With the present state of the direct current (DC) distribution market, securing the safety of the DC distribution system is emerging as a major issue.Like AC distribution systems, DC switches and circuit breakers are one of the main means to ensure safety.However, in the DC system, since there is no current zero point in the load current, the pheno
Purpose.People with stroke living in the community have an increased prevalence of depression and lower quality of life than healthy older adults.This cross-sectional observational study investigated whether participation in regular exercise was associated with improved mood and quality of life.Methods.We recruited three groups of community dwellin
Background Primary biodiversity records (PBR) are essential in many areas of scientific research as they document the biodiversity through time and space.However, concerns about PBR quality and fitness-for-use have grown, especially as derived from taxonomical, geographical and sampling effort biases.Nonetheless, the temporal bias stemming from dat
As traditional printing industry is facing here fierce competition in the market and logistics becomes a new sources of growth, the traditional printing enterprises want to build and improve their logistics system.So in this paper, the author has designed the logistics planning system based on the Baidu map development kit.It has iphone 13 pro max