bluuebunny/crossref_metadata_2025 huggingface dataset:
Deteksi Kematangan Buah Tomat Berdasarkan Warna Buah dengan Menggunakan Metode YCbCr
Authors: Nasution Muhammad Syahputra , Fadillah Nurul
Published: October 2019

Abstrak— Buah tomat merupakan salah satu buah yang memiliki warna yang kompleks untuk menentukan kematangan nya. Buah tomat memiliki 3 warna untuk menentukan apakah buat tomat tersebut sudah matang, setengah matang, dan mentah, yaitu warna merah ketika buah tomat sudah matang, warna kuning ketika buah tomat setengah matang, dan warna hijau ketika buah tomat mentah. Untuk menentukan kematangan buah tomat tersebut tidak hanya dilakukan secara konvensional (manual), tetapi bisa juga dapat dilakukan secara komputing (berbasis teknologi). Salah satu metode yang tepat untuk menentukan kematangan buah tomat berdasarkan warnanya secara komputing, yaitu menggunakan metode YCbCr. Pada penelitian ini akan dilihat bagaimana hasil konversi RGB ke YCbCr untuk menentukan kematangan pada buah tomat. Hasil yang didapat pada penelitian ini, yaitu ketika citra asli (RGB) di konversikan ke citra YCbCr maka untuk warna buah tomat yang sudah matang akan berwarna ungu, untuk warna buah tomat setengah matang akan berwarna berwarna magenta, dan untuk warna buah tomat yang masih mentah akan berwarna merah. Abstract— Tomato fruit is one of the fruits that has a complex color to determine its maturity. Tomatoes have 3 colors to determine whether the tomatoes are ripe, half-cooked and raw, which is red when the tomatoes are ripe, yellow when the tomatoes are half cooked, and green when the tomatoes are raw. To determine the maturity of tomatoes is not only done conventionally (manually), but can also be done by computing (technology-based). One of the right methods to determine the maturity of tomatoes based on the color is computationally, using the YCbCr method. In this study we will see how the results of RGB conversion to YCbCr to determine the maturity of tomatoes. The results obtained in this study, namely when the original image (RGB) is converted to YCbCr images, then for the color of ripe tomatoes will be purple, for the color of half-ripe tomatoes will be colored magenta, and for the color of tomatoes that are still raw will be red.
Klasifikasi Citra Warna Daun Padi Menggunakan Metode Histogram of S-RGB dan Fuzzy Logic Berbasis Android
Authors: Sedo Raimundus , Mudjirahardjo Panca , Yudaningtyas Erni
Published: October 2019

The level of greenish leaves of rice plants is one indicator to analyze the nutrient needs of the rice plant nitrogen required. In the process, one recommended way to determine nitrogen needs for the rice plant is the use Leaf Color Chart (LCC). Given the need for efficiency of time and energy, and to avoid the perception of the color differences are observed, it is important to do the development of a system to facilitate the farmers in determining the nitrogen requirements for rice.This research aims to develop an Android-based system to determine nitrogen needs for the rice crop through image processing concept. The method used is of s-RGB Histograms and Fuzzy Logic. Method of s-RGB Histogram function to extract the characteristic color of rice leaves, while Fuzzy Logic is used to classify images based on 4 levels of rice leaf color on the LCC also to determine the dose of nitrogen necessary for the needs of rice plants.Tests carried out using Samsung's smartphone brands with a capacity of 8 MP camera. The test results and evaluation system using the Confusion Matrix for Multiple Classes showed that the accuracy of the system provide the requested information is considered good enough, that is 88.19%. The success of the system to find the information back to the recall level of 88.25%. Degree of proximity between the predicted value of the system to the actual value of 88.75%, and the level of specificity obtained at 62.12%. While the system achieved computational time average of 10:14 seconds. Keywords- Histogram of s-RGB, Fuzzy Logic, Leaf Color Chart, Confusion Matrix for Multiple Classes
Rancang Bangun Aplikasi e-CRM Alfamart Batam Dengan Metode Extreme Programming
Authors: Tukino Tukino
Published: October 2019

This can make irresponsible parties libel the company because everyone or customers who join it can read and comment freely on what the customer complained about. Therefore, PT Indoritel Makmur International Tbk (Indomaret) Batam is advised to have an application that can arrange and provide services to complaints or criticism and customer suggestions. To overcome these problems then designed a web-based Customer Relationship Management (CRM) information system. This design aims to facilitate customers in delivering criticism and suggestions or complaints to the service company. This design uses UML modeling diagram (Unifed Modeling Language) such as, Use Case Diagram, Activity Diagram, Class Diagram and Sequence Diagram. In addition, the technologies used in this design system such as Dreamweaver, PHP, and MySQL. The end result of this design is a Web-based Customer Relationship Management (CRM) information system that can be used to manage customer complaints submitted to PT Indoritel Makmur International Tbk (Indomaret) Batam. The Extreme Programming method is the most widely used approach to software development
PENINGKATAN KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS MELALUI MODEL PEMBELAJARAN BERBASIS MASALAH BERBANTUAN AUTOGRAPH DAN GEOGEBRA DI SMA FREEMETHODIST MEDAN
Authors: Batubara Ismail Hanif
Published: October 2019

This research is aimed to know: (1) Whether the increasing of mathematical concept understanding ability students through problem-based learning model assisted Autograph better than the increasing of mathematical concept understanding ability students through problem-based learning model assisted Geogebra, (2) How the interaction between learning and early math  ability of student mathematical concept understanding, The population are all students of SMA Free Methodist Medan. Then randomly selected two classes of four classes. The first experimental class were treated by problem-based learning model with assisted Autograph and the second experimental grade treated by problem-based learning model with assisted Geogebra. Data analysis was performed by analysis of variance (ANOVA) and two lanes. The research shows that: (1) The increasing of mathematical concept understanding abilities students through problem-based learning model assisted Autograph better than the increasing of mathematical concept understanding abilities students through problem-based learning model assisted Geogebra. (2) There is no Interaction between learning and early math ability of student mathematical concept understanding ability.
MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA KELAS V SD NEGERI 020580 BINJAI PADA MATERI LINGKARAN MELALUI METODE PEMETAAN PIKIRAN
Authors: Rosliana Rosliana
Published: October 2019

