نتایج جستجو برای: twelve
تعداد نتایج: 38349 فیلتر نتایج به سال:
Abstract In this academic position paper, we propose the 12 Principles of a novel and more sustainable approach to hydrometallurgy that call “circular hydrometallurgy.” The paper intends set basis for identifying future areas research in field hydrometallurgy, while providing “sustainability” benchmark assessing existing processes technological developments. Circular refers designing energy-eff...
Transfer of phage-related pathogenicity islands of Staphylococcus aureus (SaPI-s) was recently reported to be activated by helper phage dUTPases. This is a novel function for dUTPases otherwise involved in preservation of genomic integrity by sanitizing the dNTP pool. Here we investigated the molecular mechanism of the dUTPase-induced gene expression control using direct techniques. The express...
The linear absolute shrinkage and selection operator(Lasso) method improves the low prediction accuracy and poor interpretation of the ordinary least squares(OLS) estimate through the use of L1 regularization on the regression coefficients. However, the Lasso is not robust to outliers, because the Lasso method minimizes the sum of squared residual errors. Even though the least absolute deviatio...
Patterns of human land use (LU) necessarily transform the land systems that sustain and contain them. Importantly, the impacts of such transformations are not isolated in space and time. LU management decisions that are made at a given geographic unit regularly impact both human and nonhuman well-being beyond the spatiotemporal boundaries of that unit. To superintend the conflicts that arise ou...
Southern California's gateway to international commerce is through major ports in the San Pedro Bay. The University of Southern California is working with local business and other port stakeholders to enable collaborative learning about sustainable business practices. We are using system dynamics-based models for participants to locate leverage points that yield the highest CO2 footprint reduct...
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