BACKGROUND:Cervical cancer is one of the most common and lethal cancers in West Africa.Even though vaccines that protect against the most common Human papillomavirus (HPV) strains, 16 and 18, are currently in use in developed countries, the implementation of these vaccines in developing countries has been painfully slow, considering the pre-eminenc
Spiral wound plastic heat exchangers represent an important class of heat exchangers, with high chemical resistance, low dimensions and reasonable costs.However, their design and optimisation are mainly based on practical experience, whereas comprehensive investigations have not been accomplished yet.In this paper, we present the results of the col
The selection of breeding geese requires the recording of egg production information to correspond to the identity of the breeding geese.However, due to the special physiological characteristics of breeding geese, manual recording in practice can affect the egg-laying performance of breeding geese and can also lead to problems of missing and confus