Light can be scattered either elastically or inelastically. Raman scattering is an inelastic process. From the macroscopic point of view an incoming photon is scattered at the lattice. This process induces a phonon in the solid and reduces the energy of the photon by the energy lost in the scattering event. However, this description implies a direct interaction of the photon and the phonon. Suc...

Effectiveness of Vitamin P Compounds in Counteracting Anticoagulant Action of Dicoumarol: Gustav J. Martin and Vinton Swayne ............ 201 Effect of p-Chlorophenoxyacetic Acid on the Vitamin C Content of Snap Beans Following Harvest: John W. Mitchell, Boyce D. Ezell, andM arguerite S. Wilcox ....................................... 202 A Quantitative Hardness Tester for Food Products:Edward R...

Pasteurization parameters for grade A milk are well established and set by regulation. However, as solids levels increase, an increased amount of heat is required to destroy any pathogens present. This effect is not well characterized. In this work, the effect of increased dairy solids levels on the thermal resistance of Listeria monocytogenes was examined through the use of ultrafiltered (UF) ...

The distribution and quantitation of enteroviruses among water, suspended solids, and compact sediments in a polluted estuary are described. Samples were collected sequentially from water, suspended solids, fluffy sediments (uppermost layer of bottom sediments), and compact sediment. A total of 103 samples were examined of which 27 (26%) were positive for virus. Polioviruses were recovered most...

BACKGROUND Gyr cows are well adapted to tropical conditions, resistant to some tropical diseases and have satisfactory milk production. However, Gyr dairy herds have a high prevalence of subclinical mastitis, which negatively affects their milk yield and composition. The objectives of this study were (i) to evaluate the effects of seasonality, mammary quarter location (rear x front), mastitis-c...

OBJECTIVE To assess the relations between early introduction of solid food and infant weight, gastrointestinal illness, and allergic illnesses during the first two years of life. DESIGN Prospective observational study of infants followed up for 24 months after birth. SETTING Community setting in Dundee. PATIENTS 671 newborn infants, of whom 455 were still available for study at 2 years of...

The objective of this research was to develop a method to predict the amount of total solids leached during rice cooking using light transmittance at 650 nm with an ultraviolet-visible spectrometer. Rice was cooked in excess water for different durations, the transmittance was measured, and the solids were determined gravimetrically after evaporation of the water. Results of leached solids obta...

The tetrahedron, the cube, the octahedron, the dodecahedron, and the icosahedron. From a first glance, one immediately notices that the Platonic Solids exhibit remarkable symmetry. They are the only convex polyhedra for which the same same regular polygon is used for each face, and the same number of faces meet at each vertex. Their symmetries are aesthetically pleasing, like those of stones cu...

The rotational invariance of energy is ensured by the implicit sum over the indices (i, j) in the above expression. In the Fourier representation, the energy depends on the quantities q, |u|, and (q · u) which are clearly independent of rotations. For other lattices, there are more elastic coefficients, since the energy should only be invariant under lattice rotations. For example, the symmetry...

We study properties of double covers of P ramified along nodal sextic surfaces such as non-rationality, Q-factoriality, potential density, and elliptic fibration structures. We also consider some relevant problems over fields of positive characteristic. 2000 Mathematics Subject Classification. Primary 14E05, 14E08, 14G05, 14G15, 14J17, 14J45. All varieties are assumed to be projective, normal, ...