bluuebunny/crossref_metadata_2025 huggingface dataset:
Effects of Operating Conditions on the Performance of Forward Osmosis with Ultrasound for Seawater Desalination
Authors: Al-Sakaji Bara A. K. , Al-Asheh Sameer , Maraqa Munjed A.
Published: July 2022

This study investigates the effect of using ultrasound on water flux through a forward osmosis membrane when applied for seawater desalination. A synthetically prepared solution simulating seawater with scaling substances and organic foulants was used. The parameters considered include membrane cross-flow velocity, flow configuration (co-current versus counter-current), direction of ultrasound waves relative to the membrane side (active layer versus support layer), and type of draw solution (NaCl versus MgCl2). The study revealed that applying a continuous ultrasound frequency of 40 kHz was effective in enhancing water flux, especially when the ultrasound source faces the membrane active layer, irrespective of the used draw solution. The highest water flux enhancement (70.8% with NaCl draw solution and 61.9% with MgCl2 draw solution) occurred at low cross-flow velocity and with the ultrasound waves facing the membrane active layer. It was also observed that the use of ultrasound generally caused an adverse effect on the water flux when the ultrasound source faces the membrane support layer. Moreover, applying the ultrasound at the membrane support layer increased the reverse solute flux. For all tested cases, higher water flux enhancement was observed with NaCl as a draw solution compared to the cases when MgCl2 was used as a draw solution.
Influence of Fines Content on the Stability of Volcanic Embankments under Rainfall and Earthquake
Authors: Nguyen Trong Nam , Kawamura Shima , Dao Minh Hieu , Inaba Takumi
Published: July 2022

This study aims to investigate the effects of fine content on the mechanical behavior of embankments constructed from volcanic soil subjected to rainfall and earthquake. To accomplish this purpose, a series of 1 g model experiments on slopes using Komaoka volcanic coarse-grained soils as materials was conducted with a spray nozzle and shaking table. In the experiments, shear strain, acceleration, pore water pressure, and saturation degree were monitored and measured to provide an understanding of the failure mechanism of the model embankment with different fine particle contents during post-rainfall earthquakes. The results show that the increase in the fines content of the volcanic soil reduces the permeability of the volcanic embankment but has no significant effect on rainfall-induced slope failure until the shear strain is less than 6%. Moreover, the seismic resistance of volcanic slopes subjected to previous rainfall increases when the fine particle content increases to a certain threshold of about 27%.
Estimation of River Discharge Using Unmanned Aerial Vehicle (UAV) Based on Manning Formula for an Ungauged Alpine River in the Eastern Qilian Mountains
Authors: Cai Mingyong , Gao Jixi , Fan Xuanmei , Liu Sihan , Shen Wenming , He Chaoyang
Published: July 2022

River discharge is crucial to water resources development and ecological protection. However, in some arid areas of northwest China, it is still difficult to measure discharge accurately. In this study, unmanned aerial vehicle (UAV) imagery has been used to estimate river discharge at two river sections in the upper reaches of the Shiyang River in the eastern part of the Qilian Mountains based on the Manning formula. The estimated discharges at those two sections are 1.16 m3/s and 3.11 m3/s, respectively. Taking the discharges measured by an acoustic Doppler current profiler (ADCP) as the reference, the relative error of the estimates is below 5%, which is accurate enough for water resources management in mountain basin regions. Multiple high-resolution satellite images were also used to calculate water discharges at the two sections, which were in good agreement with the discharges estimated from UAVs. This study demonstrates the feasibility of using UAVs to estimate river discharge, which is of great significance for future regional-scale water resource assessments.
Assortment policy of Moscow trade organizations selling dried and stock fish
Authors:   Department of International Commerce, Graduate School of Corporate Governance, Nikolaeva M.A. , Polnikova А.А. ,   School of Corporate Governance, Russian Academy of National Economy and Public Administration under the President of the Russian Federation
Published: July 2022

This article presents the results of the surveys of the real trade assortment in the category “Dried and stock fish” conducted by the authors. The purpose of the study was to survey the categorical assortment of dried and stock fish and determine its indicators, as well as to analyze the assortment policy of 3 retail stores. The conducted studies of the assortment of dried and stock fish made it possible to identify the real trade assortment in the surveyed stores. It has been established that the actual assortment of the Perekrestok store is close to rational. The coefficient of completeness and depth of this store is significantly higher than in other stores under consideration. The O’key store has the highest novelty coefficient. It was revealed that the basic depth of the category assortment for dried and stock fish reaches 44 brands and their modifications, and all stores have an assortment that is not repeated in other surveyed stores.
Analytical control of the content of heavy metals and organochlorine pesticides in fish and fish products
Authors:   Department of Chemistry and Ecotoxicology, Moscow State University of Food Production, Roeva N.N. , Voronich S.S. ,   Department of Chemistry and Ecotoxicology, Moscow State University of Food Production, Zaitseva I.A. ,   Moscow State University of Food Production
Published: July 2022

