bluuebunny/crossref_metadata_2025_split huggingface dataset:
Development of STEM Model Student Worksheets with PhET Simulation on Hooke’s Law Material to Improve the Ability Students’ Critical Thinking
Authors: Agustina F R , Dwikoranto  
Published: November 2021

AbstractThis research aims to describe the feasibility of STEM model student worksheets in guided inquiry learning with PhET Simulation media on Hooke’s Law material in terms of validity, effectiveness and practicality, due to the lack of critical thinking skills of students. This development research uses a four-D model with the following steps: design, define, develop and disseminate with high school students as research targets. Data were analyzed descriptively quantitatively. The results showed that: (1) The level of validity of student worksheets get a score of 86.36% with a very valid category; (2) Practicality level of student worksheets get through observation sheets and questionnaire responses from students get a practicality score of 88% with a very practical category; and (3) The level of effectiveness of the worksheets obtained from the N-gain calculation get a score of 0.56 in the medium category. Based on these things, it can be concluded that the developed student worksheets are feasible to be used to improve the ability students’ critical thinking.
Improving the Ability to Develop Scientific Articles among Physics Teachers
Authors: Sunarti T , Wasis  , Suprapto N , Admoko S 
Published: November 2021

Abstract
There have been training scientific articles online for physics teachers. The purpose of this activity is to (1) improve Physics teachers in the ability to create scientific articles and (2) increase the number of scientific articles written by Physics teachers. Seventy-five physics teachers in Mojokerto attended the training. They implemented online by forming a synchronous meeting zoom class and continued with asynchronous assistance using WhatsApp group facilities. The success of this training workshop is evaluated using an assessment of the resulting article and a questionnaire of the trainee’s response to the implementation of training activities. Scientific articles that have been obtained are included in the review process and have been revised to meet the criteria to be published in scientific journals. The article have been prepared aspects of the assessment of articles compiled by Physics teachers include titles and identities, abstracts, introductions, theoretical foundations, results and discussions, conclusions, and bibliography. The articles compiled have met the criteria well, with an average score of 87. The results of the trainee response questionnaire showed that 67 % strongly agreed and 33 % agreed. It shows that there is still a need to increase the quantity and quality of articles compiled by physics teachers.
E-LS on The Subject of Temperature: The First Work of a Science-Physics Teacher at Siti Aminah Junior High School Surabaya
Authors: Kholiq A , Sucahyo I , Sunarti T , Kusumawati D H , Jauhariyah M N R 
Published: November 2021

Abstract
The effect of COVID-19 pandemic in Indonesia requires learning that is usually done face-to-face has turned into online learning. For teachers, the implementation of online learning requires engaging media so that learning becomes more various and exciting. This study aims to analyse the validity of the science literacy-based e-book, which will later be called E-LS. The first work of the Science-Physics teacher at Siti Aminah Junior High School Surabaya can train students’ scientific literacy skills. This study using a research method with the DDD-E design (Decide, Design, Develop, Evaluate). Based on the data analysis that has been done, we obtained descriptive-quantitatively using the Likert scale percentage score criteria. The results show that the percentage of validity in the aspect of Curriculum Conformity of 91.30 % (very valid). The material aspect is 93.45 % (very valid). The language aspect is 91.67 % (very valid). The media design aspect of 91.91 % (very valid). Scientific literacy aspect of 87.50 % (very valid). Overall the level of validity of the E-LS has an average of 91.17 % (very valid). It can be concluded that the E-LS media (temperature topic) is very suitable for use as a science-physics learning medium to train science literacy for junior high school students.
Research Trends on Ethnoscience based Learning through Bibliometric Analysis: Contributed to Physics Learning
Authors: Hidaayatullaah H N , Suprapto N , Hariyono E , Prahani B K , Wulandari D 
Published: November 2021

