Báo cáo khoa hoc:"On the precision of estimation of genetic distance" pot

... ’natural’ K estimator of the distance is obtained from D = 2 )w kDk )/W+ where the k-1 weight w! is proportional to the reciprocal of the variance of the distance Dk ACKNOWLEDGEMENTS The ... the deviation of 7r from 1/2, the higher the bias as observed in the simulation. Regarding the variance of the true distance d, simulation...

Ngày tải lên: 09/08/2014, 18:21

... the error commited by the tagger is other than the er- ror in the test corpus, but wrongly evaluated as right (false positive) if the error is the same. Table 1 shows the computation of the ... state than one of the taggers performs better than the other when the two intervals overlap, since this implies a chance that the real performances of both taggers...

Ngày tải lên: 08/03/2014, 05:21

... for the initial decrease of the oxalo- acetate concentration in t he equilibrium due to the accumulation of NADH [25]. Lineweaver–Burk diagrams were obtained b y use of the worksheet of the program EXEL 98 ... propionyl-CoA in the DmcsA-strain, the activity of methylisocitrate lyase is twice as high than that of the wild-type. The addition of acetate to these m...

Ngày tải lên: 19/02/2014, 16:20

... checks whether required components of the definition of the class are also present in the description of the instance. This also permits easy representation of modifications to the definition, ... irrelevant to the matching process. The transformation is performed by means of a process of ~ inmtRntlat~nn OF the deflnition the translation of the de/ini...

Ngày tải lên: 21/02/2014, 20:20

... higher the p-value attached to an operator, the closer is the interpretation of that operator in accordance with the rules of ordinary Boolean logic. On the other hand, the smaller the p-value, ... must be used. The results of Table I show that for the CACM queries the best overall policy is a complete softening of the Boolean operators down to p = 1. Evide...

Ngày tải lên: 22/02/2014, 09:20

... slightly different way. The two readings of (7) do not differ in the relative scope order of two quantifiers. Rather, the difference is that on the narrow scope reading, the discourse referent ... wide-scope reading of the existential NP a book. The former corresponds to the constituent structure of (7), the latter is due to a "delayed application"...

Ngày tải lên: 22/02/2014, 10:20

... nitrogen limitation. The identity of these protein spots in the 2D gels for different growth condi- tions was confirmed by MALDI-RTOF MS analysis of the corresponding spots. The peptide mass finger- printing ... shown). Identification of the two major components of the secretome on glucose via cross-species identification For protein identification of spots g1 and g2, the s...

Ngày tải lên: 07/03/2014, 12:20

... e 2 ) pret → cause(e 1 , e 2 ) rlt ) The Rate VNMA transfers the qualitative rate of progress of events in the source domain to the qual- itative rate of progress of its mappee: Rate: ∀e, r(rate(e, ... the importance of relations between text segments in discourse interpretation. In fact, the incorporation of the above types of information ties in well with the...

Ngày tải lên: 08/03/2014, 03:20

... compart- ment of the control and one compartment of the sample cell and the reference line was determined (A 0 ). Then acarbose (1.7–6.5 m M ) was added to the buffer compartment of the control and to the ... presence and in the absence of the inhibitor acarbose, respectively, of the potential inhibitors a-, b-andc-cyclodextrin are reported. Using a statistical ana...

Ngày tải lên: 08/03/2014, 08:20

... below), the base axes are Identical to those of the point of observation. If the point of observation Is away from the reference object (figure B), the base axes are a mirror iMge of those of the ... vertical of the observer (it will not be the gravitational vertical If the observer Is lying down, or not In the gravitational field), and the other or...

Ngày tải lên: 08/03/2014, 18:20