bluuebunny/crossref_metadata_2025 huggingface dataset:
HUBUNGAN ANTARA LATAR BELAKANG EKONOMI KELUARGA, PERHATIAN ORANG TUA DAN INTENSITAS BELAJAR DENGAN PRESTASI BELAJAR MATEMATIKA SISWA SMP SE-KECAMATAN SEDAYU
Authors: Kintaka Dedy
Published: October 2018

The purpose of this research was to find out correlate between economical family background, parents attention and learning intencity with mathematics learning achievement of all junior high schools in Sedayu. This research was conducted in 3 junior high schools in Sedayu, the population was 460 students and the sample was 92 students using random sampling taking technique. Data collection technique using a questionnaire and a test technique. The result of minor hipotesis are Sig = 0,000<0,05; Sig = 0,032<0,05; and Sig = 0,010<0,05. Meanwhile the result of mayor hipotesis is Sig = 0,000 < 0,05. So, there are Â positive correlate and significant between economical family background, parents attention and learning intencity with mathematics learning achievement as collective and partial. It is expected that students, parents and teachers care about economical family background, parents attention and learning intencity to mathematics learning achievement increasingly.
PENINGKATAN MOTIVASI DAN PRESTASI BELAJAR MATEMATIKA MELALUI PEMBELAJARAN MENGGUNAKAN STRATEGI PEMECAHAN MASALAH DENGAN MEDIA KOMIK
Authors: Leviana Indra
Published: October 2018

Abstract: This study aimed to describe the process of learning used problem-solving strategies with Media Comic which increase motivation and achievement of students in grade VII C SMP N 3 Pleret Bantul Yogyakarta academic year 2013/2014. This type of research is the Classroom Action Research. Data was collected using questionnaire and test description. Types of experiments performed in this study is unused test with respondent around 28 students with test instruments that used to include the validity and reliability test. The results showed that there was an increase in the average value of 60.97 learning motivation into 80.07 after the action. While the percentage of students' abilities to pass the KKM with 69 score also increased that the first cycle of 71.43% increased to 78.57% in the second cycle. So the problem-solving strategies with Media Comic is improving the motivation and learning achievement of students.
MENINGKATKAN KEAKTIFAN DAN HASIL BELAJAR MATEMATIKA DENGAN MENGGUNAKAN METODE BAMBOO DANCING
Authors: Novianto Dwi
Published: October 2018

The purpose of this study to describe the learning process Bamboo Dancing method to improve the activity and grade students' mathematics learning outcomes of class XI TKJ SMK N 1 Binangun, Cilacap. This type of research is the Classroom Action Research ( CAR). The subjects were students of class XI TKJ SMK Negeri 1 Binangun , Cilacap , which amounts to 40 students. Object in research is liveliness and mathematics learning outcomes. The results showed that after learning of mathematics applied to the method of Bamboo Dancing the liveliness and mathematics learning outcomes increased . Learning activeness of students has increased from the first cycle the average percentage of student activity by 48.5 % in the second cycle to 68 % . Mathematics learning outcomes of students also increased visits from the average value of 52.9 students' abilities early in the first cycle to 67.29 and the second cycle the average value becomes 82.5. KKM attainment percentage also increased from 15 % at the start capability , in the first cycle to 60 % and to 82.5 % in the second cycle. Thus Teachers are encouraged to apply the methods of Bamboo Dancing , as an alternative learning method to enhance the activity and student learning outcomes .
PENGARUH STRATEGI METAKOGNITIF TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA DITINJAU DARI PERSEPSI SISWA TERHADAP PELAJARAN MATEMATIKA
Authors: Suratmi Suratmi , Purnami Agustina Sri
Published: October 2018

The purpose of this research is to know about students problem solving ability between students who implemented metacognitive strategy and conventional strategy, Â to know about students problem solving ability between student who have high perception, medium perception dan low perception in mathematics, and to know about interaction between of strategy and perception. This research is quasy experimental. The population of this research were students of class VIII SMP Negeri 3 Karangreja year 2014/2015. The sample of this research were 2 class which is 63 students with cluster random sampling technique. Data analysis is used descriptive analysis dan two ways Anava or F-test. The result of this research showed that: The problem solving ability of experiment class better than control class Â that is ; The problem solving ability of student who have high perception is better than medium and low perception, the problem solving ability of students who have medium perception is equal with low perception Â that is , and there is no interaction between of strategy and level of perception in problem solving ability Â that is .
PENERAPAN MODEL MAKE A MATCH UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA MATERI SISWA KELAS IV SD NEGERI DIWAK
Authors: Rahmayanti Ira Dwi Setya , Koeswanti Henny Dwi
Published: October 2018

Penelitian ini merupakan penelitian tindakan kelas (PTK) yang dilakukan secara kolaborasi dan dua siklus. Tujuan utama dalam penelitian ini yaitu untuk meningkatkan hasil belajar siswa kelas IV pada materi pecahan melalui model make a match di SD Negeri Diwak Kabupaten Semarang. Subjek penelitian ini adalah siswa kelas IV SD Negeri Diwak yang terdiri dari 20 siswa dengan komposisi perempuan 7 siswa dan laki-laki 13 siswa. Pelaksanaan penelitian ini dilakukan pada semester genap tahun pelajaran 2016/2017. Teknik pengumpulan data dilakukan melalui tes (tes formatif) dan non tes (observasi dan dokumentasi). Hasil penelitian menunjukkan adanya peningkatan hasil belajar siswa dari siklus I ke siklus II. Pada siklus I, hasil belajar siswa mencapai 74,34 dan persentase tuntas belajar klasikal 65,79%, sedangkan pada siklus II nilai rata-rata meningkat menjadi 80,72 dan persentase tuntas belajar klasikal menjadi 77,78%. Berdasarkan hasil tersebut, dapat disimpulkan bahwa model make a match dapat meningkatkan hasil belajar siswa dalam pembelajaran matematika materi pecahan di kelas IV SD Negeri Diwak Kabupaten Semarang. Oleh karena itu, guru dapat menggunakan model make a match sebagai alternatif model pembelajaran untuk meningkatkan hasil belajar.
Menumbuhkambangkan Kemampuan Pemahaman Konsep Matematika dengan Menggunakan Model Pembelajaran Guided Discovery
Authors: Arifah Umi , Saefudin Abdul aziz
Published: October 2018

