نتایج جستجو برای: satellite

تعداد نتایج: 80163  

2016
Rachel L. Harding Orna Halevy Shlomo Yahav Sandra G. Velleman

Skeletal muscle satellite cells are a muscle stem cell population that mediate posthatch muscle growth and repair. Satellite cells respond differentially to environmental stimuli based upon their fiber-type of origin. The objective of this study was to determine how temperatures below and above the in vitro control of 38°C affected the proliferation and differentiation of satellite cells isolat...

B. Mohammed Hashim M. Abdullah Sultan

The research used the satellite image (Landsat 7 ETM ) within the thermal infrared sixth band (TIR6) and geographic information system (GIS) to determine the air pollution and its relationship with the land cover (LC) and land use (LU) of Baghdad city. Concentration of total suspended particles (TSP), lead (Pb), carbon oxides (CO, CO2), and sulphur dioxide (SO2) were obtained from 22 ground mea...

Introduction: Having accurate and up-to-date information on the status of land use and land cover change is a key point to protecting natural resources, sustainable agriculture management and urban development. Preparing the land cover and land use maps with traditional methods is usually time and cost consuming. Nowadays satellite imagery provides the possibility to prepare these maps in less ...

2009
Carlo Caini Rosario Firrincieli Daniele Lacamera

Fixed GEO satellite communications are impaired by long RTTs (especially GEO) and the possible presence of packet losses on the satellite radio channels. Moreover, when the satellite receiver is mobile, short and long disruptions due to line of sight obstructions associated with the presence of shadowing can cause further performance deterioration. In this paper, we evaluate the impact of a dis...

2003
Li Guo

An interference channel is a network consisting N senders and N receivers. There exists a oneto-one correspondence between senders and receivers. Each sender only wants to communicate with its corresponding receiver, and each receiver only cares about the information form its corresponding sender. However, each channel interferes the others. So an interference channel has N principal links and ...

The studied region in this research (Alborz province) is structurally located in Alborz poly_orogenic system of northern Iran. The purpose of this research is combining the remote sensing and geology sciences to show fault lineaments by analyzing satellite data in a vast region and also comparison between lineaments layer and recognized faults in geology maps. Firstly, two scenes of Landsat ETM...

ژورنال: بوم شناسی آبزیان 2016

Changes in the color of sea water caused by algal bloom has continuously risen in recent decades. This increase is due to the harmful effects of human activities that allow sea water to change from a normal to an abnormal state. Satellite sensors are the most accessible, cost-effective means of monitoring. They have been allocated to a large number of marine science studies. The MODIS satellite...

A. R. Bahmanzadegan, F. Azarsina, K. Lari, M. R. Fatemi,

Remote sensing has changed modern oceanography by proving synoptic periodic data which can be processed. Since the satellite data are usually too much and nonlinear, in most cases, it is difficult to distinguish the patterns from these images. In fact, SOM (Self-Organizing Maps) model is a type of ANN (Artificial Neural Network) that has the ability to distinguish the efficient patterns from th...

The burnout issue of employees of the satellite staff is one of the most important issues in the management of human resources. Thus, the rate of employees' burnout in the Iranian Offshore Oil Company (Siri Operational Area) and the causes of its occurrence among the employees were discussed in this research Data gathering was done through a standard burnout questionnaire by Maslach and Jackson...

2004
Anton Wernig Michael Bone Andrey Irintchev Ralf Schäfer Michael J. Cullen

Satellite cells are responsible for growth, maintenance and repair of postnatal skeletal muscle. On the search for a specific marker molecule for the identification of satellite cells by light-microscopy, we examined M-cadherin, a Ca-dependent cell adhesion molecule which is present in quiescent as well as activated satellite cells but not in other cell types in skeletal muscle. To determine th...

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