نتایج جستجو برای: nanocrystalline foil
تعداد نتایج: 15080 فیلتر نتایج به سال:
We are reporting the results of studies on issues related to the injection stripping foil in the Spallation Neutron Source (SNS) accumulator ring. The problems related to foil heating and foil lifetime, such as current density distribution and temperature distribution in the foil, are investigated. The impact of injection errors on the beam losses at the foil is studied. The particle traversal ...
The method of foil embedding is employed in solid propellant motors with end-burning configuration, thereby significantly improving the burning rate of the propellants. These foils provide such amplification by locally augmenting heat feedback from propellant combustion products to unburned solid material, with resultant increase in burning surface area. Burning rate would raise with the incr...
It is known that work pieces with nanocrystalline structure condition have much higher performance than those with an ordinary structure. There are known number of techniques for manufacturing of nanocrystalline materials in powder condition however a question of manufacturing bulk pieces in the same nanocrystalline state mentioned is that compaction and synthesizing of nanocrystalline powders ...
The properties of nanocrystalline materials are essentially determined by the grain size and the properties of the grain boundaries of the respective material. Using PAC for the investigation of nanocrystalline materials new information about structural properties and, in case of nanocrystalline semiconductors, electronic properties are obtained. In combination with “classical” experimental tec...
As software systems become larger and more complex, developers require the ability to model abstract concepts while ensuring consistency across the entire project. The internet has changed the nature of software by increasing the desire for software deployment across multiple distributed platforms. Finally, increased dependence on technology requires assurance that designed software will perfor...
Date syrup powder is a new product which can be used as sugar substitute. First, the date syrupwas spread out on a foil and placed in the oven at 60°C for 24 hours. Date syrup was separated from the foil andgrinded. 2% agar and 2% starch were added and syrup with agar and starch that was in a lumpy shape werecrushed and spread on the foil and placed at 60°C for 24 hours. Powdered granules, agar...
This paper is concerned with FS-FOIL—an extension of Quinlan’s First-Order Inductive Learning Method (FOIL). In contrast to the classical FOIL algorithm, FS-FOIL uses fuzzy predicates and, thereby, allows to deal not only with categorical variables, but also with numerical ones, without the need to draw sharp boundaries. This method is described in full detail along with discussions how it can ...
In this paper, we aim to understand whether current language and vision (LaVi) models truly grasp the interaction between the two modalities. To this end, we propose an extension of the MSCOCO dataset, FOIL-COCO, which associates images with both correct and ‘foil’ captions, that is, descriptions of the image that are highly similar to the original ones, but contain one single mistake (‘foil wo...
The extent to which Chinese is represented phonologically or orthographically in verbal short-term memory was investigated using a short-term cued recall task (Tehan & Humphreys, 1998). In all conditions, proactive interference was induced by providing a retrieval cue (e.g. wild animal) that subsumed a to-be-recalled target word (e.g. leopard) and a to-beforgotten foil word (e.g. tiger), so tha...
We report transmission electron microscope observations that provide evidence of deformation twinning in plastically deformed nanocrystalline aluminum. The presence of these twins is directly related to the nanocrystalline structure, because they are not observed in coarse-grained pure aluminum. We propose a dislocation-based model to explain the preference for deformation twins and stacking fa...
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