Bond behavior between corroded steel bar and concrete under reciprocating loading history of beam type specimens

2021 ◽  
Vol 247 ◽  
pp. 113112
Author(s):  
Huaishuai Shang ◽  
Xin Chai
Keyword(s):  
Loading History ◽  
Type Specimens ◽  
Bond Behavior ◽  
Steel Bar ◽  
History Of ◽  
Beam Type

Assessment of loading history of compartments in the knee using bone SPECT/CT: A study combining alignment and 99mTc-HDP tracer uptake/distribution patterns

2012 ◽  
Vol 31 (2) ◽  
pp. 268-274 ◽  
Author(s):  
Michael T. Hirschmann ◽  
Stephan Schön ◽  
Faik K. Afifi ◽  
Felix Amsler ◽  
Helmut Rasch ◽  
...  
Keyword(s):  
Distribution Patterns ◽  
Tracer Uptake ◽  
Loading History ◽  
History Of ◽  
Bone Spect

The loading history of trace metals and nutrients in Altata-Ensenada del Pabellón, lagoon complex, northwestern Mexico

2003 ◽  
Vol 69 (1-2) ◽  
pp. 129-143 ◽  
Author(s):  
A.C. Ruiz-Fernández ◽  
F. Páez-Osuna ◽  
M. Soto-Jiménez ◽  
C. Hillaire-Marcel ◽  
B. Ghaleb
Keyword(s):  
Trace Metals ◽  
Loading History ◽  
History Of ◽  
Northwestern Mexico

scholarly journals The taxonomic history of Indo-Papuan groundsnakes, genus Stegonotus Duméril et al., 1854 (Colubridae), with some taxonomic revisions and the designation of a neotype for S. parvus (Meyer, 1874)

Zootaxa ◽  
2018 ◽  
Vol 4512 (1) ◽  
pp. 1
Author(s):  
CHRISTINE M. KAISER ◽  
HINRICH KAISER ◽  
MARK O’SHEA
Keyword(s):  
New Guinea ◽  
Molecular Data ◽  
The Philippines ◽  
Morphological Data ◽  
Valid Species ◽  
Museum Specimens ◽  
Type Specimens ◽  
History Of ◽  
Original Species ◽  
Species Specific

Since its conceptualization in 1854, 29 species of the colubrid genus Stegonotus have been recognized or described, of which 15 (admiraltiensis, batjanensis, borneensis, cucullatus, derooijae, diehli, florensis, guentheri, iridis, heterurus, melanolabiatus, modestus, muelleri, parvus, poechi) are still considered valid today. Original species descriptions for the members of this genus were published in Dutch, English, French, German, and Italian and, perhaps as a consequence of these polyglot origins, there has been a considerable amount of confusion over which species names should be applied to which populations of Stegonotus throughout its range across Borneo, the Philippines, Wallacea, New Guinea, Australia, and associated archipelagos. In addition, the terminology used to notate characteristics in the descriptions of these forms was not uniform and may have added to the taxonomic confusion. In this paper, we trace in detail the history of the type specimens, the species, and the synonyms currently associated with the genus Stegonotus and provide a basic, species-specific listing of their characteristics, derived from our examination of over 1500 museum specimens. Based on our data, we are able to limit the distribution of S. modestus to the islands of Ambon, Buru, and Seram in the central Moluccas of Indonesian Wallacea. We correct the type locality of S. cucullatus to the Manokwari area on the Bird’s Head Peninsula of West Papua, Indonesian New Guinea and designate a neotype for S. parvus, a species likely to be a regional endemic in the Schouten Archipelago of Cenderawasih Bay (formerly Geelvink Bay), Indonesian New Guinea. We unequivocally identify and explain the problematic localities of the type specimens of S. muelleri and Lycodon muelleri, which currently reside in the same specimen jar. We remove L. aruensis and L. lividum from the synonymy of S. modestus and recognize them as S. aruensis n. comb. and S. lividus n. comb., respectively. We remove S. keyensis and Zamenophis australis from the synonymy of S. cucullatus and recognize them as S. keyensis n. comb. and S. australis n. comb., respectively. We further remove S. reticulatus from the synonymy of S. cucullatus, S. dorsalis from the synonymy of S. diehli, and S. sutteri from the synonymy of S. florensis. We designate lectotypes for S. guentheri, S. heterurus, S. lividus, and S. reticulatus. Lastly, we introduce S. poechi, a valid species not mentioned in the scientific literature since its description in 1924. This brings the diversity in the genus Stegonotus to 22 species. We also caution that in a complex group of organisms like Stegonotus any rush to taxonomic judgment on the basis of molecular and incomplete morphological data sets may perpetuate errors and introduce incongruities. Only through the careful work of connecting type material with museum specimens and molecular data can the taxonomy and nomenclature of complex taxa be stabilized. 