The purpose of this study is to determine the level of student learning success by applying the method of mind mapping on the subject of the circle and to find out how the implementation of student learning activities by applying the method of mind mapping on the subject of the circle. The subjects of this study are students of SD Negeri 020580 Binjai which consists of 38 students. The tool used to collect data is a test in the form of a description that consists of 10 questions. From the results of data analysis obtained 16 students the success rate is very high, 9 students success rate high, 12 students the success rate is, 1 student success rate is low and no students who not very low success. Based on the data achievement level of student learning outcomes there are 1 students with low success rate and 37 students with high success rate. In terms of learning completeness obtained by the number of students who complete learning (absorbance ≥ 65%) are as many as 37 students (97.37%) and the number of students who are not complete learning (absorption <65%) is as much as 1 student (2.63% ). Based on criteria mastery level and mastery of learning then it can be concluded the level of students of SD Negeri 020580 Binjai is very high. From the results of classroom observation obtained the implementation of good learning activities with active students at every stage of learning activities.
PENGEMBANGAN LEMBAR AKTIVITAS SISWA (LAS) MENGGUNAKAN PENDEKATAN DIFFERENTIATED INSTRUCTION UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMK
Authors: Fatimah Ade Evi , Purba Azrina
Published: October 2019

Abstract. The purpose of this study is to produce quality student activity sheets. To achieve this, this research uses development research. The development model used in this study is a 4-D development model consisting of the Define, Design, Development and Disseminate stages. The subject of this research is the tenth grade students of SMK 1 Percut Sei Tuan Deli Serdang Regency and the object of this research is the mathematics student activity sheet of trigonometry material using the Differentiated Instruction (DI) approach. Developed in this study is the student activity sheet (LAS). The results of the study show that: (1) the level of mastery learning in classical is 83.33%; (2) the level of student activity during the learning process takes place on the ideal time tolerance criteria; (3) the level of the teacher's ability to manage learning is good, because the average has reached the minimum criteria; (4) student responses to the components of the device and the learning process are positive; (5) Mathematical problem solving abilities of students have increased with an average value of 1.457 at pretest and 3.103 in postes with an average increase (N Gain) included in the medium category with an average of 0.521. The researcher suggested that the Differentiated Instruction approach be an alternative for teachers to improve students' mathematical problem solving abilities.Keywords: Student Activity Sheet, Differentiated Instruction Approach, mathematical problem solving ability
PENGARUH PENGGUNAAN MODEL CONCEPT ATTAINMENT TERHADAP PEMAHAMAN KONSEP MATEMATIKA
Authors: Mustika Helma , Sutriana Endang
Published: October 2019

Abstract. The purpose of this research is to know the understanding of mathematical concepts of students with the use of conceptual attainment model is better than the understanding of students' mathematical concepts with conventional learning. This research is quasi experimental research. The research design used was randomized subjects posttest only control group design. By selecting a Class VIII-2 sample as an experimental class and class VIII-1 as a control class of analytical techniques using the t-test as a hypothesis test, the prerequisite test is a normality test and homogeneity test. Based on the hypothesis test, t-test, obtained the price tarithmetic = 3.073 and price ttable = -1.997 at the real level of 0.05. Because tarithmetic > ttable, so Ha accepted and H0 rejected. So it can be concluded that the ability to understand the concept of mathematics students using conceptual learning model attainment better than the ability to understand the concept of mathematics students using conventional learning model.Keywords: Concept Attainment, Understanding of Concept
ANALISIS KESULITAN MAHASISWA DALAM MENYELESAIKAN SOAL PEMECAHAN MASALAH PADA MATA KULIAH ALJABAR DAN TRIGONOMETRI
Authors: Imelda Imelda
Published: October 2019

Abstract. The purpose of this study was to describe students' difficulties in solving problem solving problems in Algebra and Trigonometry courses. Subjects in this study were students of the Mathematics Education Faculty of Unika Santo Thomas Faculty of Teaching and Education study program in North Sumatra in semester 1 of the 2017-2018 school year, totaling 10 people. The data collection tool used in this study was a test of 5 questions in the form of a description. This type of research is a qualitative descriptive study. Data collection techniques are carried out by tests, observation, interviews and documentation. Data analysis techniques were carried out with the stages of data reduction, data presentation and conclusion drawing. The results showed that students had difficulty using the concept of equality and inequality squared, the use of the concepts of trigonometric formulas. Students also have difficulties in using number sequence principles and completing trigonometric equation solving, difficulties in disclosing information from problem solving and calculation errors. The contributing factor is the existence of several concepts and principles of algebra and trigonometry that are used in solving problems that have not been well controlled by students and are less thorough in performing calculations.Keywords: Analysis of Learning Difficulties, Algebra and Trigonometry
EFEKTIVITAS PEMBELAJARAN KOOPERATIF DALAM MENINGKATKAN AKTIVITAS DAN MOTIVASI BELAJAR MAHASISWA PADA MATAKULIAH STATISTIKA
Authors: Sembiring Ribka Kariani Br
Published: October 2019

