iodine value
71Radiocontrast — agents (also simply contrast agents or contrast materials) are compounds used to improve the visibility of internal bodily structures in an X ray image.Contrast agents are also used in MRI (Magnetic Resonance Imaging). Although MRI is usually… …
72Daguerreotype — 1840 1841 Camerae obscurae and plates for Daguerreotype called Grand Photographe produced by Charles Chevalier (Musée des Arts et Métiers) …
73Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
74stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… …
75Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
76Race and intelligence — Human intelligence Abilities and Traits …
77Vitamin — This article is about the set of organic compounds. For the nutritional supplement preparation, see multivitamin. For the manga, see Vitamin (manga) …
78Ionizing radiation — consists of highly energetic particles or waves that can detach (ionize) at least one electron from an atom or molecule. Ionizing ability depends on the energy of the impinging individual particles or waves, and not on their number. A large flood …
79Potassium permanganate — Potassium permanganate …
80Global health — is a field at the intersection of several social science disciplines demography, economics, epidemiology, political economy and sociology. It focuses on determinants and distribution of health in international contexts. The term global health… …