The article presents the results of the estimation of lead, copper, chromium and organochlorine pesticides in fish and fish products. The flameless atomic absorption spectroscopy and gas-liquid chromatography were chosen as the basic methods of analysis. It has been established that the content of the analyzed substances in the studied objects is within the permissible limits. The influence of various methods of culinary processing on the change in concentrated levels of heavy metals in fish and fish products is considered.
Current trends and development of the virtual reality market
Authors:   Department of Applied Informatics, Moscow University for the Humanities, Gavrilova Olga Viktorovna , Bashmakova Elena Ismailovna ,   Department of Applied Informatics, Moscow University for the Humanities, Romanova Elena Vitalievna ,   Department of Informatics, Moscow University for the Humanities
Published: July 2022

The article discusses a brief history of the emergence of virtual reality and the scope of its application, as well as the trends in its development. The volumes of investments in this area are presented. The possibilities of using virtual and augmented reality technologies in the process of teaching at higher educational institutions are analyzed; examples of using these technologies in the educational sphere, as well as their advantages and disadvantages are considered.
Difficulties in effective interaction between citizens and the district municipality
Authors:   Department of Management, Moscow University for the Humanities, Borisenko Vitaliy Pavlovich , Onishchenko Polina Alekseevna ,   Faculty of Economics, Management and International Relations, Moscow University for the Humanities
Published: July 2022

The main directions of interaction between citizens and the municipality are considered. Difficulties that negatively affect the effectiveness of such communication are identified. Proposals to improve the interaction between the municipality bodies and the population are given. It is shown that local self-government is one of the main components of the state structure. Municipal authorities play a significant role, as they are closely connected with the population. It is the citizens who are the main subject of power in a certain territory. They themselves make decisions in matters of local importance, and also have protection in the form of state guarantees.
Comparative Study of Undoped and Nickel-Doped Molybdenum Oxide Photoanodes for PEC Water Splitting
Authors: Garcia-Garcia Matias
Published: July 2022

The current global energy supply depends heavily on fossil fuels. This makes technology such as direct water splitting from harvesting solar energy in photoelectrochemical (PEC) systems potentially attractive due to its a promising route for environmentally benign hydrogen production. In this study, undoped and nickel-doped molybdenum oxide photoanodes (called photoanodes S1 and S2 respectively) were synthesized through electrodeposition by applying −1.377 V vs Ag/AgCl (3 M KCl) for 3 hours on an FTO-coated glass substrate immersed in molibdatecitrate aqueous solutions at pH 9. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy-dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were used for microstructural and compositional characterizations of the photoanodes. In addition, the optical and photoelectrochemical characterizations of these photoanodes were performed by UV-Visible spectroscopy, and linear scanning voltammetry (LSV) respectively. The results showed that all the photoanodes produced exhibit conductivity and catalytic properties that make them attractive for water splitting application in a photoelectrochemical cell. In this context, the photoanode S2 exhibited better photocatalytic activity than the photoanode S1. In addition, photoanode S2 had the lowest optical band-gap energy value (2.58 eV), which would allow better utilization of the solar spectrum.
Stability Tests on Anion Exchange Membrane Water Electrolyzer under On-Off Cycling with Continuous Solution Feeding
Authors: Niaz Atif Khan , Lim Hyung-Tae
Published: July 2022

In this study, the stability of an anion exchange membrane water electrolyzer (AEMWE) cell was evaluated in an on-off cycling operation with respect to an applied electric bias, i.e., a current density of 500 mA cm−2, and an open circuit. The ohmic and polarization resistances of the system were monitored during operation (~800 h) using electrochemical impedance spectra. Specific consideration was given to the ohmic resistance of the cell, especially that of the membrane under on-off cycling conditions, by consistently feeding the cell with KOH solution. Owing to an excess feed solution, a momentary increase in the polarization resistance was observed immediately after the open-circuit. The excess feed solution was mostly recovered by subjecting the cell to the applied electric bias. Stability tests on the AEMWE cell under on-off cycling with continuous feeding even under an open circuit can guarantee long-term stability by avoiding an irreversible increase in ohmic and polarization resistances.
The Use of Abemaciclib in Combination with Aromatase Iinhibitors in Metastatic HR+ HER2/Neu-Negative Breast Cancer
Authors:   District Oncologic Dispensary, Irkutsk, Yukalchuk D.Yu. , Ponomarenko D.M. , Yukalchuk T.N. , Sidorova S.S. , Shevchuk A.V. , Novopashin A.M. , Prokopchuk S.V. , Tepikina G.N.
Published: July 2022

The article presents a clinical case illustrating the effectiveness of abemaciclib in combination with anastrozole in metastatic estrogen receptor-positive HER2/neu-negative breast cancer (BC). CDK4/6 inhibitors have changed the paradigm of treatment of patients with hormone-positive HER2 metastatic BC. Thanks to the ability of palbociclib, ribociclib and abemaciclib to delay and overcome resistance to endocrine therapy, the effectiveness of treatment of patients not only with newly diagnosed disease, but also with endocrine – resistant, and taking into account the independent effectiveness of abemaciclib and chemorefractor BC has increased. The combination of aromatase inhibitors and abemaciclib is associated with an increase in the effectiveness of treatment in the most prognostically unfavorable contingent of patients.
Diagnostic Possibilities of PET/CT with 18F-PSMA in Patients with Suspected Prostate Cancer
Authors:   V.F. Voyno-Yasenetsky Krasnoyarsk State Medical University, Zukov R.A. , Vyazmin V.V. , Chanchikova N.G. ,   A.I. Kryzhanovsky Krasnoyarsk Regional Clinical Oncology Dispensary,   Siberian Scientific and Clinical Center of the FMBA of Russia
Published: July 2022

