- contact of metals
- Physicsஉலோகத்தொடுகை
English-Tamil dictionary. 2014.
contact of metals
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Contact electrification — is an obsolete scientific theory from the Enlightenment that attempted to account for all the sources of electric charge known at the time.[1] In the late 18th century, scientists developed sensitive instruments for detecting electrification ,… … Wikipedia
Contact potential — may refer to: Contact electrification Galvani potential difference (in electrochemistry, at a junction of two metals) Volta potential difference (in electrochemistry, between two points in vacuum near surfaces of two metals in contact) This… … Wikipedia
Metals conservation — The bronze apoxyomenos, ,dated between 1st and 2nd century BC,found and recovered from Adriatic sea near small island Vele Oryule,near island Loshiny, example of archaeological metals conservation, Croatia Metals conservation, or more precisely… … Wikipedia
METALS AND MINING — In the Bible Six metals are mentioned in the Bible and in many passages they are listed in the same order: gold, silver, copper, iron, tin, and lead. Antimony is also mentioned. The metals are referred to in various contexts, including methods of … Encyclopedia of Judaism
contact corrosion — when two dissimiliar metals are in contact without a protective barrier between them and they are in the presence of liquid, an electrolytic cell is created. The degree of corrosion is dependent on the area in contact and the electro potential… … Mechanics glossary
contact series — noun : an arrangement of metals so that each is positively electrified by contact with the next … Useful english dictionary
Ohmic contact — An ohmic contact is a region on a semiconductor device that has been prepared so that the current voltage (I V) curve of the device is linear and symmetric. If the I V characteristic is non linear and asymmetric, the contact is not ohmic, but is… … Wikipedia
Thermal contact conductance — In physics, thermal contact conductance is the study of heat conduction between solid bodies in thermal contact. The thermal contact conductance coefficient, hc, is a property indicating the thermal conductivity, or ability to conduct heat,… … Wikipedia
Pre-Columbian Africa-Americas contact theories — propose direct contact or actual migrations by peoples from the continent of Africa with the indigenous peoples of the Americas at some stage during the pre Columbian history of the Americas– that is, earlier than the late 15th century. There is… … Wikipedia
Sulfuric acid — Sulfuric acid … Wikipedia
Phosgene oxime — IUPAC name … Wikipedia
