the effect of corpus size

... (1) The coefficient of interest, γ1 , is the percentage effect of HNC on air pollution The vector of covariates, xt , includes indicator variables for month of the year, day of the week, and hour of ... Similar methods are then applied to In the days immediately following the implementation of HNC the media coverage focused on the large number of vehicles being impounded, the amount of money generated ... variation Limiting the sample to include observations from a relatively narrow range of dates is important because it helps disentangle the effect of HNC from the effect of other time-varying factors

Ngày tải lên: 29/03/2014, 14:20

... assets of women, and on the health and earnings of children. Miller (2010) uses variations in the timing of the introduction of the Profamilia program in Colombia to identify both the e¤ect of contraceptive ... horizons For the …rst 35 years of the simulation, the path of. .. depending on the fraction of the population made up of such adults To address this problem, we do all of our analysis ... review these three approaches, and we also discuss a number of studies that have presented broad syntheses of research on the topic. Of course, the existing literature is vast in all of these

Ngày tải lên: 31/03/2014, 05:21

... intensity of thinning was set to account for 15–10% of the basal area during the fi rst half of the rotation period (up to the age of 50 years) and for 10–6% of the basal area in the second half of ... 461–473 461 JOURNAL OF FOREST SCIENCE, 56, 2010 (10): 461–473 Supported by the Ministry of Agriculture of the Czech Republic, Project No. MZE 0002070203, and by the project of the Czech Science ... subsid- ed in the period of August–September.  erefore, temperatures in the period of April–June and pre- cipitation in the period of June–August are of great signifi cance in the driving diameter

Ngày tải lên: 07/08/2014, 10:21

... model the genotypic mean and the genetic variance covariance matrix at the MQTL [8, 29]. Thus, the effects of the marker genotypes can be included as fixed effects and the gametic effects of the MQTL ... matrices of the random effects in the model. When only pedigree and trait information are used for genetic evaluation, the inverse of the conditional vari- ance covariance matrix of the vector of unobservable ... obs  . (4) If the marker genotypes of d and s are known and j is not a direct descendant of i, the descent of allele Q k i i from one of the alleles of d or s, is independent of the event that

Ngày tải lên: 14/08/2014, 13:22

... the predictions of the model were biased in some measurement periods, the overall behaviour of the model was logical within the limits of the dataset used. The model is able to quantify the effects ... yield of these mixtures. The objective of the present study was therefore to investi- gate the effect of beech admixture on the relationship between basal area increment and stem diameter of oak ... referring to these data, the term “modelbuilding data set” when referring to the calibra- tion data. In order to examine the performance of the model, we used the fixed part of the model. The following

Ngày tải lên: 07/08/2014, 16:20

... Further results indicate that increasing the width of the area to the left of the greenbelt (i.e increasing g) allows one to decrease the width of the greenbelt while achieving the same delay of ... outside the standard deviations of either trial, than does the tent pattern (Table 2) This is because the location of the seed service center in the middle of the left edge coincides with the top of ... be explained by the greater amount of time, at g¼ 40, the clusters of development have to align themselves with the ridges of the aesthetic quality surface and, with the help of the new service

Ngày tải lên: 23/03/2014, 13:20

... by the sum of the. .. published the results of their studies on random entries They used various types of entry signals to enter the market when doing historical testing The ... what one would expect from entering the market. .. the sum of the starting equity and the net profit On the ordinate we can see the number of ocurrences for a specific bins We ... set The result of the simulation confirmed the best performance characteristics for the synthetic data sets The extreme right data points on the graphs represents cases where the

Ngày tải lên: 28/06/2014, 21:20

... indicate the need for a good control of competing vegetation at the base of the tree from the first year after planting Further studies are required to determine (1) whether and when the control of the ... selected Three of the stands were planted in 2003, the year before the study (2-year-site, 2YS), and the other three at the beginning of May 2004 (1-year-site, 1YS) All the sites were cleared of woody ... the application of the treatments, no difference in inter-row weed biomass was found between the mowed plots (M) and the control (V) (Tab I) The application of herbicides in the beginning of the

Ngày tải lên: 07/08/2014, 16:20

... consequence of the presence of the trees but the cause of tree distribution in dehesas, as Geiger et al. [13] have de- scribed for some Sahelian savanna-trees. Irrespective of the origin of the improved ... the determination of θ,inorder to get the dry weight of soil. A total of 1290 determinations were done. Aliquots of three randomly selected trees per plot were used for the determination of the ... February or March until the beginning of June (Fig. 2). In 2005, however, the soil dried out since November of the previous year and in January the reserve of water in the first meter depth was

Ngày tải lên: 07/08/2014, 16:21

... allowed the assessment of model reliability. The analysis of the interaction between species effect and ecological zone effect demonstrates the predominance of the species effect. Neither zone effect, ... content and the percentage of vescalin, castalin, roburin A and C on the one hand and the percentage of vescala- gin and vescalagin/castalagin ratio on the other hand. The significance of these correlations ... related with them by formation – hydrolysis pathways [24,42]. However the absence of correlation between these two groups emphasizes the complex character of these transformations. The total and

