bluuebunny/crossref_metadata_2025 huggingface dataset:
The Relationship Between Smoking Habits and CO Levels of Adolescents in Middle Schools in Cinere District, Depok City, West Java, 2023
Authors: Silmy Kaaffah  , Raden Putri Annisya Affriany Praasetyo
Published: August 2024

Background: Smoking is one of the highest risk factors for non-communicable diseases. Cigarettes Contain various dangerous substances, one of which is Carbon Monoxide (CO) which can cause multiple diseases of the lungs, heart, and other organs. The number of adolescent smokers has increased from 2014 to 2019. Riskesdas data in 2018 also shows that smokers start smoking at the age of 15-19 years. Aims: This study examines the relationship between smoking habits in adolescents aged 12-19 years in 16 secondary schools in the Cinere District, Depok City, West Java. Method: This is a cross-sectional study of 486 samples using a random sampling method. Data on smoking habits were analyzed descriptively and its relationship with CO levels was analyzed using the Kruskal-Wall Test. Result: Studies show that 51.9% of teenagers have never smoked, 18.6% of teenagers have tried smoking, 14.9% of teenagers smoke occasionally and 14.7% of teenagers smoke every day. 69.81% of teenage smokers smoke using conventional cigarettes, 14.1% use electronic cigarettes, and 16.1% use both. The average number of cigarettes smoked was 19 cigarettes per week. The average teenage smoker starts smoking at the age of 13 years and has been smoking for 31 months. The reason teenagers smoke is because of curiosity at 50.8% and being invited by friends at 46.6%. The presence of family members at home who smoke reaches 71.9% and there is a significant relationship between the presence of family members at home smoking and smoking habits among students. The Kruskal-Wall Test between smoking habits and CO levels produces a P-value of 0.001. Conclusion: It can be concluded that there is a significant relationship between smoking habits and CO levels in teenagers in secondary schools in the Cinere District area in 2023.
Feasibility Test of Picture Book Recognizing the Dangers of Smoking as a Media for Educating Children about The Dangers of Smoking
Authors: Firda Atika Awaliya Putri  , Nafikadini Iken , Dewi Rokhmah
Published: August 2024

Introduction: The picture book media 'Recognizing the Threat of Smoking' as education about the dangers of smoking for children. The theme used in the picture book media is the danger of smoking, which was appropriately given to children, especially those in grades 4-6 of elementary school, with an age range of 10-12 years old. Objective: The general aim of this research was to test the feasibility of the picture book as a media for educating children about the dangers of smoking. Methods: This research was a research and development study with a qualitative approach conducted in January 2021 in Jember Regency. Data collection was done through interviews, observations, and documentation. Data analysis used Thematic Content Analysis. Results: This picture book consists of 18 pages, created through four stages: starting from the synopsis made directly by the researcher, creating a storyline also done directly by the researcher. Followed by a colleague as an illustrator for creating digital images, and a digital book is also done by the illustrator, then the final stage is printing done by the researcher. Conclusion: The material presented in the picture storybook about the dangers of smoking to children was suitable for children to read, but there were suggestions regarding the exposure of information on the health effects of smoking, which was considered insufficient. It was feared that if the health effects of smoking were only limited to a few diseases, the educational message would be less effective for children, who might think that smoking only causes minor health issues.
Severity of Postcovid Syndrome in Convalescent Covid-19 and Their Association with the Main Risk Factors for Chronic Non-Communicable Diseases
Authors: Karaseva A. A. , Afanaseva A. D. , Garbuzova E. V. , Kuznetsov A. A. , Palekhina Yu. Y. , Shchepina Yu. V. , Shramko V. S. , Logvinenko I. I. , Ragino Yu. I.
Published: August 2024

The purpose of the study is to assess the impact of the main risk factors (RF) of chronic non-communicable diseases on the severity of the postCOVID-19 syndrome (PCS) in COVID-19 convalescents.Materials and methods: 270 persons (48.1 % of them men, mean age 53.2±13.2 years) were included in the one-time observational study and are COVID-19 convalescents. The patients were divided into three groups according to the severity of the PCS. Group 1 included 79 people with no PCS, group 2 included 97 patients with light PCS, group 3 included 94 patients with moderate PCS. All patients were given standard general clinical and laboratory examination, anthropometry, echocardiography, and anamnesis data were evaluated. Persons without PCS were younger than patients with PCS (р=0,003). In patients with PCS compared to persons who did not develop PCS, statistically signifi cantly higher levels of glucose and IgG in the blood serum, systolic blood pressure and diastolic blood pressure, body mass index (BMI) waist circumference (WC) and indexes: triglyceride-glucose index (TyG /WC), TyG /BMI, lipid accumulation product (LAP), visceral adiposity index (VAI), number of obese patients and persons with diastolic left ventricular dysfunction. Patients with moderate PCS were more likely to have cardiovascular disease before developing a new coronavirus infection.Results: The forced expiratory volume in 1 s (FEV1), forced vital lung capacity (FVC) scores were lower for mild to moderate PCS compared to persons without PCS. There is a direct relationship between the presence of PCS and glucose level (r =3,138, p=0,000), diastolic left ventricular dysfunction (r =2,876, p=0,008) in the general group. In women, this association was detected only with the presence of diastolic left ventricular dysfunction (r=4,457, p=0,008). In men with glucose (r =4,343, р=0,000), WC (r =1,068, р=0,060) и diastolic left ventricular dysfunction (r =3,377, р=0,033). The chance of having a moderate PCS in men and women was associated with glucose level (r =1.537, p=0.001), VAI (r =1.256, p=0.005), САД (r =0.977, p=0.027), CVD before COVID-19 (r=0.460.036). In the group of men this association was preserved only with the level of glucose (r =2,357, p=0,004), the index VAI (r =1,430, p=0,020) and the presence of preceding CVD (r =0,160, p=0,014).Conclusion: the presence of PCS in convalescents COVID-19 independently of other factors is due to the level of glucose and the presence of diastolic left ventricular dysfunction. PCS of moderate severity is associated with an increase in glucose, systolic blood pressure, VAI index, and the presence of CVD prior to COVID disease, with PCS of moderate severity more associated with cardio-metabolic risk factors in men.
Systemic Amyloidosis with Cardiac Involvement: Features of Course and Diagnostic Difficulties
Authors: Voloshinova E. V. , Khorkina I. Yu. , Dzuban A. M. , Yakovleva E. V.
Published: August 2024

