The J-TEXT Tokamak device has the operation ability of the high field side horizontal divertor configuration. Under this divertor configuration, plasma equilibrium is unstable in the horizontal direction. This work studies the performance of the horizontal displacement control system to the...

Soil extracellular enzymatic stoichiometry, the ratio of soil enzyme activities related to the acquisition of nutrients such as carbon (C), nitrogen (N), and phosphorus (P), which can reflect the demand for resources by microorganisms. However, how cover crop and chemical fertilizer shift...

Firms that are more central invest more in equilibrium. Central firms are exposed to larger idiosyncratic shocks that propagate in the production network. Their incentive to engage in precautionary saving is larger, leading to larger investment. In the data, I find support for this prediction,...

Underweight and obesity are associated with adverse health outcomes throughout the life course. We estimated the individual and combined prevalence of underweight or thinness and obesity, and their changes, from 1990 to 2022 for adults and school-aged children and adolescents in 200 countries...