Results 121 to 130 of about 7,533 (269)

Permo-Triassic fossil woods from the South African Karoo Basin [PDF]

open access: yes, 1999
The Karoo Basin extends over more than half of the South African land surface and incorporates sediments deposited over a period of more than 100 million years, from the Upper Carboniferous to the Lower Jurassic.
Bamford, Marion K
core  

Ultrastructural characterization (morphological and topochemical) of wood pulp fibres [PDF]

open access: yes, 2007
Different electron microscopy techniques including SEM (scanning electron microscopy), FE-SEM (field emission-scanning electron microscopy), TEM (transmission electron microscopy) and Immuno-gold TEM (immuno-gold transmission electron microscopy) were ...
Fernando, Dinesh
core  

A Comparative Anatomical Study on Two Endemic Sempervivum taxa (Crassulaceae) in Türkiye

open access: yesJournal of Advanced Research in Natural and Applied Sciences
This paper comparatively examines the anatomical features of Sempervivum brevipilum and Sempervivum gillianiae using cross-sections from roots, stems, rosette leaves, sepals, and petals, alongside surface sections from rosette leaves, sepals, and petals.
Nezahat Kandemir, Tuğba Şahin
doaj   +1 more source

Studies on the Cell Wall Structure and on the Mechanical Properties of Norway Spruce [PDF]

open access: yes, 2007
The structure and the mechanical properties of wood of Norway spruce (Picea abies [L.] Karst.) were studied using small samples from Finland and Sweden. X-ray diffraction (XRD) was used to determine the orientation of cellulose microfibrils (microfibril ...
Peura, Marko
core  

The Orientation and Localization of Cortical Microtubules in Differentiating Conifer Tracheids during Cell Expansion [PDF]

open access: bronze, 1997
Ryo Funada   +5 more
openalex   +1 more source

Application of transmission electron microscopy and UV-microspectrophotometry for detection of lignin in cell wall of conifers [PDF]

open access: yes, 2017
Kalijev permanganat je kot reagent v transmisijski elektronski mikroskopiji (TEM) zelo uporaben za ugotavljanje prisotnosti lignina v različnih morfoloških področjih lesa.
Gričar, Jožica, Čufar, Katarina
core  

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