The Royal Society
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A discussion on the structure and evolution of the Red Sea and the nature of the Red Sea, Gulf of Aden and Ethiopia rift junction - Southern Arabia and northern Somalia: Comparative geology
The Royal Society - Tập 267 Số 1181 - Trang 267-292 - 1970
Detailed geological compilation maps for the two sides of the Gulf of Aden from
various published and unpublished sources were originally prepared on 1:500 000
scale and later reduced to 1:1 000 000 scale (figures 3 and 4, in accompanying
wallet). These were reconstructed to postulated pre-separation positions along
the 100- and 500-fathom (183 and 914 m) bathymetric contours to give acceptably
cl...
Back-arc extension in the southern Andes: a review and critical reappraisal
The Royal Society - Tập 300 Số 1454 - Trang 319-335 - 1981
The interpretation that the mafic ‘rocas verdes’ (green rocks) complex of the
southern Andes represents part of the uplifted floor of a Late Jurassic to Early
Cretaceous back-arc basin has proved particularly useful in understanding the
geological evolution of the southern Andes, the north Scotia Ridge and the
Antarctic Peninsula. Clear field evidence of the back-arc setting of the 'rocas
verdes’ ...
The role of residuals and alloying elements in temper embrittlement
The Royal Society - Tập 295 Số 1413 - Trang 169-196 - 1980
A brief review of the general metallurgical properties of temper brittleness in
low alloy steels emphasizes that this intergranular embrittlement is sensitive
to essentially two categories of independent variables: the chemical composition
of the grain boundaries (segregation of the solutes on an atomic scale), as well
as the ‘mechanical-microstructural’ parameters of the alloy (microstructure and...
A Discussion on natural strain and geological structure - Magnetic, seismic, and other anisotropic properties of rock fabrics
The Royal Society - Tập 283 Số 1312 - Trang 55-68 - 1976
Magnetic fabric, as a resultant property, summed over individual grains in a
rock, stands apart from other, bulk property measurements (e.g. seismic,
thermal, dielectric anisotropy), which treat the rock as a continuum. Thus,
magnetic anisotropy can be more directly related to preferred orientation of
grains in a rock than can bulk property measurements. The latter, however, may
permit remote, geo...
Similarity and self-preservation in isotropic turbulence
The Royal Society - Tập 243 Số 867 - Trang 359-386 - 1951
Measurements of the double and triple velocity correlation functions and of the
energy spectrum function have been made in the uniform mean flow behind
turbulence-producing grids of several shapes at mesh Reynolds numbers between
2000 and 100000. These results have been used to assess the validity of the
various theories which postulate greater or less degrees of similarity or
self-preservation be...
The tides of the northeast Atlantic Ocean
The Royal Society - Tập 298 Số 1436 - Trang 87-139 - 1980
The results of a ten-year programme of measurement and analysis of the tides in
the open sea west of Europe are described. Instrumental techniques were
developed during the period from capacitance-plane sensors used in shelf seas to
strain-gauges and quartz crystal sensors used in oceanic depths up to about 4
km. The measuring stations form two chains, one on the edge of the shelf
surrounding the ...
Slope turbulence, internal waves and phytoplankton growth at the Celtic Sea shelf-break
The Royal Society - Tập 302 Số 1472 - Trang 663-682 - 1981
The edge of the Celtic Sea shelf is characterized during the summer by a band of
cold water ( ca . 100 km broad), which is generally conspicuous in high
resolution infrared images from satellites, particularly under high pressure
atmospheric conditions with clear skies. Preliminary studies of mixing in this
region were made in 1972, 1973 and 1974 and were followed by more detailed
interdisciplinar...
Biological implications of fronts on the northwest European continental shelf
The Royal Society - Tập 302 Số 1472 - Trang 547-562 - 1981
The results of recent biological investigations of three types of frontal system
— tidal, coastal, and shelf-break - are summarized. Each is characterized by
high standing crops of phytoplankton and is important as a biogeographic
boundary between water masses with distinct plankton communities. Evidence for
relatively high rates of primary production along tidal fronts is discussed in
relation to...
The shelf-sea fronts: implications of their existence and behaviour
The Royal Society - Tập 302 Số 1472 - Trang 531-546 - 1981
This paper reviews the results of recent observations of the shelf-sea fronts
and discusses the relation of these features to w hat is known of the mean
circulation. Evidence from satellite infrared imagery and ship data are
presented to illustrate the movements and structure of the fronts. Many of the
data can be rationalized in terms of models of tidal mixing based on vertical
exchange only, wit...
Dynamic features of combustion
The Royal Society - Tập 315 Số 1534 - Trang 471-508 - 1985
The dynamic features of combustion arise from the evolution of exothermic energy
and its deposition in the essentially compressible medium in which the process
takes place. These features are exposed in representative cases that cover a
wide spectrum of combustion phenomena, namely ignition, flame propagation,
explosion, and detonation. Ignition and explosion are treated as problems in
nonlinear m...
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