The diversity of clinical forms of amyloidosis is related to differences in amyloidogenic precursor proteins. Cardiac involvement is characteristic of AL- and ATTR-amyloidosis, with cardiac involvement developing in the vast majority of patients with AL-amyloidosis and in 50-60 % of patients with ATTR-amyloidosis. ATTR- (transthyretin) amyloidosis is one of the types of systemic amyloidosis, the precursor protein of which is transthyretin in the presence of mutations in its molecule (familial forms) or age-related disorders of its tetrameric secretion. Until recently, it was believed that transthyretin amyloidosis did not occur in Russia. However, the introduction of molecular genetic diagnostic methods for transthyretin mutations has demonstrated the occurrence of ATTR amyloidosis in Russia with a frequency close to the European average for non-endemic areas. The article presents the case report of systemic amyloidosis in a middle-aged woman. The disease presented at the age of 54 years with carpal tunnel syndrome. Subsequently, chronic heart failure refractory to treatment became the dominant manifestation of the disease. Heterogeneity of structure and significant myocardial thickening with preserved ejection fraction detected in dynamics in combination with new symptoms (diarrhea, orthostatic arterial hypotension, periorbital purpura, proteinuria) were considered as an infiltrative heart lesion within the framework of systemic amyloidosis. The result was a fatal asystole. Autopsy findings confirmed the diagnosis of systemic amyloidosis. The article discusses the issues of differential diagnosis of AL- and ATTR- amyloidosis based on the analysis of anamnestic and clinical data. The onset of the disease with carpal tunnel syndrome, the progressive distal neuropathy combined with autonomic dysfunction, the dominant cardiac involvement, the absence of renal amyloidosis according to autopsy data, and the duration of the disease from the time of clinical manifestation to death of 43 months are more indicative of ATTR amyloidosis. The article also discusses modern approaches to diagnostics of amyloid heart lesion in clinical practice, points out the difficulties arising in this case, emphasizes the importance of early diagnosis of cardiac amyloidosis, which allows to realize the possibilities of modern methods of amyloidosis treatment.
Clinical Correlations of ADHD Symptoms with Anxiety, Depression, and Self-Esteem in Medical Students: A Cross-Sectional Study
Authors: Eyüboğlu Murat , Durmuş Büşra , Altınöz Ali Ercan , Eyüboğlu Damla
Published: August 2024

Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder characterized by symptoms of inattention, hyperactivity, and impulsivity. This study explores the relationship between ADHD symptoms and the prevalence of anxiety, depression, and self-esteem issues among medical students. A cross-sectional study was conducted with 210 medical students. The Adult ADHD Self-Report Scale (ASRS), Hospital Anxiety and Depression Scale (HADS), and Rosenberg Self-Esteem Scale (RSES) were employed. ADHD risk was assessed using the dichotomized scoring of the ASRS. Logistic regression models evaluating the impact of ADHD symptoms on anxiety, depression, and self-esteem. The study found that 24% of participants were at high risk for ADHD. There was no significant difference in academic success, smoking habits, or perceived socioeconomic status between high and low-ADHD-risk groups. However, high-risk ADHD participants showed significantly worse scores in anxiety, depression, and self-esteem. Gender differences in ADHD prevalence were not observed. A strong relationship was identified between ADHD symptoms and increased anxiety and depression. Notably, 47% of students scored above the threshold for depression and 41% for anxiety. Logistic regression analysis revealed that high ADHD risk increased the scores for anxiety and depression but had no significant effect on self-esteem. The high prevalence of ADHD symptoms among medical students is a significant concern, particularly given their association with increased anxiety and depression. Early identification and treatment of ADHD in youth could potentially mitigate the development of mood symptoms and prevent the decline in self-esteem
Rencana penambahan peralatan mekanik di PT Binuang Mitra Bersama: kelayakan berdasarkan kriteria ekonomi
Authors: Rahmawati Elfina Nur , Hakim Romla Noor , Putri Karina Shella
Published: August 2024