Kemampuan pemahaman konsep merupakan salah satu kecakapan atau kemahiran matematika yang diharapkan dapat tercapai dalam belajar matematika. Kemampuan tersebutÂ  antara lain dengan menunjukkan pemahaman konsep matematika yang dipelajarinya, menjelaskan keterkaitan antar konsep dan mengaplikasikan konsep atau algoritma secara luwes, akurat, efisien, dan tepat dalam pemecahan masala
ANALISIS KESALAHAN DALAM MENYELESAIKAN SOAL MATEMATIKA MATERI PERSAMAAN GARIS LURUS BERASARKAN ANALISIS NEWMAN
Authors: Sudiono Eri
Published: October 2018

Penelitian ini bertujuan untuk mengetahui persentase kesalahan dalam menyelesaikan soal Â Â matematika materi persamaan garis lurus berdasarkan Analisis Newman yaitu (1) kesalahan membaca soal, (2) kesalahan memahami soal, (3) kesalahan transformasi, (4) kesalahan ketrampilan proses, (5) kesalahan penulisan jawaban akhir dan untuk mengetahui kesalahan apa yang paling banyak dilakukan siswa. Jenis penelitian ini adalah penelitian deskriptif. Teknik pengumpulan data menggunakan tes. Instrumen penelitian ini adalah tes. Teknik analisis data menggunakan Miles dan Huberman. Hasil penelitian menunjukan bahwa analisis kesalahan dalam menyelesaikan soal matematika materi persamaan garis lurus berasarkan Analisis Newman pada siswa kelas VIII SMP N 1 Gedangsari yaitu kesalahan membaca soal sebesar 5%, kesalahan memahami soal sebesar 46,4%, kesalahan transformasi sebesar 63,6%, kesalahan ketrampilan proses sebesar 74,8%Â  kesalahan penulisan jawaban akhir sebesar 87,9% dan kesalahan paling banyak dilakukan siswa pada kesalahan penulisan jawaban akhir sebesar 87,9%.
PENGEMBANGAN SOAL TES PENALARAN TINGGI BERBASIS KOMPUTER PADA BAHASAN TRIGONOMETRI SMA
Authors: Kuswardani Marina , Arcana I Nyoman
Published: October 2018

This study aims to (1) Developing the higer oreder thinking skills test on computer based in the subject of trigonometric SMA. (2) Knowing the feasibility of a higer oreder thinking skills tests computer based made on the subject of trigonometric SMA. This research is a research and development (Research & Development). The development method used in this study follows a simple development procedure suggested by Borg and Gall consisting of five steps: (1) Product analysis to be developed, (2) initial product development, (3) Expert Validation and product revision, (4) ) Limited field trials and product revisions, (5) Main-scale field trials and end products. The results of this study is a computer-based test entitled: "Computer Based Test Problems On High Trigonometric Discussion" which is packaged in the form of Comapct Disk (CD). The computer-based tests were tested limited trial of 30 students and a major trials of 34 SMA N 10 Yogyakarta. Problem-based computer test has met the validity, reliability, objectivity, praktibilitas, and economical. Validation results show a computer-based test is worth using. This is supported by: average grain matter about 4.80 (very good) and average media expert 4,76 (very good) and student questionnaire score 39,03 (very good. Â Research suggestions, the product should be used by students as an exercise in computer based reasoning.Â
PENINGKATAN MOTIVASI DAN PRESTASI BELAJAR DENGAN MODEL NITENI, NIROKKE, NAMBAHI KELAS X SMK MUHAMMADIYAH PRAMBANAN
Authors: Lestari Nanik Dwi , Kusmanto Benedictus
Published: October 2018

Penelitian ini bertujuan untuk meningkatkan motivasi dan prestasi belajar matematika siswa kelas X MMA SMK Muhammadiyah Prambanan dengan model Niteni, Nirokke, Nambahi. Subjek dalam penelitian ini adalah siswa kelas X MMA. Objek penelitian adalah keseluruhan proses pada penerapan pembelajaran matematika dengan model pembelajaran Niteni, Nirokke, Nambahi pada pelajaran matematika di kelas tersebut. Pengumpulan data menggunakan lembar angket dan tes evaluasi untuk mengetahui perubahan yang terjadi sebelum dan sesudah penerapan model pembelajaran. Teknik analisis data menggunakan teknik deskriptif rata-rata dan persentase. Persentase rata-rata motivasi belajar siswa pada siklus 1 sebesar 68,90% meningkat menjadi 85,06% pada siklus 2. Sedangkan rata-rata prestasi belajar siswa pada siklus 1 sebesar 80,00 meningkat menjadi 81,67 pada siklus 2. Dengan demikian dapat disimpulkan bahwa model pembelajaran Niteni, Nirokke, Nambahi dapat meningkatkan motivasi dan prestasi belajar matematika siswa kelas X SMK Muhammadiyah Prambanan tahun ajaran 2017/2018.
PROSES PEMECAHAN MASALAH MATEMATKA SISWA BERKEMAMPUAN TINGGI BERDASARKAN LANGKAH POLYA
Authors: Saparwadi Lalu , Cahyowatin Cahyowatin
Published: October 2018

The purpose of this study is to determine the process of solving the problem of students who are high-ability based on Polya step. This research uses the qualitative approach. The subject in this study was a high-ability student. The results of this study indicate that the ability to solve the problem of high-ability students based on Polya steps are: (1) Understanding the problem begins by understanding the vocabulary, identifying all the facts in the form of existing information data, connecting all information from the identification result, and ending by identifying the question ; (2) A plan for splitting begins with the selection of operations and establishes the formulation of equations; (3) Implement the plan of splitting; (4) Re-checking of the settlement result obtained by substituting the result obtained to the initial equation.
Perilaku Solusi Pada Laju Pertumbuhan Jumlah Benih Padi Serta Luasan Area Sawah Desa Baratan
Authors: Widyaningsih Retna
Published: October 2018

