bluuebunny/crossref_metadata_2025_split huggingface dataset:
The Quality of Health Office Services in Serving the COVID-19 Vaccine to Community Satisfaction in Garut Regency
Authors: Ramdani Taufik Nurul 
Published: October 2023

The COVID-19 pandemic is one of the crucial health problems in Indonesia, so the government continues to strive to handle it, especially by vaccination. Vaccine administration is one of the preventive policies to minimize the spread of the virus. In Indonesia, the party in charge of holding the vaccination program is the Health Office. This makes the Health Office interact with the community. In exchange, of course, a relationship will be established. In this case, the community is the recipient, while the Health Office is the service provider. When someone receives a service, there will be satisfaction or even disappointment. Therefore, the researcher aims to review public satisfaction with the assistance of the Garut Regency Health Office when providing vaccinations. Then, researchers immediately made a study through quantitative methods by distributing a survey of 100 respondents using the purposive sampling method. This research questionnaire was distributed to vaccine service recipients at the Garut Regency Hall. The collected data was then analyzed using multiple regression with the help of SPSS 23 data processing tools. The results showed that three of the five service quality indicators affected community satisfaction. Indicators that affect public satisfaction include vaccine availability, vaccine information, and vaccination center infrastructure. Meanwhile, indicators for vaccinators and doctor behavior did not affect public satisfaction. Vaccine availability indicators are the most impactful part. Meanwhile, the behavior of doctors has the most negligible influence on community satisfaction.
Keywords: Covid-19 pandemic; Quality of Service; Community Satisfaction
Evaluation of Spraying Machine for Silage Production
Authors: Azmon Hafidha , Teoh Chin Chuang , Ahmad Sayuti Adli Fikri , Mohd Hussin Nasyatul Ekma , AB Rahim Siti Ashah , Abd Rahman Norahshekin 
Published: October 2023

Silage production requires a mixture of molasses, inoculum, and water to store forage. Inoculum or microbes is mixed into the forage to inhibit the reproduction of bacteria and organisms that could damage the silage. Silage processing requires workforces to manually prepare and measure liquid additives to formulate the solutions. In MARDI, a machine that accurately mixes an inoculum, water, and molasses has been developed. The machine eliminates the need for manual operation and can reduce the labor involved in preparing a liquid formulation. Besides, the machine enables agricultural input to be handled efficiently. This machine can increase silage production's productivity for ruminant feed preparation. The machine's accuracy is 99.63% for measuring water and inoculum, while 98.58% for measuring molasses solution. The machine's capacity is 30 barrels/hour for preparing a mixture of additive materials into 25 liters of water while 60 – 120 barrels/hour for preparing a mixture of additive materials into a 30kg silage barrel.
Mapping the Coffee Value Chain in Lao PDR: Issues, Insights, and Strategies
Authors: Wongpit Piya , Syphoxay Pakaiphone , Sisoumang Bounthom , Sykhanthong Sengsulixay 
Published: October 2023

Coffee is a major agricultural export product that generates foreign currency for Lao PDR. While several studies have been conducted on coffee in Lao PDR, none have focused on the value chain. This research seeks to fill that gap by analyzing the coffee value chain in Laos. The study uses both quantitative and qualitative methods, such as interviews, value chain mapping, and value-added estimation, to examine the structure, roles, activities, and performance of the value chain actors. The study finds that coffee farmers have the highest value-added, but they are facing various issues of pests and disease, low productivity, and limited access to finance. Laos has a high export potential for coffee, especially to European markets, but also faces constraints such as limited market access, transportation costs, and non-tariff measures. The study provides recommendations for improving the coffee value chain in Laos, such as strengthening farmer groups and cooperatives, enhancing quality and certification standards, and diversifying markets and products.
UPAYA MENINGKATKAN HASIL BELAJAR MATA PELAJARAN IPA MATERI SIKLUS AIR DENGAN METODE PEMBELAJARAN RANKING 1 PADA KELAS V SDN DURI KEPA 11
Authors: Lucky Putri Ramadhani  , Ainur Rosyid  
Published: October 2023

