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All Journal Journal of Engineering and Technological Sciences International Journal Pedagogy of Social Studies
Kania Dewi, Kania
Air and Waste Management Research Group, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Jalan Ganesha No. 10, Bandung 40132
Engineering Social Sciences

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Development of Green Pavement for Reducing Oxides of Nitrogen (NOx) in the Ambient Air Dewi, Kania; Khair, Hafizhul; Irsyad, Moh.
Journal of Engineering and Technological Sciences Vol 48, No 2 (2016)
Publisher : ITB Journal Publisher, LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (464.871 KB) | DOI: 10.5614/j.eng.technol.sci.2016.48.2.3

Abstract

The transportation sector is the biggest contributor to air pollution in Indonesia, especially in metropolitan cities. Gases such as oxides of nitrogen (NOx) are produced during the combustion of fossil fuels in the internal combustion of vehicle engines. Oxides of nitrogen such as nitric oxide (NO) and nitrogen dioxide (NO2) are important air pollutants, because they cause significant harm to human health and play an important role in being precursors of other dangerous pollutants such as photochemical smog. One of the simple ways to reduce NOx concentrations is utilizing a catalytic process involving UV light and semiconductor particles such as TiO2. Illuminated TiO2 UV light is capable of producing an electron (e-) and hole (h-) pair, which initiates a chemical reaction that alters the NOx to become NO3- or NO2-. A field scale paving block reactor coated with TiO2 placed by the roadside was exposed to UV light using various exposure times. The results showed that the sample with a composition of 200 g/m2 TiO2 was capable of adsorbing NOx gas at an average rate of 0.0046 mg/m2/minute. Additional costs due to TiO2 coating for every square meter of paving are IDR 13,180.
IMPROVED INTERPERSONAL INTELLIGENCE MODEL STUDENTS THROUGH COOPERATIVE LEARNING (TYPE two stay two stray) IN LEARNING IPS (Classroom Action Research in Class VIII C SMP Negeri 45 Bandung) Dewi, Kania
International Journal Pedagogy of Social Studies Vol 2, No 2 (2017): Research Social Studies
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijposs.v2i2.10168

Abstract

Abstract-This research is supported by low interpersonal intelligence of learners on IPS learning in class VIII C SMP Negeri 45 Bandung. This can be seen from the still low empathy, prosocial, low self-awareness as a member of the group, social ethics of learners, problem-solving skills and effective communication skills of learners. Seeing the problem, the researcher chose Cooperative Learning Model Type Two Stay Two Stray (TSTS) as a solution to improve students' interpersonal intelligence. The purpose of this study is to describe the planning, implementation, obstacles and solutions and increase interpersonal intelligence. The type of research used is Class Action Research (PTK) Kemmis and Mc model. Taggart which consists of four stages. Stages of planning in this study include determining SK / KD and teaching materials, preparing RPP, Student Worksheet and create research instruments according to the needs of researchers. This research was conducted in three cycles and obtained the result of improvement of students' interpersonal intelligence in IPS learning. Increased interpersonal intelligence of learners is characterized by an increase that occurs in every aspect of the assessment of interpersonal intelligence. This proves cooperative learning model type two stay two stray (TSTS) can improve students' interpersonal intelligence.Keywords: Interpersonal Intelligence, Cooperative Learning Model type Two Stay Two Stray (TSTS).
Co-Authors Hafizhul Khair Moh. Irsyad, Moh.