bluuebunny/crossref_metadata_2025_split huggingface dataset:
Effects of 2,2-dichloroacetamide (DCAcAm), an emerging disinfection by-product in drinking water, on the intestinal microbiota of adult zebrafish
Authors: Xue Bin , Li Chenyu , Wang Shang , Zhao Chen , Dai Kun , Li Wenhong , Xi Zhuge , Wang Jingfeng , Qiu Zhigang , Shen Zhiqiang 
Published: July 2019

Abstract
The presence of disinfection by-products (DBPs) increases the mutagenicity of water and may pose adverse health effects. Gut microbiota exerts a fundamental role on host physiology, and how extrinsic perturbations influence its composition has been increasingly examined. However, the effect of DBPs on gut microbiota is still poorly understood. In the present study, adult zebrafish were exposed to different concentrations of dichloroacetamide (DCAcAm, an emerging nitrogenous DBP) for 30 days. Sequencing of 16S rRNA amplicons revealed a significant change in the richness and diversity of microbiota in the gut of DCAcAm-exposed zebrafish. At the phylum level, the abundance of Proteobacteria decreased and the abundance of Fusobacteria and Firmicutes increased significantly in the gut after exposure to 100 and 500 μg/L DCAcAm. At the genus level, the abundances of several bacteria which are considered pathogens or opportunistic pathogens in fish and closely related to fish metabolism, disease and inflammation (Aeromonas, Stenotrophomonas, Bacteroides and Ralstonia) increased in the DCAcAm-treated groups. Our results reveal that DBPs in drinking water potentially affect gut microbiota composition, which may contribute to the toxicity assessment of DBPs in future and provide new insight into the complex interactions between the DBPs in drinking water and host health.
Constructing a fabula of resilience: a lived experience approach
Authors: Ching Leong , Yishu Zhou , Rajoo Nisha Francine , Tan Sarah Ruiqi 
Published: July 2019

Abstract
Recent research in the studies of socio-ecology has raised an intriguing side effect associated with coping strategies and perceptions of environmental risk – where a perceived ability to cope with the effects of climate change and ecological degradation leads to an over-estimation of self-reliance and resilience. Known as the ‘paradox of resilience’, little has been understood about how or when such over-estimations occur. This paper sheds light on such phenomena by constructing a fabula (or narrative structure) of the paradox by investigating the case of extreme water shortage and the coping strategies of residents in the Kathmandu Valley, Nepal. Despite the long delay in providing public access to water, and the high cost this imposes on the public, members of the public have grown accustomed to the unreliable water supply, and willingly accept the high and coping costs of finding alternative sources of water. Using the lived experiences method, the paper reveals a link between self-perceptions of resilience, the incremental nature of the problem, a perceived ability to pay coping costs, and a lack of confidence in government capacity.
Detection of multiple leakage points in water distribution networks based on convolutional neural networks
Authors: Fang QianSheng , Zhang JiXin , Xie ChenLei , Yang YaLong 
Published: July 2019

Abstract
Currently, a total of 3.6 billion people live in water-deficient areas, and the population living in water-deficient areas may reach from 4.8 to 5.7 billion by 2050. Despite that, the water distribution system (WDS) loses an average of 35% of its water resources, and the leakage rates may reach even higher values in some regions. The dual pressures of the lack of water resources and severe WDS leakage become even more problematic considering that commonly used leakage detection methods are time-consuming, labour-intensive, and can only detect single-point leakages. For multiple leakage point detection, these methods often perform poorly. To solve the problem of multiple leakage point detection, this paper presents a method for multiple leakage point detection based on a convolutional neural network (CNN). A CNN can forecast the leakages from a macro-perspective. It extracts the features of the collected historical leakage data by constructing a CNN model and predicts whether the real-time data are leakage data or not based on the learning of the features that are extracted from the historical data. The experimental results show that the detection accuracies based on 21 sensors of one, two, and three leakage points are 99.63%, 98.58% and 95.25%, respectively. After the number of sensors is reduced to eight, the leakage detection accuracies of one, two, and three leakage points are 96.43%, 94.88% and 91.56%, respectively.
Effect of inorganic salts on inactivation of Escherichia coli and removal of fulvic acid by ozone in a rotating packed bed
Authors: Liu Han , Liu Taoran , Wang Dan , Wang Wei , Liang Qi , Arowo Moses , Shao Lei 
Published: July 2019

