Nitrogen containing carbon aerogel was prepared from resorcinol-melamine-formaldehyde (R-M-F) polymer gel precursor. The polymer gel was supercritically dried with CO2, and the carbonization of the resulting polymer aerogel under nitrogen atmosphere at 900 °C yielded the carbon aerogel. The polymer and carbon aerogels were characterized with TG/DTA-MS, low temperature nitrogen adsorption/desorption (-196 °C), FTIR, Raman, powder XRD and SEM-EDX techniques. The thermal decomposition of the polymer aerogel had two major steps. The first step was at 150 °C, where the unreacted monomers and the residual solvent were released, and the second one at 300 °C, where the species belonging to the polymer network decomposition could be detected. The pyrolytic conversion of the polymer aerogel was successful, as 0.89 atomic% nitrogen was retained in the carbon matrix. The nitrogen doped carbon aerogel was amorphous and possessed a hierarchical porous structure. It had a significant specific surface area (890 m 2 g -1 ) and pore volume (4.7 cm 3 g -1 ). TG/DTA-MS measurement revealed that during storage in ambient conditions surface functional groups formed, which were released upon annealing.
Purpose: The primary purpose of the research is to pursue the international student's perception of the learning environment related to academic achievement in international universities to establish the elements of an educational culture that contribute to the academic achievement of international students. Research methodology: Numerous studies have been conducted over the last few decades to determine how students perceive their learning environment as reflected by their average level of academic achievement. The impact of international students from the Asian & African continent and their social, cultural, and educational experiences on their academic achievement was evaluated by reviewing global and local materials conducted at one Chinese university in Zhejiang province. This study commenced with a search of computerized educational, sociology, and psychology databases using the exploratory phase method. The materials for the review are divided into two sections: a synopsis of academic, social, and cultural consequences & a description and criticism of strategies for promoting international competitiveness and fostering intercultural understanding. Results: International students' perception of the learning environment has a significant impact on academic achievement at international foreign universities, and the findings of this study stimulate the researcher to emerge with new strategies that can heighten the performance of international students.
For many years, students with special needs have been a crucial topic in general education classrooms. These children are entitled to full access to all materials and social interactions available in a regular classroom. Many schools' ultimate goal is to construct a classroom with the fewest restrictions possible to satisfy all kids' needs, including those with special needs. Teachers want kids with special needs in their classrooms, according to studies, but they are ill-equipped to meet their educational demands. Teachers should be able to learn more about how to establish successful inclusion classrooms. As a result, the goal of this research is to address the many teaching techniques that instructors might employ to have a successful inclusive classroom. This study answered one research question: How do teachers ensure a child with a disability has a successful enrollment? A survey of academic literature and observations in two primary classes was used to obtain this research topic data. The findings of the study revealed that teachers who are informed about a range of teaching tactics include getting started and getting ready: When it comes to preparing for a student with a disability in class, it's all about the "right stuff." It's almost as if picking up a new language, but it fits right into any modern discussion of effective teaching and learning. Plans tailored to each child: This may not bother the teacher, but make sure that individual planning meetings, specialists, and consultants do not ask to undergo advanced therapies without providing practical support. A distinct set of instructions: collaboration with teaching assistants, and so on can help children with special needs succeed.
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