Abstract
The research purposes are 1) Analyse the results of bibliometric mapping visualization on research trends ethnoscience-based learning and its contribution to physics learning, 2) Analyse author collaboration on research trends ethnoscience-based learning, and 3) Recommendations for future ethnoscience research in physics learning. In this research, the descriptive method is applied with a bibliometric approach. Data was obtained through the Scopus and Google Scholar databases published in the period 2011-2020. The results showed that ethnoscience-based learning made a major contribution to science learning at the elementary to junior high school level and physics at the high school to university level. Ethnoscience can be integrated with learning innovations in schools and can also train/improve students’ thinking skills. Ethnoscience also dominates the social sciences. The recommended research trends in the Scopus and Google Scholar databases are physics learning about ethno-stem, development of ethnoscience-based physics teaching materials, ethnoscience-based physics learning to train students’ scientific literacy and problem-solving skills.
Profile of Students’ Creative Thinking Skills on Global Warming Material: Gender Perspective in Physics Learning
Authors: Wulandari D , Hariyono E , Suprapto N , Hidaayatullaah H N , Prahani B K 
Published: November 2021

AbstractStudents need creative thinking skills, critical thinking, collaborative, and communicative in the 21st century in learning physics. In predicting further research, it is necessary to analyze the initial ability of students’ creative thinking skills. This study aims to analyze the profile of physics learning on the students’ creative thinking skill of high school students’ on global warming material and analyze the differences in students’ creative thinking abilities based on gender. Research method uses 100 samples of class eleventh grade in senior high school students’. Profiles of creative thinking skills of senior high school students’ on global warming were analyzed quantitatively descriptively. The results showed that the physics learning profile of students’ creative thinking skills on global warming material was relatively low, and there was a significant difference between the results of male and female students’ creative thinking skills. The results of this study can be used as empirical evidence that the creative thinking skills of high school students’ physics learning on global warming material still need to be improved. Further research is needed to overcome the low creative thinking skills of high school students’.
A Critical Thinking Skill Profile of Science Education Undergraduate Student in Basic Physics
Authors: Wulandari R , Jatmiko B , Budiyanto M , Hariyono E , Lestari N A , Prahani B K 
Published: November 2021

AbstractAn undergraduate student should have ability to make the right decision based on data analysis and information able to provide instructions in choosing various alternative solutions independently and in groups. This is an important point in the Indonesian National Qualification Framework at the undergraduate level. One of the skills that must be possessed by students who are part of 21st century skills is critical thinking skills. The aim of this research is to analyze the critical thinking skills profile of science education undergraduate students in basic physics. Subject of this research were undergraduate students with sample of 109 undergraduate students determined by purposive sampling. The instruments have fulfilled the validity requirements (rα = 0.26) and reliability (α = 0.99). Result of this research that the profile of science education undergraduate students is very low level. The students’ critical thinking skills need to be improved based on that level.
Profile of Students’ Scientific Literacy in Physics Learning during COVID-19 Pandemic
Authors: Melinda V , Hariyono E , Erman E , Prahani B K 
Published: November 2021

Abstract
Online learning during the COVID-19 pandemic that is not optimal has an impact on students’ Scientific Literacy (SL). Facts in Indonesia, online learning has not been fully run optimally. In this case, teachers and students are still less adaptable to changes in learning methods. This certainly has an impact on aspects of students’ SL. The main objective is to analyze the initial level of students’ SL during COVID-19 pandemic. Research use 105 senior high school students in Surabaya. Based on the result we can conclude that the profile of students’ SL in Physics learning during COVID-19 pandemic is still at low category, that’s percentage are 28.38% (level 2). It’s means students can perform basic epistemic and procedural knowledge, contain knowledge in daily, basic procedural knowledge to give identification of scientific explanations, interpret scientific data, and draw conclusions from simple experimental data. The implication of this research can be used as empirical evidence stating that the SL of Senior High School students still need to be improved.
Neutrino mass ordering determination through combined analysis with JUNO and KM3NeT/ORCA
Authors: Chau N. , Athayde Marcondes de André J.P. , Van Elewyck V. , Kouchner A. , Kalousis L. , Dracos M. 
Published: November 2021

