bluuebunny/crossref_metadata_2025 huggingface dataset:
Polycyclic Aromatic Hydrocarbons in the Bottom Sediments of the River – Sea Mixing Zone on the Example of the River Chernaya and the Sevastopol Bay (the Black Sea)
Authors: Soloveva O. V. ,   A. O. Kovalevsky Institute of Biology of the Southern Seas, Russian Academy of Sciences, Sevastopol, Russia, Tikhonova E. A. ,   A. O. Kovalevsky Institute of Biology of the Southern Seas, Russian Academy of Sciences, Sevastopol, Russia, Mironov O. A. ,   A. O. Kovalevsky Institute of Biology of the Southern Seas, Russian Academy of Sciences, Sevastopol, Russia, Barabashin T. O. ,   Azov-Black Sea branch of "VNIRO" ("AzNIIRKH"), Rostov-on-Don, Russia
Published: June 2021

Purpose. The study is aimed at determining concentrations of the polycyclic aromatic hydrocarbons (PAHs) and at revealing their pattern distribution in the bottom sediments of the "river – sea" contact zone on the example of the Sevastopol Bay and the river Chernaya. Methods and Results. Granulometric composition of the bottom sediments was determined by the decantation and dispersion method. Identification and quantitative determination of PAHs were carried out by the high performance liquid chromatography method. The total PAHs content in the bottom sediments of the area under study varied from 12 to 670 ng/g of dry weight. The pollutant content was minimum in the river site beyond the geochemical barrier. In the area where the river Chernaya flows into the Sevastopol Bay, the PAHs content was 121 ng/g. The highest PAHs content was revealed in the Sevastopol Bay bottom sediments, more precisely, in 1.5 km southwest of the river Chernaya flowing into the bay. 14 PAHs were identified in the estuary zone of the river, 4 of them (naphthalene, 2-methylnaphthalene, fluorene, anthracene) were in the trace amounts. The maximum concentration (99%) of silty material was observed in the Sevastopol Bay water area. The silt fractions were distributed as follows: 20% – aleuritic-pelite fraction, 79% – pelitic-aleurite fraction. Directly in the area of the river inflow into the bay, accumulation of the sand fraction (7%) and the maximum portion of pelitic silts were noted. Conclusions. The recorded values of PAHs corresponded to the natural non-toxic levels. PAHs identified in the bottom sediments of the river estuary zone are of the mixed, predominantly petrogenic origin. The obtained data show that in the conditions of the "river – sea" contact zone, the PAHs accumulation in general and their individual fractions were governed mainly by presence of silt in the bottom sediments
Spectral Contrasts of Short Wind Waves in Artificial Slicks from the Sea Surface Photographs
Authors: Dulov V. A. ,   Marine Hydrophysical Institute, Russian Academy of Sciences, Sevastopol, Russian Federation, Yurovskaya M. V. ,   Marine Hydrophysical Institute, Russian Academy of Sciences, Sevastopol, Russian Federation
Published: June 2021

Purpose. The aim of the work is to evaluate the contrasts between the two-dimensional spectra of the short wind waves on a clean sea surface and on the surface covered by a thin film of vegetable oil. The contrast angular dependence, which is still not understood, is of particular interest. The study is intended to widen the base of empirical notions of wave suppression on the surfactant films in field conditions. Its results may be useful both for theoretical modeling the short wind wave spectra, and for developing the methods for remote monitoring of the ocean. Method and Results. The contrasts were assessed by analyzing the sea surface photographs taken from the Platform of the Black Sea hydrophisical subsatellite polygon (Katsiveli) during the specialized experiments aimed at obtaining artificial slicks using vegetable oil spills. The applied in the study simple method for estimating the contrasts is based on the assumptions of a linear relationship between the brightness and the sea surface slope, and of the invariability of the brightness – slope transfer function at transition from a clean sea surface to a slick. In contrast to the previously applied methods, this approach makes it possible to obtain the contrasts varying both in wavenumber and direction. Obtaining the estimates of the shortest wave characteristics usually constitutes the utmost technical difficulty. In the work, the spectral contrasts are evaluated for the wind waves whose lengths are from ~ 20 to ~ 1 cm. Conclusions. At moderate wind speeds (6–8 m/s), the obtained contrasts increase monotonically with the wavenumber up to the values ~ 10. Under calm conditions (wind speed 0.5 m/s), the spectral contrast maximum (~ 30–50) is observed at the wavenumber peak ~ 100 rad/m that is qualitatively confirmed by the estimates from a string wave gauge. These results are consistent with the previous measurements performed by the other authors. The two-dimensional contrast distributions are anisotropic with the maximum in the direction perpendicular to the wind one. At moderate winds, the anisotropy increases with growth of a wavenumber.
Fantasmas do Levante Cabano: entre o heroísmo do sujeito revoltado e a ira das multidões sediciosas
Authors: Lage Leandro Rodrigues , França Julia Mota
Published: June 2021