Abstract. This study aims to find out what cooperative learning method is most effective in improving students’ activity and motivation in Statistics subject. This research is a Classroom Action Research (PTK). The subjects of this study are the 5th semester students of PGSD Study Program with total number 35 students. Instruments used consist of: (1) Observation sheet of learning implementation; (2) Observation sheet of students’ activity in learning with assessment on students’ oral activities, visual activities, listening activities, writing activities and emotional activities; (3) Observation sheets of group effectiveness with assessment on the efficiency aspects of problem solving and member participation; (4) Questionnaire of motivation to find out to which extent the learning can improve student's motivation which is seen from the students perception of their satisfaction in learning. The research results show that when PBM learning model is used in cycle 1 and Jigsaw learning model is used in cycle 2, Jigsaw is better than PBM learning model.Keywords: Problem-based learning model, Jigsaw Learning Model, activity and learning motivation.
PENGARUH PENDEKATAN SAINTIFIK TERHADAP KEMAMPUAN HASIL BELAJAR MATEMATIS SISWA
Authors: Sembiring Metrilitna Br
Published: October 2019

Abstract. This study discusses the influence of the scientific approach to mathematical learning outcomes. The type of research used in this writing is quasi-experimental, with scientific approach data collection on students' mathematical learning outcomes. Data analysis used with Simple Regression Analysis Test. Based on the analysis obtained by the results of the study, namely: the relationship or correlation between learning approaches with student learning outcomes with regression , with . The values for testing the data can use the Anova table   and the significance level of 0.000 < 0.05. So that it can be said that the values of the two data are different. Thus, it can be concluded that there is the influence of the scientific approach to students' mathematical learning outcomes. This shows that the learning approach has a significant effect on students' mathematical learning outcomes. The coefficient of determination is   means that the contribution or influence of the santifik approach (X) on the students' mathematical learning outcomes (Y) is . Thus, the scientific approach is better at contributing to students' mathematical learning outcomes.Keywords: Scientific Approach, Learning Outcomes
PENERAPAN MODEL PEMBELAJARAN THINK PAIR SQUARE (TPS) DENGAN MENGGUNAKAN LKS UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL DI KELAS X SMA NEGERI 2 PEMATANGSIANTAR
Authors: Habeahan Winmery Lasma
Published: October 2019

Abstract. The purpose of this study was to determine whether using the TPS learning model by using LKS can improve student learning outcomes in the material system linear equation two variable in class X Senior High Public School 2 of Pematangsiantar. The type of research used is classroom action research with 2 cycles. Subjects of class X-IPA 7. On the implementation of the first cycle of action, the result of the analysis of tests of students at the moderate (≥ 65) category in a classical manner were still not achived because only 52.78% of students were completed, with a grade average 65.00. After the implementation of the second cycle of action, the learning outcomes of students in the medium minimum category (≥ 65) have been achived classically, namely 86.11% with an average value 73.75. The increase in students’ mathematics learning outcomes from cycle I to cycle II was 21.11%. Based on the result of the above research it can be concluded that the application of the TPS learning model using LKS can improve student learning outcomes.Keywords: Laerning Outcomes, Think Pair Square (TPS), LKS
Effect of pure Aluminum in Reduction of Silica from Sediments in Iraqi-Tigris
Authors: Hilal Bariq Ali , Al-Rubaiey Sami Ibrahim
Published: October 2019

This work was carried out on sediments in the Iraqi- Tigris river within the city of Baghdad. Three locations were taken from the Tigris river. The first is at the entrance to Baghdad City (Al-Muthanna Bridge), the second in central Baghdad (Adhamiya) and the third at the end of Baghdad (Diyala Jisr).

The specimens were taken from the banks of the Tigris river at 1.5 meters from the edge of the water and a depth of 2 meter. The sediments contain in the three locations have a slight difference in concentrations of compounds. Sediments formed mainly from silica, which concentrations were between 59 - 66%. Therefore, the study focused on extracting the pure silicon element from these sediments.

The extraction process of silicon from the sediments was performed in two stages. The first is pyrometallurgy stage, in which the reduction of silica was performed by mixing pure aluminum powder with sediments  at different mixing ratio (1:1, 1.5:1 and 2:1) sediments/aluminum and at temperatures (900 - 950 and 1000)° C. The second stage was hydrometallurgy, which involved chemical reduction using at different concentrations (3,4 and 5M) of sulfuric acid to obtain silicon element with purity, 98. 9%. The efficiency of extracted  silicon from sediments of Tigris river is ≥  (88%).
Cuatro piezas portuguesas de Miguel Asins Arbó: aproximación analítica y performativa TITLE: Four Portuguese Pieces by Miguel Asins Arbó: analytical and performative approach
Authors: Gomez Rodriguez Jesús María
Published: October 2019

