نتایج جستجو برای: freezing thawing cycles
تعداد نتایج: 109142 فیلتر نتایج به سال:
One of the most practical ways to reduce demand for natural aggregates in construction industry and dispose demolition (C&D) wastes landfills is using recycled concrete aggregate (RCA) pavement base subbase applications. Previous researches have mainly concentrated on engineering behavior C&D under ambient temperature. Little research has been directed toward possible impact temperature perform...
In this study, the physicochemical and sensory quality characteristics due to the influence of various thawing methods on electro-magnetic and air blast frozen pork were examined. The packaged pork samples, which were frozen by air blast freezing at -45℃ or electro-magnetic freezing at -55℃, were thawed using 4 different methods: refrigeration (4±1℃), room temperature (RT, 25℃), cold water (15℃...
The serious health risks posed by bone fractures create a growing need for accurately diagnosing fracture risk. The Reference Point Indentation instrument (RPI) directly measures key mechanical properties in vivo to assess bone fracturability. There is a wealth of information that could be obtained from measuring cryopreserved bone samples with the RPI. Since it is unknown how freezing affects ...
Preservation of bacteria at the temperature of dry ice (-78.5 C) is a particularly valuable method for the maintenance of such organisms as Treponema pallidum which otherwise require continuous animal-to-animal passage. Turner (1938), Turner and Fleming (1939), and Turner and Brayton (1939) demonstrated that at the temperature of dry ice T. pallidum and relapsing fever spirochetes retain their ...
[1] Thawing and freezing processes are key components in permafrost dynamics, and these processes play an important role in regulating the hydrological and carbon cycles in the northern high latitudes. In the present study, we apply a well-developed soil thermal model that fully couples heat and water transport, to simulate the thawing and freezing processes at daily time steps across multiple ...
Background: Freezing and thawing induce a number of insults to the sperm cells, such as low motility and low fertilization capability. For evaluation of hyaluronan (HA) supplementation on sperm characteristics, we investigated the effect of hyaluronan (HA) on mouse sperm before freezing and after thawing. Methods: For this purpose we removed cauda epididimes from 24 male mice with aseptic meth...
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