نتایج جستجو برای: 184 and 134 w m
تعداد نتایج: 16941693 فیلتر نتایج به سال:
Let V and W be two real vector spaces and let &sim be a relation on both V and W. A linear function T : V → W is said to be a linear preserver (respectively strong linear preserver) of &sim if Tx &sim Ty whenever x &sim y (respectively Tx &sim Ty if and only if x &sim y). In this paper we characterize all linear functions T : M_{n,m} → M_{n,k} which preserve or strongly preserve multivariate an...
Varying amounts of an amorphous poly(1-hexene) (PH, Mv 1.7×106 Da) were added to an LLDPE matrix containing 3% w/w Addiflex oxo-biodegradable additive (HES-W) and extruded and converted into films. Then the effect of presence of PH was investigated on microstructure, thermal and tensile behavior of polymer films before and after 6 weeks of ultra violet irradiation (UVR). Due to UVR, ...
ions”, in Current Trends in Programming Methodology (R. T. Yeh, ed.), vol. 1, pp. 1–33, Englewood Cliffs, N.J.: Prentice-Hall, 1978. [3] B. Liskov and J. Guttag, Abstraction and Specification in Program Development. The MIT Electrical Engineering and Computer Science Series, Cambridge, MA: MIT Press, 1986. [4] OMG, “UML resource page”, http://www.omg.org/uml/, 2000. [5] G. Booch, J. Rumbaugh, a...
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