With the purpose of reinforcing correlation analysis of risk assessment threat factors, a dynamic assessment method of safety risks based on particle filtering is proposed, leather baton holder which takes threat analysis as the core.Based on the risk assessment standards, the method selects threat indicates, applies a particle filtering algorithm

Recently published astacological studies substantially improved available data on distribution of crayfish in various European regions.At the same time, spread of invasive species has been recorded, additional non-indigenous species became established in various countries, and losses of populations of native species due to crayfish plague and other

Mound breakwaters with significant overtopping rates in depth-limited conditions are common in practice due to social concern about the visual impact of coastal structures and sea level rise due accles and shelvoke to climatic change.For overtopped mound breakwaters, the highest waves pass over the crest producing armor damage, not only to the fron

For the past two millennia the Holy Land was under the yoke of successive invaders and oppressors, not ezall fly spray a fertile ground for growth of historiographic traditions.Consequently, earthquake cataloguers had to rely largely on chronicles and texts written at distant administrative and cultural centers of the day, where earthquake destruct