h-BN inclusion in a β-Si3N4 grain
The micrograph shows h-BN inclusion (precipitate) in a β-Si3N4 grain (within a silicon nitride particulate-reinforced silicon carbide composite). The occurrence of BN inclusions results from the introduction of colloidal BN into the hot isostatic pressing process. They are formed from B2O3 present as a thin surface film on the BN particles in the barrier layer. B2O3 will be molten during the pressing process and will diffuse rapidly into the powder compact and react with Si3N4 to form BN. Such
21F.311 Introduction to French Culture (MIT)
Ce cours est une introduction à la culture et la société françaises depuis la Révolution, mais surtout à partir du Second Empire. Nous tacherons de cerner ce qui définit la singularité francaise dans une perspective historique. Nous commencerons avec la notion "d'exception francaise" et de ce qui la constitue depuis la Révolution (La République, L'Universalisme, La Laicité, etc.) Nous explorerons l'impact de l
8.231 Physics of Solids I (MIT)
This course offers an introduction to the basic concepts of the quantum theory of solids.
adler 090 c part 3 reuploaded
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Guidance for student projects
This learning resource is aimed at undergraduate biological sciences students completing a final year research project, but is also useful to other students and researchers running projects. Written in 2002 by John Finn and created by John Finn and Julian Park (both then at the University of Reading), it gives detailed guidance on aspects such as designing the project, analysing data and writing up the project in the correct format, including referencing and presenting data. Sections comprise:
Reflections and Rotations
This video teaches rules for reflections and rotations. Review of symmetry is provided in this clip.
The Social Robot
This 12 minute video is about robots, and robots created with human personality, to make interactions with them easier. They adopt cute faces or realistic faces with human emotions and the video looks at how they might be used in the future. A good starting point for a debate on what the use of robots might be in the future.
Ep.1, PBS Napoleon (To Destiny) Part 5
This excellent PBS series, filled with historical re-enactments and narrated by David McCullough, starts with Napoleon receiving the crown of France. This documentary is suitable for high school students.
Article :: Introducing ColdFusion
Before diving into ColdFusion and web-based applications, start with this introduction and see what lies behind this powerful language.
O Design de Informa??o na Web 2.0: A interface Resultante de uma Constru??o Coletiva [Design Informa
We will address the challenges of design information in designing interfaces and functional dynamics considering a content part of the collaboration of users whose commitment to the project reaches various levels. The use of a well-structured iconography and the availability of help, shortcuts and tutorials are some of the resources already exploited, however, there is still room for reflection on the use of visuals and sounds aimed at facilitating the navigability on such projects. Here are som
This project offers a simple introduction to the research process and obtaining learning resources on the net
ebp was developed by Chris Palmer
This content has the following license - Creative Commons Attribution-ShareAlike
Using Imagery to Find Lines of Symmetry
The video gives definition of line symmetry and asks students to identify it within several images. The line of symmetry is drawn on each image after it is shown with out so instructor can easily pause video to give students the opportunity to come up with their own solutions. (01:29)
How To Go To Confession
Reconciliation, or penance, is one of Catholicism's seven sacraments, and followers are expected to go to confession at least once a year. Rest assured that the priest, bound by the seal of confession, will not divulge your sins.