En este artículo se analizan desde el punto de vista armónico y pianístico una de las piezas más características de la obra para piano del compositor español Miguel Asins Arbó (1916-1996). Premio Nacional de la Música en 1950, es un autor conocido internacionalmente por ser el creador de las bandas sonoras de películas de Luis García Berlanga (1921-2010) o Marco Ferreri (1928-1997). Compuso más de cien obras para piano, la mayoría sin editar y con escasa bibliografía en cuanto al análisis y difusión de las mismas. Este ciclo de canciones muestra el dominio del maestro valenciano para captar la música popular de diferentes países. El principal objetivo de este trabajo ha sido conocer y descubrir el lenguaje y las características formales de las obras que investigamos e interpretamos. Esta investigación documental cuyo origen es la partitura del autor, ha utilizado la metodología cualitativa para comprender el significado de su música mediante técnicas de observación analítica. El análisis cualitativo de su música, que demanda la exploración de los procedimientos compositivos, nos permite conocer mejor su lenguaje usando técnicas de observación y estrategias centradas en el análisis armónico e instrumental. Los resultados han sido positivos y se recomiendan aspectos interpretativos, generando ideas que nos ayudan en la práctica artística. ABSTRACTIn this article, we analyse the harmonic and piano perspective one of the most characteristic pieces of the piano work of the Spanish composer Miguel Asins Arbó (1916-1996). National Music Award in 1950, he was known internationally as the author of the soundtracks of Luis García Berlanga (1921-2010) or Marco Ferreri (1928-1997) films. He composed more than a hundred works for piano, although unfortunately most of them still unedited and with a short analytical bibliography of them. This cycle of songs shows how the composer can capture popular music from different countries. The principal objective of this work is to know and discover the language and the formal characteristics of the works we investigate and play. This documentary research whose origin is the composer’s score, has used the qualitative methodology to understand the meaning of his music, through analytical observation techniques. The qualitative analysis of his music, which demands explore the compositional procedures, allows us to understand better his language using observation techniques and strategies focused on harmonic and instrumental analysis. The results have been positive and is to recommended work several interpretative aspects, generating ideas that help us in artistic practice.
Necesidades educativas de estudiantes ecuatorianos con discapacidad para una educación del Sumak Kawsay TITLE: Educational needs of ecuadorian students with disabilities for and education of the Sumak Kawsay
Authors: Lara Lara Fernando , Jaramillo Gamarra Carlos Omar
Published: October 2019

El presente trabajo persigue describir las necesidades educativas de los estudiantes con discapacidad en una unidad educativa de Santo Domingo de los Tsáchilas (Ecuador), y contrastar esta realidad definida a partir de su experiencia, con la exigida por el legislador ecuatoriano para la construcción de una educación constitucionalmente definida como del Sumak Kawsay. Se sigue una metodología cualitativa, y se aplica como técnica de recolección de datos la entrevista estructurada a seis estudiantes con distintas discapacidades según el Consejo Nacional de Discapacidad del Ecuador. Entre las conclusiones más relevantes se aprecia una aún incipiente cultura educativa inclusiva, preocupada principalmente por la estructura física más que en la integración de los distintos actores de la comunidad educativa; en especial, se aprecia una necesidad de fortalecer las funciones de los Departamentos de Consejería Estudiantil, así como la formación y apoyo del docente en cuanto al refuerzo de la relación de confianza con los estudiantes, identificación de sus necesidades particulares, y una apreciación del valor de aprendizaje de este colectivo como aderezo de una relación intercultural orientada a la inclusión educativa y al abandono del asistencialismo.ABSTRACTThe present study aims to describe the educational needs of students with disabilities in an educational unit in Santo Domingo de los Tsachilas (Ecuador), and to contrast this reality defined from his experience with that demanded by the Ecuadorian legislator for the construction of an education constitutionally defined as Sumak Kawsay. A qualitative methodology is followed, and the structured interview is applied as a data collection technique to six students with different disabilities according to the National Disability Council of Ecuador. Among the most relevant conclusions, there is a still an incipient inclusive educational culture, mainly concerned with the physical structure rather than the integration of the different actors of the educational community. In particular, there is a need to strengthen the functions of the Student Counselling Departments, as well as teacher training and support in reinforcing the relationship of trust with students, identification of their particular needs, and an appreciation of the learning value of this group as an intercultural relationship oriented towards educational inclusion and abandonment of welfarism.
Percepción del profesorado hacia las tendencias metodológicas actuales de Educación Musical TITLE: Teachers’ perception of current methodological trends in Musical Education
Authors: Martin Garro Unai , Arriaga Sanz Cristina
Published: October 2019

Este trabajo pretende desvelar cuál es la percepción del profesorado acerca de la práctica educativa musical, así como describir la metodología que se utiliza en el aula, con el objetivo de identificar los factores que influencian la puesta en práctica de tendencias metodológicas actuales. La información se ha obtenido a través de entrevistas en profundidad tanto al profesorado de Música como a tutores. Se ha realizado un análisis de contenido con la ayuda de un sistema categorial. Los resultados muestran que la asignatura de Música está infravalorada con respecto a las demás y que el profesorado tiene dificultades para implementar las metodológicas actuales. Como conclusión se subraya que existe la necesidad de una implicación de la administración para ofrecer cursos formativos relacionados con este tipo de tendencias, tanto musicales como generales.ABSTRACTThis paper intends to reveal the teachers' perception about the current practice in musical education, and to describe the teaching methodologies used in classroom, with the aim of identifying the factors that influence the implementation of current methodological trends. Information was obtained through in-depth interviews with music teachers and tutors. Data have been classified according to a categories’ system, and a content analysis of these data was performed. The results show that the subject of Music is undervalued compared to other subjects. Also, teachers find difficult to implement current methodological trends. The main conclusion is that there is a need for educational administration’s involvement providing training courses on current trends in teaching methodologies.
Evolución temática de la producción científica de la revista DEDiCA TITLE: Thematic evolution of the scientific production of the journal DEDiCA
Authors: Moreno Guerrero Antonio José
Published: October 2019

