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Category:21st-century women writers
Category:Living peopleDaily Archives: August 18, 2014
Monday, August 17, 2014
In Italy, strong winds and heavy rain may bring flooding and mudslides.
Monday, August 17, 2014:
A powerful storm is producing strong winds, heavy rains, and isolated thunderstorms across the Lower 48 states. A dangerous storm is expected to develop in eastern Montana by Tuesday night, then track across the northern Great Plains, into the Northern Rockies, and into the Pacific Northwest. The storm is forecast to develop into a depression by Tuesday morning, and strengthen into a major winter storm by late Wednesday.
Preliminary forecasts show that the storm may produce up to 8 inches of rain across the northern and central Plains, with isolated amounts of up to 10 inches. This would cause flooding and mudslides. Up to 2 inches of rain is expected in the northern Rockies, and up to 3 inches in the Pacific Northwest.
There are also some threats of strong thunderstorms, some of which could produce hail and damaging winds.A new rapid-cooling method (1.8 mum thick) for scanning electron microscopy of hydrated biomembranes.
A new method of scanning electron microscopy of hydrated biomembranes is described. Frozen-hydrated samples are transferred from a cryomount onto a freshly cleaved mica surface by the contact mode of a'suction-cup' probe. The samples are then quickly (less than 1 min) cooled to -95 degrees C, and transferred to the microscope stage. The dimensions of the sample, the sample-holding device, and the conditions of the cryo-transfer are such that the water ice layer formed on the sample and probe surfaces during the cryo-transfer does not alter the structure of the membrane. This rapid-cooling method thus allows the study of membrane structures at high resolutions (1.8 nm on the surface and 6 nm in the thickness) with no artefactual change of the specimen or damage to the structure of the membrane.High and low field relaxometry of the aorta: interobserver variation in a healthy population and the influence of blood perfusion pressure.
To assess the interobserver variation in measurement of T1 and T2 relaxation time constants of the descending thoracic aorta in an unselected cohort of volunteers, and to evaluate ac619d1d87
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