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Nernst, Walther Hermann

(Encyclopedia)Nernst, Walther Hermann välˈtər hĕrˈmän nĕrnst [key], 1864–1941, German physicist and chemist, a founder of modern physical chemistry. After doing outstanding research on osmotic pressure and...

chemurgy

(Encyclopedia)chemurgy kĕmˈərjē [key], branch of applied chemistry concerned with preparing industrial products from agricultural raw materials. Among such products are plastics manufactured from casein and soy...

Barton, Derek H. R.

(Encyclopedia)Barton, Derek H. R., 1918–98, British chemist, b. Gravesend, England, grad. Imperial College of Science and Technology (B.S. 1940, Ph.D. 1942, D.Sc. 1949). He was on the faculty of Imperial College ...

Hoffmann, Roald

(Encyclopedia)Hoffmann, Roald, 1937–, American chemist, b. Złoczów, Poland (now Zolochiv, Ukraine), Ph.D. Harvard, 1962. After receiving his degree and working with Robert Woodward at Harvard (1962–65), he be...

Crutzen, Paul Jozef

(Encyclopedia)Crutzen, Paul Jozef, 1933–2021, Dutch atmospheric chemist, grad. Univ. of Stockholm (Ph.D. 1968, D.Sc. 1973). After working (1977–80) for the Nation...

climate

(Encyclopedia)climate, average condition of the atmosphere near the earth's surface over a long period of time, taking into account temperature, precipitation (see rain), humidity, wind, barometric pressure, and ot...

Wiley, Harvey Washington

(Encyclopedia)Wiley, Harvey Washington, 1844–1930, American chemist, b. Kent, Ind., grad. Hanover College (B.A., 1867), M.D. Indiana Medical College, 1871. After serving (1874–83) as state chemist of Indiana, h...

Willstätter, Richard

(Encyclopedia)Willstätter, Richard rĭkhˈärt vĭlˈshtĕtər [key], 1872–1942, German chemist. He was professor at the Kaiser Wilhelm Institute of Chemistry, Berlin (1912–16), and at the Univ. of Munich (191...

Iberian Peninsula

(Encyclopedia)Iberian Peninsula, c.230,400 sq mi (596,740 sq km), SW Europe, separated from the rest of Europe by the Pyrenees. Comprising Spain and Portugal, it is washed on the N and W by the Atlantic Ocean and o...

coagulation

(Encyclopedia)coagulation kōăgˌyo͞olāˈshən [key], the collecting into a mass of minute particles of a solid dispersed throughout a liquid (a sol), usually followed by the precipitation or separation of the s...