The Community-Group-Buying Points (CGBPs) flourished during COVID-19, safeguarding the daily lives of community residents in community lockdowns, and conti
[Forging Ahead] Two Major 2030 Scientific Innovation Projects Led by The Second Xiangya Hospital Officially Launched2025.01.08 National Emergency Medical Rescue Team of The Second Xiangya Hospital under Central South University Successfully Completes Join2025.01.03...
a A cross section of the graft. b A best- fitting ellipse of the cross-section was analyzed using image J Full size image Statistical analysis Data are presented as mean ± standard deviations, and the significance level was set at P = 0.05. Pearson’s correlation coefficient was ...
Kipchogebroke the two-hour barrierin Vienna in 2019 when he ran 1:59:40 but it was not officially considered the world record. He was running in an event that did not conform to regulations because it was tailored around his time, with groups of pacemakers ...
InSight landed near the center of the landing ellipse (130 km by 27 km)2at 4.502°N, 135.623°E at an elevation of −2613.43 m (Figs.2and3) in the Mars Orbiter Laser Altimeter, MOLA cartographic grid as imaged by the High-Resolution Imaging Science Experiment (HiRISE)25(see ...
Forest growth is defined as the size of a tree or a stand produced within a certain period [4]. Forest growth and yield research has provided forest managers with an abundance of tools for simulating stand dynamics [5]. This research was begun in the 1850s in Central Europe when the basi...
Finally, using the delineated trees and the CHM, we provide an inventory of the trees in the mangrove forest with their specific height, crown size and crown shape as well as area cover and height distribution values for the other tree classes. Figure 1. From airborne images to a detailed ...
of the number of vertices contained in the ellipse,and obtains a formula of limit about the number of vertices and the square of short semi-axis of the ellipse.It is proved that the value of limit is connected with the area of the corresponding central polygon.The algorithm and the formula...
“Behind a gravel bar, a dense grove of tamarisk has turned the color of ripe peaches. An ellipse of pale rose sand lines the inside of a river bend of such beauty, you could set yourself on fire with the rapture of that curve. In it lies a kind of music in stone that might cure...
5. The Shape of the Earth. —Men who have in different ways made careful measurements of the shape of the earth tell us that it is an oblate spheroid (Fig. 6), that is, a sphere which is somewhat flattened at two opposite points. An ordinary orange has this shape. The earth has be...