O objetivo deste artigo é investigar as dimensões estéticas e políticas das imagens alusivas ao levante histórico da Cabanagem (1835-1840), tensionando seu trabalho de dar forma visual ao tempo histórico daquela revolta e sua capacidade de desvelar a sobrevivência de gestos e afetos de resistência política dos povos amazônicos. A argumentação se inicia pelas premissas relativas à historicidade da Cabanagem como a única revolta popular do período regencial que efetivamente conseguiu a tomada do poder. Em seguida, exploramos uma antropologia política das imagens à luz das perspectivas de Georges Didi-Huberman e Aby Warburg, buscando entender o papel das imagens nos conflitos políticos dessa natureza, reconhecendo-as como repositórios de uma história visual e também dos desejos sobreviventes, da dimensão sensível subjacente à dinâmica das sublevações. Por fim, analisamos, em certa iconografia da Cabanagem, as figurações do heroísmo do homem revoltado e da ira das massas sanguinárias como elementos estético-expressivos (im)próprios dessas imagens. Palavras-chave: Levantes. Cabanagem. Imagem. Ghosts of the Cabanagem uprising: between the heroism of revolted and the wrath of the seditious crowds Abstract: The aim of this article is to investigate the aesthetic and political dimensions of images alluding the historical uprising of the Cabanagem (1835-1840), tensioning its work to shape visual form to the historical time of that revolt and its ability to unveil the survival of gestures and affections of political resistance of the Amazonian peoples. The argument begins with the premises related to historicity of the Cabanagem as the only popular uprising of the regency period that effectively managed to reach power. Then, we explored a political anthropology of images in the light of the perspectives of Georges Didi-Huberman and Aby Warburg, seeking to understand the role of the images in political conflicts of this nature, recognizing them as repositories of a visual history and also of the surviving desires, of the sensible dimension underlying the dynamics of the uprisings. Finally, we analyzed, in a certain iconography of the Cabanagem, the figurations of the revolted man's heroism and the wrath of the seditious crowds as aesthetic-expressive elements (im)proper to these images.Keywords: Uprising. Cabanagem. Image.
La Fotografía de Ana Álvarez-Errecalde: el reciclaje de las formas en la construcción de sentido e identidad
Authors: Imbaquingo María Isabel , Aulestia Carlos Hugo
Published: June 2021

El presente texto explora la obra visual de la artista contemporánea argentina Ana Álvarez-Errecalde en la que se opera una estrategia de transgresión de las representaciones aceptables, según los regímenes de comprensión del arte dominante. El trabajo de esta autora pretende exhibir ante los receptores ciertas representaciones de los femenino y la maternidad, que en un marco estrictamente estético serían deslegitimadas o desacreditadas como un discurso de reivindicación política.Para interpretar de manera pertinente este trabajo es necesario explorar las reflexiones  de Jacques Rancière sobre los vínculos entre los regímenes de comprensión de lo estético, de naturaleza excluyente, y la noción de política, que busca la igualdad en la producción y recepción del arte. Además, se examinan los conceptos propuestos por Nicolas Bourriaud como la reapropiación de las formas y la continuidad del relato en la categoría de postproducción.Como resultado de esta exploración, en las propuestas fotográficas analizadas ‘Tres gracias sangrantes’ y ‘Anunciación’, la artista consigue generar un espacio común para mostrar la trascendencia política en los fenómenos estéticos y por tanto generar un nuevo reparto de lo sensible, en palabras de Rancière. Palabras clave: repartición de lo sensible; regímenes de lo estético, imagen fotográfica; postproducción; cuerpo.  Ana Alvarez-Errecalde’s photography: the building of sense and identity thru recycling of shapes Abstract: This text explores the visual work of the Argentine contemporary artist Ana Alvarez-Errecalde, in which a strategy of transgression of acceptable representations is used, according to the systems of understanding of the predominant art. The work of this author is intended to exhibit to the viewers, certain representations of feminine and motherhood, which under a strictly aesthetic framework, would be discredited as a discourse of political vindication. In order to understand this work in an appropriate way, it is necessary to explore Jacques Rancière's reflections about the links between the selective nature of the systems of understanding the aesthetic and the political notion, which seeks equality in the production and public reception of art. In addition, we will examine the concepts proposed by Nicolas Bourriaud, such as the art of appropriation and the production of different story lines and alternative narratives in post-production notion.As a result of this arrangement, in the photographic proposals analyzed 'Three bleeding graces' and 'Annunciation', the artist manages to generate a common space to show political significance in aesthetic phenomena and, therefore, in the words of Rancière, create a new sensitive arrangement.Keywords: distribution of the sensible; esthetic regime; photographic image; postproduction; body.
Methodological quality of a meta-analysis precedes its clinical significance
Authors: Wu Jinlin , Sun Tucheng , Fan Ruixin
Published: June 2021

In this letter, we commented on several issues of the recent study
entitled “Hypothermic circulatory arrest time affects neurological
outcomes of frozen elephant trunk for acute type A aortic dissection: A
systematic review and meta‐analysis” by Dr. Mousavizadeh et al. We hope
to improve the clarity of this research and call attention to the
methodological quality of performing a meta-analysis.
Self-developed NF-κB inhibitor 270 protects against LPS-induced acute kidney injury and lung injury through improving inflammation
Authors: Yu Yanyan , Li Xiangqian , Hu Wenpeng , Cui Shichao , Dai Jiajia , Gao Yanan , Zhang Yiting , Zhu Jiaying , Shi Dayong
Published: June 2021

