The paper presents an extensive study aimed to determine the applicability of demountable Bailey bridge (BB) system on construction sites or in other temporary conditions while meeting regulations for design and assessment steel bridges. analysis is focused whether what extent BB with spans between 12 36 m usable on-site freight transport conventional lorries a total weight up 22–28 tons. At sa...

Based on the situation of Guiyang’s water resources, society, economy, ecology, etc., a comprehensive evaluation index system resources carrying capacity is established by selecting appropriate indexes. analytic hierarchy process (AHP) and entropy method, an model constructed. The results showed that value in Guiyang City increased nearly 53% from 2009 to 2018, regulation control force pressure...

Pongo abelii is an endangered orangutan species. The reduction of can be caused by the removal or loss orangutans from population and habitat loss. In general, research on dynamics with changing carrying capacity rarely done it simulated in this study. We adopted Verhulst logistic model to abelii. This study aimed see effect increasing From results study, concluded that for areas other than Tri...