By John G. Webster (Editor)
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ISBN 0–415–27298–X (Vol. 1 & 2 of 2)
Geomorphology, the self-discipline which analyzes the background and nature of the earth's floor, offers with the landforms produced by means of erosion, weathering, deposition, delivery and tectonic tactics. In contemporary a long time there were significant advancements within the self-discipline and those are mirrored during this significant Encyclopedia, the 1st such reference paintings within the box to be released for thirty-five years.
Encyclopedia of Geomorphology has been produced in organization with the foreign organization of Geomorphologists (IAG) and has a very worldwide standpoint. The entries were written via a world editorial staff of individuals, drawn from over thirty international locations, who're all one of the major specialists within the discipline.
In lavishly illustrated volumes, Encyclopedia comprises approximately seven hundred alphabetically geared up entries to supply a finished consultant either to precise landforms and to the foremost forms of geomorphological procedures that create them. The Encyclopedia additionally demonstrates the key advancements that experience taken position lately in our wisdom of tectonic and climatic adjustments and within the use of recent suggestions comparable to modelling, distant sensing and strategy dimension. Older strategies, even though, will not be forgotten and supply an old standpoint at the improvement of rules. either obtainable and authoritative, Encyclopedia of Geomorphology is destined to turn into the definitive source for college students, researchers and utilized practitioners within the box of geomorphology and the cognate disciplines of geography, earth technology, sedimentology and environmental technological know-how.
From nook place of work to 24/7, the area of labor has permeated each side of our tradition. the way in which We paintings explores in over a hundred and fifty A-Z entries, the origins and effect of the suggestions, principles, fads and topics became a part of the enterprise vernacular, laying off linght at the dynamic ways that enterprise and society either impression and replicate one another.
From the Mayan calendar to the Toltec structure at Chichn Itz, the bequests of historic Mesoamerican civilizations have continued lengthy after the societies that created them declined. The highbrow and cultural achievements of Pre-Columbian the USA rivaled these of old Rome and Egypt, and tremendously enriched the panorama of present-day Mexico and relevant the USA.
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Additional info for 03.Applied Superconductivity
Gas-cooled electrical leads that connect the coil to the room-temperature outside world may also be located inside the magnet insulating vacuum vessel in the end region. (4) Cryogenic cooling is usually fed into the solenoid coil from the ends. Cooling should also include the intermediate temperature fluid (either liquid nitrogen at 80 K or helium gas at 50 to 80 K) used to cool the shields. (5) cryostat vacuum pumping ports will be located at the ends of the solenoid. (6) Room-temperature feed throughs for voltage taps, quench detection coils, temperature sensors, and pressure transducers will enter the magnet at the ends.
The large variation in electrical and thermal conductivity in directions parallel to and perpendicular to the c axis is a direct consequence of the conductivity of the CuO2 layers. Ratios of 100 and 17 for the electrical and thermal conductivities parallel to the a–b plane and perpendicular to it have been measured for YBCO (11). These values are even higher in Bi- and Tl-based systems, indicating strong anisotropy parallel to and perpendicular to the CuO2 layers. Anisotropy in response to magnetic fields and current density is a result of the large variation in the coherence length with direction.
For example, the compound yttrium barium copper oxide (YBCO) has been found to be superconducting up to 92 K (3). Additional important high-temperature superconductors include bismuth strontium calcium copper oxide (BSCCO) (4), thallium barium calcium copper oxide (TBCCO) (5), and mercury barium calcium copper oxide (HBCCO) (6). HBCCO has the highest critical temperature, T c = 135 K (7,8). Table 1 presents the chemical formula and T c values of each of these compounds. The HTSCs can be subdivided into three classes: three-dimensional compounds based on BaBiO3 , layered copper-oxide compounds with hole conductivity (based on La2 CuO4 , YBa2 Cu3 O7 − , and compounds of Bi and Tl), and compounds based on Nd2 CuO4 with electron conductivity.
03.Applied Superconductivity by John G. Webster (Editor)