Ngày tải lên: 08/08/2014, 00:22

... of DENV sequences in the GenBank has given a better picture of the genetic diversity of these viruses, suggesting the existence of intragenotipic groups within each genotype. Identification of ... analysis of the topology of the phylogenetic tree suggests the existence of intragenotipic groups (Figure 1). To better characterize these internal groups, protein E gene sequences of members of each ... Alignment of nucleotide and amino acid sequences of the E protein of the 36 1 strains of DENV -3 The file provides details on all the variable sites distributed in the E

Ngày tải lên: 12/08/2014, 04:21

... QTL explaining 25% of the phenotypic variance The design of two half sib families each of size 64 was further investigated for a hypothetical population with effective size of 1000 simulated for ... of large size However, the difference is small in half sib designs The proportion of replicates with the QTL positioned within cM of the true position is 0.71 in the best design, and 0.68 in the ... phenotypic data The first part of the simulation was designed to generate a variety of populations modeled by varying numbers of effective population size (Ne) and the length of the population history

Ngày tải lên: 14/08/2014, 13:22

... starting in year 6 of the breeding programme. Year 6 of the breeding programme is the first dot on the right. At the beginning of the breeding programme (result not shown), the purebred MW line ... an effect on the number of back- cross generations, as does the initial difference in trait expression between the donor and recipient line. They concluded that the maximum genetic advantage of the ... evaluated for their results in the last year (year 20) of an introgression programme. The comparison of the results was based on the difference in profit between the introgression product and the initial

Ngày tải lên: 14/08/2014, 13:22

... observed Both these information improve the estimation of QTL effects and therefore the efficiency of MAS The increment of genotyped animals is not only due to the continuous application of the MAS program ... parents, the polygenic effect was equal to the sum u of the mean polygenic effects of the parents and the Mendelian sampling drawn from a normal distribution with the variance adjusted for number of ... regarding the population structure, the marker informativity, the number of genotyped animals, the number of animals with records and the precision of these records, etc Variances of the QTL used

Ngày tải lên: 14/08/2014, 13:22

... generally large and they were the largest for the epistatic effects. These of the dominance effects were larger than those of the additive effects. The asymptotic standard deviation of the position estimates ... one of the additional parameters. If all the subsets of the null hypothesis are not rejected based on the separate tests, the null hypothesis will not be rejected. The rejection of any subset of ... even more the standard errors of the nonadditive genetic effect. .. easiest among the following tasks: the identification of the number of the QTL, localization of the QTL

Ngày tải lên: 14/08/2014, 13:22

... consider the intensive margin elasticity for the volume of exports in Table 5, 0.23. In the case of the continu- ation margin, on the other hand, the elasticities change significantly with the size of ... the difference in the export elasticity to credit across observable charac- teristics of the export flows, namely, the size of the flow and the distance to destination. These variations add to the ... is due to the change in the price of Peruvian exports. The decline in the growth of export volume was 12.8%. One third of this decline is explained by the drop in the intensive margin. The rest...

Ngày tải lên: 16/02/2014, 03:20

... indicator and therefore when these signals are given, they will be most likely contrary to most of the news of the moment and the opinions of the well known and most widely quoted gurus of Wall Street. ... to smooth out the swings. The public is usually wrong about the trend of the market. If they are shorting heavily the market is usually ripe for an upturn. On the other hand, if they are doing ... smooth out the swings. Specialists are normally right about the trend of the market and if they are shorting heavily the market is usually ripe for a correction. On the other hand, if they are...

Ngày tải lên: 17/01/2014, 03:20

... straightforward. 4.2 Modelling the effects of air pollution The effects of air pollution are typically assumed to be constant (represented by γ), or depend on the level of air pollution, the latter of which replaces ... composition of harm- ful pollutants, or from a change in the size and structure of the population at risk over a number of years. The only previous studies which investigate the time-varying effects of ... zero for the rate δ 0 , and 3.5 for (β −1 , β 0 ), the average of mortality data from previous years on the logged scale. 5.2.2 Modelling the effects of PM 10 After modelling the influence of unmeasured...

Ngày tải lên: 17/02/2014, 10:20

... OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  Please keep track of the latest security patches and advisories at the ... these extensions, with copies of the malicious code. If it finds a mp2 or mp3 file, it creates a copy of itself in a .vbs file within the directory. The name of the file corresponds to the ... Windows 3.1 are either registered trademarks or trademarks of Microsoft Corporation in the U.S.A. and other countries. (U) All other names are registered trademarks or trademarks of their respective...

Ngày tải lên: 22/10/2013, 16:15

... employees. What share are these small businesses of the overall economy, and what is the role of im- migrants in them? Second—and for the larger part of this re- port—we look at the immigrant small ... share of labor force is 36 percent and immigrants are 35 per- cent of business owners. At the other end of the spectrum, in places with low immigrant share of the poplulation, immigrant share of ... Mississippi, Ohio, and Michi- gan at the top of the list of states where immi- grants are playing a role as businesss owners disproportionate to the size of the immigrant population. Ohio and...

Ngày tải lên: 18/02/2014, 00:20