The aims research to find out the stages of good rice seed will be planted, to know the time calculation in Java to plant rice, and to complete the model and general mathematical solution by calculating the number of rice seeds involving the area of rice fields (10.000 m ^ 2). This type of research used qualitative research with ethnography approach. Research subjects namely Mbah and Pakde in Baratan village who work a rice farmer. This study uses interview guidelines. The results obtained from the interview data that is to determine the stage of good rice seed will be planted is to plow the field using a hoe, soaking rice seeds for 48 hours, sort the results of good rice immersion, curing for 48 hours to germinate, sow seeds evenly, after 20 days of paddy seedlings removed and planted, 1 week given urea fertilizer, 45 days fertilized again, and 3 months ready for harvest, while for the calculation of time in good Java language to plant rice that is prey ketelu on 25 August - 18 september (24 days ). The result of the mathematical model and solution associated with calculating the amount of rice involving the paddy area is obtained by the area of rice field (10.000m 2), the number of rice seeds needed is more.
Pengaruh Model Team Accelerated Instruction Terhadap Hasil Belajar Ditinjau Dari Keaktifan Siswa
Authors: Sumiati Wide , Sujadi A.A
Published: October 2018

This study aims to find out the effectiveness of TAI model through mathematics learning outcomes in terms of students' student activity. This research was a quasi-experimental research. Sampling technique in this research used Cluster Random Sampling technique. Data collection technique used questionnaire and tests. The data analysis technique used two-way variance analysis with unequal cell. The result of this research was that learning using TAI model is not more effective to use (Fobs< Ftable) with 2.859 <4.00; Students who have high student activity, have mathematics learning outcomes that are no better than those with moderate and low-skilled students (Fobs< Ftable) with 0.5576 < 3.15; There is no interaction between the learning model used and the student activity to the students' mathematics learning outcomes (Fobs< Ftable= 0.44 <3.15). A suggestion on the results of this study is in the process of teaching and learning teachers should be able to create an atmosphere of learning that can make students become more active.
Upaya Meningkatkan Minat Dan Hasil Belajar Matematika Melalui Strategi Pembelajaran Peningkatan Kemampuan Berpikir Pada Pada Siswa Kelas IX SMP Taman Dewasa Ibu Pawiyatan Yogyakarta 2016/2017
Authors: Muama Yulen Karepi , Sujadi A.A
Published: October 2018

The purpose of this research is to increase the interest and the result of learning mathematics class IX Junior High School Student Class IX Smp Taman Mature Ibu Pawiyatan through Learning Strategy Improving Thinking Ability (SPPKB).The results of this study indicate that after applied Learning Strategy Model of Improving Thinking Ability (SPPKB), interest and learning achievement of mathematics have increased. Student interest increased from cycle I of 64, 79% increased to 70,81% in cycle II. While the student's learning outcomes also experienced an increase. The average value of students from the initial ability of 50.33 with 5 students (16.67%) who meet the KKM increased to 55.90 with 9 students (30.00%) who meet the KKM on cycle I. While in cycle II the average score of students increased to 78.82 with 22 0rang students (73.33%) who meet the KKM in cycle II. Thus, it is suggested that teachers in learning mathematics is suggested to use Learning Strategy Model of Improvement of Thinking Ability (SPPKB) on other materials as an alternative to increase student's interest and learning achievement.
Pengembangan Media Pembelajaran Mandiri Berbasis Smartphone Pada Materi Kubus Tingkat MTs
Authors: Yusuf Nadiya , Arcana I Nyoman
Published: October 2018

The present study aimed to (1) develop media-based learning of smartphone for learning mathematics in junior school, (2) to know the feasibility of media-based smartphone made. This research is a research and development (Research & Development), which is a research used to develop or validate the products used in learning. The development method used in this study follows a simple development procedure suggested by Borg & Gall consisting of five steps, namely (1) product analysis to be developed, (2) initial product development, (3) expert validation and product revision, 4) limited trial and product revision, (5) main trial and final product. The result of this study is media learning with the title " Smartphone Based Independent Learning Media for Junior High School Cube Material" which is packaged in a APK file in a Compact Disk (CD). The validation proved the feasible use of smartphone-based media learning. The feasibility is supported by the average media score of 86.5 (very good), the material score 93.5 (very good), the student response scores from 20 students in MTs N Ngablak with an average of 58.2 (very good). The validation of this feasibility is also supported by the average score of student learning result test equal to 85 with number of student reaching KKM 95% and existence of high correlation (r= 0,828) between score of student response test with score test result learning of students which means that there is an unidirectional relationship between students' questionnaire scores with test scores of student learning outcomes.
Analisis Kesalahan Siswa Kelas VIII Dalam Menyelesaikan Soal Uraian Pokok Bahasan Kubus
Authors: Amrullah Alfian Multi , Arigiyati Tri Astuti
Published: October 2018

The purpose of the research are to find out the percentage of concept error, prosedur error, computation error, and the most dominant error in resolving the problem description of cube discussion subject VII A grade students MTs Negeri Ngablak The object of this research is studentâ€™s mistake in resolving the problem description of the set discussion subject. The type of this research is qualitative descriptive research. Data collection technique uses test technique and interview technique. Test Instrument in this research have 5 description problem test. The result of research indicate descriptively that students of MTs Negeri Ngablak undertake the average of concept error 67,77%, the average of procedure error 51,96%, and the average of computation error 28,41% with low category. The most dominant mistake type in resolving the problem which is done by VII A students MTs Negeri Ngablak is concept error.Â
Upaya Meningkatkan Motivasi Dan Hasil Belajar Matematika Melalui Model Pembelajaran Tipe Think Pair Square
Authors: Andriani Danti , Harini Esti
Published: October 2018

