2007; 2011), Coscarelli (2007), Dolz; Schneuwly (2004), Kleiman (2001; 2005), Marcuschi (2010), Soares (2011), Street (2003a; 2003b; 2014), e outros, bem como os Parâmetros Curriculares Nacionais de Língua Portuguesa (BRASIL, 1998). Considera-se que os gêneros textuais se constroem pela interação social entre os indivíduos e que através de suas formas “mais flexíveis, plásticas e criativas” (BAKHTIN, 2011, p. 282), do que outras formas da língua, funcionam como eixos norteadores da aprendizagem escolar, possibilitando também o letramento social do cidadão. Deste modo, a utilização de cartazes no ensino da língua apresenta-se como uma proposta de mobilizar os conhecimentos de mundo, os saberes vivenciais orais e escritos que compõem o repertório linguístico do aluno, levando-o a assumir uma posição crítica e desencadeadora de mudança no meio social em que vive, assumindo-se, portanto, como sujeito letrado, em sentido escolarizado e ideológico, pela forma como ler criticamente o mundo.
RELAÇÕES INTERPESSOAIS E PRÁTICA DOCENTE
Authors: Pontalti Luísa Colombo , Dos Santos Martha Rheingantz , Amaral-Rosa Marcelo Prado
Published: July 2019

O objetivo deste trabalho é identificar as representações sobre as relações interpessoais na prática docente dos estudantes de um Programa de Pós-Graduação em Educação em Ciências e Matemática.Aplicou-se um questionário aos participantese as respostam foram analisadas por meio da Análise Textual Discursiva. Identificaram-se quatro categorias emergentes, são elas:i) os Participantes buscam caracterizar as relações interpessoais;ii) os Participantes percebem que as relações interpessoais afetam os estudantes; iii)os Participantes destacam que as relações interpessoais influenciam a prática docente, e por fim,iv) os Participantes destacam que o docente como profissional é influenciado pelas relações interpessoais. Enquanto consideração final, destaca-se queas relações interpessoais são fundamentais e determinantes para o bom convívio em sala de aula.Assim, a busca por manter boas relações deve sempre ser um aspecto relevante em sala de aula, valorizando a confiança, a afetividade e sobre tudo o respeito entre as partes para qualificar a aprendizagem.

Palavras-chave: Relações Interpessoais.PráticaDocente. Relação professor-aluno. Ensino de Ciências e Matemática. Representações discentes.
uma dimensão comunicativa do consumo
Authors: Silva Suelen de Aguiar
Published: July 2019

Estudo teórico sobre a sociedade do consumo e a função comunicativa dos bens no sistema social. Os objetivos visam compreender o consumo como uma configuração básica que caracteriza e dá formas às sociedades; tratar sobre as imbricações entre a cultura no consumo e o consumo na cultura, para nos aproximarmos de uma perspectiva sobre a cultura do consumo na modernidade; refletir sobre a produção dos bens, sua função comunicativa e a produção dos gostos na sociedade do consumo. A pesquisa foi baseada em referências bibliográficas. Conclui-se que a função comunicativa na sociedade do consumo se dá em termos de marcação, classificação e distinção social, no uso e na circulação de bens materiais e ou simbólicos que conformam o cotidiano dos sujeitos na sociedade.
conhecimento local sobre o uso de plantas medicinais em Lumiar, Nova Friburgo, RJ
Authors: Viana Valéria Costa Rocha
Published: July 2019

