Results 291 to 300 of about 330,203 (416)

Reaction kinetics and molecular characterization of the compounds formed by photosensitized degradation of the plastic additive bisphenol A in the atmospheric aqueous phase. [PDF]

open access: yesSci Rep
Wang Y   +12 more
europepmc   +1 more source

Data‐driven analysis of the spatial dependence of grouting efficiency during tunnel excavation

open access: yesDeep Underground Science and Engineering, EarlyView.
Prediction of grouting efficiency using machine learning is enhanced by adopting a training strategy that accounts for the grouting process across multiple rounds. Abstract Grouting with water–cement mixtures is the most widely used and cost‐effective method for managing excess water inflow during tunnel construction.
Huaxin Liu, Xunchang Fei, Wei Wu
wiley   +1 more source

Hydrocarbon Generation Characteristics and Geological Significance of Deep Organic‐Rich Shales in the Gulong Fault Depression, Songliao Basin, Northeastern China

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT To evaluate the hydrocarbon generation characteristics and geological significance of deep‐source rocks in the Gulong Sag of the Songliao Basin and to identify the next exploration targets in the study area, this study focuses on the organic‐rich mudstones and shales from the deep formations of the Gulong Sag.
Bo Hu   +6 more
wiley   +1 more source

Reply to Grossman et al.: The case for a time-varying oxygen isotopic composition of seawater and cooler Ordovician oceans. [PDF]

open access: yesProc Natl Acad Sci U S A
Thiagarajan N   +6 more
europepmc   +1 more source

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