The purpose of this research was to increase being motivation and result in learning mathematics throughlearning modelStudent Teams Achievement Division of students class VIIID SMP Negeri 2 Pleret. The type of this research was a Classroom Action Research(CAR), accumulate data by questionnaire technique, test and documentation. The subject of this research were the students class VIII D SMP Negeri 3 Pleret in years 2017/ 2018. It consists of 28 students. The object of this research were studentsâ€™ being motivation and result in learning mathematics through cooperative learning model type Think Pair Square. The result of the study shows that after applying this learning model, studentsâ€™ being motivation and result has an increase. Studentsâ€™ being motivation has an increase in pre cycleÂ  from 69,78% become 74,28% in cycle I and increase 78,80% in cycle IIby the observation sheet. Beside that, the subjection mean of student learning result has an increase. In pre-action shows 59,5 with Minumum Completeness Criteria is 28,57% consist of 8 students, in cycle I has an increase become 72,96 with Minumum Completeness Criteria is 53,57% consist of 15 students, whereas in cycle II shows the increse become 83,26 with Minumum Completeness Criteria is 78,57% consist of 22 students.
Kemampuan mahasiswa program studi pendidikan matematika dalam memahami konsep kalkulus diferensial dan kalkulus integral dengan menggunakan Maple
Authors: Saparwadi Lalu
Published: October 2018

Penelitian ini dilatatbelakangi pada permasalahan rendahnya kemampuan mahasiswa dalam memahami konsep kalkulus diferensial dan kalkulus integral. Tujuan penelitian ini adalah untuk mendeskripsikan kemampuan mahasiswa program studi pendidikan matematika dalam memahami kalkulus diferensial dan kalkulus integral dengan menggunakan Maple. Jenis penelitian yang digunakan dalam penelitian ini adalah penelitian deskriptif kuantitatif dengan metode penelitian eksperimen. Desain eksperimen yang digunakan dalam penelitian ini adalah Pre-experimental tipe One-shot Case Studi. Penelitian ini dilakukan pada sekelompok mahasiswa program studi pendidikan matematika yang sedang mengikuti kegiatan pemebelajaran matematika berbantuan computer. Teknik pengumpulan data dalam penelitian ini menggunakan tes penyelesaian masalah. Temuan hasil penelitian ini menunjukkan bahwa hasil kerja mahasiswa dalam menyelesaikan masalah dengan bantuan Maple sesuai dengan target yaitu semua mahasiswa dapat menyelesaikan masalah dengan benar. Hasil ini meningkatkan pemahaman mahasiswa terhadap konsep kalkulus diferensial dan kalkulus integral.Â
IMPACTOS ECONÔMICOS DO DESASTRE DA SAMARCO
Authors: Dos Santos Fabiano Martins Carvalho , Satiro Hugo Almeida Carlos , Encarnação Paulo César , De Miranda Maria Geralda
Published: October 2018

Este estudo buscou verificar o modo pelo qual a catástrofe ambiental provocada pela Samarco impactou as atividades econômicas das regiões mais afetadas, como Mariana, em Minas Gerais. Os dados para o estudo foram buscados em instituições públicas e privadas, como no Ministério do Desenvolvimento, Indústria e Comércio Exterior, MDIC, Departamento Nacional de Produção Mineral, DNPM, Instituto Brasileiro de Geografia e Estatística, IBGE, Bolsa de Valores de São Paulo, BOVESPA, Companhia Vale do Rio Doce (CVRD) e Instituto Brasileiro de Mineração, IBRAM. Primeiramente, foi apresentado um breve histórico da mineração nos âmbitos local e nacional e a seguir fez-se uma análise da participação econômica da atividade mineradora em nível nacional e em nível local. Por fim, após a apresentação de dados, realizou-se uma discussão, a partir de Ignacy Sachs (2002), que mostra que a miopia do lucro, que enfatiza os ganhos em curto prazo, foram os responsáveis pelo desastre e que tal prática precisa ser fortemente combatida, pois acaba por menosprezar aspectos socioambientais tão importantes quanto os financeiros, desconstruindo toda a relevância econômica da atividade alcançada ao longo dos anos.
Ekmeklik Buğday (Triticum aestivum L.) Genotiplerinde Farklı Gelişme Dönemlerinde Oluşan Kuraklığın Bazı Fizyolojik Karakterlere Etkisi
Authors: ÖZTÜRK İrfan , KORKUT Kayıhan Z.
Published: October 2018

Ekmeklik buğdayda kuraklık verim ve kaliteyi doğrudan etkileyen önemli bir abiyotik stres faktörüdür.  Araştırmada bazı ekmeklik buğday genotiplerinin farklı kuraklık seviyelerinde verim ve bazı fizyolojik karakterler arasındaki ilişkiler incelenmiştir. Bölünmüş parseller deneme desenine göre 2008-2009 ve 2009-2010 yıllarında yürütülen ve 15 genotipin materyal olarak kullanıldığı deneme 3 tekrarlamalı olarak kurulmuştur. Denemede ana parsellerde kuraklık uygulamaları, alt parsellerde genotipler yer almıştır. Araştırmada; tane verimi ile üç farklı gelişme döneminde bitki örtüsü sıcaklığı ve bayrak yaprakta klorofil miktarı ölçülmüştür. Ayrıca başaklanma ve olgunlaşma gün sayıları, tane dolum süresi ve mumsuluk oranları ile bu karakterler arasındaki ilişkiler incelenmiştir. Araştırmada genotipler ve uygulamalar arasında önemli farklılıklar tespit edilmiştir. En düşük bitki örtüsü sıcaklığı Kate A-1 de görülürken en yüksek sıcaklık Golia çeşidinde ölçülmüştür. En düşük sıcaklık değerleri gebeleşme (17.21 oC ), başaklanma (19.96 oC ) ve tane dolum dönemlerinde (20.11 oC ) kuraklık uygulanmayan parsellerde ölçülmüştür. En yüksek sıcaklıklar ise başaklanma ve tane dolum dönemlerinde tam kuraklık uygulamalarında belirlenmiştir. Kanopi sıcaklığının tane verimini olumsuz yönde etkilemiş olup kanopi sıcaklığı ile tane verimi arasında korelasyon katsayıları başaklanma öncesi r= -0.779, başaklanma dönemi r= -0.793 ve tane dolum dönemi r= -0.924* olarak belirlenmiştir. Kuraklık stresi klorofil miktarını üç bitki gelişme döneminde de düşürmüş olup en yüksek klorofil miktarı kuraklık stresi uygulanmayan parselde belirlenmiştir. Genotiplerde başaklanma döneminde en yüksek klorofil miktarı ÖVD2/27-07 ve tane dolum döneminde EBVD24-07 hatlarında ölçülmüştür. Tane verimi ile bayrak yaprak klorofil içeriği arasında ilişki başaklanma öncesi r= 0.499, başaklanma dönemi r= 0.498 ve tane dolum dönemi r=0.954* olarak belirlenmiştir. Araştırma sonucu kanopi sıcaklığı ve klorofil kapsamının farklı kuraklık stresi altında verim için seleksiyon kriteri olarak kullanılabileceğini göstermiştir.
Bazı Yerli ve Yabancı Üzüm Çeşitlerinde Sürgünlerin Kesme Kuvveti ve Enerjisinin Belirlenmesi
Authors: SESSİZ Abdullah , GÜZEL , Emin , BAYHAN Yılmaz
Published: October 2018