PT Binuang Mitra Bersama Blok Dua meningkatkan target produksi batubara dari 7.000.000 ton/tahun menjadi 10.000.000 ton/tahun yang akan dimulai dari tahun 2019 sampai 2025. Penambahan target produksi batubara ini membuat PT Petrosea Tbk sebagai kontraktor dari PT Binuang Mitra Bersama Blok Dua merencanakan penambahan alat mekanis. Namun penambahan alat mekanis ini memerlukan biaya investasi yang relatif besar dan berdampak jangka panjang sehingga diperlukan pertimbangan berdasarkan kriteria-kriteria keekonomian agar dapat mengambil keputusan yang strategis antara alternatif (1) membeli atau (2) menyewa. Metode yang digunakan dalam  pertimbangan pengambilan keputusan antara lain net present value (NPV), internal rate of return (IRR), payback period (PP), dan analisis sensitivitas. Kemudian untuk mengetahui alternatif yang layak secara ekonomis didasar pada perbandingan hasil perhitungan kriteria-kriteria  ekonomi dari kedua alternatif solusi. Hasil perhitungan kriteria ekonomi NPV, IRR, dan PP berturut alternatif 1 antara lain Rp 37.600.331.709, 13,31%, dan 6 tahun 1 bulan, serta alternatif 2 antara lain Rp 220.947.500.000, tidak ada, dan tahun pertama. Berdasarkan analisis sensitivitas yang berpengaruh pada alternatif 1 dan 2 yaitu parameter pendapatan. Kedua alternatif menunjukkan nilai yang memenuhi kelayakan namun yang lebih menguntungkan dan dijadikan rekomendasi adalah alternatif menyewa alat mekanis.
ANALISIS MODEL LOGIT KUMULATIF UNTUK MENENTUKAN DETERMINAN USIA KAWIN PERTAMA WANITA DI KABUPATEN BALANGAN
Authors: Susanti Dewi Sri
Published: August 2024

The Province of South Kalimantan is one of the five provinces in Indonesia with the highest teenage marriage rate from 2017 to 2020.  Based on 13 South Kalimantan regencies/cities, it is known that Balangan Regency has the greatest percentage of women's age at first marriage under 19 years compared to other regencies/cities, which is 55.58%. The purpose of this study is to identify the factors that influence women's age at first marriage in Balangan Regency in 2020. In this investigation, ordinal logistic regression with the cumulative logit model was used.  The findings revealed that the highest education ever/currently obtained by a woman (X1), parents' age at first marriage (X2), the highest diploma of the head of the household (X3), employment status of the head of the family (X4), location of place of residence (X5), poverty status (X6), and migration (X7) had no significant effect.  Furthermore, using the Spearman rank correlation coefficient, it was discovered that the highest education ever/currently obtained by a woman  (X1) has a substantial correlation/closeness of link with women's age at first marriage by 28%.  Women with a higher degree of education are less likely to marry at a young age, whereas women with a lower level of education are more likely.
L’adaptation de l’agriculture à la diminution de la ressource en eau en Roussillon : une approche par la géographie des risques
Authors: KYPREOS Vassili
Published: August 2024

L'adaptation de l'agriculture est un sujet d'actualité et de société. Cet enjeu est d'autant plus fort dans les Pyrénées-Orientales, où les années successives de sécheresse ont intensifié les crises sociales, économiques et environnementales. Malgré une stratégie d'économie d'eau qui a permis de réduire drastiquement les volumes d'eau utilisés par les agriculteurs, la pénurie de ressources s'intensifie. Cette étude examine la manière dont les politiques publiques abordent l'adaptation de l'agriculture et l'efficacité de ces mesures pour réduire la vulnérabilité des agriculteurs. Pour ce faire, elle étudie les stratégies des agriculteurs à partir d'entretiens semi-directifs, traités à l'aide d'un logiciel d'analyse qualitative. En prenant en compte l'ensemble des actions présentes et futures des agriculteurs dans une approche systémique et territoriale, ce travail a permis d'identifier quatre stratégies d'adaptation différentes qui prennent sens dans le territoire où elles se déroulent. L'adaptation au manque d'eau peut prendre différentes formes et ne peut se réduire à l'accès à l'eau. Dans certains cas, la politique d’offre en eau appuyée par les institutions augmente la vulnérabilité des exploitations.
La France agricole face à la sécheresse : regards croisés de représentants d’institutions nationales, régionales et locales d’Occitanie
Authors: COMPÈRE Pierre
Published: August 2024

« Anticiper pour mieux planifier : Quelle demande en eau pour quelle agriculture demain ? », c’est sur ce thème que se sont retrouvés le 28 septembre 2023 à Montpellier, un groupe d’experts de l’eau issus des services de l’État, de collectivités, du monde universitaire et d’entreprises proposant des solutions. En introduction au colloque, des représentants d’institutions nationale, régionale et locale ont posé le cadre de la journée d’échanges, en présentant à leur échelle comment ils appréhendaient l’enjeu de la France agricole face à la sécheresse. Ils se sont appuyés notamment sur les retours d’expériences des récents épisodes de sécheresse de 2022 et 2023 dans le contexte des régions du Sud de la France. Cet article reprend les messages principaux des intervenants, dont voici quelques extraits :Nathalie BERTRAND - Ministère de la Transition écologique et de la Cohésion des territoires : « Là où cela est possible et nécessaire, la mobilisation de la ressource en eau pour l’irrigation doit être couplée à des évolutions d’assolement et de pratiques culturales et se faire dans le respect de son renouvellement et du bon état des milieux. Et là aussi penser en termes de résilience…».Alain HALMA – Chambre d’agriculture des Pyrénées Orientales : « Pour ce qui concerne les Pyrénées Orientales, nous aurons besoin d'augmenter les surfaces équipées en irrigation pour pouvoir nous adapter au changement climatique ; même en faisant évoluer les assolements, en arrêtant les céréales, le maïs... Mais il ne s’agit pas nécessairement d’augmenter les volumes d’eau consommée pour autant ! ».Karine BONACINA - Agence de l’eau Rhône-Méditerranée-Corse : « Parmi les outils déjà en place servant une telle gouvernance concertée, on retrouve les projets de territoire pour la gestion de l’eau (PTGE) mais nous devons plus systématiquement les compléter par un volet "adaptation" ».Mélanie BONNEAU - Agence d'Urbanisme Catalane Pyrénées Méditerranée : « On peut penser qu'en matière agricole, les collectivités doivent monter en compétences et se doter de plus de moyens, au même titre que dans d'autres pans du développement économique, pour mieux assurer ces responsabilités que leur confère la loi ».
Analisis Efektivitas dan Kontribusi Pajak Daerah Sebagai Sumber Pendapatan Asli Daerah Provinsi DKI Jakarta
Authors: Havi Alya Putri , Gurendrawati Etty , Prihatni Rida
Published: August 2024