Abstract
The neutrino mass ordering (NMO) is one of the fundamental questions in neutrino physics. KM3NeT/ORCA and JUNO are two neutrino oscillation experiments both aiming at measuring the NMO with different approaches: ORCA with atmospheric neutrinos traversing the Earth and JUNO with reactor neutrinos. This contribution presents the potential of determining the NMO through a combined analysis of JUNO and ORCA data. In a joint fit, the NMO sensitivity is enhanced beyond the simple sum of the sensitivities of each experiment due to the tension between the respective Δm
31
2 best fit values obtained when the wrong ordering is assumed, together with good constraints on this parameter measurement by both experiments. From this analysis, we expect the true NMO to be determined with 5σ significance after 1–2 years of data taking by both experiments for the current global best-fit values of the oscillation parameters, while maximally 6 years will be needed for any other parameter set.
Analysis of proton bunch parameters in the AWAKE experiment
Authors: Hafych V. , Caldwell A. , Agnello R. , Ahdida C.C. , Aladi M. , Amoedo Goncalves M.C. , Andrebe Y. , Apsimon O. , Apsimon R. , Bachmann A.-M. , Baistrukov M.A. , Batsch F. , Bergamaschi M. , Blanchard P. , Burrows P.N. , Buttenschön B. , Chappell J. , Chevallay E. , Chung M. , Cooke D.A. , Damerau H. , Davut C. , Demeter G. , Dexter A. , Doebert S. , Farmer J. , Fasoli A. , Fedosseev V.N. , Fiorito R. , Fonseca R.A. , Furno I. , Gessner S. , Gorn A.A. , Granados E. , Granetzny M. , Graubner T. , Grulke O. , Gschwendtner E. , Guran E.D. , Henderson J.R. , Hüther M. , Kedves M.Á. , Khudyakov V. , Kim S.-Y. , Kraus F. , Krupa M. , Lefevre T. , Liang L. , Lopes N. , Lotov K.V. , Mazzoni S. , Medina Godoy D. , Moody J.T. , Moon K. , Morales Guzmán P.I. , Moreira M. , Nechaeva T. , Nowak E. , Pakuza C. , Panuganti H. , Pardons A. , Perera A. , Pucek J. , Pukhov A. , Ráczkevi B. , Ramjiawan R.L. , Rey S. , Schmitz O. , Senes E. , Silva L.O. , Stollberg C. , Sublet A. , Topaloudis A. , Torrado N. , Tuev P.V. , Turner M. , Velotti F. , Verra L. , Vieira J. , Vincke H. , Welsch C.P. , Wendt M. , Wing M. , Wolfenden J. , Woolley B. , Xia G. , Zepp M. , Zevi Della Porta G. 
Published: November 2021

Abstract
A precise characterization of the incoming proton bunch
parameters is required to accurately simulate the self-modulation
process in the Advanced Wakefield Experiment (AWAKE). This paper
presents an analysis of the parameters of the incoming proton
bunches used in the later stages of the AWAKE Run 1 data-taking
period. The transverse structure of the bunch is observed at
multiple positions along the beamline using scintillating or optical
transition radiation screens. The parameters of a model that
describes the bunch transverse dimensions and divergence are fitted
to represent the observed data using Bayesian inference. The
analysis is tested on simulated data and then applied to the
experimental data.
A high-bandwidth low current transimpedance amplification circuit
Authors: Liu Hao , Dong Chunhui , Yang XinYing , Cheng Feng , Zhang Qingxian , Liao Kaiyong , Lu Zhigang , Gao Zhiyu , Luo Tingfang , Huang Qichang , Li Weilan 
Published: November 2021

Abstract
A measuring circuit is designed based on the transimpedance amplifier. The methods of reducing parasitic capacitance and improving amplifier performance are introduced in detail. The influence of the parasitic capacitance generated by the feedback resistors on the bandwidth in the transimpedance amplification circuit is discussed. The circuit can measure the wide-dynamic-range low current ranging from 10-13 A to 10-5 A in four ranges. The circuit's bandwidth is up to 500 Hz when the circuit can normally work to measure a wide-range low current. The peak-to-peak amplitude of circuit noise is less than 0.22 pA. The current drift is less than 1.06 fA/∘C over a temperature range of 0∘C to 85∘C, and the integral nonlinearity is less than 0.25%.
Synovial macrophages in cartilage destruction and regeneration—lessons learnt from osteoarthritis and synovial chondromatosis
Authors: Li Yingjie , Zhou Yinghong , Wang Yifan , Crawford Ross , Xiao Yin 
Published: November 2021

