Mesin Referensi Akademik

Numerical study of a Saharan dust plume impact on radiation, urban climate and thermal comfort in the Paris region during an heatwave event

J. Bernard; T. Nagel; V. Masson; A. Lemonsu; J. Wurtz; P. Tulet; Q. Rodier · DOAJ Open Access Articles

In Europe, heatwave conditions associated with southern synoptic flows can sometimes be combined with episodes of dust plumes coming from the Saharan desert. Change in the atmospheric composition of aerosols alters the radiation observed near the ground, resulting in impacts on other variables such as air temperature. This study focuses on the heatwave exper…

Stratospheric ozone projections under sulfur-based stratospheric aerosol injection: Insights from the multi-model G6-1.5K-SAI experiment

E. M. Bednarz; A. H. Butler; J. M. Haywood; M. Henry; A. Jones; B. Kravitz; W. R. Lee; D. G. MacMartin; A. C. Maycock; T. Sekiya; S. Watanabe; D. Visioni · DOAJ Open Access Articles

Owing to the crucial role of stratospheric ozone in shielding the Earth from harmful solar ultraviolet radiation, impacts of human activities on the ozone layer remain of interest. Here we provide an assessment of the potential impacts of Stratospheric Aerosol Injection (SAI), a proposed method to temporarily offset global warming, on stratospheric ozone pro…

Rancang Bangun Otomatisasi Pemberian Pakan Dan Pengaturan pH Air Pada Sirkulasi Tambak Udang Berbasis ATMega32

Simbolon, Risma Khoiriah · Repository UIN Sumatera Utara

Telah dilakukan penelitian rancang bangun otomatisasi pemberian pakan dan pengaturan pH air pada sirkulasi tambak udang berbasis ATMega32. Penelitian ini menggunakan ATMega32 sebagai perancangan sistem. Pengaturan pH air menggunakan pompa peristaltik untuk mengalirkan air yang berisi larutan buffer, jika sensor mengukur pH tidak normal maka pompa aktif. …

Analisis Spektrum Sinyal Gempa Vulkano-Tektonik (VT-A dan VT-B) Di Gunung Kelud

Lubis, Lailatul Husna Br. · Repository UIN Sumatera Utara

Gempa vulkanik merupakan salah satu indikator yang menggambarkan proses naiknya magma ke puncak gunung api. Dalam istilah kegunungapian, gempa tektonik yang terjadi di sekitar gunung api disebut sebagai gempa vulkano-tektonik. Jika dilihat dari bentuk sinyalnya, maka bentuk sinyal vulkano tektonik A dan B memiliki kemiripan, dan hanya bisa dibedakan ketika …

Analisis cluster dengan menggunakan metode hierarki untuk pengelompokan kecamatan di kabupaten Langkat berdasarkan indikator kesehatan

Nisa, Khairun · Repository UIN Sumatera Utara

Cluster analysis is a method used to group objects based on similarity of characteristics they have. Cluster analysis using the hierarchy method is a method with a grouping process that is used in stages. Health is a condition where a person is not sick, has no complaints, and can carry out daily activities. To find out information about the level of health …

Rancang Bangun Sistem Keamanan Dapur Berbasis Mikrokontroler Atmega32 Menggunakan Flame Sensor, Mq-2, Dan Mq-6

Z.A., Aulia Khusnul Arif · Repository UIN Sumatera Utara

Dapur menjadi salah satu tempat yang paling dikhawatirkan oleh setiap masyarakat dikarenakan potensi kebakaran terbesar di dalam rumah itu terletak pada dapur, sumber api yang sering mengakibatkan kebakaran di dalam dapur adalah kompor dan gas. Oleh sebab itu dibutuhkan suatu rancang bangun sistem keamanan dapur berbasis mikrokontroler ATmega32 menggunakan f…

Penentuan Daerah Potensi Geothermal Dengan Menggunakan Metode Seismik Di Madina

Nasution, Nazaruddin · Repository UIN Sumatera Utara

Wilayah Kecamatan Puncak Sorik Marapi merupakan daerah dataran tinggi yang terletak 2.145 mdpl pada koordinat 0°41' 11" LS and 99° 32' 13" BT, dalam kawasan yang di teliti merupakan kawasan puncak yang masih di katakan relatif datar dan bisa di guanakan sebagai daerah pebangkit listrik. Berdasarkan hal ini maka perlu dilaksanakan penelitian tentang struktur …

Pengaruh pembelajaran kooperatif tipe TPS (Think-Pair-Share) terhadap hasil belajar siswa pada pokok bahasan gerak lurus di kelas X semester I SMA Laksamana Martadinata Medan tahun Pembelajaran 2016/2017

Jumiati, Ety · Repository UIN Sumatera Utara

PREPARATION OF COMPUTER ANIMATION MODEL FOR LEARNING ELECTRICAL MAGNETIC II PHYSICAL EDUCATION PROGRAM STUDENTS SEMESTER IV TEACHER TRAINING AND EDUCATION FACULTY SARJANAWIYATA TAMANSISWA UNIVERSITY 2014

Sunarto · Universitas Negeri Yogyakarta

The experiment was conducted with the purpose : (1) to obtain the product models of learning computer animation physics electricity magnetism two physical education programs for students of fourth semester, and (2) to determine the effectiveness of learning outcomes using computer models animation the magnetic power of two courses in four semesters stude…