Doctor en el Departamento de Didáctica, Organización Escolar y Didácticas Especiales, dentro del Programa de Modelos Didácticos, Interculturalidad y Aplicación de las Nuevas Tecnologías en las Instituciones Educativas, por la Universidad Nacional de Educación a Distancia. Licenciado en Psicopedagogía. Diplomado en Educación Especial y en Audición y Lenguaje por la Universidad de Granada. Máster en Informática Educativa por la Universidad Nacional de Educación a Distancia. Experto Universitario en la Dimensión Político-Administrativa de la Inspección Educativa. Integrante del Grupo de Investigación – HUM-672 AREA (Análisis de la Realidad EducativA). Profesor Asociado del Departamento de Didáctica y Organización Escolar, con docencia en la Facultad de Educación, Economía y Tecnología de Ceuta, de la Universidad de Granada. Autor de diversas publicaciones científicas, ponencias en distintos congresos de ámbito internacional, ponente en cursos de formación del profesorado y de extensión universitaria.ABSTRACTThe journal DEDiCA is a scientific journal that publishes articles related to education, the humanities and the arts, starting in 2011 until today. The aim of the research is to analyze the entire scientific production of the journal itself. To this end, a bibliometric study has been developed, focusing on structural and thematic development, applying a longitudinal co-word analysis through the use of SciMAT software, bearing in mind the number of citations. Three periods have been established for the analysis: 2011-2013, 2014-2016 and 2017-2019. The sample consisted of 246 research articles. The results show that there is no thematic continuity between the analyzed periods, in addition to a low rate of coincidence in relation to keywords between the analyzed periods. The most cited themes by period are interculturality (between 2011 and 2013), education (between 2014 and 2016), and musical education (between 2017 and 2019), while the driving themes vary between those periods, with popular culture and music in the first period, educational innovation in the second period and musical didactics and musical education in the third period. It is concluded that DEDiCA has tended, in the analyzed global period, to focus on musical education and musical didactics, establishing its focus of interest in these fields of study, although it also considers studies related to education in general and educational innovation.
Nuevas zonas vitivinícolas en México: concientización para la prevención de filoxera en ámbito bioético y sustentable
Authors: Pérez Leal Ramona , Maya Meraz Irma O. , Orduñoo Cruz Nuvia , Jacobo Cuéllar Juan Luis
Published: October 2019

La viticultura en México se ha incrementado, por lo que es esencial conocer las condiciones que favorecen la aparición de plagas y enfermedades típicas de este cultivo. Al respecto, se empleó como metodología una revisión científica sistematizada que permitiera conjuntar datos relevantes de la filoxera y sus métodos de prevención. Los resultados mostraron que el uso de portainjertos resistentes a filoxera como 1103-P en suelos franco-arcillosos es una manera eficiente de controlar las plagas y la futura devastación de los cultivos. De este modo, se da a conocer la importancia del uso de portainjertos para nuevas zonas vitivinícolas de México, además de promover la viticultura desde un ámbito bioético y sustentable.
Variación de la calidad del agua de La Ciénega de Tláhuac, México
Authors: de la Lanza Espino Guadalupe , Hernández Pulido Salvador
Published: October 2019

En las márgenes de la Ciénega de Tláhuac se encuentran actualmente asentamientos humanos y se desarrollan actividades agropecuarias que impactan el medio acuático por las descargas de aguas residuales. Debido a ello, este trabajo evalúa la calidad del agua y la compara con información publicada hace 20 años. Los resultados muestran alta conductividad derivada de escurrimientos agropecuarios periféricos que emplean fertilizantes, elevada dureza, altos contenidos de sulfatos, pH alcalino, una concentración de oxígeno disuelto desde sobresaturación hasta hipoxia o anoxia, una hipereutrofización con elevados niveles de nitrógeno y fósforo totales, además de una contaminación bacteriana por coliformes fecales. Los resultados encontrados son más altos comparados con los de 20 años atrás y señalan una mala calidad del agua, en particular hipereutrofizada.
Los retos actuales en la ingeniería de proteínas
Authors: Jiménez Rosales Angélica
Published: October 2019

Las proteínas son la maquinaria molecular que sustenta la vida, y el hombre ha buscado adaptarlas para resolver sus necesidades. En esta revisión, se presentan los fundamentos sobre las proteínas, sus niveles estructurales, plegamiento, las enzimas y su actividad catalítica y las limitantes de sus aplicaciones debido a su naturaleza. De manera simplificada, se ilustran las bases conceptuales y metodológicas de la ingeniería de proteínas, su alcance y las perspectivas de su aplicación en la ciencia y la innovación de procesos. Se concluye que la ingeniería de proteínas es una rama que continúa implementando herramientas computacionales e ingeniería gen´ética-proteómica por medio de la cual es posible la generación de nuevas proteínas para ampliar sus aplicaciones en diversos procesos.
Kırşehir İlindeki Bazı Tarım Topraklarının Verimlilik Durumlarının Belirlenmesi
Authors: ABACI BAYAR Ahu Alev , ÇINARLI Murat , BAKIR GÜVEN Gamze
Published: October 2019

Bu araştırma Orta Anadolu Masifinin bir parçası olan

Kırşehir ilinin merkez ilçesine bağlı Saraycık köyünde yürütülmüştür. Alan

topraklarının fiziksel ve kimyasal özellikleri ile bitki besin maddesi

içeriklerini tespit etmek amacıyla arpa, buğday, nohut, kavun-karpuz tarımı

yapılan 36 noktadan 0-30 cm derinliklerinden toprak örnekleri alınmıştır.

Çalışma alanı

topraklarının tekstürü kumlu tın, pH’sı 7.04-8.16 aralığında ve ortalama 7.77

olarak bulunmuş ve hafif alkalindir. Topraklarda tuzluluk problemi olmayıp,

organik madde içeriği %1.22-3.34 aralığında ve ortalama %2.32 olarak orta

seviyede, toplam kireç içeriği %1.50-24.41 aralığında ve ortalama %12.24 olarak

orta derecede kireçli bulunmuştur. Alandaki yeterli ve

noksan bulunan makro ve mikro besin elementi içeren alanlar tespit edilmiş ve

istatistiki analizler sonucunda parametrelerin birbiri ile olan ilişkileri

incelenmiştir. Sonuç olarak; toprakların 4.31-23.02 kg da-1 P2O5 aralığında

ve ortalama 8.06 kg da-1 P2O5 olduğu

orta seviyede fosfor içerdiği, potasyum (K2O)