Abstract
Inflammation is a critical process in disease pathogenesis and the restoration of tissue structure and function, for example, in joints such as the knee and temporomandibular. Within the innate immunity process, the body’s first defense response in joints when physical and chemical barriers are breached is the synovial macrophages, the main innate immune effector cells, which are responsible for triggering the initial inflammatory reaction. Macrophage is broadly divided into three phenotypes of resting M0, pro-inflammatory M1-like (referred to below as M1), and anti-inflammatory M2-like (referred to below as M2). The synovial macrophage M1-to-M2 transition can affect the chondrogenic differentiation of mesenchymal stem cells (MSCs) in joints. On the other hand, MSCs can also influence the transition between M1 and M2. Failure of the chondrogenic differentiation of MSCs can result in persistent cartilage destruction leading to osteoarthritis. However, excessive chondrogenic differentiation of MSCs may cause distorted cartilage formation in the synovium, which is evidenced in the case of synovial chondromatosis. This review summarizes the role of macrophage polarization in the process of both cartilage destruction and regeneration, and postulates that the transition of macrophage phenotype in an inflammatory joint environment may play a key role in determining the fate of joint cartilage.
Holomorphicity, vortex attachment, gauge invariance and the fractional quantum Hall effect
Authors: Agarwal Abhishek 
Published: November 2021

Abstract
A gauge invariant reformulation of nonrelativistic fermions in background magnetic fields is used to obtain the Laughlin and Jain wave functions as exact results in mean field theory (MFT). The gauge invariant framework trades the U(1) gauge symmetry for an emergent holomorphic symmetry and fluxes for vortices. The novel holomorphic invariance is used to develop an analytical method for attaching vortices to particles. Vortex attachment methods introduced in this paper are subsequently employed to construct the Read operator within a second quantized framework and obtain the Laughlin and Jain wave functions as exact results entirely within a mean-field approximation. The gauge invariant framework and vortex attachment techniques are generalized to the case of spherical geometry and spherical counterparts of Laughlin and Jain wave functions are also obtained exactly within MFT.
Water consumption and environmental behavior of the residents in Lake Toba water catchment area, North Sumatra, Indonesia
Authors: Harianja A H , Fauzi R , Saragih G S , Hidayat M Y , Suoth A E 
Published: November 2021

Abstract
One of seventeen points of Sustainable Development Goals (SDGs) is to provide clean water for at least 80% of the global population in 2025. Rural populations living surrounding Lake Toba water catchment area still utilize the lake water for daily use regardless of the susceptible decreasing water quality. This paper describes anthropogenic aspects affecting the water quality of Lake Toba that is consumed as the drinking water source by surrounding residents. The research used a quantitative approach by interviewing 130 household representatives from 3 regencies around the lake to calculate the water consumption and evaluate the water quality in 2018. In addition, this research also assessed the residents' behavior in managing household waste and wastewater. The result showed that the average water consumption is 86,93L/person/day. The majority of the respondents barely treat the water and feel satisfied with the water quality based on its color, turbidity, taste, and odor. On the contrary, the respondents have not adequately treated their domestic waste and household wastewater before being released to the lake, contributing to water pollution. Although most respondents are satisfied with the water quality, it is still needed to perform proper water treatment because the water quality of Lake Toba is reported as slightly up to heavily polluted by the Ministry of Environment and Forestry in 2019.
Developing models to establish seasonal forest fire early warning system
Authors: Nuryanto D E , Pradana R P , Putra I D G A , Heriyanto E , Linarka U A , Satyaningsih R , Hidayanto N , Sopaheluwakan A , Permana D S 
Published: November 2021