Penelitian ini dilaksanakan di kelas V SDN Duri Kepa 11 dengan jumlah siswa 29 peserta didik pada semester genap tahun pelajaran 2022/2023. Pada penelitian ini menggunakan metode penelitian tindakan kelas (PTK) dengan melalui dua siklus, dimana tiap siklusnya terdiri dari (1) tahap perencanaan, (2) tahap pelaksanaan tindakan, (3) tahap observasi, (4) tahap refleksi. Penelitian tindakan kelas ini bertujuan untuk meningkatkan hasil belajar dalam pembelajaran IPA khususnya pada materi siklus air dengan menerapkan metode ranking I. Pengumpulan data pada penelitian menggunakan lembar observasi aktivitas belajar siswa, lembar observasi aktivitas guru dalam menggunakan metode ranking I, dan soal tes untuk mengukur hasil belajar siswa pada siklus air. Penelitian ini dilakukan secara kolaboratif antara peneliti dengan wali kelas VA. Teknik pengumpulan data yang digunakan dalam penelitian ini meliputi tes dan observasi. Hasil penelitian menunjukkan bahwa penggunaan metode ranking I pada siklus air dapat meningkatkan hasil belajar siswa kelas V SDN Duri Kepa 11. Hasil ini dapat dilihat pada siklus I persentase ketuntasan hasil belajar siswa mengalami peningkatan dengan nilai rata-rata sebesar 71,11 dan persentase ketuntasan yaitu 58%. Sedangkan untuk hasil observasi pada siklus I, persentase rata-rata aktivitas siswa sebesar 70%. Dan Pada siklus II persentase ketuntasan hasil belajar siswa mengalami peningkatan yaitu sebesar 89% dan nilai rata-ratanya 84,5. Persentase hasil observasi rata-rata aktivitas siswa pada siklus II juga mengalami peningkatan yaitu sebesar 89%.
X-Rays Trace the Volatile Content of Interstellar Objects
Authors: Cabot Samuel H. C. , Wang Q. Daniel , Seligman Darryl Z. 
Published: October 2023

Abstract
The nondetection of a coma surrounding 1I/‘Oumuamua, the first discovered interstellar object (ISO), has prompted a variety of hypotheses to explain its nongravitational acceleration. Given that forthcoming surveys are poised to identify analogs of this enigmatic object, it is prudent to devise alternative approaches to characterization. In this study, we posit X-ray spectroscopy as a surprisingly effective probe of volatile ISO compositions. Heavily ionized metals in the solar wind interact with outgassed neutrals and emit high-energy photons in a process known as charge exchange, and charge-exchange-induced X-rays from comets and planetary bodies have been observed extensively in our solar system. We develop a model to predict the X-ray flux of an ISO based on its chemical inventory and ephemeris. We find that while standard cometary constituents, such as H2O, CO2, CO, and dust, are best probed via optical or infrared observations, we predict strong X-ray emission generated by charge exchange with extended comae of H2 and N2—species that lack strong infrared fluorescence transitions. We find that XMM-Newton would have been sensitive to charge exchange emission from 1I/‘Oumuamua during the object’s close approach to Earth, and that constraints on composition may have been feasible. We argue for follow-up X-ray observations of newly discovered ISOs with close-in perihelia. Compositional constraints on the general ISO population could reconcile the apparently self-conflicting nature of 1I/‘Oumuamua and provide insight into the earliest stages of planet formation in extrasolar systems.
Understanding the Lateral Drifting of an Erupting Filament with a Data-constrained Magnetohydrodynamic Simulation
Authors: Guo 郭 J. H. 金涵 , Qiu 邱 Y. 晔 , Ni 倪 Y. W. 仪伟 , Guo 郭 Y. 洋 , Li 李 C. 川 , Gao 高 Y. H. 宇航 , Schmieder B. , Poedts S. , Chen 陈 P. F. 鹏飞 
Published: October 2023