Background and Purpose: Sepsis-induced acute kidney injury (AKI) and
acute lung injury (ALI) have high morbidity and mortality, with no
effective clinically available drugs. Anti-inflammation is effective
strategy in the therapy of AKI and ALI. NF-κB is a target for the
development of anti‑inflammatory agents. The purpose of the study is to
evaluate the effect of 270, self-developed NF-κB inhibitor, in
LPS-induced AKI and ALI. Experimental Approach: LPS-induced macrophages
were used to examine the anti-inflammation activity of 270.
Sepsis-induced AKI and ALI mice models were established by
intraperitoneal injection of LPS (10 mg/kg) for 24 h. Oral
administration 270 for 14 days before LPS stimulation. Plasma, kidney
and lung tissues were collected and used for histopathology, biochemical
assay, ELISA, RT-PCR, and western blot analyses. Key Results: In vitro,
we showed that 270 suppressed the inflammation response in LPS-induced
RAW 264.7 macrophages and bone marrow derived macrophages. In vivo, we
found that 270 ameliorated LPS-induced AKI and ALI, as evidenced by
improving various pathological changes, reducing the expression of
pro-inflammation genes, blocking the activation of NF-κB and JNK
pathways, attenuating the elevated myeloperoxidase (MPO) activity and
malondialdehyde (MDA) content, ameliorating the activated ER stress,
reversing the inhibition effect on autophagy in kidney and lung tissues,
and alleviating the enhanced plasma level of creatinine (Crea), blood
urea nitrogen (BUN) and pro-inflammation cytokines. Conclusions and
Implications: Our investigations provides evidence that NF-κB inhibitor
270 is a potential drug against LPS-induced AKI and ALI in the future.
Effect of systolic dysfunction and elevated left ventricular end diastolic pressure on 3-year clinical outcomes in patients with atrial fibrillation
Authors: HYEYON YU , AHN JIHUN
Published: June 2021

Objectives: Systolic and diastolic dysfunctions are related to adverse
clinical outcomes in patients with sinus rhythm. The aim of this study
was to clarify the prognostic significance of systolic and diastolic
dysfunctions in patients with chronic persistent atrial fibrillation
(AF). Methods: We evaluated data for 114 consecutive patients with
chronic AF who underwent measurement of LVEDP at our hospital between 1
March 2011 and 31 December 2014. In total, 114 consecutive patients with
chronic AF were divided into two groups according to the left
ventricular ejection fraction (LVEF): LVEF < 50 (reduced
ejection fraction, REF group) and LVEF ≥50 (preserved EF, PEF group).
The PEF group was further divided into two subgroups according to the
left ventricular end-diastolic filling pressure (LVEDP): LVEDP
>15 mmHg and LVEDP ≤ 15 mmHg. The 3-year clinical outcomes
were compared between the PEF and REF groups and the LVEDP ≥15 mmHg and
LVEDP <15 mmHg groups. Results: During the 3-year follow-up
period, the rate of heart failure (HF) hospitalisation and incidence of
AF with rapid ventricular rhythm (RVR) were higher in the REF group than
in the PEF group. Multivariate analysis revealed that REF was the only
significant predictor of HF hospitalisation (hazard ratio, 4.71; 95%
confidence interval, 1.48–15.02; p=0.009). Conclusions: Our
observations during a mid-term follow-up period revealed that systolic
dysfunction could be an important predictor of HF hospitalisation in
patients with AF. However, elevated LVEDP may not be associated with
mid-term adverse clinical outcomes in patients without systolic
dysfunction.
Fenofibrate Use Is Associated With Lower Mortality and Fewer Cardiovascular Events in Patients With Diabetes: Results of 10,114 Patients From the Korean National Health Insurance Service Cohort
Authors: Jo Sang-Ho , Nam Hyewon , Lee Jeongwoo , Park Sojeong , Lee Jungkuk , Kyoung Dae-Sung
Published: June 2021

OBJECTIVE

We investigated the long-term clinical efficacy of fenofibrate use with regard to mortality and cardiovascular outcomes in patients with type 2 diabetes.

RESEARCH DESIGN AND METHODS

We performed a population-based cohort study using data of the South Korean National Health Insurance Service from 2003 to 2014. Of 63,727 participants with diabetes aged 40–79 years, 5,057 users of fenofibrate only were compared with 5,057 nonusers of fenofibrate and/or omega-3 fatty acid with 1:1 propensity matching. The primary end point was a composite of myocardial infarction, stroke, percutaneous coronary revascularization, and cardiac death for a median of 3 years.

RESULTS

The primary end point was significantly lower in fenofibrate users compared with those using neither fenofibrate nor omega-3 fatty acid (13.4 vs. 15.5 per 1,000 person-years; hazard ratio [HR] 0.76; 95% CI 0.62–0.94; P = 0.010). Cardiac death (1.8 vs. 3.1 per 1,000 person-years; HR 0.59; 95% CI 0.352–0.987; P = 0.0446), all-cause death (7.6 vs. 15.3 per 1,000 person-years; HR 0.437; 95% CI 0.340–0.562; P < 0.0001), and stroke (6.5 vs. 8.6 per 1,000 person-years; HR 0.621; 95% CI 0.463–0.833; P = 0.0015) were significantly lower in the fenofibrate group. When the duration of fenofibrate use was stratified by quartile, the risk decreased in quartile 4, with an HR of 0.347 (95% CI 0.226–0.532; P < 0.0001). In subgroup analysis, the favorable effect of fenofibrate was sustained consistently across all subsets of patients, including those classified by LDL cholesterol, HDL cholesterol, and triglyceride levels.