miktarı 80.62-459.80 kg da-1 aralığında ve ortalama 181.70 kg da-1,

magnezyum (Mg) miktarı %0.018-0.333 aralığında ve ortalama %0.063, kalsiyum

(Ca) miktarı %0.425-3.475 aralığında ve ortalama %0.953 olarak topraklarda

yeterli seviyede bazı makro bitki besin elementi olduğu bulunmuştur. Tarım

topraklarının bazı mikro besin elementlerinden bakır (Cu) miktarı 0.61-1.89 mg

kg-1 aralığında ve ortalama 1.09 mg kg-1 olarak yeterli

düzeyde bulunurken, mangan (Mn) miktarı 0.32-5.73 mg kg-1 aralığında

ve ortalama 2.77 mg kg-1, alınabilir çinko (Zn) içeriği 0.13-0.77 mg

kg-1 aralığında ve ortalama 0.37 mg kg-1 ve demir (Fe)

içeriği 0.24-0.97 mg kg-1 aralığında ve ortalama 0.46 mg kg-1

olarak topraklarda düşük seviyede tespit edilmiştir.
Karaoğlan (Vitis vinifera L.) Üzüm Çeşidinin Şarap Fermantasyon Sürecinde Fenolik Bileşik ve Antioksidan İçeriğinin Belirlenmesi
Authors: TAHMAZ Hande , SÖYLEMEZOĞLU Gökhan
Published: October 2019

Araştırmada

kırmızı şaraplık üzüm çeşidi olan Karaoğlan (Vitis vinifera L.) çeşidi şaraba işlenmiş ve fermantasyon süresince

toplam fenolik bileşik, toplam antosiyanin ve antioksidan kapasite düzeyleri

ölçülmüştür. Fermantasyonun ilk günü 391.3 mg GA/L olan toplam fenolik bileşik

miktarı fermantasyon sonunda artarak 2005.7 mg GA/L’ye, toplam antosiyanin

içeriği 6.14 mg/L’den 185 mg/L’ye ve antioksidan kapasite 2.31 µmol troloks/mL’den

11.3 µmol troloks/mL’ye yükselmiştir. Araştırma sonuçlarına göre Karaoğlan üzüm

çeşidinin yüksek fenolik bileşik içeriğe sahip şarap veren kaliteli bir üzüm

çeşidi olduğu tespit edilmiştir.
Eutogenes frater Volgin (Acari, Cheyletidae): A New Member of the Acarofauna in Turkey
Authors: DOĞAN Salih , DOĞAN Sibel , ERMAN Orhan
Published: October 2019

Three female mite (Acari) specimens collected from

litter and soil under silverberry (Elaeagnus

angustifolia) in Elazığ province, Turkey were identified as Eutogenes frater Volgin (Cheyletidae). This species shows distinct differences

from other species in the genus, namely dorsal idiosoma covered by two shields,

surface of the shields with papilliform granules, all dorsal setae fan-like,

propodosomal shield bearing 10 pairs of setae, hysterosoma with 12 pairs of

dorsal body setae. Eutogenes frater has been given before

from the type locality, Bulgaria, and was later recorded from Algeria, Hungary

and Iran. This species has also been known from Giza, the north of

the Nile Delta (Egypt) and Burg Al Arab (United Arab Republic). Description of this species with its

phase contrast and differential interference contrast (DIC) micrographs

are provided here. This is the first reported occurrence of the genus Eutogenes Baker from

Turkey.
Türkiye’de Endemik Olarak Yetişen Ferulago mughlae Peşmen ve Ferulago sandrasica Peşmen ve Quezel Türlerinin Antibakteriyel ve Antifungal Etkileri
Authors: KARAKAYA Songül , DELİMUSTAFAOĞLU BOSTANLIK Fatmagül , ILDIZ Nilay , KILIÇ Ceyda Sibel
Published: October 2019

Bu çalışmada, Ferulago mughlae

ve Ferulago sandrasica (Apiaceae)

türlerinin toprak üstü ve köklerinden hazırlanan metanollü ekstrelerin

antibakteriyel ve antifungal etkileri incelenmiştir. Antibakteriyel ve

antifungal aktiviteleri belirlemek amacıyla Kirby-Bauer disk difüzyon testi

kullanılmıştır. Tüm ekstreler sadece Staphylococcus aureus ATCC 25923 suşuna

karşı inhibisyon zonu oluştururken, Escherichia

coli ATCC 25922, Pseudomonas

aeruginosa ATCC 27853, Streptococcus

pyogenes ATCC 19615 ve Bacillus subtilis ATCC 6633’a karşı tüm ekstrelerde

inhibisyon zonu gözlenmemiştir. Bacillus

cereus ATCC 117782’a karşı F. mughlae

kök ekstrelerinin 5000 ve 2500 µg/mL dozunda inhibisyon zonu gözlenmiştir. F. mughlae herba ekstrelerinin S. aureus ATCC 25923 dışında Haemophilus influenza ATCC 4447’ya karşı

inhibisyon zonu oluşturduğu gözlenirken, F.

sandrasica kök ekstresi Enterococcus

faecium NJ-1 ATCC’ya benzer olarak inhibisyon zonu oluşturmuştur. Bu

nedenle bu bitkilerin antimikrobiyal hastalıklarda kullanılabileceği ve

sentetik ilaçlara karşı bitkisel alternatif olabileceği sonucuna varabiliriz.
Cortodera flavimana (Waltl, 1838) ve Chlorophorus varius (Müller, 1766) (Coleoptera: Cerambycidae) Türlerinin İlk Kromozom Kayıtları
Authors: ASLANTAŞ Miyase , OKUTANER Atılay Yağmur
Published: October 2019