Abstract
Solar filaments often exhibit rotation and deflection during eruptions, which would significantly affect the geoeffectiveness of the corresponding coronal mass ejections (CMEs). Therefore, understanding the mechanisms that lead to such rotation and lateral displacement of filaments is a great concern to space weather forecasting. In this paper, we examine an intriguing filament eruption event observed by the Chinese Hα Solar Explorer and the Solar Dynamics Observatory. The filament, which eventually evolves into a CME, exhibits significant lateral drifting during its rising. Moreover, the orientation of the CME flux rope axis deviates from that of the pre-eruptive filament observed in the source region. To investigate the physical processes behind these observations, we perform a data-constrained magnetohydrodynamic simulation. Many prominent observational features in the eruption are reproduced by our numerical model, including the morphology of the eruptive filament, eruption path, and flare ribbons. The simulation results reveal that the magnetic reconnection between the flux rope leg and neighboring low-lying sheared arcades may be the primary mechanism responsible for the lateral drifting of the filament material. Such a reconnection geometry leads to flux rope footpoint migration and a reconfiguration of its morphology. As a consequence, the filament material hosted in the flux rope drifts laterally, and the CME flux rope deviates from the pre-eruptive filament. This finding underscores the importance of external magnetic reconnection in influencing the orientation of a flux rope axis during eruption.
The High-redshift Clusters Occupied by Bent Radio AGN (COBRA) Survey: Investigating the Role of Environment on Bent Radio AGNs Using LOFAR
Authors: Golden-Marx Emmet , Moravec E. , Shen L. , Cai Z. , Blanton E. L. , Gendron-Marsolais M. L. , Röttgering H. J. A. , van Weeren R. J. , Buiten V. , Grumitt R. D. P. , Golden-Marx J. , Pinjarkar S. , Tang H. 
Published: October 2023

Abstract
Bent radio active galactic nucleus (AGN) morphology depends on the density of the surrounding gas. However, bent sources are found inside and outside clusters, raising the question of how environment impacts bent AGN morphology. We analyze new LOw-Frequency Array the LOFAR Two-metre Sky Survey (LoTSS) Data Release II observations of 20 bent AGNs in clusters and 15 not in clusters from the high-z Clusters Occupied by Bent Radio AGN (COBRA) survey (0.35 < z < 2.35). We measure the impact of environment on size, lobe symmetry, and radio luminosity. We find that the most asymmetric radio lobes lie outside of clusters, and we uncover a tentative anticorrelation between the total projected physical area and cluster overdensity. Additionally, we, for the first time, present spectral index measurements of a large sample of high-z bent sources using LoTSS and Very Large Array Faint Images of the Radio Sky at Twenty-centimeters (VLA FIRST) observations. We find that the median spectral index for the cluster sample is −0.76 ± 0.01, while the median spectral index for the noncluster sample is −0.81 ± 0.02. Furthermore, 13 of 20 cluster bent AGNs have flat cores (α ≥ −0.6) compared to 4 of 15 of noncluster bent AGNs, indicating a key environmental signature. Beyond core spectral index, bent AGNs inside and outside clusters are remarkably similar. We conclude that the noncluster sample may be more representative of bent AGNs at large offsets from the cluster center (> 1.2 Mpc) or bent AGNs in weaker groups rather than the field.
Hydrogen-Driven Microbial Redox Reactions in Deep Geosystems
Authors: Krüger Martin , Dohrmann Anja 
Published: October 2023

In the subsurface, biotic and abiotic processes can generate and consume hydrogen. Hydrogen has a low reduction potential and is thus a highly energetic electron donor when involved in sulfate, carbon dioxide or ferric iron reduction. Although known as important drivers for the deep biosphere, the contributions of different processes to hydrogen turnover in different geosystems still are not well understood. In context with the ongoing transformation to renewable energy resources, underground H2 storage (UHS) in deep porous or salt cavern systems came into focus. In situ microbial and geochemical reactions that consume H2 are highly relevant topics in deep biosphere research, and also are still a major uncertainty during UHS.
Consequently, we studied the potential microbial hydrogen oxidation rates – combined with the possible production of metabolic products like H2S, acetic acid or CH4 - in formation fluids from natural gas fields and salt caverns, thereby considering the importance of in situ pressure and temperature conditions, fluid chemistry and mineral composition. In addition, more defined experiments were conducted with selected pure cultures representing important metabolic groups of deep biosphere microorganisms.
Several original formation fluids showed immediate H2 consumption. Microorganisms oxidized hydrogen at relevant in situ pressure conditions (up to 100 bar) and tolerated dynamically changing pressure and temperature conditions. The microbial hydrogen oxidation rate was strongly dependent on H2 partial pressures and the availability of e.g., sulfate as a terminal electron acceptor. High-throughput sequencing of 16S rRNA gene amplicons indicated hydrogen oxidation by sulfate reducing bacteria to be the presumed process in the studied porous rock reservoir fluids. In addition, hydrogen turnover by methanogenic and acetogenic as well as iron-reducing microorganisms was investigated. Also, the importance of biotic reactions in relation to abiotic hydrogen turnover processes at mineral surfaces will be discussed.
The Impact of Phosphorus Level on Vivianite Precipitation during Microbial Reduction of Ferrihydrite
Authors: Shao Xiaoqing , DiLoreto Zach , Liu Huan , Lu Xiancai , Dittrich Maria 
Published: October 2023

