introduction: transportation is an important iatrogenic endodontic error which might cause failure. this study evaluated the canal transportation caused by neoniti and protaper instruments, using cone-beam computed tomography (cbct) cross sections. methods and materials: this in vitro experimental study was performed on 40 mesiobuccal roots of maxillary first molars. the teeth were scanned with...

To ascertain the generality of a sex difference noted in odor identification ability, the University of Pennsylvania Smell Identification Test (UPSIT) was administered to four groups of subjects: Black Americans (n = 438), White Americans (n = 1559), Korean Americans (n = 106), and Native Japanese (n = 308). The women of all four groups outperformed the men to the same relative degree. The Kore...

In this paper, we propose a method to automatically discover valuable keyphrases in Japanese and link these keyphrases to related Chinese Wikipedia pages. The method that we propose has four stages. Firstly, we extract nouns from a Japanese document using a morphological analyzer and extract the candidates of keyphrases using a method called Top Consecutive Nouns Cohesion (TCNC) [1]. Then, we j...

I use structural portfolio management models to study the joint cross-sectional distribution of managerial ability and risk preferences using manager-level data. The economic restrictions following from theory imply that (i) fund alphas reflect the manager’s ability and risk preferences and that (ii) information in second moments of fund returns can be used to estimate both attributes. The esti...

ABSTRACT- Barley (Hordeumvulgare L.) is one of the most important cereals in the world which is used as human and cattle feed and for malt production. One of the most important steps in a hybrid and selection breeding program of barley is the selection of suitable parents with high general (GCA) and specific combining ability (SCA) for grain yield. In order to estimate the combining ability and...