نتایج جستجو برای: the cloud

تعداد نتایج: 16071091  

Journal: :journal of chemical and petroleum engineering 2012
nooshin rahgozar saeid alamdar milani mohammad ali salehi

in this article cloud-point extraction (cpe) was used with chelating agent to extract uranium from aqueous solutions. the methodology used is based on the formation of metal complexes soluble in a micellar phase of surfactant. the metal ions complexes are then extracted into the surfactant-rich phase at a temperature above the cloud-point temperature. the effect of type of surfactants and ligan...

Cloud segmentation is a critical pre-processing step for any multi-spectral satellite image application. In particular, disaster-related applications e.g., flood monitoring or rapid damage mapping, which are highly time and data-critical, require methods that produce accurate cloud masks in a short time while being able to adapt to large variations in the target domain (induced by atmospheric c...

Journal: :جغرافیا و مخاطرات محیطی 0
دینا عبدمنافی امیرحسین مشکوتی سهراب حجام مجید وظیفه دوست

. introduction not only have clouds and precipitation (snow, rain and hail) made up an important part of the subsystem atmospheric phenomena of terrestrial climate, but are also considered as the main components of the water cycle. aerosols play an important role in cloudiness and precipitation. in warm clouds with the same liquid water path, increase in aerosols concentration results in the re...

One of the main features of High Throughput Computing systems is the availability of high power processing resources. Cloud Computing systems can offer these features through concepts like Pay-Per-Use and Quality of Service (QoS) over the Internet. Many applications in Cloud computing are represented by workflows. Quality of Service is one of the most important challenges in the context of sche...

Journal: :فیزیک زمین و فضا 0
محمد حسین معماریان استادیار، گروه فیزیک فضا، دانشکدۀ فیزیک، دانشگاه یزد، ایران مهسا دامن افشان دانشجوی کارشناسی ارشد، گروه فیزیک فضا، دانشکدۀ فیزیک، دانشگاه یزد، ایران

weather predicts are influence in all aspects of life everyday. more importantly weather warnings are important forecasts because they are used to protect life and property. mesoscale numerical weather prediction models are key for weather forecasting, however the accuracy of the predictions are affected by the errors in the numerical models.study of the clouds is challenging and there are many...

Cloud manufacturing is a new paradigm which has been under study since 2010 and a vast body of research has been conducted on this topic. Among them, service composition problems are of utmost importance. However, most studies only focused on private clouds meaning the objective function is defined for just one component of the supply chain. This paper attempts to consider service composition p...

Aim: Nowadays, cloud computing technology use in health care industry widely, because it has benefits such as reduce costs, expand the availability and integrity of information. In this study, nurses' attitude towards cloud computing technology is examined in order to determine the benefits, barriers and infrastructure required for implementation. Methods: This descriptive-analytic study was d...

With the innovation of cloud computing industry lots of services were provided based on different deployment criteria. Nowadays everyone tries to remain connected and demand maximum utilization of resources with minimum timeand effort. Thus, making it an important challenge in cloud computing for optimum utilization of resources. To overcome this issue, many techniques have been proposed ...

Journal: :سنجش از دور و gis ایران 0
محسن حسن زاده شاهراجی دانشگاه خواجه نصیرالدین طوسی علی محمد زاده دانشگاه خواجه نصیرالدین طوسی

in the last two decade the use of aerial laser scanner (als) or lidar (light detection and ranging) sensor in geomatics engineering and surveying application has augmented significantly . the main reason of the mentioned phenomenon is the reliability and accuracy of the data obtained by lidar sensors. the output of lidar is unclassified 3d point cloud. classification of the lidar point clouds i...

The growing amount of information that has arisen from emerging technologies has caused organizations to face challenges in maintaining and managing their information. Expanding hardware, human resources, outsourcing data management, and maintenance an external organization in the form of cloud storage services, are two common approaches to overcome these challenges; The first approach costs of...

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