CONTEXTUAL TEACHING AND LEARNING (CTL) DALAM PEMBELAJARAN SAINS-FISIKA SMP

Wasis, M.Si · Universitas Negeri Yogyakarta

Any educational process implied by contextual teaching and learning (CTL) aims at helping students’ comprehension of the academic materials they are studying by connecting academic subjects with the contexts of their daily life. The present article is based on a research which developed a set of instructional materials to help teachers and their students ach…

DEVELOPING INTEGRATED SCIENCE-BASED SCIENCE PRACTICAL GUIDE 2 TO IMPROVE THE CREATIVITY OF THE STUDENTS OF SCIENCE EDUCATION STUDY PROGRAM

Purwanti Widhy H, M.Pd, - · Universitas Negeri Yogyakarta

This study aims at developing an Integrated Science-Based Science Practical Guide 2 for the students of Science Education Study Program; determining the improvement of the creativity of the students of Science Education Study Program after using the developed practical guide. The research method was Research and Development known as the Four D Model. Define …

THE INTEGRATION OF HISTORY, TECHNOLOGY, ENGINEERING, ART, AND SCIENCE INTO TRIGONOMETRY OF SENIOR HIGH/VOCATIONAL MIDDLE SCHOOL

F. Vhantoria, Ningrum; Purna, Bayu Nugroho; Ika, Wulandari · Universitas Negeri Yogyakarta

The 2013 curriculum contains the accomplishment of learning mindset: student-oriented learning that is active, interactive, networking learning pattern, team-based, using multimedia, corresponding to the characteristics of students, multidisciplinary, and critical. Such the mindset is implemented to the learning process corresponding to the standard process…

Kemampuan Konsep dan Analisis Ilmiah Mahasiswa Pendidikan Fisika (Analisis Fenomenografi)

Dian, Artha K; Ahmad, Hinduan · Universitas Negeri Yogyakarta

The aim of this research entitled ”Concept and Analitical Scientivic Ability of Physical Evidence of Student of Physics Teacher Candidate” is to know how teacher candidate educating Institution to prepare its student with physiccal evidence concept and analitical scientitia ability. Phenomenography analysis has been used in this research. The Object of t…

PENDIDIKAN LINGKUNGAN HIDUP TENTANG BAHAYA POLUTAN UDARA

Indyah Sulistyo Arty, Dr. · Universitas Negeri Yogyakarta

Approached science technology society and environment has been used in curricullum 2004, with emphesized on student competency, while environmental education is not included in this curriculum. Environmental Education concerning with environmental issue is suitable integrated in science subject especially biology, chemistry, physics, and geography and help s…

APPLICATION OF PROJECT BASED LEARNING MODEL TO IMPROVE SCIENCE PROCESS SKILLS AND UNDERSTANDING CONCEPT OF FLUID STUDENTS GRADE X MIPA 2 SMA NEGERI 1 KALASAN

Friska, Zhian · Universitas Negeri Yogyakarta

The research purposes are (1) to describe step learning fluid with project based learning which can improve science process skills and understanding physics conceptual (2) to describe science process skills with project based learning model on fluid matter (3) to describe conceptual with application project based learning model on fluid matter. The res…

Kant on teaching philosophy

MacDonald Ross, G. · White Rose Research Online

[Introduction] In 1765, Kant issued an Advertisement for the four lecture courses he would be delivering in the winter semester of 1765/66, on Metaphysics, Logic, Ethics, and Physical Geography (Kant 1905). Instead of merely outlining the course syllabuses, Kant prefaced the document with what would nowadays be called a ‘statement of teaching philoso…

The Impact of a Science Qualification Emphasising Scientific Literacy on Post-compulsory Science Participation: An analysis using national data

Homer, MS; Ryder, J · White Rose Research Online

In 2006 in England an innovative suite of science qualifications for 14-16 year olds called Twenty First Century Science (21CS) was introduced. These particular qualifications have a strong focus on developing scientific literacy in all students whilst simultaneously providing preparation for the study of post-compulsory science for a smaller proportion of …

ANALYSIS OF STUDENT’S MISCONCEPTIONS ON BASIC CONCEPTS OF NATURAL SCIENCE THROUGH CRI (CERTAINLY OF RESPONSE INDEX), CLINICAL INTERVIEW AND CONCEPT MAP

Zulfiani, Zulfiani; Nengsih, Juanengsih; Iwan Permana, Suwarna; Burhanudin, Milama · Universitas Negeri Yogyakarta

The study is a descriptive study aims to investigate student’s misconceptions in basic concepts of natural science through CRI (Certainly of Response Index), clinical interview and concept map. The basic concepts of natural science consist of concepts of Biology including cell concept and cell division, cellular respiration, photosynthesis, and heredity;…

Kant on teaching philosophy

MacDonald Ross, G. · White Rose Research Online

[Introduction] In 1765, Kant issued an Advertisement for the four lecture courses he would be delivering in the winter semester of 1765/66, on Metaphysics, Logic, Ethics, and Physical Geography (Kant 1905). Instead of merely outlining the course syllabuses, Kant prefaced the document with what would nowadays be called a ‘statement of teaching philoso…

TEST ITEM ANALYSIS PROGRAM DEVELOPMENT WITH RASCH MODEL ONE PARAMETER FOR TESTING THE ITEM DIFFICULTY LEVEL OF MULTIPLE-CHOICE TEST USING BLOODSHED DEV C ++ APPLICATIONS

Dadan, Rosana; Otok, Ewi Amsirta · Universitas Negeri Yogyakarta

This article was made in Item Response Theory lecture to improve the ability of students to learn the application of the theory of grain analyst using the model of Rasch model. This article is aimed to get a test item analysis program with Rasch model one parameter for testing the item difficulty level of multiple-choice test and to determine the distrib…