نتایج جستجو برای: phases
تعداد نتایج: 108949 فیلتر نتایج به سال:
the effect of temperature on the adsorption of heavy metals on not only natural bulk clay, but also for the individual phases that composed the bulk clay sample, was investigated. combined adsorption- sequential extraction analysis (casa) for pb, cu, zn and cd were conducted under various temperatures that ranged from 150c to 550c. as a result, it was found that heavy metals adsorption for bulk...
Carbonation in cement binders has to be thoroughly understood because it affects phase assemblage, binder microstructure and durability performance of concretes. This is still not the case as reaction products can crystalline, nanocrystalline amorphous. The characterisation last two types components are quite challenging. Here, carbonation reactions have been studied alite-, belite- ye’elimite-...
We explore the phase structure induced by closed string tachyon condensation of toric nonsupersymmetric conifold-like singularities described by an integral charge matrix Q = (n1 n2 − n3 − n4), ni > 0, ∑ i Qi 6= 0, initiated in hep-th/0510104. Using gauged linear sigma model renormalization group flows and toric geometry techniques, we see a cascade-like phase structure containing decays to low...
plasmid pNV11 [H. Shibuya et al., Nature 357, 700 (1992)]. SHO1 is an SH3 domain–containing transmembrane osmosensor that constitutes another signaling pathway leading to hyperosmolarity responses by way of HOG1 activation independently of SSK2 or SSK22 (13). Single or double mutant strains of SHO1, SSK2, or SSK22 are resistant to hyperosmotic medium; however, strains with defects in SHO1, SSK2...
In this report, the research conducted on entanglement in topological phases is detailed and summarized. This includes background developed and an explanation of the structure of the code written it MATLAB to compute various aspects of entanglement for topological systems. Topological phases are generally those that cannot be described by Landau symmetry-breaking, including the fractional quant...
We investigate the adiabatic evolution of a set of nondegenerate eigenstates of a parametrized Hamiltonian. Their relative phase change can be related to geometric measurable quantities that extend the familiar concept of Berry phase to the evolution of more than one state. We present several physical systems where these concepts can be applied, including an experiment on microwave cavities for...
Trigonal ordering is evident from electron microscopy of quenched powders of composition YBa#Zu, 0, 5. The powders are a mixture of phases, some of which are based upon two trigonal phases with (I = 0.54 and c = 0.66 nm. In the first the yttrium and barium atoms order on the (I 11) planes of the parent perovskite structure rather than the (001) while in the second stacking sequence the yttrium ...
The mechanism of the orientational ordering of C60 in alkali-metal-doped fullerenes M3C60 is studied. Since the M-C60 (M=K,Rb) interactions cause the C60 molecules to assume one of two standard orientations, this model is equivalent to a generalized Ising model on a fcc lattice. The Ising interactions depend on two type of energies: (1) the direct interaction, i.e., the orientationally dependen...
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