Türlere ait kromozom
verilerinin oluşturulması ile taksonomi ve evrim gibi bilimsel alanlara ciddi
katkılar sunulmaktadır. Bu nedenle türlere ait sitogenetik kayıtların
oluşturulması önemlidir. Böcekler üzerine yürütülen sitogenetik çalışmalar çok
kısıtlıdır. Cerambycidae, Coleopteranın tür çeşitliliği bakımından önemli
familyalarından biridir. Bu çalışma ile Cerambycidae familyana ait Cortodera flavimana
(Waltl, 1838) ve Chlorophorus
varius (Müller, 1766)  türleri çalışılmıştır. Analizler sonucunda C. flavimana’nın diploit kromozom sayısı
2n=20, C. varius’un haploit kromozom
sayısı n=9+Xyp olarak gözlemlenmiştir.
Siirt İli Merkez İlçede Kırmızı Et Tüketim Alışkanlıkları ve Tüketimi Etkileyen Faktörler
Authors: KİBAR Mustafa , MİKAİL Nazire , YILMAZ Ayhan
Published: October 2019

Kırmızı et tüketimi insanların sağlıklı

beslenmesinde ve ülkelerin gelişmişlik düzeyinin belirlenmesinde önemli bir

faktördür. Bu çalışma Siirt ili Merkez ilçede kırmızı et tüketim alışkanlığını

ve tüketimi etkileyen faktörleri incelemek amacıyla yapılmıştır. Veriler

tesadüfi örnekleme metoduyla belirlenen 161 kişi ile yüzyüze anket yapılarak

elde edilmiştir. Deneklerin yaklaşık olarak yarısı kadınlardan oluşmakta ve

çoğunluğu Siirt ilinde sadece ikamet ettiklerini belirtmiştir. Araştırmaya

katılanların çoğunluğu lise-lisans derecesine sahip, evli ve orta yaşlı

insanlardan oluşmaktadır. Katılımcılar genellikle koyun etini, orta fiyatlı

etleri ve alım yeri olarak da kasabı tercih etmektedirler. Katılımcıların

kırmızı eti tercih etmesinde alışkanlık başta olmak üzere lezzetli ve sağlıklı

olması gibi faktörler de etkili olmuştur. Tüketiciler kırmızı et satın alırken

alım yerinin hijyenik olmasına ve ürünlerin etiketli olmasına daha çok dikkat

etmişlerdir. Tüketicilerin et tüketim miktarları üzerine ailedeki birey sayısı,

aylık ortalama gelir ve aylık ortalama gıda harcaması etkili olmuştur. Sonuç

olarak Siirt ilinde daha çok koyun etinin tüketildiği ve bu durumun bölgede

küçükbaş hayvancılığın yaygın olmasından ve dolayısıyla alışkanlıktan

kaynaklandığı düşünülmektedir.
Rangeland Health, Condition and Biodiversity in Kırşehir Province
Authors: MUTLU Ziya , ÜNAL Sabahaddin , MERMER Ali , URLA Öztekin , ŞAHİN Bilal , ASLAN Serdar
Published: October 2019

Rangeland improvement and management have recently become more important that many new projects have been also initiated and conducted throughout Turkey. There is a great responsible for the provinces in the Central Anatolia Region on those implementation projects. In this framework, this study was designed that could contain vegetation surveys in representative sites for rangelands of Kırşehir province in 2008 year, at the same time their assessment, and conclusion were also performed too. The 36 rangeland sites were surveyed with the modified-loop method. The results of vegetation surveys were analyzed and determined rangeland condition and health classes for each sites. The vegetation cover was measured as 65.35%. The rates of decreasers and increasers cover were 11.54% and 35.26%, respectively. The studied sites numbers were one, 30 and 5 for good, fair, and poor conditions, respectively. The 35 sites of total sites were identified as fair and poor in condition based on the rangeland condition classes. On the other hand, 8 sites were found at healthy, 20 sites at risky and 8 sites at unhealthy in rangeland health categories. Total site numbers of the last two classes were 28. Rangeland biodiversity were calculated as 0.229 by Simpson’s index. Survey results showed that rangelands have been overgrazed and seemed degradation. Firstly this trend should be stopped and secondly urgent measures should be implemented for restoration.
Farklı Olgunlaşma Dönemlerinde Hasat Edilen Nohut Geveni (Astragalus cicer L.) Otunun Besleme Değerinin Saptanması
Authors: UZATICI Ahmet
Published: October 2019

Bu çalışma, farklı olgunlaşma dönemlerinde hasat edilen nohut geveni (Astragalus cicer L.) otunun kimyasal bileşimi, in vitro gaz üretimi, metabolik enerji (ME), organik madde sindirimi (OMS) ve nispi yem değerini (NYD) saptamak için yapılmıştır. Nohut geveni otlarının in vitro gaz üretim miktarları 3, 6, 12, 24, 48, 72 ve 96 saat aralıklarla saptanmış ve inkübasyon süreleri arası farklılıklar önemli bulunmuştur (P<0.01). Ayrıca nohut geveni otunun olgunlaşması sonucunda kimyasal bileşimler, ME, OMS ve NYD düzeyleri önemli derecede etkilemiştir (P<0.01). Gelişme dönemine bağlı olarak nohut geveni otlarının NDF, ADF ve ADL içerikleri artmış, ham protein, ME, OMS ve NYD ise azalmıştır (P<0.01). Sonuç olarak hasat dönemleri nohut geveni otlarının yem değerini etkilemiştir. En yüksek yem değerine sahip ot vejetatif ve çiçeklenme döneminde hasat edilenlerde saptanmıştır.
Denizli ve Manisa İlleri Kekik (Origanum onites) Fideliklerinde Bulunan Yabancı Ot Türleri, Yoğunlukları ve Rastlanma Sıklıkları
Authors: SOKAT Yıldız
Published: October 2019

Çalışmada, Denizli ve Manisa illeri

kekik (Origanum onites) fide üretim alanlarında bulunan yabancı ot türleri,

yoğunlukları ve rastlanma sıklıkları araştırılmıştır. Surveyler; 2014 yılında,

tesadüfi olarak seçilen 125 fidelikte 4508 m2 alanda yürütülmüştür.

