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E a vida continua
O livro é uma iniciativa da Regional 1 (R1) da Associação Brasileira de Ensino de Biologia. A obra reúne 54 trabalhos apresentados durante o V Encontro Regional de Ensino de Biologia da R1 (MT, MS e SP). Os textos refletem uma diversidade de abordagens e um constante fortalecimento do Ensino de Ciências e Biologia em nosso país.
E a vida continua
O livro é uma iniciativa da Regional 1 (R1) da Associação Brasileira de Ensino de Biologia. A obra reúne 54 trabalhos apresentados durante o V Encontro Regional de Ensino de Biologia da R1 (MT, MS e SP). Os textos refletem uma diversidade de abordagens e um constante fortalecimento do Ensino de Ciências e Biologia em nosso país.
Toolkit
This Toolkit was produced as part of the Food Wastage Footprint project of the Natural Resources Management and Environment Department
Família Junqueira
None
Quadrature RC−Oscillators
This book presents a tutorial review of van der Pol model, a universal oscillator model for the analysis of modern RC−oscillators in weak and strong nonlinear regimes. A detailed analysis of the injection locking in van der Pol oscillators is also presented. The relation between the van der Pol parameters and several circuit implementations in CMOS nanotechnology is given, showing that this theory is very useful in the optimization of oscillator key parameters, such as: frequency, amplitude and phase relationship. The authors discuss three different examples: active coupling RC−oscillators, capacitive coupling RC−oscillators, and two-integrator oscillator working in the sinusoidal regi...
Waste
With shortages, volatile prices and nearly one billion people hungry, the world has a food problem � or thinks it does. Farmers, manufacturers, supermarkets and consumers in North America and Europe discard up to half of their food � enough to feed all the world�s hungry at least three times over. Forests are destroyed and nearly one tenth of the West�s greenhouse gas emissions are released growing food that will never be eaten. While affluent nations throw away food through neglect, in the developing world crops rot because farmers lack the means to process, store and transport them to market. But there could be surprisingly painless remedies for what has become one of the world�s most pressing environmental and social problems. Travelling from Yorkshire to China, from Pakistan to Japan, and introducing us to foraging pigs, potato farmers, freegans and food industry directors, Stuart encounters grotesque examples of profligacy, but also inspiring innovations and ways of making the most of what we have. Combining front-line investigation with startling new data, Waste shows how the way we live now has created a global food crisis � and what we can do to fix it.