Iron minerals play a pervasive role in the cycling of phosphorus (P) within both terrestrial and aquatic environments. The behavior of P, especially in oxygen-depleted environments, is frequently regulated by changing redox conditions and the associated phase transformations of Fe (III) (hydr)oxides (Borch and Fendorf 2007). Although the stability of Fe (III) hydroxides under changing redox conditions is well established, the relationship between specific minerals and their influence on the mechanisms of P retention and release remain unclear. In particular, the minerals vivianite (Fe3(PO4)2·8H2O) and ferrihydrite (Fe2O3·0.5H2O) are of interest. Vivianite crystallization in sediments has attracted increasing attention as a major contributor to P retention during early diagenesis (Slomp et al. 2013) and ferrihydrite reduction has been linked to fluctuating P concentrations which can impact vivianite crystallization. Additionally, there exists strong biological controls on these minerals as the reduction of Fe (III) oxides by dissimilatory iron-reducing bacteria may result in the formation of a suite of Fe (II)-bearing secondary minerals (O’Loughlin et al. 2021). To better understand the biogeochemical mechanisms behind these interactions, we examined the effects of fluctuating P concentrations on the reduction of ferrihydrite by Shewanella putrefaciens CN32 and resulting vivianite formation.
In this study, bio-reduction experiments were conducted under sterile conditions in serum bottles containing 80 mL of mineral medium, with 80 mM Fe (III) in the form of Ferrihydrite, and various P concentrations (0, 1 mM, and 10 mM). The bottles were placed on a roller drum (180 rpm) and incubated at 30 oC in the dark for 15 days. Dissolved Fe (II), P concentrations, pH, and optical density (OD) values throughout the experiments were also measured. Our results showed that during incubation, Shewanella putrefaciens CN32 accelerated Ferrihydrite reduction as the dissolved iron (Fe2+) concentration increased significantly when compared to other bacterial and ferrihydrite treatments, as well as the control treatment. Additionally, P in both the 1mM and 10mM treatments was depleted after 5 and 7 days, respectively, and resulted in crystalline precipitates. Scanning electron microscopy (SEM) analyses of precipitates showed well-formed and highly crystalline vivianite particles of up to 30 µm in length in high P level. Some crystalline precipitates were confirmed as vivianite through SEM and Raman spectroscopy matching a known vivianite reference (Taylor et al. 2008), but only within the 10mM P incubations. After 15 days of incubation the morphology of the vivianite changed from aggregates of lath-shaped crystals to acicular crystals (Fig. 1). Based on our results, fluctuating P concentrations do indeed have a pronounced effect on ferrihydrite reduction and thus vivianite formation.
Comparing the microbial communities in and End-pit lake, active tailings ponds and freshwater bodies from the Athabasca oil sands region
Authors: Villegas Torres Montserrat , Dunfield Peter 
Published: October 2023

The Athabasca oil sands region in northern Alberta is home to one of the largest bitumen deposits in the world. Oil sands are mostly recovered via surface mining and the oil extraction is achieved with hot caustic water and diluents, a process that produces liquid tailings waste (CEC 2020, Schramm et al. 2000). It is estimated that 1 m3 of bitumen produces around 4 m3 of tailings, which are contained in large tailings ponds (Mikula et al. 1996). End-pit lakes are a potential strategy to reclaim mining pits created by oil sands mining. They may be formed by filling a mined-out pit with tailings and then capping it with a layer of fresh water. With time, tailings undergo a dewatering process in which they become denser and release water to the cap water (Charette et al. 2012).
Base Mine Lake (BML) is the first full-scale demonstration end-pit lake in the Canadian oil sands industry. This former tailings pond was initially capped in 2012 with a 5 m layer of freshwater to allow for consolidation of the tailings and the stimulation of aerobic microbial communities to biodegrade the organic pollutants. Since its establishment, BML has been extensively monitored to assess the improvement in water quality.
The present research focused on determining how the eukaryotic and bacterial communities in BML compare to those in local freshwater bodies and active tailings ponds. Eleven reference sites, including freshwater reservoirs, natural lakes, and 9- to 14-year-old excavated pits filled with water, also known as borrow pits, were sampled along with 5 active tailings ponds and BML during the summer of 2022. Microbial communities were assessed via next-generation sequencing of PCR amplicons of the 16S rRNA gene for bacteria and the 18S rRNA gene for eukaryotes.
Alpha-diversity analysis of the eukaryotic communities showed that BML has greater species richness and evenness than active tailings ponds, but lower than freshwater systems. The bacterial community in both BML and active tailings ponds is dominated by Proteobacteria, but the relative abundance of Actinobacteriota is similar between BML and freshwater. Beta-diversity analysis revealed that eukaryotic and bacterial communities in BML cluster distinctly from both the freshwater controls and active tailings ponds, however, the composition of the eukaryotic community shows some overlap with certain freshwater systems (Fig. 1). The results of this research suggest that, 10 years after its formation, the microbial communities in BML are intermediate between an active tailings pond and a freshwater lake.
Nilai Moral Cerita Pendek “Bintu Al-Jiron” dalam Antologi “Al-Watsbah Al-Uulaa” Karya Mahmud Taymur (Analisis Sosiologi Sastra Rene Wellek dan Austin Warren)
Authors: Amin Mukhanifah , Mustari Mustari 
Published: October 2023