This study aims to analyze the effectiveness of Parking Tax, Land and Building Acquisition Duty (BPHTB), and Rural and Urban Land and Building Tax (PBB- P2) in increasing local tax contributions in 2019-2023. This research uses quantitative descriptive analysis method. The data used comes from the LKPD of DKI Jakarta Province in the form of targets and realization of local tax revenues, as well as the realization of Regional Original Revenue in 2019-2023. The results of this study indicate that the average level of effectiveness of Parking Tax is still in the less effective criteria of 79.55% and its contribution to PAD of 0.94% in the criteria is very less. Then, the average level of effectiveness of BPHTB is in moderately effective criteria of 81.18% and its contribution to PAD is 13.25% in the criteria of less. And the average level of effectiveness of PBB-P2 is quite effective at 89.47% and its contribution to PAD is 20.35% in moderate criteria.
Kepemilikan Institusional, Kepemilikan Manajerial, dan Risiko Bisnis Terhadap Struktur Modal dengan Ukuran Perusahaan Sebagai Moderasi
Authors: Nabila Alfiana Sukma , Yusuf Muhammad , Prihatni Rida
Published: August 2024

This study aims to analyze the effect of institutional ownership, managerial ownership, and business risk on capital structure with company size as a moderating variable.  This study uses quantitative methods by taking the population of companies listed on the Indonesia Stock Exchange (IDX) in the property sector. The sample was selected using purposive sampling technique so that a total of 33 property companies were obtained in the period 2020-2022. The data analysis method used is panel data regression analysis and moderated regression analysis (MRA) using the Eviews 12 test tool. The results showed that institutional ownership has a negative and significant effect on capital structure, managerial ownership has no effect on capital structure, business risk has no effect on capital structure. The proven moderation test result is that firm size significantly moderates the relationship between institutional ownership and capital structure.
ONLINE PLATFORMS USED BY STUDENTSâ€™ TEACHER OF EED UMK IN INTERNSHIP PROGRAM AFTER COVID 19 PANDEMIC
Authors: Apriliyani Indah rosika , Muh. Syafei  , Mutohhar
Published: August 2024

The purpose of this research was to analyze the kind of online platform used by students teacher of EED UMK in the internship program and the problem of using online platform in internship program after covid 19 pandemic by students teacher. The research method use is qualitative. The data collection technique was carried out by the researcher using the questionnaire, interview, and documentation with fifteen seventh semester students teacher of EED UMK as a subject. Respondents said in internship program after pandemic the online platform used by students teacher are Google Meet, Google Classroom, Zoom, WhatsApp, Google Form, Padlet, Wordwall, Mentimeter. Google Classroom and Zoom are little used because the students not pay attention in the learning process and difficult to control the students, and WhatsApp become the most online platform by students teacher in internship program after pandemic, because easy and practice. The most problem faced by students teacher is network connection and the less problem is ability of students teacher in use online platform. The researcher suggestions the students teacher must learn about the online platform and select suitable online platform for students.
PERSEPSI SISWA TERHADAP PEMANFAATAN E-BOOK SIBI SEBAGAI SARANA LITERASI DIGITAL DALAM PEMBELAJARAN BAHASA INDONESIA
Authors: Maratussholihah Zuhrotul , Ahmadi Anas , Raharjo Resdianto Permata
Published: August 2024

Penelitian ini bertujuan untuk mengidentifikasi mengenai persepsi siswa terhadap pemanfaatan e-book SIBI yang digunakan sebagai sarana literasi digital dalam pembelajaran bahasa Indonesia. Metode yang digunakan dalam penelitian ini yaitu metode survey dengan pendekatan kuantitaif. Sampel penelitian yang digunakan yaitu siswa kelas XI F4 SMA Negeri 1 Mantup dengan teknik purposive sampling. Pengumpulan data dalam penelitian ini menggunakan teknik angket atau kuesioner dengan lembar kuesioner sebagai instrumennya. Adapun analisis data yang digunakan dalam penelitian ini yaitu statistik deskriptif untuk mengetahui mean dan presentase dari hasil kuesioner siswa. Hasil analisis data menunjukkan bahwa persepsi siswa kelas XI F4 di SMA Negeri 1 Mantup yang berjumlah 40 siswa terhadap pemanfaatan e-book SIBI mendapatkan rata-rata skor sebesar 3,34 yang masuk dalam kategori sangat baik. Hasil tersebut menunjukkan bahwa persepsi siswa mengarah pada persepsi yang positif. Siswa dan guru mampu menerima serta memanfaatkan e-book SIBI dengan sangat baik sebagai sarana literasi digital dan penunjang dalam pembelajaran bahasa Indonesia. E-book SIBI menjadi media iterasi digital yang sangat relevan, baik, dan efektif dalam pengembangkan literasi digital siswa, khusunya dalam pembelajaran bahasa Indonesia.
A Systematic Literature Review on the Use of Chat GPT in Higher Education
Authors: Latifah Afina
Published: August 2024

