1,724,149 research outputs found
Santa Fe (ATSF) 3463
No full textA photograph print showing Santa Fe (ATSF) 3463, 4-6-4, taking on water at Topeka, KS
Santa Fe (ATSF) 3463
No full textA photograph postcard showing Santa Fe (ATSF) 3463, 4-6-4, at La Junta, C
Isolation of a wide range of minerals from a thermally treated plant: Equisetum arvense, a Mare’s tale
Full text linkSilica is the second most abundant biomineral being exceeded in nature only by biogenic CaCO3. Many land plants (such as rice, cereals, cucumber, etc.) deposit silica in significant amounts to reinforce their tissues and as a systematic response to pathogen attack. One of the most ancient species of living vascular plants, Equisetum arvense is also able to take up and accumulate silica in all parts of the plant. Numerous methods have been developed for elimination of the organic material and/or metal ions present in plant material to isolate biogenic silica. However, depending on the chemical and/or physical treatment applied to branch or stem from Equisetum arvense; other mineral forms such glass-type materials (i.e. CaSiO3), salts (i.e. KCl) or luminescent materials can also be isolated from the plant material. In the current contribution, we show the chemical and/or thermal routes that lead to the formation of a number of different mineral types in addition to biogenic silica
Santa Fe (ATSF) 3463
No full textA photograph postcard showing Santa Fe (ATSF) 3463, 4-6-4, (BLW) class 3460, taking on water, Topeka, KS
Santa Fe (ATSF) 3463
No full textA photograph postcard showing Santa Fe (ATSF) 3463, 4-6-4, (BLW) class 3460, on passenger train No. 24, Topeka, KS
Santa Fe (ATSF) 3463 on "The Chief"
No full textA photograph postcard showing Santa Fe 3463, 4-6-4, on passenger train 19 "The Chief", through Hadley, CO, at dawn, 15 cars, 35 mph. (Griffiths Railway Photos
Block Card 3463 Woodley Road
No full textThis image was produced by the Auditor's Office in Lucas County, Ohio for tax assessment purposes. Associated dates are approximate. Descriptive terms related to this photograph include: Dwelling | 3463 Woodley Road (Toledo, Ohio) | Ranch houses | Trail Acres (Toledo, Ohio) | Westgate Area (Toledo, Ohio) | West Toledo area (Toledo, Ohio
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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