Meaning Preliminary evidence suggests that children have a lower susceptibility to SARS-CoV-2 infection compared with adults, but the role that children and adolescents play in transmission of this virus remains unclear. Abstract Importance The degree to which children and adolescents are infected by ...
The value of 0.5 was denoted, meaning that only 50% photons were absorbed by the photosystem (i.e., proportion of light reaching to photosystem). PPFD represents the photosynthetic photon flux density, i.e., sum of active photons (4000–7000 A°) striking per unit time on a unit surface...