A biodiversidade das florestas tropicais tem reconhecida importância e investigações etnofarmacológicas e etnobotânicas têm sido usadas como estratégia de seleção de plantas medicinais reconhecidas por cientistas em todo o mundo. Esta pesquisa objetivou investigar o uso informal de plantas medicinais em Lumiar, Nova Friburgo, RJ. Trata-se de um estudo descritivo, baseado em dados coletados pela aplicação de entrevistas abertas e semi-estruturadas entre janeiro e outubro de 2018. Nova Friburgo, RJ possui ocorrência de vegetação exuberante que reúne atributos atrativos, principalmente Lumiar, 5º Distrito, que a partir da década de 80 sofreu uma invasão turística. A partir daí, os espaços rurais foram substituídos por espaços de lazer e o local saiu do seu isolamento parcial, o que acarretou em grandes mudanças no estilo de vida de seus moradores. Os dados coletados serviram para revelar os modos como as plantas medicinais são utilizadas, suas partes e indicações articulado ao contexto cultural do qual faz parte.
MOVIMENTOS CONTRA VACINAÇÃO NO BRASIL E A LEI DA VACINAÇÃO OBRIGATÓRIA: UMA ANÁLISE CRÍTICA A PARTIR DOS DIREITOS DA CRIANÇA E DO ADOLESCENTE E A PARTIR DO RISCO DE SURTOS EPIDÊMICOS DE DOENÇAS INFECCIOSAS ANTERIORMENTE CONTROLADAS POR COBERTURA VACINA
Authors: Medeiros Mildred Ferreira
Published: July 2019

O presente estudo teve como objetivos fazer uma sucinta análise da legislação brasileira que garantem a promoção da qualidade de saúde da criança e do adolescente, contemplando normatizações para ocorrência de campanhas de vacinação pelo País, sua obrigatoriedade e penalidades desses indivíduos que optam por não realizar a sua imunização e de seus filhos menores de idade. Para o presente estudo, os dados foram obtidos mediante análise do conteúdo do decreto no 78.231 de 12/08/1976, da Lei Federal n° 6.259 de 30/10/1975 e do Estatuto da Criança e do Adolescente (ECA) - Lei n. 8.069, de 13/07/1990 e Lei n. 8.242, de 12/10/1991. O estudo permitiu evidenciar que o governo federal tem buscado manter o calendário vacinal atualizado de acordo com as caraterísticas epidemiológicas do país. Outrossim, a legislação garante às crianças, adolescentes e adultos o acesso à vacinação gratuita, sendo os pais ou detentores da guarda de menores de idade os responsáveis por conduzir esses menores para vacinação, de acordo com o calendário vacinal. Entretanto, é preocupante o crescimento de pessoas que integram movimentos contra vacinação, tendo suas justificativas para a não vacinação e de seus filhos incorretas informações de saúde que os mesmos assumem como sendo verídicas, mas que já foram contestadas cientificamente.
REFLEXÃO SOBRE A PREVENÇÃO DO CONSUMO DE DROGAS NAS ESCOLAS
Authors: Anjos Marcelo Lessa dos
Published: July 2019

Este trabalho faz uma reflexão sobre a atuação da escola na prevenção do consumo de drogas, problema que vem se agravando em âmbito mundial nas últimas décadas, principalmente entre os adolescentes.As escolas tem sido apontadas como pouco eficazes para lidar com esse problema. Por ser tabu, o debate aberto sobre as drogas dentro da escola não acontece. Buscou-se os aspectos psicossociais que regulam as práticas cotidianas da escola relativas ao consumo de drogas. Considera-se que a escola, poderá contribuir para um melhor planejamento de prevenção do uso de drogas pelos alunos, na medida em que está cotidianamente em contato com os alunos e é uma importante referência para esses jovens.
Geopolymer Mortar Incorporating High Calcium Fly Ash and Silica Fume
Authors: Prabha V.C. , Revathi V.
Published: July 2019

An attempt was made in the present work to study the compressive strength and microstructure of geopolymer containing high calcium fly ash (HCFA) and silica fume. Concentration of sodium hydroxide solution 8M, 10M, 12M & 14M, liquid to binder ratio 0.5 and sodium hydroxide to sodium silicate ratio 2.5 were selected for the mixes. Geopolymer mortar test results indicated that the mix with 40% silica fume by the weight of HCFA yielded higher compressive strength under ambient curing. The XRD pattern typically shows the major portion of amorphous phase of geopolymer. The existence of C-A-S-H gel, N-A-S-H gel and hydroxysodalite gel products were observed through SEM which developed dense microstructure and thus enhanced strength of HCFA and silica fume geopolymer.
Performance-Based Analysis of Older-Type Large-Space Hall in Fire
Authors: Woźniczka P.
Published: July 2019

