essential+element
51Electrical element — Electrical elements are conceptual abstractions representing idealized electrical components, such as resistors, capacitors, and inductors, used in the analysis of electrical networks. Any electrical network can be analysed as multiple,… …
52Group 7 element — Group → 7 ↓ Period 4 25 Mn 5 …
53FIE3 (ftz instability element 3') element — The FIE3 (ftz instability element 3 ) element is an RNA element found in the 3 UTR of the fushi tarazu mRNA.The fushi tarazu gene is essential for the establishment of the Drosophila embryonic body plan. When first expressed in early… …
54Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
55The Fifth Element — This article is about the 1997 film. For other uses, see The Fifth Element (disambiguation). The Fifth Element Theatrical release poster Directed by …
56Distributed element filter — Figure 1. A circuit featuring many of the f …
57nitrogen 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… …
58rare-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 …
59Gromov's systolic inequality for essential manifolds — In Riemannian geometry, M. Gromov s systolic inequality for essential n manifolds M dates from 1983. It is a lower bound for the volume of an arbitrary metric on M, in terms of its homotopy 1 systole. The homotopy 1 systole is the least length of …
60Minimum Essential Emergency Communications Network — The Minimum Essential Emergency Communications Network (MEECN) is a network of systems providing uninterrupted communications throughout the pre , trans , and post nuclear warfare environment. At minimum, MEECN is designed to provide a one way… …