Bu çalışmada, bağ çubuklarının kesme
işlerinde kullanılabilecek bir makinanın tasarımında temel parametreler olan
kesme kuvveti, kesme gerilmesi ve enerji gereksiniminin belirlenmesi
amaçlanmıştır. Bu amaç doğrultusunda 8 farklı üzüm çeşidi için sürgün çapına ve
neme bağlı olarak kesme özelliklerinin değişimi incelenmiş ve istatiski olarak
değerlendirilmiştir. Deneylerde kullanılan asmaların sürgünleri Diyarbakır
ilindeki şaraplık üzüm üreten üreticilere ait bağlardan temin edilmiştir.
Sürgünlerin kesme özelliklerinin belirlenmesinde, Llyod LRX plus, 5000 N
kapasiteli biyolojik malzeme test cihazı kullanılmıştır. Elde edilen sonuçlara
göre, bitkinin kesme özelliklerinin sürgün kesit alanıyla doğrudan ilişkili
olduğunu gözlenmiştir. Kesilen sürgünlerin çaplarının aynı olsa bile kesme
özellikleri bakımından çeşitler arasında önemli farklılıklar ortaya çıkmıştır.
Çapa bağlı olarak elde edilen maksimum kesilme kuvveti değerleri yabancı üzüm
çeşitlerinde elde edilirken, en düşük değerler ise yerli şaraplık üzüm
çeşitlerinde saptanmıştır. Yabancı çeşitler için elde edilen en yüksek kesme
değerleri ise sırasıyla Cabernet Franc, Shiraz, Cabernet Sauvignon, Chardonnay,
Merlot ve Tannat çeşidinde elde edilmiştir. Araştırma sonuçlarına göre maksimum
kesme kuvveti 2084 N ve kesme enerjisi 662 Ncm olarak  % 42 Nem içeriğinde, 10 mm sürgün çapında
Cabernet Franc çeşidinde bulunurken, aynı sürgün çapında en düşük kesme kuvveti
1595 N ve kesme enerjisi 531 Ncm olarak Tannat çeşidinde elde edilmiştir.
Dolaysıyla bir budama veya kesme makinasının tasarımında ve imalatında
çeşitlerin bu kesme özellikleri önemli bir etkiye sahiptir. Bu nedenle, budama
ve benzeri kesme işlerinde kullanılacak bir makina tasarımında mutlaka üzüm
çeşidinin kesme özellikleri dikkate alınmalıdır. Bu da makina imalatçılarının
bir yandan daha modern budama makinalarının imalatının yapılmasına yapmasına
olanak sağlayacaktır.
Baharatlık Kırmızı Biber (Maraş Biberi) Üretiminin Ekonomik Analizi
Authors: AYTOP Yeşim , AKBAY Cuma
Published: October 2018

Bu
araştırmanın amacı Maraş Biberi üretiminde kullanılan fiziki üretim
girdilerinin, maliyetin ve karlılığın belirlenmesidir. Araştırmanın ana
materyalini oransal örnekleme yöntemine göre belirlenmiş Gaziantep,
Kahramanmaraş ve Kilis illerindeki 156 Maraş Biberi üreticisi ile yapılan
anketlerden elde edilen veriler oluşturmaktadır. Verilerin analizinde
tanımlayıcı istatistikler, ANOVA testi ve tek ürün bütçe analizinden
yararlanılmıştır. Araştırma bulgularına göre ortalama 40.88 da alanda Maraş
Biberi üretimi yapılmaktadır. Üretimden elde edilen ortalama verim 1558.01 kg/da,
1 kg Maraş Biberinin maliyeti ise ortalama 1.24 TL’dir. Maraş Biberi’nin
ortalama satış fiyatı 1.56 TL/kg, kilogram başına sağlanan kar marjı 0.32,
dekara düşen gayrisafi üretim değeri 2430.50 TL, brüt kar ise 758.56 TL’dir.
Maraş Biberi üretiminde oransal kar 1.26 olarak bulunmuştur. Maraş Biberi
üretiminde yapılan 1 TL’lik masrafa karşılık 1.26 TL kar elde edilmiştir.
Araştırma sonuçları Gıda, Tarım ve Hayvancılık Bakanlığı, tohum ve ilaç
sektörlerine, konu ile ilgili diğer paydaşlar ve karar vericilere ışık tutacak
ve politikalar geliştirmesinde önemli katkılar sağlayacaktır.
Bartın Koşullarında Tritikale Çeşitlerinin Yem Verim Potansiyellerinin Değerlendirilmesi
Authors: GENÇ LERMİ Ayşe , PALTA Şahin
Published: October 2018