Abstract
This study investigated the effect of different inorganic salts on the treatment of simulated secondary effluent (SE) by ozone (O3) in a rotating packed bed (RPB) – (O3-RPB process), with Escherichia coli (E. coli) and UV254 of fulvic acid as the indicators. The inactivation efficiency of E. coli and removal percentage of UV254 were studied under different rotation speeds of the RPB and varying concentrations of inorganic salts such as NaHCO3, Na2SO4 and CaCl2. Results indicate that both the inactivation efficiency of E. coli and removal percentage of UV254 increased with an increasing rotation speed of the RPB but decreased with an increase in concentrations of the inorganic salts. Analyses on the mechanism of the treatment process reveal that the inorganic salts consume O3 and ·OH to generate products with lower oxidation ability, and thus result in a poor treatment effect on the effluent. This work provides fundamentals for the O3-RPB process in the treatment of SE from urban wastewater treatment plants.
Removal of phosphate by Donnan dialysis coupled with adsorption onto calcium alginate beads
Authors: Trifi Ikhlass Marzouk , Trifi Beyram , Ben Ayed Sirine , Hamrouni Béchir 
Published: July 2019

Abstract
In this study the removal of phosphates from solution by Donnan dialysis and by adsorption onto calcium alginate beads were studied separately and then together. This hybrid process was conducted in order to benefit from each process, and it is an original and new combination. First, the Donnan dialysis process was performed with different parameters: the type of counter-ion, the concentration of the counter-ion, the initial phosphate concentration, the pH of the solution and the choice of anion-exchange membranes. Donnan dialysis achieved 68% and 12.5% phosphorus removal with AMX and AFN membranes respectively. Then a preliminary study into the adsorption of phosphate onto calcium alginate beads was carried out. A full factor design was applied in order to determine the effect of the main parameters and their mutual interactions for the adsorption process. The removal of phosphate onto calcium alginate beads reached 82.5%. Finally, coupling Donnan dialysis with adsorption onto calcium alginate beads for the removal of phosphate reached 89.5% with the AMX membrane. This hybrid process can be considered to be a solution for improving the contact time and for enhancing the removal of phosphate by 10% compared to adsorption onto calcium alginate.
CORPORATE SOCIAL RESPONSIBILITY: CHANGING A MARGINAL COMMUNITY INTO A SUSTAINABLE HOME INDUSTRY SUPPLYING TRADITIONAL SNACKS TO A STAR HOTEL
Authors: - Purwanto , Suhardjanto Djoko , - Warto , - Supriyadi 
Published: July 2019

Corporate Social Responsibility plays more and more crucial roles in the development of hotel business since many hotels were built the area where marginal people live and have conflict potentials between the hotel management and the marginal communities. This study aims to find a model of changing a marginal community around Pose In Hotel into a sustainable home industry supplying snacks to the hotel through Corporate Social Responsibility (CSR) at Surakarta City, Central Java Province. This research uses qualitative methods. This study found that (1) methods of local needs based training was conducted effectively and appropriately to empower the marginal community living around Pose In Hotel. The methods gave trainees the opportunity to experience making, packaging and displaying traditional snacks; (2)Â the outcome is in the form of sustainability livelihood which creates new sustainable jobs for the community as a supplier of traditional snacks; and (3) the implementation of CSR creates harmonious relation between the management of Pose In Hotel and the community.
The Analysis of Adolescents Knowledge of Condom and Free Sex Behavior
Authors: Juwita Selvia , Muflihatin Indah 
Published: July 2019

<div class="WordSection1"><p align="center"> </p><p><em>Teenagers are a group of young people in the transition from children to adulthood. At this particular period adolescents have experienced rapid physical and psychological development in which physically they are considered to be adults but psychologically immature. In terms of biological development, most teenagers are mature, but socially, mentally and emotionally still cannot be considered to be matured. Thus, such condition might trigger a variety of adolescent problems such as drug abuse, pre-marriage sex which will likely result in unexpected pregnancies and even illegal abortion. This study aims to identify and analyze adolescent knowledge of condoms and the incidence of free sex behavior. The research used cross sectional method with a sample of 70 people taken in total sampling. Data were analyzed with fisher exact. The results showed a significant correlation between knowledge and kissing and petting behavior with p value 0.02 &lt;0.05. Yet, No relationship showed up between knowledge and necking behavior (p value of 0.13) and sexual intercourse (0.43) Based on the study results, schools are expected to cooperate with local health centers to provide counseling on adolescent reproductive health, especially on free sex behavior</em></p></div>
The Evaluation Of The Implementation Of Preceptorship Model Training In Blud Rsud Nabire With Kirkpatrick Approach
Authors: Susanto Wibowo Hanafi Ari , Susanto Wibowo Hanafi Ari , Susanto Wibowo Hanafi Ari 
Published: July 2019