Relevance. Prostate cancer (PC) is one of the most common malignant neoplasms in men. Every year, about 1.4 million new cases of prostate cancer are diagnosed in the world and 366,000 men die each year from this pathology. Despite the presence of a fairly wide range of diagnostic options in the early diagnosis of prostate cancer, primarily the determination of the level of prostate specific antigen (PSA) in the blood serum and multiparametric magnetic resonance imaging (mpMRI), there remains a group of patients with ambiguous values of the above indicators. The use of positron emission tomography combined with computed tomography (PET/CT) with a tumoritropic radiopharmaceutical drug (RFLP) 18F-PSMA improves the early diagnosis of prostate cancer, which is the key to success for successful treatment, duration and quality of life of the patient. Material and methods. The study included 30 patients with suspected prostate cancer, based on the PSA level in the ʽgray zoneʼ 2–10 ng/ml and Pi-RADS 3 according to the MRI data. All patients underwent PET/CT with 18F-PSMA, with further morphological verification of the process. Results. Out of 30 patients, 7 (23.33%) had positive PET/CT with 18F-PSMA. The diagnostic model obtained during the construction and subsequent analysis of the SUV level ROC-curve showed high values of sensitivity (86%), specificity (100%), diagnostic accuracy (86%) and positive predictive value (100%) of the method (area under ROC-curve (AUC) 0.93), with reference indicators of RFLP accumulation – standardized uptake value (SUV) 2.5. The negative predictive value was 27%. Conclusion. Our study confirmed the high diagnostic accuracy of PET/CT with 18F-PSMA in the differential diagnosis of a tumor process in the prostate gland, with a reference indicator SUV > 2.5. We recommend 18F-PSMA PET/CT in patients with suspected PCa who have ambiguous PSA (2-10 ng/mL) and mpMRI (Pi-RADS 3) findings.
Efficacy and Safety Evaluation of Gastrokur Dietary Supplement in Combination with Pantoprazole in Patients with Helicobacter pylori
Authors:   A.S. Loginov Moscow Clinical Scientific Center, Bordin D.S. , Voynovan I.N. ,   A.I. Yevdokimov Moscow State University of Medicine and Dentistry,   Tver State Medical University
Published: July 2022

The results of a clinical study of the efficacy and safety of taking a dietary supplement Gastrokur in combination with pantoprazole in patients with Helicobacter pylori are presented. Material and methods. 10 patients with H. pylori infection confirmed according to 13C-urease respiratory test for four weeks received the dietary supplement Gastrokur two capsules three times a day in combination with pantoprazole 40 mg once a day. A special condition was the compliance with Gastrokur temperature regime of storage from +40 to +100 С. The efficacy of eradication was evaluated using a 13C urease breath test 30 days after completion of treatment. Results. H. pylori eradication was achieved in two out of 10 (20%) patients according to the ITT criterion and in two out of nine (22.2%) patients according to the PP criterion. By the 14th day of therapy, 80% of patients had completely stopped symptoms of dyspepsia with the effect remaining for a month after the end of therapy. During the first two weeks of therapy, three patients had bloating, five had mushy stools no more than three times a day. These phenomena were not pronounced and did not require interruption of treatment. One patient dropped out of the study due to an exacerbation of pink lichen on the 21st day of therapy, which independently passed two days after discontinuation of treatment. Conclusion. A course of therapy with a biologically active food supplement Gastrokur in combination with pantoprazole led to the eradication of H. pylori in 20%. Against the background of therapy, a good positive clinical dynamics was observed. No serious adverse events have been reported, with the exception of an exacerbation of pink lichen in one patient.
Structure and Ways of Strengthening Human Psychological Resources in Stress Situation
Authors:   A.S. Loginov Moscow Clinical Scientific Center, Firsova L.D.
Published: July 2022

The negative impact of chronic stress on the development, treatment and prognosis of gastroenterological diseases is beyond doubt. In recent years, much attention has been paid to the mental state of the doctors themselves, as a result, such a category as professional burnout syndrome is generally recognized. One of the best ways out of stressful situations is to activate the psychological resource of a person. The lecture gives a definition of a psychological resource with a detailed description of its components, special attention is paid to the issues of its strengthening in a situation of chronic stress. The issues discussed are significant for gastroenterologists both in terms of communication with patients and in terms of regulating their own mental state.
Modern Approaches to the Diagnosis and Therapy of Reactive Arthritis
Authors:   V.A. Nasonova Research Institute of Rheumatology, Belov B.S. , Muravyova N.V. , Erdes Sh.F.
Published: July 2022

Currently, the problem of reactive arthritis (ReA) remains important. This is due to the sufficiently high prevalence of the disease. The analysis of epidemiological data allows us to put forward a number of possible reasons explaining the different frequency of ReA in certain regions of the Russian Federation and in other countries. The article details the clinical picture of the disease, analyzes the significance of various laboratory techniques aimed at identifying the causative agent of ReA. The main approaches to the therapy of ReA, including the use of antimicrobial drugs, are described.
Interleukin 6 Receptor Inhibitor Levilimab in the Treatment of Rheumatoid Arthritis
Authors:   Moscow Regional Research and Clinical Institute, Karateev D.E. , Luchikhina E.L.
Published: July 2022

