- difficult element
- Спорт: оцениваемый элемент
Универсальный англо-русский словарь. Академик.ру. 2011.
difficult element
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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
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare … Wikipedia
Distributed element filter — Figure 1. A circuit featuring many of the f … Wikipedia
transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with … Universalium
Rolling-element bearing — A rolling element bearing is a bearing which carries a load by placing round elements between the two pieces. The relative motion of the pieces causes the round elements to roll with very little rolling resistance and with little sliding.One of… … Wikipedia
nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… … Universalium
Distributed element model — Fig.1 Transmission line. The distributed element model applied to a transmission line. This article is an example from the domain of electrical systems, which is a special case of the more general distributed parameter systems. In electrical… … Wikipedia
actinide element — ▪ chemical element group Introduction any of a series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89–103). As a group they are significant largely because of their radioactivity.… … Universalium
Marquee element — An example of an HTML marquee displaying the text Wikipedia HTML HTML and HTML5 Dynamic HTML XHTML XHTML Mobile Profile and C HTML Canvas element Character encodings … Wikipedia
Flash Element TD — Developer(s) David Scott Distributor(s) NovelConcepts.co.uk, Casualcollective.com De … Wikipedia
