Abstract Background The replication rate (or fitness) between viral variants has been investigated in vivo and in vitro for human immunodeficiency virus (HIV).HIV fitness plays an important role in the development and 2 Layers Wood Sign persistence of drug resistance.The accurate estimation of viral fitness relies on complicated computations based
This study developed a simple method to distinguish the animal source of chondroitin sulfate (CS) through systematic investigations and comparisons of the terahertz (THz) spectral characteristics of CS with different animal sources.CS from shark had the lowest THz absorption coefficient, followed by that from cattle, with CS from 2 Layers Wood Sign
The article presents the origin and cultivation history of sorghum (Sorghum spp.), its biology, requirements, cultivation techniques, and utilization.Sorghum is a cereal of the Poaceae.It is one of the most important crop plants grown in warmer parts of the world.Sorghum comes from Africa and therefore has very high heat requirements.In comparison
This Organic study investigates the pragmatic transfer in English request realizations made by EFL learners, i.e.the proficient learners.The subjects were students of an English Study Program who obtained TOEFL-like scores of at least 450.The data were collected by means of DCT-questionnaires and Role-plays.The results show that the subjects realiz