OBJECTIVES: The survival and success rate and the quality of survival of partial ceramic restorations bonded employing Immediate (IDS) or Delayed Dentin Sealing (DDS) in vital molar teeth were evaluated in a randomized clinical trial with within-subject comparison study. MATERIALS AND METHODS: 30 patients …

This paper describes the concept of a new algorithm to control an Unmanned Aerial System (UAS) for accurate autonomous indoor flight. Inside a greenhouse, Global Positioning System (GPS) signals are not reliable and not accurate enough. As an alternative, Ultra Wide Band (UWB) is used for localization. The …

On April 12th 2019, researchers, students and consortia gathered at the World Horti Centre for an update on the overall status of the HiPerGreen project. The day consisted of presentations from a variety of the HiPerGreen students, staff and guest speakers. There were a variety of exciting updates from …

Aanleiding onderzoek Na de 2e wereldoorlog kwam de wereldeconomie weer op gang en werd de vraag naar hoogbouw steeds groter. Diverse grote steden staan inmiddels bekend om de grote wolkenkrabbers, denk maar aan de skyline van New York of Tokio. Hoewel Nederland niet bekend staat als een hoogbouwcultuur, …

“In hoeverre is het door toepassing van funderings- en ontwerpoptimalisaties mogelijk om de bestaande pijlers in de huidige staat te hergebruiken bij toepassing van een bovenbouwconstructie met een rijdek van ultra-hogesterktebeton?”

Nederland heeft een uitgebreid wegennet waarin bruggen en viaducten in grote getalen aanwezig zijn. Circa zestig procent van deze bruggen en viaducten zijn gebouwd voor 1975, hiervan voldoet een groot aantal niet meer aan de gestelde constructieve eisen. De eis waarop de bruggen en viaducten voornamelijk …

The remarkable and continuous growth of the unmanned aircraft market has brought new safety related challenges, as those are recorded in various accident and incident reports. Although drones with an operating weight higher than 20-25Kgs are technologically advanced and often subject to standards (e.g., …

The years ahead will see the creation of a global ecosystem of industrial production processes and products linked in networks. Within this ecosystem, industrial products will be developed, produced/manufactured, monitored and maintained using available data and information. The characteristic of this …

To analyze, interpret and evaluate microscopic images, used in medical diagnostics and forensic science, video images for educational purposes were made with a very high resolution of 4096 × 2160 pixels (4K), which is four times as many pixels as High-Definition Video (1920 × 1080 pixels). The unprecedented …

From Springer description: "We present the design considerations of an autonomous wireless sensor and discuss the fabrication and testing of the various components including the energy harvester, the active sensing devices and the power management and sensor interface circuits. A common materials platform, …