CONCLUSIONS

Use of fenofibrate was associated with a lower rate of total and cardiac mortality and cardiovascular events in patients with type 2 diabetes during a 3-year follow-up in real-world large populations.
SURFO Technical Report No. 16-01
Authors:   SURFO
Published: June 2021

The 2016 technical reports written by undergraduate students participating in the SURFO (Summer Undergraduate Research Fellowships in Oceanography) Program while at the University of Rhode Island.
SURFO Technical Report No. 19-02
Authors:   SURFO
Published: June 2021

The 2019 technical reports written by undergraduate students participating in the SURFO (Summer Undergraduate Research Fellowships in Oceanography) Program while at the University of Rhode Island.
ACOUSTIC SIMULATION OF THE CENTRAL HALL IN PALAU GÜELL BY GAUDÍ
Authors:   Universitat Rovira i Virgili, González Genaro , Samper Albert ,   Universitat Rovira i Virgili, Herrera Blas ,   Universitat Rovira i Virgili
Published: June 2021

Introduction: Quadric surfaces are commonly used in buildings due to their geometric ability to distribute and focus sound waves. The Central Hall in Palau Güell — a UNESCO World Heritage Site — is topped by an ellipsoidal dome. Antoni Gaudí envisaged this room as a concert hall where the organ and the dome play a lead role. Methods: The two previously mentioned elements are the main subject of our paper, which serves two purposes: 1) determining the values of the acoustic parameters of the hall through onsite measurement and also through simulation, and 2) using the geometric parameters of the quadric surface, which best fits the dome, in order to check whether it is possible to improve the acoustics of the hall by placing a new emission source at the focus of the dome’s ellipsoid. Results and Discussion: Contrary to the authors’ expectations, due to the focal reflection properties of the quadric surface, some acoustic parameters on the listening plane do not improve significantly. Therefore, we conclude that Gaudí took the acoustical impact into account when designing this hall.
ASSESSING THE IMPACTS OF CITY SPRAWL ON URBAN FREIGHT TRANSPORT IN DEVELOPING COUNTRIES
Authors:   Department of Civil Engineering, Government Engineering College, Daman, Dhonde Bhavesh , R. Patel Chetan ,   Department of Civil Engineering, Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat
Published: June 2021

Introduction: In the 21st century, cities in developing countries have witnessed faster growth as compared with cities in developed countries. Countries like India, China and Brazil have one of the most densely populated cities in the world. The transport infrastructure in these cities struggles to deal with the increasing population and geographic sprawl. Though some efforts are made to improve the transportation systems in these cities, urban freight transport is largely overlooked as the focus remains on passenger transport. Methods: This study aims to assess the impacts of the city’s geographic sprawl on urban freight transport using the example of the textile industry in Surat, India. The sprawl of the city and its textile industry is measured based on historical maps, Google imagery, and establishment surveys. Changes in urban freight trip lengths are determined using the data of a commercial vehicle drivers’ survey. Results: In the last two decades, the city expanded geographically by almost three times. The relocation of textile manufacturing units led to a 40% increase in trip lengths and additional 56 tons of carbon dioxide generation per year. Due to the city sprawl, the overall efficiency of the urban freight transport system reduced. There is a need for a holistic planning approach towards urban freight movement and related urban infrastructure for sustainable freight flows. This can serve as a policy framework to decide on the location of a logistics hub or as guidelines to allocate manufacturing enterprises in the proximity of the urban area, thus enabling sustainable development of the city.
SELECTING MADIUN–DOLOPO TRACE ROUTE WITH THE FUZZY AHP (ANALYTIC HIERARCHY PROCESS) METHOD
Authors:   Politeknik Perkeretaapian Indonesia, Widi Astuti Septiana , Adib Kurniawan Muhammad ,   Politeknik Perkeretaapian Indonesia, Aghastya Adya ,   Politeknik Perkeretaapian Indonesia
Published: June 2021

Introduction: The National Railway Master Plan (RIPNAS), dated 2018, mentions that the railway network size and railway service capacity for using trains as the main means of transportation can be increased by reactivating non-operational routes and improving the condition of the existing routes. Methods: In our study, we propose the Fuzzy Analytic Hierarchy Process (Fuzzy AHP) method to determine the best option for the reactivated Madiun–Dopolo trace route in East Java, Indonesia. The data obtained were derived from questionnaires filled in by experts in the field. The model used six main criteria: land use, technical aspects, transportation node integration, social insecurity, disaster factors, and funding. Result and Discussion: The analysis reveals that the predominant route selection criterion chosen by the respondents was the Land Use (with a score of 0.25). The least significant Madiun–Dopolo route selection criterion was the Disaster Factors (0.07). Based on the results of weighting the criteria and aggregating the respondent alternatives, the trace route most commonly chosen by the respondents was the Alternative Trace Route (Trace Route 2), with a score of 0.698, while the Existing Trace Route (Trace Route 1) had a score of 0.302. The Alternative Trace Route is longer than the Existing Trace Route, but it will mostly pass through farming regions, which is assumed to create less social conflicts than in the case of Trace Route 1. This also automatically means that Trace Route 2 will need fewer funds in land acquisition.
Analisis Pengaruh Warna Reflektor Antena Parabola Jenis Solid dan Mesh TerhadapKualitas Sinyal pada Aplikasi DVB-S
Authors: Lesmono Hendri , Budayawan Khairi , Huda Yasdinul
Published: June 2021

