- composition fluctuations
- 浓度起伏
English-Chinese metallurgy dictionary. 2014.
English-Chinese metallurgy dictionary. 2014.
Mercury zinc telluride — (HgZnTe, MZT) is a telluride of mercury and zinc, an alloy of mercury telluride and zinc telluride. It is a narrow gap semiconductor material. Mercury zinc telluride is used in infrared detectors and arrays for infrared imaging and infrared… … Wikipedia
cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
FORME — L’histoire du concept de forme et des théories de la forme est des plus singulières. Nous vivons dans un monde constitué de formes naturelles. Celles ci sont omniprésentes dans notre environnement et dans les représentations que nous nous en… … Encyclopédie Universelle
QUATERNAIRE (ÈRE) — Le terme «Quaternaire» a été créé en 1829 par le géologue français Jules Desnoyers. Il s’agit de la période de temps la plus récente et la plus courte de l’échelle géologique. Constituant la dernière époque du Cénozoïque et des temps… … Encyclopédie Universelle
nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula … Universalium
Physical 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… … Universalium
Dark matter — Not to be confused with antimatter, dark energy, dark fluid or dark flow. For other uses, see Dark Matter (disambiguation) … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
LIMNOLOGIE — La limnologie, terme que créa en 1892 le Suisse F. A. Forel et qu’il définit comme l’«océanographie des lacs» désigne aujourd’hui l’étude statique et dynamique des eaux continentales ou intérieures séparées du monde océanique. La caractéristique… … Encyclopédie Universelle