The inhibitors of the biological effects of interleukin 6 (IL-6) are the most actively developing group of biologics for the treatment of rheumatoid arthritis (RA) due to pleiotropic effects of this most important pro-inflammatory cytokine, which stimulates a number of processes that play an important role in the pathogenesis of RA. IL-6 receptor (IL-6R) is of great importance in the implementation of these biological effects. Activation of IL-6R occurs with the participation of the glycoprotein gp130 in three variants: classical, and in trans-signaling and trans-presentation modes. The most recent representative of this group is levilimab, an IgG1 monoclonal antibody to IL-6R that binds both soluble and membrane forms of the receptor. The efficacy and safety of levilimab has been demonstrated in the Phase II AURORA and Phase III SOLAR trials. The paper presents the main statements of the resolution of the regional expert council of rheumatologists of Moscow and the Moscow Region on the topic: ‘The place of a new IL-6R inhibitor levilimab in the treatment of patients with rheumatoid arthritis’, which took place on December 18, 2021 in Moscow. The panel of experts confirmed that levilimab is recommended for widespread use in patients with active RA who fail or are intolerant to traditional synthetic DMARDs.
PENGELOLAAN GOOGLE CLASSROOM OLEH SEKOLAH SEBAGAI PLATFORM PEMBELAJARAN DARING DI MTS DARUL HIKMAH PEKANBARU
Authors:   Universitas Riau, Elmuti’ah Rafika , Nurzakiah Nurzakiah , Zulhelmi Zulhelmi
Published: July 2022

Penelitian pengelolaan Google Classroom oleh sekolah sebagai platform pembelajaran daring di MTs Darul Hikmah Pekanbaru dilaksanakan karena peneliti ingin melihat kegiatan pembelajaran yang dilakukan secara daring pada masa pandemik Covid-19. Sekolah membutuhkan platform belajar yang cocok dan terkontrol untuk kegiatan pembelajaran, yang dalam hal ini MTs Darul Hikmah menggunakan Google Classroom sebagai platform pembelajarannya. Tujuan penelitian ini adalah untuk mengetahui cara pengelolaan Google Classroom oleh sekolah beserta kelebihan dan kekurangan pengelolaan Google Classroom oleh pihak sekolah di MTs Darul Hikmah Pekanbaru. Penelitian dilaksanakan secara deskriptif melalui kegiatan observasi dan wawancara pada tanggal 13 Juli hingga 18 Agustus 2020. Dari penelitian ini didapat langkah-langkah pengelolaan Google Classroom dimulai dari mengirimkan izin ke Google, memasukkan guru dan siswa ke Google Classroom, membuat topik, dan melaksanakan kegiatan pembelajaran. Meskipun pengelolaan Google Classroom oleh sekolah ini guru hanya dapat mengunggah materi di saat jam pelajaran dan siswa membutuhkan waktu untuk mencari materi pembelajaran di topik tertentu, pengelolaan Google Classroom oleh sekolah dapat memudahkan pihak sekolah untuk mengontrol kegiatan belajar mengajar, guru juga tidak perlu lagi mengirimkan bukti kehadiran kelas daring dan siswa juga hanya perlu masuk ke satu kelas saja.
KEMAMPUAN GURU MENGGUNAKAN TEKNOLOGI INFORMASI DAN KOMUNIKASI SELAMA PEMBELAJARAN DARING DI TK NEGERI PEMBINA SABAK AUH
Authors:   Universitas Riau, Puspitasari Enda , Sari Nofita , Wulan Dari Sri , Mayasari Silvi
Published: July 2022

Penelitian ini bertujuan untuk menggambarkan kemampuan guru menggunakan teknologi informasi dan komunikasi selama pembelajaran daring di TK negeri pembina Sabak Auh. Dalam menggunakan teknologi informasi dan komunikasi (TIK) yang dilakukan di TK negeri pembina Sabak Auh selama pembelajaran daring oleh guru yaitu untuk mengetahui kemampuan guru menggunakan teknologi informasi dan komunikasi selama pembelajaran daring. Dengan memanfaatkan teknologi informasi dan komunikasi (TIK) dapat menciptakan ide-ide yang kreatif, membuka wawasan dan lebih efisien untuk terciptanya pembelajaran yang maksimal. Informasi yang didapat juga dapat sebagai referensi guru dalam membuat media selama pembelajaran daring melalui kegiatan pengabdian yang dilakukan peneliti. Teknik analisis data yang digunakan yaitu deskriptif kualitatif, sumber data yang digunakan yaitu data primer yaitu secara lansung dan teknik pengumpulan data menggunakan observasi dan dokumentasi yang dilaksanakan di TK Negeri pembina Sabak Auh pada pertengahan Juli sampai pertengahan Agustus. Dari segi kemampuan guru menggunakan teknologi informasi dan komunikasi (TIK) selama proses pembelajaran daring yaitu saat membuat video, berkomunikasi via hp, membuat folder, membuat penilaian, memindahkan dokumen, dan lain-lain. Akan tetapi dalam proses pembelajaran selama daring ini, juga memiliki hambatan yang terjadi yaitu sulitnya mengkondisikan peserta didik pada saat memberikan kegiatan melalui video, peserta didik belum memiliki kesiapan yang matang dalam pembelajaran daring, dan kesulitan wali murid saat berkomunikasi kepada guru melalu via hp selama pembelajaran daring.
PENERAPAN PEMBELAJARAN SECARA OFFLINE DI TENGAH PANDEMI COVID -19 DI SMP BABUSSALAM PEKANBARU
Authors:   Universitas Riau, Zakky Juneid Adiella , Farhani Isty Miftahul , Syafrizal Syafrizal , Zulhelmi Zulhelmi , Syaflita Dina
Published: July 2022