Technological developments are currently an important issue in education because they have given birth to Artificial Intelligence (AI), one of which is chat-gpt. Chat-gpt has had a significant impact on the world of education, especially in universities. This article aims to explore the use of chat-gpt in higher education, and then analyze the impacts and challenges of using chat-gpt. The research method used in this article is a Systematic Literature Review method (SLR). This study analyzes 18 relevant journal articles taken from various sources published in 2022-2023. This research highlights several uses of chat-gpt such as: in working on papers, articles, other scientific papers, and assignments given by lecturers. The research results show that the development of artificial intelligence technology has made chat-gpt often found among students. Almost all students use chat-gpt. because Chat-gpt provides many conveniences for students in terms of education. It can be concluded that the use of chat-gpt has an active role in helping students complete various kinds of tasks. And there are many challenges faced in using chat-gpt.
Phosphorus and Silicon Uptake By Corn (Zea mays L.) in Response to Silicon Application in Calcareous Soil
Authors: Al-Rubie Jumana A. Jawad , A. Abdulkareem Mohammed
Published: August 2024

A field experiment was conducted on clay soil at the Agricultural Research Station, College of Agriculture, University of Basra, Basra, Iraq, to investigate the impact of silicon addition on phosphorus and silicon uptake in corn plants. Silicon was applied as potassium silicate (26.5% Si2O) at 0 and 200 kg Si ha^-1 in two doses: on planting day and two weeks after planting. Phosphorus was applied as concentrated superphosphate or diammonium phosphate at 0, 12.5, 25, and 50 kg P ha^-1 on planting day. Measurements included soil available phosphorus at two stages, leaf phosphorus and silicon concentrations at two stages, grain phosphorus concentration, and the uptake and ratio of the two elements. Results showed that adding silicon increased soil available phosphorus, leading to higher phosphorus and silicon concentrations in leaves and improved uptake of both elements, along with increased grain phosphorus concentration. The Si/P uptake ratio also rose with silicon addition. Higher phosphorus levels boosted soil available phosphorus, enhancing phosphorus and silicon concentrations and uptake, and increased grain phosphorus concentration. The Si/P ratio decreased with rising phosphorus levels. Diammonium phosphate outperformed concentrated superphosphate in all uptake parameters. The study concludes that applying silicon at 200 kg Si ha^-1 can enhance phosphorus and silicon absorption. The Si/P ratio demonstrated that silicon uptake was significantly higher than phosphorus uptake, by nearly four times in some parameters. It is recommended to use silicon to treat corn plants under stress, as the plant accumulates a high amount of silicon, qualifying it as an accumulative species.
Selectivity characteristics of 35 mm diamond and square mesh cod-ends with respect to Johnius macrorhynus and Photopectoralis bindus from east coast of India
Authors: KAMEI G. , R. Raghu Prakash  , U. Sreedhar
Published: August 2024

Selectivity characteristics of 35 mm diamond and square mesh cod-ends were studied from commercial trawlers off Kakinada, Andhra Pradesh. The L25, L50 and L75 of Johnius macrorhynus were 4.54, 7.04, 9.54 cm respectively for 35 mm diamond mesh cod-end, and 4.83, 7.17, 9.50 for square mesh cod-end. The selection ranges were 5.0 and 4.67 for J. macrorhynus for diamond and square mesh cod-end respectively. Selection factors for diamond and square were 2.01 and 2.04 respectively. The L25, L50, L75 values ofPhotopectoralis bindus were 2.30, 5.63, 8.96 cm respectively for diamond mesh cod-end and 3.85, 7.53, 11.21cm for square mesh cod-end. Selection ranges were 6.66 and 7.36 for diamond and square mesh cod-end respectively. Selection factor and selection ratio were1.60 and 1.90 for diamond and 2.15 and 2.10 for square mesh cod-ends respectively. Overall, square mesh showed better selectivity over diamond mesh cod-end trawl net during the investigation.
Keywords: Diamond mesh, Escaped, Retained, Selectivity, Square mesh
Length-based stock assessment of the blue swimming crab Portunus pelagicus (Linnaeus, 1758) in the northern coast of Java, Indonesia
Authors: Heri Widiyastuti  , Tirtadanu
Published: August 2024

The blue swimming crab Portunus pelagicus is heavily exploited in the northern coast of Java (NCJ), due to its high economic value as an export commodity. Without any management measures, the continued fishing efforts could lead to the depletion of the blue swimming crab (BSC) stock, threatening the economy of fishing communities. Stock assessment is crucial to evaluate stock status and to develop management recommendations. Length frequency and some biological data for 2019 was used to perform a length-based assessment of BSC fisheries in the NCJ. This study revealed that a high fishing mortality and a low selectivity of gillnet fishery had resulted in recruitment overfishing of BSC, with a spawning potential ratio of 0.20±0.05. The current fishing mortality has exceeded 37% of the optimum level and the current selectivity is below the optimal value of a 12 mm carapace width. A combination of management measures including 37%  reduction in fishing effort, gear modification to attain 12 mm selectivity, closure of the spawning area in August and habitat restoration, could be implemented to ensure the sustainability of blue swimming crabs in the northern coast of Java
Keywords: Gillnet, Management recommendation, Spawning potential ratio, Stock status
Extraction of proteins from six seaweeds of south-east coast of India: Proximate composition and effect of process variables on protein solubilisation
Authors: S. B. Sushri  , K. Elavarasan  , M. P. Safeena  , M. D. Hanjabam  , C. S. Tejpal
Published: August 2024

