bluuebunny/crossref_metadata_2025_split huggingface dataset:
Analisis Respon Peserta Didik dalam Implementasi Lembar Kerja Berorientasi Pemecahan Masalah
Authors: Kahar Muhammad Syahrul , Layn Muhamad Ruslan 
Published: December 2018

Proses pembelajaran di kelas masih banyak dilakukan secara konvensional, hal ini berdampak pada aktivitas dan respon peserta didik dalam pembelajaran yang dilaksanakan oleh guru lebih membosankan yang mengakibatkan peserta didik kurang aktif, kurang termotivasi dalam pembelajaran. Adapun tujuan dalam penelitian ini adalah untuk mengindentifikasi respon peserta didik dalam implementasi lembar kerja yang berorientasi pemecahan masalah. Metode penelitian menggunakan pendekatan kuantitatif, data yang dikumpulkan berupa lembar respon peserta didik dan wawancara. Populasi sekaligus sampel yang digunakan yakni peserta didik kelas XI MIA SMA Muhammadiyah Al Amin Sorong yang berjumlah 18 peserta didik. Hasil penelitian menunjukkan bahwa rata-rata persentase respon peserta didik terhadap implementasi Lembar kerja peserta didik adalah 77,78 %, persentase tersebut sudah termasuk dalam kategori setuju yang lebih dominan, artinya kriteria tersebut termasuk dalam kategori positif. Dari rata-rata perolehan itu, 22,22 % atau sebanyak 4 peserta didik menjawab sangat setuju terhadap implementasi Lembar kerja tersebut Temuan ini memperjelas bahwa persepsi akan respon peserta didik terhadap pelaksanaan pembelajaran menggunakan Lembar kerja peserta didik berorientasi pemecahan sangat positif dan juga memicu peningkatan kemampuan peserta didik dalam mengikuti pembelajaran. The process of learning in the classroom is still mostly done conventionally; this has an impact on the activities and responses from learners in the lessons learned by the teacher is more over and over which resulted in less active students, less motivated in learning. The purpose of this research is to identify the perceptions of the learners' responses to the implementation of the problem-oriented learner workbook. The research method using the quantitative approach, the data collected in the form of responders letters and interviews. Population, as well as samples used, are students of class XI MIA SMA Muhammadiyah Al Amin Sorong which amounted to 18 students. The results showed that the average percentage of learners' response to the implementation of the learner's worksheet is 77.78%, the percentage is already included in the agreement on category more dominant, meaning the criteria were included in the positive category. From the average of the acquisition, 22.22% or as many as four students answered strongly agree on the implementation of the Worksheet. This finding make clear that the perceptions of the learners' response to the implementation of learning to use the worksheet oriented solving very positive and also trigger an increase in ability learners in following the lesson.
Kemampuan Literasi Sains Fisika Siswa SMP Kelas VII Di Sumatera Selatan Menggunakan Kerangka PISA (Program for International Student Assesment)
Authors: Andriani Nely , Saparini Saparini , Akhsan Hamdi 
Published: December 2018

