eugene chevreul造句

• Eugene Chevreul, a French chemist hired as director of dyes at a French tapestry works, began to investigate the optical nature of color in order to improve color in fabrics.
• Seurat's ideas, based on the scientific theories of light and color expounded by Michel-Eugene Chevreul and Ogden Rood, were first seen publicly in his masterpiece " Sunday Afternoon on the Island of La Grande Jatte " ( 1884 ), a highly stylized composition of figures in a park landscape.
• Another important influence on painting in the 19th century was the theory of complementary colours, developed by the French chemist Michel Eugene Chevreul in 1828 and published in 1839 . He demonstrated that placing complementary colours, such as blue and yellow-orange or ultramarine and yellow, next to each other heightened the intensity of each colour " to the apogee of their tonality . " In 1879 an American physicist, Ogden Rood, published a book charting the complementary colours of each colour in the spectrum.
• In 1828, the French chemist Eugene Chevreul, making a study of the manufacture of Gobelin tapestries to make the colors brighter, demonstrated scientifically that " the arrangement of complementary colors is superior to any other harmony of contrasts . " His 1839 book on the subject, " De la loi du contraste simultan?des couleurs et de l'assortiment des objets color閟 ", showing how complementary colors be used in everything from textiles to gardens, was widely read in Germany, France and England, and made complementary colors a popular concept.
• CREATINE TIMELINE-- 1832-- Discovered by French chemist Michel-Eugene Chevreul-- 1960-1970-- Russian athletes begin using it-- 1991-- First professional American athletes begin using it-- 1993-- U . S . commercial use begins-- 1995-96-- Hits the U . S . market with a bang-- 1998-2001-- Potential dangers receive media attention-- 2001-- More than 300 studies on its use Source : " Creatine and other Natural Muscle Boosters " by Dr . Robert Monaco and Terry Malloy ( Dell Publishing, 1999 . ) CREATINE IN FOOD Amount ( in grams ) of creatine found in a pound of food : Herring ! dtpost ! 3.0 Pork ! dtpost ! 2.3 Beef ! dtpost ! 2.0 Salmon ! dtpost ! 2.0 Tuna ! dtpost ! 1.8 Codfish ! dtpost ! 1.4 Source : " Creatine and other Natural Muscle Boosters " by Dr . Robert Monaco and Terry Malloy ( Dell Publishing, 1999 .)