Digital Video Broadcasting via Satellite (DVB-S) is a communications that use a satellites as a repeater signal from the sender to the receiver. Because it uses the satellite as a repeater signal , then in the sender and receiver use a parabolic antenna type. The majority of the current parabolic antenna reflector color comes from the color of the material used reflector itself is gray, while the use of other types of color are rarely used be it a lighten color or darken color, in addition to use of the parabolic reflector antenna at this point, especially for the type of solid is very susceptible to corrosion or rust. So it is necessary to research on the influence of color on quality parabolic reflector antenna signal that produce either from a parabolic type of solid or mesh type.This type of experimental research, in this researchers informant trying to observe and manipulated object under control. Informant painting on the parabolic reflector antenna, measuring signal quality, signal strength and the value of C/N and then compare the results of measurements on each color parabolic reflector antenna. Instruments used by informant is a parabolic antenna, Low Noise Block (LNB)and satellite meter.The results showed that the color of a parabolic reflector antenna isinfluence on signal quality and strength of the signal that received by the receiver. The more bright colors that used in parabolic reflector antenna, more electromagnetic waves are reflected toward the LNB satellite dish antenna and vice versa which have an impact on increasing the quality of the received signal at the receiver. Painting parabolic reflector antenna other than as an attempt to prevent corrosion are also could to improve the quality of the signal, with a record of using colors that have been suggested. Color parabolic reflector antennas are recommended for applications DVB - S is a white and light blue
Kontribusi Motivasi Belajar Dan Pemanfaatan Fasilitas Labor Terhadap Hasil Belajar Mata Pelajaran Melakukan Perawatan Komputer Siswa Kelas X Teknik Komputer Dan Jaringan Di SMK Negeri 8 Padang
Authors: Iqbal Muhammad , Naansah Zulkifli , Abdul Hamid Yusri
Published: June 2021

This research is purposed to reveal the contribution oflearning motivation and laboratory facilities of the subjectslearning outcomes Perform Computer Maintenance Class Xstudent of Computer Engineering and Networks SMK Negeri 8Padang. The research is a descriptive correlational . The researchpopulation numbered is 59 people and sample totaled 37 studentsof class X Computer Engineering and Networks SMK Negeri 8Padang Academic Year 2012/2013.Using Technique of randomsampling ( Simple random sampling ) . and Data collection usingquestionnaires and documentation . Data were analyzed usingPearson product moment correlation and multiple correlation foranalysis . The results of data analysis showed : ( 1 ) learningmotivation to contribute 25.16 % of the learning outcomes ofstudents of SMK Negeri 8 Padang Academic Year 2012/2013 ,(2) laboratory facilities accounted for 19.82 % of the learningoutcomes of students of SMK Negeri 8 Champaign AcademicYear 2012/2013 , (3) Learning Motivation and Labor facilitiestogether accounted for 27.84 % of the learning outcomes ofstudents of SMK Negeri 8 Padang Academic Year 2012/2013 . Soit can be concluded that the motivation to learn and laboratoryfacilities contribute to the learning outcomes , the higher thestudents' motivation in the learning process and the betterutilization of laboratory facilities , the learning outcomes will behigher.
KONTRIBUSI MOTIVASI BELAJAR DAN SARANA PRASARANA TERHADAP HASIL BELAJAR MATA DIKLAT MENERAPKAN DASAR-DASAR TEKNIK DIGITAL KELAS X JURUSAN TEKNIK AUDIO VIDEO SMK N 1 PADANG
Authors: Prastyo Dana , Sukaya Sukaya , Almasri Almasri
Published: June 2021

The problem in this study is the fact that the field is found in SMK Negeri 1 Padang, a class X student learning outcomes Technik Audio Video obtaining substandard minimum completeness criteria in subjects assigned Menerapkan Dasar - Dasar Teknik Digital school is 70.00. The purpose of this study was to reveal the contribution of the motivation on learning and facilities and infrastructure outcomes of students in subjects the Menerapkan Dasar - Dasar Teknik Digital in majors class X Technik Audio Video at SMK Negeri 1 Padang. This is a descriptive correlational study. The population in this study was student of class X at SMK Negeri 1 Padang are 62 students. While this research sampling technique is proportional random sampling. The sample in the study were 38 students of class X in SMK Negeri 1 Padang. Data were analyzed using SPSS (Statistical Product and Service Solutions). From the results, (1) motivation on learning (X1) to contribute to student learning outcomes of 18.8% (2) facilities and infrastructure (X2) to contribute to student learning outcomes of 38.8% and (3) The percentage contribution of variable motivation on learning (X1) facilities and infrastructure (X2) jointly to the student learning outcomes (Y) is equal to 48.1%. This shows the better motivation on learning and facilities and infrastructure to learn the students' learning outcomes will be better anyway. Keyword: Motivation on Learning and Facilities and Infrastructure. Menerapkan          Dasar-Dasar Teknik Digital.
PENGARUH PENGGUNAAN MEDIA PEMBELAJARAN CD INTERAKTIF TERHADAP PENINGKATAN HASIL BELAJAR SISWA PADA MATA PELAJARAN PAUL DI SMKN 1 LINTAU BUO
Authors: Febri Danil , Jaya Putra , Huda Yasnidul
Published: June 2021