Seaweed resources have received huge interest as a dietary source of proteins. In this study, we investigated the effects of process variables such assolvent-to-solid ratio, duration, temperature and pH on solubilisation of proteins from Enteromorpha compressa with the aim of developing a process of seaweed protein extraction. Protein solubilisation was also assessed for five additional seaweeds viz, the brown seaweed Turbinaria conoides, the red seaweeds Kappaphycus alvarezii, Gracilaria edulis, and Hypnea valentiae) and the green seaweed Halimeda gracilis, using the optimum conditions derived for E. compressa. Protein content in the dried seaweed samples ranged from 3.05-11.29%. Based on the extent of protein solubilisation, the optimal conditions were found to be a duration of 30 min, pH of 9, temperature of 90˚C and dried seaweed-to-solvent ratio of 1:30. Under these conditions, 19.90% of proteins from E. compressa were solubilised. Under the same process conditions, protein solubilisation from T. conoides, K. alverzii, H. gracilis, H. valentiae and G. edulis was 27.39, 30.88, 45.57, 19.68 and 40.32%, respectively. The investigation condluded thatprotein extraction from seaweeds is highly challenging and needs further research for improved recovery.
Keywords: Alkali solubilisation, Process variables, Protein extraction, Seaweed protein
ANÁLISE DA RELAÇÃO ENTRE A QUANTIDADE DE CHUTES E O RESULTADO DOS JOGOS NA FASE DE PLAYOFFS DA LIGA NACIONAL DE FUTSAL 2020
Authors: ALCANTARA DA SILVA Leonardo , CERINE DA CRUZ Bruno Nicolau , PACIFICO MARTINELI Telma Adriana
Published: August 2024

O Futsal é uma das modalidades esportivas mais praticadas na atualidade, sendo o chute um dos elementos técnicos mais importantes durante uma partida. Nesse sentido, essa pesquisa analisou a relação entre os chutes executados e o resultado final das partidas disputadas durante a fase de Playoffs da Liga Nacional de Futsal 2020, no Brasil. Foram coletados e analisados, descritivamente, os scouts de 60 jogos disputados nos Playoffs, disponibilizados no site oficial da Liga Nacional de Futsal, temporada 2020, na categoria adulto masculino, no Brasil. Foram executados um total de 2.219 chutes (média de 36,98 (+-81,10)), dos quais 743 (33,5%) foram em direção à meta adversária (média de 12,38 (+-29,31)), e 1.476 (66,5%) foram para fora da meta (média de 24,60 (+-53,74)). Os resultados também mostraram que a equipe campeã não foi a que conseguiu chutar mais vezes durante as partidas nessa fase da competição. O Futsal é uma modalidade que exige ações complexas, portanto, a equipe campeã foi aquela que, no conjunto de suas ações ofensivas, conseguiu obter maior aproveitamento e eficiência em relação à quantidade de chutes em direção ao gol. Concluiu-se, então, que o resultado dos jogos disputados na fase de Playoffs da Liga Nacional de Futsal 2020 relaciona-se à eficiência dos chutes em direção ao gol, e não ao total de chutes executados durante as partidas.
TEORIA DAS REPRESENTAÇÕES SOCIAIS EM AGENDA PARA O CAMPO DE PÚBLICAS – ELABORAÇÕES EM CATEGORIAS EMERGENTES
Authors: Bizarria Fabiana Pinto de Almeida , Sampaio Flávia Lorenne Barbosa , Alves Sobrinho Francisca Scarlet O’hara , Martins Daniel Felipe Victor
Published: August 2024

A pesquisa parte do potencial da Teoria das Representações Sociais (TRS) para o campo de públicas, argumento subjacente ao objetivo de agregar discussão sobre o tema a partir de uma meta-síntese. Para tanto, foram extraídos 357 textos da base de dados Web of Science, com base nos descritores título “social representation”, com o conectivo “and” e o tópico “public”, considerando o lapso temporal de 1945 a 2021. Os resumos seguiram análise léxica, com auxílio do software Iramuteq, elaboração de categorias e subcategorias, com suporte no software Atlas Ti, na perspectiva de configurar insights para ampliação do argumento. Principais categorizações geradas foram: i) Representações, comunicação e conhecimento; ii) Representações, direito (s) e estereótipos sociais; iii) Discurso Público: hegemônico; legitimidade; normatividade e acessibilidade; iv) Métodos e Técnicas de pesquisa. Infere-se que pesquisas no âmbito da TRS associados ao campo de públicas compreende um campo multifacetado, de base compreensiva, que visa elucidar questões críticas da sociedade.
The Concept of “Meta” Education on Islamic Values Based on the Psychological Development of Cadet
Authors: Mustofa Imron , Hadi Abd.
Published: August 2024