<p>Background: Preceptorship model is a continuous learning system that involves the role of nurses as role models and students in the clinical setting, the goal of preceptorship model learning is to form students to become professional nurses, having full sense of responsibility and knowledgeable, so that it will be able to improve the quality of nurses especially in the clinical setting as evidenced by accountability in the work, competence, therapeutic communications in the clinical setting. Preceptorship training is an activity to improve preceptor knowledge about nursing science development so that it can be implemented on the practice ground or guidance process. The effectiveness of a training program can be evaluated on the training process. Evaluating the training program is the last stage in the training itself. Kirkpatrick divides four levels in evaluating the process. There are reaction, learning, behavior and result of training.</p><p>Objective: To analyze the evaluation of the implementation of the preceptorship model training at the BLUD RSUD Nabire with a Kirkpatrick approach.</p><p>Method: The research method used was a descriptive quantitative. The total sample size was 14 respondents with a total sampling technique. Respondents were given intervention in the form of training of preceptorship model</p><p>Result: The reaction level showed a high positive reaction to the training of 86,83%, Knowledge level showed improvement in third measurement with a good category of 100% and attitude showed a positive category of 100%, behavior level showed the implementation of learning in a good category of 71 , 4% and the result level showed the result of B+ of 50%</p><p>Conclusion: There was an influence of the implementation of Preceptorship Model training on reaction, learning, behavior and result. It was expected that clinical learning method could be integrated into nursing education curriculum.</p><p> </p><p><strong>Keywords:</strong> Precepthorship Model; Training; Kirkpatrick</p>
Pengaruh Media Kartu terhadap Hasil Belajar Matematika Siswa di Kelas VII SMP Negeri 10 Palembang
Authors: Muslimin Muslimin , Sunardi Sunardi , Shaumi Shaumi 
Published: July 2019

Abstrak
Tujuan penelitian ini adalah untuk mengetahui apakah ada pengaruh metode pembelajaran demonstrasi menggunakan media kartu terhadap hasil belajar matematika siswa materi bilangan bulat di kelas VII SMP Negeri 10 Palembang. Subjek yang diteliti yaitu siswa kelas VII SMP Negeri 10 Palembang. Jenis penelitian ini adalah eksperimen yang dilakukan terhadap populasi. Dari data yang telah terkumpul diperoleh nilai rata-rata hasil belajar matematika siswa yang mengikuti pembelajaran dengan metode demonstrasi menggunakan media kartu adalah 76,26 dengan jumlah siswa 34 orang. Sedangkan hasil belajar matematika siswa menggunakan strategi pembelajaran ekspositori diperoleh nilai rata-rata 65,88 dengan jumlah siswa 34 orang. Karena penelitian dilakukan pada populasi, maka statistik yang digunakan adalah statistik deskriptif. Hipotesis dalam penelitian ini diterima apabila nilai rata-rata kelas eksperimen > nilai rata-rata kontrol. Jadi, sesuai dengan hasil penelitian bahwa nilai rata-rata kelas eksperimen yaitu 76.26 > nilai rata-rata kelas kontrol yaitu 65,88. Maka hipotesis diterima atau ada perbedaan antara hasil belajar dengan metode demonstrasi menggunakan media kartu dan hasil belajar menggunakan strategi pembelajaran ekspositori pada pokok bahasan penjumlahan dan pengurangan pada bilangan bulat di kelas VII SMP Negeri 10 Palembang.
Kata Kunci: media kartu, penjumlahan dan pengurangan bilangan bulat