The Covid-19 outbreak has hampered all human activities, one of which is in learning activities. The Covid-19 outbreak that has lasted for a long time has forced the government to make a new policy, namely the new normal policy. This policy causes people to be able to do activities outside their homes but still maintain a distance, wear masks and always wash their hands. Even so, many schools continue to apply bold learning to prevent the transmission of Covid-19. However, the Pekanbaru Babussalam Middle School starting from the odd semester of 2020/2021 applies offline or face-to-face learning. This research is qualitative in nature to see the effectiveness of offline learning that takes place at Babussalam Junior High School Pekanbaru. Learning at the Pekanbaru Babussalam Middle School is carried out through several stages with the aim of not spreading COVID-19. The results of this study showed that the application of offline learning at Babussalam Junior High School Pekanbaru in the midst of the COVID-19 pandemic went well.
PENGARUH GAYA KEPEMIMPINAN DISTRIBUTIF DAN KEPEMIMPINAN KONSULTATIF TERHADAP ETOS KERJA GURU DAN TENAGA KEPENDIDIKAN DI SMAN 10 PANGKEP
Authors:   Universitas Pelita Harapan, Adsan Mashuri , Yunus Muh , Fahreza W Muhammad
Published: July 2022

This study aims to determine and analyze: 1) the influence of the distributive leadership style on the work ethic of teachers and education personnel at SMAN 10 Pangkep, (2) the influence of the consultative leadership style on the work ethic of teachers and education personnel at SMAN 10 Pangkep, (3) the influence of leadership styles distributive and consultative leadership on the work ethic of teachers and education personnel at SMAN 10 Pangkep. This type of research is quantitative research. This research was conducted at SMAN 10 Pangkep. The population in this study were teachers and education personnel with a total of 55 respondents. The data analysis technique used is descriptive analysis and multiple linear regression test. The results showed (1) distributive leadership style had a significant effect on the work ethic of teachers and education personnel at SMAN 10 Pangkep, (2) consultative leadership style had a significant effect on the work ethic of teachers and education personnel at SMAN 10 Pangkep, (3) distributive leadership and leadership. simultaneously have a significant effect on the work ethic of teachers and education personnel in SMA 10 Pangkep. The contribution of the influence of the distributive leadership and consultative leadership variables was 20.3% and the remaining 79.7% showed the influence of other variables that were not evaluated in this study.
PENGARUH KEPEMIMPINAN KEPALA SEKOLAH DAN BUDAYA ORGANISASI TERHADAP DISIPLIN GURU SEKOLAH DASAR DI KECAMATAN SINABOI KABUPATEN ROKAN HILIR
Authors:   Universitas Riau, Nuzulina Nuzulina , Azhar Azhar , Burhanuddin Dudung
Published: July 2022

This research is motivated by phenomena such as some teachers who enter class not on time, some teachers do not fulfill teaching hours, some teachers leave their assignments during working hours, some teachers are late in making the realization of the work program that has been implemented. set. This study aims to analyze the contribution of two independent variables, namely the principal's leadership and organizational culture, and the dependent variable is teacher discipline at SDN Sinaboi District, Rokan Hilir Regency. To obtain the data needed, the writer uses descriptive statistical analysis techniques and inferential analysis. Based on the results of this study, it can be seen that 1) There is a significant and positive influence between the principal's leadership on teacher discipline at SDN Sinaboi District, Rokan Hilir Regency. This means that the better the principal's leadership, the better the teacher's discipline in carrying out their duties. 2) There is a significant and positive influence between organizational culture on teacher discipline at SDN Sinaboi District, Rokan Hilir Regency. This means that teacher discipline can be improved through a conducive organizational culture. 3) There is a joint influence of the principal's leadership and organizational culture on teacher discipline at SDN Sinaboi District, Rokan Hilir Regency. Principal leadership and organizational culture significantly determine and contribute to teacher discipline.
PERAN KEPEMIMPINAN TRANSFORMASIONAL TERHADAP PENGEMBANGAN INNOVASI DAN BUDAYA KERJA DALAM ORGANISASI PENDIDIKAN
Authors: Tri mahayana Dewa Komang , Hidayat Dylmoon
Published: July 2022