The objective of this study is to determine the effect of using CD interactive media on learning outcomes. The problem in this research contents is about the low value of the average grade of 75.00 compared with KKM Ocular Measurement Using Electricity Lesson at SMK 1 Lintau Buo. It is influenced by the teaching methods, learning models, and instructional media. Therefore an interactive CD learning media been used as the treatment. This research uses one shot experiment study model as analytical approach. The subject of this research is students of class X TAV SMK 1 Lintau Buo. Data collected by giving a pre - test and post – test, in order to determine the effectiveness of the treatment. Data collection was conducted in four times lessons. The research instrument that had been used is subjective test as much as 20 questions divided into 5 questions for each lesson. Data were analyzed using SPSS 15 computer program. As the result, the average value of pre-test for the whole meeting is 50.95 while the average post-test score of 81.72, with the difference of the two is 30.78. In the percentage calculation, it has gained the result for 60.41 %. It can be concluded that there is a significant improvement in student learning outcomes after getting treatment using Interactive CD as an instructional mediaKeywords : Interactive CD , pre-test , post -test and Learning Outcomes
Perancangan Peta Digital Sekolah Menengah Atas dan Kejuruan Negeri di Kota Padang Berbasis Web
Authors: Jasril Andika Riyadi , Zulhendra Zulhendra , Kurniadi Denny
Published: June 2021

In 2007, Padang city starts the implementation of educational system which refers to the development of Science and Technology by implementing Online Admission System for School (PSB online). This admissions process consists of a fair, transparent, and comprehensive review of all applicants and also can be responsible in accordance with the rule and policy of the Education Department of Padang city. On the website which is provided by the Education Department only publishes the addresses of each school. Therefore, it is need a development system that provides location services of Senior High School and Vocational High School in digital map form. This digital map application designed by using Adobe Flash CS 3 which is presented interactively by combining the element of multimedia such as text, sound, image, animation, and video. By using this digital map, the people and prospective students who want to get in Senior High School or Vocational High School in Padang can find out the school’s geographic location immediately, so that will be easier for the people and students to find out the school’s location that want to be visited .Keyword : PSB online, Digital Map, Multimedia, SMA, SMK and MA State
PERANCANGAN DAN IMPLEMENTASI SISTEM INFORMASI PENCARIAN ALAMAT PENTING DI KOTA PADANG MENGGUNAKAN APLIKASI MOBILE
Authors: Fatimah Ayu , Sriwahyuni Titi , Dwiyani Nurindah
Published: June 2021

This projects aims to provide an information system to search for the important address in Padang. The important address in Padang still use the phone book (yellow  pages),  but  not  everyone can  use and  have it.  In  the  search  for  the important address in Padang, not everyone has a mobile phone that can access the internet and if using a mobile phone, it will need the charge. As well as in the search for important addresses in Padang, not everyone can call the operator, and call the operator also takes the charge. Because of that problem, this application created with no internet service, so it does not cost money. This mobile application system can provide information such as text display with detailed  address  and  phone  numbers  and  addresses  an  important  route  in Padang. The starting address point is from Padang’s Market because a lot of public transport with the important addresses major roads in Padang is passing along this way. The mobile application comes with a list of important address like Mosques, Hospitals, Hotels, Universities and Government Offices which contain such as info address, phone number and the address route to search the important address for the application’s user. This is an implementation on mobile phone based on java language programming with jar extension file.   Keywords : Information Systems, Mobile Application, Addresses, Java .
PERANCANGAN SISTEM PELAPORAN KEUANGAN SMK NEGERI 1 KECAMATAN LUAK BERBASIS JARINGAN
Authors: Apri Wenando Febby , Novaliendry Dony , Hadi Ahmaddul
Published: June 2021

Schoolasan organization needsasystemtosupport all activitiesboth academicorschoolmanagement. Fields of school management system are management of curriculum, studentmanagement, personnel management, financialmanagementandpreventivemanagement ofschool facilities and infrastructure. Financial managementisthe managementactions/financialadministration, including record keeping, payroll, implementation, accountabilityandreporting. Design payroll report system forSMANegeri 1X Koto Diatasuseful to support thesmooth running ofthe services thatthe payrollreportsystemwillbe betterorganizedinterms ofexpenditureandincome. Thissystem designusingMySQLfor Databaseand programming languagePHP.Design system of payrollSMANegeri 1X Koto Diatasimplementedtofacilitate theadministrative officerand theparties involved in thepayrollreport ofschool. In theservice ofprocessorreportwill befaster and more accuratebecause thecalculationis done automatically. Keywords: Systems, Payroll Report, Payroll Systems, SchoolsPayroll
PERANCANGAN APLIKASI PERHITUNGAN ZAKAT MAL, MENENTUKAN WAKTU SHALAT DAN ARAH KIBLAT MENGGUNAKAN GPS BERBASIS ANDROID
Authors: Dara Yasmin , Kurniadi Denny , Budayawan Khairi
Published: June 2021

The daily prayers are an important thing that should be done by every moslem in this world. One of the priorities in praying is to pray on the right time with directed to mecca  Nowadays, most of moslem tend to neglect the time to pray as they are busy of their works. At this time, a moslem have to be discipline in splitting  the  time  to  do  shalat.  Those who  earn  and  have enough income  is supposed to pay the Zakat Mal according to the amount of their income. In this modern era, handphone has been used by the people in facilitating their works in daily life, because handphone have many functions out of its main function. Android is an operation system that is inserted into handphone which has function to help the user in installing the application that they need. In this final project, the writer proposed a title “The designing of application in calculating Zakat Mal, Determining the Time of Shalat, and Direction to Mecca by using GPS with android system base. This application will remind the user of the time of shalat and  show  the  direction  to  Mecca  that  is  supported  by  GPS  system.  This application also includes the menu for calculating the Zakat Mal.   Keywords:  Android Application, Zakat Mal, Shalat time, Direction of Kiblat. GPS (Global Position System)
PENERAPAN MODEL COOPERATIVE LEARNING TYPE GROUP INVESTIGATION UNTUK MENINGKATKAN HASIL BELAJAR MULTIMEDIA 3D KELAS XI JURUSAN MULTIMEDIA (MM) DI SMK NEGERI 2 PADANG PANJANG
Authors: Fenesa Ceci , Efrizon Efrizon , Budayawan Khairi
Published: June 2021