Abstract
The purpose of this study was to determine whether there was an effect of the demonstration learning method using card media on the mathematics learning outcomes of integer material students in grade VII SMP Negeri 10 Palembang. The subjects studied were students class VII of SMP Negeri 10 Palembang. This type of research is an experiment carried out on the population. From the data that has been collected, it is obtained that the average value of the mathematics learning outcomes of students who take the learning method using the media card demonstration is 76.26 with a total of 34 students. While the mathematics learning outcomes of students using expository learning strategies obtained an average value of 65.88 with a total of 34 students. Because the research was carried out on the population, the statistics used were descriptive statistics. The hypothesis in this study is accepted if the average value of the experimental class > the average value of the control. So, in accordance with the results of the study that the average value of the experimental class is 76.26 > the average value of the control class is 65.88. So the hypothesis is accepted or there is a difference between learning outcomes and the demonstration method using card media and learning outcomes using expository learning strategies on the subject of addition and subtraction of integers in class VII SMP Negeri 10 Palembang.
Keywords: card media, addition and subtraction of integers
Analisis Pengaruh Minat Belajar Siswa MA Dengan Menggunakan Aplikasi Geogebra Pada Materi SPLDV
Authors: Putri Ayu Dwi , Hasnita Siti , Vilardi Mulkah , Setiawan Wahyu 
Published: July 2019

Abstrak
Artikel ini merupakan penelitian pengaruh minat belajar siswa terhadap aplikasi geogebra pada materi sistem persamaan liner dua variabel (SPLDV) di kelas X-A Madrasah Aliyah. Penelitian ini dilakukan bertujuan untuk mengetahui tingkat minat belajar matematika siswa yang berada di MA Al Barry Cikalongwetan.Penelitian ini menggunakan metode survey dan korelasional.Sejumlah 22 orang siswa kelas XI MA Al Barry Cikalongwetan digunakan sebagai sampelnya. Instrumen non tes yaitu kuisioner minat belajar yang diberikan sebanyak 20 butir pernyataan, yang terdiri dari 10 pernyataan positif dan 10 pernyataan negatif. Hasil penelitian yang diperoleh berdasarkan tes kuisioner yang dilakukan adalah bahwa minat belajar siswa terhadap aplikasi geogebra pada materi sistem persamaan liner dua variabel (SPLDV) di MA Al Barry Cikalongwetan tergolong sangat rendah.
Kata kunci: Minat Belajar, Geogebra, SPLDV

Abstract
This article is a study of the influence of students' interest in learning on the application of geogebra in the material of two variable liner equations in class X-A High School Students. This study was conducted to determine the level of interest in mathematics learning of students at Al Barry High School in Cikalongwetan. This study uses survey and correlational methods. A total of 22 grade XI students at Al Barry Cikalongwetan High School were used as samples. The non-test instrument was a questionnaire of learning interest which was given as many as 20 statements, consisting of 10 positive statements and 10 negative statements. The results of the study obtained based on the questionnaire test conducted is that students' learning interest in the application of geogebra in the material system of two-variable linear equations in Al Barry High School in Cikalongwetan was very low.
Keywords: Learning Interest, Geogebra, SPLDV
Perceived Effectiveness on the Use of English Language in Teaching Mathematics and Science
Authors: HUSARIDA HUSARIDA , DOLLETE ROLANDO 
Published: July 2019

This study investigated the perceived level of effectiveness on the use of English in teaching mathematics and science in one bilingual school in Jambi, Sumatra, Indonesia. Students from grades 5 and 6 and six teachers participated in the study by providing data on their experiences in learning and teaching Mathematics and Science using English medium for instruction. A questionnaire was used in this study consisting of the socio-demographic characteristics of the students and teacher, school factors, perceived level of effectiveness on the use of English in teaching mathematics and science. Statistical procedures of descriptive statistics and Pearson correlation using SPSS 20 were used to analyze data. The major findings of the study were (1) most participants perceived that English medium instruction helped them in improving their English reading and writing skills; (2) most participants agreed with the helpfulness of English as a Medium Instruction; (3) there was no significant relationship between teachers’ socio-demographic characteristics and the perceived level of effectiveness on the use of English in teaching Mathematics and Science; (4) there was a significant relationship between students’ socio-demographic characteristics and the perceived level of effectiveness on the use of English in teaching mathematics and science; (5) there was a significant relationship between school factors such as facilities and equipment with the perceived level of effectiveness on the use of English in teaching mathematics and sciences perceived by students; (6) there was a negative significant relationship between school factors and the perceived level of effectiveness on the use of English in teaching mathematics and science perceived by teachers. Recommendations are also discussed.
ANALISIS ASPEK GRAMATIKAL DAN LEKSIKAL PADA CERPEN KETEK IJO KARYA M. FAJAR KUSUMA
Authors: Izar Julisah , Afria Rengki , Sanjaya Dimas 
Published: July 2019

