- earth mixtures
- 土混合物
English-Chinese construction dictionary (英汉建筑大词典). 2013.
English-Chinese construction dictionary (英汉建筑大词典). 2013.
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
rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 … Universalium
Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare … Wikipedia
Rammed earth — The ruins of a Han Dynasty (202 BCE – 220 CE) Chinese watchtower made of rammed earth at Dunhuang, Gansu province, at the eastern end of the Silk Road … Wikipedia
rare earth — A group of fifteen closely related elements, not so rare as once thought. They are also called lanthanides for lanthanum, the lead member of the group. Mixtures of rare earth ions are used as components in FCC catalysts … Petroleum refining glossary
Cerium — lanthanum ← cerium → praseodymium ↑ Ce ↓ Th … Wikipedia
Wiccan views of divinity — s or thoughtforms.According to Gerald Gardner, the father of Wicca the deities of Wicca are the ancient gods of the British Isles: a Horned God of hunting, death and magic who rules over an after world paradise (often referred to as the… … Wikipedia
List of environmental topics (E) — This is a list of environmental topics. They relate to the effect of human activity on the environment.*(E grass: see) Miscanthus (see biofuel under Uses) *E waste (electronic waste) *(E10: see) common alcohol fuel mixtures *(E15: see) common… … Wikipedia
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
Miller-Urey experiment — The Miller Urey experiment (or Urey Miller experiment) was an experiment that simulated hypothetical conditions present on the early Earth and tested for the occurrence of chemical evolution. Specifically, the experiment tested Oparin and Haldane … Wikipedia
Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but … Wikipedia