Bu araştırma Bartın ilinde farklı tritikale
çeşitlerinin yem verim potansiyelini belirlemek amacı ile iki yıl süre ile
yürütülmüştür. Araştırma tesadüf blokları deneme deseninde üç tekerrülü olarak
kurulmuştur. Denemede materyal olarak Tatlıcak 97, Melez 2001, Mikham 2002,
Karma 2000 ve Presto çeşitleri kullanılmıştır. Bitkiler süt olum-hamur olum
döneminde iken hasat yapılmıştır. Araştırma sonuçlarına göre incelenen
özellikler bakımından en yüksek değerler Presto çeşidinden elde edilmiştir. İki
yılın birleştirilmiş analizine göre en yüksek yeşil ot verimi, kuru madde verimi
ve ham protein verimi sırasıyla 2926.7 kg da-1,  1381 kg da-1 ve 148.9 kg da-1
olarak Presto çeşidinden elde edilmiştir. En yüksek ham protein oranı %11 ile
Karma 2000 çeşidinden elde edilmiştir. Tritikale çeşitlerinin bölgeye
adaptasyonun iyi olduğu ve yem verimlerinin tatminkâr olduğu sonucuna
varılmıştır. Bölgede fazla tanınmayan tritikale bitkisinin tarımının
yaygınlaştırılması gerektiği düşünülmektedir.
Çanakkale Gökçeada'da Yetiştirilen Kalabaki Üzümünün Tane Yüzeyindeki Maya Çeşitliliğinin Tanımlanması ve Karakterizasyonu
Authors: TURGUT GENÇ Tülay , ÇAKALOĞLU Çağla
Published: October 2018

Üzümlerin olgunlaşmasında,
tatlanmasında, şeker içeriğinin oluşmasında ve birçok fermente ürünün elde
edilmesinde maya türlerinin önemli görevleri bulunmaktadır. Bağ alanının
coğrafik konumuna ve üzüm çeşidine göre üzüm yüzeyinin maya çeşitliliği
değişkendir. Çanakkale ilinin Gökçeada ilçesinde yetiştirilen Kalabaki üzümünün
barındırdığı maya çeşitliliği rDNA
gen bölgelerinin (ITS1-5.8S-ITS2) PCR-RFLP ve DNA dizi analizleri
yapılarak belirlendi. Tanımlanan maya türlerinden H. uvarum maya türünün maya
mikrobiyotasının yarısına hâkim olduğu, diğer maya türlerinin üzüm yüzeyinde
dağılımlarının ise %17,7 A. pullulans, %11,76 C. carpophila, %5,88 M. pulcherrima,
%5,88 S. bacillaris, %5,88 S. salmonicolor, %2,94
C. apicola ve %2,94 Z. obscura
olduğu tespit edildi. Çalışmamız ile Z.
obscura maya türü ilk
defa, C. carpophila maya türü ise ikinci kez üzüm yüzeyinde tanımlandı.
Kalabaki üzümünün tane yüzeyinde maya çeşitliliği fazla olmamakla beraber
değişken türleri barındırdığı belirlendi.
Türkiye'de Ticari Fasulye (Phaseolus vulgaris L.) Çeşitlerinde Bean common mosaic virus ve Bean common mosaic necrosis virus Etmenlerine Dayanıklılıkla İlişkili Genlerin Karakterizasyonu
Authors: YEKEN Mehmet Zahit , ÖZER Göksel , ÇELİK Ali , ÇİFTÇİ Vahdettin
Published: October 2018

Ülkemizde önemli bir üretim
potansiyeline sahip olan fasulyede Bean
common mosaic virus (BCMV), Bean
common mosaic necrosis virus
(BCMNV) viral hastalık etmenleri önemli verim kayıplarına yol açmaktadır. Son
yıllarda yaygınlaşan moleküler markörler yardımıyla dayanıklılık genlerinin
tespiti çalışmaları virüs inokulasyonu gerekmeksizin bitkilerde söz konusu
genlerin belirlenebilmesini mümkün kılmaktadır. Bu çalışmada ülkemizde yer alan
43 tescilli fasulye çeşidinde BCMV ve BCMNV virüslerine karşı muhtemel
dayanıklılık 3 farklı gen (bc-12, I, bc-3)
ile ilişkili 4 farklı markör (SBD-5, SW-13, ROC11/420-350, eIFE4) yardımıyla incelenmiştir. Elde edilen verilere göre 43
fasulye çeşidinin BCMV ve BCMNV etmenlerine karşı dayanıklılıkta rol oynayan
bazı genlere sahip olduğu belirlenmiştir. Elde edilen markör destekli tarama
sonuçlarının virüs inokulasyonu ve patojenisite çalışmaları ile desteklenmesi
öngörülmüştür. Söz konusu markörler yardımıyla yerel fasulye çeşitlerinin ve
çeşit tescil adaylarının virüslere dayanıklılık genleri değerlendirilerek
tescil özelliklerinin güçlendirilebileceği düşünülmektedir.
Effects of Post-Harvest UV-C and Hot Water Treatments on Quality Attributes of ‘0900 Ziraat’ Cherries throughout the Cold Storage in Modified Atmosphere Packages
Authors: ÇAVUŞOĞLU Şeyda , TEKİN Onur , BAHAR Aşkın , ERCİŞLİ Sezai , ÖZRENK Koray , DURMAZ Nevzat
Published: October 2018

In this study, effects of
post-harvest UV-C, Hot Water and UV-C + Hot Water treatments on quality
attributes and especially on phenolics of ‘0900 Ziraat’ cherries grown under
Mersin Taurus Mountains conditions throughout the cold storage were
investigated. For this purpose, before to store, cherry fruits were subjected
to UV-C treatments for 5 minutes and Hot Water treatments at 50 °C for 1
minute. The fruits harvested at full-ripe period were then stored in modified
atmosphere packages (MAP) (Xtend®) for 20 days at 0 oC temperature
and 90±5% relative humidity. Throughout the storage period, weight loss, skin
color, suspended solids content, titratable acidity, total phenolics and
antioxidant analyses were performed in every 4th day of storage (0,
4, 8, 12, 16 and 20th days).Effects of experimental treatments on
phenolics were investigated in detail. Present findings revealed that UV-C +
Hot Water treatments without any chemicals better preserved the quality
attributes and significantly restricted the losses in protocatechic acid,
chlorogenic acid and q-coumaric acid contents.
Quality and antioxidant properties of whole and fresh cut 'Cherry' peppers during storage at 10 °C
Authors: Avalos Llano Karina R. , Sgroppo Sonia C. , Chaves Alicia R.
Published: October 2018

