- fabricated element
- 预制构件
English-Chinese electricity dictionary (电气专业词典). 2013.
English-Chinese electricity dictionary (电气专业词典). 2013.
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
Finite element machine — The Finite Element Machine (FEM)[1] was a late 1970s early 1980s NASA[2] project to build and evaluate the performance of a parallel computer for structural analysis. The FEM was completed and successfully tested at the NASA Langley Research… … Wikipedia
Fabrication of structural steel by plasma and laser cutting — Fabrication of dimensional (non flat) structural steel elements has historically been performed by sequential operations involving sawing, drilling and high temperature flame cutting to remove material. Each of these operations is performed on… … Wikipedia
Clarifications — The Wire episode Episode no. Season 5 Episode 8 … Wikipedia
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
Photonic metamaterial — Electromagnetism Electricity · … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… … Wikipedia
ancient Greek civilization — ▪ historical region, Eurasia Introduction the period following Mycenaean civilization, which ended in about 1200 BC, to the death of Alexander the Great, in 323 BC. It was a period of political, philosophical, artistic, and scientific… … Universalium
Memristor — Type Passive Working principle Memristance Invented Leon Chua (1971) First production HP Labs (2008) Electronic symbol … Wikipedia
ANTISEMITISM — ANTISEMITISM, a term coined in 1879, from the Greek ἁντί = anti, and Σημ = Semite by the German agitator wilhelm marr to designate the then current anti Jewish campaigns in Europe. Antisemitism soon came into general use as a term denoting all… … Encyclopedia of Judaism