The paper presents the example of performance-based analysis for the existing large-space steel structure raised in 1980s. Hall is used as a paper products warehouse. Advanced mechanical simulations are performed using Safir software. Factors that impact the final fire resistance of the structure are discussed. Local and global imperfections and possible ways of structure modelling are taken into account. For selected cases advanced fire scenario that considers both localised fire and possibility of further ignition of stored goods is prepared using Fire Dynamics Simulation software. The results obtained indicate that added imperfections have little impact on the fire resistance of the structure and older-type steel hall roof without any fire protection could survive 30 minutes of fire. Main failure modes and values of structure’s deflections are also presented. Finally, performed simulations show that even for large-space structure the flashover is possible in some special cases.
Influence of Time Delays of Robotic Total Stations Witch High Sampling Frequency on Accuracy of Measurements to Moving Prisms
Authors: Lenda G. , Uznański A. , Strach M.
Published: July 2019

Robotic total stations are a group of surveying instruments that can be used to measure moving prisms. These devices can generate significant errors during kinematic surveys. This is due to the different speeds of the total station’s measurement subsystems, which results in the observations of the point location being performed in different places of the space. Total stations which are several years old may generate errors of up to a few dozen centimeters. More modern designs, with much lower delays of the mechanical and electronic subsystems, theoretically allow to significantly reduce the values of the errors. This study involved the performance of kinematic tests on the modern robotic total station Leica MS50 in order to determine the values of measurement errors, and also to define the possibility of using them for the above-mentioned applications.
The Estimated Quantities of Building Demolition Waste
Authors: Sobotka A. , Sagan J. , Radziejowska A.
Published: July 2019

The aim of the article is to analyze existing foreign experiences presented in the literature in the field of estimating demolition waste and their applicability in Poland condition. Using the case study method for more than a dozen objects, the authors prove the necessity to verify the suitability of the proposed models in relation to regional conditions (e.g. climatic conditions, local technologies, etc.). The amount of concrete waste from demolition of objects made in the analyzed technology is characterized by a low coefficient of variation, especially in the case of public facilities and is only 10%. However, in the case of residential buildings, the volatility was 16,7%. The calculated average index of concrete waste was compared with the two literature models. The results obtained differ from the values obtained from the models. Based on an analysis of the advantages and disadvantages of the selected models and their assumptions, a proposal has been formulated for the development of an effective tool for estimating demolition waste taking into account regional specific conditions together with the concept of sustainable construction. The focus was on waste from demolition of concrete objects.
Nonlinear Longitudinal Shear Distribution in Steel-Concrete Composite Beams
Authors: Grzeszykowski B. , Szmigiera E.
Published: July 2019

This paper describes a fiber-based model proposed for computing the nonlinear longitudinal shear distribution in composite steel-concrete beams. The presented method incorporates the accurate stress-strain relationship with strain softening for concrete and bi-linear constitutive relation for structural steel, both in agreement with Eurocodes, however any one-dimensional constitutive relation can be used. The numerical solution for a simply supported beams loaded with the uniform load, concentrated force and both was presented. The results indicate that the highest value of the shear flow for a beam under an uniform load is at the ends and in the one third of the span length and for the point load, the maximum shear is in the proximity of the concentrated force.
Amplification Factors in the Case of Beam Under Moving Force – Theoretical Analysis
Authors: Ataman M.
Published: July 2019

The impact of a moving load speed on the dynamic overload of beams, assuming that the track of the load has no unevenness, is examined. First the problem of a visco-elastic beam on a Winkler foundation subjected to a force moving at a constant speed will be solved. Using the Bubnov-Galerkin method, the deflections of the beam, and then the bending moments and shear forces will be determined. The solution of the problem will be obtained both for the case of a forced vibration and the case of a free vibration after the moving force has left the beam. Using these solutions, dynamic amplification factors will be determined for the deflections, bending moments, and shear forces, which are different for the two cases.