Se estudiaron los cambios de calidad y propiedades antioxidantes de pimientos (Capsicum annuum, L. cv ‘Cherry’) enteros y descorazonados, conservados a 10ºC durante 10 días en bandejas PET cubiertas con film de PVC. Durante ese periodo se evaluó la apariencia general, color, actividad respiratoria, contenido de azúcares totales y firmeza de los frutos, así como también las modificaciones en el contenido de carotenoides y fenoles totales, ácido ascórbico y capacidad antioxidante. Inmediatamente después del corte y a lo largo del almacenamiento, se notó un incremento de la actividad respiratoria. El color superficial prácticamente no varió y no se observaron diferencias significativas entre frutos enteros y descorazonados en la firmeza, contenido de azúcares totales y carotenoides. En pimientos enteros y descorazonados los contenidos de fenoles totales, ácido ascórbico y capacidad antioxidante, no variaron notoriamente durante el almacenamiento. Sin embargo, al finalizar la experiencia (10 días), los frutos enteros presentaron una apariencia general buena y mayor calidad global que los pimientos descorazonados. Los resultados sugieren que el pimiento Cherry podría comercializarse como pimiento fresco cortado en la forma descorazonada, aunque debería almacenarse por sólo 6-7 días a 10ºC.
Female Sexual Functioning, Self-genital Image and Sexual Anxiety: Mediating Role of Awareness the Moment
Authors: Najarpourian Samaneh , Samavi S. Abdolvahab , dastbas Homa
Published: October 2018

In recent years, female sexuality has been
considered an important component of woman's health, that it may be related to
various factors. The aim of this study was test a model of awareness the moment
as a mediator of the relationship between sexual anxiety and genital self-image
to sexual function. We collected data from 300 heterosexual women that
completed the Female Sexual Function Index (FSFI), the Five Fact Mindfulness
Questionnaire (FFMQ), the Multidimensional Sexual Self- Concept Questionnaire (MSSCQ),
and the Female Genital Self- Image scale (FGSI). Structural equation modeling
was used. The findings showed that there was a significant relationship between
the genital self- image and the sexual function, and between the sexual anxiety
and sexual function. Also, the genital self- image and sexual anxiety had
relationship with the awareness the moment separately. Structural equation
model revealed a significant relationship between the genital self- image with
sexual function through the awareness the moment; and between the sexual
anxiety and sexual function through the awareness the moment. Therefore, the
better sexual function can occur by more positive genital self- image. Also, we
found awareness the moment can mediate the relationship between sexual anxiety
and sexual function.
Structural characterization and decontamination of dental calculus for ancient starch research
Authors: Soto Maria , Inwood Jamie , Clarke Siobhan , Crowther Alison , Covelli Danielle , Favreau Julien , Itambu Makarius , Larter Steve , Lee Patrick , Lozano Marina , Maley Jason , Mwambwiga Aloyce , Patalano Robert , Sammynaiken Ramaswami , Verges Josep M. , Zhu Jianfeng , Mercader Julio
Published: October 2018

Ancient dental calculus research currently relies on destructive techniques whereby archaeological specimens are broken down to determine their contents. Two strategies that could partly remediate a permanent loss of the original sample and enhance future analysis and reproducibility include: 1) structural surface characterization through spectroscopy along with crystallographic and spectroscopic analysis of its molecular structure, and 2) surface decontamination protocols in which the efficacy of cleaning dental calculus prior to extraction is demonstrated. Dental calculus provides ancient starch research a niche where granules may be adsorbed to minerals, coated, overgrown, entrapped, and/or protected from chemical degradation. While encapsulation offers protection from degradation, it does not shield the sample’s surface from contamination. The most common approach to retrieving microbotanical particles from archaeological calculus has been the direct decalcification of the sample, after a cleaning stage variously consisting of immersion in water, acids, and mechanical dislodgment via gas, sonication, and/or toothbrushes. Little is known about the efficiency of these methods for a complete removal of sediment/soil and unrelated microbotanical matter. In this paper, controlled laboratory experimentation leads to chemical structural characterization and a decontamination protocol to eradicate starch granules. Several concentrations of acids, bases, and enzymes were tested at intervals to understand their potential to gelatinize and fully destroy starch granules; arriving at a procedure that effectively eradicates modern starch prior to dissolution without damaging the matrix or entrapped starch microremains. This is the first attempt at creating synthetic calculus to understand and systematically test effective decontamination protocols for ancient starch research.
Perbandingan Bahasa Minangkabau, Kerinci, dan Mentawai: Suatu Tinjauan Linguistik Historis Komparatif
Authors: Ermanto Ermanto , Emidar
Published: October 2018

Artikel ini b ertujuan untuk menjelaskan tingkat kekerabatan bahasa Minangkabau, bahasa Kerinci, dan bahasa Mentawai di Sumatera Bagian Tengah.
PERSPEKTIF MORFOLOGI DERIVASIONAL DAN INFLEKSIONAL PADA VERBA BERAFIKS BAHASA INDONESIA
Authors: Ermanto Ermanto
Published: October 2018

In many languages in the world, there are two tendencies of word formation: (1) word formation which changes the lexical identity (derivation), and (2) word formation which keeps the lexical identity (inflection). The morphology process in verbs in Indonesian is divided into affixational derivation, inflectional derivation. The affixational derivation process which derive the verb lexemes uses deriva- tional affixes, meanwhile the affixational inflection process which derive the word forms (grammatical words) uses inflection affixes. The function of derivational affix is to derive the intransitive verbs and/or to derive the transitive verbs. The function of inflectional affix is to derive the grammatical words.
Afiks Derivasi Per-/-An dalam Bahasa Indonesia: Tinjauan dari Perspektif Morfologi Derivasi dan Infleksi
Authors: Ermanto Ermanto , Emidar
Published: October 2018

Abstract: This article aims to reveal the affixation process using derivational affix per-/-an on Indonesian derived nouns based on the theory of derivational and inflectional morphology. This research was a qualitative research method by using the theory of structural linguistics and case grammar. The object of the research was a derivational affix per-/-an used on Indonesian derived nouns, and the data were sentences (utterances) whose nouns having the derivational affix per-/-an. The analysis method used was a distributional method. Viewed from the perspective of derivational and inflectional morphology, the affixation of the derivational affix per-/-an on the verbs (both base verbs and derived verbs) and on the noun can produce (1) behavioral nouns, (2) Action nouns, (3) actional instrumental nouns, (4) behavioral instrumental nouns, (5) behavioral locative noun, (6) process nouns, (7) collective nouns, (8) abstract nouns.
EFEKTIVITAS PENERAPAN METODE PEMBELAJARAN KOOPERATIF TIPE JIGSAW DIPADUKAN DENGAN MIND MAP PADA MATA PELAJARAN EKONOMI SMA KELAS X SMA PEMBANGUNAN PADANG
Authors: siwi menik kurnia , Murniati
Published: October 2018

