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Now showing items 2172-2191 of 36402
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B-log on social change and educational reform: The case of a university class in Greece
(2010)The use of blogs as a teaching method is something new for the Greek education. The financial and structural problems of the latter however, have not yet permitted the application of new technologies to be fully explored ... -
b=N x M x m
(2011)Η παρακάτω διπλωματική έχει ως σημείο αφετηρίας το pixel (pixel = PICure Element _ στοιχείο εικόνας), το οποίο αποτελεί την ελάχιστη πληροφορία με τη μέγιστη δυνατή μεταβλητότητα για τη δημιουργία ψηφιακής εικόνας. To pixel ... -
BaCeO3: Materials development, properties and application
(2014)The characteristic of a number of oxide materials, which include BaCeO3-systems, is their ability to show the proton conductivity along with oxygen-ion conductivity. Such atypical behavior for other oxides attracts great ... -
Bacillus cereus: an important foodborne pathogen
(2010)B. cereus is a spore-forming bacterium, frequently found in the environment. Most of the strains can grow at a temperature range of 10 degrees - 42 degrees C. B. cereus grows under aerobic conditions, but anaerobic growth ... -
Back pressure based multicast scheduling for fair bandwidth allocation
(2005)We study the fair allocation of bandwidth in multicast networks with multirate capabilities. In multirate transmission, each source encodes its signal in layers. The lowest layer contains the most important information and ... -
Backorder penalty cost coefficient "b": What could it be?
(2010)The classical economic order quantity (EOQ) model with planned penalized backorders (PB) relies on postulating a value for the backorder penalty cost coefficient, b, which is supposed to reflect the intangible adverse ... -
Bacterial and archaeal phylotypes associated with distinct mineralogical layers of a white smoker spire from a deep-sea hydrothermal vent site (9 degrees N, East Pacific Rise)
(2006)A diffusely venting chimney spire from the East Pacific Rise (9 degrees N) was analysed by petrographic thin sectioning and 16S rRNA gene cloning and sequencing in parallel, to correlate microbial community composition ... -
Bacterial and archaeal phylotypes associated with distinct mineralogical layers of a white smoker spire from a deep-sea hydrothermal vent site (9°N, East Pacific Rise)
(2006)A diffusely venting chimney spire from the East Pacific Rise (9°N) was analysed by petrographic thin sectioning and 16S rRNA gene cloning and sequencing in parallel, to correlate microbial community composition with ... -
Bacterial Bronchitis Caused by Streptococcus pneumoniae and Nontypable Haemophilus influenzae in Children The Impact of Vaccination
(2013)Background: Protracted bacterial bronchitis is a major cause of persistent cough in childhood. The organisms most commonly isolated are nontypable Haemophilus infiuenzae and Streptococcus pneumoniae. There are no studies ... -
Bacterial flora and risk of infection of the ovine teat duct and mammary gland throughout lactation
(2007)We collected samples of teat duct material and mammary secretion from ewes in three farms (flock A, polyparous n = 7; flock B, polyparous n = 6, primiparous n = 4; flock C, polyparous n = 4): 14 samples immediately after ... -
The bacterial flora in the teat duct of ewes can protect against and can cause mastitis
(2007)We studied the possible effects of bacterial populations within the teat duct, in the pathogenesis of ovine mastitis. In experiment I, 32 ewes were allocated into group A (ewes from which we isolated (+++ growth) ... -
Bacterial HOCI resistance
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Bacterial live vaccines with graded level of attenuation achieved by antibiotic resistance mutations: transduction experiments on the functional unit of resistance, attenuation and further accompanying markers
(1998)At least 10% of spontaneous chromosomal antibiotic resistant mutants of bacteria express a strain-dependent graded reduction of virulence; this correlates linearly with a prolonged generation time. Occasionally, these ... -
Bacterial phylotypes associated with the digestive tract of the sea urchin Paracentrotus lividus and the ascidian Microcosmus sp
(2007)We used sequencing and phylogenetic analysis of PCR-amplified 16S rRNA genes from bacteria that are associated with the esophagus/pharynx, stomach and intestine of two marine sympatric invertebrates but with different ... -
Bacterial β-barrel outer membrane proteins: A common structural theme implicated in a wide variety of functional roles
(2008)β-barrel outer membrane proteins constitute the second and less well-studied class of transmembrane proteins. They are present exclusively in the outer membrane of Gram-negative bacteria and presumably in the outer membrane ...