The magnitude of the amplification factors increases and decreases alternately as a function of the speed. In the case of a single force on a beam, the dynamic overloads are limited, and do not exceed 60%. There is no resonance phenomenon in the beam subjected to the single moving force. The dynamic amplification factors determined in this way can be used as correction coefficients when designing engineering structures subjected to moving loads by static methods.
Mechanical Properties of Hybrid FRP Bars and Nano-Hybrid FRP Bars
Authors: Szmigiera E.D. , Protchenko K. , Urbański M. , Garbacz A.
Published: July 2019

The paper describes the recent developments of Hybrid Fibre-Reinforced Polymer (HFRP) and nano-Hybrid Fibre-Reinforced Polymer (nHFRP) bars. Hybridization of less expensive basalt fibres with carbon fibres leads to more sustainable alternative to Basalt-FRP (BFRP) bars and more economically-efficient alternative to Carbon-FRP (CFRP) bars. The New-Developed HFRP bars were subjected to tensile axial loading to investigate its structural behaviour. The effect of hybridization on tensile properties of HFRP bars was verified experimentally by comparing the results of tensile test of HFRP bars with non-hybrid BFRP bars. It is worth to mention that the difference in obtained strength characteristics between analytical and numerical considerations was very small, however the obtained results were much higher than results obtained experimentally. Authors suggested that lower results obtained experimentally can be explained by imperfect interphase development and therefore attempted to improve the chemical cohesion between constituents by adding nanosilica particles to matrix consistency.
Technical Assessment of Old Buildings by Fuzzy Approach
Authors: Konior J.
Published: July 2019

A group of old apartment houses with the age over 100 years (that is those carried out before the First World War) takes an important place in polish building resources. Technical maintenance of apartment houses, traditional methods erected, is nowadays and will be a valid problem in the nearest future. The results of the work refer to the general population, estimated for 600 objects, that is about 20% of municipal downtown apartment houses in Wrocław.

The purpose of the research was to identify an influence of widely considered maintenance of apartment houses on a degree and intensity of their elements’ deterioration. The goal of the work has been fulfilled by symptoms’ analysis of declining of inspected elements’ exploitation values, that is identification of mechanics of their defects arising.

The range of the work has required creation of original qualitative model of pinpointed defects and its transfer into quantitative one. It has made possible to analyse the reason - effect phenomena „defect - technical wear” relevant to the most important elements of Wroclaw downtown district’s apartment houses. The research procedure has been conducted in accordance of fuzzy sets theory which made possible to describe qualitative model of pinpointed defects and its transfer into a quantitative one.
The History of the Railway Bridges by the Citadel in Warsaw
Authors: Bladyniec T.
Published: July 2019

In 1875 a steel railway bridge was built in northern Warsaw. It had seven spans of 66.22 m and two spans of 15.24 m. In 1908 the second railway bridge was built downstream of the older one. The spacing of supports and spans were the same as in the older bridge. During World War I, both bridges were blown up and then rebuilt, first temporarily and then permanently. Again both were blown up in 1944. In 1945, a temporary crossing was built. In 1947 a permanent bridge was rebuilt, partially replacing rivets with welding. On the pillars of the older bridge, the Gdański Bridge was built (not in this study). In 1963 welded connections were strengthened, in 1980 the structure of the northern track was replaced. In 2016, the northern track was renovated. The replacement of the structure of the southern track is ongoing since 2018.
Analysis of Self-Organising Networks of Communication Between the Participants of a Housing Complex Construction Project
Authors: Śladowski G. , Radziszewska-Zielina E. , Kania E.
Published: July 2019

The article highlights the fact that numerous key decisions in temporary construction organisations are made as a result of informal, non-contractual relationships between organisation members that are not a result of formal organisational structures. These hidden relationships can be visualised in the form of social networks and Social Network Analysis methods (SNA) can be used to perform their structural analysis. In latest studies on self-organising networks in the construction sector, researchers have mostly focused on the design phase of large construction projects, e.g. infrastructural ones. Meanwhile, there exists a need for similar research to focus on temporary organisations created for the purpose of performing construction work. The authors took up this subject and examined a self-organising network of communication between the participants of the construction of a multi-family residential complex located in Katowice, Poland. The structural analysis of this network facilitated its in-depth understanding and identifying certain flaws and dysfunctions concerning individual participants of this project, which became a basis for further discussion. At the same time, the authors highlighted the benefits of managing such a self-organising network in the context of the effective achievement of project goals.
Performance of Electrospun Polyvinylidene Fluoride Nanofibrous Membrane in Air Filtration
Authors: Xiao Yuanxiang , Wen Enlong , Sakib Nazmus , Yue Zhonghua , Wang Yan , Cheng Si , Militky Jiri , Venkataraman Mohanapriya , Zhu Guocheng
Published: July 2019

