Results 251 to 260 of about 108,055 (299)

Digestive Tract Structure and Seasonal Dynamics of Gut Microbiota in <i>Hypomesus nipponensis</i> from Bosten Lake. [PDF]

Animals (Basel)
Fu X, Xiao Q, Ma W, Li S, Wang Z, Deng K, Zhang J.   +6 more
europepmc   +1 more source

In Vitro Biological Evaluation of Titanium Implants Anodized With Aqueous Extract of <i>Psidium guajava</i> and Conventional Electrolytes. [PDF]

Int J Biomater
Dias FG, Prado Rodrigues GZ, Frozza IS, da Silva CHA, Morisso FDP, Oliveira CT, Gehlen G, Ziulkoski AL.   +7 more
europepmc   +1 more source

Transient analysis of gaseous electron‐ion recombination in the environmental scanning electron microscope

Journal of Microscopy, 2006
SummaryMost of the work carried out in relation to contrast mechanisms and signal formation in an environmental scanning electron microscope has yet to consider the time dependent aspects of image generation at a quantitative level. This paper quantitatively describes gaseous electron‐ion recombination (also known as ‘signal scavenging’) in an ...
S W, Morgan, M R, Phillips
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Optimum beam transfer in the environmental scanning electron microscope

Journal of Microscopy, 2009
SummaryThe gas density of argon along the axis of a pressure‐limiting aperture in an environmental scanning electron microscope is found by the direct simulation Monte Carlo method. The aperture is made on a thin material plate, producing the sharpest possible transition region between the specimen chamber and the differentially pumped region ...
G D Danilatos
exaly   +3 more sources

Minimizing sample evaporation in the environmental scanning electron microscope

Journal of Microscopy, 1994
SummaryThe ElectroScan environmental scanning electron microscope (ESEM) enables wet samples to be observed by eliminating air but allowing water vapour into the sample chamber. However, evaporation from, and condensation on, the sample may occur during the pumpdown sequence used to reach this state, which means that the sample may not be in its ...
Ruth E Cameron, A M Donald
exaly   +2 more sources

Transmission environmental scanning electron microscope with scintillation gaseous detection device

Ultramicroscopy, 2015
A transmission environmental scanning electron microscope with use of a scintillation gaseous detection device has been implemented. This corresponds to a transmission scanning electron microscope but with addition of a gaseous environment acting both as environmental and detection medium.
G D Danilatos
exaly   +3 more sources

Novel Method for Controlled Wetting of Materials in the Environmental Scanning Electron Microscope

Microscopy and Microanalysis, 2013
AbstractEnvironmental scanning electron microscopy has been extensively used for studying the wetting properties of different materials. For some types of investigation, however, the traditional ways of conducting in situ dynamic wetting experiments do not offer sufficient control over the wetting process. Here, we present a novel method for controlled
Anna, Jansson, Alexandra, Nafari, Anke, Sanz-Velasco, Krister, Svensson, Stefan, Gustafsson, Anne-Marie, Hermansson, Eva, Olsson   +6 more
openaire   +3 more sources

Signal components in the environmental scanning electron microscope

Journal of Microscopy, 1999
We demonstrate that the gas‐amplified secondary electron signal obtained in the environmental scanning electron microscope has both desired and spurious components. In order to isolate the contributions of backscattered and secondary electrons, two sets of samples were examined.
, Fletcher, , Thiel, , Donald
openaire   +2 more sources