(electric heater element)
81Thin-film deposition — is any technique for depositing a thin film of material onto a substrate or onto previously deposited layers. Thin is a relative term, but most deposition techniques allow layer thickness to be controlled within a few tens of nanometers, and some …
82Electronic component — Various components An electronic component is a basic electronic element and may be available in a discrete form having two or more electrical terminals (or leads). These are intended to be connected together, usually by soldering to a printed… …
83high-pressure phenomena — ▪ physics Introduction changes in physical, chemical, and structural characteristics that matter undergoes when subjected to high pressure. pressure thus serves as a versatile tool in materials research, and it is especially important in… …
84Central heating — unit A central heating system provides warmth to the whole interior of a building (or portion of a building) from one point to multiple rooms. When combined with other systems in order to control the building climate, the whole system may be a… …
85Mark B. Cohen — For other uses, see Mark Cohen (disambiguation). Mark B. Cohen Member of the Pennsylvania House of Representatives from the 202nd district Incumbent Assumed office 1974 Preceded by Eugene Gelfand …
86Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …
87Clothes iron — A man ironing clothes using a charcoal iron box. A typical modern electric iron …
88Mitigation of global warming — involves taking actions to reduce greenhouse gas emissions and to enhance sinks aimed at reducing the extent of global warming. [ [http://www.ipcc.ch/pdf/glossary/ar4 wg3.pdf IPCC Glossary Working Group III, p. 818] ] This is in distinction to… …
89TECHNOLOGY AND HALAKHAH — Halakhah deals with the prescription of the behavior of the individual, the family, the community, and a Jewish state. It encompasses all the actions in one s life. It sets forth both the principles and the guidelines along which day to day… …
90Liquid crystal — Schlieren texture of liquid crystal nematic phase Liquid crystals (LCs) are a state of matter that have properties between those of a conventional liquid and those of a solid crystal.[1] For instance, an LC may flow like a liquid, but its… …
