Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Richard Heck"'
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 39, Iss 2, Pp 448-457 (2015)
Analysis of the soil pore system represents an important way of characterizing soil structure. Properties such as the shape and number of pores can be determined through soil pore evaluations. This study presents a three-dimensional (3D) characteriza
Externí odkaz:
https://doaj.org/article/35622784f6c34ad8b684c923f00bb8d9
Autor:
Fernando Cartaxo Rolim Neto, Carlos Ernesto G.R Schaefer, Elpidio Inácio Fernandes Filho, Marcelo Metri Corrêa, Liovando Marciano da Costa, Roberto da Boa Viagem Parahyba, Sergio Monthezuma Santoianni Guerra, Richard Heck
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 33, Iss 6, Pp 1795-1809 (2009)
Pouco se conhece sobre a diferenciação pedogenética no Alto Paranaíba (MG), quando são comparados materiais de composição química tão variada, como tufitos, rochas ígneas alcalinas e ultramáficas e carbonatitos, todos de ocorrência na reg
Externí odkaz:
https://doaj.org/article/b4ef1f37b7b946898716c8262bbcf059
Autor:
Alexander George, Richard Heck
A German philosopher-mathematician, Gottlob Frege was primarily interested in understanding both the nature of mathematical truths and the means whereby they are ultimately to be justified. In general, he held that what justifies mathematical stateme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65c3bdb2a0a3db2d0326380ba593526b
https://doi.org/10.4324/9780415249126-x041-1
https://doi.org/10.4324/9780415249126-x041-1
Autor:
Annette M. Amakali, Ali Halajian, Margit R. Wilhelm, Martin Tjipute, Richard Heckmann, Wilmien Luus-Powell
Publikováno v:
South African Journal of Science, Vol 118, Iss 1/2 (2022)
The present study reports five metazoan parasites recorded from silver kob (Argyrosomus inodorus). Five fish were collected monthly (n=55) for 11 months in 2017–2018 (excluding July 2017) using conventional angling gear in Toscanini, Mile 108 and H
Externí odkaz:
https://doaj.org/article/df2902b0ff01451baee10f68b4381a56
Publikováno v:
Tetrahedron Letters. 5:2033-2036
The reaction of trityl bromide with dimethylketene dimethylacetal yields a quinoidal ester derivative, resulting from reaction of the trityl cation at a para position. Treatment of this ester with methanolic sodium methoxide converts it to an aromati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce6bf391d75174002088a9f52cc1546d
https://doi.org/10.1016/s0040-4039(00)75137-9
https://doi.org/10.1016/s0040-4039(00)75137-9
Publikováno v:
Iranian Journal of Parasitology, Vol 9, Iss 2 (2014)
Background: Main objective of this study was to investigate the invasive activity of the liver fluke, Pseudamphistomom truncatum against the Caspian seal (Pusa caspica) and was exemplified at the gross, light microscopy (LM) and electron microscopy (
Externí odkaz:
https://doaj.org/article/9dc404dbd4d844388a61f91ecae9b7a1
Autor:
Richard Heck
Publikováno v:
Science. 182:49-50
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c7f8bb4acbc75132bee75193151c983
https://doi.org/10.1126/science.182.4107.49-b
https://doi.org/10.1126/science.182.4107.49-b
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Akademický článek
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