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End-groups were identified based on literature compounds of similar structure55,56. Calculation of the Mn from the end-group analysis is based on equation (1), which is described in the literature57. $${n}_{x}=\frac{{a}_{x}{m}_{y}{n}_{y}}{{a}_{y}{m}_{x}}$$ (1) ...
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For preventing the spread of epidemics such as the coronavirus disease COVID-19, social distancing and the isolation of infected persons are crucial. However, existing reaction-diffusion equations for epidemic spreading are incapable of describing these
56 requires performing a memory-intensive matrix inversion operation. Indeed, this matrix inversion operation is sufficiently expensive that, in our experience, AI-Hilbert was unable to perform scientific discovery tasks with more than n = 15 variables and a constraint on the degree of the ...
Zero liquid discharge (ZLD) and minimal liquid discharge (MLD) are brine management approaches that aim to reduce the environmental impacts of brine discharge and recover water for reuse. ZLD maximizes water recovery and avoids the needs for brine dispos
For nearly 450 million years, mycorrhizal fungi have constructed networks to collect and trade nutrient resources with plant roots1,2. Owing to their dependence on host-derived carbon, these fungi face conflicting trade-offs in building networks that
Elongin is a heterotrimeric elongation factor for RNA polymerase (Pol) II transcription that is conserved among metazoa. Here, we report three cryo-EM structures of human Elongin bound to transcribing Pol II. The structures show that Elongin subunit ELOA
After the earthquake, at times t > tη, the dashpots of the layer U are relaxed and have dissipated some elastic stress (the ku∇2ui term is exactly compensated by −kuzi). In this phase the ui’s are decoupled \((\eta {\dot{z}}_{i}=0)\) and Eq. (2) becomes...