The composition dependent mechanical properties of ge si core–shell nanowires

... size -dependent band gaps of Ge- core /Si- shell and Si- core /Ge- shell nanowires at the level of density functional theory, where the composition is defined as the ratio of the number of atoms of the ... around the interface somehow correlates with the composition of the core–shell nanowire. These aspects are reflected in the averaged bond lengths of...

Ngày tải lên: 16/03/2014, 15:22

... as the pressure of the left upper corner of the loop; the sig- nificance of this pressure will be discussed in detail below. Moving to the bottom of the loop, we can reason that the pressure of ... possible to characterize the time course of change in ventricular mechanical properties by plotting the time course of change in the slope of the instan...

Ngày tải lên: 22/02/2014, 09:20

... Inc. Æ À1 ¼1=5boundaryisoneinwhich1in5ofthegrainboundaryatoms match,asshowninFig.2.8(c). Twinboundariesmayformwithincrystals.Suchboundarieslieacross deformationtwinplanes,asshowninFig.2.8(d).Notethattheatomson eithersideofthetwinplanesaremirrorimages.Stackingfaultsmayalsobe formedwhentheperfectstackinginthecrystallinestackingsequenceis disturbed,Figs2.8(e)and2.8(f).Thesemaybethoughtofastheabs...

Ngày tải lên: 23/12/2013, 00:15

... Inc. Nevertheless,theymaybeimportantindeterminingtheactualphysical statesofmaterials.VanderWaals’forcesarefoundbetweencovalently bondednitrogen(N 2 )molecules.TheywerefirstproposedbyVander Waalstoexplainthedeviationsofrealgasesfromtheidealgaslaw.They arealsopartlyresponsibleforthecondensationandsolidificationofmole- cularmaterials. 1.3.2.2HydrogenBonds Hydrogenbondsareinducedasaresultofpermanen...

Ngày tải lên: 23/12/2013, 00:15

... source of nitrogen [15], thereby competing with the antibacterial effect of trappin-2. However, none of the bacteria tested destroyed trappin-2 in the incubation mixtures, suggesting that another, ... leakage of the cytoplasmic content of damaged bacterial or fungal cells. Discussion The main physiological function attributed to elafin and ⁄ or trappin-2 and its precursor i...

Ngày tải lên: 18/02/2014, 17:20

... verify that the relatively low uptake of WP631 was at the origin of the low apoptosis, and whether longer periods of treatment could cause significant apoptosis in the presence of this bisintercalator. Flow ... USA) at the ÔServeis Cientifico-TecnicsÕ of the University of Barcelona, using the 488 nm line of an argon laser and standard optical emission filters. Percent...

Ngày tải lên: 20/02/2014, 23:20

... investigated the effects of age of bamboo fibers and the resin content level on the physical and mechanical properties of the manufactured fiberboards. 1.2 Objectives The overall objective of this ... Chemical Composition 2.1 Introduction The chemical composition of bamboo is similar to that of wood. Table 2-2 shows the chemical composition of bam...

Ngày tải lên: 22/02/2014, 09:20

... very small nano sizes was dispersed inside the pore of support material. 3.3. Catalytic activities of Pt/SBA-15 in the oxidation of D-glucose The results of the oxidation of D-glucose carried ... showed the highest activity and selectivity in the oxidation of glucose. When increasing the content of Pt loading, most Pt nanoparticles aggregated outside the c...

Ngày tải lên: 05/03/2014, 11:21

... [20]: k off ¼ðk offð2Þ Âð½ibuprofen=ðK 2 ½ibuprofenÞ þðk offð3Þ Âð½ibuprofen=ðK 3 ½ibuprofenÞÞ þ k þ off ð7Þ where k off(2) and k off(3) indicate values of k off occurring at K 2 < [ibuprofen] ... indicates that the removal of domain I from HSA does not significantly affect the functional and structural properties of domains I and II [i.e. of the 1–382 region of (t)H...

Ngày tải lên: 06/03/2014, 01:20

... Additionally, because the demand of the chloroplast is ‘sensed’ inside the organelle, the IEM is closest to the origin of the signal, and thus regulation at the Tic complex could be one of the fastest ways to ... enhance the ATPase activity of the chaperone Hsp93. The motor activity of this AAA+ ATPase probably accounts for most of the ATP requirement of...

Ngày tải lên: 07/03/2014, 03:20