Results 231 to 240 of about 2,974,134 (411)

Susan Dimock, Pioneering 19th Century American Surgeon/Physician. [PDF]

open access: yesAnn Surg Open, 2022
Petro JA, Wilson S, Catalano M.
europepmc   +1 more source

Rethinking Chlorine: Essential Chemical or Replaceable Risk?

open access: yesChemSusChem, Accepted Article.
This review critically examines the dual nature of chlorine as both an indispensable base chemical and a potential risk. Chlorine and its by‐product hydrogen chloride play essential roles in the production of pharmaceuticals, plastics, agrochemicals, and disinfectants.
Johannes Schwan   +6 more
wiley   +1 more source

19th century religious painting as a research object in art history. Research problems and postulates

open access: yesSacrum et Decorum, 2010
Religious art of the 19th century did not arouse the interest of art historians until relatively late. This is why there are still numerous gaps in the research on the subject. In addition, studies of 19th-century religious art are not always accompanied
Joanna Lubos-Kozieł
doaj  

Chemical and Mechanical Characterization of the Alternative Kriab-Mirror Tesserae for Restoration of 18th to 19th-Century Mosaics (Thailand). [PDF]

open access: yesMaterials (Basel), 2023
Ounjaijom T   +13 more
europepmc   +1 more source

19th-Century Geometry [PDF]

open access: yesThe Mathematical Intelligencer, 2017
openaire   +2 more sources

Rainfall over the African continent from the 19th through the 21st century

open access: yesGlobal and Planetary Change, 2017
S. Nicholson, C. Funk, A. Fink
semanticscholar   +1 more source

Transforming a Historical Chemical Synthetic Route for Vanillin Starting from Renewable Eugenol to a Cell‐Free Bi‐Enzymatic Cascade

open access: yesChemSusChem, EarlyView.
An artificial enzymatic cascade to access natural vanillin from eugenol/clove oil was developed by revisiting the very first vanillin synthetic process from 19th century. The biosynthetic route consists of just two biocatalysts used as cell‐free preparation and molecular oxygen as oxidizing agent, outperforming also the natural microbial pathway which ...
Elisa Lanfranchi   +12 more
wiley   +1 more source

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