نتایج جستجو برای: global average
تعداد نتایج: 804789 فیلتر نتایج به سال:
In this study, simple and multiple regression models were developed to estimate the monthly average daily global solar radiation in Lawra, Ghana using ground measurement of horizontal irradiance (Nov 2020–May 2022) typical meteorological year (TMY) data (Jan 2017–Dec 2019). Various predictor variables such as sunshine ratio, minimum relative humidity maximum temperature etc. correlated from TMY...
most scientists believe that the phenomenon of global warming occurred, however, in the case of the occurrence of this phenomenon by some environmental scientists have raised doubts. they are questioning global warming by arguing that the temperature recorded at the weather stations cannot be representative of the occurrence of the temperature rise. because with the passage of time and the incr...
A neural network-based object detection algorithm has the advantages of high accuracy and end-to-end processing, it been widely used in synthetic aperture radar (SAR) ship detection. However, multi-scale variation targets, complex background near-shore scenes, dense arrangement some ships make difficult to improve accuracy. To solve above problem, this paper, a spatial cross-scale attention net...
Background and Aim: One of the perennial questions for hospitals and insurance organizations are the real cost of g lobal surgery. The aim of this study was to compare the cost of global surgery bills with approved tariffs in hospitals affiliated to Tehran University of Medical Sciences Medical Sciences . Materials and Methods: This was a cross – sectional study . The study population included ...
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