Polyvinylidene fluoride (PVDF) fibrous membranes with fiber diameter from nanoscale to microscale were prepared by electrospinning. The structural parameters of PVDF fibrous membrane in terms of fiber diameter, pore size and its distribution, porosity or packing density, thickness, and areal weight were tested. The relationship between solution concentration and structural parameters of fibrous membrane was analyzed. The filtration performance of PVDF fibrous membrane in terms of air permeability and filtration efficiency was evaluated. The results demonstrated that the higher solution concentration led to a larger fiber diameter and higher areal weight of fibrous membrane. However, no regular change was found in thickness, porosity, or pore size of fibrous membrane under different solution concentrations. The air permeability and filtration efficiency of fibrous membrane had positive correlations with pore size. The experimental results of filtration efficiency were compared with the predicted values from current theoretical models based on single fiber filtration efficiency. However, the predicted values did not have a good agreement with experimental results since the fiber diameter was in nanoscale and the ratio of particle size to fiber diameter was much larger than the value that the theoretical model requires.
Differential diagnosis of Skeletal Class III
Authors: Kolokitha Olga-Elpis , Georgiadis Thomas
Published: July 2019

Skeletal Class III is a relatively rare malocclusion of the craniofacial complex and the accurate differential diagnosis of its aetiology is necessary so that it may be correctly treated. Differential diagnosis of Class III aetiopathogenesis should distinguish between: a) true skeletal Class III as opposed to pseudo Class III; b) three forms of Skeletal Class III, in which there is either maxillary deficiency only or mandibular excess only or combination of both; and c) skeletal Class III that may be treated with orthodontic treatment alone, as opposed to Class III that is difficult to manage with orthodontic treatment alone and requires combine orthodontic and surgical approach. Differential diagnosis is mainly based on clinical examination and cephalometric analysis. The aim of this paper is to present the basic principles and modes of achieving differential diagnosis in skeletal Class III cases.
Oral health education of staff in long-term care institutions
Authors: Petrovski Mihajlo , Terzieva-Petrovska Olivera , Kovecevska Ivona , Minovska Ana , Ivanovski Kiro , Papakoca Kiro
Published: July 2019

Creating of protocol for the education for oral health and improving oral hygiene among institutionalized elderly is of great significance in prevention of the consequences that can provide numerous oral diseases among the elderly. Activation of as much as possible range of professionals in the field of dentistry in creation of this protocol and the fundamentals for the education of dental staff, and other professionals who care for health also has great significance. In this way with minimal financial loss will be reached maximum benefit-improved quality of life for institutionalized elderly. Taking into consideration the previously mentioned facts about of oral health, the presence of numerous dental problems and increased health needs and poor health among institutionalized elderly the aim of this paper was made to make a draft protocol for education of the staff responsible for care of the institutionalized elderly aged over 65 years. In this paper are presented fundamentals of a proposed protocol for improving of oral health and hygiene among institutionalized elderly. Presented are all disadvantages in of oral health care for the elderly, are given directions and goals in order for improving of oral health and hygiene among the elderly, guidelines and targets for prevention programs to educate the professionals who care for them.
An evaluation of the academic stress'affect on periodontal tissues
Authors: Goleli Hulya , Akkaya Murat , Camgoz Melike
Published: July 2019

