By Encyclopaedia Britannica Editorial
The recent "Britannica Illustrated technology Library" is designed to aid college young ones elderly 10-14 achieve a convinced knowing of earth, lifestyles and actual technological know-how. This fascinating new reference set is perfect for the school room, homework assignments or basically for shopping and should interact younger beginners with an unrivalled volume of fabric throughout center technology topics. essentially organised, the set is split into subject parts and encompasses a word list of phrases and index with a view to let young children to improve very important reference and examine abilities. This name: establishes a convinced knowing of technological know-how; develops examine and reference abilities; offers solutions for curious minds; is a unmarried resource for quite a lot of subject matters around the curriculum; and, bargains fast engagement via vibrant illustrations.
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Positive instead poseen of a negative charge. Positrón Positron + - 44 55 - Electrón Electron Ra Gayos m G m am ar m ay a s Fluor-18 Fluor-18 66 Electrón Electron + Positrón Positron 90% 90% The percentage of correct PET-derived diagnoses of cancer, early-stage de Es elincluding nivel de diagnósticos cancers cáncer correctos, incluso en fases tempranas, que se obtiene con las tomografías PET. Mal de Alzheimer, entre otros ejemplos. Hidrógeno Hydrogen Luminous Collision Choque luminoso Ra Gayo ms G m am ar m ay a s Enthe el resto dethe los tissues tejidos yand In rest of estructurasofdel abundan structures thecuerpo body, there are los electrones libres,that susceptibles many free electrons are de encontrarse con los positrones susceptible to encountering emitidos por la FDG.
Pumped out of the heart through the aorta to the entire body. El corazón bombea y expulsa con fuerza la Pulmonary artery sangre de deshecho por la arteria The heartpulmonar pumps hacia los pulmones, deoxygenated blooden donde será through theoxigenada pulmonaryy "limpiada". artery to the lungs, where the blood is cleaned and oxygenated. How Works CómoItfunciona Los implantes Implanted Components The key to artificial heart is compartment that de hasparedes flexible La clave delthe corazón artificial esaun compartimiento walls andque is filled with un silicone An internal motor flexibles contiene fluidofluid.
Titaniumunalloy, becomes a Genera poderoso campo superconductor whenlos it isprotones cooled to magnético que alinea -452° F (-269°antes C). Itde generates a de hidrógeno, ser powerful magnetic bombardeados con field ondasthat de lines up the hydrogen protons prior to their radiofrecuencia. being stimulated with the radio waves. Low-energy nuclei. Núcleos de baja The spin and the de energía. Los ejes precession axis rotate spin y de preseción in the same direction. tienen el mismo sentido. High Magnetism Alto magnetismo The magnetic field generated by MRI El campo magnético que generan los scanners de tends tosuele be tens thousands escáners IRM serof decenas de of times than the miles de more veces powerful más poderoso que el campo magnético delEarth.