Developing a quality culture in educational institutions can be achieved by developing educational innovation, extracurricular, cultural innovations, student personality traits, as well as academic and non-academic achievement development programs (School Engagement). The implementation of school quality development culture program encountered several obstacles including the lack of understanding of how to implement the 2013 curriculum. The application of the principles of transformational leadership and continuous mentoring to teachers in class assignments and responsibilities is a possible solution. The approach taken by the principal through the management approach is as follows: First, the planning phase which sets quality goals and communicates these goals to the school community. Second, the organizational stage by establishing an organizational structure, determining the main tasks and assigning or delegating tasks of authority. Third, the leadership phase consists of teacher training, assisting teachers and staff, observing teachers during learning, motivating, discussing results, focusing on quality goals, and following up. Fourth, the stage of monitoring and evaluating ongoing school programs. In addition, the results of this paper will describe the impact of transformational leadership on the development of innovation and work culture in leadership education. The writing of this article comes from scientific sources such as books and articles that have been checked for authenticity.
KONTRIBUSI SUPERVISI AKADEMIK DAN EFIKASI DIRI SECARA BERSAMA-SAMA TERHADAP ETOS KERJA GURU SMP KECAMATAN BAGAN SINEMBAH ROKAN HILIR
Authors:   Universitas Riau, Azizah Metri , Ayub Daeng , Sumarno Sumarno
Published: July 2022

This study aims to determine and analyze 1) the contribution of academic supervision to the work ethic of junior high school teachers in Bagan Sinembah District, Rokan Hilir; 2) the contribution of self-efficacy to the work ethic of junior high school teachers in Bagan Sinembah District, Rokan Hilir; 3) the contribution of academic supervision and self-efficacy to the work ethic of middle school teachers in Bagan Sinembah District, Rokan Hilir. This research is quantitative with the type of explanatory research. The population is 105 people with the sample in this study being 116 junior high school teachers in Bagan Sinembah District, Rokan Hilir. Data collection in this research is by using a questionnaire technique. The data analysis technique used in this research is descriptive statistical analysis and inferential statistical analysis using Microsoft Excel and SPSS version 23 for Windows. The results of this study indicate that (1) There is a significant and positive contribution between the variables of academic supervision on the work ethic of junior high school teachers in Bagan Sinembah District, Rokan Hilir, with a low interpretation. (2) A significant and positive contribution was found between self-efficacy on the work ethic of SMP teachers in Bagan Sinembah Subdistrict, Rokan Hilir, with a low interpretation. (3) A significant and positive contribution was found between the variables of academic supervision and self-efficacy on the work ethic of the subdistrict junior high school teacher. Sinembah chart, Rokan Hilir, with a low interpretatio.
PARTISIPASI PEMUKA MASYARAKAT DALAM PENGELOLAAN PERPUSTAKAAN DESA
Authors:   Universitas Riau, Ayub Daeng , Yulisman Anindita , Jais Muhammad
Published: July 2022

Community participation in development in the village also determines the strength of an existing program, and determines the success of a program, including the establishment of village infrastructure. The Village Library is an important point that needs to be taken seriously in its establishment, use and even in its management. The entire process can be carried out by the community, one of which is library management. In its management, the village library requires the participation of the community. This community in question is the community leaders in the village. Parties from the village government took part in the establishment of the village library in Segati Village. In the management of the village library, the involvement of community leaders is impossible if it does not exist, which community leaders in this village are very accepting and have hope in the infrastructure of this village. With the strength of community leaders, there is a great hope in the management of this village library. This research was conducted with the aim of knowing and describing the participation of community leaders in the management of village libraries in Desa Segati Kecamatan Langgam Kabupaten Pelalawan. The method in this research is descriptive research with a qualitative approach. The object of the research is participation, community leaders, and village libraries and the research subjects are community leaders, totaling 4 (four) people. Participation in ideas and social participation which is given as a closeness of heart is the participation that is most often carried out by community leaders. This is because participation is a very easy, flexible and timeless form of participation. In addition, labor participation, skill participation is participation carried out by community leaders but still has limited time and opportunities due to differences in work and opportunities from each community leader in Desa Segati Kecamatan Langgam Kabupaten Pelalawan. Meanwhile, property participation has been carried out by several community leaders indirectly.
MANAJEMEN KESIAPAN GURU DALAM MENINGKATKAN AKTIVITAS BELAJAR DARING SISWA DENGAN MENGGUNAK MODEL PEMBELAJARAN DI MASA PANDEMIK COVID-19
Authors:   Universitas Negeri Padang, Hidayati Hidayati , Giatman Muhammad , Ernawati Ernawati
Published: July 2022

This study aims to manage online learning in increasing activities student learning during the covid-19 pandemic for the future, especially in the long term like what we are facing right now with Corona Virus Disease-19 (COVID-19) which doesn't exist yet stop. Through analyzing online learning activity questionnaires through the opinion of an educator or the teacher's point of view with the research sample being 45 teachers who teach at the State Vocational High School in the city of Padang. The instrument used is a questionnaire distributed online using the ms.form link. Based on the data obtained,shows that the implementation of online learning has been carried out effectively seen from the teacher learning model readiness activity. From the results obtained, the teacher's readiness in addressing online learning using a learning model, namely 50% of teachers stated very ready, 20% said they agreed, 10% said they were not ready, 15% said they were not ready and 5% stated when they were not ready to process online learning models, with good results found from the management of educator readiness in online learning in the future can anticipated to be more effective by looking at the deficiencies and obstacles found in the field through this research.
PENGARUH DISIPLIN KERJA GURU DAN LOYALITAS GURU TERHADAP KOMITMEN GURU SEKOLAH DASAR NEGERI DI KECAMATAN TANJUNG MEDAN KABUPATEN ROKAN HILIR
Authors:   Universitas Riau, Suprapto Suprapto , Azhar Azhar , Sumarno Sumarno
Published: July 2022

