نتایج جستجو برای: heterogeneous sample
تعداد نتایج: 528257 فیلتر نتایج به سال:
Distributed search is an effective way to search information over thousands of information collections available on the web. As an important feature in distributed search, collection size plays a vital role in resource representation and selection. This paper proposes two novel algorithms to estimate collection size in uncooperative environments. Sample high frequent resample (SHFRS) algorithm ...
We use confocal microscopy to directly visualize the dynamics of ageing colloidal glasses. We prepare a colloidal suspension at high density, a simple model system that shares many properties with other glasses, and initiate experiments by stirring the sample. We follow the motion of several thousand colloidal particles after the stirring and observe that their motion significantly slows as the...
in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...
Data from high-energy physics (HEP) experiments are collected with significant financial and human effort and are mostly unique. An inter-experimental study group on HEP data preservation and long-term analysis was convened as a panel of the International Committee for Future Accelerators (ICFA). The group was formed by large collider-based experiments and investigated the technical and organis...
To understand in detail duality between heterotic string and F theory compactifications, it is important to understand the construction of holomorphic G bundles over elliptic Calabi-Yau manifolds, for various groups G. In this paper, we develop techniques to describe these bundles, and make several detailed comparisons between the heterotic string and F theory.
We show that inflation can occur in the core of a Q-ball.
Extending the Minimal Supersymmetric Standard Model with three righthanded neutrino superfields is one of the best motivated scenarios for physics beyond the Standard Model. However, very little is known from observations about the high energy parameters of this model. In this paper we show, under the plausible assumptions that the neutrino Yukawa eigenvalues are hierarchical and the absence of...
Nuisance parameters are common in high energy physics (HEP), and various methods are used for incorporating their effects into measurements of physics interest. A survey of some of the professional statistics literature provides justification for and insight into most of the methods commonly used in HEP. There are extensions and refinements whose usefulness could still be explored, especially i...
We present our vision for Altocumulus, a new model for heterogeneous computing that establishes an intermediate layer between cloud computing and the devices at the edge of the network by harvesting their resources and coordinating their use. We discuss this idea by illustrating examples of potential applications and summarizing the results of our prior work that provide some base frameworks fo...
This white paper is sent by INFN network team, the Italian National Institute for nuclear physics, whose network, named INFNet, is a nationwide network founded to provide the access to existing national and international HEP laboratory and to facilitate communications between the researchers. With this paper we would like to emphasize the key points that we would to consider if charged with IPn...
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