A synthesis is made of biological data collected in the last three decades on five volcanic lakes in Central Italy with the aim of evaluating their environmental status by means of biological parameters related to zooplankton, littoral and profundal zoobenthos frequently used to detect water quality changes in lakes.A Course a pied - Femme - Veteme
Abstract Background The out of Africa hypothesis has gained generalized consensus.However, many specific questions remain unsettled.To know whether the two M and N macrohaplogroups that colonized Eurasia were already present in Africa before the exit is puzzling.It has been proposed that the east African clade M1 supports a single origin of haplogr
The underground coal mining in Serbia is faced with numerous problems and difficulties for quite a long time.The outputs decrease, the equipment and technologies are obsolete, the investments Wooden Bar in development projects are minimal, while the business economy and wages are maintained primarily due to a significant financial help of the Gover
In order to reduce the occurrence of drilling accidents in soft Steel coal seams, this paper analyzes the causes of near-horizontal hole drilling under the coal mine and the formation process of jamming, and establishes a drilling mechanical model for each stage.Through the analysis of the main influencing factors of the sticking drilling, it is co
Country Boots Objective.Systematize the experience and identify challenges and lessons learned in the implementation of an initiative for integrated serosurveillance of communicable diseases using a multiplex bead assay in countries of the Americas.Methods.Documents produced in the initiative were compiled and reviewed.These included concept notes,