Definisi karya sastra yang baik merupakan sebuah karya sastra yang dapat mendidik pembacanya secara langsung mengenai nilai moral serta budi pekerti. Bentuk karya sastra menjelaskan tentang nilai-nilai dan moral. Penelitian ini membahas karya sastra cerpen karya Mahmud Taymur berjudul “Bintu al-Jiran”. Objek ini dipilih karena menarik untuk dikaji dari sisi nilai-nilai moral yang disampaikan Mahmud Taymur sebagai pembelajaran bagi pembaca. Penulis bertujuan melakukan mengidentifikasi, menjelaskan, dan menganalisis serta mendeskripsikan nilai moral dan bentuk penyampaiannya yang ada dalam cerpen tersebut. Untuk mencapai tujuan tersebut peneliti menerapkan teori sosiologi sastra Rene Wellek dan Austin Warren dengan cara mengkonfirmasi data-data cerpen dengan realitas. Hasil dari penelitian ini adalah memiliki sifat berkepribadian yang baik, Kepedulian terhadap kebaikan, Menasehati dalam kebaikan, Melindungi dan Berprasangka baik. Adanya kesamaan perilaku manusia antara cerpen dan keadaan masyarakat pada masa itu.
A Comparative Clinical Study on the effect of Vachadi Avaleha versus Mustakadi Avaleha in the management of Pratishyaya (~Recurrent Rhinitis) in school going children: A Single-blind Randomized Control Trial
Authors: Yewale Prasad Gajanan , Mate Swapnali , Khaire Utkarsha 
Published: October 2023

Background: In Ayurveda, Pratishyaya (~Recurrent Rhinitis) is described in Shiro-roga (Head disease).Pratishyaya (~Recurrent Rhinitis) is a common disease of childhood and it is well known for its recurrence. Immature Dhatu (tissues) state in children makes them more susceptible to recurrent infections. Clinical features of Pratishyaya (~Recurrent Rhinitis) can be correlated with rhinitis. Aim & Objective: To study the effect of vachadi avaleha and mustakadi avaleha in management of pratishyaya (~recurrent rhinitis). To study comparative efficacy of vachadi avaleha and mustakadi avaleha in management of pratishyaya(~recurrent rhinitis). Material & Method: Study comprises total 60 patients of Pratishyaya (~recurrent rhinitis) randomly divided into two equal groups. Group A (Experimental group) was treated with Vachadi avaleha two times a day after meal with honey and Group B (Control group) was treated with Mustakadi Avaleha administered two times a day after meal for 90 days. Patients were assessed for subjective parameters like rhinorrhoea, sneezing, nasal congestion, recurrence of rhinitis, duration of rhinitis per episode. Patients were assessed on every 30th day till completion of study period. Result- The effect of Mustakadi Avaleha (Group B) is significant at p<0.05 for subjective criteria such as nasastrava (rhinorrhoea), kshavathu (sneezing), and nasavarodha (nasal congestion) of pratishyaya (~Recurrent Rhinitis). Conclusion: Vachadi Avaleha is not as significant as Mustakadi avaleha in Pratishyaya (~Recurrent Rhinitis).