forward conductance
31Scorpion — For other uses see Scorpion (disambiguation) Scorpion Temporal range: Silurian–Recent …
32Magnetic field — This article is about a scientific description of the magnetic influence of an electric current or magnetic material. For the physics of magnetic materials, see magnetism. For information about objects that create magnetic fields, see magnet. For …
33Semiconductor device — Semiconductor devices are electronic components that exploit the electronic properties of semiconductor materials, principally silicon, germanium, and gallium arsenide. Semiconductor devices have replaced thermionic devices (vacuum tubes) in most …
34Multimeter — A digital multimeter A multimeter or a multitester, also known as a VOM (Volt Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability …
35Characteristic impedance — This article is about impedance in electronics. For impedance of electromagnetic waves, see Wave impedance. For characteristic acoustic impedance, see Acoustic impedance. Schematic representation of a circuit where a source is coupled to a load… …
36Metric system — This article is about the metric system in general. For information about specific versions of the system, such as the International System of Units or the cgs system of units, see #Variants. For a generally accessible and less technical… …
37Xylem — Multiple cross sections of a flowering plant stem showing primary and secondary xylem and phloem[1] Xylem is one of the two types of transport tissue in vascular plants. (Phloem is the other). The word xylem is derived from the Classical Greek… …
38Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans …
39Schottky barrier — A Schottky barrier is a potential barrier formed at a metal semiconductor junction which has rectifying characteristics, suitable for use as a diode. The largest differences between a Schottky barrier and a p n junction are its typically lower… …
40Normal pressure hydrocephalus — Classification and external resources ICD 10 G91.2 ICD 9 331.9 …
