In compression the proof strength is smaller because of twinning, which happens more easily in compression than in tension in magnesium alloys because of the hexagonal lattice structure.
22.
Given a domain \ Omega in the hexagonal lattice, a starting mid-edge a, and two parameters x and \ sigma, we define the parafermionic observable
23.
A typical phase is a hexagonal columnar phase, where the amphiphiles form long cylinders ( again with a hydrophilic surface ) that arrange themselves into a roughly hexagonal lattice.
24.
This " epitaxial graphene " consists of a single-atom-thick hexagonal lattice of ? orbitals of graphene, which significantly alters the electronic structure of epitaxial graphene.
25.
Axel Thue provided the first proof that this was optimal in 1890, showing that the hexagonal lattice is the densest of all possible circle packings, both regular and irregular.
26.
S-layer was proposed based on packing of the MA0829 CTR in a hexagonal lattice in one of the two obtained crystal forms ( Protein Data Bank accession number 3U2G ).
27.
Start with a layer of spheres in a hexagonal lattice, then put the next layer of spheres in the lowest points you can find above the first layer, and so on.
28.
The core vessel held about 175 six-centimetre-diameter vertical tubes in a hexagonal lattice, 14, 000 litres of heavy water and helium gas to displace air and prevent corrosion.
29.
The hexagonal lattice with horizontal rows is a special case of a centered rectangular ( i . e . rhombic ) grid, with rectangles which are " 3 times as high as wide.
30.
The property of lonsdaleite as a discrete material has been questioned, since specimens under crystallographic inspection showed not a bulk hexagonal lattice, but instead cubic diamond dominated by structural defects that include hexagonal sequences.
