منابع مشابه
Sporulation in Distilled Water
Spores are formed when vegetative cells of sporing aerobes are shaken with distilled water at 37 degrees . These spores are derived from the small number of cells which survive lysis. The sporulation process involves increase and concentration of solid material in the cell, and is achieved at the expense of the products of lysis of 80 to 90 per cent of the resuspended cells.
متن کاملInactivation of Vibrio parahaemolyticus in distilled water.
Vibrio parahaemolyticus cells are readily inactivated in distilled water. The time of exposure required to inactivate 90% of the cells was between 0.9 and 4.4 min.
متن کاملScrew-shaped Contaminant of Distilled Water.
FIG. 9. Direct contact photography of Armillaria mellea hyphae by its own light. Kodak Microfile, 3-hr exposure. Negative photomicrographed; figutre constitutes a negative print. Arrows indicate clamp connections. X 1,200. FIG. 10. Direct contact photography of Armillaria mellea by its own light. Polaroid Type 55 P/N filn, 30-min exposure. Negative photomicrographed on Microfile film, figuire c...
متن کاملAnalyzing sound speed fluctuations in shallow water from group-velocity versus phase-velocity data representation.
Data collected over more than eight consecutive hours between two source-receiver arrays in a shallow water environment are analyzed through the physics of the waveguide invariant. In particular, the use of vertical arrays on both the source and receiver sides provides source and receiver angles in addition to travel-times associated with a set of eigenray paths in the waveguide. From the trave...
متن کاملInfluence of Aging Temperature on Mechanical Properties and Sound Velocity in Maraging Steel M350
In the present work, the influence of aging temperature on mechanical properties and sound velocity of Maraging steel M350 was investigated. For this purpose, first, samples were solution annealed at 825◦C for 2 hours and then age hardened at 510◦C-600◦C for 3 hours. Hardness, tensile and impact tests were used for determining mechanical properties and longitudinal ultrasonic velocity was used ...
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ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 1958
ISSN: 0001-4966
DOI: 10.1121/1.1930020