Penelitian ini bertujuan untuk menganalisis kemampuan literasi sains fisika siswa SMP Kelas VII di Sumatera Selatan menggunakan kerangka PISA. Metode penelitian adalah deskriptif kuantitatif untuk mendapatkan gambaran kemampuan literasi sains dalam IPA (fisika) siswa tanpa memberikan perlakuan kepada siswa. Teknik pengumpulan data berbentuk tes tertulis. Penilaian disesuaikan dengan kriteria penilaian PISA. Variabel penelitian ini adalah pencapaian kemampuan literasi sains siswa pada konten fisik. Sampel diambil dengan menggunakan purposive sampling meliputi SMP N 1 kota Palembang, SMP N 1 kota Prabumulih, dan SMP N 1 kabupaten Ogan Ilir pada semester ganjil tahun ajaran 2017/2018. Hasil Penelitian diperoleh persentase pencapaian siswa yang paling tinggi pada level 2 sebesar 54,9 dan terendah pada level 5 yaitu hanya sebesar 28,1 dari skala maksimum 100. Secara keseluruhan rerata persentase hasil kemampuan literasi sains siswa SMP di Sumatera Selatan berdasarkan Kompetensi Proses Sains, yaitu 47,1. Hasil penelitian menunjukan kemampuan literasi sains siswa SMP di Sumatera Selatan secara keseluruhan ditinjau dari level soal dan kompetensi proses sains diperoleh hasil masih sangat rendah. This research aims to analyze the ability of Physics Science Literacy of Grade VII Middle School Students in South Sumatra by using the PISA Framework. The research method is a quantitative descriptive method that aims to get a picture of scientific literacy abilities in science (physics) students without giving treatment to students. The assessment is adjusted to the PISA assessment criteria. The variables of this study was the achievement of students' science literacy skills in physical content. Data collection techniques by written tests. Samples were taken using purposive sampling and the research sample are SMP N 1 kota Palembang, SMP N 1 kota Prabumulih, dan SMP N 1 Kabupaten Ogan Ilir The results of the study showed that the highest percentage of student’s achievement at level 2 was 54.9 and the lowest was at level 5, which was only 28.1 from the maximum 100 scale. While the overall percentage of the results of the scientific literacy skills of junior high school students in South Sumatra was based on Science Process Competence. that is 47.1. Based on the results of the research that has been carried out, it can be concluded that the scientific literacy skills of junior high school students in South Sumatra as a whole in terms of the level of questions and competency of science processes are still very low.
Model of Electromagnetic Emitter Based on a Stream of Single Electrons inside Curved Carbon Nanotube
Authors: Poklonski N. A. , Vyrko S. A. , Vlassov A. T. , Siahlo A. I. , Ratkevich S. V. 
Published: December 2018

The problems of elaboration and application of microand nanometer sized antennas for the generation and reception of electromagnetic radiation is still relevant in both fundamental and applied aspects. With decreasing antenna size, the frequency of electromagnetic radiation increases, and its power decreases. To increase the radiation power, the periodic (in space) electrodynamic structures are used. The aim of the work is to find the possibility of application of injection and (quasi)ballistic drift of single electrons inside curved carbon nanotubes for emission of electromagnetic waves in the microwave range and to determine the parameters of the radiating system that affect the radiation power.By the calculation within the framework of classical electrodynamics it is shown the possibility in principle of generation of electromagnetic radiation of the gigahertz range by a stream of single electrons inside a hollow curved dielectric carbon nanotube.It was found that the spectrum and power of this radiation can be controlled by varying the electron flux density, length and curvature of the hollow nanotube.The results of the work can be applied for elaboration of a microminiature emitter of microwave electromagnetic radiation based on a curved carbon nanotube in the engineering of contactless probe microscopy.
Support tools to predict the critical structural condition of uninspected pipes for case studies of Germany and Colombia
Authors: Hernández Nathalie , Caradot Nicolas , Sonnenberg Hauke , Rouault Pascale , Torres Andrés 
Published: December 2018

Abstract
Several deterioration models have been used to predict the structural condition of sewer pipes, and some have been applied in different cities in the world. However, each one of these models has not been proved simultaneously for case studies with different characteristics (topographic conditions, soil uses, demographic growth, utilities' service operation and city's dynamic) and the use of their predictions have not been analyzed to support different management objectives. Therefore, the objective of this work was to assess the prediction results of two models (based on Logistic Regression and Random Forest (RF) methods), which previously have been identified as successful in other experiences, for two different case studies (a city in Colombia and a city in Germany). The prediction assessment was carried out by three analysis techniques (Positive Likelihood Rate (PLR) index, performance curve and deviation analysis). According to the results, we found that: (i) the model based on RF was the one that could be useful as a support tool in the sewer asset management of both case studies; (ii) for the German city, the prediction results could be useful for designing strategic investment plans in order to know the number of pipes that the utility should rehabilitate each year; and (iii) for the Colombian city, the predictions are appropriate to make decisions concerning inspection or rehabilitation plans, since the probability of identifying the sewer's assets in critical condition (C4) correctly (according to the analysis of the sample of the 10% of sewers with the highest probability to be in this condition) is around 63% and could be 83% if the stakeholders also consider in these plans the misclassification of those pipes in a bad structural condition (C3).
Analysis of raw water quality from Vaalkop dam, South Africa
Authors: Nyende-Byakika S. 
Published: December 2018

Abstract
This paper discusses raw water quality results for the raw water from Vaalkop dam reservoir in South Africa. A time series analysis was conducted for various parameters over a prolonged period of time. The analysis indicates that apart from conductivity and coliform counts, most parameters were below their recommended threshold levels for the greatest part of the study period.
Field testing a remote monitoring system for hand water pumps
Authors: Swan A. , Skipworth P. , Walker L. , Thursfield G. 
Published: December 2018

