نتایج جستجو برای: 092 mn
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Abstract Introduction Sexuality is complex and multifaceted, broadly composed of psychological, physiological, interpersonal, identity, social/political phenomena. The term “sexuality” used inconsistently in the literature, both how it defined by researchers measured. Some define sexuality a narrow, heteronormative, genital-focused way that negates subjective experiences individuals, turn, affe...
Irradiation of amorphous a-Se Ag I and a-Se films by linearly polarized He–Neand Arq ion-laser light was shown 70 15 15 to produce polycrystalline films with linear dichroism, the sign of which is determined by the polarization of the light. Photocrystallization of the films was confirmed by direct structural investigations. Thus, a new phenomenon, the effect of light polarization on the photoc...
Clustering of (Ga,Mn)As is studied with the supercell density-functional calculations using the projector augmentedwave method. We find large binding energies for a single substitutional Mn atom to existing dimers and trimers giving rise to trimer and tetramer formation. For larger clusters this binding energy drops. In all cases studied, ferromagnetic alignment is found to be energetically mor...
The objective of this paper is to present a general strategy for design optimization of flattop interleavers, and dispersion compensation for the interleavers, in order to achieve superior optical performance. The interleaver is formed by two multi-cavity Gire-Tournois etalons (MC-GTE) in a Michelson Interferometer (MI). An interleaver that has m cavities in one etalon and n cavities in the oth...
Various refined potentials describing the intraand inter-molecular force fields of water molcculcs arc used to calculate the properties of the gas-phase water dimer. The intra-molecular parts have been taken from spectroscopic or quantum-chemical sources. The minimum energy structure was found iteratively using the first derivatives of the potential; the force-constant matrix was con structed ...
A total of 917 Mycoplasma isolations were made from 4 092 specimens originating from 2 874 cattle in private herds and at AI stations. The percentages of isolations from the different sources were: cervico-vaginal mucus 14,6%, semen 43%, preputial wash 25%, foetuses 3,3% and placentas 15%. Mycoplasma bovigenitalium, the most common isolate, was recovered from 39% of males, 47% of females, 25% o...
We present a combined theoretical and experimental study of the ferromagnetic semiconductor (Ga,Mn)As which explains the remarkably large changes observed on low-temperature annealing. Careful control of the annealing conditions allows us to obtain samples with ferromagnetic transition temperatures up to 159 K. Ab initio calculations, in situ Auger spectroscopy, and resistivity measurements dur...
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