• Hcp nano-lamellae were induced by cryogenic dynamic deformation in a CoCrNi MEA. Size effect of hcp the MEA was studied MD for first time. Sample with small-spaced lamellae is even stronger than pure hard phase. Strength increases increasing/decreasing width/spacing nano-lamellae. More interfaces provide resistance dislocation slip and transmission. Deformation-induced various widths interspa...

Two new species of Tetralidia Marques-Costa & Cavichioli, 2008: Tetralidia pachamama sp. nov. and Tetralidia viracocha sp. nov. are described and illustrated. T. pachamama sp. nov. can be distinguished from the other species of the genus by the simple aedeagus, without processes, spines or lamellae, while T. viracocha sp. nov. can be distinguished by the aedeagus with two pairs of lamellae at s...

The crystalline structures in thin films of polystyrene-b-poly(ethylene oxide) (PS-b-PEO) diblock copolymers were studied in dependence on the degree of supercooling. Atomic force microscopy showed that the crystalline domains (lamellae) consist of grains, which are macroscopic at low and intermediate degrees of supercooling, but of submicrometer size for strong supercooling. Using grazing-inci...

The secondary lamellae of the gills are the primary sites of oxygen uptake in fish. We have used epi-illumination microscopy in vivo to observe the microcirculation directly in secondary lamellae of rainbow trout (Oncorhynchus mykiss) and roach (Rutilus rutilus). Our observations point at previously unrecognised factors in fish respiratory physiology. Erythrocytes passing through secondary lame...

Precise ultrastructural localization of Drosophila melanogaster pupal cuticle proteins (PCPs) was achieved by the immunogold labeling of frozen thin sections. PCPs were found in lamellate cuticle and intracellular vesicles but, curiously, were absent from the assembly zone of the cuticle. Antibodies that distinguish between the two classes of PCPs--low molecular weight (L-PCPs) and high molecul...

Electro-optic measurements were performed on a lamellar nematic phase in which the mesogenic moieties lie in lamellae that are separated by partially perfluorinated side groups. The twist elastic constant K22, viscosity gamma(1), and the quadratic and quartic anchoring strength coefficients are reported. K22 and gamma(1) are found to be considerably smaller than that of typical three-dimensiona...

From the water extracts of heat-treated spinach chloroplast lamellae, five compounds were isolated by column chromatography and identified by paper chromatography, UV-, IR-, ‘H-NMRand 13C-NMR spectrometry: besides the major component, sucrose, 1 g lyophilized material contained 197 mg oxalic acid, 4.6 mg uridine and uracil and 22 (ig lumiflavin. Only the isolated lumiflavin stimulated photosynt...

A new species of scincid lizard, Lipinia sekayuensis sp. nov. from Hutan Lipur Sekayu, Terengganu State in northeastern Peninsular Malaysia is most similar to L. surda (Boulenger) but differentiated from it and all other species of Lipinia by having the combination of an adult SVL of 42.3 mm; six supralabials; five infralabials; four supraoculars; prefrontals widely separated; two loreals; fuse...

Several lamellar gratings of 18-in. aperture, with 300 diffraction elements per inch, have been made for determining stellar spectra with wide angle telescopes. Central orders are missing at lambda4800, and weak at adjacent wavelengths. The two, equal first orders are about l(m) weaker than spectra by a prism or echelette grating. Dispersion is linear. The procedure of manufacture is adaptable ...