The high-rise frame structure has become more and more widespread, like its damage from the complication of the environment. The traditional method of damage de
Carbon nanotubes (CNTs) and graphene have attracted great attention since decades ago because of their interesting structure and properties and important applic
The transmission performance of cycloid ball planetary transmission(CBPT) is affected by cycloid tooth undercutting directly, and the design of CBPT can be opti
This paper focuses on climate comfort degree evaluated from relationships between spatial characteristics and behaviors of a winter city.It is demonstrated that
Local mate competition(LMC) was firstly used to explain extra-ordinary female-biased sex ratios. However, some observations have found that the sex ratios of so