This study aims to determine the effect of variables (1) teacher work discipline on teacher commitment, (2) teacher loyalty to teacher commitment, (3) teacher work discipline and teacher work discipline and teacher loyalty together with teacher commitment. The research respondents were State Elementary School teachers in Tanjung Medan District, Rokan Hilir Regency, totaling 118 people with a sample of 91. The data was collected through questionnaires as a research instrument. The data analysis used is descriptive analysis and inferential statistical analysis. The instrument reliability coefficient was calculated using the Cronbach alpha formula. The results showed that there was a positive and significant effect of teacher work discipline on teacher commitment of 0.470, and there was a positive and significant effect of teacher loyalty on teacher commitment of 0.555. Meanwhile, together there is an effect of teacher discipline and teacher loyalty on teacher commitment of 0.477.
ANALISIS IMPLEMENTASI SIKAP DALAM KURIKULUM 2013 PADA PEMBELAJARAN BIOLOGI DI SMA
Authors: Anggraeni Ika , Gusti Rahmi Ennike , Sefrinal Sefrinal
Published: July 2022

The main objective of the 2013 Curriculum is the formation of student character. The character of students is inseparable from the development of students' attitudes themselves. The development and formation of student attitudes can be done through direct learning and indirect learning. This study aims to look at the content of attitudes in lesson plans and the implementation of attitudes in biology learning. The research method used in this research is descriptive method. The research sample was determined by purposive sampling technique. Data were obtained through documentation studies, learning observations, and student statement questionnaires. This research was conducted at the Piloting High School Curriculum 2013 Cluster three in the city of Bandung. The results showed that in general the content of attitude competence in the lesson plan was 48.21% with the less category. The low content of attitudes in the lesson plans and their implementation has implications for the formation of student attitudes in learning, as seen from the 18 attitudes observed, only five attitudes became student habits. It is feared that this situation will hinder the achievement of the objectives of implementing the 2013 Curriculum and the goals of national education to shape the character of students.
PENERAPAN MEDIA PETA KONSEP OLEH GURU PPKn PADA MATA PELAJARAN PPKn UNTUK MENINGKATKAN PEMAHAMAN SISWA DIKELAS X IPS 3 SMAN 1 BUKITTINGGI.
Authors: Putri Tama Syafreni , Sari Nila
Published: July 2022

The purpose of this research is to describe the application of concept maps in SMAN1 Bukittinggi, to identify the effectiveness of the application of concept map media in PPKn learning at SMAN 1 Bukittinggi, and to find out the consequences of using concept map media in improving students' understanding.This type of research is a qualitative descriptive research method in this research, because it corresponds to the nature of the problem as well as the objectives that want to be obtained from its research. Qualitative properties that have in this study require the author to jump directly into the field in finding data or information through observations, interviews, documentation studies. The informants in this study were students, PPKN teachers,Research shows that. (1) The application of concept map media is a medium that supports the effectiveness of pbm itself both teachers and siawa both benefit by using this concept map media.(2) The effectiveness of the application of concept map media in PPKn learning is very effective and able to improve students' understanding because students not only memorize but also understand the material.(3).the consequence of applying the concept map in improving students' understanding in PPKn learning is that there are positive and negative impacts
PERILAKU SCHOOL BULLYING DI SDN 13 PELANGAI KACIAK KECAMATAN RANAH PESISIR KABUPATEN PESISIR SELATAN
Authors:   STKIP Pesisir Selatan, Mayeni Riska , Nazamai Ekaputri Yanti , Efendi Efendi , Simponi Maijem , Sefrinal Sefrinal
Published: July 2022

This study aims to identify school bullying behavior in 13 PelangaiKaciak State Elementary Schools, Pesisir Districts, Pessel Districts. The initial research subjects were all teachers and students at SD 13 Pelangaikaciak.. The research location is in the Elementary School 13 PelangaiKaciak, using a qualitative approach. The data collection method used non-participatory observation, in-depth interviews, documentation and field notes. The data analysis technique used is data collection, data reduction, data presentation and conclusion drawing. Based on the results of the study, it can be concluded that school bullying occurred at the State Elementary School 13 PelangaiKaciak with the following results. (1) teachers' lack of knowledge about school bullying, as well as the opinion of teachers who say that delinquency in their schools is still normal; (2) the reaction shown by the victim is silence, fear or crying; the perpetrator shows indifferent and happy behavior; while the audience shows a reaction, fights the perpetrator, defends the perpetrator or is silent; (3) the forms of school bullying that occur are physical (hitting with a broom handle, hitting with hands, pushing) and non-physical (verbal: threatening, forcing, shouting, teasing; direct non-verbal: yelling, scolding, ordering, pointing). with the fingers; non-verbal indirect: exclusion).
KEMAMPUAN BERBICARA BAHASA INGGRIS SISWA DALAM BERCERITA KEGIATAN SEHARI-HARI DI SMPN 1 RANAH PESISIR
Authors:   STKIP Pesisir Selatan, Melshandika Yola , Riani Dian , Handayani Revi , Wiwita Risma , Abdul Hasan Taufik
Published: July 2022