Problems in this study is the lack of achievement of the target of Completeness Minimum Criteria (KKM) the study of students in the subject of Multimedia 3 Dimention. This study aimed to see whether there is any difference in learning outcomes using Model Cooperative Learning Type Group Investigation by learning outcomes that do not use the Model Cooperative Learning Type Group Investigation, which is Direct Instruction. This research is experimental research, this study population was a class XI MM student of SMK Negeri 2 Padang Panjang Academic Year 2014/2015. This research is a quasi experimental. The sampling technique was performed using purposive sampling technique. Experimental class is a class that is treated by using a Model Cooperative Learning type Group Investigation and the control class is the class that uses the Direct Instruction model. Data were collected from the test results in the form of learning objective about a total of 33 items. Data were analyzed manually to normality test, homogeneity, and hypothesis testing. The study of the test results can be the average value of student learning outcomes using Model Cooperative Learning Type Group Investigation is 83.63 while the average value of students who use the Direct Instruction models lower at 74.45 with the percentage difference between classroom learning outcomes experimental and control class is 12.32%. The average value obtained posttest experimental class of 78.4 and an average value of 72.2 posttest control class. The result of t testing showed that the score of  tcounting > ttable (1.962 > 1.672), so that the working hypothesis (H1) is accepted or rejected the null hypothesis (Ho). This means that significantly increase learning outcomes experimental class is greater than the control class learning outcomes.  Key-word : Cooperative Learning Group Investigation, Learning Model, Direct Instruction, Learning Outcomes, Control and Experiment, Multimedia 3 Dimention.
KONTRIBUSI MOTIVASI BELAJAR DAN SUASANA BELAJAR TERHADAP HASIL BELAJAR PADA MATA PELAJARAN KETERAMPILAN KOMPUTER DAN PENGELOLAAN INFORMASI (KKPI) SISWA KELAS X TKJ SMKN 4 TAKENGON-ACEH TENGAH
Authors: Badrun Badrun , Efrizon Efrizon , Slamet Legiman
Published: June 2021

This study was motivated by the problem of low learning outcomes in subjects Computer Skills and Information Management (KKPI) class X Computer Engineering and Networks in SMK Negeri 4 Takengon, where 30% of students get to learn the results below minimum completeness criteria (KKM). KKM assigned school on the subjects KKPI is 75 with a range of values of 0 - 100. The purpose of this study is to reveal the contribution of learning motivation and learning atmosphere on the results of study subjects Computer Skills and Information Management (KKPI) class X Computer Engineering and Networks SMKN 4 Takengon. This research is a correlation associative nature.The population in this study were all students of class X Computer Engineering and Networks SMKN 4 Takengon, consists of two classes of 40 people. A sampling technique that total sampling where the sample is whole members of the population because the subject is less than 100 persons. The data obtained from the student learning outcomes subject teachers Skills Computer and Information Management (KKPI) SMK Negeri 4 Takengon. While data on the motivation to learn and the learning environment are collected through a questionnaire using a Likert scale that have been tested for validity and reliability. File was analyzed using statistical methods with the help of software Microsoft Excel 2007.The result showed: (1) learning motivation accounted for 24.61% of the results of class X student of SMK Negeri 4 Takengon; (2) Atmosphere Learning accounted for 23.54% of the results of class X student of SMK Negeri 4 Takengon; (3) learning motivation and learning atmosphere together accounted for 47.90% of the results of class X student of SMK Negeri 4 Takengon. So it can be concluded that the motivation to learn and contribute to the learning atmosphere of learning outcomes, the higher the motivation to learn and the better learning environment, then it will get better learning results. Keywords : Motivation, Atmosphere Learning, Learning Outcomes, Associative correlation, Total Sampling.
PERANCANGAN DAN IMPLEMENTASI SISTEM INFORMASI PENJUALAN KOMPUTER DAN ACCESSORIES PADA TOKO MUJAHIDAH COMPUTER BERBASIS WEB
Authors: Fitri Rahmi Sartika , Rukun Kasman , Dwiyani Nurindah
Published: June 2021

The development of information and communication technologies now provides new opportunities for businesses to increase revenue and expand the marketing area. Example is the use of e-commerce. The implementation of e-commerce is one good way to deal with the existing trade competition. So the marketing information system design is a solution for Mujahidah Computer to overcome marketing problems. The system design is described in three stages diagram of Unified Modeling Language (UML). These stages are context diagram, use case diagrams, and activity diagrams. This system uses PHP programming language with Codeigniter framework and MySQL as the database. This information system will be facilitated with online sales to expand the marketing targets and provides information about the Mujahidah Computer a means of promotion. This system will also provide the comment form so that users can provide a response to the system.Keywords: Information System, E-commerce, Codeigniter
ANALISIS PENGARUH JENIS SUBSTRAT TERHADAP KARAKTERISTIKANTENA MIKROSTRIP PERSEGI PANJANG DENGAN FREKUENSI KERJA 2,4 GHZ
Authors: Zuletmei Delva , Faiza Delsina , Budayawan Khairi
Published: June 2021