Abstract
Throughout Africa, many hand water pumps malfunction and remain inoperable for long periods of time. Previous studies from a number of sub-Saharan countries have indicated that in some regions up to 65% of hand pumps may be broken. It is reported that robust monitoring of remote water pumps can help address some of these problems. However, traditional project monitoring strategies generally rely on physical site visits to remote locations. These visits can be time consuming and resource intensive, which in turn may delay the implementation of pump repairs. In contrast, recent years have seen the emergence of a range of new monitoring technologies that use mobile phone networks to rapidly report the operational status of water projects from remote sites. The authors describe the development of a new monitoring system, called MANTIS, which is intended for hand pumps in developing regions. The paper presents data from early field trials of MANTIS in Sierra Leone and The Gambia. The unit relays ‘near real time’ operational data from the water pump to an accessible online platform.
Assessment of accessibility of safe drinking water: A case study of the Goreangab informal settlement, Windhoek, Namibia
Authors: Lewis Earl Wesley , Siyambango Nguza , Lendelvo Selma 
Published: December 2018

Abstract
Water accessibility in informal settlements remains a challenge in sub-Saharan Africa. In this study water accessibility in the Goreangab informal settlement, Windhoek, Namibia was analyzed. Semi-structured (n – 105) and key informant interviews (n – 3) were conducted. Long distances and financial constraints are the main reasons for poor water accessibility. Only 11% of residents live within 1 km of a safe drinking water source, the recommended safe distance by the World Health Organization on minimum water access standards. Considering local factors, incorporating an integrated water resource management framework and a public–private partnership is suggested to improve the settlement's water supply management.
New techniques for real-time monitoring of reverse osmosis membrane integrity for virus removal
Authors: Frenkel V. S. , Cohen Y. 
Published: December 2018

Abstract
This paper presents methodology, concept and results of the WateReuse Foundation project WFR – 09 – 06b when developing a high pressure membrane, reverse osmosis (RO) and nanofiltration (NF) online membrane integrity testing (MIT) technique. The use of pressure-driven membrane processes, particularly RO, has grown significantly over the past few decades in water treatment and reuse applications to safeguard water supplies against harmful pathogens and impurities. In principle, RO membranes should provide a complete physical barrier to the passage of nanosize pathogens (e.g., enteric viruses). However, in the presence of imperfections and/or membrane damage, membrane breaches as small as 20 to 30 nm can allow enteric viruses to pass through the membrane and contaminate the product water stream, thereby posing a potential health hazard that is of particular concern for potable water production. This project was focused on evaluating a pulsed-marker membrane integrity monitoring (PM-MIMo) approach for RO processes on the basis of the use of a fluorescent marker. The monitoring approach employs pulsed dosing (via a precision metering pump) of a marker into the RO feed stream coupled with online marker concentration monitoring in the RO permeate by an inline spectrofluorometer. Membrane integrity is then inferred on the basis of real-time analysis of the marker permeate time − profile concentration in response. The basic concept of the PM-MIMo approach for detecting membrane breaches was successfully demonstrated, by comparing intact and damaged membranes, in a series of experiments using a diagnostic plate-and-frame RO system and spiral-wound RO pilot system. Results of the developed technique are presented in the project report to allow the industry to consider adopting this technique for RO/NF online integrity monitoring.
Isolation and identification of an aerobic denitrifying phosphorus removing bacteria and analysis of the factors influencing denitrification and phosphorus removal
Authors: Xu Hongying , Jin Ru , Zhang Chan , Wu Yupeng , Wang Xiaohui 
Published: December 2018

