silica pigment
91Lake Superior agate — The Lake Superior agate is a type of agate stained by iron and found on the shores of Lake Superior. Its wide distribution and iron rich bands of color reflect the gemstone s geologic history in Minnesota. In 1969 the Lake Superior agate was… …
92Wood filler — Wood filler, also known as Wood putty or Plastic wood, is a substance used to fill imperfections, nail holes or pores in wood prior to finishing. Wood putty or plastic wood usually refer to the thicker version used to fix imperfections and small… …
93Herbivore adaptations to plant defense — Herbivores are dependent on plants for food, and have coevolved mechanisms to obtain this food despite the evolution of a diverse arsenal of plant defenses against herbivory. Herbivore adaptations to plant defense have been likened to “offensive… …
94Tin-glazing — is the process of giving ceramic items a tin based glaze which is white, shiny and opaque, normally applied to red or buff earthenware.The earliest tin glazed pottery appears to have been made in Iraq/Mesopotamia in the 9th century, the oldest… …
95List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
96History of chromatography — The history of chromatography spans from the mid 19th century to the 21st. Chromatography, literally color writing , was used mdash;and named mdash; in the first decade of the 20th century, primarily for the separation of plant pigments such as… …
97Siliciumdioxid — Kristallstruktur Grundstruktur der verschiedenen SiO2 Kristalle ist ein Tetraeder bei dem Silicium von vier Sauerstoffen umgeben ist …
98(C6H11NO)n — Poly(N isopropylacrylamide) Structure du poly(N isopropylacrylamide). La structure entre crochets constitue, en se répétant, le squelette des chaînons du polymère. Le poly(N isopropylacrylamide) (abrégé en polyNIPAM, PNIPAM ou PNIPAAm) est un… …
9925189-55-3 — Poly(N isopropylacrylamide) Structure du poly(N isopropylacrylamide). La structure entre crochets constitue, en se répétant, le squelette des chaînons du polymère. Le poly(N isopropylacrylamide) (abrégé en polyNIPAM, PNIPAM ou PNIPAAm) est un… …
100PNIPAAm — Poly(N isopropylacrylamide) Structure du poly(N isopropylacrylamide). La structure entre crochets constitue, en se répétant, le squelette des chaînons du polymère. Le poly(N isopropylacrylamide) (abrégé en polyNIPAM, PNIPAM ou PNIPAAm) est un… …
