原地起跳时，先屈腿下蹲，然后突然蹬地。从开始蹬地到离地是加速过程（视为匀加速）加速过程中重心上升的距离称为“加速距离”。离地后重心继续上升，在此过程中重心上升的最大距离称为“竖直高度”。现有下列数据：人原地上跳的“加速距离”，“竖直高度”；跳蚤原地上跳的“加速距离”，“竖直高度”。假想...
An overview on how the pea fractions in this study relate to the previously studied PPI in the context of WPI substitution (1:3 ratio) is shown in Table 3. Although the tan δ values – a measure for the solid-like behaviour of the gels – show small differences between pea fractions ...
Your whole process should be organized to optimize time to success.This chapter shows you how to select your first AI project. It also teaches you how to check if the research question that your AI project uses correctly reflects the business concerns it’s supposed to address. Finally, it ...
Regarding deadwood, impacts on NEP relate to the transfer of C from living to dead trees and decomposition towards soil organic matter, thereby releasing CO2. Deadwood storage is therefore determined by the rate of tree mortality and decomposition [152,154]. An increase in deadwood quantity leads...