Abstract
Excessive emission of plant nutrients (such as nitrogen and phosphorus) into the water body can induce eutrophication. Therefore, how to control eutrophic water efficiently and economically is very important. In the paper, highly efficient aerobic denitrifying phosphorus removing J16 bacteria was isolated from the activated sludge of an aerobic bioreactor in Taiyuan municipal wastewater treatment plant by using the blue–white spot screening method, an aerobic phosphorus absorption test, nitrate reduction test, nitrogen removal experiments, and plate coating and streaking methods. Through 16S rDNA gene homology comparison and physiological and biochemical identification, the J16 strain was preliminarily identified as Escherichia coli, with a sequence similarity of 99%. The 16S rDNA sequence of strain J16 was submitted to GenBank (accession number: MF667015). The effect of temperature, pH, percentage of inoculum and phosphate-P (PO43−-P) concentration on denitrification and phosphorus removal efficiency was investigated through a single-factor experiment. The optimum conditions of the J16 strain for denitrification and phosphorus removal were as follows: 30°C, neutral or weak alkaline (pH: 7.2–8), and 3% of inoculum, respectively. The denitrification and phosphorus removal efficiency of strain J16 was the highest when PO43−-P and nitrate-N(NO3−-N) concentrations were 8.9 and 69.31 mg/L, and the removal were 96.03% and 94.55%, respectively. In addition, strain J16 could reduce phosphoric acid to phosphine (PH3) and remove some phosphorus under hypoxia conditions. This is the first study to report the involvement of Escherichia coli in nitrogen and phosphorus removal under aerobic and hypoxia conditions. Based on the above results, the strain J16 can effectively remove nitrogen and phosphorus, and will be utilized in enhancing treatment of nitrogen and phosphorus-containing industrial wastewater and phosphorus reclamation.
Effect of C/N ratios on nitrogen removal and microbial communities in the anaerobic baffled reactor (ABR) with an anammox-coupling-denitrification process
Authors: Chen Chongjun , Zhang Min , Yu Xuliang , Mei Juan , Jiang Ying , Wang Yaoqi , Zhang Tian C. 
Published: December 2018

Abstract
Effects of different C/N (NO2–N) ratios on nitrogen removal and microbial community structure were investigated using an anaerobic baffled reactor (ABR). Results indicated that the C/N ratio exerted an important effect on nitrogen removal in the anammox-coupling-denitrification process associated with the ABR. When the C/N ratio was 1.29, the ABR could achieve the highest total nitrogen (TN) removal efficiency of 99.9%. Most of TN was removed in the 1st and 2nd compartment, accounting for about 81.0–97.6% of total TN removal. The nitrogen removal resulted from the interaction among anammox, heterotrophic denitrificans, and other microbes within the ABR. The contribution of anammox to nitrogen removal varied from 6.8% to 32.4%. High-throughput MiSeq sequencing analyses revealed that the C/N ratio was one of the most important factors regulating the microbial community structure, and the predominant phylum changed from Proteobacteria to Chloroflexi with the elevated C/N ratio. In addition, the Candidatus Brocadia was the major anammox bacterium, and its percentage varied from 1.0–2.9% at day 9 to 2.8–9.1% at day 46.
Cellular Senescence and Anti-Cancer Therapy
Authors: You Jieqiong , Dong Rong , Ying Meidan , He Qiaojun , Cao Ji , Yang Bo 
Published: December 2018

Background:
Cellular senescence is generally understood as a permanent cell cycle arrest
stemming from different causes. The mechanism of cellular senescence-induced cell cycle arrest is
complex, involving interactions between telomere shortening, inflammations and cellular stresses. In
recent years, a growing number of studies have revealed that cellular senescence could mediate the
cancer progression of neighboring cells, but this idea is controversial and contradictory evidence argues
that cellular senescence also contributes to tumor suppression.

Objective:
Given that the complicated role of senescence in various physiological and pathological
scenarios, we try to clarify the precise contribution role of cellular senescence to tumor progression.

Methods:
Search for the information in a large array of relevant articles to support our opinion.

Results:
We discuss the relatively widespread occurrence of cellular senescence in cancer treatment
and identify the positive and negative side of senescence contributed to tumor progression.

Conclusion:
We argue that the availability of pro-senescence therapy could represent as a promising
regimen for managing cancer disease, particularly with regard to the poor clinical outcome obtained
with other anticancer therapies.
POTENSI ANGKAK SEBAGAI PEWARNA ALAMI TERHADAP KARAKTERISTIK KORNET DAGING AYAM
Authors: Afdhal Muhammad , Lukman Haris , Indriyani Indriyani 
Published: December 2018

