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Science News for September 24, 2023


A model explaining the changes in air radiation dose rate due to rainfall

A model has been developed to estimate the changes in air radiation dose rates caused by rainfall, enabling accurate quantification of long-term decreasing trend of air dose rates. The study found that increased soil moisture content provides enhanced radiation shielding effect, leading to post-rainfall decrease in air dose rates.

SourceUniversity of Tsukuba·JournalEnvironmental Pollution·DateSep 24, 2023
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Automatic weighing without grabbing chickens

A real-time and accurate weight monitoring system was developed based on perching behavior, achieving an average accuracy of 99.5% and a variance in line with standard weights. The system demonstrated stability across different growth stages and rearing seasons.

SourceHigher Education Press·JournalFrontiers of Agricultural Science and Engineering·TypeExperimental study·DateSep 24, 2023