metallic negative

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• Metallic bond — Metallic bonding is the electrostatic attractive forces between the delocalized electrons, called conduction electrons, gathered in an electron sea , and the positively charged metal ions. Understood as the sharing of free electrons among a… …   Wikipedia

• Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… …   Wikipedia

• negative — negatively, adv. negativeness, negativity, n. /neg euh tiv/, adj., n., adv., v., negatived, negativing, interj. adj. 1. expressing or containing negation or denial: a negative response to the question. 2. refusing consent, as to a proposal: a… …   Universalium

• Negative Syndicate — A Negative Syndicate (ネガティブシンジケート, Negatibu Shinjikēto?) is any of the fictional antagonistic organizations who seek out the Precious in the 30th Super Sentai Series GoGo Sentai Boukenger. This title is given to them by the Search Guard Successor …   Wikipedia

• Electro-negative — E*lec tro neg a*tive, Electronegative E*lec tro*neg a*tive, a. (Chem. & Physics) 1. Having the property of being attracted by an electro positive body, or a tendency to pass to the positive pole in electrolysis, by the law that opposite… …   The Collaborative International Dictionary of English

• Metamaterial — Negative index metamaterial array configuration, which was constructed of copper split ring resonators and wires mounted on interlocking sheets of fiberglass circuit board. The total array consists of 3 by 20×20 unit cells with overall dimensions …   Wikipedia

• photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …   Universalium

• Metalloid —   13 14 15 16 17   2  B Boron …   Wikipedia

• analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

• chemical bonding — ▪ chemistry Introduction       any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …   Universalium

• Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …   Wikipedia