Tujuan penelitian ini adalah untuk mengetahui potensi angkak sebagai pewarna alami serta untuk mengetahui level yang paling optimal terhadap karakteristik kornet daging ayam. Manfaat penelitian ini diharapkan dapat digunakan sebagai informasi tentang manfaat angkak sebagai pewarna alami terhadap karakteristik kornet daging ayam. Rancangan yang digunakan dalam penelitian ini adalah Rancangan Acak Kelompok (RAK) dengan 5 (lima) perlakuan dan 5 (lima) kelompok sebagai ulangan. Perlakuan yang dilakukan pada penelitian ini adalah : P – Ni : kornet daging ayam dengan penambahan Na. Nitrit 150 ppm ; P – 0 : kornet daging ayam tanpa penambahan angkak (0%) ; P – 0,5 : kornet dengan penambahan angkak 0,5% ; P – 1 : kornet dengan penambahan angkak 1% ; P – 1,5 : kornet dengan penambahan angkak 1,5%. Peubah yang diamati pH adonan, rendemen kornet (yield), susut masak kornet (Cooking loss), Daya Ikat Air kornet (Water Holding Capacity/WHC), Aktifitas Air kornet (Water Activity), uji eber (uji kebusukan) dan karakteristik organoleptik, yang meliputi warna, teksture, bau, rasa dan kekenyalan kornet. Data dianalisis dengan sidik ragam, bila diperoleh perbedaan yang nyata/sangat nyata, maka dilanjutkan dengan uji Duncan. Hasil penelitian menunjukkan, pemberian angkak pada pembuatan kornet daging ayam berpengaruh tidak nyata (P > 0,05) terhadap nilai pH adonan, Daya Ikat Air (DIA), Aktifitas Air (Aw), Kadar Air dan Uji Eber produk. Akan tetapi perlakuan berpengaruh (P < 0,05) terhadap rendemen dan susut masak. Pemberian angkak mampu memperbaiki kesukaan terhadap karakteristik warna dan aroma kornet. Berdasarkan hasil dan pembahasan dapat disimpulkan, bahwa pemberian angkak mampu memperbaiki rendemen dan susut masak dan pemberian angkak denagn konsentrasi 1,5 % diperoleh karakteristik kornet yang paling baik.
A Behavioral Health Survey of Primary Care Integration in Rhode Island
Authors: Durfey Shayla N. M. , Long Theodore , Jackson Tracy L. , Gradie Margaret I. , Powell Sandra , Borkan Jeffrey , Alexander-Scott Nicole 
Published: December 2018

Background: Integrating behavioral and primary care practices improves quality of care, but limited data exists regarding the extent or attributes of such integration. We conducted a baseline evaluation of the level and characteristics of integrated practices in Rhode Island.
Methods: The Rhode Island Department of Health 2015 Statewide Health Inventory Behavioral Health Survey was sent to behavioral health clinics and outpatient psychiatry and psychology practices. Survey questions assessed indicators of integration, including colocation, shared electronic medical records (EMRs), and shared communication systems.
Results: Only 19%, 9%, and 17% of behavioral health clinics, psychiatrists, and psychologists, respectively reported any integration with primary care practices. Compared to psychology (3.5%) and psychiatry (0.0%) practices, behavioral health clinics reported the highest level of practice colocation (10.4%, P&lt;0.05). Compared to non-colocated practices, colocated behavioral health clinics reported higher levels of integration by other indicators, including shared EMRs (33.0% vs 0.0%, P=0.01).
Conclusion: This statewide survey demonstrated that limited integration exists between behavioral health and primary care practices in Rhode Island, and that such integration has a range of characteristics and levels. More practice integration is needed to ensure the delivery of high-quality, evidence-based care to the millions of individuals living with cooccurring behavioral and physical health needs.
Media Coverage of Corporate Taxes
Authors: Chen Shannon , Schuchard Kathleen , Stomberg Bridget 
Published: December 2018

ABSTRACT
Managers express growing concern over media coverage of corporate taxes, yet no large-sample empirical study examines this phenomenon. As a first step to fill this void, we identify factors associated with the likelihood and negative tone of media tax coverage and examine firms' tax avoidance behavior following media tax coverage. We find the likelihood of media tax coverage is greater for firms with GAAP effective tax rates below the top U.S. statutory rate of 35 percent and for firms with greater visibility. The degree of negative tone is increasing in cash tax avoidance and firm size. We also find evidence of more frequent and more negative tax coverage during economic recessions. We find no evidence that firms reduce their tax avoidance following media coverage. Although our analyses are subject to limitations, our results suggest the media may not have the same influence over corporate tax policy as other external stakeholders.
JEL Classifications: H25; H26; H20; M41; G39.
Data Availability: Data are available from public sources identified in the paper.