Abstract
During a typically dry season in Sumatra or Kalimantan, the forest fire starts. In 2015, an El Nino year, forest fires in Sumatra and Kalimantan ranked among the worst episodes on record. Understanding the connection between accumulated monthly rainfall and the risk of hotspot occurrence is key to improving forest fire management decision-making. This study addresses model development to predict the number of 6-month fire hotspots, by combining the prediction of rainfall with hotspot patterns. Hotspot data were obtained from the Fire Information for Resources Management System (FIRMS) for the period of 2001–2018. For rainfall prediction, we used the output model of the European Centre for Medium-Range Weather Forecasts (ECMWF). The threshold of more than 10 hotspot events has been used to establish hotspot climatology. To get a threshold for rainfall that can cause forest fires, we used the Pulang Pisau rain station. We applied two rainfall thresholds to determine three categorical forecasts (low, moderate, high) as environment quality indicator. The two thresholds are 100 mm/month for the lower threshold and 130 mm/month for the upper threshold. The verification of the observational data showed an accuracy of > 0.83, which is relatively consistent and persistent with forest fire events. The weakness of this system is that it cannot determine the exact location of the forest fire because the spatial resolution used is 0.25 degrees. The predictions of the monthly climate index values were reasonably good suggesting the potential to be used as an operational tool to predict the number of fire hotspots expected. The seasonal forest fire early warning system is expected to be an effort to anticipate forest fires for the next six months. The modeling strategy presented in this study could be replicated for any fire index in any region, based on predictive rainfall information and patterns of the hotspot.
Indigenous mercury-resistant bacteria isolated from contaminated soils around artisanal gold processing centers in Sukabumi, Indonesia
Authors: Amandita F Y , Efadeswarni  , Idris  , Sulistiyani T , Kanti A , Sudiana I M 
Published: November 2021

AbstractIn Indonesia, the largest mercury pollution comes from artisanal and small-scale gold mining (ASGM), which may cause the distribution of mercury to agricultural land and can be absorbed by food crops. Sukabumi Regency in West Java, well-known as one hotspot of illegal artisanal gold mining and national rice producer, is potentially threatened by mercury pollution. Efforts to remediate mercury contaminated agricultural land can be done by using mercury-reducing bacteria. This research aims to select the most potential indigenous bacteria for mercury remediation. Soil and sludge samples were collected from 2 districts in Sukabumi, where gold processing using mercury is common. Bacteria were selectively isolated from cultured colonies grown in Luria Bertani broth supplemented with HgCl230 mg/L. We obtained 27 isolates that belong to 16 species, as identified by API®20 E and 20 NE (BioMérieux, USA). The growth of each isolate was assessed by measuring the optical density of inoculated LB broth contained HgCl230 mg/L for 5 consecutive days. All isolates showed normal growth. The log phase reached its maximum value on the second or third day after inoculation and lag phase afterward. Twelve identified isolates were chosen for evaluation of their resistance to mercury by growing them in Mueller-Hinton agar supplemented with HgCl2(30 mg/L, 50 mg/L, 100 mg/L, 150 mg/L, and 200 mg/L). Seven isolates were able to grow in media with HgCl2, but only Mer07 survived on HgCl2150 mg/L.
Effect of population pressure on land to Manggar watershed at East Belitung Regency, Bangka Belitung Island Province, Indonesia
Authors: Hidayat M Y 
Published: November 2021

Abstract
Population pressure triggers farmers to expand their cultivation area due to population growth. East Belitung Regency, an expanded area of Belitung Regency, has developed into a new economic center on Belitung Island. The agricultural sector which has the largest contribution to the economy of east Belitung, but it has a negative impact due to the increasing demand for land by the community. This research examines the population pressure on agricultural land in each sub-district area as part of Manggar Watershed. The recent study presents the results of spatial analysis of land cover overlaying to the population of the Manggar watershed using ArcGIS 10.1 software. The results showed that three sub-districts intersect one another, namely Gantung sub-district (2.17%), Kelapa Kampit sub-district (12.49%), and Manggar sub-district (83.34%). In addition, there are ten types of land cover in the Manggar watershed, and the most prominent area is dominated by mining (8,709 Ha). Population pressure on agricultural land in the Manggar watershed is classified as moderate for the Gantung sub-district and low for the Kelapa Kampit and Gantung sub-districts. Furthermore, this study also revealed that land exploitation for the agricultural mean is still below its carrying capacity. Nevertheless, it is necessary to improve the better management of land-use systems in the Manggar watershed.