scholarly journals Assessment of in vivo loading history of the patellofemoral joint: a study combining patellar position, tilt, alignment and bone SPECT/CT

2013 ◽  
Vol 22 (12) ◽  
pp. 3039-3046 ◽  
Author(s):  
Stephan N. Schön ◽  
Faik K. Afifi ◽  
Helmut Rasch ◽  
Felix Amsler ◽  
Niklaus F. Friederich ◽  
...  
Keyword(s):  
Patellofemoral Joint ◽  
Loading History ◽  
Patellar Position ◽  
History Of ◽  
Bone Spect ◽  
In Vivo Loading

scholarly journals Arcyria versicolor of western mountains, U.S.A. (Myxomycetes: Trichiales: Trichiaceae): a morphological and taxonomic study with observations of nivicolous species

2020 ◽  
Vol 14 (2) ◽  
pp. 435-459
Author(s):  
Harold W. Keller ◽  
Relf L. Price ◽  
Billy G. Stone ◽  
Edward D. Forrester
Keyword(s):  
New Mexico ◽  
Fruiting Body ◽  
Environmental Parameters ◽  
Valid Species ◽  
Ecological Group ◽  
Fruiting Bodies ◽  
Fruiting Body Formation ◽  
Type Specimens ◽  
Ongoing Research ◽  
History Of

Arcyria versicolor (Trichiales: Trichiaceae) is a distinct myxomycete species described by William Phillips in 1877. The genus Arcyria dates back to Linnaeus in 1753 through the species A. denudata. Arcyria sporangia are brightly colored red, yellow, grey or white, mostly stalked, often in large groups easily seen with the naked eye. Approximately 54 species are known, many are common, and distributed worldwide. Collectors often encounter these colorful species on decaying logs as clusters of many sporangia often covering extensive areas. Arcyria versicolor, collected in the Valles Caldera National Preserve located in the Jemez Mountains of north central New Mexico, is a new record for the state. The nomenclatural history of this species is reviewed and the justification for selection of the species name versicolor is discussed. Arcyria versicolor is accepted as the valid species name and A. vitellina a synonym after examination of type specimens. Environmental parameters for coloration are discussed in general for fruiting bodies of Arcyria and more specifically for nivicolous snowbank species. Transitional stages of plasmodial color to mature fruiting body formation are described for Arcyria versicolor. More than 140 specimens of Arcyria versicolor fruiting bodies were examined with light microscopy and in part illustrated with multifocal computer stacked imaging. Higher magnifications were highlighted using scanning electron microscopy. A more complete and accurate species description is provided for Arcyria versicolor. Differences of fruiting body morphology including habit, color, dehiscence, peridial inner and outer surface features, capillitial ornamentation and size, spore color, size, and ornamentation, and stalk spore-like bodies are described and illustrated. Observation of type specimens from the type locality is illustrated, discussed, and nomenclatural evaluation given for the name selected. Mountain myxomycetes are reviewed based on the observations of T.H. Macbride and his early 1914 paper published in Mycologia. Collection data is presented that compares the dark-spored and light spored nivicolous myxomycetes in the French Alps. The history of renown collectors of nivicolous myxomycetes in western mountains of U.S.A. documents the discovery and study of this special ecological group of myxomycetes. This current paper is the first in a series from an ongoing research project entitled Myxomycetes of New Mexico.

Historical review, catalog of type specimens and online database of the ichthyology collection of the Instituto de Ciencias Naturales of the Universidad Nacional de Colombia (ICN-MHN)

Zootaxa ◽  
2018 ◽  
Vol 4478 (1) ◽  
pp. 1
Author(s):  
JOSÉ IVAN MOJICA ◽  
HENRY D. AGUDELO-ZAMORA
Keyword(s):  
High Resolution ◽  
Historical Review ◽  
Online Database ◽  
Type Specimens ◽  
History Of ◽  
First Time

For the first time, the catalog of type specimens of ICN-MHN is presented with high resolution photographs. The catalog lists 87 species in 161 lots and includes 41 holotypes, 3 neotypes, and 117 lots of paratypes. Some doubts remain about type specimens of some species described by Miles and Dahl that were supposedly deposited at ICN-MHN. The history of the collection is reconstructed and valuable specimens once considered lost or destroyed have been rediscovered. The botanical and zoological collections of the ICN can be consulted online (http://www.biovirtual.unal.edu.co). 

Bond Behavior of Reinforcing Steel Bar and Geopolymer Concrete

2020 ◽  
Vol 32 (7) ◽  
pp. 04020167
Author(s):  
Rakesh Paswan ◽  
Md. Reyazur Rahman ◽  
S. K. Singh ◽  
B. Singh
Keyword(s):  
Geopolymer Concrete ◽  
Reinforcing Steel ◽  
Bond Behavior ◽  
Steel Bar
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