Results 101 to 110 of about 306,490 (125)

Soil investigations: the chemical composition of soils; the mechanical composition of soils; the available plant food of soils; characteristic features of Minnesota soils and conservation of the fertility of the soil

open access: yes, 1899
This archival publication may not reflect current scientific knowledge or recommendations. Current information available from University of Minnesota Agricultural Experiment Station: http://www.maes.umn.edu/Snyder, Harry; University of Minnesota ...
Snyder, Harry   +1 more
core  

Prevalence and characteristics of gallstone disease in an Iranian population: a study on cadavers [PDF]

open access: yes
BACKGROUND: The prevalence of gallstones is low in Asians. In Iran, many factors influence the prevalence of this disease. The aim of this study was to determine the prevalence of gallbladder stones and their chemical characteristics in a population by ...
شیخ وطن, مهرداد   +3 more
core  

Impact of Biological Treatment Process on Chemical Composition of Wastewater and Association with Microbial Communities

open access: yes
Treated wastewater contains residual bioactivity, which is a growing concern for both environmental and human health. Bioactive chemicals can be removed through advanced treatment technologies, which are cost prohibitive for many municipalities.
Hernandez, Analyssa Esperanza
core  

Adaptability and Comparative Biology of Fall Armyworm on Maize and Perennial Forage Species and Relation with Chemical-Bromatological Composition

Neotropical Entomology, 2020
This study compared the development of fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), on forage species of different genera (Arachis, Axonopus, and Cynodon) in relation to maize (preferred host) as well as its adaptability on these forage species, which are the main cultivated forages in southern Brazil.
L P, Ribeiro   +5 more
openaire   +2 more sources

Tracking Daily Concentrations of PM2.5 Chemical Composition in China since 2000

Environmental Science & Technology, 2022
Shigan Liu   +2 more
exaly  

Seasonal variation in the chemical composition of two tropical seaweeds

Bioresource Technology, 2006
E Marinho-Soriano
exaly  

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