Penelitian ini bertujuan untuk mengetahui: (1) penerapan metode jigsaw dipadukan dengan metode mind map untuk meningkatkan hasil belajar ekonomi siswa kelas X SMA Pembangunan Padang, dan (2) Seberapa besar peningkatan hasil belajar siswa setelah mendapat metode pembelajaran jigsaw dipadukan dengan mind map. Jenis Penelitian ini merupakan penelitian tindakan kelas (PTK). Pengumpulan data dilakukan dengan tes. Teknik analisis data dilakukan secara kualitatif. Subjek penelitian ini adalah siswa kelas X SMA Pembangunan Padang. Hasil penelitian: (1) hasil prestasi siswa dari prasiklus sampai siklus II banyak mengalami kenaikan hasil prestasi belajar ekonomi siswa kelas X IIS 3 SMA Pembangunan Padang.(2) Hasil belajar siklus I menunjukkan bahwa masih banyak siswa yang belum memperoleh nilai di atas standard kelulusan minimal. Dari 36 siswa, 18 (48,5%) siswa belum memenuhi SKM dan 17 (51,5%) siswa yang sudah mampu memenuhi SKM dengan nilai rata-rata kelas 61,11. Hasil belajar siswa pada siklus II lebih baik daripada siklus I. dari 36 siswa 31 siswa sudah mampu memenuhi SKM dan 5 orang siswa masih dibawah SKM, sehingga rata-rata kelas 83,8 dengan ketuntasan sebesar 85,7%.
Laird v. Tatum and Article III Standing in Surveillance Cases
Authors: Vagle Jeffrey
Published: October 2018

Plaintiffs seeking to challenge government surveillance programs have faced long odds in federal courts, due mainly to a line of Supreme Court cases that have set a very high bar to Article III standing in these cases. The origins of this jurisprudence can be directly traced to Laird v. Tatum, a 1972 case where the Supreme Court considered the question of who could sue the government over a surveillance program, holding in a 5-4 decision that chilling effects arising “merely from the individual’s knowledge” of likely government surveillance did not constitute adequate injury to meet Article III standing requirements.
Influence of content and intensity of thought on behavioral and pupil changes during active mind wandering, off focus and on-task states
Authors: Jubera-Garcia Esperanza , gevers wim , Van Opstal Filip
Published: October 2018

Mind wandering (MW) is a pervasive phenomenon that occurs very frequently regardless of the task. A content-based definition of MW holds that MW occurs when the content of thought switches from an on-going task and/or external stimulus-driven event to self-generated or inner thoughts. A recent account suggests that the transition between these different states of attention occurs via an off-focus state. Following this suggestion, previous work relating MW to pupil size might have lumped attentional states that are critically different from each (i.e., an off-focus and a MW state). In the current study, both behavior and pupil size were measured during a Sustained Attention to Response Task (SART) to disentangle the content of thought (on-task or MW) from an off-focus state of mind. The off-focus state was operationalized by probing the intensity with which participants were on-task or MW. Results of two experiments showed that the behavioral and phasic pupillary responses were sensitive to changes related to the content of thought. Behavioral responses were furthermore related to the intensity of the thought. However, no clear relation between the different attentional states and the tonic pupillary diameter was found suggesting it is an unreliable proxy for MW.
Object-based attention shifts are driven by target location, not object placement
Authors: Barnas Adam J. , Greenberg Adam
Published: October 2018

Object-based attention (OBA) enhances processing within an attended object. We previously found that attention shifts that crossed the visual field meridians were faster horizontally than vertically, which we named a Shift Direction Anisotropy (SDA). We aimed to determine whether the SDA depends upon attention shift meridian crossings of object boundaries, target locations, or both. Participants viewed an ‘L’-shaped object and responded to a target at the cued vertex location (valid) or at non-cued object locations offset horizontally (invalid-horizontal) or vertically (invalid-vertical). In Experiment 1, object boundaries and target locations were positioned either crossing or not crossing the meridians. In Experiments 2A and 2B, object boundaries were held constant (always crossing or never crossing the meridians, respectively) while target locations were manipulated (randomly crossing or non-crossing). In Experiments 3A and 3B, target locations were held constant while object boundaries were manipulated. In Experiment 4, the object was removed to determine whether object-based or space-based attentional resources were being deployed. The SDA emerged only when target locations necessitated shifts that crossed the meridians, regardless of object placement, demonstrating that the SDA is driven by target location relative to the meridians and that OBA processes prioritize specific target locations within an object.
Is English Medium Meaningful in Pre-Primary Level in Nepal?
Authors: Miya Farmud
Published: October 2018

Language is a means for communication. It also helps children in their cognitive development. Intellectual (cognitive) development, the emergence of increasingly sophisticated forms or levels of understanding, reasoning, and rationality is an ongoing process of reflection, coordination, and social interaction that begins in early childhood and continues, at least in some cases, long into adulthood (Moshman, 2003).it is also regarded that whatever the children build their concept about the society in their early childhood remains throughout their life. In this process language has pivotal role. However, it is not to say that thinking (as an intellectual ability) cannot take place without language (Munn, 1951) but rather mostly, thinking is mediated by language and thus develops to a higher level of sophistication. This article focuses on the important contribution of mother tongue in the process of cognitive development and raises questions against the local decisions of using English medium in pre-primary level.
Riemann Integral: Significance and Limitations
Authors: Kunwar Laxman Bahadur
Published: October 2018

This article basically defines the Riemann integral starting with the definition of partition of a closed interval. It throws a light on the importance and necessity of the Riemann condition of integralbility of a function and explains how the concept of R- integral only on the basis of upper and lower integral is not always practical. It has been suggested that a better rout is to abandon the Reimann integral for Lebesgue integral in real analysis and other fields of mathematical science.