نتایج جستجو برای: 2005 after determining freeze temporal
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Current state of art approaches such as the susceptible-infected-removed model and machine learning models are not optimized for modeling risks individuals effects local restrictions. To improve drawback these approaches, feedback processing framework is proposed where previously accumulated global statistics estimates generated from spatial-temporal data combined to performance prediction. The...
information about how to manage the extraction socket with regenerative techniques (Barone et al, 2008). This will simplify and lead to more predictable placement of implants in the most ideal position (Cardaropoli, Araújo, Lindhe, 2003; Cardaropoli et al, 2005). The results of a recent study show that acellular dermal matrix (ADM), used as membrane associated with an inorganic bovine-derived h...
To prepare tissues for analysis of NAD(+), NADH, NADP(+), and NADPH, common practice is to freeze samples in liquid nitrogen, often followed by freeze-drying, before extraction in HCl or NaOH. With cucumber (Cucumis sativus L.) cotyledons, prefreezing in liquid nitrogen or slower freezing to -20 degrees C yielded substantially lower values for NADH and NADPH than obtained from samples homogeniz...
Survival rates of Ascosphaera aggregata and Ascosphaera apis over the course of a year were tested using different storage treatments. For spores, the storage methods tested were freeze-drying and ultra-low temperatures, and for hyphae, freeze-drying, agar slants, and two methods of ultra-low temperatures. Spores of A. aggregata and A. apis stored well at -80 degrees C and after freeze-drying. ...
Ferrous and ferric sulphates and (oxy)hydroxides can grow on pyrite surfaces and slow oxidation rates. However, in northern climates, repeated freeze/thaw cycles can cause cracks, channeling and exposure of new surfaces. In the present study, weathering in a repeated freeze/thaw experiment was compared to a regular humidity cell experiment. Introductory results (after 17 weeks) show very small ...
Temporal reference is an issue of determining how events relate to one another. Determining temporal relations relies on the combination of the information, which is explicit or implicit in a language. This paper reports a computational model for determining temporal relations in Chinese. The model takes into account the effects of linguistic features, such as tense/aspect, temporal connectives...
Freeze-dried spermatozoa are capable of participating in normal embryonic development after injection into oocytes and thus useful for the maintenance of genetic materials. We recently reported that long-term preservation of freeze-dried mouse spermatozoa by conventional methods requires temperatures lower than -80 degrees C. Successful permanent preservation of mouse spermatozoa at much higher...
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