the difference in thermal conductivity between the
61Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
62Thermoelectricity — (thermo electricity) refers to a class of phenomena in which a temperature difference creates an electric potential or an electric potential creates a temperature difference. In modern technical usage, the term almost always refers collectively… …
63atmosphere — atmosphereless, adj. /at meuhs fear /, n., v., atmosphered, atmosphering. n. 1. the gaseous envelope surrounding the earth; the air. 2. this medium at a given place. 3. Astron. the gaseous envelope surrounding a heavenly body. 4. Chem. any… …
64conductive ceramics — Introduction advanced industrial materials that, owing to modifications in their structure, serve as electrical conductors. In addition to the well known physical properties of ceramic materials hardness, compressive strength,… …
65oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
66Chemical bond — A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electromagnetic force attraction between opposite charges, either between electrons and… …
67Heat conduction — or thermal conduction is the spontaneous transfer of thermal energy through matter, from a region of higher temperature to a region of lower temperature, and acts to equalize temperature differences. It is also described as heat energy… …
68Copper — For other uses, see Copper (disambiguation) …
69Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
70ceramic composition and properties — Introduction atomic and molecular nature of ceramic (industrial ceramics) materials (materials processing) and their resulting characteristics and performance in industrial applications. Industrial ceramics are commonly understood to… …
