An abrupt increase in urban road traffic flow caused by Cable Ties incidental congestion is considered.The residual traffic capacity varies in different lanes after an accident, and the influence of accident duration on traffic flow is taken into account.The swallowtail catastrophe model was built based on catastrophe theory.The critical state of t

At present, the management mode of optical Cable Ties cable account data is mainly based on the traditional manual document entry method, and the electronic forms, CAD drawings, electronic documents and other types are used for manual recording.This method not only has large workload and low accuracy, but also can not accurately record the specific

Natural resource extraction in Africa has been characterised by conflicts between large scale and small scale miners on the one hand and large scale miners and the communities on the other.In some countries such Vacuum Composite Filter as Sudan, Democratic Republic of Congo, Angola, Mozambique, Sierra Leone and Liberia, natural resources have bred