This research motivated by the influence kind of substrate to the dimensions of the antenna, gain and impedance, to get the design of antenna with the characteristic consistent with the standards and need of the designer takes the right material. This research to prove the effect of microstrip substrate. The substrate according to the design (features) and desirable for a rectangular microstrip antenna 2,4 GHz. Method used is analisis from the result of the simulation using CST studio suite, the process follow some steps: (1) study literature (2) determining the types antenna (3) determining the specifications of the microstrip antenna (2,4 GHz frequentz of resonance, return loss <-9,54 dB direction) (5) calculating the dimention of the antenna based on the theory (4) simulation using CST studio suite (5) analyzing the result of simulation. From the research can be concluded that there is a value £r of the gain the rectangular microstrip antenna where the larger value £r and the gain will be smaller. There is an influence in the value £r foward the bandwidth to the square antenna microstrip. Which is the more larger the value £r bandwidth make the value smaller. There is an influence in the value £r foward beamwidth to the square antenna mictrostrip, which is the more larger that value of £r, beamwidth will be larger. To design the antenna with high value more than 90° 5dB that is use for the value of £r between 1-3. To design the antenna with the beamwidth that value more than 0,03 GHz that use for the material with value of £r between 1-3.Keywords : kinds of substrate, gain, banwidth, beamwidth, antenna microstrip, CST studio suite
PERANCANGAN APLIKASI MOBILE LEARNING TEST OF ENGLISH FOR INTERNATIONAL COMMUNICATION (TOEIC) SIMULATION PADA SMARTPHONE BERBASIS ANDROID
Authors: Chandra Yayang Fitria , Dwiyani Nurindah , Huda Yasdinul
Published: June 2021

English is the language most widely used in the world. English is the most popular in the world while the language most widely adopted as the official language in several countries and international organizations. There are 53 countries and 10 international organizations that use English as the official language. In addition, almost all countries in the world would adopt English as a second language after their own national language. In the working world, some companies generally use TOEIC to help find qualified employees to speak English. TOEIC is a test used to measure a person's ability to speak English. In TOEIC, there is a series of tests to be done. TOEIC score itself is widely used for the requirements for the company. For example, PT Pertamina (Persero).The course fee and cost Toeic tests are relatively expensive to make the most of those who need to learn self-taught TOEIC score and perform simulation before following Toeic test. But the self-taught through books deemed less effective, uninteresting, monotonous, boring and can not be used in dark places. And applications for free circulation in the Play Store app is paid mostly.Applications will Toeic authors designed using the Java programming language and Eclipse as editor, and is a free application that can be used offline. The TOEIC app provides four main menu tips and tricks, Toeic simulation, solution, and about. On the menu Tips and Tricks provides ways TOEIC do the problems easily. On the menu Toeic simulation contains questions TOEIC. On the menu solution contains a discussion of the TOEIC simulation has been done so that the user can understand TOEIC matter of discussion given. About the last menu contains applications and resources TOEIC questions. Keywords: Application, Mobile Learning, Toeic, Android, Smartphone.
SISTEM INFORMASI MANAJEMEN KEARSIPAN DI SMK NEGERI 5 PADANG PROVINSI SUMATERA BARAT
Authors: Praguna Rifeldo , Efrizon Efrizon , Budayawan Khairi
Published: June 2021

Mail archiving process in SMK 5 Negeri Padang still recorded manually. Therefore, we need an information system management of archives at SMK Negeri 5 Padang to assist in performing document archiving and can handle the process of legalization requests quickly archive. This information system aims to improve the efficiency, accuracy and security of archived documents. Hopefully, by the information system management of archives can alter the performance in SMK Negeri 5 Padang, especially in the archives in order to facilitate the archiving mail. In addition, by using the information in records management system will obtain the benefits of speed and convenience. The purpose of the speed here is through the use of this information system, the process of search, discovery, distribution and archive legalization done in quickly. Information system management of archives at SMK Negeri 5 Padang is designed to involve a web-based programming language HTML, CSS, JavaScript, and an object-oriented PHP, CodeIgniter, and MySQL as database. The system also uses an alias on addressing by applied to the address .htaccess file is actually as one of the security system. Users registered in this system have a private account to be entered into the system ID number and password with MD5 encryption. The results obtained from implementation information system management of archives in SMK 5 Negeri Padang is easier to manage the recording and archiving of mail that were once manual is now digital, and is helpful to demand legalized archives.Keywords : Information System, Archives, School, Web, CodeIgniter.
SISTEM INFORMASI PENYEWAAN DAN PEMESANAN TIKET BUS DAN TRAVEL KOTA PADANG
Authors: Pratama Hanif Efriko , Tasrif Elfi , Hadi Ahmadul
Published: June 2021

Padang City, as one of populous city in West sumatera province, well known as their wandering culture. This wandering culture causes the number of people using public transport to go out increased, especially the Inter-City Inter-Provincial bus (AKAP) users. Unfortunately, high public interest in using AKAP buses has not been supported by the adequate system of AKAP bus companies. Current system affect prospective passengers into problems while searching for the location of a transport company. It caused by limited source of information media, such as banners or word-of-mouth information. This lack of information reducing the user's comfort in using AKAP bus. This Information system of rental and booking bus and travel tickets in Padang City was created using the PHP programming language using the CodeIgniter framework and MYSQL for the database. The design of this information system is done to produce a web-based information system that provides information of transportation companies location to facilitate passengers and prospective passengers to come, and facilitate the process of booking tickets. The design of this information system displays the location information, prices, facilities, and transportation fleet that available in each company.                                                    Keywords: Information system, AKAP bus, transportation.