While it is clear that the P/E ratio of the S&P 500 is high from a historical standard, this is not only impacted by P (price), but also by E (earnings). Depressed earnings in the context of a global pandemic can increase the PE ratio and give the impression that P is too high....
Because of the differential compressible ratio, the crystal structures of the corresponding inorganic compounds may be different, resulting in a variety of structure types. For example, the compound A2B(IV)2O7 has a pyrochlore structure, and the maximum rA/rB ratio for its stable structure is ...
dispersal by mixing and diffusion, especially within the mixed layer30,34,43. Biofouling of plastic surfaces, a process that reduces buoyancy of plastics sufficiently to cause them to sink53,54,55, has been shown to be faster for smaller particles due to their high surface-to-volume ratio56...
Boretti et al.1discussed several important considerations in membrane development, including selectivity, permeability, concentration polarization, fouling, chemical and physical stability, economic and environmental cost, and the overall cost-to-benefit ratio. Many simulations32,36,43and experiments64,65,66...
Accelerating the shift towards renewable materials and sustainable processes for printed organic electronic devices is crucial for a green circular economy. Currently, the fabrication of organic devices with competitive performances is linked to toxic pe
through the gap. For an axisymmetric cell operated within the lubrication approximation (gapH≪ substrate radiusR) and in the absence of inertia, slip, surface tension, or compressibility effects, the complex modulus can be derived via the measured normal amplitude ratio (|AR|n= |F/xz|) (...
It only measures the energy conversion ratio and does not reflect the size effect and the capability of trapping mechanical energy. High efficiency does not always mean high power output. An energy-harvesting system with a weak damping effect and a low-frequency excitation always exhibits a high ...
Sector Trailing-12-month downgrade count Trailing-12-month downgrade ratio (%) Current negative bias (%) Historical average negative bias (%) Gap between current and historical average negative bias (%) Negative bias contribution to total potential bond ...
The adult zebrafish is a well-established model for studying heart regeneration, but due to its tissue opaqueness, repair has been primarily assessed using destructive histology, precluding repeated investigations of the same animal. We present a high-resolution, non-invasive in vivo magnetic resonance...
Among the four markers, when adjusted for the influence of other clinical factors in multivariate analysis, the TOP2B/TOP2A ratio was significantly correlated with treatment outcomes; patients with high ratios trended toward longer disease-free survival (HR, 0.24; P=0.002) and overall survival (HR...