Background/Aim: It has been discussed over the years whether emotional stress might be a risk factor for periodontal diseases. The correlation between periodontal disease and stress can still not be explained. Our aim was to evaluate the effects of academic stress on gingival tissues in a prospective design. Material and Methods: The study population consisted of randomly selected 40 dental students. Clinical examinations of plaque (PI), gingival (GI) and sulcus bleeding (SBI) indices, probing pocket depth (PPD) and gingival crevicular fluid flow rate were performed along with State-Trait Anxiety Inventory at three different periods of the school year. Measurements were recorded one month before the finals (1 st period), during the final exams (2 nd period), and two months after the final exams (3 rd period). Results: The changes in mean values of all parameters except plaque and pocket depth between the final and control terms were statistically significant. There was a significant correlation between gingival index and stress, plaque, pocket depth, and sulcus bleeding indices at 1 st period. There was a significant correlation between gingival index and crevicular fluid at 2 nd period. There was a significant correlation between gingival index and plaque, and sulcus bleeding indices at 3 rd period. Conclusions: The present results support the hypothesis that academic stress is a significant risk factor for gingival and periodontal inflammation.
Cytotoxic effects of different aromatic plants essential oils on oral squamous cell carcinoma: An in vitro study
Authors: Lazarević Miloš , Milošević Maja , Petrović Nada , Petrović Slobodan , Damante Giuseppe , Milašin Jelena , Milovanović Branislav
Published: July 2019

Background/Aim: Current approaches in therapy of head and neck cancers are surgery, radiotherapy and chemotherapy. However, recurrence, development of multidrug resistance, side effects, and high costs of therapy are significant problems which point to the need for more efficient and less toxic drugs and interventions. Material and Methods: Eight essential oils obtained from Thymus serpyllum, Mentha piperita, Juniperus communis, Rosmarinus officinalis, Melissa officinalis, Achillea millefolium, Zingiber officinale, and Helichrysum arenarium were tested for their anti-proliferative on oral squamous cell carcinoma (OSCC) culture and SCC-25 cell line. Cytotoxicity assays (MTT and Neutral red) were used to detect the effect of the mentioned essential oils. Results: T. serpyllum, M. piperita, J. communis, and R. officinalis essential oils exhibited the best anti-proliferative effect, on both types of cells. M. piperita had the greatest effect on SCC-25 cell line (4,5% of viable cells) and OSCC cells (7,2% of viable cells). Overall, cytotoxicity was higher in OSCC than in SCC-25 cell line. Conclusions: This study showed a clear anti-proliferative effect of four essential oils, in vitro making them novel potential antineoplastic agents.
Evaluation of toothbrush contamination
Authors: Ćetenović Bojana , Zdravković Nemanja , Marković Dejan
Published: July 2019

Background/Aim: Toothbrushes are one of the main means of cleaning teeth and maintaining oral hygiene, but toothbrushes are also potential reservoir of microorganisms, including pathogens. The aim of this paper was to evaluate the oral health, oral hygiene awareness and assess the degree of contamination of toothbrushes among students attending Secondary Medical School. Material and Methods: Sixty students (32 boys, 28 girls; mean age ≅ 15,7±2,1) attending highschool were randomly selected for this study. Each student included in the study filled out a questionnaire regarding his/her life habits and oral hygiene. Clinical examinations were initiated in order to determine the DMFT, as well as the CIP, CIT, CIA and CPITN indexes, based of which the assessment of oral health status was performed. One stack of fiber was collected from each toothbrush used by the participantes in the study, and than prepared for further microbiological sampling. Results: Only 11% of the students had the awareness of potential sources of toothbrushes contamination. The average value of DMFT was 3,2 (%D = 22,5; %M = 4,96; %F = 72,5). A statistically significant difference in comparison of the CPITN index and subjects' response to the professional plague removal in the last 12 months was identified (χ2 = 13,55; p= 0,033). Staphylococcus aureus, Streptococcus mutans, Micrococcus species and Streptococcus salivarius were most commonly present microorganisms. In most cases, G-positive bacilli or cocci were isolated, while the presence of Candidae albicans was identified in four samples. Conclusions: Raising the awareness of dental hygiene through the oral health education may improve better plaque control and subsequently the oral health. Hands-on training how to maintain the oral hygiene are not expensive and more over they are easy to be organized can be useful in oral heath promotion.