Yabancı ot sayımlarında 0,25 m2’lik çerçeveler kullanılmış,

fideliğin büyüklüğüne göre çerçeve atılarak yabancı ot türleri ve sayıları

belirlenmiştir. Sayımlarda geniş yapraklı yabancı otlar tüm bitki olarak, dar

yapraklıların ise sapları sayılarak değerlendirilmiştir. Elde edilen verilerden

m2’deki yabancı ot yoğunluğu ve rastlanma sıklığı belirlenmiştir.

Surveyler sonucunda Denizli’de 22 familyaya ait 45 tür, Manisa’da 17 familyaya

ait 19 tür olmak üzere 22 familyaya ait 45 farklı yabancı ot türü saptanmıştır.

Söz konusu türler içerisinde birinin endemik (Alyssum fluvencens var. stellatocarpum), birinin parazit (Cuscuta campestris L.) tür, üçünün dar

yapraklı, diğerlerinin geniş yapraklı yabancı ot türlerinin olduğu

belirlenmiştir. Denizli’de: geniş yapraklı yabancı otlar içerisinde en

yoğun  Anagallis arvensis L. türünün olduğu, bunu sırasıyla Stellaria media (L.) Vill., Urtica urens L., Chenopodium album L., Leguosia

pentagonia L. türlerinin takip ettiği; dar yapraklı yabancı otlarda ise en

yoğun Bromus tectorum L. türünün

olduğu, bunu Poa annua L.’nun takip

ettiği; Manisa’da ise: Heliotropium

europaeum L., türünün en yoğun olduğu, bunu sırasıyla Leguosia pentagonia L., Chenopodium

album L.’un takip ettiği belirlenmiştir. Sayımlarda en sık Denizli ilinde; A. arvensis L. türüne rastlandığı, bunu S. media (L.) Vill., U. urens L. ve C. album L.’un, takip ettiği; 

Manisa ilinde ise: en çok L.

pentagonia L. türüne rastlandığı, bunu H.

europaeum L., C. arvensis L. ve A. albus L.’un takip ettiği

saptanmıştır.
The Share of Subsidies in Income of Cereals’ Farmers in Turkey
Authors: KELEŞ Günay , YILMAZ Serpil
Published: October 2019

Just as in the world, agriculture is also supported in various forms in

Turkey. Agricultural subsidies in Turkey are land based subsidies, the

difference payment system, animal husbandry subsidies, agricultural insurance

subsidies, compensatory subsidies, other agricultural subsidies and

interest-discounted agricultural loans. Commonly used field based agricultural

supports; Support applied to hazelnut producers, good agricultural practices,

organic agriculture and inputs supported by diesel, fertilizer and soil

analysis. Supports for field crops are input support, agricultural credit and

certified seed use support. In Turkey, agricultural

subsidies are extremely important for producers. Because

agricultural support is one of the basic tools used to increase farmer's income

and hence agricultural producer welfare. For this,

the share of agricultural subsidies in farmer incomes should be sufficient. In

our country, agricultural subsidies do not get enough share from the state

budget. In the Agricultural Law which was issued in 2006, it was decided that

the support for farming will not be less than 1% of the national income rate.

However, the farmers were only able to take half of this support. It is

necessary to increase the share of the budget allocated to agricultural

subsidies and thus the agricultural subsidies received by the producers. Therefore, in this study, the effects of the support

policies applied in wheat, sunflower, paddy and canola products in the Thrace

Region were examined. In this context, Thrace Region was selected to analyze

the share of the support in the agricultural products in the farmer's income. Thrace

Region, the most productive of our country I-II and III. Class has 73.8% of

agricultural land.

 
A Study on Vase Life of Dry Bundle Flower in Lavender
Authors: KARA Nimet , GÜRBÜZER Gökhan , BAYDAR Hasan
Published: October 2019

This research was carried out during July-2016 and

March-2017 with aim to determination of usability as dry bundle flower of

‘Raya’, ‘Munstead’, ‘Silver’, ‘Vera’, ‘Sevtopolis’ and ‘Super Blue’ lavanders

belong to Lavandula angustifolia Mill.

species and ‘Giant Hidcote’, ‘Dutch’, ‘Super A’, ‘Grosso’ and ‘Abrial’ lavandin

belong to Lavandula x intermedia Emeric ex Lois. species for 4

years. Lavender cultivars, harvested at full flowering period in middle of

July-2016, were storage 8 months at room temperature (24±2 oC).

Measurements were done in the middle each month during eight months. The spike

length 3.77-12.37 cm, the stem length with spike16.8-41.7 cm, the cluster number per spike 4.5-11.0 number spike-1, the dry weight rate

33.21-49.00 % and spill rate 0.72-2.96% 

between varied  and generally

spill rate was decreased from 1st month towards 8th month

(varied between 0.02 and 0.60%). The highest L value showing the brightness of

lavender flowers were determined in L.

angustifolia var. Raya with 46.5 h0, +a value showing red color

tone from L. angustifolia var. Super

Blue with 3.26 h0 and –b value showing blue color tone from L. angustifolia var. Silver cultivars

with 7.10 h0. While L and –b value of lavender cultivars were

increased from 1st month towards 8th month, + a value was

increased. Raya, Super Blue, Giant Hidcote and Sevtopolis cultivars were

determined as favorable dry bundle flower species with more brightly colored

and non-spill flower/ bud.