Linearized hydrodynamic stability of an incompressible viscous liquid in an open container, subject to a constant external acceleration, is studied. A normal mode analysis is employed to show that initial perturbations of the flow and the free surface tend to zero in Cheap Ghd Straighteners
A general method unifying the known constructions of binary self-orthogonal codes from designs is described. As an application more than 70 inequivalent extremal doubly even self-dual codes of length 40 are constructed from Hadamard matrices of order 20. Some of these codes do not admit nontrivial automorphisms of odd orders, and there is a code with trivial automorphism group.
At a children's gala on July 8, 1972, approximately 130 visitors, mostly girls belonging to juvenile jazz bands, developed an illness, the leading symptom being epigastric pain. Local children were not affected. The symptoms were not serious and mostly of brief duration. No physical cause for the symptoms has been discovered and reasons are given for thinking that the episode was mainly a hysterical reaction.
Description of a high resolution Raman device is given. The observation of the scattered light is carried out at a one degree angle with respect to the laser beam. The laser cavity is folded by means of a White's system. Discount Ghd Uk The spectrum observed for the ν3 band of CH4 shows that the working resolution is 0.15 cm−1.