This study investigates meta-consciousness cultivation based on Islamic principles among Naval Academy cadets. These principles symbolize military virtues in society. The study explores integrating multicultural Islamic values into cadets and the subsequent internalization of these values in developing meta-consciousness. A qualitative approach focusing on phenomenological analysis was employed to address this issue by analyzing various textual and contextual sources. Data were obtained through in-depth interviews with several individuals in the Academy. In addition, the study investigated curriculum-related documents and educational programs. The collected data were thoroughly analyzed using data reduction, presentation, and deduction. The results were then compared with findings from related studies to validate the conclusions. This study obtained two primary findings. Firstly, the Academy perceived Islamic brotherhood as solidarity within a multicultural environment. This solidarity was described by three fundamental principles: self-regulation, tolerance, and ukhūwah. In our observation, the Academy provided immersive experiences while upholding professionalism, ethics, and reverence for diversity. It emphasized its dedication to nurturing a holistic comprehension and implementing multicultural Islamic values among its cadets. Secondly, this research found that the Academic embraced the instructional system design (ISD) framework to instill “meta” Islamic values in individual mindsets.
Islamic Leadership, Workplace Spirituality, and Innovative Work Behavior on Teachers’ Islamic Performance: Mediating Role of OCBIP
Authors: Nur Rahmi Sonia  , Sutiah  , Wahidmurni  , Soeharto
Published: August 2024

This research aims to analyze the influence of Islamic leadership, workplace spirituality, and innovative work behavior on teachers’ Islamic performance through Organizational Citizenship Behavior Islamic Perspective (OCBIP) mediation. The population of this research was all certified teachers in Madrasa Aliyah Ponorogo, Indonesia. The total sample involved was 276 certified teachers. This study employed the proportional stratified random sampling technique. The data were collected directly from respondents. The analysis in this study used Partial Least Square. The research findings reveal that OCBIP mediates the influence of Islamic leadership and workplace spirituality on teachers’ Islamic performance but fails to mediate the influence of innovative work behavior on teachers’ Islamic performance. Hence, the present study offers an essential contribution to the Islamic management literature by showing the mediating role of OCBIP in the relationship between leadership spirituality and performance, as well as providing practical insights for developing educational policies that are more holistic and with Islamic values.
Estimating Residual Oil Saturation in Carbonate Rocks: A Combined Approach of Direct Simulation and Data-Driven Analysis
Authors: Rizk A. S. , Tembely M. , AlAmeri W. , Al-Shalabi E. W. , Farmanov R. , Markovic S.
Published: August 2024

Estimating residual oil saturation (Sor) post-waterflooding is critical for selecting enhanced oil recovery strategies, further field development, and production prediction. We established a data-driven workflow for evaluating Sor in carbonate samples using microcomputed tomography (μ-CT) images. The two-phase lattice Boltzmann method (LBM) facilitated the flooding simulation on 7,192 μ-CT samples. Petrophysical parameters (features) obtained from pore network modeling (PNM) and feature extraction from μ-CT images were utilized to develop tree-based regression models for predicting Sor. Petrophysical features include porosity, absolute permeability, initial water saturation (Swi), pore size distribution (PSD), throat size distributions (TSD), and surface roughness (Ra) distribution. Our method excludes vugs and macro/nanoporosity, which complicates multiscale simulations—a recognized challenge in modeling carbonate rocks. When subdividing the image into numerous subvolumes, certain subvolumes may contain vugs exceeding the dimensions of the subvolume itself. Hence, these vugs were omitted given the entirety of the image constitutes a vug. Conversely, vugs with dimensions smaller than those of the subvolume were not excluded. Despite scale limitations, our subsampling, supported by substantial data volume, ensures our microscale porosity predictions are statistically reliable, setting a foundation for future studies on vugs and nanoporosity’s impact on simulations.

The results show that features obtained from dry-sample images can be used for data-driven Sor prediction. We tested three regression models: gradient boosting (GB), random forest (RF), and extreme gradient boosting (XGBoost). Among these, the optimized GB-based model demonstrated the highest predictive capacity for Sor prediction [R2 = 0.87, mean absolute error (MAE) = 1.87%, mean squared error (MSE) = 0.12%]. Increasing the data set size is anticipated to enhance the models’ ability to capture a broader spectrum of rock properties, thereby improving their prediction accuracy. The proposed predictive modeling framework for estimating Sor in heterogeneous carbonate formations aims to supplement conventional coreflooding tests or serve as a tool for rapid Sor evaluation of the reservoir.
RETRACTED: Energy Efficient Antenna Selection Method for Massive MIMO System in Downlink Scenario
Authors: kassahun Ermias
Published: August 2024

The authors have requested that this preprint be removed from Research Square.
Machine learning interatomic potential with DFT accuracy for general grain boundaries: Analysis of grain boundary energy and atomic structure in α-Fe polycrystals
Authors: Ito Kazuma , Yokoi Tatsuya , Hyodo Katsutoshi , Mori Hideki
Published: August 2024