The aim of this study was to describe the speaking ability of the first grade students at SMPN 1 Pesisir in telling their daily activities. The design of this study was descriptive method. Cluster random sampling was used to select the sample. The total number of sample was 62 students’. The data were collected through speaking test. The data was measured by considering five components of speaking. Based on the findings of this study, students speaking ability were low. The findings were proved by the evidence that 85.49% of them cannot tell their daily activities orally. Based on the findings, this study was suggested for English teachers to consider the five components of speaking when measuring students’ speaking ability and English teachers were suggested to provide more practices for those components of speaking. The students were suggested to do more practices and improve their comprehension about material especially in speaking.
PERANCANGAN SISTEM INFORMASI PERPUSTAKAAN PADA SLBN 1 LINGGO SARI BAGANTI MENGGUNAKAN BAHASA PEMOGRAMAN VISUALBASIC 2010 DAN DIDUKUNG DATABASE MYSQL
Authors:   STKIP Pesisir Selatan, Vratiwi Septiana , Dwi Rahayu ntan , Mayeni Riska , Jamin Antoni , Wiwita Risma
Published: July 2022

The library is a center of knowledge that must be managed properly and correctly in an educational institution. SLBN 1 Linggo Sari Baganti is a school where all kinds of activities get more attention from the government, one of which is through the library. various assistance, facilities and infrastructure in the form of a collection of books are always provided. However, the operation of the library at SLBN 1 Linggo Sari Baganti is currently still managed in a conventional way. Starting from the data collection process to borrowing books is still done manually. Causing activities to be slow, inefficient and errors tend to be repeated frequently. So the Design of a Library Information System at SLBN 1 Linggo Sari Baganti Using Visual Basic 2010 Programming Language and Supported by Mysql Database is the right solution to overcome these problems. The results of the evaluation of the library system that has been designed show that the library system has features of computerized automation of data processing, transactions and the creation of important reports that have made it easier for librarians to manage the library.
PENGARUH TEKNOLOGI DALAM MENINGKATKAN DUNIA PENDIDIKAN
Authors:   STKIP Pesisir Selatan, Dwi Rahayu Intan , Vratitiwi Septiana , Melshandika Yola , Hardewiyani Titik , Ramadhani Ramadhani
Published: July 2022

The development of technology in the world of education has produced many new innovations to support the learning process. One of them is the increasing number of variations of learning media thanks to increasingly rapid technological developments. In the world of education, a shift has been felt, and even a fundamental change at the level of philosophy, direction and purpose. It is no exaggeration to say that scientific progress was triggered by the birth of computer technology. One of the most prominent characteristics of this era is the increasingly interconnected world of science, so that the relationship between them becomes faster. In the context of the use of information and communication technology in the world of education, it has been proven that the "space and time" factor has become increasingly narrow and fused, which has been the determining aspect of the speed and success of human knowledge mastery.
SOLAR IRRADIANCE PREDICTION USING BAGGING DECISION TREE-BASED MACHINE LEARNING
Authors: TOYLAN Hayrettin
Published: July 2022

Solar energy is one of the most widely used renewable energy sources to generate electricity. However, the amount of solar radiation reaching the earth's surface is variable, creating uncertainty in the output of electrical power generation systems that use this source. Therefore, solar irradiance prediction becomes a critical process in planning. This study presents a short-term prediction of solar irradiance using bagging decision tree-based machine learning. As the inputs of the proposed method, air temperature, hour, day, month, and previous solar irradiance values were determined. The performance of the proposed method is tested on the measured data. The R2 and RMSE values are 0.87 and 91.282, respectively, according to the results obtained. As a result, it has been revealed that the varying solar irradiance can be predicted with acceptable differences with this method.
Applicability of Grounded Theory Methodology in International Relations Studies
Authors: Jafar Faies
Published: July 2022

Abstract: Engaging the Grounded Theory Methodology (GTM) in International Relation (IR) studies can be a challenging choice for researchers and Ph.D. students. Considering that scholars in the IR field are familiar with certain traditional methodologies, the notion of importing a relatively unique approach such as the GTM can attract strong ontological and epistemological questions. In this article, I contend that pragmatist and constructivist versions of GTM can be a successful research methodology in IR qualitative research. Such choice, however, is constrained by a set of conditions. Guided by existing literature, these conditions were identified and discussed in the context of IR qualitative research norms and then applied in Foreign Policy (FP) decision-making process, a well-known approach in studying FP as a subdiscipline in IR. The article concludes that despite certain limitations, the methodology can be an outstanding option for IR qualitative research.
Mathematical modelling for the transmission dynamics of Rift Valley fever virus with human host
Authors: Oguntolu Festus Abiodun , Yavalah Deborah W. , Udom Collins F. , Peter Olumuyiwa James , Oshinubi Kayode
Published: July 2022

Rift Valley Fever (RVF) is a viral zoonosis spread primarily by mosquitos that primarily affects livestock but has the potential to affect humans. Because of its potential to spread quickly and become an epidemic, it has become a public concern. In this article, the transmission dynamics of RVF with mosquito, livestock and human host using a compartmental model is studied and analyzed. The basic reproduction number R0 is computed using next generation matrix and the disease-free equilibrium state is found to be locally asymptotically stable if R0 1 which implies that rift valley fever could be put under control in a population where the reproduction number is less than 1. The numerical simulations give insightful results to further explore the dynamics of the disease based on the effect of three interventions; efficacy of vaccination, culling of livestock and trapping of mosquitoes introduced in the model.