The oriented diameter of a bridgeless graph G is min{diam(H) |H is an orientation of G}. A path in an edge-colored graph G, where adjacent edges may have the same color, is called rainbow if no two edges of the path are colored the same. The rainbow connection number rc(G) of G is the smallest integer k for which there exists a k-edge-coloring of G such that every two distinct vertices of G are...

The final cleavage event that terminates cell division, abscission of the small, dense intercellular bridge, has been particularly challenging to resolve. Here, we describe imaging innovations that helped answer long-standing questions about the mechanism of abscission. We further explain how computational modeling of high-resolution data was employed to test hypotheses and generate additional ...

Relational Match to Sample (RMTS) is a common test of relational reasoning involving matching cards based on the relations “same” and “different”. Children below the age of five fail RMTS, even with corrective feedback. Given that success on RMTS depends on the ability to represent and compare ”same” and ”different”, such failure has been interpreted as indicative of the absence of these abilit...

To support a great number of dispersed users in a wider area with high-speed communication services, we develop a large-scale and ultra high-speed MAN based on hierarchical ring con®guration. The network is constituted by backbone and local rings, which are connected by bridges. In such a network, trac congestion may always occur due to the mismatch of transmission speed between backbone and l...

This study redescribes an arthroscopic bridge technique for repair of avulsion of the posterior cruciate ligament. The procedure is performed step-to-step. In this technique we created two bone tunnels in the anterior aspect of the tibia and inferior medial of the tibia tuberosity and then create suture fixation of the fragment using the suture bridge. The arthroscopic bridge technique was used...

OBJECTIVE Ventricular assist devices (VAD) are an important therapy that saves the lives of candidates a waiting heart transplantation (HTx). However, there are questions about posttransplantation effects of VADs. METHODS Seventy-four patients with end-stage heart failure who underwent HTx in our clinic between February 2007 and July 2011 were divided into two groups; a bridge cohort (n = 28)...

We investigated the levels of radio frequency electromagnetic fields (RF EMFs) emitted from marine ship transmitters. In this study, we recorded the radio frequency (RF) electric field (EF) levels emitted from transmitters from a marine vessel focusing on the areas normally occupied by crew members and passengers. Previous studies considered radiation hazard safety assessment for marine vessels...

introduction: the aim of the present investigation was to compare the efficacy of mineral trioxide aggregate (mta) and 0.2% chlorhexidine (chx) mixture to pure mta, as a pulp capping material. methods and materials: the pulp of 24 lateral incisors and canines from four dogs were exposed and capped either with mta or mta+0.2% chx. after 2 months the animals were sacrificed and the teeth were pre...

Tunnel–bridge–tunnel groups (TBTGs) are emerging roads that often involve simple road alignments, but complex driving environments. Investigating crashes occurred in TBTGs is essential for revealing the environment–adaptability relationships such roads. This study seeks to analyze crash characteristics of component sections with different environments and compare impact differences key factor o...