Tujuan dari penelitian ini adalah untuk mengetahui: (1) Bagaimana bentuk kohesi gramatikal yang terdapat pada cerpen Ketek Ijo karya M.Fajar Kusuma dan (2) Bagaimana bentuk kohesi leksikal pada cerpen Ketek Ijo karya M.Fajar Kusuma Jenis penelitian ini adalah kualitatif deskriptif. Data dianalisis dengan menggunakan metode padan dan agih. Metode padan yang digunakan adalah metode padan referensial dengan teknik lanjutan unsur pilah penentu (PUP), yaitu dengan memilah kalimat-kalimat yang memiliki penanda kohesi gramatikal dan leksikal. Teknik dasar yang digunakan dalam metode agih adalah bagi unsur langsung (BUL). Keabsahan data diperoleh dari ketekunan pengamatan dan triangulasi. Instrumen penelitian adalah humant instrument.
Peneliti menjadi alat pengumpul data utama sekaligus menganalisis langsung data yang telah dikumpul tersebut Hasil penelitian menunjukkan hal-hal berikut. Pertama, bentuk penanda kohesi gramatikal yang muncul adalah referensi, substitusi, konjungsi, dan elipsis. Kedua, bentuk kohesi leksikal yang muncul adalah repetisi, sinonimi, antonimi, hiponimi, kolokasi dan metonimia.
Left Ventricular Adaptations in Herding Dogs
Authors: Costa Martins Raimy , Da Exaltação Pascon João Paulo , Guzmán Béltran Karen , De Arruda Mistieri Maria Ligia 
Published: July 2019

Background: Athlete’s heart syndrome comprises a set of functional and anatomic cardiac changes secondary to intense and prolonged physical exercise in humans and animals. The heart adapts to the type of activity performed, and Doppler echocardiography is the best tool for identifying these changes. Speckle tracking echocardiography (STE) has provided new data on cardiovascular adaptations secondary to physical exercise in humans, information that conventional echocardiography cannot provide. Although physical activity and work in dogs are well documented, there are few studies on cardiovascular adaptations secondary to exercise in dogs, and no studies to date evaluated these adaptations using STE.Materials, Methods &Results:A total of 31 dogs of the Border Collie and OvelheiroGaúchoBrasileiro breeds were divided into two groups: a herding group (HG, n = 15), which performed herding activity five to six times a week for at least 4 months, and a sedentary group (SG, n = 16), with no history of physical activity in the past twelve months. All dogs were previously subjected to electrocardiography and blood pressure measurement. After that, the animals underwent echocardiographic examination at rest at a single time point. The data were analyzed by two-way multivariate analysis of variance (ANOVA) at a level of significance of 5% (P < 0.05) and a trend at 90% (P < 0.1). The dogs of the HG had higher values for left-ventricular end-systolic diameter (LVESD) and systolic volume (SV), and lower values for left-ventricular myocardial performance index (Tei index) and systolic septal movement. STE results indicated that the HG presented lower values for strain and strain rate in some myocardial segments in the radial, circumferential, longitudinal, and transverse directions.Discussion:The increase in LVESD is justified by the increase in preload (volume) required to meet the increased oxygen demand, whereas SV is directly related to the Frank-Starling mechanism. The lower Tei index in the HG indicates better systolic-diastolic performance, explained by a shorter isovolumetric relaxation time and isovolumetric contraction time and by an increase in left ventricular (LV) ejection time. Similar results were not observed in LV systolic wall motion. Therefore, we believe that the most likely explanation is a higher systolic efficiency, associated with lower energy demand at rest. According to STE criteria, the lower strain and strain rate in the HG in some myocardial segments in all directions suggest less need for myocardial deformation and lower deformation velocity in order to maintain systolic function. In conclusion, conventional echocardiography and STE were complementary and fundamental to understand cardiovascular adaptations in herding dogs.