منابع مشابه
Impacto Da Biotecnologia Na
Biodiversidade pode ser definida como o conjunto de todos os seres vivos em um ecossistema, em uma região ou em toda a Terra. O valor intrínseco das espécies e dos ecossistemas vai além de seu valor como matéria-prima para o desenvolvimento dos produtos. A biodiversidade possui valor econômico, social, recreativo, cultural e estético. A biodiversidade hoje existente é o resultado da evolução du...
متن کاملA 200-kV STEM/SEM Produces 1 Å SEM Resolution
Introduction “Second best no more” was the title of an article written by David C. Joy for Nature Materials [1]. The article was for highlighting a breakthrough made by a team formed between Brookhaven National Laboratory (BNL, USA) and Hitachi High Technologies Corporation (HHT, Japan). Sub-angstrom secondary electron (SE) images were obtained on a Hitachi HD-2700, which is a combined scanning...
متن کاملTETRAD and SEM.
The authors have given us a lucid, concise, and accurate account of the TETRAD project, an account likely to clear much of the confusion over the philosophy of graph-based causal discovery methods. As one who has been active in the exploration and formulation of this philosophy, I am very pleased to see TETRAD arrive at this stage of development and now presented as a practical modeling tool fo...
متن کاملSem/eds Theoretical Stuff
Silicone based oil is heated in the boiler of the diffusion pump and the vaporized oil rises in the central tower and streams out of directional flutes directed downward in the pump throat. This allows air molecules to dissolve in the gaseous oil (gas dissolved in gas). As the oil-air mixture cools (due to water cooling coils wrapped around the pump throat) the oil condenses and returns to liqu...
متن کاملThe SEM-FIB Workbench
The Nanorobotics series developed by Klocke Nanotechnik extend Scanning Electron or Ion Microscopes to material processing systems. The included automation allows the whole field of handling, assembly and manufacturing like known from a normal desktop system – now with nano-precision, including various kinds of image generation by using different sensors. Applications are in the field of Materi...
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ژورنال
عنوان ژورنال: Novos Estudos - CEBRAP
سال: 2007
ISSN: 0101-3300
DOI: 10.1590/s0101-33002007000200001