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A simple and accurate method of determining metalaxyl and cymoxanil in pepper and soil was developed by ultra-performance liquid chromatography–photodiode array detection. The limits of detection were 0.015 mg/kg for metalaxyl and 0.003 mg/kg for cymoxanil. The limits of quantification were 0.05 mg/kg for metalaxyl in pepper and soil as well as 0.01 mg/kg for cymoxanil in pepper and soil. Recoveries...
Rainfall is usually the major factor causing the slope failure of unsaturated soils which is due to permeation of rainwater causing the increase of degree of saturation of soils and decrease of shear strength. This paper considers increase of the degree of saturation of soils due to rainfall. Plaxis finite element analysis software is used to analysis the stability of unsaturated soil slopes of different...
Future lunar exploration requires rovers to understand lunar environment and terrain characteristic. In order to assess the traction traversability of a lunar rover, it is necessary to make terrain parameter estimation with lunar rover's traveling information. The online estimation methods of terrain parameter attract increasing attention because of its rapidness and effectiveness. Taking full account...
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