To advance the development of high-strength polycrystalline metallic materials towards achieving carbon neutrality, it is essential to design materials in which the atomic-level control of general grain boundaries (GGBs), which govern the material properties, is achieved. However, owing to the complex and diverse structures of GGBs, there have been no reports on interatomic potentials capable of reproducing them. This accuracy is essential for conducting molecular dynamics analyses to derive material design guidelines. In this study, we constructed a machine learning interatomic potential (MLIP) with density functional theory (DFT) accuracy to model the energy, atomic structure, and dynamics of arbitrary grain boundaries (GBs), including GGBs, in α-Fe. Specifically, we employed a training dataset comprising diverse atomic structures generated based on crystal space groups. The GGB accuracy was evaluated by directly comparing with DFT calculations performed on cells cut near GBs from nano-polycrystals, and extrapolation grades of the local atomic environment based on active learning methods for the entire nano-polycrystal. Furthermore, we analyzed the GB energy and atomic structure in α-Fe polycrystals through large-scale molecular dynamics analysis using the constructed MLIP. Conventional interatomic potentials cannot accurately calculate the GB energy and atomic structure in α-Fe polycrystals. Conversely, the average GB energy of α-Fe polycrystals calculated by the constructed MLIP is 1.57 J/m2, exhibiting good agreement with experimental predictions. Our findings demonstrate the methodology for constructing an MLIP capable of representing GGBs with high accuracy, thereby paving the way for materials design based on computational materials science for polycrystalline materials.
Assessing crop health and its link to fungal soil microbiome composition through remote sensing
Authors: Sorensen Mathies , Faurdal David , Schiesaro Giovanni , Jensen Emil , Jensen Michael , Clemmensen Line
Published: August 2024

This study explores the link between crop health, observed via hyperspectral satellite imagery, and fungal soil microbiome taxonomy. We connect the normalized difference vegetation index (NDVI), a measure of crop health, to fungal microbiomes in wheat, barley, and maize utilizing a two-step machine learning process. The first step corrects NDVI values for abiotic confounders using a random forest model trained on Lucas 2018 topsoil and era5 climate datasets. The second step clusters operational taxonomy unit (OTU) counts from fungal DNA and investigates the corrected NDVI values for these clusters, revealing significant differences in NDVI values. To identify potential bio-fertilizer candidates, we compare the average relative abundance of OTU clusters and construct sparse biological networks. Bootstrapping and a graphical lasso model select significant links to build the networks. Key findings are: (I) clusters with higher plant pathogenic genera have lower NDVI values; (II) Clusters with higher influential scores for multiple beneficial genera have higher NDVI values; (III) taxonomy with 1-3\% abundance seems to play a key role in regulating microbial networks; (IV) the influence of beneficial vs. pathogenic taxonomy is relative to their abundance. The study links satellite data to fungal microbiomes, providing a baseline for exploring fungal bio-fertilizers.
Predicting the chemical composition of urinary calculi in vivo using gray scale ultrasound
Authors: Liu Ning ning , Li Jing
Published: August 2024

Objective The purpose of this study was to preliminarily predict the chemical composition of urinary calculi using ultrasound in vivo. Methods The data of 267 urinary calculi patients were analyzed retrospectively, including non-contrast computed tomography (NCCT) and ultrasound imaging data before the intervention and post-interventional chemical composition. The Hounsfield unit (HU) value of calculi, the grayscale value of calculi and the grayscale value of posterior acoustic shadow of calculi on ultrasound were measured and analyzed statistically. Results The chemical composition analysis indicated that there were four types of mixed calculi; the main components were calcium oxalate monohydrate (COM) calculi, calcium oxalate dihydrate (COD) calculi, carbonate apatite (CA) calculi and anhydrous uric acid (UA0) calculi. The HU value was distinguished between calcium-containing calculi and UA0 calculi, with a cut-off value of 644.00, a sensitivity of 88.00% and a specificity of 95.04%, and P < 0.001. The grayscale value of calculi on ultrasound was distinguished between calcium-containing calculi and UA0 calculi with a cut-off value of 200.29, a sensitivity of 38.84% and a specificity of 96.00%, P < 0.001. The grayscale value of the posterior acoustic shadow of calculi on ultrasound was distinguished between CA calculi and UA0 calculi with a cut-off value of 31.48, a sensitivity of 58.33% and a specificity of 84.00%, and P = 0.011. Conclusion Ultrasound can preliminarily distinguish the chemical composition of urinary calculi and provide certain information for clinicians to choose treatment plans.
Assessing the impact of complex health systems strengthening program on maternal health care utilization in fragile and conflict-affected states: evidence from the Democratic Republic of the Congo
Authors: Hotchkiss David R. , Blum Lauren S. , Craig Leslie S. , Yemweni Anicet , Wisniewski Janna , Lusamba-Dikassa Paul-Samson
Published: August 2024

Background
The maternal mortality ratio in the Democratic Republic of the Congo (DRC) remains among the highest in the world. However, to date, only limited evidence is available on the impact of maternal health care interventions on service quality and utilization in the DRC (11). The purpose of the study was to investigate the impact of a large, complex health systems strengthening program on maternal health care utilization in DRC.
Methods
The study used difference-in-differences models based on data collected from population-based household surveys at baseline (2014) and endline (2017) in treatment and matched comparison areas in three provinces. The dependent variables consist of the use of antenatal care (ANC) and facility-based delivery. Qualitative analyses were also incorporated in the study to explore perceptions of maternal health care offered and strategies to improve care.
Results
The health systems strengthening program was found to have had a positive impact on the probability of a woman delivering in a health care facility. There was not a significant impact on the receipt of at least four ANC consultations. The qualitative results indicated that uptake of ANC consultations in program areas was challenged by distance to facilities and the time involved in ANC, limited community outreach, and cultural norms.
Conclusions
The research points to the sample population’s high reliance on health centers and posts that provide basic maternal services and low accessibility to hospitals offering lifesaving comprehensive emergency obstetric care. The findings also highlight the need for formative research to inform interventions so that they better match social norms and address contextual needs.