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تعداد نتایج: 6565  

Journal: :journal of mahani mathematical research center 0
thomas vougiouklis democritus university of thrace, school of education 68 100 alexandroupolis, greece

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Journal: :algebraic structures and their applications 2014
t. vougiouklis

we study a new class of $h_v$-structures called fundamentally very thin. this is an extension of the well known class of the very thin hyperstructures. we present applications of these hyperstructures.

The largest class of hyperstructures is the Hv-structures, introduced in 1990, which proved to have a lot of applications in mathematics and several applied sciences, as well. Hyperstructures are used in the Lie-Santilli theory focusing to the hypernumbers, called e-numbers. We present the appropriate e-hyperstuctures which are defined using any map, in the sense the derivative map, called thet...

Journal: :Current Biology 2008

Journal: :Current Biology 2008

Journal: :Current Biology 2009

Journal: :Injury Prevention 1999

Journal: :Nature 1981

Journal: :Current Biology 2009
Nigel Williams

still your go-to example of a missing link? Well, it turns out that palaeontology has made great strides since you were at school and there are now numerous beautiful examples of transitional forms, from fossilised creatures linking land and marine mammals to half-ant-half-wasps preserved in amber and many others. What is more, these transitional forms are always dated to the right point in his...

Journal: :Current Biology 2008
Nigel Williams

fossil fuels, however, would require the need to look beyond wood. Choren Industries claims that 20 million tons of straw are ploughed back into the soil each year, which could be turned into four million tons of BTL diesel, covering 14 per cent of current diesel demand. A further three to six million tons per year could be obtained from wood grown on currently unused agricultural land. Accordi...

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